Abstract
High penetration of renewable and distributed energy resources in the low voltage distribution network close to the point of consumption can lead to congestion in the network. Demand response is one of the effective techniques utilized for mitigating congestion. This paper proposes a congestion mitigation method using only existing network facilities without incorporating any external device. It makes use of Power Transfer Distribution factor (PTDF) to implement demand response for congestion management. Firstly, for every hourly load the congested lines and loads contributing to congestion of these lines are identified. Loads of these lines will be fully or partially shifted to other time slots to relieve the congested lines. The loads to be shifted, and the time slot where will be shifted, for congestion mitigation, are identified using the PTDF matrix. The proposed methodology is validated for IEEE 14 bus test system.
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