Siemens-Allis FC-10008, Instructions Manual

Page 1: ...gear INSTRUCTIONS TYPE FC 10008 15 kV 1200 2000 3000 AMP AIR MAGNETIC CIRCUIT BREAKER WITH STORED ENERGY OPERATOR TYPE 515 3 Supplement to 18X 10700 18X10695 October 1979 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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Page 3: ... Contacts 32 Transfer Tips 32 Disconnect Arm Hinge Joint 32 Arc Chutes and Transfer Stacks 33 Mechanism Stoted Energy Operator 33 Lubrication 33 Air Puffers 33 Shock Absorbers 35 As Left Tests 36 ILLUSTRATIONS Fig 1 Fig 2 Fig 2A Fig 3 Fig 4 Fig 5 Fig 6 Fig 7 Fig 8 Fig 9 Fig 10 Fig llA Fig llB Fig llC Fig llD Fig llE Fig 12 Circuit Breaker Handling Instructions 1 Typical Circuit Breaker Assemblies ...

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Page 5: ...ted on each side of breaker C Place ramp pieces in front of the pallet in line with breaker wheels and nail to pallet as shown by arrows in D Slowly roll breaker off pallet E F CAUTION Remove packaging Breakers are shipped in closed position with the trip rod and foot lever enclosed by packaging to prevent opening during shipment A341930 78 D A341931 78 A341933 78 G A341925 7B Figure 1 Circuit Bre...

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Page 7: ...s Found tests are desirable see page 31 CIRCUIT BREAKER PREPARATION Prepare the circuit breaker for Insertion into its cubicle as follows 1 Remove packaging 2 NOTE Breakers are shipped in closed position with the trip rod and foot lever enclosed by packaging to prevent opening during shipment refer to Figure 1 2 Push manual trip rod to open breaker 3 Remove phase barriers see Phase Barrier AI semb...

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Page 9: ...TERLOCK PLUNGER 18 SHOCK ABSORBER 11 I I I I I I J i FRONT VIEW DETAIL A SHIELD 19 SEE DETAIL A FOOT PEDAL 12 GROUND FINGER 13 Figure 2 Typical Circuit Breaker Assembly FC 10008 3 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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Page 11: ...3 BARRIER STACK PARTIALLY IN I 1 ARC CHUTE SUPPORT A342699 79 Figure 2A Arc Chute Support in Position 4 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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Page 13: ...us de energized rack breaker into Cully connected position Close and trip breaker from main control panel If bus or line are energized get clearance before beginning this step 29 20 Lock out Key interlock if provided and repeat step 10 again 21 Open interlock and repeat steps 10 and 11 22 Breaker is now ready for normal operation Breaker is trip free and should not close Breaker will close 25 Figu...

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Page 15: ...but not with the same springs used for closing A stored energy operator consists of three systems spring charging drive cam and ratchet assembly and the four bar toggle linkage Figure 4 A D These systems are disengaged 6 from each other except while performing their specific functions For example the spring charging drive and cam ratchet assembly are disengaged except when the cam ratchet arrangem...

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Page 17: ... BREAKER CONTACTS OPEN SPRING CHARGED C TRIP LATCH e F IXEO PIVOTS 0 MOV I NG CENTERS I i CLOSING LATCH CLOSING SPRING BREAKER CONTACTS OPEN SPRING DISCHARGED B FIXED PIVOTS 0 MOVING CENTE CLOS I NG LATCH CLOSING SPRING BREAKER CONTACTS CLOSED SPRINGS CHARGED 0 Figure 4 Sequence of Operation 1 y FOUR BAR LINKAGE 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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Page 19: ...ure 8 17 which is designated 52TC on the schematic of Figure 9 The trip solenoid Is energized by operation of the circuit breaker control switch and the protective relays which are mounted on the switchgear 8 ARC CHUTE ASSEMBLY Each arc chute Figure 6 consists of a flame retardant envelope which provides phase isolation for interruption and venting of the by product gases of interruption The arc c...

