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This paper investigates the impacts of circuit breaker performance on voltage instability corrective actions for power systems with distributed generations (DGs) under contingencies, and proposes a new computer network-aided strategy for stability improvement. This strategy aims to save a distribution system from imminent voltage collapse due to contingencies occurring in subtransmission system, distribution...
Recently electricity generation from wind power has been increasingly popular worldwide. This paper proposes an adaptive protection and control strategy for interfacing the wind-powered distributed generators into the utility power distribution grids. The requirements for the interfacing are defined according to the IEEE-1547 standards. This paper presents the adaptive interfacing controls and protections...
Distributed generations (DGs) powered by renewable energy resources have become increasingly popular and starts to show benefits, but their connection to distribution systems brings operation challenges that must be carefully monitored and controlled. This paper proposes a new network-enabled, real-time monitoring strategy for tracking the operating states of the distribution system, with a focus...
Recently increased use of network-enabled devices in power systems, rapid development of distributed generations from renewable energy resources, and government-imposed open access competition have resulted utilities in greater reliance on computer networks for proper power grid operations. This paper proposes a new two-level architecture for power-grid computer networks and to strength the networks'...
This paper proposes a new strategy for computer network-assisted corrective actions against short-term and long-term voltage instabilities in the electricity power distribution system connected with renewable-energy distributed generations. The proposed strategy aims to save the distribution system from imminent voltage collapse due to contingencies occurring in the subtransmission network, distribution...
Cyber-security for computer networks has become a fairly serious concern for electricity utilities due to recent deregulations and distributed generations (DGs) launched in the power system. This paper proposes a new computer network security strategy for coordinated distribution system operations with open access electricity generations. A novel utility computer network security management and authentication...
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