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Type GWC Installation Instructions

KOD

3/97

Cooper Power Systems

Quality from
Cooper Industries

P.O. Box 1640, Waukesha, WI  53187
http://www.cooperpower.com/

©1997 Cooper Power Systems, Inc.
Kyle

®

is a registered trademark of Cooper Industries, Inc.

Printed on Recycled Paper

KA2048-126

!

SAFETY

FOR LIFE

Содержание GWC Series

Страница 1: ...straint 6 Response Time 6 Installation 7 Preliminary Checks 7 Lifting the Sectionalizer 7 Mounting the Sectionalizer 9 Mounting the Control 9 Grounding the Control 9 Control Cable 9 Auxiliary Power 9 Main Wiring 9 Interconnection Wiring Diagram 11 Interconnection Wiring Diagram Control 12 Accessories 13 Auxiliary Switch 13 Bushing Type Multi Ratio Current Transformers 14 Operating Instructions 14 ...

Страница 2: ...information is desired to satisfy a problem not covered sufficiently for the user s purpose please contact your Cooper Power Systems sales engineer SAFETY INFORMATION WARNING Follow all locally approved proce dures and safety practices when installing or operating this equipment Failure to comply may result in death severe personal injury and or equip ment damage G111 0 WARNING High voltage Contac...

Страница 3: ... upon the coordination scheme the sectionalizer will open during the first second and third open interval of the fault interrupting device to isolate per manent faults and confine outages to smaller sections of line The sectionalizer does not interrupt fault current but can be closed into a faulted line It opens during the open inter val of the backup device For this reason it must always be used ...

Страница 4: ...he OFF position this switch disables remote con trol but does not prevent automatic operations by means of the control panel switches An extra set of contacts on this switch can provide switch position information to the remote location 115Vac 5amp Breaker Switch In the ON position this switch energizes all 115Vac power to the control cabinet and the operating housing of the sectionalizer Manual C...

Страница 5: ...tays down and disables the closing circuit to block closing of the sectionalizer The lever must be returned manually to its UP position to re activate the closing circuit INDICATING DEVICES In addition to the contact position indicator lamps on the con trol panel a contact position indicator and an operations counter are located under the sleet hood on the mechanism operator cabinet The yellow con...

Страница 6: ...o values below phase or ground pickup levels Count Restraint The count restraint feature blocks the sectionalizer from generating a count pulse as long as 0 5 amps of load current flows through the sectionalizer Inrush Current Restraint The inrush current restraint feature blocks the phase and ground actuating levels for three seconds after current flow through the sectionalizer has been restored ...

Страница 7: ... approved safety practices when making hitches and lifting the equipment Lift the load smoothly and do not allow the load to shift This unit has two lifting lugs both must be used when lifting the sectionalizer Maximum strength is attained with a vertical lift attached to the lugs Use a spreader bar with a fixed attachment point for the hook at the load center If a sling is used it must have a fix...

Страница 8: ...Figure 7 Double size Cabinet Mounting Dimensions Figure 6 Standard Cabinet Mounting Dimensions Type GWC Installation Instructions 8 Figure 5 Type GWC Sectionalizer in KA146W3 Pole Mounting Hanger ...

Страница 9: ...vent repeated movement due to wind or other out side forces which can damage the cable AUXILIARY POWER All Type GWC sectionalizers require 120Vac auxiliary power to operate The 120Vac supply operates the spring charging motor the closing solenoid the battery charger and the voltage restraint circuit Auxiliary power connections and connections from remote operation are made on a 19 point terminal s...

Страница 10: ...e GWC Installation Instructions 10 INTERCONNECTION WIRING DIAGRAM Figures 10 and 11 show the interconnection wiring of both the sectionalizer and the sectionalizer control Figure 9 Main Wiring connections ...

