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07-01

2023

The fields and functions of three-phase asynchronous motors

Three phase asynchronous motor is a common type of motor, widely used in fields such as automation control systems, manufacturing, engineering machinery, transportation, etc. This article will provide a detailed introduction to the fields and functions of this type of motor.

06-24

2023

Is there a significant price difference between permanent magnet motors and regular motors?

There is a certain price difference between permanent magnet motors and ordinary motors. The following will provide a detailed introduction to the characteristics and price differences of these two types of motors:1. Permanent magnet motor: A permanent magnet motor is a type of motor that utilizes a permanent magnet to generate magnetic force. Compared to ordinary motors, permanent magnet motors have the following characteristics:

06-16

2023

What is the high-temperature resistance performance of permanent magnet synchronous motors?

Permanent magnet synchronous motors have been widely used in many fields due to their high efficiency and energy saving characteristics. However, in some special environments, such as high-temperature environments in industrial production, the reliability and performance of the motor will be affected. Therefore, the high-temperature resistance performance of permanent magnet synchronous motors is very important for their application in high-temperature environments.

06-09

2023

Introduction to the Speed Fluctuation Index of High Power Permanent Magnet Synchronous Motor

The speed fluctuation index of high-power permanent magnet synchronous motor is an important parameter to measure the stability of motor operation, and plays an important role in ensuring equipment safety, extending equipment life, and improving production efficiency. This article will discuss in detail from the following aspects.

06-02

2023

What is the function of a permanent magnet synchronous motor controller?

The permanent magnet synchronous motor controller is a type of power equipment, whose main function is to achieve the speed control of the permanent magnet synchronous motor and the stable operation of its electrical energy conversion system. With the widespread application of permanent magnet synchronous motors in industries, transportation, and homes, permanent magnet synchronous motor controllers have gradually become an important component of the development of electric drive technology. In this article, the functions of permanent magnet synchronous motor controllers will be elaborated from four aspects: composition, working principle, performance characteristics, and application fields.

05-25

2023

How to measure the quality of a permanent magnet synchronous motor?

The measurement of permanent magnet synchronous motors generally involves the following aspects: electrical performance testing, mechanical performance testing, thermal management testing, vibration testing, noise testing, etc. In this article, we will provide a detailed introduction to the relevant content and testing methods of these aspects.

05-18

2023

Theoretical to practical application of losses in permanent magnet synchronous motors

The losses of permanent magnet synchronous motors can be divided into four parts, namely stator winding losses, iron core losses, mechanical losses, and load stray losses. It can be divided into three categories in nature: iron loss, copper loss, and mechanical loss.

05-16

2023

Installation steps and precautions for permanent magnet synchronous motors

Permanent magnet synchronous motor is an efficient and low noise motor widely used in electric vehicles, wind power generation, industrial automation, etc. For the installation of permanent magnet synchronous motors, we need to follow certain steps. Below, we will provide a detailed introduction to the steps and precautions for installing permanent magnet synchronous motors.

05-11

2023

The Function of Permanent Magnet Synchronous Motor Driver

Permanent magnet synchronous motor is a synchronous motor that generates synchronous rotating magnetic field by permanent magnet excitation. As a rotor, the permanent magnet generates rotating magnetic field. Under the action of rotating magnetic field, the three-phase stator winding reacts through the armature to induce three-phase symmetric current.

05-09

2023

What are the demagnetization methods for permanent magnet motors and DC motors?

Many users may have a question, what to do with demagnetization of permanent magnet DC motors? How to deal with it? Let's introduce the method.1. The power selection of permanent magnet DC motor is correct Demagnetization is related to the power selection of permanent magnet DC motors. Choosing the correct power of a permanent magnet DC motor can prevent or delay demagnetization.

04-27

2023

Structure diagram and characteristics of permanent magnet synchronous motor

The structural diagram of a permanent magnet synchronous motor is shown below, which, like traditional motors, mainly consists of a stator and a rotor.The stator is basically the same as the stator of an asynchronous motor, consisting of a stator core and armature winding. The stator core is generally made of 0.5mm silicon steel lamination and lamination. For high-efficiency indicators or high-frequency motors, in order to reduce iron loss, 0.35mm low loss cold rolled non oriented silicon steel plate can be considered. The stator winding generally adopts distributed short distance winding; For motors with a large number of poles, fractional slot windings are generally used; When further improvement of the potential waveform is needed, sinusoidal windings or other special windings can also be considered.

04-23

2023

What are the characteristics and advantages and disadvantages of permanent magnet synchronous motors?

Permanent magnet synchronous motors use permanent magnets to generate air gap magnetic fields, unlike commutator motors that use excitation coils to generate air gap magnetic fields, or induction motors that use the excitation component of stator current to generate air gap magnetic fields. Moreover, they have simple structures, low losses, and high efficiency. Permanent magnet synchronous motors can be divided into two types: surface mounted permanent magnet synchronous motors (SPMs) and embedded permanent magnet synchronous motors (IPMs). The domestically developed permanent magnet synchronous motor is an embedded permanent magnet synchronous motor (IPM) with permanent magnets embedded inside the rotor core.

