To benefit form advantages of parallel operation of diesel-generators, their rapid and smooth synchronization is required. A new method in design and implementation of such a synchronizer, based on phase locked loop (PLL), is described and test results are presented.
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To benefit form advantages of parallel operation of diesel-generators, their rapid and smooth synchronization is required. A new method in design and implementation of such a synchronizer, based on phase locked loop (PLL), is described and test results are presented.
The synchronizer automatically controls the generator to achieve zero phase difference, and then issues the synchronization command. The main advantage of the method over other synchronizers is to lock on the perfect synchronous state using PLL. Thus, there is no need to consider circuit breaker operating time and to estimate proper synchronization instant. The result is faster and more reliable synchronization as compared to the existing types
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