Related Manuals for FEDERAL PIONEER H-3
Summary of Contents for FEDERAL PIONEER H-3
- Page 1 C-3-222-1 April 2000 INSTRUCTIONS FOR THE CARE AND MAINTENANCE OF H-3 AND HL-3 CIRCUIT BREAKERS Courtesy of NationalSwitchgear.com...
- Page 2 BEFORE PLACING AN H-3 OR HL-3 AIR CIRCUIT BREAKER IN SERVICE, READ SECTIONS 1 THROUGH 6 OF THIS INSTRUCTION MANUAL COMPLETELY AND PERFORM THE PRE-SERVICE INSPECTION (SEE SECTION 6). THE PROPER INSTALLATION, MAINTENANCE AND OPERATION OF THESE BREAKERS IS A PRIME SAFETY CONSIDERATION FOR THE PROTECTION OF PERSONNEL AND EQUIPMENT.
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Page 3: Table Of Contents
CONTENTS 1. GENERAL DESCRIPTION 6. PRESERVICE INSPECTION 2. RECEIVING - HANDLING - STORAGE - INSTALLATION 7. BASIC BREAKER MAINTENANCE 2.1 RECEIVING 7.1 MAINTENANCE REQUIREMENTS 2.2 HANDLING BASIC MAINTENANCE PROCEDURE 2.3 STORAGE 8. DETAILED MAINTENANCE INSTRUCTIONS 2.4 MOUNTING 2.5 POWER TERMINAL CONNECTIONS 8.1 CLOSING LINKAGE ECCENTRIC ADJUSTMENT 2.6 SECONDARY CONTROL CIRCUITS 8.2 CLOSE LATCH ADJUSTMENT... -
Page 4: General Description
MECHANISM, THAT IS THE BREAKER MECHANISM 2.4 MOUNTING IS "TRIP-FREE". H-3 AND HL-3 CIRCUIT BREAKERS SHOULD BE MOUNTED IN HIGH SPEED BREAKER CLOSING OPERATION IS ACHIEVED SHEET STEEL ENCLOSURES IN ACCORDANCE WITH RECOMMENDED THROUGH THE RELEASE OF A PRE-CHARGED (STORED ENERGY TYPE) DIMENSIONS. -
Page 5: Power Terminal Connections
2.5 POWER TERMINAL CONNECTIONS THE H-3 POWER TERMINALS ARE PLATED FOR MAXIMUM JOINT EFFICIENCY AND CABLE OR BUS CONNECTORS MUST BE CLEAN AND FREE FROM DENTS OR BURRS, AND BOLTED SECURELY TO THE TERMINALS. POOR JOINTS LEAD TO OVERHEATING, SUBSEOUENT CONTACT DETERIORATION, AND AN EVENTUAL FAILURE. -
Page 7: Cradle Sectional View
3.2 CRADLE SECTIONAL VIEW 1. DRAWOUT RAILS (FOLDED UP) 2. BACKPAN 3. MAIN POWER STABS 4. MAIN POWER TERMINALS 5. MAIN TERMINAL MOULDINGS 6. SECONDARY DRAWOUT CONTACTS (FIXED) 7. GROUND STAB 3.3 BREAKER FACEPLATE AND CONTROLS FIG. 3.3.1 FACEPLATE FOR MANUALLY OPERATED (M.O.) UNIT FIG. -
Page 8: Drawout Mechanism - Breaker Insertion And Removal
4.1 DRAWOUT MECHANISM - BREAKER INSERTION AND REMOVAL THE THREE POSITIONS OF A DRAWOUT MOUNTED BREAKER ARE SHOWN BELOW. FIG. 4.1.1 DISCONNECTED POSITON - THE CRADLE/BREAKER DRAWOUT MECHANISM IS DISENGAGED - ALL CONTACTS ARE DISENGAGED FIG 4.1.2 TEST POSITION - DRAWOUT MECHANISM IS ENGAGED, BREAKER IS MECHANICALLY SECURED IN CRADLE - GROUND CONTACTS ENGAGED - "TEST POSITON"... -