04-18

2023

Why has permanent magnet synchronous motor become the main driving motor?

With the popularization of new energy vehicles, the drive motor has become one of the core components of new energy vehicles. Among them, permanent magnet synchronous motor, as a high-efficiency and high output torque motor, has become one of the most widely used driving motors for new energy vehicles.

04-13

2023

Which is more efficient, AC induction motor or permanent magnet synchronous motor?

In industrial and commercial applications, most pumps and fans are driven by AC induction motors. "AC induction motors" are asynchronous motors that rely on current to rotate the rotor. Torque is generated by the current in the rotor, and current is generated by the magnetic field of the stator winding through electromagnetic induction. The rotor always rotates at a speed lower than the magnetic field. "Permanent magnet synchronous motor" relies on magnet to rotate the rotor, and the speed of the rotor is the same as that of the internal rotating magnetic field of the permanent magnet synchronous motor.

03-30

2023

Working Principle and Wiring Method of Three Phase Motor with Positive and Reverse Rotation

A three-phase motor is a device that can convert the AC power of a three-phase power source into mechanical energy. It usually consists of a rotor and a stator, which includes a fixed winding and an iron core, and is usually connected to a three-phase power supply. The rotor part is usually rotating and consists of a conductor and an iron core. Its movement converts electrical energy into mechanical energy, thereby realizing its operation.

03-16

2023

"Hengda Cup" Textile Intelligent Design Grand Prix was successfully held

On March 15, 2023, the final of the "Hengda Cup" Textile Intelligent Design Grand Prix was held in Xinchang, Zhejiang Province.The competition was sponsored by the China Textile Machinery Association, hosted by Wuxi Hengda Motor Co., Ltd., Beijing Zhongren Zhijie Technology Development Co., Ltd. and the National Textile Machinery Quality Inspection and Testing Center, and was strongly supported by Textile Equipment and Textile Machinery.

03-14

2023

How to adjust the speed of permanent magnet synchronous motor

Permanent magnet synchronous motor, the most basic structure of the stator and rotor. The stator is similar to the rotor of asynchronous motor and is made of insulated copper wire. The rotor contains permanent magnets and has a certain number of poles to establish the main magnetic field of the motor.

03-03

2023

What are the brief methods to check the fault of permanent magnet motor?

The four simple methods to check the fault of permanent magnet motor include seeing, listening, smelling and touching. 1、 Look: When the permanent magnet motor is running, observe whether there is any abnormality. The main phenomena are as follows: 1. When the stator winding is short-circuited, you can see that the motor emits smoke. 2. If the motor is seriously overloaded or has phase failure, the speed will slow down and a strong "buzz" will be heard. 3. If the motor operates normally but stops suddenly, you will see that the wire is loose, the fuse is blown, or the parts are jammed to produce sparks. 4. If the motor vibrates violently, the transmission device may get stuck, the motor connection is poor, and the foundation screw is loose.

02-24

2023

What is the current development status of permanent magnet synchronous motor? What are the technical challenges?

Permanent magnet synchronous motor (PMSM) is a kind of high efficiency and high power density motor, which has been widely used in various fields in recent years, such as electric vehicles, wind power generation, etc. The following are the current development status and technical challenges of permanent magnet synchronous motors:

02-16

2023

What are the advantages of high-efficiency motors?

Compared with ordinary motors, the average energy consumption of high-efficiency motors is reduced by about 20%, while that of ultra-high-efficiency motors is more than 30% less than that of ordinary motors. The price of high-efficiency motors is about 15%~30% higher than that of ordinary series motors. However, in general, the investment of high-efficiency motor is higher than that of ordinary motor and can be recovered within 2 years, which can save electricity for enterprises in the whole life cycle.

02-09

2023

Application of permanent magnet synchronous motor in new energy vehicles

Permanent-magnet synchronous motor is mainly composed of rotor, end cover and stator. Permanent magnet means that the motor rotor carries high-quality permanent magnet, and synchronization means that the rotation speed of the rotor is equal to the rotation "magnet" generated by the stator.

02-06

2023

The application of permanent magnet synchronous motor in pump equipment is analyzed

In industrial and agricultural production, the application of pump equipment can be seen everywhere, and many equipment also use pumps. The energy consumption of the pump is only second to that of the power motor equipment, which can be said to be a large energy consumption family. Under the severe situation of energy conservation and emission reduction, reducing pump energy consumption is of great significance for energy conservation and emission reduction.

01-03

2023

High efficiency motor High efficiency, low power factor, high current?

The relationship between the current, voltage, power, efficiency, power factor and other parameters of motor products will always have a parameter change that affects the change of other parameters.High efficiency motor, especially under the dual carbon target, the improvement of motor efficiency has become a very hot topic. Motor manufacturers and motor users are very concerned about the efficiency compliance of the motor.

