Product category:
EMC Components
News Release from: MGE UPS Systems | Subject: CleanWave
Edited by the Electronicstalk Editorial
Team on 15 April 2005
Filter cleans up zero sequence harmonics
CleanWave is a filter that significantly reduces zero sequence harmonics in the neutral phase.
High availability power solutions provider MGE UPS Systems, has added CleanWave, a filter that significantly reduces zero sequence harmonics in the neutral, to its range of power quality improvement equipment According to UK Channel Sales Director Jason Koffler: "Increased nonlinear loads on power systems create harmonics, which affect all mains powered equipment and interfere with their operation"
This article was originally published on Electronicstalk on 1 Mar 2004 at 8.00am (UK)
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"Harmonics can cause equipment to overheat, which damages insulation, may cause fires and reduces the efficiency of electrical devices".
"They also increase the distortion of the voltage which, in turn, can degrade or damage electrical equipment, disturb the operation of sensitive applications, cause electronic equipment to trip out and displays and lighting to flicker".
"Not only do excessive harmonics increase electricity consumption, they also make it impossible to comply with EMC standards".
To combat the effect of harmful harmonics, MGE UPS Systems has now introduced a zero sequence harmonic filter, CleanWave, as an effective solution to these types of power supply disturbances.
High intensity harmonics (H3, H9, and so on) have a particularly disturbing effect on three phase plus neutral distribution systems, adding up in the neutral conductor, which then carries considerable high frequency current and can quickly become overloaded.
Koffler continues: "CleanWave's architecture is based on isolating the zero sequence harmonic current downstream from the LV installation, close to the nonlinear loads".
"It attenuates, by a ratio of 10:1, zero sequence harmonic current in the neutral, thus preventing the harmonics being carried back into the mains, rebalances the current in the phases, improves the power factor, reducing current consumption, and reduces electro-magnetic interference".
Cleanwave is available in 10 models, from 12 to 280kVA (from 29 to 722A neutral current).
These models come in two versions: in the form of a chassis, IP00, for integration into the customer's own enclosure and in an IP21 enclosure with meters. Request a free brochure from MGE UPS Systems ...
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