Eaton W-VACi 12 kV User Manual
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Eaton W-VACi 12 kV User Manual

Eaton W-VACi 12 kV User Manual

Iec vacuum circuit breakers
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W-VACi 12 / 17.5 / 24 kV IEC Vacuum Circuit Breakers

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Summary of Contents for Eaton W-VACi 12 kV

  • Page 1 User manual W-VACi W-VACi 12 / 17.5 / 24 kV IEC Vacuum Circuit Breakers...
  • Page 2 65A7355H01 November 2011 www.eaton.com...

  • Page 3: Table Of Contents

    Circuit Breaker Interaction with Switchgear ..................47 5.10 IEC Standard Interlocks ......................... 48 5.11 UX Switchgear Door Interlocks ...................... 48 5.12 Electromagnetic Interlocks ......................48 5.13 Unique OEM Interlocks ........................48 Operation ..........................49 Encapsulated Pole Units ........................49 65A7355H01 November 2011 www.eaton.com...
  • Page 4 Ordering Instructions .......................... 64 Standard accessories ......................... 64 Optional accessories .......................... 67 Appendix ..........................69 12 / 17.5 / 24 kV W–VACi Vacuum Circuit Breaker Operational Check List ........69 W–VACi Vacuum Circuit Breaker Equipment Check List ..............70 65A7355H01 November 2011 www.eaton.com...

  • Page 5: Safety

     Do not use a withdrawable circuit breaker by itself as the only mean of isolating a high voltage circuit, remove the circuit breaker to the DISCONNECT POSITION and follow correct lock-out and tagging 65A7355H01 November 2011 www.eaton.com...

  • Page 6: Product Summary

     repair of the breaker are to be carried out by or under 38 kV x 1.28 = 48.64 kV the approval of Eaton. Information with respect to  Lightning impulse withstand voltage equal to: these operations is, therefore, not included in this 95 kV x 1.28 = 121.60 kV...

  • Page 7: Technical Parameters 12 Kv W-Vaci Iec Circuit Breaker

    Cycle Rated Lighting Impulse Rated Withstand Voltage(U Insulation Rated Power Frequency Level Withstand Voltage(U Operating Sequence O-0.3s-CO-15s-CO Classification E2-M2-S1 Testing configurations available upon request : 20K operations can be achieved on the 12kV, 25 kA Breaker 65A7355H01 November 2011 www.eaton.com...
  • Page 8 Cycle Rated Lighting Impulse Rated Withstand Voltage(U Insulation Rated Power Frequency Level Withstand Voltage(U Operating Sequence O-0.3s-CO-15s-CO Classification E2-M2-S1 Testing configurations available upon request : 20K operations can be achieved on the 12kV, 25 kA Breaker 65A7355H01 November 2011 www.eaton.com...

  • Page 9: Technical Parameters 17.5 Kv W-Vaci Iec Circuit Breaker

    Electrical Endurance Cycle Rated Lighting Impulse Withstand Voltage(U Rated Insulation Level Rated Power Frequency Withstand Voltage(U Operating Sequence O-0.3s-CO-15s-CO Classification E2-M2-S1 Testing configurations available upon request 20K operations can be achieved on the 12kV, 25kA Breaker 65A7355H01 November 2011 www.eaton.com...
  • Page 10 Electrical Endurance Cycle Rated Lighting Impulse Rated Withstand Voltage(U Insulation Rated Power Frequency Level Withstand Voltage(U Operating Sequence O-0.3s-CO-15s-CO Classification E2-M2-S1 Testing configurations available upon request 20K operations can be achieved on the 12kV, 25kA Breaker 65A7355H01 November 2011 www.eaton.com...

  • Page 11: Technical Parameters 24 Kv W-Vaci Iec Circuit Breaker

    Pole to Pole Spacing (Center to Center) Upper to Lower Terminal Spacing Mechanical Endurance Cycle Electrical Endurance Cycle Rated Power Frequency Withstand Rated Insulation Voltage(U Level Rated Lighting Impulse Withstand Voltage(U Operating Sequence O-0.3s-CO-15s-CO Classification E2-M2-S1 Testing configurations available upon request 65A7355H01 November 2011 www.eaton.com...

  • Page 12: Operating Conditions

    Breaker Description 12kV/17.5kV/24 kV RATED VOLTAGE (kV) IDENTIFICATION W-VACi or W-VACiR WITHDRAWABLE (W-VACi) OR FIXED(W-VACiR) VACUUM CIRCUIT BREAKER 20/25/26.3/31.5/40/50 RATED SHORT CIRCUIT BREAKING CURRENT (kA) 630/800/1250/1600/2000 NORMAL CURRENT (A) 150/210/275 POLE SPACING (mm) Fig. 2-1: Breaker Description 65A7355H01 November 2011 www.eaton.com...

