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Shanghai Pinxing Explosion-Proof Motors: Technical Analysis and Application Advantages of Synchronous and Asynchronous Motors
Home / News / Company News / Shanghai Pinxing Explosion-Proof Motors: Technical Analysis and Application Advantages of Synchronous and Asynchronous Motors
Author: Admin Date: Jan 15, 2026

Shanghai Pinxing Explosion-Proof Motors: Technical Analysis and Application Advantages of Synchronous and Asynchronous Motors

Company Technology Focus: Core Characteristics of Synchronous and Asynchronous Motors

As a leading enterprise specializing in the R&D and manufacturing of explosion-proof motors, Shanghai Pinxing Explosion-Proof Motor Co., Ltd. has accumulated profound technical experience in the design and application of both synchronous and asynchronous motors. The following analysis explains the characteristics of these two motor types and their applicable scenarios in industrial explosion-proof environments from a product technology perspective.

Synchronous Motors: A Reliable Choice for High Precision and Adjustable Power Factor

The rotor speed of a synchronous motor maintains strict synchronization with the power supply frequency, offering high operational stability, with speed unaffected by load fluctuations. Shanghai Pinxing explosion-proof synchronous motors employ advanced permanent magnet or external excitation technology, combined with explosion-proof structural design. They are suitable for applications requiring long-term stable operation and strict speed control, such as chemical process compressors, explosion-proof CNC machine tools, and power generation equipment in explosive atmospheres.

Technical Highlights: Supports power factor adjustment, capable of over-excitation operation to provide reactive power compensation for the grid, enhancing system energy efficiency; structural design balances explosion-proof requirements with heat dissipation performance, suitable for flammable and explosive environments.

Asynchronous Motors: An Economical Solution with Simple Structure and Easy Maintenance

Asynchronous motors (induction motors), with their robust squirrel-cage or wound-rotor structures, do not require an external excitation power supply, as torque is automatically generated through electromagnetic induction. Shanghai Pinxing explosion-proof asynchronous motors maintain high reliability while offering simple starting, strong adaptability, and lower manufacturing costs. They are widely used in fans, pumps, conveying equipment, and general industrial drive systems.

Technical Highlights: Fully enclosed explosion-proof design with high protection rating; utilizes efficient electromagnetic solutions and optimized heat dissipation structures to improve operational efficiency while ensuring safety; supports variable frequency speed control to meet diverse operational needs.

Performance Comparison and Application Recommendations

Item Synchronous Motor Asynchronous Motor
Speed Characteristic Constant, synchronous with power supply frequency Slightly below synchronous speed, varies slightly with load
Power Factor Adjustable, can improve grid quality Lagging, requires additional compensation devices
Starting Method Requires auxiliary starting (e.g., variable frequency) Direct starting, simple and quick
Structural Complexity Higher, includes excitation system Simple, strong maintenance-free nature
Typical Application Precision control, reactive compensation, power generation systems General machinery, fans & pumps, conventional drives

About Pinxing Explosion-Proof Motors

Shanghai Pinxing Explosion-Proof Motor Co., Ltd. is committed to providing safe, efficient, and reliable explosion-proof motor solutions for hazardous environments such as petroleum, chemical, pharmaceutical, and mining industries. The company possesses a comprehensive product system covering various motor types including synchronous and asynchronous, and offers customized design and professional technical support.

For more product information or technical consultation, please visit the company's official website or contact our engineering team.

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