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A Method of Safe Operation Control of Smart Distribution System
Pages: 357-366
Year: Issue:  12
Journal: Transactions of China Electrotechnical Society

Keyword:  Distributed generationsnodal voltage and line loading ratemulti-stage decisionsensitivity analysis;
Abstract: Since the installation of distributed generators(DGs) with high penetration, the configuration and power flow profile of distribution system will be changed, and it is necessary to reform the control methods of nodal voltage and line loading rate. A multi-stage decision of sensitivity analysis method is presented in this paper to control the moment time of nodal voltage and line loading rate, and it is organic integration of regulation of output for distributed generators and reactive power compensation device, network reconfiguration, and load shedding. Whether the stage is executed or not based on the value of state function. The variation of load and DGs output within a day is simulated to generate the corresponding control measures of nodal voltage and line loading rate over the limit. The effectiveness of the propose approach is demonstrated by simulations on the improved IEEE 33-nodes systems.
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