Страница 11: ...MBLY VARISTOR CAPACITOR ASSEMBLY GREEN NO 1 NO 2 LS 3 3 NC 4 NC GND 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 GND S P M L F D C A G R N K H E B YELLOW ORANGE GREEN RED BLUE BROWN GVA 197C 2 NOTE CUT JUMPER 2 BLUE BROWN GREEN RED YELLOW ORG BLACK VIOLET G H B A D C F E WHITE WHITE WHITE BLACK BLACK BLACK A Ø B Ø C Ø YEL GROUND C Ø B Ø A Ø RED GROUND SENSING CURRENT TRANSFORMERS REF GWA 17B CONNECTOR PHAS...

Страница 12: ... 1 TB1 11 BRN 2 TB2 2 BRN TCB 5A CIRCUIT BREAKER Term To Color 1 TB1 6 RED 2 TB1 11 BRN BP BATTERY PLUG Term To Color BC 2 RED RES 2 BLK X TRANSFORMER 120 25 VAC Term To Color 1 VC A YEL 2 VC B GRN 3 BC 3 BRN 4 BC 4 WHT VC VOLTAGE CHARGING BOARD Term To Color A X 1 YEL B X 2 GRN C GND WHT D EC 18 ORG BC BATTERY CHARGER Term To Color 1 TB2 2 WHT 1 BC 4 WHT 2 TB1 17 RED 2 BP RED 3 TB1 10 BRN 3 X 3 B...

Страница 13: ...any cam position 1 Remove the auxiliary switch cover 2 Detach the switch from the switch link by removing the groove pin and C rings 3 Remove the machine screws attaching the assembly to the cabinet 4 With the switch removed unfasten the two hex nuts and lockwashers from the long machine screws that hold the switch sections together 5 Starting with the rear switch section lift the cams off the ope...

Страница 14: ...relay contact closes connecting the battery to a 24Vdc trip solenoid in the sectionalizer The trip solenoid breaks the toggle latch mechanism which releases the trip springs and opens the sectionalizer contacts The sectionalizer s opening operation closes a switch which connects 115Vac power to the motor The motor operates a gear reduction and lever mechanism to extend charge both the trip and clo...

Страница 15: ...upper right corner of the control cabinet A 120Vac battery charger provides a constant trickle charge to the battery Battery Connections When shipped from the factory the battery is discon nected from the control and its output connector is taped to the side of the battery Plug the connector into the mating receptacle located just below the battery to com plete the battery circuit Battery Check Th...

Страница 16: ...s monitor the conti nuity between test points C and D F and H If no conti nuity exists between either set of test points upon clos ing of the sectionalizer apply 6 amps of load current by closing switch S1 for 3 5 seconds Once continuity has been restored open S1 and proceed with the test proce dures Minimum Actuating Current The minimum actuating current can be verified by test ing at the 10 perc...

Страница 17: ...ous counts of overcurrents interrupted by downline protective devices by blocking the counting operation as long as a minimum of 0 5 amps of uninterrupted line current flows through the sectionalizer The operation of the count restraint can be verified by superimposing an interruptible overcurrent on a constant minimum line current The sectionalizer will not count or open on the interruption of th...

Страница 18: ... number of times The section alizer should open upon the third opening of S2 6 To verify the two counts to open setting set the COUNTS TO OPEN SELECTOR switch to 2 and repeat steps 3 through 5 The sectionalizer should open upon the second opening of S2 Count Reset The count reset feature resets the sectionalizer count to zero whenever current below the actuating level flows through the sectionaliz...

Страница 19: ...he appro priate value shown in Column A of Table 9 5 Release S2 to simulate a backup opening with only load current flowing through the sectionaliz er when current was interrupted The sectionaliz er should not open 6 Close S2 and in no more than three seconds adjust the test current to just below twice the appropriate value shown in Column A of Table 9 to simulate an inrush condition Release S2 Th...

Страница 20: ...Cooper Power Systems Quality from Cooper Industries P O Box 1640 Waukesha WI 53187 http www cooperpower com 1997 Cooper Power Systems Inc Kyle is a registered trademark of Cooper Industries Inc Printed on Recycled Paper KA2048 126 SAFETY FOR LIFE ...

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