ASTM D877 PDF DOWNLOAD

Page 1. Page 2. Page 3. Page 4. Oil Test Set, KV for ASTM D and ASTM D ASTM D, Dielectric Breakdown Voltage of Insulating Fluids using Disc Electrodes. FTM ASTM D specifies that for insulating fluids to qualify ASTM D – Standard Test Method for Dielectric Breakdown Voltage of Insulating Liquids Using.

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Active view current version of standard.

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Test Method D should be used to determine the breakdown voltage of filtered and degassed liquids. These examples represent astm d877 that r877 have large differences between replicate tests.

Link asstm Active This link will always route to the current Active version of the standard. Combining astm d877 from the two systems may result in non-conformance with the standard.

These examples represent samples that may have astm d877 differences between replicate tests. The values stated in astm d877 system may not be exact equivalents; therefore, each system ast be used independently of the other.

Dielectric Breakdown Voltage

These may include samples taken from circuit breakers, load tap changers, and other liquids heavily contaminated with insoluble particulate material. Historical Version s – view previous versions of standard Translated Version s: Procedure A may be used once the single operator precision of has been demonstrated. Procedure B, modified in accordance with Section 17 of Test Methods D, is acceptable for testing silicone dielectric astm d877 if the requirements astm d877 1.

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The use of Procedure B will result in a more astm d877 value of breakdown voltage when testing such liquids. 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. The breakdown test uses ac voltage in astm d877 power-frequency range from 45 to 65 Hz. For further information refer to RR: The use of Procedure B will result in a more accurate value of breakdown voltage when testing such liquids.

This test method should be used as recommended by professional organization standards such as IEEE C Test Method D is not sensitive to low levels of these contaminants. Breakdown in astm d877 test method astm d877 dominated by events occurring at the electrode edges.

The power-frequency breakdown voltage of astm d877 liquid is reduced by the presence of contaminants such as cellulosic fibers, conducting particles, dirt, and water. These liquids include petroleum oils, hydrocarbons, natural and synthetic esters, and askarels PCB used as insulating and cooling liquids in transformers, cables, and similar apparatus.

These liquids include petroleum oils, hydrocarbons, and askarels PCB used as insulating and cooling liquids in transformers, cables, and astm d877 apparatus.

These may include samples taken from circuit breakers, load tap changers, and other liquids heavily contaminated with insoluble particulate material. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are astm d877 provided astm d877 part of the standard. Procedure B, modified in accordance with Section 17 of Test Methods Dis acceptable for r877 silicone dielectric liquids if the requirements of 1.

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Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Procedure A may be used once the single operator precision of It is astm d877 responsibility of the user of this standard to establish appropriate safety asrm health practices and determine the applicability of regulatory limitations prior to use.

The breakdown test uses ac voltage in the astm d877 range from 45 to 65 Hz.

A low result in this test method indicates the presence of significant concentrations of one or more of these contaminants in asmt astm d877 tested. The d8877 stress distribution between the parallel disk electrodes used in this test method are quasi-uniform and there is astm d877 stress concentration at the sharp edges of the flat disk faces.

Link to Active This link will always route to the current Active version of the standard. Historical Version astm d877 – view previous versions of standard. This test method should be used as recommended by professional organization standards such as Astm d877 C For further information refer to RR: