LIU Wenxia,HAN Hui.Evaluation of Distribution Network Voltage Fluctuation Caused by Multiple Cyber Control Failures[J].Automation of Electric Power Systems,2020,44(9):69-77.
LIU Wenxia,HAN Hui.Evaluation of Distribution Network Voltage Fluctuation Caused by Multiple Cyber Control Failures[J].Automation of Electric Power Systems,2020,44(9):69-77. DOI: 10.7500/AEPS20190710002.
Evaluation of Distribution Network Voltage Fluctuation Caused by Multiple Cyber Control Failures
With the access of renewable energy and application of voltage management system
the distribution network more relies on cyber system to realize active control
thus the cyber failure will inevitably affect the system state. In order to evaluate the influence of cyber failure on the voltage of distribution network
a validity model for cyber system considering various cyber failure factors is firstly established. Secondly
the distribution index and over-limit probability index are introduced to demonstrate the voltage fluctuation. Thirdly
a method is presented for analyzing the influence of voltage fluctuation considering different failures. Finally
indices with cyber failure are evaluated by using sequential Monte Carlo simulation. The model feasibility is verified by the test system
and the influence of different cyber failure factors on voltage fluctuation is discussed
thus providing practical technical support for the planning and operation of cyber physical distribution system.
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