黑启动火电机组后储能型风电场的调控策略研究

doi:10.12028/j.issn.2095-4239.2016.0087

储能科学与技术 ›› 2017, Vol. 6 ›› Issue (1): 147-153.doi: 10.12028/j.issn.2095-4239.2016.0087

黑启动火电机组后储能型风电场的调控策略研究

米增强1，白俊1，刘力卿1，范卫东2，杨再敏2

1华北电力大学新能源电力系统国家重点实验室，河北保定 071003；2 国网内蒙古东部电力有限公司调度控制中心，
内蒙古自治区呼和浩特 010000

收稿日期:2016-10-27 修回日期:2016-12-02 出版日期:2017-01-03 发布日期:2017-01-03
通讯作者: 米增强（1960—），男，教授，研究方向为新能源电力系统，E-mail：mizengqiang@sina.com。
作者简介:米增强（1960—），男，教授，研究方向为新能源电力系统，E-mail：mizengqiang@sina.com。
基金资助:
国家电网公司科技项目（SGMD 0000DDJS1500096）。

Research on regulation strategy of storage-based wind farm after black-start of thermal power unit

MI Zengqiang1, BAI Jun1, LIU Liqing1, FAN Weidong2, YANG Zaimin2

1 State Key Laboratory of Alternate Electrical Power System With Renewable Energy Sources, North China Electric Power University, Baoding 071003, Hebei, China; 2Power Dispatching Control Center, State Grid East Inner Mongolia Electric Power Company Limited, Huhhot 010000, Inner Mongolia, China

Received:2016-10-27 Revised:2016-12-02 Online:2017-01-03 Published:2017-01-03

摘要/Abstract

摘要： 利用储能型风电场作为黑启动电源带动局域电网内的火电机组启动后，将其与火电机组组成风储火系统并列运行，对提高电网的恢复速度具有重要作用。为形成风储火系统并使其在局域电网后续恢复过程中能够保持稳定，提出了一种在启动火电机组后储能型风电场的控制策略：在电池储能系统控制单元中采用基于控制器状态跟随的平滑切换控制方法，并通过对其控制策略的切换点进行调整，以使电池储能系统能够在火电机组与储能型风电场并列运行瞬间实现由V/f控制到P/Q控制的无缝切换；在电池储能系统控制单元中建立附加惯性控制器和附加频率下垂控制器以提高风储火系统的频率稳定性，在双馈风电机组控制单元中建立附加电压下垂控制器以提高风储火系统的电压稳定性。仿真结果表明：利用所提调控策略能够在火电机组与储能型风电场并列运行瞬间，使电池储能系统的控制策略进行平滑切换，并能使风储火系统在恢复局域电网内其它机组或负荷时保持稳定。

关键词: 储能型风电场, 黑启动电源, 控制策略切换, 附加惯性控制

Abstract: Parallel operation of a storage-based wind farm and a thermal power unit can play a positive effect on improving the recovery rate of a local power grid is black-started using the wind farm as the power source to drive the thermal power unit. This paper presents a control strategy for such a hybrid system in order to maintain the network stability. In such an approach, the following are proposed: (a) smooth switching control is achieved through following the state of the Battery Energy Storage System (BESS) P/Q controller, and the switching point of the BESS from V/f to P/Q; (b) using an additional inertial controller and an additional frequency droop controller in the BESS control unit to improve frequency stability of the wind-battery-thermal unit hybrid system; and using an additional voltage droop controller in DFIG control unit to improve the voltage stabilith of the wind-battery-thermal unit hybrid network. Simulation results showed that the use of the proposed control strategy can realize smooth switching of BESS control and effectively improve the voltage and frequency stability of the wind-battery-thermal unit hybrid network.

Key words: storage-based wind farm, black-start power source, control strategy switch, additional inertial control

米增强1，白俊1，刘力卿1，范卫东2，杨再敏2. 黑启动火电机组后储能型风电场的调控策略研究[J]. 储能科学与技术, 2017, 6(1): 147-153.

MI Zengqiang1, BAI Jun1, LIU Liqing1, FAN Weidong2, YANG Zaimin2. Research on regulation strategy of storage-based wind farm after black-start of thermal power unit[J]. Energy Storage Science and Technology, 2017, 6(1): 147-153.

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黑启动火电机组后储能型风电场的调控策略研究

Research on regulation strategy of storage-based wind farm after black-start of thermal power unit

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