Deepening Construction of Jiangsu Source-Network-Load Millisecond-level Precise Load Control System Suitable for UHV Power Grid Operation

doi:10.11930/j.issn.1004-9649.201801082

Abstract

Abstract: Based on an analysis of the characteristics of Eastern China UHV grid and the necessity of the frequency control of the Eastern China power grid in the end of 2019, the paper calculates the capacity demand for load-shedding of Jiangsu power grid. According to the construction and operation situation of China's first set of source-network-load friendly interactive system, which has been put into operation in Jiangsu Power Grid, a deepening construction plan is proposed. Through inclusion of the load of power plant's auxiliary generator units for the precise control of source-network-load which doesn't affect the power output of the generator units, a hierarchical partition communication structure is established, which is adaptable to the large-scale, multi-type millisecond response. After a comparison of the technical schemes, the system's overall structure is optimized into four levels, including the control center, main control station, control substation and control terminal. The deepening construction plan is of great significance for the state grid to further promote and strengthen the construction of millisecond-level precise load control system of source-network-load.

Key words: source-network-load, millisecond level, deepening construction, precise load-shedding, generator unit

CLC Number:

TM73

QIAN Junxia, LUO Jianyu, JIANG Yefeng, LUO Kaiming, JIANG Tairong, Li Yaping, LIU Lin, ZHANG Huacheng, SHI Huijuan. Deepening Construction of Jiangsu Source-Network-Load Millisecond-level Precise Load Control System Suitable for UHV Power Grid Operation[J]. Electric Power, 2018, 51(11): 104-109.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.1004-9649.201801082

https://www.electricpower.com.cn/EN/Y2018/V51/I11/104

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