EE 412_ParallelOperation.pdf - 1 2 3 4 Continuity of service Load Sharing for better efficiency Maintenance and Repair Additions to Plant\/future

# EE 412_ParallelOperation.pdf - 1 2 3 4 Continuity of...

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Why connect generators in parallel? 1)Continuity of service
Sample Diagram Two (2) shunt generators connected in parallel. Method of Solution 1) Graphical method –if the external characteristics are given (kW-rating, voltage rating, regulation,etc.) 2) Circuit analysis –if the internal characteristics are given(Eg,resistances,e tc.)
Sample Problem 1)Two shunt generators A & Boperate in parallel and their load characteristic may be taken as straight line. The voltage of generator Afalls from 240V at no load to 220V at 200A, while that of Bfalls from 245V at no-load to 220V at 150A. Determine the current supplied by each machine to a common load of 300 A and the common bus bar voltage Ans.

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