China Grid Switchgear System Manufacturers, Suppliers, Factory

The JDZX(F)9-10G potential transformer is an epoxy resin fully enclosed casting insulation indoor type product. It is suitable for various high-voltage switchgear and is designed for voltage, electric energy measurement, and relay protection in power systems with a rated frequency of 50Hz and a rated voltage of 10kV (or 6kV) and below. This product features a single-phase, dual-winding fully enclosed structure, with epoxy vacuum resin cast molding. The core is made of high-quality cold-rolled silicon steel sheets wound into a circular shape. Both the primary and secondary windings are wound around the core. The secondary winding has a terminal box with user-friendly output slots. The product has excellent resistance to contamination and moisture, demonstrated by its compliance with Level II pollution degree in terms of surface creepage distance. It also meets the requirements for local discharge level as per GB1207-1997 "Voltage Transformers" standard. Additionally, the power factor of the load is 0.8 lagging (COSφ=0.8). In summary, the JDZX(F)9-10G potential transformer is a reliable and high-performance solution for voltage measurement, electric energy measurement, and relay protection in power systems. Its fully enclosed structure, epoxy resin insulation, and high-quality core ensure durability and efficiency in various electrical applications.

The LW3-12 SF6 outdoor 3 pole mounted vacuum circuit breaker is a new generation product developed by our company in accordance with the new requirements of the State Grid Corporation of China for the integration of primary and secondary systems. The switch configuration fully complies with the requirements of the State Grid for the integration of primary and secondary systems. With its compact design structure, rational layout, and comprehensive functionality, this circuit breaker meets all the specified criteria for the integration of primary and secondary systems by the State Grid. One of the key features of this circuit breaker is its use of unified-parameter protection current transformers (CT), zero-sequence current transformers (ZCT), and zero-sequence voltage sensors. These components offer a wide measurement range, high measurement accuracy, and exceptional reliability. With complete analog quantities, this circuit breaker enables accurate diagnosis of various faults on power lines. The LW3-12 SF6 outdoor 3 pole mounted vacuum circuit breaker is meticulously designed to ensure optimal performance and reliable operation. It guarantees the effective integration of primary and secondary systems, providing a secure and stable solution for power distribution networks. Key Features: Integrated Primary and Secondary Systems: The switch configuration complies with the requirements of the State Grid for the integration of primary and secondary systems. This ensures seamless compatibility and smooth operation within the power distribution network. Compact Design and Rational Layout: The circuit breaker is engineered with a compact design structure and a rational layout, optimizing the use of space and facilitating installation and maintenance processes. Comprehensive Functionality: With its comprehensive functionality, the LW3-12 SF6 outdoor circuit breaker meets all the specified criteria for the integration of primary and secondary systems by the State Grid. It effectively protects power lines against various faults, ensuring the stability and reliability of the power distribution network. Unified-Parameter Protection CT, ZCT, and Zero-Sequence Voltage Sensors: These components offer a wide measurement range, high measurement accuracy, and exceptional reliability. They enable accurate fault diagnosis on power lines, ensuring quick and effective response to any detected abnormalities. In conclusion, the LW3-12 SF6 outdoor 3 pole mounted vacuum circuit breaker is a cutting-edge product that meets the requirements of the State Grid for the integration of primary and secondary systems. Its compact design, rational layout, comprehensive functionality, and use of unified-parameter protection components make it a reliable and efficient solution for power distribution networks.

Introducing the Efficient and Reliable 20kV Oil Immersed Outdoor Transformer Are you in search of a high-quality transformer that combines efficiency, reliability, and durability? Look no further! We are excited to introduce our state-of-the-art 20kV Oil Immersed Outdoor Transformer, designed to meet the demands of various power distribution applications. With an output capacity that ensures optimal performance, this transformer is an excellent choice for industrial, commercial, and residential settings. Equipped with advanced technology, it offers exceptional voltage regulation and high energy efficiency, resulting in reduced power consumption and significant cost savings. One of the key features of our 20kV Oil Immersed Outdoor Transformer is its ability to withstand extreme weather conditions. Built to resist moisture, dust, and other environmental factors, this transformer can be installed outdoors without compromising its performance. Its robust construction ensures longevity, making it a reliable choice for long-term use. Safety is a top priority, and our transformer meets all industry standards and regulations. It is equipped with a range of protective features, including overload protection, short-circuit protection, and temperature sensors, guaranteeing safe and trouble-free operation. Additionally, it is designed with simplified maintenance requirements, allowing for easy access during inspections or maintenance tasks. Installation and operation are made simple with the user-friendly design of our transformer. It is both compact and lightweight, enabling easy transportation and placement. Additionally, it integrates seamlessly with existing power distribution systems, making it an ideal choice for upgrades or expansions. Our 20kV Oil Immersed Outdoor Transformer is the epitome of reliability and efficiency. By investing in this product, you can rest assured that your power distribution needs will be met with utmost precision. Whether you are seeking to power commercial buildings, residential complexes, or industrial facilities, our transformer is the perfect solution. Don't settle for subpar performance or outdated technology. Upgrade to our top-of-the-line 20kV Oil Immersed Outdoor Transformer and experience the difference in efficiency, reliability, and durability. Contact us today to learn more about this exceptional product and see how it can transform your power distribution infrastructure.

