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Toshiba HCV-1JBU manual

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Table of contents for the manual

  • Page 1

    D o c u m e n t : V F 0 1 0 H 0 7 A INSTRUCTION MANUAL INSTALLATION - OPERATION - MAINTENA NCE HCV-1JBU Vacuum Contactor, 1.5kV - 600A HCV-1KAU Vacuum Contactor, 1.5kV - 720A Issued: 12/05 Manufactured in the USA Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.ctiautomation.net - Email: info@ctiautomation.net[...]

  • Page 2

    Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.ctiautomation.net - Email: info@ctiautomation.net[...]

  • Page 3

    TOSHIBA INSTRUCTION MANUAL For the Installation, Operation and Maintenance of HCV-1JBU Vacuum Contactor, 1.5kV – 600A HCV-1KAU Vacuum Contactor, 1.5kV – 720A Never attempt to install, operate, maintain or dispose of this equipment until you have first read and understood all of the relevant product warnings and user directions that are containe[...]

  • Page 4

    Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.ctiautomation.net - Email: info@ctiautomation.net[...]

  • Page 5

    SAFETY Page 1 IMPORTANT MESSAGES Read this manual and follow its instructions. Signal words such as DANGER, WARNING and CAUTION will be followed by important safety information that must be carefully reviewed. Indicates a situation that will result in death, seri ous injury, and severe property damage if you do not follow instructions. Means that y[...]

  • Page 6

    Page 2 SAFETY QUALIFIED OPERATORS ONLY Only qualified persons are to install, operate, or service this equipment according to all applicable codes and established safety practices. A qualified person must: 1) Carefully read the entire instruction manual. 2) Be skilled in the installation, c onstruction or operation of the equipment and aware of the[...]

  • Page 7

    SAFETY Page 3 HAZARDOUS VOLTAGE will cause severe injury, death, fire, explosion, and property damage. • Turn off and lock out Primary and Control Circuit Power before servicing. • Keep all panels and covers securely in place. • Never Defeat, Modify, or Bypass any Safety Interlocks • Qualified Operators only DANGER Phone: 800.894.0412 - Fax[...]

  • Page 8

    Page 4 TABLE OF CONTENTS SAFETY ............................................................................................................................... ....................... 1 INTRODUCTION ............................................................................................................................... ......... 6 GENERAL DES[...]

  • Page 9

    TABLE OF CONTENTS Page 5 Table 3 – Gap/Wipe Standard Values (contactor in new condition)................................................ 20 Vacuum Check .................................................................................................................. .............. 21 - Toshiba Portable Vacuum Checker ............................[...]

  • Page 10

    Page 6 INTRODUCTION It is the intent of this manual to provide a guide for safely installing, operating and maintaining T oshiba vacuum contactors. This manual consists of a section of general safety instructions and is marked throughout with warning symbols. Read this manual thoroughly before installation, operation and maintenance of this equipme[...]

  • Page 11

    GENERAL DESCRIPTION Page 7 COMPONENTS The Toshiba HCV-1JB and HCV-1KA vacuum contactors described in this manual are suitable for use on systems of 1.5kV, 60 0A and 1.5kV, 720A respectively. Arc interruption is accomplished in side sealed vacuum interrupters mounted on tr ack-resistant insulators. Vacuum in terrupte rs use low-surge contact materia[...]

  • Page 12

    Page 8 GENERAL DESCRIPTION INDICAT ORS AND CON TROLS The following indicator is provided: On-Off Indicator - I ndicates if the contactor is OFF (Green) or ON (Re d). When the in dicator reads OFF, the main contacts of the contacto r are open. When the indicatio n is ON, the main contacts are closed. Se e Fi gu re 4. Figure 4 - ON/OFF Indicator Phon[...]

  • Page 13

    RECEIVING, INSPECTION AND HANDLING Page 9 RECEIVING AND UNPACKING The contactor units are subjected to factory production testing prio r to being packed and shipped. ACCEPTANCE IN SPECTION Confirm that the contactor is compl ete, correct as specified and undama ged from shipment and handling. Upon receipt of the equip ment, do the follo wing: 1. Ma[...]

  • Page 14

    Page 10 INSTALLATION AMBIENT CONDITIONS Do not install this equipment in a reas where unusual service conditions exist. Using thi s equipment in other than usual service conditions can result in equipment failure. Toshiba HCV-1JBU and HCV-1KAU contactors are intended for use in usual servic e conditions as defined in NEMA ICS 1. The temperature o f[...]

  • Page 15

    INSTALLATION Page 11 Use two wrenches to torque the connection to prevent applying excessive force to the terminal, which can damage the frame. GROUND CONNECTION S The contactor must be grounded in accordance with the requirements of the National Electrical Code, Article 250 or applicable local standards. Proper grounding connections must be made t[...]

  • Page 16

    Page 12 PRE-ENERGIZATION CHECK GENERAL BEFORE ENE RGIZING THE CONTAC TOR for the first time, follo w the procedure b elow to verify that the equipment is prope rly installed an d functional. Hazardous Voltage. Tu rn off and lock out all p rimary and control circuit power sources prior to performing this pre-energiz ation check. Do not operate this [...]

  • Page 17

    OPERATION Page 13 MOVING THE CONT ACTOR FROM TH E OFF TO THE ON POSITION TO MOVE THE CONTACTOR TO THE ON POSITION: 1. Turn ON circuit control power to move the contactor to the ON position 2. Verify that the position indicator reads ON (Red). MOVING THE CONTAC TOR FROM THE ON TO THE OFF POSITION TO MOVE THE CONTACT OR TO THE OFF POSITION: 1. Turn O[...]

