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The overexcitation limit of synchronous generator plays an important role in the voltage stability of power systems. Achieving maximum use of the overexcitation capability requires adequate coordination between generator control and protection. This paper provides an example of coordination between overexcitation limiter (OEL), field overcurrent protection and automatic voltage regulator (AVR) for...
This paper presents a general approach to locate any type of fault on either a single-circuit or a double-circuit transmission line when only voltage sag data are available. The voltage measurements employed can be from one bus, two buses, or more buses, which are not restricted to those of the faulted section. It is assumed that the network data are available and the fault type is known. Quite encouraging...
The impact of distributed generation (DG) in a distribution network depends on the design of the protection system and the coordination between the different protective devices. This paper presents the main features of a library of protective devices implemented in an EMTP-type tool for power quality studies in distribution networks with distributed generation. The document discusses the present protection...
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