adjustable capacitor [= variable capacitor]
adjustable compensating condenser
compensating capacitor switching
paralleled compensating capacitor
temperature compensating capacitor
adjustable-voltage and adjustable-speed
balancing capacitor [= neutralzing capacitor]
method of series-capacitor and parallel-capacitor
0V adjustable regulated power supply
3-terminal positive voltage adjustable regulator
AC Adjustable Speed System
AC adjustable-speed drive system
AC adjustable-speed system
AC adjustable-speed system with varying frequency
AC speed adjustable system