Siemens SG8158-00 manuale d’uso

ISGS Intelligent SwitchGear System Operator s Manualfirmware version V3 Manual No. SG8158-00 TM isv3o_1.bk : isv3o_fc.frm Page 1 Wed nesday, August 7, 1996 10:51 AM[...]

IMPORT ANT The information contained her ein is general in nature and not intended for specific application purposes. It does not relieve the us er of responsibility to use sound practices in application, installation , operation, and maintenance of the equipment purchased. Siemens r eserves the right to make changes at any time without notice or o[...]

Siemens Energy & Automation, Inc. T able of Contents Intr oduction Installation User Interface Har dwar e Configuration Pr otective Function Configuration Contr ol & Communications Data Acquisition ISGS Wisdom Softwar e T rip Curves & Equations Metering Menu Structur e Acceptance T est Pr ocedur es Schematics Settings W orksheet Glossar[...]

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T able of Contents Siemens Energy & Automation, Inc. i 1 Introduction ............................................... 1 1.1 About this Manual ............................................. 1 1.2 Safety ................................................................ 1 1.3 Product Description .......................................... 2 1.3.1 Sta[...]

T able of Contents ii Siemens Energy & Automation, Inc. 7 Data Acquisition (cont.) 7.4 Metered Data ..................................... ............. 46 7.4.1 Current V alues ........................ ............. 46 7.4.2 V oltage V alues ..................................... 46 7.4.3 Power V alues ....................................... 46 [...]

Introduction Siemens Energy & Automation, Inc. 1 1 Introduction The Intelligent SwitchGear System (ISGS) from Siemens is a high-speed, numerical, micropr ocessor -based pr otective relay designed to be easily incorporated into a computer - monitored medium voltage power system. The re lay is designed and manufactured in accor dance with the [...]

Introduction 2 Siemens Energy & Automation, Inc. Signal W ords The signal words Danger , W arning , and Caution used in this manual indicate the degree of hazar d that the user or operator can encounter . These words ar e defined as follows:  Danger - indicates an imminently hazardous situation which, if not avoided, will result in death or [...]

Introduction Siemens Energy & Automation, Inc. 3 1.3.2 Optional Configur ations The ISGS relay is a dynamic, feature-rich device that can be used in numerous industrial and utility applicati ons. It allows the addition of options or configuration changes at any time without discarding the basic hardwar e. There are four optional configurations [...]

Introduction 4 Siemens Energy & Automation, Inc. 1.5 T echnical Specifications Applicable Standards ANSI / IEEE C37.90-1989 IEEE Standard Relays and Relay Systems Associated With Elec- tric Pow er App aratus IEC 255-4 Single Input Energizing Quantity Measuring Relays With Depen- dent or Independe nt Time General T echnical Data Operating ambien[...]

Installation Siemens Energy & Automation, Inc. 5 2 Installation This chapter explains the installation of the ISGS relay and includes procedures for unpacking, storing, mounting, and wiring the relay . Prior to installation, ensure that the system power is off and that you have all r equired tools and test equipment available. 2.1 Unpacking Upo[...]

Installation 6 Siemens Energy & Automation, Inc. Mount the relay using the following steps. 1. Install the relay M1-type case in the panel opening on the switchgear equipment. 2. Connect the case ground to the terminal lug on the back of the M1-type case as shown in Figur e 2.3 . 3. W ire as described in Section 2.4 . Figure 2.3 Case Grounding [...]

Installation Siemens Energy & Automation, Inc. 7 Figure 2.5 Intern al Connections Note: The r elay disabled contact should be wired to plant-wide distributed control system or external alarm. 9 3 41 31 33 29 2 Trip 1 Trip Common Relay Disabled 1 Relay Disabled Alarm Contact Relay Disabled 2 Trip 2 Trip 3 19 32 34 30 11 49 (2) 50 (7) 1 20 5 43 7[...]

Installation 8 Siemens Energy & Automation, Inc. 2.5 Communications The ISGS relay must be connected to a host computer in order for it to communicate with other devices. The relay supports both RS-232 and RS-485 (optional) data inter- faces. The use of either of these data interfaces will allo w the same level of access to the system as the fr[...]

User Interface Siemens Energy & Automation, Inc. 9 3 User Interface Operation, parameter selection, and control of the ISGS relay are performed using the fr ont panel controls and indicators. They consist of a 26-key membrane keypad, a 2-line by 16-character liquid crystal display (LCD), three light-emitting diodes (LEDs), and the front port. 3[...]

User Interface 10 Siemens Energy & Automation, Inc. The T rip LED is illuminated until the T arget Reset key i s depressed. Reset the T rip LED by momentarily depr essing the T arget Reset key . Note: If the T rip LED is on and power is removed, it will still be set to on when power is restored. 3.2.2 LCD The two-line by sixteen-character LCD a[...]

User Interface Siemens Energy & Automation, Inc. 11 3.4 Menu The ISGS relay menu (or memory map) is organized in a hier- archical structur e that is made up of address blocks and addresses. The first level consists of address blocks. Each address block r epresents one complete function or two related functions and is identified by a unique four[...]

User Interface 12 Siemens Energy & Automation, Inc. Displaying function names (address blocks), parameter names and their settings or values (addresses), and subpa- rameter settings (subaddress, where applicable), does not requir e a password (except for viewing the passwor d itself). Data can be displayed by following steps 1 to 3 of the stan-[...]

