ISO 14990-3:2016 specifies the particular safety requirements for the electrical equipment and its components incorporated in self-powered (utilizing on-board electric power sources) electrically-driven earth-moving machines (EMMs).
It is applicable to those machines using on-board voltages in the range of 50 V?36 kV AC r.m.s. at any frequency, and 75 V?36 kV DC ? including any repetition rate of pulsating DC? intended for outdoor use.
Voltages occurring within devices are not considered to be on-board voltages and are thus not within its scope.
It is intended to be used in conjunction with ISO 14990‑1, which gives general requirements for EMMs regardless of how they are powered. Requirements specific to externally-powered machines are given in ISO 14990‑2. It is possible to have an EMM that is both self-powered and externally powered (e.g. a battery powered machine having a built-in charger with power supply function), in which case ISO 14990‑2 is also applicable.
Текущий статус : PublishedДата публикации : 2016-11
Версия : 1Число страниц : 15
Технический комитет:Machine characteristics, electrical and electronic systems, operation and maintenance
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