Active and Passive Harmonic Filters to Launch at Drives & Controls

CP Automation will be exhibiting it’s Comsys and RevCon ranges of active and passive harmonic filters at this year’s Drives and Controls Show, which will be held from April 8-10 at the NEC in Birmingham. Visitors to the show will be able to find CP Automation on stand D646, alongside products from suppliers including Cressall Resistors, Re-Spa, Chiaravalli, TAE, Roxburgh and of course, Comsys and RevCon.
harmonic filters
The range of Active Harmonic Filters (AHF) is used to isolate harmonic current and protect equipment from damage caused by harmonic voltage and current distortion.

 

The AHF electronically generates an adaptive current waveform, which matches the shape of the non-linear portion of the load current. This is achieved by actively monitoring the non-linear current demanded by the load.

 

Furthermore, the AHF stops the destructive current at the point of connection by injecting matching current into the application.
AHF units are easily paralleled and can be sized to guarantee compliance with IEEE 519-1992, which describes the recommended practices and requirements for harmonic control in electrical power.  The AHF also complies with the UK Engineering Recommendation G5/4, covering harmonic standards under most load conditions.

 

“We’ve prepared well in advance for the Drives & Controls exhibition, so visitors will find a few surprises on the stand,” said Tony Young, Director at CP Automation.

 

“The harmonic filters will take centre stage, but we’re also going to exhibit all our other products that complement variable speed drive applications,” enthused John Mitchell, CP Automation’s business development manager. “Our team can offer help on those applications where a little more thought is required, or extra analysis is needed on the motor or drive – or entire application for that matter,” he concluded.

 

Mitchell will also be speaking at Drives & Controls, on Tuesday April 8. In his seminar, entitled “A Comparison of Harmonic Compensation Technologies” he will  explain the various compensation technologies available in the context of mitigating line harmonics generated by drives. Comparisons are made with the size of mitigation, the effectiveness of compensation, losses, grid interaction, reliability and costs.

 

Mitchell’s paper provides an overview of commonly used means of mitigation and their side effects. He will investigate the benefits of passive series filters, passive shunt filters, active series filters, active shunt filters and multi-pulse solutions. Recommendations can be given with the paper as a basis for suitability of a particular solution.

 

CP Automation will also be exhibiting braking units from TAE Pikatron as well as regenerative braking and energy saving solutions alongside its range of passive and active components.

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