| 变频器选型应充分考虑环境对变频器的影响 |
| 添加时间：2019/8/6 16:24:40 浏览次数： |
| 2.1 温度变频器的影响 Effect of 2.1 Temperature Converter 变频器的使用环境温度一般在-10～40℃，环境温度若高于40℃，每升高1℃，变频器应降额5%使用;环境温度每升10℃，则变频器寿命减半，所以周围环境及变频器散热的问题一定要解决好。 The ambient temperature of the frequency converter is generally - 10 - 40 C. If the ambient temperature is higher than 40 C, the amount of the frequency converter should be reduced by 5% for every 1 C rise. If the ambient temperature is 10 C rise, the life of the frequency converter will be reduced by half, so the problem of the surrounding environment and the heat dissipation of the frequency converter must be solved well. 2.2 湿度对变频器的影响 Effect of 2.2 Humidity on Frequency Converter 变频器在湿度低于90%的环境中工作，空气的相对湿度小于或等于90%，无结露。湿度太高且湿度变化较大时，变频器内部容易出现结露现象，其绝缘性能就会大大降低，甚至可能引发短路。必要时，必须在箱中增加干燥剂或加热器。 The frequency converter works in an environment with humidity less than 90%. The relative humidity of air is less than or equal to 90%. There is no condensation. When the humidity is too high and the humidity varies greatly, condensation will easily occur inside the frequency converter, and its insulation performance will be greatly reduced, and may even lead to short circuit. If necessary, a desiccant or heater must be added to the box. 2.3 海拔高度对变频器的影响 Effect of 2.3 Altitude on Frequency Converter 变频器安装在海拔高度1000m以下可以输出额定功率。海拔高度超过1000m，其输出功率会下降。 Frequency converter installed below 1000m altitude can output rated power. When the altitude exceeds 1000m, the output power will decrease. 2.4 粉尘对变频器的影响 2.4 Effect of Dust on Frequency Converter 在有金属导电性粉尘的场合，不宜安装变频器。导电性粉尘侵入变频器内部，会使变频器内部线路短路，严重时会烧毁变频器。 In the case of metal conductive dust, it is not appropriate to install frequency converter. Conductive dust intrudes into the converter, which will make the internal circuit of the converter short-circuit, and will burn the converter in serious cases. |
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