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6、6comment0:big,mediumandhighvoltagewirevoltagelevelInordertoimprovetheefficiencyoflongdistancetransmission,thehighvoltageandlowcurrenttransmissionisusuallyused,soastoreducethelossofelectricity.InChina,higherthan380Vcanbecalledhighvoltageelectricity.China's"urbanpowergriddesignregulations
7、"stipulates:transmissionnetworkis500kV,330kV,220KV,110kV,highvoltagedistributionnetworkis110kV,66kV,mediumvoltagedistributionnetworkis20kV,10kV,6kV,lowvoltagedistributionnetworkis0.4KV(220V/380V).Withtheimprovementofmotormanufacturingprocess,10kVmotorshavebeenproducedinbatches,
