Variable speed pumping-up electrical power system

Details Variable speed pumping-up electrical power system Variable speed pumping-up electrical power system

F - Mech Eng,Light,Heat,Weapons

03

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341/91

F03B 15/04 (2006.01) H02J 15/00 (2006.01) H02P 9/42 (2006.01)

Patent

CA 1308459

ABSTRACT OF THE DISCLOSURE Disclosed in a variable speed pumping-up electrical power system comprising a variable speed generator/motor, a frequency converter connected between the generator/motor and an a.c. power system, a controller controlling an effective power input to the generator/ motor by controlling the frequency converter on the basis of the difference between an actual effective power input from the a.c. power system and an externally- applied effective power command, and a correction circuit correcting the effective power command on the basis of the difference between the frequency of the a.c. power system and a frequency setting.

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