12-15

2022

How many years can permanent magnet synchronous motor be used? Will magnetism deteriorate after a long time?

Those who have bought and used the permanent magnet synchronous motor should know that the life of the permanent magnet synchronous motor is longer. If the permanent magnet synchronous motor is properly maintained in normal use, the service life of the permanent magnet synchronous motor can even be effectively extended. So, how long is the life of permanent magnet synchronous motor? Let's have a look.

12-01

2022

Which industries are permanent magnet synchronous motors mainly used in

Permanent magnet synchronous motor (PMSM) has the advantages of simple structure, small size, high efficiency and high power factor. The permanent magnet synchronous motor has gained achievements in medium and low voltage motors in metallurgy industry (iron making plant and sintering plant, etc.), ceramics industry (ball mill), rubber industry (internal mixer), oil industry (oil pumping unit), textile industry (double twister, spinning frame), etc., and gradually accumulated design and operation experience.

11-18

2022

Hengda YTDD series permanent magnet servo direct drive motor

YTDD series permanent magnet servo direct drive motor is designed by Hengda for high-performance motion control. This series of motors are widely used in straight wire drawing units, with high power density, obvious energy saving and consumption reduction; Improve the production capacity per unit area; There is no need for deceleration mechanism, direct drive, high reliability, low maintenance cost, intelligent control of the Internet of Things and other advantages. The low speed and large torque characteristics of the permanent magnet direct drive motor meet the needs of the wire drawing machine industry for product transformation and upgrading.

11-11

2022

What are the factors leading to two-phase operation of the motor?

According to the investigation and feedback, motor burning is mostly caused by two-phase operation. The factors leading to two-phase operation of the motor are as follows:1、 In terms of power consumption: due to the concentration of power consumption in daily work, the fuse at the low-voltage outlet of the transformer and the main power supply knife switch fuse in the distribution room are most likely to fuse;

11-04

2022

What are the measurement methods of no-load back EMF of permanent magnet synchronous motor?

Back electromotive force (back electromotive force formula of permanent magnet synchronous motor) Back electromotive force refers to the electromotive force generated by resisting the changing trend of current. Back EMF generally appears in electromagnetic coils, such as relay coils, solenoid valves, contactor coils, motors, inductors, etc. Today we will talk about the measurement methods of no-load back EMF of permanent magnet synchronous motor?

10-27

2022

Something between the motor and the frequency converter

Electric motors are familiar to us and can be seen everywhere in life. In daily production and life, motors are basically involved. Frequency converter is a kind of control equipment, which can change the frequency of voltage, and has a good energy-saving effect. Today I want to introduce the relationship between frequency converter and motor.

10-08

2022

The standard wiring mode of high efficiency motor is

The wiring diagram and method of high efficiency motor are different from those of individual motors, so it is necessary to know something in advance when wiring high efficiency motors. High efficiency motor adopts star connection and triangle connection. Let's take a brief look.

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News center

The fields and functions of three-phase asynchronous motors

Is there a significant price difference between permanent magnet motors and regular motors?

What is the high-temperature resistance performance of permanent magnet synchronous motors?

Introduction to the Speed Fluctuation Index of High Power Permanent Magnet Synchronous Motor

What is the function of a permanent magnet synchronous motor controller?

How to measure the quality of a permanent magnet synchronous motor?

Theoretical to practical application of losses in permanent magnet synchronous motors

Installation steps and precautions for permanent magnet synchronous motors

The Function of Permanent Magnet Synchronous Motor Driver

What are the demagnetization methods for permanent magnet motors and DC motors?

Structure diagram and characteristics of permanent magnet synchronous motor

What are the characteristics and advantages and disadvantages of permanent magnet synchronous motors?

Why has permanent magnet synchronous motor become the main driving motor?

Which is more efficient, AC induction motor or permanent magnet synchronous motor?

Working Principle and Wiring Method of Three Phase Motor with Positive and Reverse Rotation

"Hengda Cup" Textile Intelligent Design Grand Prix was successfully held

How to adjust the speed of permanent magnet synchronous motor

What are the brief methods to check the fault of permanent magnet motor?

What is the current development status of permanent magnet synchronous motor? What are the technical challenges?

What are the advantages of high-efficiency motors?

Application of permanent magnet synchronous motor in new energy vehicles

The application of permanent magnet synchronous motor in pump equipment is analyzed

High efficiency motor High efficiency, low power factor, high current?

How many years can permanent magnet synchronous motor be used? Will magnetism deteriorate after a long time?

Which industries are permanent magnet synchronous motors mainly used in

Hengda YTDD series permanent magnet servo direct drive motor

What are the factors leading to two-phase operation of the motor?

What are the measurement methods of no-load back EMF of permanent magnet synchronous motor?

Something between the motor and the frequency converter

The standard wiring mode of high efficiency motor is

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