Voltage Sag Simulator and Test Equipment

Some industries require their suppliers of electrical equipment to demonstrate that it has voltage sag withstand capability in accordance with published Standards e.g. SEMI F47, IEC61000-4-34, IEE1668. In order to evaluate voltage sag withstand capability it is necessary to have a means of creating voltage sags of predetermined variable depth (e.g.70% ), variable duration and the means of recording results of such tests.

Voltage Sag Generator - 1 Phase

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Voltage Sag Generator - 3 Phase

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"The results were dramatic. Productivity losses from sags with the protected saws were reduced to zero. I can say with absolute confidence the payback was well under a year. Now my only problem is that production managers want to know why we didn’t protect the rest of the wire saws with the AVC. Every time a thunderstorm appears in our area, we have to shut down the unprotected saws until the storm passes.”

Silicon Wafer Production - Plant Engineer

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