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Question:

Now the market imports of electric bed, bedstead, there are 2 motors, lying on the top for 7-8 hours a day, the harm to people?

Now the market imports of electric bed, bedstead, there are 2 motors, lying on the top for 7-8 hours a day, the harm to people?

Answer:

Each line current is =2200/1.732X380X0.85X0,85=4.6ABecause 2.2KW is the "shaft power", so the electric power P= root 3 x (380V) x voltage current (unknown) X power factor (0.85) X (0.85).
Secondly, even if there is radiation, the motor frequency is 50Hz, which belongs to low frequency, is far from the degree of harm to people, even if such electromagnetic oven machines do not hurt people, unlike the microwave oven and mobile phone, working in UHF
Don't be too nervous.First of all, the magnetic path of the motor is completely inside the motor. There is no leakage and no radiation;

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