  • Page 18

    Page 14 OPERATION Figure 8 – Internal Connection of the Normally Energized Type Figure 9 – Configuration of the Drive Unit 52 CC T1 T2 SWIT CHING TIMER POWER VO LTAGE DETEC T A 1 A 2 OSCIL LATI ON LEGEND 52 CC …. Closing Coil T1-T4 ….. Termi nal Bl ock A1-A2…... Closing Su pply AC/DC LEGEND 52 CC …. Closing Coil T1-T2 ….. Termi nal Bl[...]

  • Page 19

    OPERATION Page 15 Figure 10 - Standard Operation Circuit of the Normally Energized Type. Remot e Ope r a t i on Swi t c h St op In te rlo ck CR Dr S (D oo r S witc h) St a r t In te rlo ck Local Remot e ON OFF OFF A2 A1 CR 16 15 14 13 12 11 26 25 24 23 22 21 VCTT GL 52 CC 52 CC T2 T1 2E ( Over l oad) ON 100/ 110V 200/ 220V A C/DC Auxi l i a r y Sw [...]

  • Page 20

    Page 16 MAINTENANCE MAINTENANCE PROGRAM In order to ensure conti nued reliable and saf e operation of the equipment, a prog ram of periodic maintenance must be establishe d. Operating and enviro nmental conditions will usually dictate the frequency of inspection required. NFPA Publi cation 70B "Electrical Equipment Mainte nance" ma y be u[...]

  • Page 21

    MAINTENANCE Page 17 RECOMMENDED INSPECTION AN D MAINTENANCE TYPES NOTE: Refer to the SAFETY s ection of this manual for import ant information. 1. Acceptance Inspection This inspection confirms that the contactor is complete, correct as spe cified and undamaged fro m shipment. The procedure for this inspection is outlined in the RECEIVING, INSPECTI[...]

  • Page 22

    Page 18 MAINTENANCE Table 2 - Check Points for Periodic Inspection Check Point Check Item Check Method Criteria Disposition Operating Mechanism Loose bolts, nuts or screws Tighten using screwdriver or wrench. Make sure all bolts, nuts and screws are tight. Tighten if loose. See Table 1 for tightening torque specifications. Dust or foreign matter in[...]

  • Page 23

    MAINTENANCE Page 19 Table 2 – Check Points for Periodic Inspection (cont.) Check Point Check Item Check Method Criteria What to do Main Circuit Dust on surface of vacuum interrupter Visual inspection. Make sure there is no dust on the surface. Wipe with a clean, dry cloth. Insulation Frame and Flanges Dust, foreign matter or damage Visual inspect[...]

  • Page 24

    Page 20 MAINTENANCE Table 2 – Check Points for Periodic Inspection (cont.) Check Point Check Item Check Method Criteria What to do Dielectric Strength Measure main circuit Measure dielectric strength between phases and between circuits and ground. 10kV AC or 14kV DC for 1 minute. If breakdown occurs, contact Toshiba. Open/Close Operation --- Perf[...]

  • Page 25

    MAINTENANCE Page 21 VACUUM CHECK A sufficient level of vacuum is necessary for proper performance of the vacu um interrupters. Although vacuu m leaks are rare, the vacuu m integrity should b e checked periodically. The relationship bet ween dielectric breakdown voltage of the con tact gap and i nternal vacuu m interrupter pressure has been found to[...]

  • Page 26

    Page 22 MAINTENANCE CRITERIA: 1. If a current flow above 5 milli-amperes is observed or if breakdown occurs, one or more of the inte rrupters has ins ufficient vacuum and must be replac ed. Exception: If the current exceeds 5 milli- amperes the first time the voltag e is brought up, reduce the voltage to zero and i ncrease it again. It may be nece [...]

  • Page 27

    MAINTENANCE Page 23 ELECTRICAL SERVICE LIFE The electrical service life of the vacuum interrupter is defined by the electrode wear and the number of open/close operations (mechanical life). To determine electrode wear, measure the distance between the lever and washer in the closed (ON) state, as shown in Figure 13. This dimension is called the “[...]

  • Page 28

    Page 24 DISPOSAL AND STORAGE STORAGE If the contactor is to be stored for a ny length of time prior to installation, the followi ng precautions should be taken. 1. The original packing should be res tored, if possible. 2. Do not subject the equipment to moisture or sunrays. Store in cool, clean, and dry location. 3. Place a dust cover over the cont[...]

  • Page 29

    SPECIFICATIONS Page 25 Table 5 - Ratings Items HCV-1JBU HCV-1KAU Rated Insulation Voltage kV 1.5 Rated Operation Voltage V 208-1500 Rated Operational Current A 600 720 Rated Frequency Hz 50/60 Rated Making Current kA 6.0 (close 100 times) 7.2 (close 100 times) Rated Breaking Current kA 4.8 (close-open 25 times) 5.76 (close-open 25 times) Rated Insu[...]

  • Page 30

    WARRANTY AND LIMITATION OF LIABILITY Page 26 Toshiba International Corporation ("Company") warrants th at all equipment and parts described herein will be free from defects in materials and workmanship. THIS WARRANTY W ILL EXPIRE EIGHTEEN (18) MONTHS AFTER THE DATE ON WHICH SUCH EQUIPMENT AND PARTS (EXCLUDING REPAIRED OR REPLACEMENT EQUIP[...]