ASTM-D150:2004 Edition

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D150-98(2004) Standard Test Methods for AC Loss Characteristics and Permittivity (Dielectric Constant) of Solid Electrical Insulation

Published By	Publication Date	Number of Pages
ASTM	2004	20

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Description

ASTM D150-98-Reapproved2004

Historical Standard: Standard Test Methods for AC Loss Characteristics and Permittivity (Dielectric Constant) of Solid Electrical Insulation

ASTM D150

Scope

1.1 These test methods cover the determination of relative permittivity, dissipation factor, loss index, power factor, phase angle, and loss angle of specimens of solid electrical insulating materials when the standards used are lumped impedances. The frequency range that can be covered extends from less than 1 Hz to several hundred megahertz. Note 1In common usage, the word relative is frequently dropped.

1.2 These test methods provide general information on a variety of electrodes, apparatus, and measurement techniques. The reader should also consult ASTM standards or other documents directly applicable to the material to be tested.^,

1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. For specific hazard statements, see 7.2.6.1 and 10.2.1.

Keywords

ac loss; capacitance: parallel, series, fringing, stray; conductance; contacting electrodes; dielectric; dielectric constant; dissipation factor; electrical insulating material; electrode; fluid displacement; frequency; fringing capacitance; guarded electrode; Hz; loss angle; loss factor; loss tangent; non-contacting electrodes; permittivity; phase angle; phase defect angle; power factor; Q; quality factor; reactance: parallel, series; relative permittivity; resistance: parallel, series; tan (delta); thickness

ICS Code

ICS Number Code 83.060 (Rubber)

DOI: 10.1520/D0150-98R04

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents Terminology
2	FIG. 1 FIG. 2 FIG. 3 FIG. 4
3	Summary of Test Method Significance and Use General Measurement Considerations FIG. 5
4	FIG. 6 TABLE 1
5	TABLE 2 FIG. 7 FIG. 8
6	Electrode Systems
7	FIG. 9
8	FIG. 10
9	Choice of Apparatus and Methods for Measuring Capacitance and AC Loss
10	Sampling Procedure
12	Report Precision and Bias Keywords TABLE 3
13	X1. CORRECTIONS FOR SERIES INDUCTANCE AND RESISTANCE AND STRAY CAPACITANCES X1.1 X1.2 X1.3 X1.4 X2. EFFECTIVE AREA OF GUARDED ELECTRODE X2.1 X2.2 X2.3 X2.4
14	X2.5 FIG. X2.1
15	X3. FACTORS AFFECTING PERMITTIVITY AND LOSS CHARACTERISTICS X3.1 Frequency X3.2 Temperature X3.3 Voltage X3.4 Humidity FIG. X3.1
16	X3.5 Water Immersion X3.6 Weathering X3.7 Deterioration X3.8 Conditioning X4. CIRCUIT DIAGRAMS OF TYPICAL MEASURING CIRCUITS X4.1 FIG. X4.1
17	FIG. X4.2 FIG. X4.3 FIG. X4.4 FIG. X4.5
18	FIG. X4.6 FIG. X4.7
19	REFERENCES FIG. X4.8 FIG. X4.9

Additional information

Standard Title	D150-98(2004) Standard Test Methods for AC Loss Characteristics and Permittivity (Dielectric Constant) of Solid Electrical Insulation
Published Code	ASTM
Publication Date	2004
Pages Count	20