F - Mech Eng,Light,Heat,Weapons – 01 – D
Patent
F - Mech Eng,Light,Heat,Weapons
01
D
323/1
F01D 21/14 (2006.01) H02P 29/00 (2006.01)
Patent
CA 1307318
Abstract of the Disclosure A helper drive apparatus for a turbine drive system in which a load is mainly driven by a turbine and a helper motor is used for assisting the drive for the load, comprising: a turbine control circuit, coupled to the turbine, for controlling output power of the turbine in accordance with a turbine power reference signal; a motor control circuit, coupled to the helper motor, for controlling output power of the helper motor in accord- ance with a motor power reference signal; a speed control means, coupled to the turbine, for detecting a difference between a given speed reference signal and a speed signal indicating an operation speed of the turbine, and providing a master power reference signal representing the difference; and a power sharing ratio control circuit, coupled to the speed control circuit, turbine control circuit, and motor control circuit, and being responsive to a given power sharing instruction signal, for sharing the master power reference signal to the turbine power reference signal and the motor power reference signal such that a ratio between the turbine power reference signal and the motor power reference signal depends on a value of the given power sharing instruction signal.
545183
Hirata Akio
Kuroiwa Akihiko
Mose Tadao
Nakagawa Teruo
Saito Suzuo
Marks & Clerk
Toshiba Mitsubishi-Electric Industrial Systems Corporation
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