  • Page 13: Outline And Dimensions

    31.5 17.5W-3 17.5F-3 2000 31.5 17.5W-3 17.5F-3 3150 31.5 17.5W-4 17.5F-4 1250 17.5W-3 17.5F-3 1600 17.5W-3 17.5F-3 2000 17.5W-3 17.5F-3 3150 17.5W-4 17.5F-4 24W-1 24F-1 24W-1 24F-1 1600 24W-2 24F-2 2000 24W-2 24F-2 2500 24W-3 24F-3 65A7355H01 November 2011 www.eaton.com...
  • Page 14 All Dimensions are in millimeters Fig. 2-2: 12kV Withdrawable W-VACi Circuit Breaker Frame 12W-1 Applicable Ratings Breaking Normal Voltage Current Current 12kV 25kA 630A 12kV 26.3kA 630A 65A7355H01 November 2011 www.eaton.com...
  • Page 15 All Dimensions are in millimeters Fig. 2-3: 12kV Withdrawable W-VACi Circuit Breaker Frame 12W-2 Applicable Ratings Breaking Voltage Normal Current Current 25kA 630A 800A 12kV 26.3kA 630A 800A 31.5kA 630A 800A 1250A 65A7355H01 November 2011 www.eaton.com...
  • Page 16 Applicable Ratings Breaking Voltage Normal Current Current 25kA 1600A 2000A 26.3kA 1600A 2000A 12kV 31.5kA 1600A 2000A 40kA 1250A 1600A 2000A These ratings do not use a heat sink These ratings do use a heat sink 65A7355H01 November 2011 www.eaton.com...
  • Page 17 Figure 2- 5: 12kV Withdrawable W-VACi Circuit Breaker Frame 12W-4 Applicable Ratings Breaking Normal Voltage Current Current 25kA 3150A 26.3kA 3150A 12kV 31.5kA 3150A 40kA 3150A These ratings do use a heat sink 65A7355H01 November 2011 www.eaton.com...
  • Page 18 All Dimensions are in millimeters Fig. 2-6: 17.5 kV Withdrawable W-VACi Circuit Breaker Frame 17.5W-1 Applicable Ratings Breaking Normal Voltage Current Current 17.5kV 25kA 630A 65A7355H01 November 2011 www.eaton.com...
  • Page 19 All Dimensions are in millimeters Fig. 2-7: 17.5 kV Withdrawable W-VACi Circuit Breaker Frame 17.5W-2 Applicable Ratings Breaking Voltage Normal Current Current 25kA 630A 800A 17.5kV 31.5kA 630A 800A 1250A 65A7355H01 November 2011 www.eaton.com...
  • Page 20 Fig. 2-8: 17.5 kV Withdrawable W-VACi Circuit Breaker Frame 17.5W-3 Applicable Ratings Breaking Voltage Normal Current Current 25kA 1600A 2000A 17.5kV 31.5kA 1600A 2000A 40kA 1250A 1600A 2000A These ratings do not use a heat sink These ratings do use a heat sink 65A7355H01 November 2011 www.eaton.com...
  • Page 21 Figure 2- 9: 17.5kV Withdrawable W-VACi Circuit Breaker Frame 17.5W-4 Applicable Ratings Breaking Normal Voltage Current Current 25kA 3150A 17.5kV 31.5kA 3150A 40kA 3150A These ratings do use a heat sink 65A7355H01 November 2011 www.eaton.com...
  • Page 22 All Dimensions are in millimeters Fig. 2-10: 24 kV Withdrawable W-VACi Circuit Breaker Frame 24W-1 Applicable Ratings Breaking Normal Voltage Current Current 20kA 800A 24kV 20kA 1250A 65A7355H01 November 2011 www.eaton.com...
  • Page 23 Fig. 2-11: 24 kV Withdrawable W-VACi Circuit Breaker Frame 24W-2 Applicable Ratings Breaking Voltage Normal Current Current 24kV 25kA 1600A 2000A These ratings do not use a heat sink These ratings do use a heat sink 65A7355H01 November 2011 www.eaton.com...
