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Power capacitors

Pole-mounted capacitor banks

Eaton's Cooper Power series comprehensive pole-mounted capacitor bank solutions can be tailored to meet customer application needs. This customized bank package offers overall system improvements such as improved power factor, system capacity release, loss reduction, voltage stability, improved power flow and cost savings.

Configurable
Meets application needs
Durable
Harsh coastal environment application
Safe and easy installation
Free-standing frame, compact design

Core features

  • Lightweight high strength aluminum alloy frame (Galvanized steel available upon request)
  • Scalable packaged solution for mounting of 3 - 12 capacitor units
  • Offered in both fixed or switched configurations; available with vacuum- and oil-insulated switches
  • Wildlife protection provided on all energized terminals and conductors
  • Controller and control strategy available including zero voltage closing capabilities
  • Bank frames provided with tin-plated parallel groove connectors to provide bank ground connection point
  • Free-standing bank frames include integral lifting provision to support weight distribution during installation

The benefits of power capacitors

Watch this short video to learn how power capacitors improve your power factor, efficiency and provide substantial benefits to the electrical system.

Wildfire Mitigation pole-mounted bank

Eaton’s Wildfire Mitigation capacitor units are available in a pole mounted bank configuration with additional protection features such as improved wildlife protection, maintenance free vacuum switch, dry type transformers, etc. These banks are designed for areas with reduced accessibility or those areas that present a higher fire risk.

Configurable solutions to meet application needs

Systems can be designed to utilize a variety of unit solutions utilizing Eaton’s Standard-Duty (SD), Heavy-Duty (HD), Extreme-Duty Cold (XDC), Extreme-Duty base (XDB), Extreme-Duty Hot (XDH) and Wildfire Mitigation capacitor units. Ranging from 50–600 kvar ratings per unit installed, the banks come completely pre-assembled and tested from the factory. Systems are available in switched or fixed configurations, and in grounded-wye, ungrounded-wye and delta connections.

Full selection of optional features

Depending on specific application needs, pole-mounted banks are available with a full range of accessories that can easily be incorporated into the system solution. This range includes optional switches (vacuum and oil), controls, power transformers, junction boxes, surge arresters, sensors (line post and neutral), fuse cutouts, fuse links, cable connectors and reactors. All banks come pre-wired, factory assembled and tested to reduce installation time and expedite energization.
Specifications

Ratings

Basic Insulation Level (BIL) 95-200 kV
System Voltage 2.4-34.5 kV
Capacitor Unit kvar 50-600
Bank kvar 150-7200

Standards

IEEE Standards 

Std. 18

Std. 1036

C57.12.31

C57.12.29 

IEC Standards 60871-1
CSA CAN/CSA-C871-1

Features

Bank frame

6061-T6 alumuinum

Galvanized steel (optional)

Standard unit configurations 3, 6, 9, 12 (optional)
Installation features

Free-standing frame

Lifting provisions

Integrated safety features

Transformer support, additional bracing optional

Application details

Wire configuration

Grounded-wye

Ungrounded-wye

Delta

Switch options

Edison capacitor switch (vacuum w/solid dielectric)

NR/NRV switch (oil)

Fixed

Consult factory for other switch options

Control options

CBC-8000 capacitor control

Valquest Zero Voltage Closing (Edison capacitor switch required)

Consult factory for other control options

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Power capacitor training

Eaton offers factory, on-site and remote power capacitor training options. 

New to power capacitors?

Learn about the fundamentals of power capacitors