Polyphase emulator for single phase circuit
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United States of America Patent
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Mar 22, 1994
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N/A
app pub date -
May 27, 1993
filing date -
May 27, 1993
priority date (Note) -
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Abstract
An emulator which is able to operate on a standard single phase 120 VAC line, generates simulated three-phase alternating current in order to demonstrate the operation of a polyphase electricity meter. The emulator is also capable of demonstrating the operation of the polyphase electricity meter which has been incorrectly wired into the polyphase circuit, i.e., with incorrect or missing connections to the current transformers; or in which there are problems with the phasing of the polyphase circuit, i.e., incorrect phase differences between circuits or between the currents and voltages within any of the phases.
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