
【国外标准】 IEEE Guide for Methods of Power-Factor Measurement for Low-Voltage (1000 V AC or lower) Inductive Test Circuits
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2025-04-28
- IEEE C37.26-2014
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This guide describes three methods used in the measurement of the power factor of inductive low-voltage (1000 V and lower) test circuits. These methods may be used at any frequency; however, the values in the tables are specifically for 60-Hz test circuits. These methods are as follows: a) Ratio method; b) DC decrement method; c) Phase relationship method. Table 1 lists the preferred methods to be used for different levels of test currents and for different levels of power factor. While this… read more guide is primarily intended for use on low-voltage test circuits, the methods discussed are also usable at higher voltages. read less
标准号:
IEEE C37.26-2014
标准名称:
IEEE Guide for Methods of Power-Factor Measurement for Low-Voltage (1000 V AC or lower) Inductive Test Circuits
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