User Interface Siemens Energy & Automation, Inc. 13 T able 3.1 Standar d Operating Procedur es Step T ask Description Display Data 1 Display data at Address Block (xx00) Use Double Arr ow keys to scroll forward or backward between address blocks. OR Press Direct Addr key; enter address of desired address block using the numeric keypad; press En[...]

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Hardware Configuration Siemens Energy & Automation, Inc. 15 4 Har dwar e Configuration This chapter explains the device startup and how to config- ure the basic ISGS relay parameters. The r elay must be con- figured with certain system parameters, such as phase sequence and frequency . In addition, information regar ding the manner in which the[...]

Hardware Configuration 16 Siemens Energy & Automation, Inc. 4.2 Device Configuration The Device Configuration function allows you to set up the ISGS relay to matc h line frequency , pha se sequence, and breaker connection settings of your system. The frequency parameter (1002) must be set to the nominal frequency of your system. Phase sequence [...]

Hardware Configuration Siemens Energy & Automation, Inc. 17 Figure 4.5 shows option board 2 and its jumpers. The draw- ing indicates the jumpers associated with each binary input. The enlarged set of pins shows an example of pin labeling and a jumper at location X17-X18. Figure 4.5 Option Board 2 with Binary Inputs 350 350 350 350 .22 163 .22 1[...]

Hardware Configuration 18 Siemens Energy & Automation, Inc. 4.4 CT Configuration The CT Configuration function allows you to set up the ISGS relay to match the phase CT primary rating, the neutral or ground CT primary rating, and the CT input s normal power flow setting of your system. For CT connections refer to Figure 4.8 . The phase (1101[...]

Hardware Configuration Siemens Energy & Automation, Inc. 19 V oltage transformers may be connected in either of two ways:  T wo VT s con nected open delta-open delta  Three VT s connected wye-wye For brevity , the open delta connection is referred to as L-L (line-to-line), while the wye connection is referred to as L-N (line-to-neutral). [...]

Hardware Configuration 20 Siemens Energy & Automation, Inc. Figure 4.8 Current T ransformer Configuration 52 52 1 2 3 52 52 1 2 3 1 2 3 1 2 3 1 2 3 G N Three Phase Current with Residual Ground Sensing Three Phase Current with Direct Neutral Sensing Three Phase Current with Zero Sequence CT Three Phase Current with Direct Ground Sensing 52 = Pow[...]

Protective Function Configuration Siemens Energy & Automation, Inc. 21 5 Pr o tective Function Configuration 5.1 Overview This chapter explains how to set the parameters for the protective functions of the ISGS r elay . Password All parameter changes require a passwor d. Refer to Section 3.3 on how to enter your passwor d. Viewing parameter set[...]

Protective Function Configuration 22 Siemens Energy & Automation, Inc. 5.3 High-Set Instantaneous Phase Overcurr ent (50HS) The High-Set Instantaneous Phase Overcurrent function causes an undelayed trip when any individual measured phase current exceeds the pr eprogrammed threshold (pickup value). The relay will trip at 100% of the set pickup p[...]

Protective Function Configuration Siemens Energy & Automation, Inc. 23 5.6 Phase Time Overcurrent (51) The Phase Time Overcurrent function uses a selected time overcurr ent characteri stic curve to determine the trip time for the applied phase currents. The defined characteristic curves are valid over a range of multiple of pickup values . The [...]

Protective Function Configuration 24 Siemens Energy & Automation, Inc. protective curve that integrates with instantaneous reset. The lower limit of the custom curve is 1.1 0. The maximum time to trip is the time at 1.10. The range of the pickup value (1803) depends on the sec- ondary phase CT rating (1 A or 5 A) and the value is in sec- ondary[...]

Protective Function Configuration Siemens Energy & Automation, Inc. 25 The Directional Phase Time Ov ercurr ent function can be enabled or disabled (1901). The Curve parameter (1902) allows the selection of the pre- programme d characteristic curve used by this function. The ISGS relay comes with nine standar d overcurr ent character- istic cur[...]

Protective Function Configuration 26 Siemens Energy & Automation, Inc. The range of the pickup value (2003) depends on the sec- ondary phase neutral CT rating (1 A or 5 A) and the value is in secondary amperes. The function begins timing when any individual neutral current exceeds the pickup current setting. Note: The pickup point is 1.06 of th[...]

Protective Function Configuration Siemens Energy & Automation, Inc. 27 The Undervoltage function can be enabled or disabled (2301). The Curve parameter (2302) allows the selectio n of a definite time delay or a characteristic curve. When the definite time characteristic is selected, the time delay begins as soon as the device goes into pickup. [...]

Protective Function Configuration 28 Siemens Energy & Automation, Inc. When the curve is set to inverse, the Max T ime parameter (2456) sets an absolute maximum amou nt of time that the function will remain in pickup regar dless of the inverse curve. The value ranges from 1 to 250 seconds and can be set in steps of 1 second. Blocking (2457) can[...]

Protective Function Configuration Siemens Energy & Automation, Inc. 29 The 50BF Breaker Failure function can be enabled and dis- abled (2801). When enabled, the protective function begins monitoring the current flow in the circuit following a trip com- mand by the relay . Simultaneously , the protective function starts a timer . If the current [...]

Protective Function Configuration 30 Siemens Energy & Automation, Inc. Demand calculations are made every subperiod (3103, 3104, or 3105). The number of subperiods depends on the length of the demand interval and is based on 10, the mini- mum number of monitoring intervals in a subperiod. For example, a 15 minute interval can have one or three [...]

