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with  the  wiring  diagrams  applying  to  the  installa­

tion.  The secondary and control connections for all 

outgoing  connections  are  wired  to  terminal  blocks 

accessible  to  the  conduit  connections. 

Control  connections  between  housings  are  pro­

vided  through  openings  in  the  side  sheets  of  the 

switchgear.  When  shipment  is  made  in  groups  of 

several  units  each,  the  cross connections between 

groups  are  installed  at  the  factory,  one  end  of 

each  of  the  group  connectors  is  then  disconnected 

and  tagged.  Care  should  be  taken  to  insure  that 

all  these connections  between groups are  securely 

remade  when  the  groups  are  placed  together 

again. 

INSTALLATION  OF  BUS  BAR 
CONNECTION  BETWEEN  GROUPS 

The main bus  in  each group  is  assembled  in  the 

factory  complete,  ending  at  the  tap  connections 

located  at  either  end  of  the  group.  Sections  of 
�ain  bus  for  connection  between  groups  are  pro­

VIded  for  installation  in  the  field. 

All  contact  surfaces  at  all  bolted  joints  in  the 

bus  are  silver  plated.  These  contact  surfaces 

shou

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be  cleaned  and  then  bolted  together.  Con­

ductiVIty  of  a  bolted  or  clamped  joint  depends 

upon  the  pressure  applied.  The  contact  surfaces 

may  be  cleaned  by  first  rubbing  lightly  with  fine 

steel  wool,  then  wiping  with  cloth  saturated  with 

carbon  tetrachloride.  Take  care  not  to  remove 

silver  plating. 

After  bolting  the  sections  of  the  main  bus  at 

junction  point  of  shipment  groups,  insulate  the 

connections  by  taping  or  installing  a  molded  box 

over  the  joint. 

For  instructions  on  taping  see  section  titled 

"Assembling  the  Housing." 

TESTING  AND  INSPECTION 

With the  housings  erected,  assembled,  and  con­

nected,  observe  the  following  precautions: 

l. 

Remove  all  extraneous  matter  and  see  that 

all  internal  parts  are  free  of  dirt,  grease,  and 

moisture.  If  moisture  has  penetrated,  dry  out  with 

air  or  heat. 

2. 

Remove  any  blocks  in  relays  used  for  pro­

tection  in  shipment. 

3. 

Apply  potential  tests  to  check  for  any  dam­

aged  insulation. 

60  CYCLE,  RMS,  WITHSTAND  VOLTAGES 

(1 MINUTE) 

Rated 

Factory  Test 

Field  Test 

60  volts 

500 volts 

375  volts 

61  to  220  volts 

1500  volts 

1100  volts 

221  to  600  volts 

2200  volts 

1650  volts 

4160  volts 

19,000  volts 

14,600  volts 

MCAUTION:  IF  PHASE  TO  PHASE  TESTS  ARE 

ADE  IN  ADDITION  TO  PHASE  TO  GROUND 

TEST,  CARE  MUST  BE  TAKEN  THAT  NO  SHUNT 

CONNECTED  CO�LS  SUCH  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  energized. 

5. 

Set  all  relays,  regulators,  and  other  devices 

for  proper  operation  of  loads.  Remove  current 

transformer  short  circuiting  strips.  No  relays  are 

set  at the factory. 

6. 

If finish  has  been marred during shipment  or 

installation,  apply  touch-up  paint  (which  may  be 

secured from the factory). 

IMPORTANT:  PROPER  PHASING  OF  ALL 

MAIN  CIRCUITS  SHOULD  BE  CHECKED  AC­

CORDING  TO  DIAGRAM. 

FINAL  INSPECTION 

After the switchgear together with the  apparatus 

which  it  is  to  control  has  been  installed  and  all 

interconnections  made,  it  should  be  given  a  final 

check  and  test  before being  put  into  service.  This 

is necessary to insure that the equipment has  been 

correctly  installed  and  that  all  connections  are 

completed.  Extreme  care  must  be  exercised  to 

prevent the equipment to be controlled from being 

connected  to  the  system  while  the  preliminary 

tests  are  being  conducted. 

If  disconnecting  switches  are  not  part  of  the 

apparatus  or  switchgear,  the  line  leads  should 

be  disconnected  to  accomplish  this.  The  testing 

equipment  required  will  depend  entirely  on  the 

type  of  installation.  Portable  voltmeters  both  a-c 

and  d-e  with  a  wide  range  of  scales  will  usually 

be required.  If the equipment to be put into service 

is  quite  extensive  and  complicated,  both  a-c  and 

d-e  ammeters  should  be  available  in 

c.:-c 

�e  unex-

pected trouble  develops. 

· 

Some simple portable device for ringing or light­

ing  out  circuits  should  be  included  in  the  testing 
equipment. 

STANDARD  CONSTRUCTION 

SHUTTERS 

Shutter  arrangement  shown  in  Fig. 

is  the 

means 

?f 

covering  the  live  terminals  of  the  pri­

mary  ctrcuit  of  the  switchgear  when  the  circuit 

breaker  is  removed from the  housing. 

The  shutters  open  when  the  circuit  breaker  is 

installed  in  the  housing.  The  breaker  going  into 
the  housing  engages  the arms connected  to  one  of 

the  shutters,  and  actuates  it,  opening  the  shutters 

as  the  element  continues  into  the  housing  toward 

the  "RACKED-OUT"  position. 

Check  shutter  operation  by  actuating  both  arms 

connected  to  the  shutters  to  see  that  they  do  not 

bind. 

,, 

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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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