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How is the back electromotive force of the permanent magnet synchronous motor generated? Why is it called back electromotive force?
1. How is back electromotive force generated? In fact, the generation of back electromotive force is easy to understand. Students with better memory should know that they have been exposed to it as early as junior high school and high school. However, it was called induced electromotive force ...Read more -
Founder Motor plans to invest 500 million yuan to build its Shanghai R&D and manufacturing headquarters!
Founder Motor (002196) issued an evening announcement on January 26 that Zhejiang Founder Motor Co., Ltd. (hereinafter referred to as “Founder Motor” or the “Company”) held the twelfth meeting of the eighth board of directors on January 26, 2024. , reviewed and appro...Read more -
![[Technical Guidance] What is a brushless motor driver and what are its characteristics?](https://www.xindamotor.com/uploads/【技术指导】无刷电机驱动器是什么，有哪些特性？.png)
[Technical Guidance] What is a brushless motor driver and what are its characteristics?
The brushless motor driver is also called a brushless ESC, and its full name is a brushless electronic speed regulator. The brushless DC motor is a closed-loop control. At the same time, the system features an input power supply of AC180/250VAC 50/60Hz, and a wall-mounted box structure. Next, I w...Read more -
How the noise of brushless motors is generated
Brushless motors produce noise: The first situation may be the commutation angle of the brushless motor itself. You should carefully check the commutation program of the motor. If the motor commutation angle is incorrect, it will also cause noise; The second situation may be that the elec...Read more -
![[Key Analysis] For this type of air compressor, two types of motors must be distinguished](https://www.xindamotor.com/uploads/【重点解析】针对这类型空压机-必须对两种电机做好区分.png)
[Key Analysis] For this type of air compressor, two types of motors must be distinguished
The motor is the key power device of the screw air compressor, and it plays a major role in the components of the air compressor. Everyone knows that air compressors are divided into ordinary power frequency and permanent magnet variable frequency, so is there any difference between the two motor...Read more -
How do motor materials match insulation levels?
Due to the particularity of the motor’s operating environment and working conditions, the insulation level of the winding is very important. For example, motors with different insulation levels use electromagnetic wires, insulating materials, lead wires, fans, bearings, grease and other mat...Read more -
An old electrician will tell you the reason for motor stalling and burning. This can be prevented by doing this.
If the motor is blocked for a long time, it will burn out. This is a problem often encountered in the production process, especially for motors controlled by AC contactors. I saw someone on the Internet analyzing the reason, which is that after the rotor is blocked, the electrical energy cannot ...Read more -
The relationship between no-load current, loss and temperature rise of three-phase asynchronous motor
0.Introduction The no-load current and loss of a cage-type three-phase asynchronous motor are important parameters that reflect the efficiency and electrical performance of the motor. They are data indicators that can be directly measured at the use site after the motor is manufactured and repair...Read more -
What is the most serious failure of high-voltage motors?
There are many reasons for the failure of AC high-voltage motors. For this reason, it is necessary to explore a set of targeted and clear troubleshooting methods for various types of failures, and propose effective preventive measures to eliminate failures in high-voltage motors in a timely ma...Read more -
This article will help you understand the detailed principles and structure of air compressors
The following article will take you through an in-depth analysis of the structure of the screw air compressor. After that, when you see the screw air compressor, you will be an expert! 1. Motor Generally, 380V motors are used when the motor output power is below 250KW , and 6KV and 10KV moto...Read more -
The top 500 Chinese private enterprises in 2023 are announced, with Guangdong companies accounting for 50 seats! Many motor industry chain companies are on the list
On September 12, the All-China Federation of Industry and Commerce released the “2023 China’s Top 500 Private Enterprises” list and the “2023 China’s Top 500 Private Enterprises Research and Analysis Report”. This year is the 25th consecutive large-scale pri...Read more -
Siemens strikes again, IE5 motor unveiled!
During the 23rd Industrial Expo held in Shanghai this year, Innomotics, a newly established German motor and large-scale transmission company made by Siemens, made its debut and brought its new IE5 (national standard level one) energy-efficient low-voltage motor. Everyone may be unfamiliar with...Read more