1, the cable terminal voltage limit deviation is ±5%, the AC frequency limit deviation is ±1%.
2, relative humidity is not greater than 90% (temperature is 25 ℃).
3, the use of the site elevation does not exceed 1000m, in the altitude of more than 1000m plateau environment, to take appropriate measures.
4. Roadway Ambient Temperature -5℃~+40℃ 5, the ventilation capacity of the roadway should meet the requirements of engine power.