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IEC 61000-4-7:1991 ed1.0
Electromagnetic compatibility (EMC) - Part 4: Testing and measurement techniques - Section 7: General guide on harmonics and interharmonics measurements and instrumentation, for power supply systems and equipment connected thereto
67 стр.
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33.100.01 Electromagnetic compatibility in general / Электромагнитная совместимость в целом
This guide is applicable to instrumentation intended for measuringvoltage or current components with frequencies in the range of d.c.to 2 500 Hz which are superimposed on the voltage or current at thepower supply frequency. This guide is also applicable tomeasurement instrumentation intended for testing individual itemsof equipment in accordance with emission limits given in standardsas well as for the measurement of harmonic voltages and current inactual supply systems. The survey of harmonics in power supplysystems is of particular concern.