Overview of Offshore Wind Power Collection System

doi:10.12204/j.issn.1000-7229.2021.06.011

Abstract

Abstract:

In the face of the energy crisis and environmental pollution problems around the world, wind power generation is one of the effective solutions. Compared with onshore wind power, offshore wind power has the advantages of rich wind resources, no land restriction and high annual utilization hours, so it has broad development prospects. Collection systems are important parts of offshore wind farm, which affect planning investment and reliable operation of the whole wind farm. Firstly, topologies of the AC and DC collection systems and use of circuit breakers are compared and analyzed. Secondly, optimal design of collection systems is systematically explained from the perspectives of economy and reliability. Then, key equipment affecting collection systems development and technical state are summarized. Finally, challenges and future prospect of collection systems are presented.

Key words: offshore wind power, collection system, topology, optimal design, economy, reliability

CLC Number:

TM614

SUN Ruijuan, LIANG Jun, WANG Kewen, WANG Yaoqiang. Overview of Offshore Wind Power Collection System[J]. ELECTRIC POWER CONSTRUCTION, 2021, 42(6): 105-115.

Figures/Tables 5

Fig.1 Topology of AC collection system

Fig.2 Topology of DC collection system

Table 1 Comparison of collection system topologies

Fig.3 Configuration scheme of circuit breakers

Table 2 Comparison of circuit breaker configuration schemes for collection system

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