Page 9: Grounding Contact
FIG. 4.1.4 DRAWOUT MECHANISM GATE CRANK SOCKET DRAWOUT LEVER BUSHINGS CRADLE DRAWOUT SLOTS TO REMOVE A BREAKER, THE PROCEDURE IS JUST THE TO OPERATE THE DRAWOUT MECHANISM, THE GATE 1S OPPOSITE TO THE ABOVE. BEFORE INSERTING THE DRAWOUT LOWERED TO EXPOSE THE CRANK SOCKET, AND THE DRAWOUT CRANK, REFER TO SECTION 4.8 TO AVOID UNNECESSARY DRY RUNS. -
Page 10: Breaker Closing
FIG. 4.3 SECONDARY CONTROL CONTACTS. 1. MOVING (BREAKER MOUNTED) SECONDARY CONTACT ASSEMBLY 2. FIXED (CRADLE MOUNTED) SECONDARY CONTACT ASSEMBLY 3. SEPARATE "TEST POSITION" CONTACT 4. SEPARATE "OPERATING, POSITION" CONTACT 5. "TEST" AND "OPERATING" CONTACTS WITH JUMPER. 4.4 BREAKER CLOSING BEFORE ATTEMPTING TO CLOSE A BREAKER, MAKE SURE ALL ELECTRICAL AND MECHANICAL CLOSING INTERLOCKS ARE IN THE RESET POSITION. -
Page 11: Closing Manually Operated Breaker
4.5 CLOSING MANUALLY OPERATED BREAKER 4.7 MFCHANICAL CLOSING INTERLOCKS AND PADLOCKING BREAKERS MAY BE EQUIPPED WITH MECHANICAL DEVICES TO CHARGE THE MAIN SPRING, ROTATE THE CHARGING HANDLE WHICH TRIP THE BREAKER AND PREVENT THE CONTACTS FROM COUNTER CLOCKWISE TO THE UPRIGHT POSITION AND PUSH IN TO BEING RECLOSED UNTIL THESE DEVICES HAVE BEEN RESET. -
Page 13: Rejection Feature
4.11 FAULT PROTECTION A REJECTION FEATURE IS PROVIDED ON ALL BREAKERS. IT TYPE H-3 AND HL-3 BREAKERS ARE SUPPLIED WITH THE TYPE PREVENTS ENTRY OF A BREAKER INTO A CRADLE Of THE SAME WIDTH USD SOLID STATE OVERCURRENT RELAY AS A STANDARD FEATURE. -
Page 14: Fuse Mounting
4.13 ANTI-SINGLE-PHASE DEVICE AND BLOWN FUSE INDICATOR 4.12 FUSE MOUNTING AN ANTI-SINGLE-PHASE DEVICE AND BLOWN FUSE INDICATOR IS SUPPLIED ON ALL HL-3 -BREAKERS. IT CONSISTS Of THREE ALL HL-3 CIRCUIT BREAKERS IN FRAME SIZES UP TO AND SOLENOIDS, ONE WIRED IN PARALLEL WITH EACH FUSE. DURING INCLUDING 4000 AMPS HAVE PROVISION FOR MOUNTING NEMA CLASS NORMAL OPERATION, THE SOLENOID IS SHORTED OUT BY THE FUSE L HRC FUSES, MOUNTED ON THE LINE SIDE ON A FRAME EXTENSION... -
Page 15: Shunt Trip Coil