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Page 21: ...rc chutes VENT COV ER 9 I I NOTE After arc chutes have been tilted back to their normal position make sure that all screws have been replaced and tightened securely on all pha s before pha barriers are replaced Also ensurethat blowoutcoils have been reconnected SCREW 13 t SIDE PLATE 7 I I I I I I I I I I I I I SIDE PLATE 7 INSULATOR I 7 I I COl L CONNECTOR a ARC RUNNER 1 STATIONARY ENOl I I I Figu...

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Page 23: ...erated breakers can be tripped manually by depressing the trip rod 15 Figure 2 or electrically by energizing the trip circuit 10 This rotates the latch that allows the closing linkage to collapse and reset Closing Breaker When the springs of a stored energy operated breaker are fully charged it can be closed by pulling the manual close pull rod 21 Figure 7 or elec trically by energizing the closin...

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Page 25: ...7 Figure 7 until the links are in a reset position and allow 11 ing latch rollers 20 Figure 7 to be positioned in front of trip latch 18 Figure 7 See Figure 4 for sequence of operation RECLOSING CONTROL Optional For Reclosing Appli cations Only The electronic solid state time delay module works in concert with the trip latch sensor system The time delay module consists of U1 electronic timer and a...

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Page 27: ... depressed The close latch check switch is closed when the close latch 9 Figure 3 is in the reset position The 88 switches are shown with the closing springs discharged When the control Is energized the motor starts to charge the springs The 88 switch is operated by a roll pin striker 37 Figure 3 mounted in the ratchet wheel 4 Figures 3 and 16 As the ratchet wheel and drive blocks charge the sprin...

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Page 29: ... 15 4 7 I I I I_ Figure 8 515 3 Operator Front View 13 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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Page 31: ...CH CHECK SWITCH TLC TRIP LATCH CHECK SWITCH CSC CONTROL SWITCH CLOSE CONTACT CST CONTROL SWITCH TRIP CONTACT A RED INDICATING LAMP G GREEN INDICATING LAMP a AUX SWITCH OPEN WHEN BR KR IS OPEN b AUX SWITCH CLOSED WHEN 8R KR IS OPEN OPTIONAL ITEMS FOR RECLOSING APPLICATIONS ONLY 52 l Y I Y 14 I I I I ___ _ ___ j SENSOR Figure 9 Control Scheme for Stored Energy Operator 14 I _ ___ w w w E l e c t r i...

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Page 33: ...ck Figures 19 preventS manual charging of the breaker if the close latch is not adequately reset A linkage attached by a clevis to the close latch extends down the side of the breaker frame to the driving pawl mechanism An extension of the interlock linkage passes above the driving pawl constant force return spring If the close latch fails to return to a fully reset position the linkage extension ...

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Page 35: ...r phase Install front barrier 7 and rear barrier 3 OUTER BARRIER R I B LATERAL SUPPORT 4 starting at the bottom and work up to the top to insure interphase barriers 1 are in slots Bolt down loosely the lateral supports 5 with screws 6 Insert outer barriers 8 from the top of the front 7 and rear 4 barriers and drop in the siot with their ribs facing the breaker nghten screws 6 of lateral supports 5...

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Page 37: ...ck 17 34 with one hand to prevent it from falling down while the sideplate support 33 is being taken out To install the transfer stack 34 follow the reverse order of above CONTACT ALIGNMENT AND REPLACEMENT The main and arcing contacts are an Integral part of bushing assemblies and are carefully aligned with upper and lower bushings before shipment Nonnally no further ad justment Is necessary The p...

