| 基于逆变电源的孤岛检测方法研究 |
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| 引用本文： | 朱建军. 基于逆变电源的孤岛检测方法研究[J]. 宁夏电力, 2010, 0(4): 11-14 |
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| 作者姓名： | 朱建军 |
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| 作者单位： | 宁夏电力公司电力调度通信中心,宁夏,银川,750001 |
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| 摘 要： | 分析了现有的孤岛检测方法的优、缺点，提出了频率-功率反馈的逆变器孤岛检测方法。通过研究逆变电源的控制以及反馈原理，采用abc-dq0变换机制实现频率-无功反馈，增加逆变器无功输出与无功负荷的不匹配程度，加速频率变化，使之能够有效检测孤岛。理论分析及PSCAD仿真结果证明，此方法简单有效，能够有效减小检测盲区，且对电能质量影响微弱。
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| 关 键 词： | 逆变型电源 孤岛检测 abc-dq0变换 频率-功率反馈 |
An isolated island detection methods of the inversion power supply |
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| ZHU Jian-jun. An isolated island detection methods of the inversion power supply[J]. Ningxia Electric Power, 2010, 0(4): 11-14 |
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| Authors: | ZHU Jian-jun |
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| Affiliation: | ZHU Jian-jun(Ningxia Electric Power Dispatching Communction Center,Yinchuan Ningxia 750001,China) |
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| Abstract: | Analyzes the merits and demerits of the current isolated island detection methods,puts forward the isolated island detection methods of frequency and power feedback inverter.Through studying the control and feedback principle of the inversion power supply,uses abc-dq0 convertion mechanism to realize the frequency and reactive power feedback,increases the unmatchable degree between the reactive power export and reactive power load of the inverter,accelerates the frequency change,detects the isolated island e... |
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| Keywords: | inversion power supply isolated island detection abc-dq0 transformation frequency and power feedback |
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