PMU Assisted Integrated Impedance Angle-Based Microgrid Protection Scheme

被引:66
作者
Sharma, Nikhil Kumar [1 ]
Samantaray, Subhransu Ranjan [1 ]
机构
[1] Indian Inst Technol Bhubaneswar, Sch Elect Sci, Bhubaneswar 752050, Odisha, India
关键词
Distributed generation (DG); fault detection; integrated impedance angle (IIA); microgrid; phasor measurement unit (PMU); wide area monitoring system (WAMS); DISTRIBUTION NETWORKS; DISTRIBUTION-SYSTEMS; FAULT-DETECTION; SYNCHROPHASORS; PERFORMANCE; LOCATION;
D O I
10.1109/TPWRD.2019.2925887
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Development of protection scheme for microgrid is a challenging issue due to the inclusion of distributed generations (DGs). The research work for developing the primary protection scheme for microgrid is progressing continuously. This paper proposes an integrated impedance angle (IIA) based protection scheme using wide-area positive sequence components of voltages and currents. The proposed scheme uses data retrieved from the phasor measurement units (PMUs) of IEEE C37.118.1 complied standards. Furthermore, the IIA for the line is computed considering both ends PMU information, which is the key indicator for identifying the faults in the microgrid. The proposed protection scheme is extensively tested considering the different operating conditions of microgrid, variation in DG penetration and variation in fault parameters such as fault resistance, fault types, and fault location. Furthermore, cross validation on no-fault situations including section cutoff, disconnection of high penetration DG, grid-islanding resynchronization, motor starting, capacitor switching, and load encroachment are carried out. The proposed scheme is also tested for the insensitivity towards the external faults. The test results on both 15-bus and 34-bus systems clearly indicate that the proposed IIA-based wide-area scheme can be a potential protection measure for microgrid under varied operating circumstances.
引用
收藏
页码:183 / 193
页数:11
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