HARDWARE-IN-LOOP TESTING OF A DIFFERENTIAL RELAY USED TO PROTECT SINGLE/DOUBLE CIRCUIT TRANSMISSION LINES

被引：0

作者：

Ledwaba, Tumiso ^{[1
]}

Senyane, Karabo ^{[1
]}

Van Coller, John ^{[1
]}

机构：

[1] Univ Witwatersrand, Sch Elect & Informat Engn, Johannesburg, South Africa

来源：

2019 SOUTHERN AFRICAN UNIVERSITIES POWER ENGINEERING CONFERENCE/ROBOTICS AND MECHATRONICS/PATTERN RECOGNITION ASSOCIATION OF SOUTH AFRICA (SAUPEC/ROBMECH/PRASA) | 2019年

关键词：

differential protection; double circuit transmission line; Real Time Digital Simulator (RIDS); series compensation;

D O I：

10.1109/robomech.2019.8704742

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：

The results and findings of testing an ABB RED670 current differential relay protecting a 400 kV transmission line that spans a length of 400 km is presented. The relay is configured such that it clears all internal faults and does not issue trip signals for external faults for a single circuit line without series capacitor compensation. The effects of each of the following on the response of the relay are then investigated: the addition of another circuit on the same tower, the insertion of mid-line series capacitors on the single circuit to compensate for 30% of the line inductive reactance and the simultaneous addition of another circuit on the same tower and series capacitors on the now double circuit line. The relay was able to trip for all internal faults and the average time to clear faults was 30 ms (1.5 cycles). The relay was also able to not issue trip signals for all faults initiated on the adjacent circuit.

引用

页码：347 / 352

页数：6

共 35 条

[1] Hardware-In-Loop Testing of a Differential Relay Used to Protect Single/Double Circuit Transmission Lines
Ledwaba, Tumiso
Senyane, Karabo
Van Coller, John
Proceedings - 2019 Southern African Universities Power Engineering Conference/Robotics and Mechatronics/Pattern Recognition Association of South Africa, SAUPEC/RobMech/PRASA 2019, 2019, : 347 - 352
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[4] Hardware-in-the Loop Testing of Power Transformer Differential Relay Using RTDS and DSP
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ELECTRICAL ENGINEERING, 2020, 102 (04) : 2401 - 2411
[8] Impedance-Differential Protective Algorithm for Double-Circuit Transmission Lines
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PRZEGLAD ELEKTROTECHNICZNY, 2019, 95 (11): : 240 - 244
[9] Traveling-wave differential relay scheme for double-circuit parallel lines on the same pole
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[10] Adaptive distance protection of double-circuit lines based on differential equation fault loop model
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