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Method of contactless capacitive monitoring of insulated electrical conductor potential enables simple, reliable potential measurement without contact
Method of contactless capacitive monitoring of insulated electrical conductor potential enables simple, reliable potential measurement without contact
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机译:绝缘导体电势的非接触式电容监测方法可实现简单,可靠的电势测量而无需接触
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摘要
The method involves applying at least one measurement electrode (31) to the insulation (51) in shape- and force-locking manner under a defined pressure, forming a measurement capacitance (30) between the conductor (50) and electrode(s); setting the insulation into mechanical vibration at a certain auxiliary frequency so that the measurement capacitance varies; and detecting and evaluating a measurement signal (I1) dependent on the varying measurement capacitance and conductor potential (U0).
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