当负载超过120%时，10秒后，IPS自动关闭输出；当负载恢复到额定负载后，IPS自动恢复正常工作。
IPS automatically shutdown if overload exceeds 120% of normal value for 10 seconds, IPS automatically resume work if overload comes to rated load.
正常源每一相位的欠压传感：起始电压可在额定值85 - 100%的范围内调节；回动电压可在始动值75 - 98%的范围内调节。
Undervoltage Sensing for Each Phase of Normal Source: pickup voltage is adjustable form 85 to 100 percent of nominal, and dropout voltage is adjustable from 75 to 98 percent of pickup value.
在额定风量使用条件下，可以正常使用1~2个月，即需更换过滤棉；
At the condition of rated air velocity, pre filter media can be used for 1 to 2 months.
直流开关电源整流模块效率与输出电流存在直接相关性，目前电源正常工作时模块输出电流远低于额定电流，处于低效率区间。
Efficiency of rectifier module has relationship with its output current. Power supply works in low efficiency condition because output current below rated current far away.
变压器的额定值是以这样的假定为依据的，即正常运行时绝缘仅发生极缓慢的老化。
Transformer ratings are based on the Assumption that4 only an extremely slow deterioration of insulation will take place with normal operation.
变压器的额定值是以这样的假定为依据的，即正常运行时绝缘仅发生极缓慢的老化。
Transformer ratings are based on the Assumption that4 only an extremely slow deterioration of insulation will take place with normal operation.
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