The power and speed control device for a turbo-generator set of the invention has a generator, a turbine, and a governing valve with a positioning control input, for regulating steam fed to the turbine. The device includes a turbine speed controller, a turbine power controller, a maximum selection c
The power and speed control device for a turbo-generator set of the invention has a generator, a turbine, and a governing valve with a positioning control input, for regulating steam fed to the turbine. The device includes a turbine speed controller, a turbine power controller, a maximum selection circuit, a minimum selection circuit, a summing stage, and a device for supplying a constant reference value to the input of the summing stage. The controllers are connected to the maximum selection circuit and the speed controller is additionally connected to the summing stage. The summing stage is connected to the minimum selection circuit, the maximum selection circuit is connected to the minimum selection circuit, and the minimum selection circuit is fed to the positioning control input of the governing valve.
대표청구항▼
Power and speed control device for a turbo-generator set having a generator, a turbine, and a governing valve with a positioning control input, for regulating steam fed to the turbine, comprising a turbine speed controller and a turbine power controller each having an output; a maximum selection cir
Power and speed control device for a turbo-generator set having a generator, a turbine, and a governing valve with a positioning control input, for regulating steam fed to the turbine, comprising a turbine speed controller and a turbine power controller each having an output; a maximum selection circuit, a minimum selection circuit and a summing stage each having a first and a second input and an output, and means for supplying a constant reference value to said first input of said summing stage, each of said outputs of said controllers being connected, respectively, to an input of said maximum selection circuit for switching between speed and power control, said output of said speed controller being additionally connected to said second input of said summing stage, said output of said summing stage being connected to said first input of said minimum selection circuit, said output of said maximum selection circuit being connected to said second input of said minimum selection circuit, and said output of said minimum selection circuit being fed to the positioning control input of the governing valve.
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이 특허에 인용된 특허 (2)
Nurnberger Rainer (Nuremberg DEX) Nypl Miroslav (Zirndorf DEX), Control device for turbines with speed and load control.
Matsumoto ; Hiroshi ; Nakano ; Yoshiyuki ; Higashi ; Toshihiko ; Yasumo to ; Akihiro, Steam turbine control system and method of controlling the ratio of steam flow between under full-arc admission mode an.
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