Wind Power Virtual Synchronous Generator Frequency Regulation Characteristics Field Test and Analysis

2018 2nd International Conference on Green Energy and Applications (ICGEA) Pub Date : 2018-03-01 DOI:10.1109/ICGEA.2018.8356309

Y. Cui, P. Song, X. Wang, W. Yang, H. Liu, H. Liu

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引用次数: 6

Abstract

Compared with conventional synchronous generators, wind turbines are connected to power grid through converters. Active power response and grid frequency are decoupled. Wind turbines do not have the ability of active frequency support. With the rapid development of new energy power in China, wind power penetration continues to increase. New challenges of gird frequency stability occur. Virtual synchronous generator (VSG) Demonstration Project is built in Zhangbei Wind, Photovoltaic and Energy Storage Station by State Grid. Through the VSG technology reform of wind turbines, active frequency regulation ability is possessed. Reserve capacity and rotor inertia control technical routes of wind power virtual synchronous generator (WPVSG) are introduced. A field test method is presented. The method is based on analog frequency disturbance applied to the secondary side. Field test is conducted. The results show that WPVSG has ability of active frequency regulation support. Two kinds of control methods have their own characteristics.

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风电虚拟同步发电机调频特性现场试验与分析

与传统的同步发电机相比，风力发电机通过变流器与电网相连。有功功率响应与电网频率解耦。风力涡轮机不具备主动频率支持能力。随着中国新能源电力的快速发展，风电渗透率不断提高。电网频率稳定性面临新的挑战。虚拟同步发电机(VSG)示范工程是国家电网在张北风能、光伏和储能电站建设的。通过风力发电机组VSG技术改造，具备了主动调频能力。介绍了风电虚拟同步发电机(WPVSG)的备用容量和转子惯量控制技术路线。提出了一种现场试验方法。该方法基于对二次侧施加模拟频率干扰。进行了现场试验。结果表明，WPVSG具有主动调频支持能力。两种控制方法各有特点。

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2018 2nd International Conference on Green Energy and Applications (ICGEA)

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