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High voltage motor is a type of electric motor specifically designed to handle high voltage and power demands. They are commonly used in industrial and commercial applications such as power plants, chemical plants, oil and gas extraction, transportation, and other applications that require large amounts of electrical energy. These motors often feature special insulation and cooling systems to ensure they remain stable and efficient when operating in high-voltage environments. They are typically capable of handling voltages of thousands of volts, and power ranges from hundreds of kilowatts to several megawatts.

High-voltage motors usually have high efficiency and performance and can operate stably under various harsh conditions. They are used in a wide range of applications, from industrial production to transportation, and play a vital role. As technology continues to evolve, so too do the design and manufacturing of high-voltage motors to meet growing power demands and higher energy efficiency requirements.

About

Who we are

Shanghai Pinxing Explosion-proof Motor Co., Ltd. is a high-tech enterprise specializing in the design, research and development, manufacturing, and service of motors and motor control products. We are Three-Phase High Voltage Motor Manufacturers and AC Induction Motor Suppliers.

Shanghai Pinxing is a AAA manufacturer of electrical equipment in China, specializing in the production of more than 1000 varieties of large and medium-sized high- voltage flameproof and increased safety explosion-proof motors, large and medium-sized high-voltage AC motors (including asynchronous, synchronous, frequency conversion and wound rotor motors), various types of small& medium-sized low-voltage explosion-proof motors, AC motors and so on. Our products are exported to more than 40 countries and regions at home and abroad which are widely used in the fields of coal mining, metallurgy, cement, paper making, environmental protection, petroleum, chemical, textile, road traffic , water conservancy, power, shipbuilding and other factories and enterprises. We are moving towards energy conservation, efficiency, environmental protection, integrated automation and internationalization. Shanghai Pinxing Explosion-proof Motor Co., Ltd aims to provide good motor products and motor technology solutions for global industrial enterprises and various fields, and make "Pinxing"motor become the motor technology solution provider and motor manufacturer in the global motor industry.

Pinxing.

  • Current employees
    0+

    It has more than 20 professional and technical personnel, 10 with intermediate and senior professional titles, including 5 senior engineers.

  • Factory area
    0

    It now has 3 wholly-owned subsidiaries, covering a total area of 120,000 square meters, and its production bases are located in Shanghai, Zhejiang and Jiangsu.

  • Motor type
    0+

    We specialize in the production of more than 1,000 varieties of various types of motors, with an annual production capacity of 7 million kilowatts.

Honor

Our Certificate

  • Shanghai Pinxing Explosion-proof Motor Co., Ltd. Shanghai Pinxing Explosion-proof Motor Co., Ltd.
    ISO 14001
  • Shanghai Pinxing Explosion-proof Motor Co., Ltd. Shanghai Pinxing Explosion-proof Motor Co., Ltd.
    CE
  • Shanghai Pinxing Explosion-proof Motor Co., Ltd. Shanghai Pinxing Explosion-proof Motor Co., Ltd.
    Mining Product Safety Mark Certificate
  • Shanghai Pinxing Explosion-proof Motor Co., Ltd. Shanghai Pinxing Explosion-proof Motor Co., Ltd.
    CNEX
  • Shanghai Pinxing Explosion-proof Motor Co., Ltd. Shanghai Pinxing Explosion-proof Motor Co., Ltd.
    CNEX
  • Shanghai Pinxing Explosion-proof Motor Co., Ltd. Shanghai Pinxing Explosion-proof Motor Co., Ltd.
    Intellectual Property Management System Certification
  • Shanghai Pinxing Explosion-proof Motor Co., Ltd. Shanghai Pinxing Explosion-proof Motor Co., Ltd.
    ECM 19 ATEX-B CQ67
  • Shanghai Pinxing Explosion-proof Motor Co., Ltd. Shanghai Pinxing Explosion-proof Motor Co., Ltd.
    ECM 19 ATEX-B CQ68
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Industry Knowledge Extension

How does the winding design of high-voltage motors ensure uniform voltage distribution between layers and turns?


