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IEVref:312-06-19ID:
Language:enStatus: Standard
Term: output impedance
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Definition: impedance of the output circuit measured between the output terminals under operating conditions

NOTE 1 – The impedance can be expressed in terms of admittance.

NOTE 2 – In certain instances, for example, sampling devices or self-balancing potentiometers, the impedance can be different according to the instant when it is determined, before, during or after the instant of measurement.

NOTE 3 – When the output circuit is such that the instantaneous value of the current flowing into the output terminals is a non-linear function of the instantaneous value of the output voltage under specified conditions of frequency and voltage, the combination of resistance and reactance which would absorb the same active power and in which would flow a reactive current equal to the fundamental component that is flowing in the actual output circuit, is sometimes called the "equivalent output impedance".


Publication date:2001-07
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