전압이 전기 모터 속도에 영향을 줍니까?

I. 소개

Briefly introduce the topic of electric motors and their importance in various industries

Explain the purpose of the article: to explore how voltage impacts motor speed

Voltage is a critical factor in the performance of electric motors. In this article, we will explore the relationship between voltage and ac induction motor speed.

We will discuss the basics of electric motors, the factors that voltage affect motor speed, and the dangers of voltage fluctuations on ac motor performance.

We will also provide tips for maintaining optimal voltage levels to ensure that motors operate at their best.

Explain how voltage fluctuations can impact ac motors speeds

We talked about the factors that voltage affect the ac motors speed, namely the number of motor poles, the power supply frequency and the asynchronous motor's turndown rate.

Some friends have raised the influence of the supply voltage on the motor's output speed, which does not seem to be valid and topic, in some cases there is still some truth to it.

According to the formula of motor speed, the supply voltage will not have any effect on the motor speed, but in the actual application of the motor.

It is likely that the motor speed will not reach the rated speed because of the voltage.

The first situation.

For direct starting asynchronous motor, when the supply voltage is too low, especially due to the lack of grid capacity resulting in undervoltage.

The electric motor starting process will be particularly slow, the whole process of the motor speeds is slow.

Some cases the motor is in the stay or hovering in a certain low speed "hum".

But with the increase in ac motor speed, the motor input ,The voltage will also gradually rise,

When the ac motor reaches the rated speed of the motor, the voltage also basically reaches the rated voltage.

The second situation.

Is the motor with load running process, due to overload reasons, resulting in the motor speed rpm drop more.

At the same time, the motor input voltage is also in the state of undervoltage.

The third situation.

Mainly some temporary circuit operation of outdoor ac motors, due to transmission line selection problems, resulting in a serious shortage of voltage input to the motor.

So that the electric motor long-term operation in a state below the rated voltage, a slight overload, the motor will appear speed drop, the overall performance for higher efficiency of the overload problem.

Conclusion, Summarize the main points of the article

Comprehensive above three situations, when the motor is in a non-normal operating state.

It will be due to the lack of motor input voltage leads to motor speed deviation from the rated speed, is a bad phenomenon.

For this reason, the technical conditions of motor products will clearly specify the rated voltage range of motor operation.

More than the rated voltage is too high will lead to motor winding burned, too much below the rated voltage.

It will lead to motor similar overload bad operation, the ultimate consequence is also the motor winding burned.

Get more information from the professional electric motor manufacturer in China - Dongchun motor China

시간을 절약하기 위해 전문 전기 모터 제조업체를 찾는 것이 매우 중요합니다.

동춘모터스는 전문 제조사전기 모터의중국.

친절하게 다음과 같이 제품을 확인하십시오

단상 모터: YC, YCL 주철 바디 및 ML , MY 모터 알루미늄 바디

삼상 모터 : IE1, IE2, IE3 주철 바디 및 알루미늄 바디 겸용 모터

브레이크 모터: DC 제동 모터 및 AC 제동 모터

오토바이 VFDr : 주파수 가변 구동 모터.

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