JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE) ›› 2017, Vol. 47 ›› Issue (6): 77-82.doi: 10.6040/j.issn.1672-3961.0.2016.492

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Scheme analysis on GW-scale coastal mud flat PV system connected to power grid

CONG Yini1, CAO Zenggong2, MU Hong2, WANG Chunyi2, LIU Yutian1*   

  1. 1. School of Electrical Engineering, Shandong University, Jinan 250061, Shandong, China;
    2. State Grid Shandong Electric Power Company, Jinan 250001, Shandong, China
  • Received:2016-12-26 Online:2017-12-20 Published:2016-12-26

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Abstract: In order to reduce the effect of connecting GW-scale coastal mud flat photovoltaic(PV)system to the power grid and to ensure the secure, stable as well as economical operation of the power grid, different connection schemes of connecting GW-scale coastal mud flat PV system to the power grid were analyzed. It was proposed that GW-scale coastal mud flat PV system was divided into two parts, which were electrically independent but correlative, and they were connected to the 220 kV sides of two nearby substations. The fundamental principle of connecting GW-scale PV system to the power grid was proposed. It not only satisfied the requirement of connecting large-scale PV system to the power grid, but also ensured the secure and stable operation of the power grid. The case study of Shandong power grid verified the feasibility of the proposed connection scheme in aspects of the load flow distribution, static security and transient stability.

Key words: load flow distribution, static security, PV power generation, connection schemes, transient stability

CLC Number: 

  • TM615
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