Switched Reluctance Motor: Dual Breakthroughs in High Efficiency, Energy Saving, and Adaptability to Harsh Operating Conditions

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2026-01-08 14:38:55
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Against the dual backdrop of increasingly stringent industrial energy consumption control and surging demand for complex operational conditions, the switched reluctance motor independently developed by Zhejiang Jikun Power has emerged as the preferred alternative to traditional motors, thanks to its unique structural design and excellent performance. It provides core power support for efficient production across various industries.

Traditional asynchronous AC motors and DC motors generally suffer from low efficiency and high energy consumption during speed regulation operations. Especially under low-speed and heavy-load conditions, energy loss increases significantly, and system efficiency often falls below 70%. Meanwhile, their complex winding structures or permanent magnet designs not only incur high manufacturing costs but also face challenges in reliability under harsh conditions such as high temperatures, high dust, and frequent start-stop operations. Zhejiang Jikun Power has deeply invested in motor technology research and development, precisely addressing the pain points of traditional motors. The company's switched reluctance motor exhibits comprehensive performance advantages. This motor adopts a double-salient variable reluctance structure, with the rotor consisting solely of laminated ordinary silicon steel sheets without any windings or permanent magnets. The stator is also equipped with concentrated windings, resulting in a simple and robust structure. This design not only significantly reduces the reliance on rare earth materials and manufacturing costs but also significantly enhances mechanical strength, allowing for ultra-high-speed operations of tens of thousands of revolutions per minute. In terms of energy efficiency, the switched reluctance motor maintains efficient operation across the entire speed regulation range and under different load conditions. The system efficiency generally reaches over 87%, which is 5-10 percentage points higher than that of traditional AC variable frequency speed regulation systems. The efficiency improvement is even more pronounced at low speeds, reaching over 10%.

For harsh operating environments in industries such as oil fields, mines, and textiles, this motor effectively resists high temperatures, humidity, and dust erosion through optimized sealing structure and insulation design. It can operate stably even in extreme temperatures exceeding 500°C or high dust environments. Its outstanding heavy-load starting capability is highly competitive. When the starting current is only 15% of the rated current, it can achieve 100% rated torque. When the starting current is 30%, the torque can reach 250% of the rated value, far exceeding traditional motors. It perfectly adapts to heavy-load starting and long-term low-speed heavy-load operation scenarios.

Field application data from a certain oil field shows that after replacing traditional drive motors with Zhejiang Jikun Power Switch Reluctance Motors, the annual energy saving rate of a single device reaches 15%-50%, maintenance times are reduced by more than 60%, and the trouble-free operation time is extended to over 10,000 hours. While reducing energy consumption costs, it significantly improves production continuity, fully verifying its adaptability and economy under harsh working conditions.


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