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IB-5909

CONTENTS

UNLOADING AND HANDLING

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Indoor Installation. .

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Outdoor Installation .

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INSTALLATION OF HOUSINGS

General ... . . . .. . . . . . . . . . . . . . . . . . . . . . . .. . . . . .. ... . . . . . . . . . . . . . . . . . . . . . . . . .. . . . .. . . ...

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Preparation of Floor ... .. . . . . . .. . . .. ... .. .. . . . . . ..... . .. . . . . . . . . .. . ..... . . .. . . . . . . .. . . . .

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Assembling the Housings ... . . . .. . .. . .. . . ..... .... . ..... . ... . . . .. . . . . ... .. . ... .. . . . . . . . .

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Connections

Primary Cables . .... . . . .... . .. .. ..... ... . ... . .. ... ... . . . . . . . .. . . . . . . . . .... . ...... . .

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Ground Bus .... . .. . . . . .. . ... . .. ... . . . .. .. .. . ... . . .. . . . . . . . . . . . . . . . . . . . . .. . . .. ... .

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Control Source .. . . . . .. . . .. . .. . .. .. . . . . . . . . . . . . . . . . .. . . .. . . . ... . . . . . . . . . . . . . . . . . . .

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Bus Bar Between Groups

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Testing ... . . . . . . . . . . .. . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . .

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Final Inspection . . . . . . . . . . .. . . .. . . . . . . . . . .. . . . . . ... . . . . . . . . . . . . . . . . . . . . . .. . . .. . . . . . . . . .

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STANDARD CONSTRUCTION

Shutters .. . . . . . . . . . . . . . . . . . . . . . . . .. ... . . .. ... . . . . . .... . .. . .. . . ... . .. . . . . ... ... . . . . .. . .

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Bus Insulation ... .. . . . . . . . . . .. . .. .. ...... ..... ........ . . ... . . . .. . . . .. . . . . . .. ... .. . . . .. .

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Primary Disconnecting Device .... . .. .. .. ... .... . ....... .. . . . . . . . . .. . .. .. . . . . . . . . . . . . . .. .

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Secondary Disconnecting Devices .. . .. . .. ... ........ . ..... ... . . . . . . . . .. . . . . .. . .. ... . ... . .

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Ground Bus and Contacts ... . . . . . . .... .. .. . ................. .. . .. . .. .. . . . . . . .. . .. . . . . .

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Control Wires . . . . . . . . . .. . . . .. . . . . ... ...... ............... ..... . . .. . . . .. . .. .. ... . .. .. .

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5HV-75, 5HV-150 AND 5HV-250

CIRCUIT BREAKERS

General.... . . . .. . . . . . . . . . ... . . ... . . .... ................ . ... .. . ... . .. . . . .... . .. . ... . . .

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Installation and Removing from Housing....

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SHV -350 CIRCUIT BREAKER

Installation and Removing from Housing. .

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HOW TO PUT THE SWITCHGEAR IN SERVICE

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14

Safety Precautions . .

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Procedure . .

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Summary of Contents for 5HV-150

Page 1: ...PE 5HV 75 5HV 150 5HV 250 AND 5HV 350 METAL CLAD SWITCHGEAR 1 t i t I 5000 VOLT 1200 2000 AND 3000 AMPERE i 1 i x rt i y t l l 1 T E CIRCUIT BREAKER COMPANY PHILADELPHIA 30 PENNSYLVANIA PRINTED IN U S A 7 59 2M w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 2: ... Inspection 7 STANDARD CONSTRUCTION Shutters 7 Bus Insulation 8 Primary Disconnecting Device 8 Secondary Disconnecting Devices 8 Ground Bus and Contacts 9 Control Wires 9 5HV 75 5HV 150 AND 5HV 250 CIRCUIT BREAKERS General 9 Installation and Removing from Housing 10 SHV 350 CIRCUIT BREAKER Installation and Removing from Housing 13 HOW TO PUT THE SWITCHGEAR IN SERVICE General 14 Safety Precautions ...

Page 3: ... once The 1 T E Circuit Breaker Company is not re sponsible for damage after delivery of shipment to the carrier However if the company is notified of such claims it will furnish forms to facilitate securing any adjustments If damage to the ship ment indicates rough handling claim for damage should be filed at once with the carrier and the I T E Circuit Breaker Company promptly notified The switch...

