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变频空调关机后
添加时间：2022/6/18 16:00:35     浏览次数：
变频空调关机后，300V直流电压的滤波电容器仍存储有电能，可以对人身产生电击或损坏仪表。所以检测之前必须对电容器进行放电。方法可用一个几百欧的电阻接电容器的两极（灯泡、电烙铁二端也可）。变频空调压缩机的运转频率是可变化的，工作电流，制冷剂的压力也是可变的。所以在对其电流、压力测量时要将空调设定在定频状态，以该状态的流水槽钢模具 不锈钢铸件 扭王字块模具 井盖钢模具 标志桩模具 调匝式消弧线圈 风冷控制柜 烤漆龙骨测量值作为参考依据。
After the frequency conversion air conditioner shuts down, the filter capacitor with 300V DC voltage still stores electric energy, which can cause electric shock to the person or damage the instrument. So the capacitor must be discharged before testing. The method can be used to connect the two poles of a capacitor with a resistance of several hundred euros (either the bulb or the two ends of the soldering iron). Frequency conversion air conditioning compressor operating frequency is variable, working current, refrigerant pressure is also variable. Therefore, when measuring its current and pressure, the air conditioner should be set in the fixed frequency state, and the measured value of the state should be taken as a reference
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