Categories

IEEE 620-1987 [ Withdrawn ]

IEEE 620-1987 [ Withdrawn ] IEEE Guide for Construction and Interpretation of Thermal Limit Curves for Squirrel-Cage Motors Over 500 hp

standard by IEEE, 03/09/1987

More details

Download

PDF AVAILABLE FORMATS IMMEDIATE DOWNLOAD
$21.12

$48.00

(price reduced by 56 %)

Full Description

Scope

2.1 This guide defines thermal limit curves, recommends a standard procedure for construction of the curves, and provides the definitions and information necessary to properly use these curves.2.2 The guide also describes thermal limit curves for large squirrel-cage motors defined as those motor ratings built in frames larger than the frame normally used for 500 hp, 1800 r/min motors.

Purpose

The purpose of this guide is to assist in a uniform understanding of the construction, interpretation, and use of motor thermal limit curves.

Abstract

New IEEE Standard - Inactive-Withdrawn.Thermal limit curves for induction machines are defined. A procedure is established for the presentation of these curves, and guidance for the interpretation and use of these curves for machine thermal protection is provided.

Contact us