Control & Communications Siemens Energy & Automation, Inc. 31 6 Contr ol & Communications 6.1 Matrixing Events to Outputs One of the powerful functions of the ISGS relay is its ability to send control outputs based on inputs from the r eal world. This process of assigning various outputs to various inputs is called matrixing. Utiliti es[...]

Control & Communications 32 Siemens Energy & Automation, Inc. Matrixing Procedur e The following steps provide a detailed description on how to matrix the ISGS relay manually using the front panel LCD and keypad. Before matrixing the re lay , ensure that power is applied to the relay which is indicated by the lit system LED (green). T able [...]

Control & Communications Siemens Energy & Automation, Inc. 33 6.2 Binary Inputs Binary inputs are optically-isolated voltage level sensors with a fixed threshold. The input is considered activated if voltage above the threshold is applied and de -activated if no voltage or voltage below the threshold is applied. The status of the binary inp[...]

Control & Communications 34 Siemens Energy & Automation, Inc. 6.4 T rip Contacts The ISGS relay of fers up to three trip contacts which are monitored by the micr oprocessor . T rip contacts may be con- figured by the user to trip the relay based on any of a number of functions. T rip contact reaction time is about 4.5 ms. The relay displays[...]

Control & Communications Siemens Energy & Automation, Inc. 35 The T rip Source Impedance parameter (8301) can be enabled or disabled. When enabled, the circuit periodically monitors the trip supply voltage (auxiliary voltage, station bat- tery) and will perform an action (for example, clo se a binary output) should the volt age drop below A[...]

Control & Communications 36 Siemens Energy & Automation, Inc. 6.8 Breaker Operations Count Breaker Operations refers to the number of times the device has opened the breaker . The Breaker Operation function allows the setting of the breaker monitoring parameters. The Sum of Interrupted Current is the total sum of the cur- rents that wer e i[...]

Control & Communications Siemens Energy & Automation, Inc. 37 Binary Outputs (7409) displays the output contact status as illustrated in Figure 6.3 . The status updates automatically as they change. Figure 6.3 Output Contact Status 6.10 Self-Monitoring (V alue Supervision) V alue supervision refers to the relay s ability to monitor its o[...]

Control & Communications 38 Siemens Energy & Automation, Inc. Figure 6.4 V oltage Balance Threshold Monitoring is done when the maximum voltage is larger than the voltage balance pickup value . The voltage is considered balanced and will not cause an alarm if the voltage min/max ratio is larger than the voltage balance factor . The voltage [...]

Control & Communications Siemens Energy & Automation, Inc. 39 Figure 6.6 Current Balance Thr eshol d Failure of this check will cause an event Current Balance Error . This event can activate an output contact. The pickup value (3422) for the current balance check depends on the secondary phase CT rating and the value is in secondary amperes[...]

Control & Communications 40 Siemens Energy & Automation, Inc. and, therefor e, apply to both sets. Examples ar e protective function enable settings and matrixed output contacts such as waveform buffers and blocking. All parameter set func- tions require a passwor d. 6.11.1 Active Set The active parameter set r efers to the parameter set th[...]

Control & Communications Siemens Energy & Automation, Inc. 41 6.12 Communications Port The Configure Communications Port function lets the user change the communications parameters for the ISGS relay . The ISGS relay can connect at 2400, 4800, 9600, and 19,200 baud at both ports (7201 and 7202). High er baud rates will improve response and [...]

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Data Acquisition Siemens Energy & Automation, Inc. 43 7 Data Acquisition The ISGS relay pr ovides several forms of data acquisition and display to give the user the most comprehensive picture of the power system. This data includes:  event log for monitoring functions and status changes  trip logs, including date and time of trip  mini[...]

Data Acquisition 44 Siemens Energy & Automation, Inc. For each log the following applies:  The ISGS relay keeps a lifetime count of protective func- tion trips. The trip number (address 001) is the count at the time of the trip. The trip number cannot be reset unless the relay is returned to the factory .  The pickup time (002) consists o[...]

Data Acquisition Siemens Energy & Automation, Inc. 45 7.3.2 V oltage Minim um/Maximum Log The V oltage Minimum/Maximum Log function allows the dis- play of minimum and maximum values measured by the relay . The collected information is compared against previ- ously stored values and the log is updated. All logged values are time stamped and r e[...]

Data Acquisition 46 Siemens Energy & Automation, Inc. 7.4 Metered Data Metered data is stored by the ISGS r elay and can be dis- played by accessing address blocks 4100 to 4900. The di s- play of this data does not requir e a password. Y ou can display the same data more conveniently by using W isdom software described in Chapter 8 . 7.4.1 Curr[...]

Data Acquisition Siemens Energy & Automation, Inc. 47 7.5 Meter Display The Operating Parameters function allows the user to deter- mine what appears in Line 1 and Line 2 of the Power On Meter display described in Chapter 4 . The operating parameters can be set to pr ovide you with a quick and constantly updated overview of your most impor- tan[...]

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8 ISGS Wisdom Software Siemens Energy & Automation, Inc. 49 8 ISGS Wisdom Softwar e 8.1 Overview The ISGS relay is an extr emely advanced protective r elay for medium voltage switchgear applications. In order to reduce the complexity of configuring the relay , reading the metere d values, and retrieving stor ed data, Siemens developed ISGS Wisd[...]

8 ISGS Wisdom Software 50 Siemens Energy & Automation, Inc. Configure Menu The Configure menu pr ovides an easy way to set the param- eters for the following areas:  Communications  Protection Functions  Breaker Monitoring  ISGS Hardwar e  Demand  Alarms  V alue Supervision  I/O Setup  Passwords Each function or task [...]

