NDLI: Frequency response estimation method for high wind penetration considering wind turbine frequency support functions

Content Provider	IET Digital Library
Author	Yan, Ruifeng Saha, Tapan Kumar
Abstract	To achieve renewable energy targets, more wind turbine generators (WTGs) are being integrated into many power networks around the world. However, unlike traditional synchronous generators, modern WTGs are driven by power electronic devices which provide almost zero inertia and frequency response to frequency related events such as generator tripping. Wind manufacturers and researchers have been working on synthetic WTG inertia support, which can better utilise the rotational nature of WTGs. However, synthetic inertia alone may be insufficient under certain circumstances to prevent automatic under frequency load shedding after generation tripping, which causes security concerns for network operation. Consequently, WTG active power control (APC, similar to governor control) should be activated to improve network security. However, APC will costly reduce WTG output from the maximum power point and result in financial concerns. Therefore when and how much APC service should be activated becomes an extremely important question, which has not been addressed in the literature. This study develops a new method to quickly estimate frequency response caused by generator tripping hence system operators can use this proposed method to continuously evaluate inertia and headroom competency and accordingly activate the amount of WTG inertia and APC required for reliable system operation.
Starting Page	775
Ending Page	782
Page Count	8
ISSN	17521416
Volume Number	9
e-ISSN	17521424
Issue Number	Issue 7, Sep (2015)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-rpg/9/7
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-rpg.2014.0364
Journal	IET Renewable Power Generation
Publisher Date	2015-04-13
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Aerodynamics Control of Electric Power System Control Technology And Theory Fluid Mechanics Frequency Response Frequency Response Estimation Method Generator Tripping High Wind Penetration Mechanical Engineering Network Security Power And Energy Control Power And Plant Engineering Power Control Power Electronic Device Power Generation Control Synthetic WTG Inertia Support Wind Power Wind Power Plant Wind Turbine Wind Turbine Frequency Support Function Wind Turbine Generator WTG Active Power Control
Content Type	Text
Resource Type	Article
Subject	Renewable Energy, Sustainability and the Environment

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