Sujarit Muangchareon and Atthapol Ngaopitakkul
Distributed generation, Fault, Protective device, Distribution System
This paper proposes to study the effects of protection system, when 8 MW synchronous generator interconnected to distribution System of PEA. The three phase fault is simulated using digital simulation and electrical network calculation program (DIgSILENT). The type and size of conductor, distance of distribution line, location of protection device, maximum power of load, and location of load that are parameter of PEA, are investigated. The results are shown that, in case of DG interconnecting with distribution system, if a fault occurs, fault current is increased and fault current from substation is decreased. It causes to maloperation of protective device.
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