8 ISGS Wisdom Software Siemens Energy & Automation, Inc. 51 The Marshalling displ ay provides an overview of all trip and binary input settings. Refer to Figure 8.6 . Figure 8.6 Marshalling Display Logs Menu The Logs menu allows a complete data display of the T rip Logs and the Min/Max Log at one glance (see Figure 8.7 and Figure 8.8 . This men[...]

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Appendix A: T rip Curves & Equations Siemens Energy & Automation, Inc. 53 Equation A.1 Standar d Inverse Curves Equation Figure A.2 Inverse Curve (SEA1) T rip Characteristi c Reset Characteristic T = time to trip, in seconds = multiple of pickup setting D = time dial setting, 0.1 to 9.9 in steps of 0.1 A, B, N, t r = constants For i ip ----[...]

Appendix A: T rip Curves & Equations 54 Siemens Energy & Automation, Inc. Figure A.3 Sho rt Inverse Curve (SEA2) Figure A.4 Long Inverse Curve (SEA3) 0.01 0.1 1 10 100 11 0 5 0 0.1 0.5 1.5 3.0 5.0 7.0 9.9 Multiples of Pickup T ime to T rip (Seconds) T ime Dial 0.1 1 10 100 1000 11 0 5 0 9.9 7.0 5.0 3.0 1.5 0.5 0.1 Multiples of Pickup T ime [...]

Appendix A: T rip Curves & Equations Siemens Energy & Automation, Inc. 55 Figure A.7 Extremely Inverse Curve (SEA6) Figure A.8 Slightly Inverse Curve (SEA7) 0.01 0.1 1 10 100 1000 11 0 5 0 9.9 7.0 5.0 3.0 1.5 0.5 0.1 Multiples of Pickup T ime to Trip (Seconds) T ime Dial 0.01 0.1 1 10 100 11 0 5 0 9.9 7.0 5.0 3.0 1.5 0.5 0.1 Multiples of Pi[...]

Appendix A: T rip Curves & Equations 56 Siemens Energy & Automation, Inc. Figure A.9 Defi nite Inverse Curve (SEA8) A.4 I-Squared-T Curve The ISGS provides an I-Squared-T characteristic in addition to the standar d inverse curves. Equation A.4 I-Squar ed-T Equ ation 0.01 0.1 1 10 100 11 0 5 0 9.9 7.0 5.0 3.0 1.5 0.5 0.1 Multiples of Pickup [...]

Appendix A: T rip Curves & Equations Siemens Energy & Automation, Inc. 57 T able A.2 Under/Overvoltage Coef ficients Equation A.5 Overvoltage Equation Equation A.6 Undervoltage Equation Over/Undervoltage Coefficients Curve T ype Des. A 1 B 1 N 1 t r Inverse 0.51 -1.75 0.50 --- Mod. Inverse 0.51 -0.45 0.50 --- V ery Inver se 0.51 1.75 0.50 -[...]

Appendix B: Metering 58 Siemens Energy & Automation, Inc. B Metering B.1 Accuracy T able B.1 Metering Accura cies Parameter Range Accuracy rms Current (L & G) 0-250% I n Displayed in Amperes ±1% of measurement from 50-125% of I n ±0.5% of I n fr om 10- 50% o f I n Average rms Current 0-250% I n Displayed in Am peres ±1% of m easurement f[...]

Appendix B: Metering Siemens Energy & Automation, Inc. 59 B.2 Power Conventions Figure B.1 Complex Power Plane Phase Angle Ø Ø=0°, +kW, kWh Imported, Power Factor = 1 Ø=180°, -kW, kWh Exported, Power Factor = 1 Ø=270°, -kV AR, kV ARh Exported, Power Factor = 0 Ø=90°, +kV AR, kV ARh Imported, Power Factor = 0 Ø=0 to 90° Power Factor L[...]

Appendix C: Menu Structure 60 Siemens Energy & Automation, Inc. C Menu Structur e The following table provides a complete list of addresses and parameters available to the ISGS in its standard and optional configuration. Functions that set the device, the CT s, or the VT s, or func- tions that require a change in the matrix are indicated by and[...]

Appendix C: Menu Structure Siemens Energy & Automation, Inc. 61 A2300 Undervoltage (27) 2301 2302 2304 2305 2306 2310 2311 Function Curve Pickup Delay (Definite) Dial (Inverse) Freeze Wfm 1 Freeze Wfm 2 A2400 Phase Sequence V oltage (47) Negative Sequence V oltage (47N) 2401 2410 2411 2451 2452 2453 2454 2455 2456 2457 2460 2461 Function 47 Fre[...]

Appendix C: Menu Structure 62 Siemens Energy & Automation, Inc. 4700 V oltage Minimum/ Maximum Log 4701 4702 4703 4704 4705 4706 4713 4714 4717 4718 V1-2 min V1-2 max V2--3 min V2-3 max V3-1 min V3-1 max VA v m i n VA v m a x Min THD Max THD 4800 Power Minimum / Maximum Log 4801 4802 4803 4804 4805 4806 4807 4808 4809 4810 kW min kW max kW dem [...]

Appendix D: Acceptance T est Procedures Siemens Energy & Automation, Inc. 63 D Acceptance T est Procedures When performing the acceptance tests, follow the sequence listed here; first test protective function 51, then 50, etc.) Note: The following procedur es should be performed using accurately calibrated test equipment connected to a source f[...]

