Large fan / turbine digital flow control system
Hydraulic servo system is widely used to control various regulating valves. Due to the servo system design, installation, debugging and maintenance difficult, complex structure, anti-interference, anti pollution ability is poor, maintenance requirements are very strict, reliability is not high, so steam turbine speed control for many years has to be a technical problem, drive and control system of a large number of devices rely on foreign imports, industrial development severely restricted. The emergence of digital hydraulic technology, not only greatly improve the various defects of the servo system, the full set of system structure, use and maintenance of a simplified, improve system reliability, precision and so on, core components of get rid of the dependence on imported products, steam turbine digital control of a leap of technology progress.
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