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Definition of "Potential Transformer" |
An instrument transformer specifically designed to give an accurate voltage ratio for measurement and/or control purposes. They are always connected in parallel with the circuit (like a voltmeter). / A transformer used to lower the voltage at a set ratio so that the voltage can be measured by instruments and meters at a safe representative level. / Potential transformer are a parallel connected type of instrument transformer. They are designed to present negligible load to the supply being measured and have an accurate voltage ratio and phase relationship to enable accurate secondary connected metering. |
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