Direct Current-Controlled Distribution Static Synchronous Compensator for Voltage Quality Improvement

Lei Huang; Deng Xiang Yang; Jie Tang; Qun Feng Zhu

doi:10.4028/www.scientific.net/AMR.648.361

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 648Direct Current-Controlled Distribution Static...

Direct Current-Controlled Distribution Static Synchronous Compensator for Voltage Quality Improvement

Abstract:

This paper presents a direct current-controlled static reactive power compensator (DSTATCOM) for voltage quality improvement of low-medium distribution network. The main circuit of the DSTATCOM uses VSI-SPWM structure-based voltage source inverter (VSI), and both operation of reference current and control of compensation current are realized in synchronous reference frames. The function of DSTATCOM to mitigate voltage sag and flicker, two common voltage quality problems, is discussed in detail in this paper. According to the forming way of reactive reference current, operation mode of DSTACOM are classified into current control mode and voltage control mode. And under the two operation modes the function of DSTATCOM to mitigate voltage sag and flicker under different control modes is simulated with MATLAB. The simulation results show that the current control mode is suitable for mitigating voltage flicker, while the voltage control mode for voltage sag.

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Periodical:

Advanced Materials Research (Volume 648)

Pages:

361-364

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.648.361

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Online since:

January 2013

Authors:

Lei Huang, Deng Xiang Yang, Jie Tang, Qun Feng Zhu

Keywords:

Current Control Mode, Distribution Static Synchronous Compensator, Reactive Power Compensation, Voltage Control Mode, Voltage Quality

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References

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