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Document: VF010H08A

INSTRUCTION MANUAL

INSTALLATION - OPERATION - MAINTENANCE

HCV-6KAU Vacuum Contactor, 7.2kV – 720A – 7.2kA
HCV-6KALU Vacuum Contactor, 7.2kV – 720A – 7.2kA

Issued: 12/05

Manufactured in the USA

Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: [email protected]

Содержание HCV-6KALU

Страница 1: ...L INSTALLATION OPERATION MAINTENANCE HCV 6KAU Vacuum Contactor 7 2kV 720A 7 2kA HCV 6KALU Vacuum Contactor 7 2kV 720A 7 2kA Issued 12 05 Manufactured in the USA Phone 800 894 0412 Fax 888 723 4773 Web www clrwtr com Email info clrwtr com ...

Страница 2: ...Phone 800 894 0412 Fax 888 723 4773 Web www clrwtr com Email info clrwtr com ...

Страница 3: ...dence to Field Service Department Toshiba International Corporation 13131 West Little York Road Houston Texas 77041 USA or call 713 466 0277 800 231 1412 800 527 1204 Canada Fax 713 466 8773 Please complete the following information for your records and retain with this manual Model ___________________________________ Serial Number _____________________________ Date of Installation _______________...

Страница 4: ...Phone 800 894 0412 Fax 888 723 4773 Web www clrwtr com Email info clrwtr com ...

Страница 5: ...llow instructions Severe property damage might also occur Means that you might be injured if you do not follow instructions Equipment damage might also occur NOTE Gives you helpful information Note The contents of this manual will not become apart of or modify the warranty policy The terms of which are set forth at the end of this manual READ SAFETY SIGNS To avoid injury you must read and follow a...

Страница 6: ...Be trained and authorized to perform the service maintenance or repair of this equipment 5 Be trained in the proper care and use of protective equipment such as rubber gloves hard hat safety glasses face shield flash clothing etc in accordance with established practices 6 Be trained in rendering first aid SAFETY CODES Toshiba HCV 6KAU and HCV 6KALU vacuum contactors are designed and built in accor...

Страница 7: ...rty 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 888 723 4773 Web www clrwtr com Email info clrwtr com ...

Страница 8: ...l 11 Electrical Checks 11 OPERATION 12 Moving Contactor from the OFF to ON Position 12 Moving Contactor from the ON to OFF Position 12 Figure 5 Internal Configuration of Drive Unit 13 Figure 6 Internal Connection of the Normally Energized Type 13 Figure 7 Internal Connection of the Latched Type 14 Figure 8 Standard Operation Circuit of the Normally Energized Type 14 Figure 9 Standard Operation Cir...

Страница 9: ...m Check 22 Electrical Service Life 23 Mechanical Service Life 23 Figure 13 Wipe Measurement 23 Service Life Capacitor Switching 23 Table 4 Recommended Part Replacement Intervals 23 Figure 14 Capacitor Switching Life 23 STORAGE AND DISPOSAL 24 Storage 24 Inspection during Storage 24 Disposal SPECIFICATIONS 25 Table 5 Ratings 25 WARRANTY AND LIMITATION OF LIABILITY 26 Phone 800 894 0412 Fax 888 723 ...

Страница 10: ...c and or their English equivalent This manual is divided into major sections of interest as follows GENERAL DESCRIPTION Provides a description of the equipment information on major components and how they function plus rating information RECEIVING INSPECTION AND HANDLING Describes procedures for receiving unpacking inspecting handling lifting and moving the contactors INSTALLATION Provides informa...

Страница 11: ... Insulating frame 2 Vacuum bottle 3 Insulating flange 4 Armature 5 Auxiliary switch 6 Stopper 7 Drive unit Control circuit terminal block INDICATORS PROVIDED On Off Indicator Located on the front right side of the contactor Indicates if the contactor is OFF Green or ON Red When the indicator reads OFF the main contacts of the contactor are open When the indication is ON the main contacts are close...

