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IEEE C37.26

Guide for Methods of Power Factor Measurement for Low-Voltage Inductive Test Circuits

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Organization: IEEE
Publication Date: 11 September 2003
Status: inactive
Page Count: 17
scope:

This guide describes three methods used in the measurement of the power factor of inductive low-voltage (1000 volts and below) 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:

1) Ratio method

2) DC decrement method

3) Phase relationship method

Table 1 lists the preferred method to be used for different levels of test currents and for different levels of power factor. While this guide is primarily intended for use on low-voltage test circuits, the methods discussed are also usable at higher voltages.

Document History

August 21, 2014
Guide for Methods of Power-Factor Measurement for Low-Voltage (1000 V AC or lower) Inductive Test Circuits
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...
September 11, 2003
Guide for Methods of Power Factor Measurement for Low-Voltage Inductive Test Circuits
This guide describes three methods used in the measurement of the power factor of inductive low-voltage (1000 volts and below) test circuits. These methods may be used at any frequency; however, the...
IEEE C37.26
September 11, 2003
Guide for Methods of Power Factor Measurement for Low-Voltage Inductive Test Circuits
This guide describes three methods used in the measurement of the power factor of inductive low-voltage (1000 volts and below) test circuits. These methods may be used at any frequency; however, the...
September 16, 1971
Standard Guide for Methods of Power-Factor Measurement for Low- Voltage Inductive Test Circuits
A description is not available for this item.

References

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