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Courtesy of NationalSwitchgear.com

Summary of Contents for ADVAC

Page 1: ...N M A I N T E N A N C E I N S T R U C T I O N S Medium Voltage Vacuum Power Circuit Breakers ADVAC Hi 9 0 0 if O All ADVAC ciost OPH t 0 0 9 Q ci D o A lilt mm ABB Power T D Company Inc Distribution S...

Page 2: ...ontrol Scheme 12 14 15 17 18 MAINTENANCE 20 Mechanism 20 Truck 22 Control 23 Primary Circuit TROUBLE SHOOTING GUIDE 23 29 POST ORDER SERVICE 30 These instructions do not purport to cover all details o...

Page 3: ...C breakers are protective devices As such they are maximum rated devices Therefore they should not under any circumstances be applied outside of their nameplate ratings WARNING WARNING WARNING WARNING...

Page 4: ...aker DO NOT work on a breaker unless all components are disconnected by means of a visible break and securely grounded DO NOT work on a breaker with power supplied to the secondary control circuit DO...

Page 5: ...damaged or missing parts should accompany the claim Handling ADVAC circuit breaker shipping containers are designed to be handled by fork lift If the container must be skidded for any distance it is p...

Page 6: ...Cell Interlock Tabs with Circuit Breaker Compartment Slots A 5 Push Handles out to fully engage Cell Interlock Tabs into Circuit Breaker Compartment Slots A Visually check that Cell Interlock Tabs ar...

Page 7: ...charged Indicator shows DISCHARGED C Verify Motor Disconnect Switch OFF The motor will charge when the secondaries engage if the switch is ON 2 Four 4 revolutions 40mm will move the breaker between th...

Page 8: ...LE CLOSE PUSH BUTTON 10 2 CELL INTERLOCK TAB OPEN PUSH BUTTON 11 3 TRUCK CLOSE OPEN INDICATOR 12 4 WHEEL CHARGING PAWL 13 5 CHARGED DISCHARGED INDICATOR POLE ASSEMBLY 14 6 PRIMARY CONTACT 15 RACKING S...

Page 9: ...B IB 6 2 13 7 1 DESCRIPTION DESCRIPTION SECONDARY DISCONNECTS D COMPARTMENT SLOTS A WHEEL RAILS E GROUND BAR B SHUTTERS F CODE PLATE C Figure 2 Breaker Compartment FIELD NOTES Courtesy of NationalSwi...

Page 10: ...L CONNECT RELEASE LEVER INTERFERENCE BLOCKING PREVENTS INSERTION RELEASE LEVER RELEASE LEVER Interlocks BREAKER OPEN POSITION RELEASE LEVER ACTUATED BREAKER OPEN POSITION RELEASE LEVER ACTUATED BREAKE...

Page 11: ...A IIli m ip 1 IB 6 2 13 7 1 1 ALLY B NK K l T i IS PAGE I i J s FIELD NOTES Courtesy of NationalSwitchgear com...

Page 12: ...e Trigger A Close Trigger releases Stop Disk 9 through a series of linkages B The Closing Spring rotates Main Shaft 12 270 C The Cams 8 fixed on Main Shaft actuate Rocker Arms for each pole Rocker Arm...

Page 13: ...E MOVING CONTACT 14 3 AUXILIARY SHAFT CONTACT SPRINGS 15 4 AUXILIARY CONTACT PUSH ROD 16 5 MOTOR LIMIT SWITCH OPENING SPRING 17 6 CLOSE PUSHBUTTON ROCKER ARM 18 7 HALF SHAFT CAM 19 8 CLOSING TRIGGER S...

Page 14: ...slots POSITIVE POSITION FOR REMOVAL The handle release pin prevents withdrawing the breaker from the compartment by blocking withdrawal of the locking tabs The handle release pin blocks the handles u...

Page 15: ...ing Pawl 5 3 Charge breaker by up and down motions approximately 25 times A Closing Spring completely charged Charge handle has free movement Closing Spring Charged Discharged Indicator changes to CHA...

Page 16: ...O C O operation is desired A Recharge the breaker after step 5 Steps 3 4 B Breaker now ready to perform O C O Steps 6 5 6 Closing Spring Charged Discharged Indicator will remain CHARGED after first Op...

Page 17: ...to perform C 0 operation 3 Close breaker using manual close push button or by electrical signal to the rotary close coil after close operation the motor charges unless control power is removed A Clos...

Page 18: ...b Closed 2 Upon available control power A Motor Disconnect Switch ON B Secondary engaged C Motor charges through 33Lsb 3 Closing spring charged A 33Lsa closes B 33Lsb opens removing control power to m...

Page 19: ...tion Close operation complete Main spring discharged 33Lsb closed Opening springs charged Compression Springs charged Main Spring Charged 33lsb open Start of Opening Operation Open operation complete...

Page 20: ...sition in a cell Always have the breaker in the disconnect test or connected position Mechanism Refer to Fig 5a 5b The mechanism requires visual inspection of hardware lubrication and operation during...

Page 21: ...A llll MIPII IB 6 2 13 7 1 1 FIELD NOTES Courtesy of NationalSwitchgear com...

Page 22: ...en any missing or loose hardware With the breaker outside the cell rotate the racking screw as though racking the breaker to the connect position This process will expose surfaces inside the truck tha...

Page 23: ...ncrease the potential to the required insulation test voltage 1125VAC RMS 7 Hold for one minute 8 Reduce potential to zero and turn off machine A successful withstand indicates satisfactory insulation...

Page 24: ...turn off machine 6 Repeat for the remaining poles A successful withstand indicates satisfactory insulation strength of the primary circuit WARNING WARNING WARNINGS WARNING THE INTERNAL SHIELD OF A VAC...

Page 25: ...ot let the peak DC voltage exceed the peak of the corresponding AC RMS test voltage while using a DC high potential machine Dielectric Test Value 1 Minute Dry rms kV Rated Maximum Voltage kV rms 4 76...

Page 26: ...TRIP COIL LONGER THAN PULSE DURATION AUXILIARY FIGURE 7 SCHEMATIC STANDARD WIRING FUNCTION DEVICE 27 Undervoltage Spring Charge Position Switch 33 AC Circuit Breaker 52 Spring Charging Motor 88 Umit...

Page 27: ...O CC aO CO p i CC 0 o O SOLID STATE CONTROL DEVICE LJ o 50 D j LJ c o o rs O a CM iSI CO 0 a a ID o rs CM M CC a 0 a O rd J o z u n ID co SI o o o c Oi CM c 2 9 CM n CC n SI O o n _ o p H D o I CM iN...

Page 28: ...3 03 TOO 208 7 4 701 4 4 5 I gig 5 9 5 6 10 6 9 6 I 816 01 P 7 85 7 OPEN 7 10 8 852 9 TOT B 15 2 CIRCUIT AKEP CONTACT SWITCH S2 3 209 9 16 9 555 2 2 3 JJ 208 5 10 ID 51 0 856 2ND OPEN RECTIFIER PF3 30...

Page 29: ...ng View OPEN CLOSE Indicator Rack into Disconnect Test or Connect Position Verify control power available Check close solenoid Check for loose wiring Closing spring not charged Breaker already closed...

Page 30: ...CE RENEWAL PARTS 8am to 4 30pm M F EST Call 1 800 929 SWGR 1 407 323 8220 Ext 131 Fax 1 407 321 2759 ABB Power T D Company Inc Distribution Systems Division Division Headquarters Switchgear Systems IE...

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