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How are motor energy efficiency levels classified?
The motor energy efficiency rating is an indicator to measure the energy efficiency of the motor. It reflects the energy consumption level of the motor when it is running under rated conditions. This indicator is not only an important parameter to measure the comprehensive performance of the moto...Read More -
How can dust explosion-proof motors ensure safety and efficiency in high-risk environments?
1. Working principle of dust explosion-proof motor Dust explosion-proof motors are designed to prevent electrical sparks and high temperatures caused by internal electrical or mechanical failures from coming into contact with the external dust environment, thereby avoiding explosive accidents. Du...Read More -
What is a Variable Frequency Drive (VFD)?
A Variable Frequency Drive (VFD), also known as an adjustable frequency drive or inverter, is an electronic device used to control the speed and torque of an electric motor by varying the frequency and voltage of its power supply. VFDs are widely used in industrial and commercial applications to ...Read More -
What is the Apparent Power of an Electric Motor?
Apparent power for the electric motor refers to the product of the effective value of voltage and the effective value of current in the AC motor circuit, represented by the symbol S, and the unit is volt-ampere (VA). Figuratively speaking, apparent power is like a water pipe, which represents th...Read More -
The Impact of Manufacturing Processes on the Vibration Performance of Three-Phase Asynchronous Motors
The vibration performance of a three-phase asynchronous motor is a critical factor in its overall reliability and efficiency. Even slight variations in manufacturing processes can significantly influence the motor‘s vibration characteristics. This paper will delve into the key manufacturing...Read More -
Three problems caused by direct starting of industrial frequency motors
Starting performance is a key feature of any motor product that cannot be ignored. Different operating conditions have different requirements for motor starting performance, so motors with specific characteristics are needed. However, direct starting of squirrel cage rotor power frequency motors ...Read More -
What is the apparent power of a motor?
The apparent power of a motor is a key parameter that plays an important role in understanding the performance and operating efficiency of the motor. It is defined as the product of the effective values of the voltage and current at the power terminals when the motor is running. This measurement ...Read More -
What is an air bearing?
An air bearing for electric motor is an innovative non-contact bearing that uses gas (usually air or nitrogen) as a lubricant to support moving parts. Unlike traditional mechanical bearings that rely on solid contact surfaces, air bearings operate on a unique principle that utilizes the buoyancy ...Read More -
Why does variable frequency power supply damage motor bearings?
Variable frequency power supplies (VFPS) are widely used in industrial applications to control the speed and torque of AC motors. However, a significant concern with their use is the damage they can cause to motor bearings. Understanding the underlying mechanisms can help mitigate these risks. ...Read More -
What does“NO wear” bearings mean?
The term “NO wear” literally means “no wear”, a concept that captures the innovative design and functionality of this new generation of bearings for electric motor. Essentially, “NO wear” bearings are designed to be extremely durable, reliable and long-lasting....Read More -
Measures to control motor temperature rise
The temperature rise of a motor‘s stator windings is a key factor affecting motor performance and life. Understanding the relationship between current and temperature is essential for effective motor management. Studies have shown that the temperature rise of an electric induction motorR...Read More -
Understanding the power changes of variable frequency motors
When discussing variable frequency motors, a key aspect to consider is how power varies with speed and torque. In low speed constant torque mode, the electric motor operates under conditions where the torque remains constant as the frequency varies. This feature is critical for applications that ...Read More