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Description of ASTM-D1868 2013ASTM D1868-13Historical Standard: Standard Test Method for Detection and Measurement of Partial Discharge (Corona) Pulses in Evaluation of Insulation SystemsASTM D1868Scope 1.1 This test method covers the detection and measurement of partial discharge (corona) pulses at the terminals of an insulation system under an applied test voltage, including the determination of partial discharge (corona) inception and extinction voltages as the test voltage is raised and lowered. The test method is also useful in determining quantities such as apparent charge and pulse repetition rate together with such integrated quantities as average current, quadratic rate and power. The test method is useful for test voltages ranging in frequency from zero (direct voltage) to approximately 2000 Hz. 1.2 The test method is directly applicable to a simple insulation system that can be represented as a two-terminal capacitor (1), (2) . 1.3 The test method is also applicable to (distributed parameter) insulation systems such as high-voltage cable. Consideration must be given to attenuation and reflection phenomena in this type of system. Further information on distributed parameter systems of cables, transformers, and rotating machines will be found in Refs. (1), (2), (3), (4), (5), (6), (7), (8), and (9).2 (See AEIC CS5-87, IEEE C57 113-1991, IEEE C57 124-1991, and IEEE 1434-2005.) 1.4 The test method can be applied to multi-terminal insulation systems, but at some loss in accuracy, especially where the insulation of inductive windings is involved. 1.5 This standard does not purport to address all of the safety problems, 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. Specific precaution statements are given in Sections 8 and 14. Keywords average discharge (corona) current (It) ; calibration pulse; corona; continuous partial discharges (continuous corona); discharge magnitude; ionization; partial discharge apparent power loss (Pa); partial discharge (corona); partial discharge (corona) energy (W); partial discharge (corona) extinction voltage; partial discharge (corona) inception voltage (CIV); partial discharge (corona) level; partial discharge (corona) power loss (P) ; partial discharge (corona) pulse rate (n); partial discharge pulse; partial discharge pulse voltage (Vt); partial discharge quantity (terminal corona charge); pulse height; quadratic rate ICS Code ICS Number Code 29.080.30 (Insulation systems) DOI: 10.1520/D1868-13 The following editions for this book are also available...This book also exists in the following packages...Subscription InformationMADCAD.com ASTM Standards subscriptions are annual and access is unlimited concurrency based (number of people that can access the subscription at any given time) from single office location. For pricing on multiple office location ASTM Standards Subscriptions, please contact us at info@madcad.com or +1 800.798.9296.
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About ASTMASTM International, formerly known as the American Society for Testing and Materials (ASTM), is a globally recognized leader in the development and delivery of international voluntary consensus standards. Today, some 12,000 ASTM standards are used around the world to improve product quality, enhance safety, facilitate market access and trade, and build consumer confidence. ASTM’s leadership in international standards development is driven by the contributions of its members: more than 30,000 of the world’s top technical experts and business professionals representing 150 countries. Working in an open and transparent process and using ASTM’s advanced electronic infrastructure, ASTM members deliver the test methods, specifications, guides, and practices that support industries and governments worldwide. |
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