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Page 39: ... 12 LOCK NUT VIEW A A BREAKER LATCHED LOWER BUSHING ASSEMBLV 3 CONTACT 73 RADIUS ARM WASHERS Figure 11A 7 ARC RUNNER 1 9INSULATION IJ 8 ARC RUNNER 0 0 16 SCREW Figure 118 18 14 Z2 DISCONNECT ARM L H I JOOOA ONLY 10NUT n 5 SCREW 12 SPRING J 18 SCREW V Z1SHIM 15 DISCONNECT ARM A H 23 DISCONNECT ARM R H 3000A ONLYl 19COTTERPIN 6 WASHER 20 WASHER 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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Page 41: ...ED Figure T TC 5 STATIONARY CONTACT TRANSFER TIP 7 SCREW 3 CONTACT IL BLOCK DIRECTION OF ADJUSTMENT Figure 11D 19 4 ARCING CONTACT 3 CONTACT FINGER 30 INNER SPRING 21 PIN 12 SPRI NG 4 TI P OF MOVABLE CONTACT BOTTOM LINE OF TRANSFER TIP 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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Page 43: ...mension a between the tertiary contacts and apply a C clamp bearing on rear of block 8 Figure llC and front movable contact 3 Figure llB Adjust clamp to dimension b With contacts held in this position move two plates 10 Figure llC back so that pins 16 are touching leading end of plate slots Tighten eight screws 22 drill and insert pin to 20 retain adjustment Remove spacer clamp and reconnect conta...

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Page 45: ...n 18 Figure 3 The foot lever can be padlocked by matching holes in the breaker frame with those in the lever ann In the padlocked position the foot lever will be halfway down the breaker will be trip free the interlock plunger will be between 2 and 2 1 4 inches 50 8 57 2 mm from the floor line and will hold the breaker in any of the three positions within the cubicle TRIP LATCH ADJUSTMENTS Trip La...

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Page 47: ...LOWER TRIP L I N K Figure 13 Trip Latch Clearance Ad justment 22 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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Page 49: ...RI N K T U B I NG A S SHOWN L IGHT E M ITTING DIODE Dl D E LAY MODULE MAG N E T ACTUATOR The magnetically operated Hall effect switch sensor and actuating magnet are to be preassembled to the opera tor The unit can be adjusted by advancing the threaded bushing through the tapped hole in shaft until a gap of 040 to 000 015 inches 1 02 00 38 mm is achieved between the surface of the switch and the t...

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Page 51: ... breaker contacts may be slowly closed for checking contact align ment 24 CAUTION MAINTAIN A FI RM GRIP ON CRANK As the contacts will close in increments determined by the teeth on the ratchet wheel springback will occur between tooth positions REMOVAL OF SPRING BLOCKING DEVICE To remove the closing spring blocking device Figure 16 the closing spring must be fully charged The spring may be charged...

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Page 53: ... BLOCKING DEVICE MUST B E DIAGONALLY IN SEATED TO CLEAR B R EAKER FRAME __ J_ SPR ING BLOCKING DEVICE IN CORRECT POSITION FOR I NSERTION 340066 SPR ING B LOCKING DEVICE IN PLACE READY FOR CLOS lNG SPRING R ELEASE Figure 15 Maintenance Close Spring Blocking Device Insertion 25 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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Page 55: ...t with the rollpin striker Lock switch as sembly in this position 188 MOTOR CUTO F F SWI TCH 1 0 Check lateral movement of actuator Lateral play at end of actuator tip should be no more than 1 16 1 6 mm maximum If adjustment is necessary snug pivot screw to just bind actuator and then back off 1 16 to 1 8 tum Rotate ratchet and cam assembly to insure actuator rides in gap between ratchet and cam w...

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Page 57: ...m block is to be inserted between the actuating roller and floor The curved rods upper yoke is nested against a forward roll pin in the closing latch and the lower clevis is adjusted to insure the closing latch will not move more 27 than 1 16 Inches 1 6 mm as measured between adjusting screw and latch surface when the 5 16 7 94 mm drill Is removed Overtravel Figure 19 no adjustment required Check ...

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Page 59: ...leased and the adjusting cap shifted until the effective length of the link supports the plunger within the indicated range MAINTENANCE AND TE dTING GENERAL Thorough periodic inspection Is important to satis factory operation Inspection and maintenance frequency depends on installation site weather and atmospheric conditions experience of operating personnel and special operation requirements Beca...

