Three-phase factor controller


Posted on Feb 23, 2013

The modified power-factor controller, developed at the Marshall Space Flight Center, employs a phase detector for each of the three phase windings of a delta-connected induction motor. The phase-difference sum is the basis for control.


Three-phase factor controller
Click here to download the full size of the above Circuit.

Instabilities of earlier systems are overcome with improved feedback control incorporating a 20Hz bandwidth signal.




Leave Comment

characters left:

Related Circuits

  • New Circuits

    .

     


    Popular Circuits

    Ponyprog for AVR
    Dual-limit-microvolt-comparator
    Alternating-led-flasher
    12 Volt DC Fan Temperature Control
    Sense Small Inductance Changes Over A Wide Range
    mains voltage detector
    0 1000 volt regulated high voltage
    BA6104 Five-digit LED level meter driver IC Basic Application Circuit



    Top