none

WestSine filters ideal for changing harmonic patterns

23-02-2010
by 
in 

Harmonic correction is important for many commercial loads such as IT equipment and fluorescent tube ballasts, as well as industrial loads including variable speed drives, induction furnaces, electroplating baths and electric furnaces.  

For commercial loads harmonic content can exceed 130 per cent of the 50 cycle current load. For variable speed drives the harmonic contributions vary from 60 per cent to in excess of 100 per cent.

The result of these harmonic currents is overloading wiring, switchboards and substation transformers as well as nuisance tripping of circuit breakers.

The WestSine-series active filters are based on IGBT technology to generate an anti-phase signal to the harmonic current components produced by the load.

The WestSine filters can be connected in parallel to increase their harmonic correction capacity and can also correct lagging power factor. Low power factor is responsible for increased energy costs in many electricity tariff structures.

The WestSine filters are designed to operate in dynamic environments where the harmonics content and frequency spread change rapidly.

The feedback mechanism of the WestSine filters is hardwired and depending on the filter chosen, real time response can be within 1/100th of a half-cycle to changes in line current.

The value of the dynamic response of WestSine active filters cannot be stressed enough, because without this ultra short response time active filters generally can under many circumstances cause more harm than good.

Westek Electronics Pty Ltd
Ph: 1300 Westek (937 835)
www.westek.com.au

Related news & editorials

  1. 18.07.2018
    18.07.2018
    by      In
    3D printing with metals is affecting the way manufacturing occurs, and Australian distributor Raymax Applications reckons this is amply demonstrated by the application of SLM Solutions machines in metal manufacturing processes.
    SLM Solutions Group recently released its fourth generation 280 system... Read More
  2. 16.03.2018
    16.03.2018
    by      In
    In the 1960s, as much as a quarter of Australia’s workforce was employed in the manufacturing sector, and the industry fuelled 25% of the nation’s economy, according to the Productivity Commission. Half a century on, the closure of Toyota, Ford and then General Motors in October 2017 seemed to... Read More
  3. 24.01.2018
    24.01.2018
    by      In
    According to Southern Cross CEO, Mark Ferguson, if Australian industry really wants to get serious about saving energy then it needs to take a close look at ‘two-stage’, air compressor technology. As energy costs continue to outstrip other business input expenses it is critical, more than ever... Read More
  4. Martin Chappell
    03.11.2017
    03.11.2017
    by      In
    With Australia’s manufacturing industry strengthening, leaders and heads of IT are weighing up which new technologies they should implement to gain a competitive edge. Martin Chappell from Motorola Solutions explains how a simpler and more focused use of data can be the best approach.
    Australia’s... Read More