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What causes the leading and lagging power factors in the compressor excitation system?

2011-02-20View Original

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The normal range of power factor for the compressor excitation system is between 0.9 and 1. What are the causes of both leading and lagging power factors in this system? Could it be due to issues with the power grid?
Reply #22011-02-20
The power factor of the compressor is regulated by the excitation current; when the excitation current remains constant, the voltage in the power grid causes fluctuations in the power factor
Reply #32011-02-20
Reply to 2# liuei: It always seems that fluctuations in the power factor cause fluctuations in the excitation current and voltage, and as a result, the current in the motor also fluctuates.

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Translated at 2026-07-24 18:10:20

Original: https://bbs.hcbbs.com/thread-801182-1-1.html

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