A rotating part of the device: electric motor, turbine, generator.

Related Terms

PREFERENTIAL TRIP

Also called preference load tripping system. The purpose of this system is to disconnect non-essential equipment in case of generator overload.

MICROWAVE NOISE STANDARD

An electrical noise generator of calculable intensity that is used to calibrate other noise sources by using comparison methods.

MAIN

1. One of the conductors extending from the service switch, generator bus, or converter bus to the main distribution center in interior wiring. 2. See power transmission line. 3. A duct or pipe that supplies or drains ancillary branches.

INSULATION SAMPLER

A device for collecting deep water which prevents any significant conduction of heat from the water sample so that it maintains its original temperature as high-range ohmmeter having a hand-driven direct-current generator as its voltage source.

INDUCTION GENERATOR

A nonsynchronous alternating-current generator whose construction is identical to that of an ac motor, and which is driven above synchronous speed by external sources of mechanical power.

ARMATURE BAR

Copper bars used in place of wire windings, in large armatures, generators, or motors.

GENERATOR

A machine that changes that changes mechanical energy into electrical energy.

STEAM RATE

The steam rate is the pounds of steam that must be supplied per kilowatt-hour of generator output at the steam turbine inlet.

QUARTZ CRYSTAL CLOCK

A precision timepiece, consisting of a current generator of constant frequency controlled by a resonator made of quartz crystal with suitable methods for producing continuous rotation to operate time-indicating and related mechanisms.

TRIGGER

In a radar set, a sharp voltage pulse which is applied to the modulator tubes to fire the transmitter, applied simultaneously to the sweep generator to start the electron beam moving radially from the sweep origin to the edge of the face of the cathode-ray tube.

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