Motor Speed and Speed protection circuit of small hydropower stations


Posted on Dec 11, 2010

FIG, M is a variable speed motor control wicket opening and closing and opening. O electric governor. Front grid, hit the power switch SA A side, toggle switch S is opened; aft


Motor Speed and Speed protection circuit of small hydropower stations
Click here to download the full size of the above Circuit.

er the grid, SA play and be in the generator side, S is closed, the trip in order to achieve self-protection purposes. When the generator grid, with full load, limit switch off SQi top open, the motor is stopped; when off, when the turbine guide vane opening is zero, the limit switch so: the top open, the motor is stopped. Speed protection. When the generator fails, tripping the circuit breaker QF, its auxiliary contact is closed, the contactor KMz was electric pull, reverse the motor until the limit switch sQz top open, shut down is completed.




Leave Comment

characters left:

Related Circuits

  • New Circuits

    .

     


    Popular Circuits

    10 watt amplifier for 18MHz
    High-level four-channel mixer
    Burglar Chaser Circuit
    Easy Build Motorcycle Alarm
    Light Activated Day Night Switch Circuit
    MK414 SW Receiver
    Electronic Locker
    Automotive electronic locks circuit



    Top