NDLI: Testing High-Tension Impregnated Paper-Insulated, Lead-Covered Cable

Content Provider	IEEE Xplore Digital Library
Author	Lee, Everett S.
Copyright Year	1884
Abstract	The increase in voltage rating of cables has necessitated that the tests to assure satisfactory cable be more adequate than as standardized at present. This has resulted in an intensive study of the tests previously standardized, development of new tests, and the design and manufacture of suitable testing equipment to meet the new testing requirements. Measurements are made upon cables to determine the following properties of the insulation: Insulation Resistance Dielectric Strength Dielectric Power Loss and Power Factor Capacitance Ability to Withstand Bending Insulation Resistance: This measurement is being made in the same way on cables of all voltage rating. The results of the test on high-tension cables are of doubtful value as a criterion of the suitability of cable for use. Continued study of this measurement should be made. Dielectric Strength: Suitable testing equipment for satisfying the requirements of the increased voltages in dielectric strength tests has been made available. This includes sine-wave generators, adequate testing transformers, appropriate cable testing terminals. Data is given from which conclusions are drawn as to the magnitude and duration of test voltages. The adequacy of these values will become known through experience. The need for field testing is shown. Dielectric Power Loss and Power Factor: The tendency is to extend the measurement of dielectric power factor to include each reel length to be shipped. The Schering Bridge for making such measurements is described. The need for standardizing the testing procedure for power-factor measurements is shown.
Starting Page	104
Ending Page	129
Page Count	26
File Size	9880788
File Format	PDF
ISSN	00963860
Volume Number	XLIV
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1925-01-01
Publisher Place	New York, U.S.A.
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Testing Dielectric loss measurement Dielectric measurements Electrical resistance measurement Power measurement Loss measurement Cable insulation Dielectrics and electrical insulation Dielectric breakdown Dielectric losses
Content Type	Text
Resource Type	Article
Subject	Industrial and Manufacturing Engineering Control and Systems Engineering Electrical and Electronic Engineering

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High-Voltage Impregnated Paper Cables

The Quality Rating of High-Tension Cable With Impregnated-Paper Insulation

IV---The Use of the Dynamometer Wattmeter for Measuring the Dielectric Power Loss and Power Factor of the Insulation of High-Tension Lead-Covered Cables

Fundamental Properties of Impregnated Paper

The dielectric strength and life of impregnated-paper insulation-III

Tests of Paper-Insulated High-Tension Cable

Field Testing of Generator Insulation

The Dielectric Strength and Life of Impregnated-Paper Insulation-II The Influence of the Thickness of the Paper

Oil Stresses in Impregnated-Paper Insulation

Testing High-Tension Impregnated Paper-Insulated, Lead-Covered Cable

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