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Page 61: ... OF FRAME LATCH B I T E 0 LATCH A DJUST M E N T SCR EW 1 331 AOJUSTM ENT _ _ SCR EW 331 JAM NUT 1 341 CLOSE LATCH 191 1 32 I AT PO INT O F __ SW ITCH OPERAT I O N Figure 18 Close Latch Bite and Check Switch Ad justments 29 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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Page 63: ...0 Adjust to 1 0 5 8 1 32 FA 350 FC 1 000 Adjust to 1 2 112 1 32 SPRING DISCf iARGE ACTUATING ROLLER 24 CLOSE LATCH B ITE ADJUSTMENT fUl SCREW 33 cfi 5 16 3121 DRILL ROD CLOSE ADJUSTMENT DEVICES Overtravel 3 1 25 Trip 2 906 F ree Height 2 565 02 03 Figure 19 Closing Spring Discharge Mechanism 1 1 w E l e c t r i c a l P a r t M a n u a l s c ...

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Page 65: ...L POSITION AGAIN ROTATE ECCENTRIC DRIVE SHAFT THE TIP OF THE DRIVE PAWL SHOULD ENGAGE THE FULL FACE OF EACH RATCHET TOOTH A CLEARANCE OF 030 BETWEEN THE BASE OF TH E TOOTH THE ENGAGED TIP OF THE DRIVE PAWL GU I DE BUSHINGS DRI V I NG PAWL 21 RATCHET WH EEL 41 ADJUSTI NG NUT A SEE PAGE 271 Figure 20 Close Latch Mechanical Interlock 31 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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Page 67: ...ecking penetration refer to page 20 Procedure B Tertiary contacts act intermediately between main and arcing contacts upon contact separation They assist current transfer from the mains to arcing contacts On the magnetic blowout air circuit breaker the arc is quickly removed from the arcing contacts by magnetic forces and transferred to arc runners in the arc chute Fig ure 6 The arcing contacts ar...

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Page 69: ...tness The satisfactory operation of each switch element should be assured with a continuity meter and manual manipulation of the switching element and adjusted if necessary Verify that operation of Close Latch Mechanical Interlock is proper refer to page 31 and Figure 20 33 After 5000 operations the operating mechanism should be given a general overhaul and all worn parts replaced Excessive wear w...

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Page 71: ...DE VIEW A VIEW B FRONT VIEW A I I _ J _ VIEW C Figure 21 Lubrication Points on Frame and Operator View A Drive Assembly View BJ and Linkage Assembly View CJ I c E l e c t r i c a l P a r t M a n u a l s c ...

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Page 73: ... collapse The platen and its linkqe should be checked for freedom of movement and wear The bellows should be inspected for holes or obvious leakage D The airoutput from the puffer nozzle may be checked with the arc chutes tilted refer to Tilting Arc Chutes page 17 and Figure 2A Crush a 4 1 2 x 4 1 2 1nch 115 x 115 mm sheet of tissue paper place it in the nozzle opening and check to see that it is ...

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Page 75: ...ircuit breaker closed check phase to phase and each phase to ground b A dielectric test on secondary and control units should be made at 1200 volts 36 c If desired contact resistance testsil8Jl be made using a Ductor d Make a permanent record of all tests per formed e Compare with prior tests see As Found Tests on page 31 16 Inspect the primary disconnect contact finger assemblies 9 Figure 2 The m...

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Page 77: ... EEDLE BEARINGS NO LUBRICATION REQU I RED CLEAN PER INSTRUCTIONS AND REPACK WITH BEACON P 325 G DRY PIVOT POINTS NO LUBRICATION REQU I RED NO LUBR ICATION REQUIRED H PRIMARY AN D SECONDARY DIS WIPE CLEAN AND APPLY A F I LM OF SIEMENS ALLIS CONTACT CONNECT F I NGERS ARCING LUBRICANT 1 5 171 370 002 CONTACT HINGE GROUNDING CONTACT AND AUXI LIARY SWITCH CONTACTS I ARCING CONTACTS DO NOT LUBRICATE DO ...

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