A New Islanding Detection Technique for Distribution System during DG Interconnections

被引：0
|
作者：
Sareen, Karan [1 ]
Bhalja, Bhavesh R. [1 ]
Maheshwari, R. P. [2 ]
机构：
[1] Indian Inst Technol Roorkee, Dept Elect Engn, Roorkee, Uttarakhand, India
[2] Raj Kumar Goel Inst Technol, Ghaziabad, UP, India
来源：
2015 IEEE INNOVATIVE SMART GRID TECHNOLOGIES - ASIA (ISGT ASIA) | 2015年
关键词：
islanding detection; distributed generation; non-islanding events; active and reactive power mis-matches; VOLTAGE CHANGE;
D O I：
暂无
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
In this article, a new 'dq0' transformation based islanding detection scheme for power distribution system with Distributed Generation (DG) interconnections is presented. The proposed scheme is based on conversion of current and voltage samples of all phases into 'd', 'q' and '0' components using 'dq0' transformation. PSCAD/EMTDC software package is used to generate varying islanding and non-islanding events. Various islanding conditions have been simulated by disconnecting the main circuit breaker with different value of reactive and active power mis-matches. On the other hand, different non-islanding conditions such as short-circuit on an adjacent feeder, switching (ON/OFF) of load, switching (ON/OFF) of transformer, energization /de-energization of medium transmission lines, and switching (ON/OFF) of capacitor bank in the network have also been simulated. The simulation results indicate that the proposed scheme is not only capable to detect islanding condition within half a cycle after the inception of event but also avoids nuisance tripping during diversified non-islanding events.
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页数：5
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