Appendix D: Acceptance T est Procedures 64 Siemens Energy & Automation, Inc. Phase ABC 6. Relay times out per T able D.1 . T rip LED illuminates. Timer stops as T rip 1 contacts close. T rip log indicates trip current value and time in pickup. Wisdo m software r e cords trip on over current. Return current to zero and r eset timer . 7. Remove c[...]

Appendix D: Acceptance T est Procedures Siemens Energy & Automation, Inc. 65 ISGS Acceptance T est Neutral Time Overcurrent (51N) Function Set the ISGS as follows: Parameter S et A 7103 5000:5 Current T ransformer (CT) 110 2 Curve SEA 5, V ery Inverse 1802 1 A Nominal Pickup 1803 Time Dial per Chart 1805 T rip M atrixed to T rip 1 Contact 6401 [...]

Appendix D: Acceptance T est Procedures 66 Siemens Energy & Automation, Inc. Phase N 6. Relay times out per T able D.2 . T rip LED illu minates. Timer s tops as T rip 1 contacts close. T rip log indicates trip current value and time in pickup. Wisdom so ftware r ecords trip on overcurrent. Return current to zero and r eset timer . 7. Remove con[...]

Appendix D: Acceptance T est Procedures Siemens Energy & Automation, Inc. 67 ISGS Acceptance T est Instantaneous Phase Overcurrent (50) Function Set the ISGS as follows: Parameter S et A 7103 5000:5 Current T ransformer (CT) 1102 Curve SEA 5, V ery Inverse 1702 20 A Nominal Pickup 1703 Time Dial 9.9 1705 Instantaneous Pickup 1 A 1501, 1502 , 15[...]

Appendix D: Acceptance T est Procedures 68 Siemens Energy & Automation, Inc. ISGS Acceptance T est Undervoltage (27) Function Set the ISGS as follows: Parameter Set A 7103 V oltage Pri mary Rating 120 V 1201 Connection Line to Neutral 1202 Enable Function 2301 Time Characteristic: Inverse Time 2302 T rip on Line to Neutral 2303 Pickup Level 100[...]

Appendix D: Acceptance T est Procedures Siemens Energy & Automation, Inc. 69 Phase A B C Timing 7. Set voltage per T able D.3 . Pickup LED illuminates. Display shows PICKUP 27 P1 (2, 3). Wisdom so ftware r ecords pickup in event log. 8. Relay times out per T able D.3 . T ri p LED illuminates. Timer s tops as T rip 1 contacts close. T ri p log i[...]

Appendix D: Acceptance T est Procedures 70 Siemens Energy & Automation, Inc. ISGS Acceptance T est Overvoltage (59) Function Set the ISGS as follows: Parameter Set A 7103 V oltage Pri mary Rating 120 V 1201 Connection Line to Neutral 1202 Enable Function 2201 Time Characteristic: Inverse Time 2202 T rip on Line to Neutral 2203 Pickup Level 100 [...]

Appendix D: Acceptance T est Procedures Siemens Energy & Automation, Inc. 71 Phase A B C Timing 7. Set voltage per T able D.4 . Pickup LED illuminates. Display shows PICKUP 59 P1 (2, 3). Wisdom so ftware r ecords pickup in event log. 8. Relay times out per T able D.4 . T ri p LED illuminates. Timer s tops as T rip 1 contacts close. T ri p log i[...]

Appendix D: Acceptance T est Procedures 72 Siemens Energy & Automation, Inc. ISGS Acceptance T est Directional Phase Time Over current (67) Function (Phase-Neutral Con nected VT s) Set the ISGS as follows: Parameter Set A 7103 5000:5 Current T ransfo rmer (CT) 1101 Curve SEA 5, V ery Inverse 1902 1 A Nominal Pickup 1903 Time Dial per Chart 1905[...]

Appendix D: Acceptance T est Procedures Siemens Energy & Automation, Inc. 73 Phase ABC Pickup LED illuminates. Wisdom so ftware r ecords pickup in event log. Return current to zero and r eset ti mer . Timing 5. Apply appropriate value of curr ent in reverse dir ection fo r the test. The results match T able D.5 . Pickup LED illuminates. Display[...]

Appendix D: Acceptance T est Procedures 74 Siemens Energy & Automation, Inc. ISGS Acceptance T est Directional Phase Time Over current (67) Function (Phase-Phase Connected VT s) Set the ISGS as follows: Parameter Set A 7103 5000:5 Current T ransfo rmer (CT) 1101 Curve SEA 5, V ery Inverse 1902 1 A Nominal Pickup 1903 Time Dial per Chart 1905 Im[...]

Appendix D: Acceptance T est Procedures Siemens Energy & Automation, Inc. 75 Phase ABC -increase phase A curr ent in the r everse direction until relay picks up. This should occur at 1.06 x pickup, for example, 1.06 A ∠ 210 to phase A and 1.06 A ∠ 30 to phase B, or 1.06 A ∠ 90 to phase B and 1.06 A ∠ 270 to phase C, or 1.06 A ∠ 330 to[...]

Appendix D: Acceptance T est Procedures 76 Siemens Energy & Automation, Inc. ISGS Acceptance T est Directional Neutral Time Over current (67N) Function (Only Available with Phase-Neutral Connected VT s) Set the ISGS as follows: Parameter Set A 7103 5000:5 Current T ransfo rmer (CT) 1102 Curve SEA 5, V ery Inverse 2002 1 A Nominal Pickup 2003 Ti[...]