4.15 AUXILIARY SWITCH CIRCUIT REMAINS ENERGIZED. (MAINTAINED AUTOMATIC CONTROL CONTACT, ETC.). ON ALL H-3 UNITS A MULTI-SECTION ROTARY TYPE AUXILIARY FOR BREAKERS CONTROLLED BY LONG TIME OR SWITCH CAN BE PROVIDED (FIG. 4.4. 1, ITEM 1 3). IT IS COUPLED... -
Page 16: Spring Limit Switch (Sls)
BY A CAM LOCATED ON THE REAR OF THE CRANK ASSEMBLY. AS SHOULD THE BREAKER BE TRIPPED BEFORE THE CLOSE CIRCUIT THE CRANK PASSES THROUGH TOP-DEAD-CENTRE AND THE HAS BEEN DE-ENERGIZED, SPRING RECHARGING FUNCTION AND RATCHET WHEEL BEARING APPROACHES THE CLOSE LATCH, THE CONSEQUENTLY BREAKER CLOSING IS BLOCKED. -
Page 17: Optional Components
OPTIONAL COMPONENTS 5.3 ANTIPUMP RELAY 5.1 MECHANICAL OPERATIONS COUNTER BREAKERS CONTROLLED BY LONG TIME OR PERMANENTLY MAINTAINED CLOSE CONTACTS INCORPORATE TWO CLOSE COIL (CC) A FIVE DIGIT MECHANICAL COUNTER CAN BE SUPPLIED, LIMIT SWITCHES AND AN ANTIPUMP RELAY (A.P.R.). WHEN THE MOUNTED IN THE FACEPLATE Of THE BREAKER (FIG. -
Page 18: Safety Interlock Switch (Sls)
THE UNDERVOLTAGE TRIP IS MOUNTED ON THE LEFT HAND A SPECIAL USD RELAY TRIP COIL IS INSTALLED WITH THIS MECHANISM SIDEPLATE AND ACTS DIRECTLY ON THE BREAKER'S DEVICE, ALONG WITH A SPRING OPERATED MECHANISM LINKING THE LEFT TRIP SHAFT LEVER. TRIP COIL WITH THE MANUAL RESET BUTTON ON THE BREAKER FACEPLATE. -
Page 19: Mechanical Interlock
INTERLOCK IS ONLY FUNCTIONAL WHEN THE BREAKER IS IN THE "OPERATING" POSITION. MECHANICAL INTERLOCK MECHANICAL INTERLOCKS ARE AVAILABLE ON ALL H-3 BREAKER FRAME SIZES (EXCEPT FOR 14 INCH SIZE). THEY ARE USED TO MECHANICALLY INTERLOCK BREAKERS IN A TRANSFER SCHEME. -
Page 20: Shutters
FIG. 5.10.2 SHUTTERS - OPEN POSITION LINE SIDE CONTACT STAB FIG. 5.9.2 CRADLE PORTION OF MECHANICAL INTERLOCK LOAD SIDE CONTACT STAB INTERLOCK BRACKET ASSEMBLY CABLES TO OTHER CRADLE 6. PRE-SERVICE INSPECTION 5.10 SHUTTERS THE FOLLOWING ITEMS SHOULD BE SPECIFICALLY CHECKED SHUTTERS ARE AVAIIABLE ON MOST FRAME SIZES Of BREAKERS BEFORE A BREAKER IS PLACED IN SERVICE OR THE CONTROL CIRCUIT TO COVER BOTH LINE AND LOAD MAIN CONTACT STABS INSIDE THE... - Page 21 6.6 FOR FIXED MOUNTED BREAKERS ONLY: REMOVE EMERGENCY OPERATING HANDLE FROM ELECTRICALLY OPERATED BREAKERS. CLOSE BREAKER COMPARTMENT DOOR. ENERGIZE ONLY BREAKER CONTROL SOURCE(S) IF SEPARATE CONTROL POWER IS PROVIDED, OR MAIN POWER SOURCE IF USED FOR CONTROL POWER AS WELL. FOR THE LATTER, ISOLATE THE LOAD IF POSSIBLE.
