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Polyphase Transformer-Rated Meter Testing - Instant Video

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Summary

This 38-minute video demonstrates field tests to verify the accuracy of four-wire transformer-rated meters. Demonstrates how to isolate the meter and make test connections to a test switch. Also shows how to calibrate a typical polyphase four-wire transformer-rated meter.

Training Sessions

Testing Considerations and Installation Layout – 8 minutes
Describes accuracy tests commonly performed on polyphase, transformer-rated meters. Explains the layout of a typical polyphase, transformer-rated meter installation. Covers basic safety considerations associated with testing polyphase, transformer-rated meters.


Basic Test Connections – 9 minutes
Describes connections needed to perform individual element tests on a polyphase, transformer-rated meter. Describes connections needed to perform series element tests on a polyphase, transformer-rated meter.

Testing a Three-Phase, Four-Wire, Three-Stator Meter – 11 minutes
Describes preliminary steps that are normally taken before a polyphase, transformer-rated meter is tested. Shows how individual element tests may be performed on a three-phase, four-wire, three-stator, transformer-rated meter. Describes how series element tests may be performed on a three-phase, four-wire, three-stator, transformer-rated meter.


Basic Meter Adjustments – 10 minutes
Describes preliminary steps often taken before making adjustments to a polyphase, transformer-rated meter. Shows how to adjust a three-phase, four-wire, three-stator, transformer-rated meter.

Item Code: PXT-IV
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