Appendix D: Acceptance T est Procedures Siemens Energy & Automation, Inc. 77 Phase N -increase phase A curr ent in the reverse direction until relay picks up. This should occur at 1.06 x pickup, for example, 1.06 A ∠ 180 to phase A, 1.06 A ∠ 60 to phase B, 1.06 A ∠ 300 to phase C. Pickup LED illuminates. Wisdo m software r e cords pickup [...]

Appendix D: Acceptance T est Procedures 78 Siemens Energy & Automation, Inc. Figure D.1 T erminal Connections for T est Procedur es I A V A V B V C I N I B I C Trip 1 CT 1-1 CT 2-1 CT 3-1 CT N-1 CT 1-2 CT 2-2 CT 3-2 CT N-2 VT 1+ VT 2+ VT 3+ VT 1- VT 2- VT 3- Trip 2 Trip 3 Trip Common Binary Input 3 Binary Input 1 Binary Output 1 Binary Output 2[...]

Appendix E: Schematics Siemens Energy & Automation, Inc. 79 E Schematics E.1 DC T rip System The following diagram illustrates a typical connection scheme for the ISGS relay when using a DC trip system. Figure E.1 Wiring for DC T rip Systems 52 SRC LS 88 52T 52a 52a 52b 31 3 1 6 1 4 15 2 14 N P 3 1 4 2 3 1 4 2 Fuse Fuse Fuse Fuse RES RES RES RE[...]

Appendix E: Schematics 80 Siemens Energy & Automation, Inc. E.2 AC (Capacitor) T rip Systems The following diagram illustrates a typical conn ection scheme for the ISGS relay when using an AC trip system. Figure E.2 W iring for AC (Capacitor) T rip System 52 SRC LS 88 52T 52a 52a 52b 52a 31 3 1 6 1 11 4 15 2 14 AC0 AC1 3 1 4 2 3 1 4 2 Slug 1-Fu[...]

ISGS Settings W orksheet for Date: Set A Siemens Energy & Automation, Inc. S-1 This ISGS settings worksheet allows easy recording of the desired ISGS parameter settings when configuring the device manually with the keypad controls. Functions and parameters are listed in numerical sequence of their address blocks and addr esses jus t as they app[...]

ISGS Settings W orksheet for Date: Set A S-2 Siemens Energy & Automation, Inc. A1500 Instantaneous Phase Overcurr ent (50) High-Set Instantaneous Phase Overcurrent (50HS) A1501 Function 50 Enabled Disabled A1502 Pickup 50 5 A CT 1.0 A Range: 1-120 A (0.1 A steps) A 1 A CT 0.2 A Range: 0.2-24 A (0.1 A steps) A A1504 Time Delay 50 0.00 s Range: 0[...]

ISGS Settings W orksheet for Date: Set A Siemens Energy & Automation, Inc. S-3 A1700 Phase Time Overcurrent (51) A1702 Curve 51 Inverse Short Inverse Long Inverse Moderately Inverse Custom V ery Inverse Extr emely Inverse Definite Inverse Slightly Inverse I 2 T without Lim it A1703 Pickup 51 5 A CT 0.5 A Range: 0.5-20 A (0.1 A steps) A (PU poin[...]

ISGS Settings W orksheet for Date: Set A S-4 Siemens Energy & Automation, Inc. A1900 Directional Phase Time Over current (67) A1901 Function 67 Enabled Disabled A1902 Curve 67 Inverse Short Inverse Long Inverse Moderately Inverse Custom V ery Inverse Extremely Inverse Definite Inverse Slightly Inverse I 2 T without Limit A1903 Pickup 67 5 A CT [...]

ISGS Settings W orksheet for Date: Set A Siemens Energy & Automation, Inc. S-5 A2200 Overvoltage (59) A2201 Function 59 Enabled Disabled A2202 Curve 59 Inverse Moderately Inverse V ery Inverse Definite Inverse A2203 Pickup Source V ol tage 59 (if VT mode is (L-N) Line-to-Line Line-to-Neutral A2204 Pickup 59 130 V R ange: 60-250 V (0.1 V steps) [...]

ISGS Settings W orksheet for Date: Set A S-6 Siemens Energy & Automation, Inc. A2400 Phase Sequence V oltage (47) Negative Sequence V oltage (47N) A2401 Function 47 Enabled Disabled 2410 Freeze W aveform 1 47 --- on T rip None 2411 Freeze W aveform 2 47 --- on T rip None A2451 Function 47N Enabled Disabled A2452 Curve 47N Inverse Definite Inver[...]

ISGS Settings W orksheet for Date: Set A Siemens Energy & Automation, Inc. S-7 A2500 Overfrequency (81O) Underfrequency (81U) A2501 Function 81O Enabled Disabled A2502 Pickup 81O 62.0 Hz Range: 60.1-65.0 Hz (0.1 Hz steps) Hz A2504 T ime Delay 81O 0.10 s Range: 0-100 s (0.01 s steps), or ∞ s 2506 Block 81O 40 V Range: 40-120 V (1 V steps) V 25[...]

ISGS Settings W orksheet for Date: Set A S-8 Siemens Energy & Automation, Inc. 3000 Alarm Setpoints 3100 Demand Setpoints 3101 Demand Interval 15 30 60 minutes 3102 Sync time 0 15 30 45 minutes after hour 3103 Subperiods 60 1 23461 2 3104 Subperiods 30 1 236 3105 Subperiods 15 1 3 3106 Current A verage Demand Enabled Disabled 3107 Current A ver[...]

