• Insulation Class of High-Voltage Three-Phase Asynchronous Motors

  The insulation class of high-voltage three-phase asynchronous motors is a core technical indicator defined based on the maximum allowable operating temperature of the insulation materials.

  2026-04-10 ABB MOTOR 108

• Factors Affecting the Efficiency of High-Voltage Motors

  There are many factors that affect the efficiency of high-voltage motors, including motor body losses, operating conditions, design and structural factors, as well as installation, maintenance, and environment. A detailed analysis is provided below.

  2026-03-27 ABB MOTOR 60

• Five core performance parameters of electric motors

  The five core performance parameters of a motor are key indicators for evaluating its performance, suitability for application scenarios, and selection criteria. They directly determine the operating state and effectiveness of the motor, including rated power, rated voltage, rated current, rated speed, and rated frequency.

  2026-02-11 ABB MOTOR 37

• Three Types of Energy Efficiency Labeling for Imported Electric Motors in China

  The current mandatory Energy Efficiency Label catalog in China covers 38 product categories. Key motor-related products included are:
  • Permanent Magnet Synchronous Motors
  • High-Voltage Three-Phase Squirrel-Cage Induction Motors
  The implementation rules for these products are specified in the 2025 catalog. For Permanent Magnet Synchronous Motors, the new rules took effect on January 1, 2026. For High-Voltage Three-Phase Induction Motors, the rules will take effect on April 1, 2026.

  2026-02-11 ABB MOTOR 30

• Conditions for Exempting Imported Motors in China from GB Energy Efficiency Certification

  For enterprises engaged in the business of importing motors for re-export, the application of these exemption clauses is subject to strict limitations. The key lies in proving that the motors are not for sale or use within China but are intended for re-export.

  2026-01-29 ABB MOTOR 20

• The difference between synchronous motor and asynchronous motor

  The main differences between synchronous motors and asynchronous motors include starting methods, working principles, speed control, power factor, overload characteristics, application range, structural complexity and other aspects.

  2025-07-17 ABB MOTOR 40

• The concept and principle of explosion-proof motors

  An explosion-proof motor is a kind of motor that can be used in flammable and explosive factories and does not generate electric sparks during operation.

  2025-07-17 ABB MOTOR 29

• Common causes of bearing abnormal noise

  Common causes of bearing abnormal noise:1. Impurities such as sand or carbon particles are mixed into the bearing to act as abrasives;2. Dirt such as water, acid or paint is mixed into the bearing to

  2024-06-06 ABB MOTOR 105