Research on Voltage Sags Influence of High Voltage Level and Bulk Experiment Base Access to Power System

doi:10.11930/j.issn.1004-9649.2016.08.017.04

Electric Power ›› 2016, Vol. 49 ›› Issue (8): 17-20.DOI: 10.11930/j.issn.1004-9649.2016.08.017.04

• Power System • Previous Articles Next Articles

Research on Voltage Sags Influence of High Voltage Level and Bulk Experiment Base Access to Power System

ZHANG Zhiqiang¹, TANG Xiaojun¹, LI Xiaojun¹, WANG Xiaoyang¹, ZHANG Bo², LV Pan³

1. China Electric Power Research Institute, Beijing 100192, China;
2. China Electric Power Equipment and Technology CO. LTD.,Beijing 100052, China;
3. State Grid Xinjiang Economic Research Institute, Urumqi 830016, China

Received:2016-03-29 Online:2016-08-10 Published:2016-08-12
Contact: This work is supported by Science and Technology Program of State Grid Corporation of China (No. XT71-13-037).

Abstract

Abstract: An electric switch experimental study base, which operates on the highest voltage level domestically, will access to Gansu 330 kV Tianshui power grid. The main experiments in the base are switch dynamic and thermal current experiments and transformer short circuit experiments. During experiments, the continuous short circuit will cause severe voltage sags of Gansu power system. In order to evaulate effects of voltage sags to power system, appropriate standard is first selected to check experiment base accessing. Based on actual data of Gansu power grid, simulation of voltage sag value is performed for different experiment projects and experiment capacities. The impacts of voltage sags to power system protection settings, power plant auxiliary machine and surrounding sensitive load equipment are analyzed according to simulation results and national standard. The results can be used to support security assessment of large-capacity switch electrical short-circuit experiment base accessing to system.

Key words: Gansu power grid, experiment base, electric switch, voltage sag

CLC Number:

TM712

ZHANG Zhiqiang, TANG Xiaojun, LI Xiaojun, WANG Xiaoyang, ZHANG Bo, LV Pan. Research on Voltage Sags Influence of High Voltage Level and Bulk Experiment Base Access to Power System[J]. Electric Power, 2016, 49(8): 17-20.

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Research on Voltage Sags Influence of High Voltage Level and Bulk Experiment Base Access to Power System

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