ISGS Settings W orksheet for Date: Set A Siemens Energy & Automation, Inc. S-9 3400 V alue Supervision 3401 V oltage Balance Function Enabled Disabled 3402 V oltage Balance Pickup 100 V Range: 40-120 V (0.1 V steps) V 3404 V oltage Balance Factor 0.80 Range: 0.58-0.95 (0.01 teps) 3411 Current Sum Function Enabled Disabled 3412 Current Sum Picku[...]

ISGS Settings W orksheet for Date: Set A S-10 Siemens Energy & Automation, Inc. 6000 Matrixing 6100 Binary Inputs 6101 Input 1 001 002 003 004 005 006 007 008 009 010 Frz.Buff1 Hi Frz.Buf f1 Lo Frz.Buff2 Hi Frz.Buf f2 Lo blk 47N Hi blk 47N Lo blk 47 Hi blk 47 Lo blk 81U Hi blk 81U Lo blk 81O Hi blk 81O Lo blk 50 Hi bl k 50 Lo blk 50N Hi blk 50N[...]

ISGS Settings W orksheet for Date: Set A Siemens Energy & Automation, Inc. S-11 6100 Binary Inputs (continued) 6103 Input 3 001 002 003 004 005 006 007 008 009 010 Frz.Buff1 Hi Frz.Buff1 Lo Frz.Buff2 Hi Frz.Buff2 Lo blk 47N Hi blk 47N Lo blk 47 Hi blk 47 Lo blk 81U Hi blk 81U Lo blk 81O Hi blk 81O Lo blk 50 Hi blk 50 Lo blk 50N Hi blk 50N Lo bl[...]

ISGS Settings W orksheet for Date: Set A S-12 Siemens Energy & Automation, Inc. 6200 Binary Outputs 6201 Output 1 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 BI1 BI2 BI3 BI4 Error S um I Error Sym I Error Sym V OC Pickup OC T rip Non OC PU Non OC T rip Relay Pickup Relay T ripped no f f <> 50HS T rip 50[...]

ISGS Settings W orksheet for Date: Set A Siemens Energy & Automation, Inc. S-13 6200 Binary Outputs (continued) 6202 Output 2 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 BI1 BI2 BI3 BI4 Error Sum I Err or Sym I Error Sym V OC Pickup OC T ri p Non OC PU Non OC T rip Relay Pickup Relay T ripped no f f <> [...]

ISGS Settings W orksheet for Date: Set A S-14 Siemens Energy & Automation, Inc. 6400 T rip Contacts 6401 Contact 1 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 BI1 BI2 BI3 BI4 OC T rip Non OC T rip Relay T ripped 50HS T rip 50HSN T rip 81O T rip 81U T rip 47N T rip (005) 50 T rip (002) 50N T r ip (003) 51 T ri[...]

ISGS Settings W orksheet for Date: Set A Siemens Energy & Automation, Inc. S-15 6400 T rip Contacts (continued) 6403 Contact 3 001 002 003 004 005 006 007 008 009 010 011 012 013 014 015 016 017 018 019 020 BI1 BI2 BI3 BI4 OC T ri p Non OC T rip Relay T ripped 50HS T rip 50HSN T rip 81O T rip 81U T rip 47N T rip 50 T rip 50N T rip 51 T rip 51N [...]

ISGS Settings W orksheet for Date: Set A S-16 Siemens Energy & Automation, Inc. 7100 Parameter Set 7103 Activation Set A Set B 7200 Configure Communicatins Port 7201 Local Port 2400 baud 4800 baud 9600 baud 19 200 baud 7202 System Port 2400 baud 480 0 baud 9600 baud 19 200 baud 7203 Param. Change Enabled Disabled 7204 Comm Events Enabled Disabl[...]

ISGS Settings W orksheet for Date: Set A Siemens Energy & Automation, Inc. S-17 8200 Resets 8211 Breaker Ops 0-65535 8212 Sum IL1 Range: 0-99999 kA (0.01 kA steps) kA 8213 Sum IL2 Range: 0-99999 kA (0.01 kA steps) kA 8214 Sum IL3 Range: 0-99999 kA (0.01 kA steps) kA 8300 Breaker Monitoring 8301 T ri p Source Impedance Enabled Disabled 8302 T ri[...]

ISGS Settings W orksheet for Date: Set B S-18 Siemens Energy & Automation, Inc. B1500 Instantaneous Phase Overcurr ent (50) High-Set Instantaneous Phase Overcurrent (50HS) B1501 Function 50 Enabled Disabled B1502 Pickup 50 5 A CT 1.0 A Range: 1-120 A (0.1 A steps) A 1 A CT 0.2 A Range: 0.2-24 A (0.1 A steps) A B1504 Time Delay 50 0.00 s Range: [...]

ISGS Settings W orksheet for Date: Set B Siemens Energy & Automation, Inc. S-19 B1700 Phase Time Overcurrent (51) B1702 Curve 51 Inverse Short Inverse Lon g Inverse Modera tely Inverse Custom V ery Inverse Extr emely Inverse Definite Inverse Slightly Inverse I 2 T without Lim it B1703 Pickup 51 5 A CT 0.5 A Range: 0.5-20 A (0.1 A steps) A (PU p[...]

