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In most repulsion start induction run motors. Shifting the
Position of the brushes reverses the direction of rotation.
An open winding in a split phase motor is indicated by an ohm reading of?
Infinity
In four pole motors the polls of the starting winding are spaced_________electrical degrees from the main stater polls.
90
In a repulsion motor. The rotor is called an_____.
Armature
In order for a voltage motor to run on 120v instead of 240v. It's running windings must be connected in________.
Parallel
Hysteresis motors run on frequencies ranging from__________.
25-2000Hz
Reversing the direction of an instantly reversible motor, even when it is operating at full speed is accomplished with a____________.
Relay
If a circuit breaker trips when you start a capacitor motor. The cause may be?
A faulty centrifugal switch.
Appedine generator has______sets of brushes on the commutator.
Two
A closed loop servo system. The control field always leads/lags the fixed field by_____degrees.
90
Author
JNW4
ID
229977
Card Set
207
Description
Operating and Maintaining Single-Phase Motors
Updated
2013-08-14T14:09:05Z
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