A DSP based power analyzing and control system using three-dimensional current coordinates

A DSP based power analyzing and control system is presented in this paper. Using correlation techniques, a system's power can be decomposed into three components active, reactive, and distorted power. Each decomposed component is displayed in a 3-D current coordinate system. As a result, a new...

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Bibliographic Details
Main Authors: Young-Cheol Lim, Young-Gook Jung, Seok-Hwan Na, Chan-Hak Choi, Youg-Hak Chang, Seung-Hak Yang
Format: Conference Proceeding
Language:English
Subjects:
Control system analysis
Control systems
Digital signal processing
Harmonic analysis
Performance analysis
Power filters
Power harmonic filters
Power system harmonics
Reactive power
Transient analysis
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Summary:A DSP based power analyzing and control system is presented in this paper. Using correlation techniques, a system's power can be decomposed into three components active, reactive, and distorted power. Each decomposed component is displayed in a 3-D current coordinate system. As a result, a new 3-D power factor is introduced as an alternative to the standard definition of the power factor. The developed system operates as a harmonics compensator as well. Harmonics compensation and analysis of the system's power can be accomplished simultaneously. For the real time control of the APF (active power filter), a DSP TMS320C31 is used. The experimental results support the conclusion that the developed system is highly accurate in analyzing system power, and has good performance in control of the APF.
DOI:10.1109/IECON.1996.566031