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Page 22: Basic Breaker Maintenance
13. CHECK CLOSING MECHANISM TOGGLE 7.1 MAINTENANCE REOUIREMENTS 14. CHECK DIFFERENTIAL 15. CHECK DEFLECTION TYPE H-3 AND HL-3 BREAKERS SHOULD UNDERGO SYSTEMATIC 16. CHECK AND OPERATE CONTROL AND TRIP DEVICES INSPECTION, LUBRICATION AND SERVICING AT THE FOLLOWING 17. REASSEMBLE INTERVALS: 18. - Page 23 BEFORE REMOVING THE FACEPLATE, HOOK THE UPPER AND LOWER SPRINGS OVER THE FLOATING TRIM. THIS WILL RETAIN THE FLOATING TRIM WHEN THE FACEPLATE IS REMOVED. ONCE THE FACEPLATE HAS BEEN REMOVED, PULL THE FLOATING TRIM OFF AND REMOVE THE BOX ASSEMBLY. No FURTHER DISASSEMBLY IS REQUIRED FOR NORMAL MAINTENANCE.
- Page 24 INDEPENDENTLY AND EACH HAS EVEN SPRING PRESSURE. LOOK FOR CLOSE LEVER PIVOT. SIGNS OF OVERHEATING ON THE INSULATING SPACERS BETWEEN HOLDING PAWL PIVOT. WAFERS, ON THE WAFER SPRINGS AND ON THE MOLDED SPRING DRAWOUT MECHANISM. HOLDERS. THRUST BEARINGS ON THE DRAWOUT SCREW SHAFT. DRAWOUT GATE PIVOT.
- Page 25 FIG. 7.3.12.4 MANUALLY OPERATED BREAKER LUBRICATION FIG. 7.3.12.2 TOP VIEW LUBRICATION FIG. 7.3.12.3 DRAWOUT MECHANISM LUBRICATION FIG. 7.3.12.5 ELECTRICALLY OPERATED BREAKER LUBRICATION Courtesy of NationalSwitchgear.com...
- Page 26 14. CHECK DIFFERENTIAL AS THE MOVING CONTACT CLOSES, THE ARCING CONTACTS TOUCH FIRST. AT THIS POINT, THE UPPER CAP BETWEEN THE MAIN CONTACTS IS TERMED CONTACT DIFFERENTIAL. AS THE MOVING CONTACT CONTINUES, THE ARCING CONTACT BRACKET ROTATES TO BEGIN COMPRESSING THE WAFER SPRINGS. AFTER THE MAIN CONTACTS HAVE TOUCHED, THE FRAME OF THE MOVING CONTACT CONTINUES TO MOVE.
- Page 27 IF DEFLECTION IS BELOW THE RANGE SPECIFIED, IT MAY BE INCREASED BY ADDING SHIMS TO THE CLOSING LINK. LOOSEN THE TWO BOLTS, INSERT A SHIM AND RETIGHTEN THE BOLTS FIRMLY. NOW, CHECK THAT THE TOGGLE PIN IS STILL AGAINST THE STOPS IN THE CLOSED POSITION AND REDO THE DEFLECTION READINGS IN THE CLOSED POSITION.
- Page 28 17. REASSEMBLE AFTER CHECKING FOR ANY PARTS OR TOOLS LEFT IN THE BREAKER, BEGIN REASSEMBLING. REMOUNT THE BOX, FLOATING TRIM AND FACEPLATE. BEFORE FULLY TIGHTENING THE FACEPLATE SCREWS CHECK THAT THE INDICATORS AND VARIOUS OPERATING BUTTONS MOVE FREELY. IF THE BREAKER IS EQUIPPED WITH A DOOR INTERLOCK, BE SURE THAT THE OPERATING LEVER INSIDE THE BOX IS POSITIONED IN FRONT OF THE OPERATING PIN ON THE MANUAL TRIP BUTTON AND CHECK ITS OPERATION AFTER THE BOX IS MOUNTED.