  • Page 24 All Dimensions are in millimeters Fig. 2-12: 24 kV Withdrawable W-VACi Circuit Breaker Frame 24W-3 Applicable Ratings Breaking Normal Voltage Current Current 24kV 25kA 2500A 65A7355H01 November 2011 www.eaton.com...
  • Page 25 All Dimensions are in millimeters Fig. 2-13: 12kV Fixed W-VACi Circuit Breaker Frame 12F-1 Applicable Ratings Breaking Normal Voltage Current Current 25kA 630A 12kV 26.3kA 630A 65A7355H01 November 2011 www.eaton.com...
  • Page 26 All Dimensions are in millimeters Fig. 2-14: 12kV Fixed W-VACi Circuit Breaker Frame 12F-2 Applicable Ratings Breaking Voltage Normal Current Current 25kA 630A 800A 12kV 26.3kA 630A 800A 31.5kA 630A 800A 1250A 65A7355H01 November 2011 www.eaton.com...
  • Page 27 Applicable Ratings Breaking Voltage Normal Current Current 25kA 1600A 2000A 26.3kA 1600A 2000A 12kV 31.5kA 1600A 2000A 40kA 1250A 1600A 2000A These ratings do not use a heat sink These ratings do use a heat sink 65A7355H01 November 2011 www.eaton.com...
  • Page 28 Fig. 2-16: 12kV Fixed W-VACi Circuit Breaker Frame 12F-4 Applicable Ratings Breaking Normal Voltage Current Current 25kA 3150A 26.3kA 3150A 12kV 31.5kA 3150A 40kA 3150A These ratings do use a heat sink 65A7355H01 November 2011 www.eaton.com...
  • Page 29 All Dimensions are in millimeters Fig. 2-17: 17.5kV Fixed W-VACi Circuit Breaker Frame 17.5F-1 Applicable Ratings Breaking Normal Voltage Current Current 17.5kV 25kA 630A 65A7355H01 November 2011 www.eaton.com...
  • Page 30 All Dimensions are in millimeters Fig. 2-18: 17.5kV Fixed W-VACi Circuit Breaker Frame 17.5F-2 Applicable Ratings Breaking Voltage Normal Current Current 25kA 630A 800A 17.5kV 31.5kA 630A 800A 1250A 65A7355H01 November 2011 www.eaton.com...
  • Page 31 Fig. 2-19: 17.5kV Fixed W-VACi Circuit Breaker Frame 17.5F-3 Applicable Ratings Breaking Voltage Normal Current Current 25kA 1600A 2000A 17.5kV 31.5kA 1600A 2000A 40kA 1250A 1600A 2000A These ratings do not use a heat sink These ratings do use a heat sink 65A7355H01 November 2011 www.eaton.com...
  • Page 32 Fig. 2-20: 17.5kV Fixed W-VACi Circuit Breaker Frame 17.5F-4 Applicable Ratings Breaking Normal Voltage Current Current 25kA 3150A 17.5kV 31.5kA 3150A 40kA 3150A These ratings do use a heat sink 65A7355H01 November 2011 www.eaton.com...
  • Page 33 All Dimensions are in millimeters Fig. 2-21: 24kV Fixed W-VACi Circuit Breaker Frame 24F-1 Applicable Ratings Breaking Normal Voltage Current Current 20kA 800A 24kV 20kA 1250A 65A7355H01 November 2011 www.eaton.com...
  • Page 34 All Dimensions are in millimeters Fig. 2-22: 24kV Fixed W-VACi Circuit Breaker Frame 24F-2 Applicable Ratings Breaking Voltage Normal Current Current 24kV 25kA 1600A 2000A These ratings do not use a heat sink These ratings do use a heat sink 65A7355H01 November 2011 www.eaton.com...
  • Page 35 All Dimensions are in millimeters Fig. 2-23: 24kV Fixed W-VACi Circuit Breaker Frame 24F-3 Applicable Ratings Breaking Normal Voltage Current Current 24kV 25kA 2500A 65A7355H01 November 2011 www.eaton.com...