The winding design of high-voltage motors is a key link to ensure uniform voltage distribution between layers and turns. This design not only affects the running stability and efficiency of the motor, but also directly affects the service life of the motor. Shanghai Pinxing Explosion-proof Motor Co., Ltd., with its profound industry experience and leading technical strength, has adopted a variety of innovative strategies in the design of high-voltage motor windings to ensure uniform voltage distribution.
The company focuses on the optimization of winding layout. Through precise calculation and simulation analysis, the engineers of Shanghai Pinxing Explosion-proof Motor Co., Ltd. can design a reasonable coil arrangement and wiring method to achieve the best spatial distribution between coils, between coil layers and between coil turns, thereby effectively reducing the unevenness of the electromagnetic field and avoiding local concentration of voltage distribution.
The company is extremely strict in the selection and application of insulating materials. The windings are carefully wrapped with insulating materials with high dielectric strength and excellent heat resistance, and the thickness of the insulating layer is increased or special insulating materials are used in key parts to build a strong insulation barrier. This high-standard insulation treatment not only protects the winding from direct impact of high voltage, but also significantly improves the uniformity of voltage distribution between winding layers and turns.
Shanghai Pinxing Explosion-Proof Motor Co., Ltd. is also good at using segmented winding design technology. By dividing the entire winding into multiple smaller segments, each segment is connected by advanced insulating connectors, the company can significantly reduce the voltage level of each winding segment, thereby further promoting the uniformity of voltage distribution. At the same time, this design also improves the flexibility and maintainability of the winding, providing a strong guarantee for the long-term stable operation of the motor.
The company continues to promote technological innovation and product upgrades. With the continuous development of technology, Shanghai Pinxing Explosion-Proof Motor Co., Ltd. is committed to applying the latest scientific research results to the winding design of high-voltage motors. By introducing advanced means such as dynamic balancing technology and intelligent control technology, it realizes real-time monitoring and adjustment of winding voltage distribution, ensuring that the motor can maintain the best voltage distribution state under various working conditions.
Shanghai Pinxing Explosion-Proof Motor Co., Ltd. has made remarkable achievements in high-voltage motor winding design with its professional technical team, strict quality control system and continuous innovation spirit. The high-voltage motors produced by the company not only have excellent voltage distribution uniformity, but also have high efficiency and stable performance. They can be widely used in industrial and commercial fields under various harsh conditions, providing reliable motor products and solutions for global industrial enterprises and various fields.

When assembling high-voltage motors, how to ensure that the matching dimensions of the bearings and rotor shafts are accurate to reduce vibration and wear?
During the assembly process of high-voltage motors, ensuring the accurate matching dimensions of the bearings and rotor shafts is a key link to ensure the stable operation of the motor and reduce vibration and wear. In response to this requirement, Shanghai Pinxing Explosion-Proof Motor Co., Ltd., relying on its advantages as a high-tech enterprise for the design, research and development, manufacturing and service of motors and motor control products, will take the following comprehensive measures to ensure the accuracy of the matching dimensions:
High-precision processing and testing: The company uses advanced CNC machine tools and precision measuring equipment to perform high-precision processing on the rotor shaft and bearing seat to ensure that the roughness and shape tolerance of the shaft diameter, bearing inner diameter and matching surface meet the design requirements. Through strict quality control processes, including three-coordinate measuring machine (CMM) testing, the dimensional accuracy of each component is ensured.
Precision assembly technology: During the assembly stage, Shanghai Pinxing uses professional assembly processes and tools, such as hot-fitting (heating the bearing to expand it and then assembling it on the shaft), freezing assembly, etc., to control the temperature change and stress distribution during the assembly process, ensure that the bearing and the rotor shaft achieve an ideal interference fit or clearance fit, and reduce vibration and wear caused by improper assembly.
Dynamic balancing correction: In addition to ensuring the accuracy of static dimensions, the company also attaches importance to the dynamic balance of the motor. After the assembly is completed, the motor will be dynamically balanced. By adjusting the counterweight or correcting the unbalanced parts, the motor will achieve a good dynamic balance state when rotating at high speed, further reducing vibration and noise.
Advanced lubrication system: To ensure the long-term and stable operation of the bearing, Shanghai Pinxing will also select high-quality grease or lubricating oil according to the specific operating conditions and requirements of the motor, and design a reasonable lubrication system to ensure that the bearing is fully lubricated and reduce friction and wear.
Professional training and technical support: The company pays attention to employee training to ensure that the assemblers have professional knowledge and skills and can accurately understand and implement the assembly process requirements. At the same time, it provides comprehensive technical support and after-sales service to help users solve various problems in the operation of the motor and ensure that the motor is always in the best condition.
Shanghai Pinxing Explosion-proof Motor Co., Ltd. ensures the precise matching dimensions of the bearings and rotor shafts during high-voltage motor assembly through high-precision machining, precision assembly, dynamic balancing correction, advanced lubrication systems, and professional training and technical support, thereby effectively reducing vibration and wear and improving the overall performance and reliability of the motor.