Glossary Of Terms IV

Question 1

Reactance

Answer 1

Opposition to the change of flow of alternating current by inductance or capacitance

Question 2

Rotating Field

Answer 2

An electrical field set up by alternating current in a motor that behaves as though the magnetic poles were moving around the winding

Question 3

Rotor

Answer 3

Rotating part of an electric motor

Question 4

Run Load Amps (RLA)

Answer 4

The running amps of a motor at full capacity. Same as full load amps

Question 5

Run Winding

Answer 5

Main winding of a single phase motor that has low resistance

Question 6

Service Factor

Answer 6

A measurement for self-cooled motors that states the percent horsepower the motor can perform beyond it’s nameplate rating

Question 7

Single Phase Motor

Answer 7

A motor that operates on single phase alternating current

Question 8

Slip

Answer 8

Rotor speed drag expressed as the difference between rotor speed and the speed of the motors rotating magnetic field

Question 9

Split Phase Motor

Answer 9

A single phase motor that has an auxiliary start winding 45-90 degrees electrically away from the main winding

Question 10

Squirrel Cage Winding

Answer 10

An induction winding of uniformed conductors distributed around the periphery and joined by continuous end rings. Referred to as a rotor of and induction motor