ASTM-D2275 2008

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D2275-01(2008)e1 Standard Test Method for Voltage Endurance of Solid Electrical Insulating Materials Subjected to Partial Discharges (Corona) on the Surface

Published By	Publication Date	Number of Pages
ASTM	2008	9

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Categories: 29.035.01 - Insulating materials in general, ASTM

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Description

1.1 This test method differentiates among solid electrical insulating materials for use at commercial power frequencies with respect to their voltage endurance under the action of corona (see Note 1). In general, this test method is more meaningful for rating materials with respect to their resistance to prolonged a-c stress under corona conditions than is dielectric strength.

Note 1The term corona is used almost exclusively in this test method instead of partial discharge , because it is a visible glow at the edge of the smaller electrode. This is a difference in location, not in kind. Partial discharges also occur at the edges of electrodes, and in general corona describes an electrical discharge irrespective of its location.

1.2 The values stated in SI units are to be regarded as standard. The values given in parentheses are mathematical conversions to inch-pound units that are provided for information only and are not considered standard.

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 Section 7.

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PDF Pages	PDF Title
1	Scope Referenced Documents Terminology
2	Summary of Test Method Significance and Use
3	Apparatus FIG. 1
4	Hazards
5	Test Specimens Conditioning Procedure Report Precision and Bias Keywords
6	A1. CIRCUIT FOR VOLTAGE ENDURANCE TEST A1.1 A1.2 A1.3 A1.4 A1.5 FIG. A1.1
7	A1.6 A1.7 FIG. A1.2 FIG. A1.3
8	A1.8 X1. ACCELERATED TESTING BY INCREASING THE TEST FREQUENCY X1.1 X1.2 X1.3 X1.4 X1.5 X1.6 X2. PARTIAL DISCHARGE TESTING IN ENCLOSED SYSTEMS X2.1 Introduction X2.2 Materials Available for Interaction
9	X2.3 Energy for Reactions X2.4 Types of Reactions X2.5 Pressure Effects X2.6 Evaluation

Additional information

Standard Title	D2275-01(2008)e1 Standard Test Method for Voltage Endurance of Solid Electrical Insulating Materials Subjected to Partial Discharges (Corona) on the Surface
Published Code	ASTM
Publication Date	2008
Pages Count	9
ICS Codes	29.035.01 - Insulating materials in general

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ASTM-D2275 2008

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