Stable power supply, core distribution equipment, and smart technologies drive industrial electricity upgrading to improve quality and efficiency.

01 High and Low Voltage Switchgear: The Core Distribution Unit of Power Systems

    High and low voltage switchgear serves as the core equipment in factory power distribution systems, undertaking the tasks of receiving, distributing, and controlling electrical energy. In large-scale factories, high voltage switchgear first steps down incoming power to low voltage, which is then meticulously distributed through low voltage distribution cabinets to end-use equipment such as production lines, machine tools, and welding apparatus.

    The interior of a switchgear cabinet forms a precision “miniature power world,” where components like circuit breakers, disconnect switches, and relays form a scientifically coordinated, organic whole.

    When a short-circuit fault occurs in a piece of equipment on the production line, the protective devices within the switchgear cabinet can act within milliseconds. They swiftly isolate the fault point, preventing it from spreading to the entire grid, ensuring production continuity, and significantly reducing economic losses caused by power outages.

02 Dual Power Supply Control Cabinet: Critical Equipment for Uninterrupted Power Supply

    Dual power supply control cabinets are irreplaceable in environments requiring extreme power continuity, like chemical plants. They enable seamless switching between primary and backup power via an Automatic Transfer Switch (ATS), ensuring uninterrupted, reliable power supply. This rapid switching keeps critical equipment—such as fire suppression systems, precision production lines, and servers—operating during primary power failures, guaranteeing uninterrupted power and enhancing overall system safety. 

03 Capacitor Bank: An Energy-Saving Tool for Improving Power Quality and Efficiency

    In industrial power distribution systems, capacitor cabinets are core equipment for enhancing power quality, particularly suited for applications with concentrated inductive loads such as metallurgy, mining, and machining. Their primary function is to compensate reactive power, improve power factor, and reduce line losses, thereby achieving energy savings and consumption reduction. Additionally, regarding voltage stability, when large equipment (such as high-voltage motors) starts up, it can pull down the busbar voltage (by as much as 10%-20%), causing malfunctions in other equipment. Capacitor cabinets provide real-time reactive power support, maintaining voltage deviations within ±5% of the rated value. This prevents contactor tripping or PLC malfunctions, ensuring stable production operations.

04 Sheet Metal Craftsmanship and Enclosure Design: An Overview

    Sheet metal processing is a comprehensive cold-working technique for thin metal plates, essential for industrial electrical equipment enclosures, directly determining protective rating, heat dissipation, and lifespan. It starts with scientific material selection (cold-rolled steel, stainless steel, aluminum-magnesium alloys) based on strength, corrosion resistance, and weight. Reliability relies on sophisticated structural design: calculating sheet thickness and reinforcing rib layout for static stiffness, designing convection channels for heat dissipation, and ensuring EMC via seam-bridging. Advanced manufacturing precision, like CNC laser cutting and bending accounting for material springback, ensures accurate part fitting. Surface treatments  enhance appearance and corrosion resistance.

    Heshan Electric Co., Ltd. offers a complete range of electrical equipment products. Our products are widely used in factories, enterprises, communities, data centers, and other settings. For common power distribution needs, Heshan Electric Co., Ltd. has mature design solutions, and for special power consumption scenarios, we also have advanced technology to provide customized services. Professional technical services and high-quality electrical products have earned Heshan Electric widespread praise among our customers.