  • Page 36: Receiving, Handling And Storage

    Indoor storage should be in a building with sufficient immediately with the carrier if damage or loss is heat and circulation to prevent condensation. If the detected and notify the appropriate Eaton building is not heated, the same rules for outdoor representative.

  • Page 37: Lifting Of Circuit Breakers

    800A 1250A 2000A 2500A 40kA *±3kg. 20kA Table 3- 2: 17.5 kV Circuit Breaker Weights 25kA 17.5 kV Circuit Breaker Weights(kg) 630A 800A 1250A 1600A 2000A 20kA 25kA 31.5kA 25kA 40kA *±3kg. 25kA 31.5kA 40kA *±3kg. 65A7355H01 November 2011 www.eaton.com...

  • Page 38: Photographic Description

    7. Charging Motor 2. Closing Spring 8. Integral Charging Handle 3. Spring Charged / Discharged Indicator 9. Manual Close Button 4. Operation Counter 10. Closed / Open Indicator 5. Hydraulic Damper 11. Manual Open Button 6. Auxiliary switch 65A7355H01 November 2011 www.eaton.com...
  • Page 39 W-VACi with275 mm Pole Spacing Breaker Breaker Breaker Fig. 3-5: W-VACi Circuit Breaker Withdrawable Frames Finger Cluster Heat Sink Encapsulated Pole Unit Racking in Assembly Wheel Racking in Assembly Fig. 3-6: Typical Rear View of a Withdrawable W-VACi 65A7355H01 November 2011 www.eaton.com...

  • Page 40: Inspection

    AC high potential test. During this test, the following warning must be observed: Table 4-1: Testing Ratings Breaker Testing Voltage 12kV 28kV ac 17.5kV 38kV ac 24kV 50kV ac This test should be done with the breaker in “OPEN” position. 65A7355H01 November 2011 www.eaton.com...

  • Page 41: Main Circuit Resistance Check

    2.5 and 2.6 for closing and opening time limits. Torque specifications Table 4-3: Torque Specifications Nominal size and Newton Meters (Nm) pitch M5 x 0.80 M6 x 1.00 M7 x 1.00 M8 x 1.25 M10 x 1.50 M12 x 1.75 M14 x 2.00 65A7355H01 November 2011 www.eaton.com...
  • Page 42 Vacuum Interrupters encapsulated pole unit Adequate vacuum integrity check assembly Power Resistance less Per Section 4-6 Contact Eaton rep. for Elements Main Circuit Resistance than Table 4-2 recommendations values No burning or Replace if burned, damaged, Primary disconnects...

  • Page 43: Troubleshooting Chart

     Secondary Disconnect is not pluged in or has no Electromechanical Interlock pushing the close control power to it button Breaker does not  Check to see if proper secondary control voltage Electromechanical Interlock rack in is applied to the interlock 65A7355H01 November 2011 www.eaton.com...
  • Page 44 ● Shunt trip circuit is energized Control Circuit ● Auxiliary switch does not switch properly ● Trip latch is damaged Undesirable Trip Mechanism ● Trip latch does not reset ● Manual trip push button “O” does not reset 65A7355H01 November 2011 www.eaton.com...

  • Page 45: Circuit Breaker Description And Operations

    (Fig. 5-5). The breaker is now open and the indicator reads “OPEN”. After completing this check, leave the closing springs “discharged” and the breaker contacts “open” until another check is ready to be performed. Check the breaker operation three times using this procedure. 65A7355H01 November 2011 www.eaton.com...

  • Page 46: Nameplate

    In case of potential discrepancy, contact your Eaton representative before installing the circuit breaker. WARNING Extreme caution must be exercised to ensure...

  • Page 47: Racking Handle

    9. When there is no power supplied to the cradle electromagnetic interlock, withdrawable type breakers cannot be racked out from the switchgear from the Fig. 5-8 b: Levering In Force Notice SERVICE position to the TEST position. 65A7355H01 November 2011 www.eaton.com...

  • Page 48: Iec Standard Interlocks

    5-11A is placed inside the breaker levering in cradle. It Eaton has three ways to solve this IEC interlock issue. uses signals from the circuit breaker to determine if it should be electrically engaged or not. Unless the 5.11...

  • Page 49: Operation

    6 Operation HEAT SINK W-VACi circuit breakers open and close primary circuits using Eaton vacuum interrupters (VI). The device used to open and close the VI is the Universal Mechanism Assembly (UMA). It is a modular CONDUCTOR assembly design. It is a self contained functional unit.

  • Page 50: Charging

    The 4 states of the mechanism can be seen in Figures 6-6 through Figure6-9 on the following page. Fig. 6-5: Manual Charging Process 65A7355H01 November 2011 www.eaton.com...
  • Page 51 Fig. 6-8: Breaker Open and Closing Spring Charged Fig. 6-9: Breaker Closed and Closing Spring Charged 1-Closing Spring 6-Cam Shaft 2-Closing Spring Lever 7-Main Roller 3-Spring Release D Shaft 8-Trip bar D Shaft 4-Close Roller 9-Trip Latch 5-Cam 10-Drive Shaft 11-Spring Release Latch 65A7355H01 November 2011 www.eaton.com...

