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Toshiba JK Series manual

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Table of contents for the manual

  • Page 1

    JK Series POWER DISTRIBUTION 400A & 720A Fixed T ype Medium V oltage Motor Contr ollers[...]

  • Page 2

    The low voltage section is oversized and is at a convenient height. This section is isolated from the medium voltage section and includes: Thermal Overload Protection Relay Pilot Lights (door mounted) Push Buttons (door mounted) Single Phase Ammeter (door mounted) CPT Secondary Fuses Control T erminal Points for Customer Connections T imers (for Re[...]

  • Page 3

    T oshiba's JK400 series complies with EEMAC, NEMA, UL and CSA standards and is available in non-reversing and reversing full voltage, autotrans- former , reactor , multi-speed, synchronous and wound rotor configurations. Latched contactors are also available. The JK400 series is available in the following enclosed ratings: 360 amps 2300-6600 V[...]

  • Page 4

    MEDIUM VOL T AGE CONTROLLERS JK720 Series The new JK720 Series of motor controller is the result of extensive research and development. This state-of-the-art controller was designed in Houston, T exas, and is currently being manufac- tured under ISO 9001 standards in the same manufacturing facility as T oshiba motors and drives. The components in t[...]

  • Page 5

    T oshiba's JK720 series complies with EEMAC, NEMA, UL and CSA standards and is available in non-reversing and reversing full voltage, autotrans- former , reactor , multi-speed, synchronous and wound rotor configurations. Latched contactors are also available. The JK720 series is available in the following enclosed ratings: 720 amps 2300-4800 V[...]

  • Page 6

    JK Series Product Specification 400A MEDIUM VOLTAGE FIXED CONTROLLER 1. Standards 1.1 Basic controller shall comply with NEMA ICS3-1993, Part 2 (ICS2-324) and UL 347 Standards. Basic controller can be UL Listed and CSA Certified. 2. Structure 2.1 Dimensions FVNR One-high - 30"W x 36"D x 46"H (no bus, small LV compartment) FVNR One-hi[...]

  • Page 7

    2.4 Handling and Installation 2.4.1 Removable angles or eye bolts shall be pr ovided at the top of t he structure for lifting. 3. Pow er Bus 3.1 Horizontal power bus shall be located at the cent er rear of the cubicle, in the same location as other JK Series controllers. 3.2 Horizontal power bus ratings of 1200 and 2000 amperes are available. Bus s[...]

  • Page 8

    4.2 Bolted Pressure Isolation Switch 4.2.1 A Toshiba type JK fixed mounted, gang-oper ated isolation switch shall be provided with each controller to isolate the medium vo ltage compartment from the power source. 4.2.2 The switch shall be directly driven by an externally operable handle mounted on the right hand flange of the cubicle. The handle sh[...]

  • Page 9

    4.3.3 Power connections from the isolation switch to the main power fuses shall be made using bus bar. Connections from the contactor through the current transformers to the outgoing load terminals shall be made using power cable furnished by others. 4.3.4 The contactor shall be available with an optional mechanical latch with provisions for manual[...]

  • Page 10

    5. Ratings 5.1 Controller shall be rated as follows: 5.1.1 Interrupting Ratings: 400 Ampere Controller: - contactor 7.0kA @ 6.9kV - fused controller 50kA RMS Sym. @ 7.2kV 200MVA @ 2.3kV 350MVA @ 4.0kV 400MVA @ 4.6kV 570MVA @ 6.6kV 5.1.2 Continuous Thermal Ratings: 400 Ampere Controller: Enclosure type Max. Continuous Amperes 46” and 61” One-hig[...]

  • Page 11

    JK Series Product Specification 720A MEDIUM VOLTAGE FIXED CONTROLLER 1. Standards 1.1 Basic controller shall comply with NEMA ICS3-1993, Part 2 (ICS2-324) and UL 347 Standards. Basic controller can be UL/CUL Listed. 2. Structure 2.1 Dimensions Across-the-Line (one-high) - 36"W x 36"D x 90"H Reduced Voltage Autotransformer - (2) 36&qu[...]

  • Page 12

    2.4.1 Removable angles or eye bolts shall be pr ovided at the top of t he structure for lifting. 2.4.2 Optional removable sill channels shall be available. 3. Pow er Bus 3.1 Horizontal power bus shall be located at the cent er rear of the cubicle, in the same location as other JK Series controllers. 3.2 Horizontal power bus ratings of 1200 and 2000[...]

  • Page 13

    4.2 Bolted Pressure Isolation Switch 4.2.1 A fixed mounted, gang-operated isolation sw itch shall be provided with each controller to isolate the medium voltage compartment from the power source. 4.2.2 The switch shall be directly driven by an externally operable handle mounted on the right hand flange of the cubicle. The handle shall provi de posi[...]

  • Page 14

    4.3.3 Power connections from the isolation switch to the contactor shall be made using bus bar. Connections from the contactor through the curr ent transformers to the outgoing load terminals shall be made using power cable. 4.3.4 The contactor shall be supplied with an optional mechanical latch with provisions for manual or electrical trip. 4.3.5 [...]

  • Page 15

    4.5.7 An electrical interlock shall be provided to ensure the isolation switch does not open with the control power transformer under load. This interlock shall be designed such that during switch opening, the transformer secondary is disconnected prior to the opening of the switch blades. Also, during switch closing, the swit ch blades must close [...]

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  • Page 23

    Medium V oltage Motor G7 Drive *pacjKSBROCH050218* ADJUST ABLE SPEED DRIVES MOTORS CONTROLS UPS INSTRUMENT A TION PLC INDUSTRIAL DIVISION 13131 W est Little Y ork Road, Houston, T exas 77041 T el 713/466-0277 Fax 713/466-8773 US 800/231-1412 Canada 800/872-2192 Mexico 01/800/527-1204 www .tic.toshiba.com Copyright 2/2005 A vailable Through: TOSHIBA[...]