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The test kit is used to test the influence of supply dip on energy meter, after which the meter is tested for usual tests and the results are compared with previous one

Influence of Supply Voltage Test Equipment for Energy Meters (IEC 62053-21, IS 13779 clause 12.7.2)

Lab Test Routine Test

Influence of Supply Voltage Test Equipment ‘ISVT 01’ is used to measure and analyze the influence of supply voltage on energy meter. This test is described in various standards for energy meters such as IS 13779, IEC 62053 etc. As per CEI / IEC 62053-21, IS 13779 clause 12.7.2: The test shall be carried out under the following conditions: 1. Meter in operating condition. 2. Voltage and auxiliary circuits energized with reference voltage.

3. Without any current in the current circuits.

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5. Short Circuit Test Setup per IS 15884.png
Short Circuit Test Setup for Prepayment Energy Meters as per IS 15884, 2010