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Reclosers

VWE, VWVE27, VWVE38X three-phase recloser

Easily installed on poles and in substations, Eaton's Cooper Power series W-group three-phase, electronically controlled automatic circuit reclosers provide reliable, economic overcurrent protection. Available with vacuum or oil interruption, tripping is initiated by a series trip coil that releases the stored-energy trip mechanism when an overcurrent occurs. A closing solenoid supplies the energy for contact closing and also stores energy in the trip mechanism. Dual time-current characteristics permit coordination with other protective devices. A choice of four delayed characteristics allows flexibility in system coordination.

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VWE, VWVE, WE, and WVE three-phase electronically controlled recloser catalog Recloser general ratings information catalog
Compact in design
Easily installed on poles or in substations
Precise and unvaried trip times
Close device coordination
Dual time-current characteristics
Coordination flexibility

Core features

  • Compact in design, these reclosers can be easily installed on poles or in substations
  • Recloser and control accessories enable further tailoring of the protective program to achieve maximum system operating flexibility
  • Mounting equipment, available for pole or substation, eases installation of the recloser wherever system requirements demand
  • Recloser settings are configured by the electronic control with accurate, preset tripping characteristics and reclosing times
  • Trip times are precise and unvaried, enabling close coordination with other protective devices on the system
  • When system requirements change, program settings are easily altered with no sacrifice of accuracy or consistency

Vacuum interruption reduces mechanical stress

Vacuum interrupters provide fast, low-energy arc interruption with long contact and interrupter life, low mechanical stress and maximum operating safety. With arc interruption taking place in a vacuum, contact and interrupter life are several times greater than with interruption in oil, virtually eliminating interrupter maintenance. Because of the shorter contact stroke, mechanical stress and wear on the mechanism is substantially reduced.

Recloser control choice to meet application requirements

Eaton's Cooper Power series Form 6 control provides maximum protective hardware design and simple interactive graphical interfaces for complete user customization. All standard control operating parameters are keyboard programmable. ProView software is used to configure control settings, record metering information and establish communication parameters. The Form 4D control performs outstanding protection, metering and communication functions and has fully modular communication to meet expanded SCADA and automation applications. The Form 4D control front panel can be used to program and interrogate the control, as well as to display metering and alarm information. Control parameters can also be programmed via ProView NXG interface software.
Specifications

Standards

Eaton's Cooper Power series reclosers are designed and tested in accordance with the following ANSI standards: C37.60 and C37.85 and ANSI Guide C37.61

Ratings

  WE and VWE
 WVE27 and VWVE27
 VWVE38X
 WV38X
Nominal system voltage (kV)
 2.4-14.4 24.9 24.9-34.5 24.9-34.5
Maximum rated voltage (kV) 
 15.5 27 38 38
Rated impulse withstand voltage (BIL) (kV crest)
 110 125 VWVE27
150 WVE27
 150 170
60 Hz withstand voltage (kV rms)
 Dry, one minute
 50 60 70 70
Wet, ten seconds
 45 50 60 60
Rated maximum continuous current (A)
 560 560 560 560
Phase-to-phase closing coil operating voltages ±15% (kV)
 2.4, 3.3, 4.16-4.8, 6.0, 7.2-8.32, 11.0, 12.0-13.2, 14.4, 17.0, 20.0, 23.0-24.9, 34.5
Low-voltage closing coils operating voltage (Vdc)
 48, 125, 250 (requires either low-voltage DC or low-voltage AC closing accessory)

Interrupting ratings - Phase and ground trip

  Nominal voltage (kV)
 Interrupting rating (rms sym Amps)
W
 4.8 12000
8.32 10000
14.4 10000
VWE
 14.4 12000
WVE27
 24.9 8000
VWVE27
 24.9 12000
WVE38X
 34.5 800
VWVE38X
 34.5 12000

Duty cycle

  % of interrupting rating
 Number of unit operations
 Maximum circuit X/R value
WE
 15-20 28 3
45-55 20 7
90-100 10 14
  Total 58  
WVE27
 15-20 28 4
45-55 20 8
90-100 10 15
  Total 58  
WVE38X
 15-20 28 4
45-55 20 8
90-100
 10 15
  Total 58  
VWE
 15-20 88 4
45-55
 112 8
90-100
 32 15
  Total 232  
VWVE27
 15-20 88 4
45-55
 112 8
90-100
 32 15
  Total 232  
VWVE38X
 15-20 88 4
45-55
 112 8
90-100
 32 15
  Total 232  

Options

  • Multi-ratio bushing current-sensing transformers factory-installed on load-side bushings 2, 4 and 6
  • 600:5 multi-ratio bushing current transformers for field installation
  • Hardware (service-related)
    • Manual closing tool: de-energized recloser; factory installed
    • T-handle manual closing tool; de-energized recloser 
    • Oil-level sight gauge; factory-installed
  • Low-voltage closing and transfer switch; factory-installed
    • Low voltage DC closing
    • Low-voltage AC closing
  • Bushings and terminals; factory-installed (set of six)
    • Flat-pad terminals, two-hole
    • Flat-pad terminals, four-hole
    • Stud terminals, 1-1/8-12 UNF-2A
  • Mounting equipment
    • Substation mounting equipment
      • Basic mounting frame
        • Mounting brackets
        • Single-size control and/or meter trough
        • Double-size control and/or meter trough
        • Single- or double-size control on load-side of frame
      • Removable tank-lifting windlass for frame
    • Pole-mounting equipment
      • Frame with load- and source-side arrester brackets
      • Single-pole mounting hanger
      • End-mounted pole hanger
      • Surge arrester mounting brackets
        • Inboard (source)
        • Outboard (load)
      • Tank-lifting windlass for single-pole hanger
  • Continuous current accessory; factory-installed
    • 800 amp continuous current capability on recloser without accessory BCTs
    • 800 amp continuous current capability on recloser equipped with accessory BCTs
  • Factory assemblies and kits
    • Reclosers can be factory-assembled in mounting frames
    • External meters can be factory-wired
    • Wiring kits are available for field installation of inter-accessory wiring
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