Review of Emulated Inertial Response Control Technology of DFIG-based Wind Turbine Generator

doi:10.11930/j.issn.1004-9649.2014.11.79.4

Electric Power ›› 2014, Vol. 47 ›› Issue (11): 79-83.DOI: 10.11930/j.issn.1004-9649.2014.11.79.4

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Review of Emulated Inertial Response Control Technology of DFIG-based Wind Turbine Generator

YANG Lie-luan¹, DING Kun^{2, 3}, WANG Ning-bo^{2, 3}

1. Gansu Electric Power Corporation, Lanzhou 730030, China;
2. Gansu Electric Power Corporation Wind Power Technology Center, Lanzhou 730030, China;
3. Key Laboratory of Renewable Energy Generation Integration, Operation and Control, Lanzhou 730030, China

Received:2014-07-18 Online:2014-11-18 Published:2015-12-08
Supported by:
This work is supported by National High Technology Research and Development Program of China (863 Program)(2012AA050203); Science and Technology Project of State Grid Corporation of China (52272712006; 522727120012)

Abstract

Abstract: Inertial response can be implemented on wind turbine generator (WTG) equipped with doubly fed induction generator (DFIG) via emulated control strategies to mitigate frequency deviation during power system transient process. Three types of emulated inertial response control strategies are reviewed in this paper. The first is to introduce frequency deviation or its derivative in the MPPT control strategy, and process it with emulated inertial control loop and output the supplemental control reference value of DFIG-WTG’s torque or active power. The second method provides short-time over production instead of MPPT control to emulate inertial response. The last method is to utilize flux magnitude and angle control(FMAC) strategy to operate DFIG-WTG in the way of synchronous generator, a different control strategy from traditional vector control. By setting reasonable parameters, the three methods mentioned above can effectively utilize the rotor’s kinetic energy.

Key words: wind turbine generator, inertial response, doubly fed induction generator, variable speed

CLC Number:

TM614

YANG Lie-luan, DING Kun, WANG Ning-bo. Review of Emulated Inertial Response Control Technology of DFIG-based Wind Turbine Generator[J]. Electric Power, 2014, 47(11): 79-83.

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Review of Emulated Inertial Response Control Technology of DFIG-based Wind Turbine Generator

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