  • Page 52: Opening

    Value Rated VDC (Ua) 110/125 220/250 Voltage Rated VAC (Ua) 110/120 220/230 Voltage Rated ≤10 ≤5 ≤5 ≤3 ≤2 Current Shunt Closing Release % (Ua) 85-110 Voltage Range* Shunt Opening Release % (Ua) 70-110 Voltage Range 65A7355H01 November 2011 www.eaton.com...
  • Page 53 Fig. 6-10: Control Schematic 65A7355H01 November 2011 www.eaton.com...
  • Page 54 65A7355H01 November 2011 www.eaton.com...
  • Page 55 Fig. 6-11: Control Schematic 65A7355H01 November 2011 www.eaton.com...
  • Page 56 Fig. 6-12: Control Schematic 65A7355H01 November 2011 www.eaton.com...
  • Page 57 Fig. 6-13: Control Schematic 65A7355H01 November 2011 www.eaton.com...
  • Page 58 Fig. 6-14: Control Schematic 65A7355H01 November 2011 www.eaton.com...
  • Page 59 Fig. 6-15: Control Schematic 65A7355H01 November 2011 www.eaton.com...
  • Page 60 Fig. 6-16: Control Schematic 65A7355H01 November 2011 www.eaton.com...
  • Page 61 Fig. 6-17: Control Schematic 65A7355H01 November 2011 www.eaton.com...
  • Page 62 Fig. 6-18: Control Schematic 65A7355H01 November 2011 www.eaton.com...
  • Page 63 Fig. 6-19: Control Schematic 65A7355H01 November 2011 www.eaton.com...

  • Page 64: Renewal Parts

    110-120 VAC / 2.6A 65A7002G10 220-230 VAC / 1.4A 65A7002G12 Attributes Ua (DC) 24-48-60-110-125-220-250 V Ua (AC) 110-120-220-230 V 70…110% Ua (DC) Operating Limits 85…110% Ua (AC) Insulating voltage 2000 V 50/60 Hz (for 1 min.) 65A7355H01 November 2011 www.eaton.com...
  • Page 65 65A7013G06 110-120 VAC / 1.7A 65A7013G10 220-230 VAC / 0.8A 65A7013G12 Attributes 90 Watt 0.8A Ua (DC) 24-48-60-110-125-220-250 V Ua (AC) 110-120-220-230 V Operating Limits 85…110% Ua Insulating voltage 2000 V 50/60 Hz (for 1 min.) 65A7355H01 November 2011 www.eaton.com...
  • Page 66 Breaker Auxiliary Contacts (S1 & S2) Standard circuit breakers contain a 10A / 10B auxiliary switch. 6A / 6B contacts are used by the circuit breaker, therefore 4A / 4B contacts are available for the end user. 24 VDC / 10.0A 48 VDC / 6.0A 60 VDC / 5.0A 110-125 VDC / 2.9A...

  • Page 67: Optional Accessories

    110-120 VAC 65A7019G10 220-230 VAC 65A7019G12 Attributes Ua (DC) 24-48-60-110-125-220-250 V Ua (AC) 110-120-220-230 V Operating Limits 85…110% Ua DC= 5 W Continuous Power (Pc) AC= 5 VA Insulating voltage 2000 V 50/60 Hz (for 1 min.) 65A7355H01 November 2011 www.eaton.com...
  • Page 68 Undervoltage Release (UVR) This device opens the circuit breaker when there is notable lowering or loss of its power supply. It can operate with both direct and alternating current. 24 VDC 65A7006G01 48 VDC 65A7006G02 60 VDC 65A7006G13 110-125 VDC 65A7006G04 220-250 VDC 65A7006G06...

  • Page 69: Appendix

    Check insulation of main circuit and control circuit Check resistance of main circuit Check the nameplate Operate electrical-charge/close/open Check the chassis with breaker The counter does not advance properly 5.2.2 # of Operations at End: ________ Signature: ____________________ Date：_________________________ 65A7355H01 November 2011 www.eaton.com...

  • Page 70: W-Vaci Vacuum Circuit Breaker Equipment Check List

    W–VACi Vacuum Circuit Breaker Equipment Check List Customer Name: Eaton Order: Customer PO Quantity: Date of Delivery： YYYY_______ MM______ DD_____ Technical Parameters of Breaker Type W-VACiR Fixed □ W-VACi Withdrawable □ Rated Voltage (kV) □12 □17.5 □24 Normal Current (A) □630...
  • Page 71 Eaton’s Electrical Sector is a global PowerChain solutions help enterprises leader in power distribution, power achieve sustainable and competitive quality, control and automation, and advantages through proactive monitoring products. When combined management of the power system as a with Eaton’s full-scale engineering...

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