Power quality issues and mitigation of voltage dips using power conditioning equipments
Summary :
Table of Contents
- Introduction
- Power quality issues
- Voltage quality
- Current quality
- Voltage swells
- Voltage/current transients
- Harmonic distortion
- Voltage flicker
- Voltage unbalance
- Phase- angle jump
- Voltage dips
- Causes and characterization of voltage dips
- Effect of voltage dips on equipment behavior
- Mitigation of voltage dips
- Power conditioning equipments
- Static transfer switch (STS)
- Active filters
- Uninterruptible power supply (UPS)
- Shunt-connected voltage source converter (DSTATCOM)
- Static series compensator (SSC)
- Conclusion
- References
Abstract
Most of the industrial loads are mainly controlled by power semiconductor devices. These devices make such loads to be more sensitive against power system disturbances. Thus, the power quality problems have gained more interest recently. This paper presents a review of some of the disturbances on the source side which may cause problems on the load side. Focus is given on problems associated with voltage dips. As voltage dips have been reported to be the most severe problems to industrial loads. Solutions towards such problems using power conditioning equipments are explored.
Keywords: power quality, voltage dips, power conditioning equipments
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