NDLI: Sensitivity analysis of load-damping, generator inertia and governor speed characteristics in hydraulic power system frequency regulation

Content Provider	IEEE Xplore Digital Library
Author	Hao Huang Fangxing Li
Copyright Year	2014
Description	Author affiliation: Customized Energy Solutions, Philadelphia, PA, USA (Hao Huang) \|\| Electr. Eng. & Comput. Sci. Dept., Univ. of Tennessee, Knoxville, TN, USA (Fangxing Li)
Abstract	Maintaining the balance of generation and load is the most important factor in a power system for frequency regulation. Recently, controllable load and renewable energy are integrated increasingly in power grid. In practice, this may have substantial impact on system frequency response (SFR). This paper investigates the effect of load-damping, generator inertia and governor speed characteristics on system frequency using typical SFR model with hydraulic generation. Theoretic analysis based on transfer functions shows that the frequency deviation under variable load-damping, generator inertia and governor speed coefficients is relatively small and bounded when the power system is essentially stable; while the frequency deviation can be accelerated when a power system is unstable after disturbance. Multiple-machine cases are also included in the analysis with verifications by simulation studies. The conclusion can be useful for system operators for decision-making of frequency regulation or load control.
Starting Page	1
Ending Page	6
File Size	2691889
Page Count	6
File Format	PDF
ISBN	9780646923758
DOI	10.1109/AUPEC.2014.6966474
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-09-28
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	ACPE
Subject Keyword	Time-frequency analysis load control sensitivity analysis frequency deviation stability analysis Power system stability Educational institutions Generators Demand response system frequency response (SFR) Frequency control frequency sensitive load Sensitivity Load management
Content Type	Text
Resource Type	Article

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