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More power with PhaseCap

Posted: 11 Jul 2008     Print Version  Bookmark and Share

Keywords:power capacitor  power factor correction  PhaseCap  gas impregnation 

This application note was first issued in 1998 in the Components Magazine by EPCOS. In this version, Harald Vetter has done some slight changes that were necessary due to the enhancement the PhaseCap-series has experienced since its introduction to the market. He explains the unique features of the PhaseCap capacitor making it suitable for power factor correction.

Their compact design and reliability have made EPCOS' PhaseCap series of power capacitors for power factor correction a true all-rounder among AC capacitors. Covering a voltage range from 230V to 525V, outputs from 5kVar to 30kVar, of single- and three-phase types, they have found wide acceptance on the market ever since their introduction in 1985.

Features and benefits at a glance

  • •: Self-healing design, inert gas impregnation

    Maintenance-free operation with highly constant capacitance, high temperature class, flameproof

  • •: Optimised manufacturing with statistical process control

    Long service life of up to 115,000hrs, maximum failure rate of 50FIT

  • •: Combined wavy/smooth cut with increased contact area

    High pulse strength, inrush current withstand capability of up to 200 times the rated current; capacitors can be connected in parallel and standard contactors can be used

  • •: Special Zn/Al metalisation

    Reduced losses, customer-specific power factor correction for reactive powers

  • •: Overpressure disconnector

    Straightforward disconnection at end of service life

  • •: Three-pole SIGUT® clamp terminal

    Enhanced shock hazard protection, no screws to lose, reduced assembly costs, discharge resistors can be added for increased reliability

  • •: Use of non-hazardous materials

    Easy, environmentally friendly disposal at end of service life

  • •: Low weight and height

    Universal mounting for low-profile design

    View the PDF document for more information.

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