YWT Microcomputer Low Voltage Unit Special Use Hydro Turbines Governor

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YWT Microcomputer Low Voltage Unit Special Use Hydro Turbines Governor adopts high-performance programmable controller as hardware main body. It matches with suitable machinery Hydrawlic Slave System, realize water turbine generator unit’s speed regulation and generation control. Programmable logic controller is based on the microprocessor. It’s an universal industrial automatic control device integrated modern computer technology, automation control technology and communication technology. It has the advantages of small volume, strong function, high reliability,simple programming,convenient maintain etc, specially adapt the bad industrial environment. Main Features: Adopt programmable controller as hardware main body, high reliability, MTBF≥25000 hour. With the model of frequency (rotate speed) and opening regulation, suitable for hydropower plant different work situation requirements. Frequency (rotate speed) measurement is realized by PLC. Simple external circuit improves complete machine’s antijamming capability and reliability. Frequency regulation mode uses PID adjustment rules,opening adopts PID adjustment rules. Main Technical Parameters: Unit power grid frequency signal: Signal voltage normla work range: 0.5-130V, normal frequency measurement range: 5-100HZ, frequency measurement precision: ≤±0.002HZ Guide vane position feedback signal: exerciser offers voltage: +24V, Guide vane position feedback voltage: guide vane opening: 0-100%, corresponding 0.5-10V 3. On-off input signal: breaker position status, starting signal contact, stop signal contact, guide vane opening increase contact, guide vane opening decrease contact.

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Changsha Lichuan Hydropower Control Equipment Co.

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