Recently we conducted a demonstration of the protective relay test system MP3000A, imported, supplied and supported in India by us. There are multiple test modules to test IDMT relays. In the I-T curve verification module, we selected the IEC VI curve from the database. Refreshed the curve with setting as per the relay. The software automatically tested the relay against the selected curve, showing the test points, expected trip time, actual trip time and judgement (passed or failed).

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