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The high penetration of wind power into the distribution network has an increasing impact on the voltage stability. In this paper, an assessment index of impedance modulus margin (IMM) is proposed to evaluate the bus voltage stability of distribution networks with wind power. The hybrid passive and active loads are modeled to a generalized load that can consider the output characteristics of the wind...
This paper mainly proposed a method for setting a suitable generator voltage-class-reduction scheme through analyzing the risk of cascading blackout. With the increasing urban load, power supply is insufficient at the load center area. But it is hard and expensive to build a new substation in the load center area directly. Generator voltage-class-reduction operation is an effective and economical...
This study proposes a comprehensive decision-making method considering voltage risk to coordinate preventive and corrective control for voltage stability of power system. The voltage risk is quantified in the form of economic index with considering the uncertainty of postulated contingencies. Then, a non-linear optimisation model with the objective of minimising voltage risk is performed to coordinate...
With the infusion of information communication technology (ICT) and power infrastructures, the power systems is becoming a large and complex cyber physical system (CPS). In the CPS, a crucial problem for the evaluation of control systems to face disturbances/faults is transmission time delay in the communication network. In this paper, a hybrid simulation model is established to simulate the operation...
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