Страница 12: ...oncealed damage 3 Check for the presence of accessories that are shipped with the contactor Contactor wear gauge Figure 2 4 Keep the contactor upright Never lay the contactor on its side or upside down This may cause damage File a claim with the carrier for any damaged or missing items and immediately notify the nearest Toshiba representative Do not install or energize equipment that has been dama...

Страница 13: ...any noticeable gaps between the contactor and the mounting surface fill them in using flat washers as spacers Fasten the contactor using four 4 M8 hex head bolts The tightening torque should be 120 150 kgf cm 9 11 ft lb See Table 1 for tightening torque specifications MAIN CIRCUIT CABLE CONNECTIONS Route cables that connect to the contactor to avoid interference with sharp edges and moving parts O...

Страница 14: ...uit wiring is connected to the contactor by means of a drive unit black plastic box located on the bottom frame Figure 4 Either AC or DC supply voltage may be connected to the drive unit The optional latched trip circuit uses DC as standard power When a latched contactor is operated using AC power it is recommended that a capacitor trip device be used The standard operating voltage for the control...

Страница 15: ...s guards and covers if removed Check for any loose connections and confirm that all wiring is correct per wiring diagrams A supply of spare parts should be established Instruction manuals and diagrams should be collected and filed ELECTRICAL CHECKS Electrical shock hazard Do not touch energized components during a test using auxiliary power An electrical insulation resistance test should be perfor...

Страница 16: ...check that the latch correctly engages and trips when the close trip signals are applied Also manually trip the contactor using the trip lever to verify proper operation MOVING THE CONTACTOR FROM THE ON TO THE OFF POSITION TO MOVE THE CONTACTOR TO THE OFF POSITION 1 Turn OFF circuit control power to move the contactor to the OFF position 2 Verify that the position indicator reads OFF Green Phone 8...

Страница 17: ...iliary Switch Drive Unit A1 A2 Closing Supply AC DC T4 T3 T2 T1 U V W R S T Vacuum Bottles 1 2 5 6 LEGEND 52 CC Closing Coil T1 T2 Terminal Block A1 A2 Closing Supply AC DC LEGEND 52 CC Closing Coil T1 T4 Terminal Block A1 A2 Closing Supply AC DC 52 CC T1 T2 SWITCHING TIMER POWER VOLTAGE DETECT A1 A2 OSCILLATION Phone 800 894 0412 Fax 888 723 4773 Web www clrwtr com Email info clrwtr com ...

Страница 18: ... t ch St op I nt erl ock CR Dr S Door Swi t ch St art I nt er l ock 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 1 0 0 1 1 0 V 2 0 0 2 2 0 V A C D C Auxili ary Switch Dri ve Uni t CR CR RL LEGEND 52 CC Closing Coil 52 TC Tripping Coil T1 T4 Terminal Block A1 A2 Closing Supply AC DC LEGEND 52 CC Closing Coil T1 T2 Terminal Block GL...

Страница 19: ...L CR Start Interlock Local Remote ON A2 A1 CR 11 15 14 13 12 21 25 24 23 22 VCTT GL 52 CC 52 CC T2 T1 ON 16 26 52 TC T3 D OFF 2E T4 Remote Operation Switch 1 0 0 1 1 0 V 2 0 0 2 2 0 V A C D C P U N V CTD CR Dri ve Unit RL LEGEND 52 CC Closing Coil T1 T2 Terminal Block GL Green Light RL Red Light A1 A2 Closing Supply AC DC LEGEND 52 CC Closing Coil 52 TC Tripping Coil T1 T4 Terminal Block GL Green ...

Страница 20: ...Contaminated insulators can allow a short circuit or ground fault to occur NOTE Refer to the SAFETY section of this manual for important information MAINTENANCE RECORD Keep a permanent record of all maintenance work At a minimum this record should include information on 1 Items inspected 2 Reports of any testing 3 Equipment condition 4 Corrective actions or adjustments 5 Date of work 6 Comments Th...

Страница 21: ...y 6 months 3 Periodic Inspection Inspection is performed with the contactor de energized The lubrication of sliding and rotating parts is checked and the mechanism is lubricated if needed Inspection Frequency Once every 1 2 years or every 20 000 operations normal NOTE Refer to Table 2 for the schedule of Periodic Inspections 4 Unscheduled Inspection Inspections are implemented as required Inspecti...

