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IEEE C37.301-2009

Current Revision

IEEE Standard for High-Voltage Switchgear (Above 1000 V) Test Techniques--Partial Discharge Measurements

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New IEEE Standard - Inactive-Reserved. This standard adopts IEC 60270:2000 and defines methods of measuring partial discharges that may occur in energized power switchgear apparatus, in flaws, voids, and interfaces of non-self restoring insulation that may lead to dielectric failure of the switchgear.
This International Standard is applicable to the measurement of partial discharges which occur in electrical apparatus, components or systems when tested with alternating voltages up to 400 Hz or with direct voltage. This standard - defines the terms used; - defines the quantities to be measured; - describes test and measuring circuits which may be used; - defines analogue and digital measuring methods required for common applications; - specifies methods for calibration and requirements of instruments used for calibration; - gives guidance on test procedures; - gives some assistance concerning the discrimination of partial discharges from external interference. The provisions of this standard should be used in the drafting of specifications relating to partial discharge measurements for specific power apparatus. It deals with electrical measurements of impulsive (short-duration) partial discharges, but reference is also made to non-electrical methods primarily used for partial discharge location (see annex F). Diagnosis of the behaviour of specific power apparatus can be aided by digital processing of partial discharge data (see annex E) and also by non-electrical methods that are primarily used for partial discharge location (see annex F). This standard is primarily concerned with electrical measurements of partial discharges made during tests with alternating voltage, but specific problems which arise when tests are made with direct voltage are considered in clause 11. The terminology, definitions, basic test circuits and procedures often also apply to tests with other frequencies, but special test procedures and measuring system characteristics, which are not considered in this standard, may be required. Annex A provides normative requirements for performance tests on calibrators.
The electrical Partial Discharge (PD) measurement has been proven for many years as a valuable tool for assessment of the insulation condition of HV equipment. The procedure is preferably performed on the basis of the PD quantity apparent charge using either the wide-band or a narrow-band measuring method. This Standard recommends using the wide-band method that allows partial discharge pattern recognition. This standard adopts IEC 60270 2000-12 for the following main items: definition of the terms used; the quantities to be measured; test and measuring circuits which may be used; analogue and digital measuring methods required for common applications; methods for calibration and requirements of instruments used for calibration and on their maintenance. The IEEE Switchgear Committee specific requirements regarding guidance on test procedures and test set-up; discrimination of partial discharges from external Interference and partial discharge pattern recognition are part of normative and informative annexes that complement the IEC base document (IEC 60270-200-12). Partial discharge limits, pre-stressing voltages, measuring voltage and specific test procedures are not part of this standard and shall be defined in particular product standards.

SDO IEEE: Institute of Electrical and Electronics Engineers
Document Number C37.301
Publication Date March 20, 2009
Language en - English
Page Count 72
Revision Level
Supercedes
Committee Switchgear
Publish Date Document Id Type View
March 20, 2009 C37.301-2009 Revision