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ABB R Series Instructions Manual
ABB R Series Instructions Manual

ABB R Series Instructions Manual

Vacuum circuit breaker
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Type
R, 15 kV, 2000
Amp
I.B.
38-921-19
Instructions
for
Vacuum
Circuit
Breaker
ABB
Power
T&D Company
Inc.

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Summary of Contents for ABB R Series

  • Page 1 Type R, 15 kV, 2000 I.B. 38-921-19 Instructions Vacuum Circuit Breaker Power T&D Company Inc.
  • Page 2 If further information is desired by purchaser regarding his particular installation, operation or maintenance of his equipment, the local ABB representative should be contacted.
  • Page 3 IN WHICH SERVICE, WHETHER automatically open and reclose the circuit. When equipped RECOMMENDED BY ABB, MIGHT BE DONE OR OF with the reclosing relay, the breaker will cycle as many as POSSIBLE HAZARDOUS CONSEQUENCES four times before automatically locking open. A service visit...
  • Page 4 TERMINAL CONNECTORS, EXERCISE CARE carrier, supported with paid freight bill, inspection report, THAT HOOKS CHAIN DAMAGE and invoice. The local ABB Sales Office should be notified. PORCELAIN BUSHING INSULATORS. Receiving Inspection Storage Upon receipt, it is important to inspect promptly to be...
  • Page 5 GENERAL DESCRIPTION CAUTION: PRIOR SHIPMENT, SHORTING SCREWS The Type R Vacuum Circuit Breaker is made up of three PLACED IN THE TERMINAL BLOCKS WHICH basic sections: The high voltage compartment, the low CURRENT TRANSFORMERS CONNECTED. voltage or control compartment, mounting THESE SHORTING SCREWS...
  • Page 6 Heaters Low Voltage Compartment This compartment contains the control panel and mechanism Heaters are continuously energized or thermostatically to operate the vacuum interrupters. (Figures 4 & 7). controlled to prevent the condensation of moisture inside the mechanism compartment. When specified, extra Mechanism heaters, or thermostat control can be supplied.
  • Page 7 Breaker Control Switch STANDARD PRODUCTION TESTS Standard production tests, made in accordance with ANSI The breaker control switch allows an operator to manually Standard C37.09-1979, include. open or close the interrupters by electrical means. Verification of components. Panel Lights Verification of BCT's, style number, polarity, ratios, and connections.
  • Page 8 overpotential test of 900 volts AC to ground. Motor-Driven Operation of Charging Closing The terminal block connections are given an Springs overpotential test of 1500 volts, AC to ground. When power is applied to the motor, its roller (41) drives BCT terminals (with secondaries...
  • Page 9 drive lever (84), causing the crankshaft drive to close the the preceding paragraph; however, such opening action breaker. The closing operation also compresses does not open the manual lockout switch. opening springs (85). During rotation, the drive plates move Trip Free Operation away from the ratchet wheel pin.
  • Page 10 If the springs are discharged, the motor will immed- Device 52/TC). The breaker opens, and 52/TC drops out. iately run, charging the closing springs, and cutting off If the breaker is tripped manually, this action opens the the motor through the MCO Switch (28).
  • Page 11 PERMANENT INSTALLATION should be clean and bright. Control and Secondary Wiring Location and Mounting CAUTION The Vacuum Breaker should be located so that it is readily CONSULT NAMEPLATE, SCHEMATIC, AND CONNEC- accessible for manual operation inspection. TION DIAGRAMS FOR PROPER VOLTAGE SOURCE.
  • Page 12 generally not required. See Lubrication page 12. Front and rear covers of the high voltage compartment should be in place during testing and test personnel Terminal connections should be securely tightened. should be at least one meter away from the phase being tested.
  • Page 13 b) With the breaker open. Remove "X" washer from Figure 16) is measured and recorded on the interrupter hinge pin (106, Fig. 16). To remove hinge pin, pull nameplate (Figure 17). As the contact is eroded away this out on the contact block (1 03, Fig. 16) until pin (106) K dimension decreases by an amount equal to the amount can be removed.
  • Page 14 Lubrication Tighten the contact block just enough to be able to pull ABB recommends the use of Moly 33 for any lubrication out on the contact block with the interrupter's stem. required on the mechanism. See Figures 19, 20 & 21 of...
  • Page 15 Figure 1. Type R Vacuum Circuit Breaker...
  • Page 16 Pull Rod Assembly Overtravel Spring Operating Lever (2) Moving Stem End Support Bracket Vaccum Interrupter Fixed Bracket Bushing Assembly (2JPhase) Pivot Bracket 100. Flexible Shunt Figure 2. Mechanical Arrangement Bushing Current Transformer Current I urn Secondary Transformer Style 4599B46A01 Ratio Tops caco Accuracy Class...
  • Page 17 Figure 4. Mechanism and Compartment Detail, Rear View Motor Latch Check Switch push to Close Bar Right Hand Closing Spring Spring Charge In"cator Menual Charge Device Manual Trip Device Figure 5b. Mechanism Details, Cover Removed, Figure 5a. Mechanism Front View Front View...
  • Page 18 Type Vacuum Circuit Breaker eowz. 1.00 —tat. csvu.J List Triam Range Figure 6. Breaker Master Nameplate Figure 7. Typical Example of a Control Panel...
  • Page 19 Oscillator 1. Shunt Trip coil (IEEE Device 52/TC) Crankshaft Trip Shaft 16. Manual Charge Device Trip Latch Constraining Link Crankarm (2) Trip Latch Closing Spring (2) Close Closing Spring Anchor Stop Roller Manual Trip Lever Spring Release Latch Spring Release Device (IEEE Device 52/CC) 22.
  • Page 20 4.10 30 31 2. Trip Shaft Spring Charge Indicator Close Motor Cut-off Switch Lever Oscillator Pawl 28. Motor Cut-off Switch (MCO) Ratchet Wheel Ratchet Bushing 11. Hold Pawl Oscillator Bushing Spacer (3) Drive Plate Oscillator Stop Bracket Crankshaft Thrust Bearing and Races Manual Charge Device 35.
  • Page 21 ooooooooo a) Spring Charged Main cam position for this crank shaft position is shown in Fig. 23a Note: Pawl Lifter Oscillator 5. Close Oscillator Spring 9. Oscillator Pawl Crank Shaft Ratchet Wheel 10. Ratchet Wheel Crank Motor Crank Roller Closing Spring (2) Hold Pawl Oscillator...
  • Page 22 Ratchet Wheel Hold Pawl 13. Manual Charge Pawl Manual Charge Device Manual Charge Handle Stop Bracket Figure 11. Details of Manual Charge Device...
  • Page 23 30. Oscillator Bushing 5. Close 52. Precision Spacer (3) 10. Ratchet Wheel 53. Ratchet Bushing 12. Drive Plate 54. Bearing Race (2) 14. Oscillator 55. Thrust Bearing 15. Crankshaft 56. Charge Device Return Spring 16. Manual Charge Device 57. Spring Retainer 17.
  • Page 24 64 RECLOSER O PEN RECLOSER CLOSED a) Close Bar (Normal Position) b) Close Bar (Released Position) Stop Roller Spring Release Latch Link Spring Release Latch 61. Spring Release Latch Link Pin 8. Spring Release Device (IEEE Device 52/CC) "Push to Close" Bell Crank Pivot...
  • Page 25 a) Mechanism Open—Springs b) Mechanism Closed—Springs Discharged Discharged (Trip Latch Not Reset) c) Mechanism Closed—Springs Charged aa) Trip Latch Held bb) Trip Latch Released 2. Trip Shaft 3. Trip Latch Constraining Link d) Trip Shaft Latch Details 4. Trip Latch 46.
  • Page 26 2000 COSTNER ser----aos,rw Aux. r_LÆ SViTCH *RES svarcH svlrck xn----wræ svrrcg CCü----æo-wo reps surce sv:rcH a CRETN utArs em.vrs ceco tERNfMALS ceco Figure 15. Typical Breaker Schematic Diagram...
  • Page 27 71 09 OVERTRAVEL .312 .4J7 CONTACT TRAVEL 100. Flexible Shunt 106. Hinge Pin 88. Overtravel Spring 89. Operating Lever (2) 103. Contact Block 107. Contact Block Bolt 92. Support Bracket 104. Interrupter Stem 108. Contact Block 93. Vacuum Interrupter Adjusting Bolt 109.
  • Page 28 ABB Power T&D Company Inc. PERMISSIBLE TRAVELLIMITS .312 IN. TO PART 270P285H01 BLOOMINGTON, IN U.S.A. Figure 17. Travel Limit Nameplate 1. Shunt Trip Coil (IEEE Device 52/'TC) 2. Trip Shaft 4. Trip Latch Latch Check Switch (IEEE Device 52/LC) 66. Adjustment Screw 105.
  • Page 29 4. Curve Surface of Trip Latch 17. Spring Pin of Crankarm Figure 19. Lubrication Points: Left Side of Mechanism 17. Spring Pins of Crank Arm (2) Figure 20. Lubrication Points: Right Side of Mechanism...
  • Page 30 2. End Bearings of Trip Shaft Figure 21. Lubrication Points: Trip Shaft...