Page 4: ... Switchgear Raised Rollers and Channels in Place Prior to Lateral Moving Fig 2 Switchgear Lowered on Rollers Prior to Moving Onto Track Timber Fig 4 Method oF Applying Rollers as Switchgear Progresses Onto Track Timber Fig 6 Jaclcs Removed and Switchgear Ready For Lateral Moving V _ ii J ff jFfft tl _ w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 5: ... the lower flange of the sill be shimmed to proper height Temporary bolts should be inserted in all tapped holes while grouting to prevent filling or damage to the threads Where necessary power and secondary con trol conduits should be installed before the in stallation of the housings Available space for the conduits is given on the floor plan accompanying each order These conduits should not ext...

Page 6: ...f the pothead with wiping sleeve the lead sheath should extend into the pot head for one inch minimum bell over the end of 6 the sheath and add a stress relief cone if required Clean the sheath about three inches beyond the end of the cone and apply stearine flux to end of the cone and the sheatlt Wipe the joint in the usual manner On inverted potheads the lead sheath should be extended down into ...

Page 7: ...AS POTENTIAL IB 5909 TRANSFORMERS ARE CONNECTED DURING THE TESTS 4 Check continuity of all circuits A great deal of this work can be done after the circuit breakers are installed by energizing the control source and operating the equipment with the main circuit dead Indicating instruments check the continuity of current transformer and potential transformer circuits after the main circuit is energ...

Page 8: ...ing Device fingers tends to increase the contact pressure dur ing a short circuit All contact finger springs are outside the current path The stationary disconnecting device is rigidly mounted in an insulating molding of cylindrical shape located within the main bus housing See Fig 8 For the SHV 350 housing the disconnecting device is similar but mounted in a molding of rectangular outline SECONDA...

Page 9: ...ERATING positions Inserting the crank in the center hole and turning to the limit in the counter clockwise direction moves the pointer and racking bar from the connected OPERATING position out to the RACKED OUT position Turn ing the crank to the limit in the clockwise direction moves the pointer and the racking bar on the breaker into the connected position The maintenance handle is used to close ...

Page 10: ...I w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 11: ... the drawout handle back the breaker into the housing so that the guide bar on the breaker enters the guide slot in the housing Push breaker toward rear until breaker reaches the floor stop which latches it in the TEST position IO Fig 13 5HV 150 and 5HV 250 Racking and Indicator Assembly Unlock Position If it is desired to test the breaker for operation electrically and manually before putting it ...

Page 12: ...w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 13: ...ed OPERATING position Fig 18 REMOVING 5HV 150 AND 5HV 250 BREAKER FROM HOUSING 1 Trip breaker by means of the control switch on front of housing IB 5909 Fig 15 Manually Closing Circuit Breaker While in Test Position 2 Open door insert crank and rack breaker Fig 17 to RACKED OUT position as indicated by pointer on breaker nameplate If it is desired to remove the breaker completely from the housing ...

Page 14: ...w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 15: ...w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 16: ...r fo Raclced Oul Position 1 t Fig 18 Circuit Brealcer in Fully Connected Position 12 Fig 17 Racking in Circuit Brealcer to Fully Conneded Position i Fig 19 Pu ling Out Circuit Breaker from Housing w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 17: ...ease lever and rack the breaker to the OPERATING position as shown in Fig 21 IB 5909 Fig 21 Raclcing in SHV 350 Breaker to Fully Connected Position REMOVING 5HV 350 BREAKER FROM HOUSING 1 Trip the breaker by means of the control switch 2 Open the compartment door insert the rack ing rod push down on the racking release lever and rack the circuit breaker out to the rEST position as indicated by the...

Page 18: ... J w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

Page 19: ...ave been placed in the test position Close all doors to the switchgear as a safety measure Those breakers necessary to energize the main bus should be moved to the connected position and closed Observe undervoltage relays or other devices that should function properly when the main bus is energized Next move each circuit breaker in turn to the connected position and close Method explained under IN...

Page 20: ...w w w E l e c t r i c a l P a r t M a n u a l s c o m ...

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