This part of IEC 60255 is based on the concepts described in IEC 61000-4-16, referring to that publication where applicable, and specifies the general requirements for power frequency immunity tests for measuring relays and protection equipment for power system protection, including the control, monitoring and process interface equipment used with those systems. The objective of the tests is to confirm that the equipment under test (EUT) will operate correctly when energised and subjected to short duration, conducted, common and differential mode power frequency disturbances applied to DC status inputs, at the rated frequency of the EUT, for example 16/3 Hz, 50 Hz and 60 Hz. The testing of pilot wire schemes between substations is not covered by this standard. The requirements specified in this standard are applicable to measuring relays and protection equipment in a new condition and all tests specified are type tests only. The object of this standard is to state: - definitions of terms used; - test severity levels; - test equipment; - test set-up; - test procedures; - criteria for acceptance; - test report.
IEC 60255-22-7-2003由国际电工委员会 IX-IEC 发布于 2003-04。
IEC 60255-22-7-2003 在中国标准分类中归属于: L25 继电器、斩波器,在国际标准分类中归属于: 29.120.70 继电器。
IEC 60255-22-7-2003 电气继电器.第22-7部分:量度继电器和保护装置的电气干扰试验.电源频率抗扰试验 于 2013-05 变更为 IEC 60255-26-2013 测量继电器和保护设备.第26部分:电磁兼容性要求。
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