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Advantages of high voltage motors
source：未知 time：2022-01-14 20:10nbsp; click：
Advantages of high voltage motors
1. The power of the motor can be increased, and the maximum can reach several thousand or even tens of thousands of kilowatts. This is because, when outputting the same power, the current of a high-voltage motor can be much smaller than that of a low-voltage motor. For example, a 500KW, 4-level three-phase AC motor has a rated current of about 900A when the rated voltage is 380V, and only about 30A when the rated voltage is 10KV. Therefore, the winding of Takano Electric can use a smaller wire diameter. As a result, the stator copper loss of the high-voltage motor will also be smaller than that of the low-voltage hit. For high-power motors, when using low-voltage electricity, a larger area of stator slots is required due to the need for thicker wires, so that the diameter of the stator core is made large, and the volume of the entire motor will also become large;
2. For larger-capacity motors, the power supply and power distribution equipment used by high-voltage motors are less than the overall investment of low-voltage motors, and the line loss is small, which can save a certain amount of power consumption. In particular, 10KV high-voltage motors can directly use the grid power supply. In this case, the investment in power supply equipment will become less, the use will become easier, and the failure rate will become smaller.
1. The power of the motor can be increased, and the maximum can reach several thousand or even tens of thousands of kilowatts. This is because, when outputting the same power, the current of a high-voltage motor can be much smaller than that of a low-voltage motor. For example, a 500KW, 4-level three-phase AC motor has a rated current of about 900A when the rated voltage is 380V, and only about 30A when the rated voltage is 10KV. Therefore, the winding of Takano Electric can use a smaller wire diameter. As a result, the stator copper loss of the high-voltage motor will also be smaller than that of the low-voltage hit. For high-power motors, when using low-voltage electricity, a larger area of stator slots is required due to the need for thicker wires, so that the diameter of the stator core is made large, and the volume of the entire motor will also become large;
2. For larger-capacity motors, the power supply and power distribution equipment used by high-voltage motors are less than the overall investment of low-voltage motors, and the line loss is small, which can save a certain amount of power consumption. In particular, 10KV high-voltage motors can directly use the grid power supply. In this case, the investment in power supply equipment will become less, the use will become easier, and the failure rate will become smaller.
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