Laboratory testing of a distributed generator unintentional islanding detection scheme
Laboratory testing of a distributed generator unintentional islanding detection scheme
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分布式发电机无意孤岛检测方案的实验室测试
DOI：
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发表时间：
2008
期刊：
影响因子：
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通讯作者：
Xiaohui Hu
中科院分区：
文献类型：
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作者：
S. Rovnyak;S. Koskie;Y. Sheng;V.S. Rajput;Xiaohui Hu
本文描述了一种符合IEEE 1547标准的用于分布式资源与电力系统互连的孤岛检测方案的初步开发和测试。孤岛检测算法是在分布式发电机的节流阀上加入一个扰动信号。当DG与电网连接时，扰动信号引起的DG电频率偏差要比在孤岛上时小得多。我们使用由往动式发动机提供动力的85千瓦DG进行了IEEE 1547.1标准要求的无意孤岛检测测试的一个子集。该标准要求在DG和匹配负载同时与电网断开连接时检测孤岛。初步结果是有希望的，我们描述了测试过程的改进和扩展，将需要完成证明符合IEEE 1547标准。
This paper describes the initial development and testing of an islanding detection scheme in conformance with the IEEE 1547 standard for interconnecting distributed resources with electric power systems. The islanding detection algorithm involves adding a perturbation signal to the throttle of a distributed generator (DG). Deviations in DG electrical frequency caused by the perturbation signal are much smaller when the DG is connected to the grid than when it is in an island. We have performed a subset of the unintentional islanding detection tests required by the IEEE 1547.1 standard using an 85 kW DG powered by a reciprocating engine. The standard requires an island to be detected when the DG and a matching load are simultaneously disconnected from the grid. Preliminary results are promising and we describe the refinements and extensions to the test procedures that will be required to finish demonstrating compliance with the IEEE 1547 standard.