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Question:

Useful three-phase electric air conditioning is what kind of?

Useful three-phase electric air conditioning is what kind of?

Answer:

Many, central air conditioning is! Three-phase electric power is power is commonly used in larger air conditioning.
Ha ha, is really too much, more than 3 p and 3 p is 380 v three-phase power!Have a group of 3 p and 5 p
Home air conditioning is single phase, just plug has three heads, many people were mistaken for three phase. Actually a head is wire line (phase), one head is working grounding, one head is to protect the earth. Three-phase air conditioning use in high power, it is four heads socket
Three-phase air-conditioning outside machine is electric heating and air conditioning compressor is 380 v voltage. To apply to the local power supply bureau, general installation meters must be replaced three phase meters. Need to choose according to use all electric appliance total power meters, choosing a meter power supply bureau will specify what to use electric meter. Socket is four holes, respectively is: A, B, C, PE (grounding protection). If A, B, C three-phase imbalance, N line at this moment, otherwise due to the zero line current exist, can produce A potential difference, endangering the personal safety

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