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Intelligent function associated with a colored Petri net (CPN) inference model is developed for service restoration of power system of semiconductor industry (SI). The CPN models for a four-way switch and other power components are proposed to implement proper restoration plan after the faulted location has been identified and isolated. The unfaulted but out of service areas are restored efficiently...
This paper presents the dispatch of reactive power compensation and real power curtailment of PV systems to prevent the over voltage violation when load transfer between distribution feeders is executed. The voltage sensitivity factors of reactive power injection at all PV buses are derived according to the configuration of distribution network. The Advanced Distribution Automation System (ADAS) issues...
This paper is to study the enhancement of power system quality for distribution feeders with wind generator (WG) by applying the static synchronous compensator (STATCOM) to provide the voltage support during fault contingency. The critical clearing time for circuit breaker tripping to isolate the fault is derived by considering the low voltage ride through capability of WG and the reactive power compensation...
An operational strategy for secondary power system restoration using grey relational analysis (GRA) is presented. The restoration scheme can be divided into three steps involving fault section determination, recovering process and voltage correction process. Three GRAs are incorporated to design the overall restoration scheme. The first GRA uses the network-switching status to identify the fault....
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