ISGS Settings W orksheet for Date: Set B S-20 Siemens Energy & Automation, Inc. B1900 Directional Time Over current (67) B1901 Function 67 Enabled Disabled B1902 Curve 67 Inverse Short Inverse Long Invers e Moderately Inverse Custom V ery Inverse Extremely Inverse Definite Inverse Slightly Inverse I 2 T without Limit B1903 Pickup 67 5 A CT 0.5 [...]

ISGS Settings W orksheet for Date: Set B Siemens Energy & Automation, Inc. S-21 B2200 Overvoltage (59) B2201 Function 59 Enabled Disabled B2202 Curve 59 Inverse Moderately Inverse V ery Inverse Definite Inverse B2203 Pickup Source V oltage 59 (if VT mode is (L-N) Line-to-Line Line-to-Neutral B2204 Pickup 59 130 V R ange: 60-250 V (0.1 V steps) [...]

ISGS Settings W orksheet for Date: Set B S-22 Siemens Energy & Automation, Inc. B2400 Phase Sequence V oltage (47) Negative Sequence V oltage (47N) B2401 Function 47 Enabled Disabled 2410 Freeze W aveform 1 47 Settings displayed or changed here apply to both parameter sets 2411 Freeze W aveform 2 47 Settings displayed or changed here apply to b[...]

Glossary Siemens Energy & Automation, Inc. G-i address Unique four -digit num ber repr esenti ng the location of a specific function parameter stored in the ISGS relay . address block Unique four -digit number ending in two zeros r epresenting the location of a specific function stored in the ISGS relay . average line voltage Arithmetic average[...]

Glossary G-ii Siemens Energy & Autom ation, Inc. Forward Parameter setting of several ISGS functions that allows the directional pr otection element to pickup on fault current only in the dir ection of normal power flow . High-Set Instantaneous Neutral or Ground Over current (50HSN) A r elay function that protects against a neutral or ground ov[...]

Glossary Siemens Energy & Automation, Inc. G-iii Phase Sequence V oltage (47) Relay function that pro- tects against a phase sequence voltage condition. T ripping occurs when the phase sequence voltage indicated in the hardwar e configuration is not present at the device voltage inputs. This function operates without delay or inverse time chara[...]

Glossary G-iv Siemens Energy & Autom ation, Inc. trip to occur . If the underfrequency condition subsides in less time than the delay time, the pickup will go inactive and the underfreque ncy function will rese t. When tripping occurs, the actual condition that caused the trip is recorded in the device's nonvolatile trip log. Pickup occurs[...]

Index Siemens Energy & Automation, Inc. I- i A AC (capacitor) trip systems 80 acceptance test procedures 63 active paramete r set 40 alarm setpoints 29 , 30 applicable standards 4 ary 36 B binary input status 36 binary inputs 31 , 33 binary outputs 33 blocking 24 , 31 Breaker Failure (50BF) 2 , 28 breaker monitor reset 35 breaker monitoring 34 [...]

Index I- ii Siemens Energy & Automation, Inc. Instantaneous Phase Overcurrent (50) 2 , 21 Intelligent SwitchGear System (ISGS) 1 internal connections 6 , 7 inverse curve 53 isolation 4 I-Squared-T curve 56 J jumper positions 16 K keypad 9 L LCD 10 LEDs 9 log reset 35 logs current minimum/maximum 44 event 43 frequency minimum/maximum 45 minimum/[...]

Index Siemens Energy & Automation, Inc. I- iii protection (contl) Overvolt age (59) 3 , 26 Phase Sequence Voltage (47) 3 , 27 Phase Time Overcurrent (51) 2 , 23 Underfrequency (81U) 3 , 28 Undervoltage (27) 3 Q qualified person 1 R relay data function 36 removing cradle assembly 8 reset function 35 S safety 1 self-monitoring 37 setpoints 29 ala[...]

Notes: I-iv Siemens Energy & Automation, Inc. I I isv3o_1.bk : isv3o_1.ix Page iv Wednesday, August 7, 1996 1 0:51 AM[...]

Form: SG6014-0 0 0496 Siemens Energy & Automation, Inc. Protective Relays Service Request Form Siemens Energy & Automation, Inc. Protective Relay Group Customer Service P .O. Box 29503 Raleigh, NC 27626-0503 T o report pr oblems with Siemens protective relays, make a copy of this form, complete it with as much infor- mation as you can, and [...]

Siemens Energy & Automation, Inc. Form: SG6014 -00 0496 Accessories Used Communications softwar e: Other devices: Problem Description Error Messages T o be c ompleted by Siemens: Received by: Date: Reviewed by: Date: Problem r eport tracking number: Pr oblem classification code: Sales engineer: Corrective action taken: isv3o_1.bk : isv3o_sv.frm[...]

F AX ORDER FORM Wisdom Software Wisdom software (for W indows ® ) simplifies the configuration of your ISGS r elay . For a free copy , complete this form and fax it to: Siemens Energy & Automation, Inc. Protective Relay Group F AX in US: 919-365-2552 T o download this software directly fr om the W orld Wid e W eb, visit our web site: http:/[...]

isv3o_1.bk : isv3o_fc.frm Page 3 Wed nesday, August 7, 1996 10:51 AM[...]

Siemens Energy & Automation, Inc. Power Apparatus & Conditioning Division P .O. Box 29503 Raleigh, NC 27626-0503 Manual No. SG8158-00 1MTD 0896 Printed in U.S.A. © 1996 Siemens Energy & Automation, Inc. SIEMENS is a register ed trademark of Siemens AG. isv3o_1.bk : isv3o_fc.frm Page 4 Wed nesday, August 7, 1996 10:51 AM[...]