The low-voltage and high-voltage electricity of the device
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Do all devices have low-voltage and high-voltage electricity? Where is low-voltage electricity used? Where is high-voltage electricity used? Thank you, extra points
It mainly depends on the load and the size of the device. If the electrical load of the device is low, low-voltage equipment may be sufficient; if the load is high, motors with a voltage of 6 KV are generally used when their capacity exceeds 160 KW (while if 10 KV motors are available but not 6 KV ones, then motors with a voltage of 10 KV are used when the motor capacity is greater than 180 KW)
The question posed by the original poster isn’t quite clear. Equipment with a voltage below 1000V is considered low-voltage; 10000V generally falls under medium-voltage, while voltages above 350000V are classified as high-voltage. Of course, different voltage levels correspond to different ranges of application and locations； Low voltage is generally used in power plants and equipment for controlling startup processes, while medium voltage is sometimes employed for high-power loads; it is mostly used in power distribution facilities ； High voltage is mainly used in power distribution equipment ；