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Page 29: Detailed Maintenance Instructions
8 DETAILED MAINTENANCE INSTRUCTIONS 8.1 CLOSING LINKAGE ECCENTRIC ADJUSTMENT DURING THE CLOSING STROKE OF THE BREAKER, THE FORCE OF THE CLOSING SPRING IS TRANSFERRING TO THE CLOSING MECHANISM. IT THEN MOVES THE BREAKER CONTACTS TO THE CLOSED POSITION AND DRIVES THE CLOSING LINKAGE INTO A TOGGLED POSITION THEREBY POSITIVELY LOCKING CONTACTS IN CLOSED POSITION. -
Page 30: Trip Latch Adjustment
TURNING THE STOPSCREW (ITEM 4) ADJUST THE CLOSE LATCH HEIGHT UNTIL THERE IS APPROXIMATELY 1/32 INCH (0.8 MM) CLEARANCE BETWEEN THE SPACER AND THE NOSE OF THE CLOSE LATCH. HOLD THE STOPSCREW SECURELY WITH THE ALLEN WRENCH WHILE TIGHTENING THE LOCKNUT. REFERRING TO FIGURE 8.2.2, THE ADJUSTMENT PROCEDURE FOR THE LOWER STOP SCREW IS AS FOLLOWS. -
Page 31: Drawout Gate Interlock
NOTE: WHENEVER THIS ADJUSTMENT IS MADE THE FOLLOWING TO CHECK PROPER OPERATION OF GATE INTERLOCK MECHANISM, CHARGE CLOSING SPRING, THEN PUSH DOWN GATE. THIS MUST BE CHECKED IF PRESENT ON THE BREAKER: ACTION MUST RESULT IN SPRING DISCHARGE WHEN GATE IS DRAWOUT GATE INTERLOCK LEVER ECCENTRIC ADJUSTMENT APPROXIMATELY HALF WAY OPEN (AND BEFORE DRAWOUT CRANK ON DRAWOUT BREAKERS. -
Page 32: Undervoltage Trip Device
THE STRIKER AS REOUIRED TO PROVIDE A GAP OF APPROXIMATELY 5/16 INCH (8-MM) BETWEEN THE STRIKER AND THE TRIP SHAFT LEVER. TIGHTEN THE LOCKNUT FIRMLY. A VERNIER TIME ADJUSTMENT IN THE FORM OF AN ECCENTRIC IS PROVIDED FOR FINE AJUSTMENT, INDEPENDENT OF THE SCALE SETTING. -
Page 33: Maintenance Accessories And Spare Parts
PART NUMBER 26G-542 FOR 600, 800, 1600 AND 2000 AMPERE 21 " FRAME H - 3 PART NUMBER 26C-151 FOR 3000, 3200 AND 4000 AMPERE H-3 PART NUMBER 26G-601 FOR 600, 800, 1600 AND 2000 AMPERE HL- 3 PART NUMBER 26G-603 FOR 3000 AND 4000 AMPERE HL-3 FIG. - Page 34 9.2 SPARE PARTS SERVICE DEPARTMENTS BY THE NATURE OF ITS APPLICATION AND ITS SWITCHING 133 lLSLEY AVENUE CAPABILITY SPARE PARTS FOR THE CIRCUIT BREAKER SHOULD UNIT M NORMALLY NOT BE REQUIRED. IF THE UNIT IS GOING TO BE USED FOR DARTMOUTH, NOVA SCOTIA FREQUENT LOAD SWITCHING, THEN THE PARTS SHOWN ON THE B3B 1S9...
- Page 35 TABLE 9.2 RECOMMENDED SPARE PARTS LIST - TYPE H3 DRAW OUT BREAKER 30H3 (21") 42H3 (21") 50H3 (21") 50H3 (21") Qty. per Item No. Spare Part Description 600/800 600/800 1600 2000 Breaker Centre Stationary Main Contact 49E-577 49E-577 49E-550 49E-550 Lower Stationayr Main Contact (Drawout) 271A-584 271A-584...