NDLI: Precise equivalent model of small hydro generator cluster and its parameter identification using improved Grey Wolf optimiser

Content Provider	IET Digital Library
Author	Zhou, Jianzhong Zhu, Wenlong Zheng, Yang Li, Chaoshun
Abstract	With the total installed capacity of small hydro generator cluster (SHGC) continues to grow rapidly, the effect of SHGC will have affected to the security and stability of the main network in China, especially to power oscillations of passageway of ultra-high-voltage AC and DC. Thus, a precise equivalent model of SHGC is proposed in this study. In the proposed model, the fifth-order model of generator is adopted as the equivalent generator model, the excitation system is simplified into proportional feedback control model and exponential load model is used as equivalent load model. In addition, Grey Wolf optimiser with chaotic local search is designed to identify the parameters of the equivalent model. Finally, the proposed equivalent technique is applied in one simulation experiment and one practical experiment. The experimental results demonstrate that the validity and accuracy of the proposed equivalent model and identification method in solving dynamic equivalent of SHGC in engineering practice.
Starting Page	2108
Ending Page	2117
Page Count	10
ISSN	17518687
Volume Number	10
e-ISSN	17518695
Issue Number	Issue 9, Jun (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/10/9
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2015.1141
Journal	IET Generation, Transmission & Distribution
Publisher Date	2016-06-09
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Chaotic Local Search China Combinatorial Mathematics Equivalent Generator Model Equivalent Load Model Excitation System Exponential Load Model Fifth-order Model Hydroelectric Generator Hydroelectric Power Stations And Plant Improved Grey Wolf Optimiser Optimisation Optimisation Technique Parameter Estimation Parameter Identification Pattern Clustering Power Oscillation Power System Control Power System Security Power System Stability Proportional Feedback Control Model Search Problem Security SHGC Small Hydrogenerator Cluster Stability Ultrahigh-voltage AC Model Ultrahigh-voltage DC Model
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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