Precise control circuit of electro-hydraulic servo valve and gas turbine generator set
A technology of electro-hydraulic servo valve and control circuit, which is applied in the direction of gas turbine device, fuel control of turbine/propulsion device, engine components, etc. It can solve the problem that the electro-hydraulic servo valve cannot achieve precise control, and achieve the effect of precise control of the speed
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[0024] The embodiments of the present invention will be described in detail below with reference to the accompanying drawings, but the present invention may be implemented in a variety of different ways defined and covered below.
[0025] Such as figure 1 As shown, the preferred embodiment of the present invention provides a precise control circuit for the electro-hydraulic servo valve, which is used to accurately control the current input to the electro-hydraulic servo valve, so that the size of the valve opening can be precisely adjusted to precisely control the flow into the generator set The amount of oil can finally achieve the purpose of accurately controlling the speed of the generator set. The precise control circuit of the electro-hydraulic servo valve includes a latch circuit 11, a D / A conversion circuit 12, a negative feedback control circuit 13, and a voltage stabilizing circuit 14. The latch circuit 11 is used to connect with an external control device, The D / A conve...
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