Страница 22: ...loration or damage Wipe with clean dry cloth Lubricate if necessary Smooth operation Visual inspection or touch Check lubrication Make sure moving parts operate smoothly Apply a small amount of lubrication Main Circuit Terminals and movable conductors Visual inspection Tighten using screwdriver or wrench Make sure there is no discoloration or loose fasteners Check the cause and repair Tighten conn...

Страница 23: ...r overheating and discoloration Replace if damaged Wiring Visual inspection Tighten using a screwdriver Check for discoloration and tightness Repair if disconnected Tighten if loose See Table 1 for tightening torque specifications Insulation Resistance Measure ment Resistance from main circuit to ground Measure insulation resistance between phases between electrodes and between circuits and ground...

Страница 24: ...f not normal check and repair If necessary replace faulty parts Table 3 Gap Wipe Standard Values contactor in new condition Parts Gap Wipe Allowable Wear Normally energized type 0 161 0 169 in 4 1 4 3 mm More than 0 094 in 2 4 mm 0 055 in 1 4 mm Vacuum Interrupter Latch type 0 161 0 169 in 4 1 4 3 mm More than 0 087 in 2 2 mm 0 047 in 1 2 mm a contact 0 157 0 016 in 4 0 4 mm 0 118 0 012 in 3 0 3 m...

Страница 25: ...nd normal contact spacing is extremely low and well below the maximum permitted by standards As an additional safety measure however it is recommended that all personnel keep at least 1 meter 3 3 ft away from the vacuum circuit breaker while this test is performed Radiation exposure hazard X rays may cause illness or injury Stay at least 1 meter 3 3 ft away from the circuit breaker during the vacu...

Страница 26: ...fficient vacuum level After the test is complete discharge any residual static charge from the primary terminals of the contactor If a vacuum checker or AC hi pot tester is not available a DC hi potential test may be conducted If a DC test is conducted the test voltage must be increased to 14kV DC The test duration for DC tests and the criteria for acceptance remain the same as for AC tests Do not...

Страница 27: ...d inspection and cleaning are recommended after the indicated number of operations Figure 13 Wipe Measurement SERVICE LIFE CAPACITOR SWITCHING Switching of capacitor loads produces severe conditions for contactors such as high frequency inrush current and phase to phase recovery voltage more than twice the normal voltage The criterion for the maximum number of capacitor current switching operation...

Страница 28: ...nspection is necessary if storage is for an extended period The unit should be checked for condensation moisture corrosion and vermin Prior to installation the contactor should be carefully examined for evidence of physical damage corrosion or other deterioration Refer to the PRE ENERGIZATION Section of this manual The MAINTENANCE section of this manual describes various types of inspections recom...

Страница 29: ...rent kA 5 76 close open 25 times Interrupting Current kA 7 2 close open 3 times Rated Insulation Level kV AC 22 Impulse 60 Rated Short Time Current kA 10 8 1 sec 4 3 30 sec Method of Operation Non latch Latch Mechanical Operation Million 1 0 2 Electrical Operation Million 0 2 Operational Voltage Standard 100 240V AC DC Auxiliary Switch 3 N O 3 N C 2 N O 2 N C Switching Frequency Times h 600 300 Ph...

Страница 30: ...RS AND USERS OF THE EQUIPMENT AND PARTS FOR BREACH OF THE FOREGOING WARRANTY THE COMPANY WILL HAVE NO OBLIGATIONS TO DISASSEMBLE ANY EQUIPMENT OR PART WHICH IS DEFECTIVE WITHIN THE TERMS OF THE ABOVE WARRANTY OR TO INSTALL ANY REPAIRED OR REPLACEMENT PART OR EQUIPMENT OR TO PAY ANY COSTS INCURRED IN CONNECTION WITH ANY SUCH DISASSEMBLY OR INSTALLATION THE COMPANY TOSHIBA CORPORATION AND THEIR SUPP...

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