Exam 26: Primary Resistor-Type Starters

Some starters have_________ compression disk resistors and are used for starting polyphase squirrel cage motors.

Primary resistor starters are used to start squirrel cage motors in situations where limited torque is required ______.

With primary resistor-type starters, a resistor is connected in parallel in the lines to the motor.

Primary resistor starters provide closed transition starting.

Primary resistor starters are used with limited current inrush__________ .

A primary resistance-type starter has a low initial cost.

AC primary resistor starters are available only with multi-points of acceleration.

With primary resistor starters, the motor starts at a _____________power factor than with other starting methods.

When full-voltage starting may cause serious line disturbances, reduced voltage starters may be recommended for motors with ratings as small as___________ horsepower.

A primary resistance-type starter has a high power factor.