Examlex

Solved

The Future Use of Product Placements and Branded Entertainment Will

question 46

Multiple Choice

The future use of product placements and branded entertainment will depend on:


Definitions:

Variable-frequency Drive

A system used to control the speed of an electric motor by varying the frequency and voltage supplied to the electric device.

Motor Controller

A device that regulates the performance of an electric motor by varying parameters such as voltage and current.

PWM

Pulse Width Modulation, a technique used to control the amount of power delivered to an electrical device by varying the duty cycle of a pulse signal.

Four-quadrant

Refers to operating modes of a drive or control system that can handle both positive and negative directions of both power and torque in all four quadrants of operation.

Related Questions