the GN19 Indoor Medium High Voltage Disconnect Switch is a reliable and efficient solution for power distribution in both medium and high voltage systems. With its robust design, advanced safety features, ease of installation and operation, as well as high-performance capabilities, this switch offers a comprehensive solution for controlling and isolating electrical circuits. Whether for medium or high voltage applications, the GN19 switch ensures safe and uninterrupted power supply, making it an ideal choice for various industries and sectors.

The ZW8 Series Outdoor High Voltage Vacuum Circuit Breaker is a cutting-edge outdoor high voltage switch device with a rated voltage of 12KV. Specifically designed for power distribution systems in urban and rural networks, this circuit breaker serves the purpose of carrying, disconnecting, and reconnecting load currents, overload currents, and short-circuit currents. It is an ideal product for achieving oil-free operation, replacing traditional oil-immersed circuit breakers. The exterior insulation of the ZW8-12 vacuum circuit breaker is made of reliable silicone rubber material, which possesses excellent insulation performance and strong anti-pollution capabilities. Equipped with a spring-stored energy operating mechanism, the ZW8-12 vacuum circuit breaker supports manual, motorized, and remote-controlled opening and closing operations. Furthermore, it can be combined with an isolating switch on the side of the circuit breaker to form a composite outdoor high voltage vacuum circuit breaker and isolating switch assembly, which not only provides a visible isolation gap but also offers reliable interlocking operations. By pairing with a corresponding controller at user's request, it can be transformed into an AC high voltage vacuum automatic recloser or an automatic sectionalizer, equipped with its own operating power supply. It serves as an ideal solution for achieving automation in power distribution networks. The high voltage voltage transformer structure can be either external or internal. ZW8A-12 is a combination circuit breaker consisting of a ZW8-12 circuit breaker and an isolating switch, capable of functioning as a sectional switch. The ZW8 Series Outdoor High Voltage Vacuum Circuit Breaker offers exceptional reliability, robust performance, and advanced features to meet the demanding requirements of modern power distribution systems. Its outstanding insulation properties, complemented by the use of silicone rubber material, ensure reliable insulation performance and excellent resistance to pollution. The spring-stored energy operating mechanism allows for convenient manual, motorized, and remote-controlled operations, providing flexibility and ease of use in different scenarios. The unique combination of a circuit breaker and an isolating switch enhances the functionality of the ZW8 Series, enabling visible isolation gaps and reliable interlocking operations. Additionally, the option to integrate a controller allows for the creation of an automated power distribution system, further enhancing efficiency and control. The ZW8 Series is designed to be versatile and adaptable, enabling both external and internal high voltage voltage transformer structure setup based on specific requirements. This flexibility ensures seamless integration into various power distribution systems. In conclusion, the ZW8 Series Outdoor High Voltage Vacuum Circuit Breaker offers a reliable and efficient solution for power distribution systems in urban and rural networks. With its superior insulation performance, advanced operating mechanisms, and integration capabilities, it fulfills the demands of modern power distribution systems, facilitating a more reliable, automated, and efficient power distribution network.

The GZD(W) DC220KV DC110KV DC48KV microcomputer control direct current power supply cabinet is a cutting-edge and highly efficient solution for various industries that require a reliable power supply. This power supply cabinet is designed to deliver stable direct current (DC) to support critical applications in fields such as telecommunications, power transmission, and industrial automation. Equipped with advanced microcomputer control technology, this power supply cabinet offers precise output voltage regulation and robust overload protection. It ensures the safe and efficient operation of connected equipment while minimizing the risk of power fluctuations and damage due to voltage surges. The microcomputer control system continuously monitors and adjusts the output voltage, ensuring a stable power supply under varying load conditions. With a voltage output capacity of DC220KV, DC110KV, and DC48KV, this power supply cabinet caters to a wide range of operational requirements. It can provide reliable power to large-scale infrastructure projects, high-voltage transmission systems, and high-power applications. The cabinet's high voltage capacity makes it suitable for demanding environments where uninterrupted power supply is crucial. The GZD(W) DC220KV DC110KV DC48KV microcomputer control direct current power supply cabinet is designed for ease of installation, operation, and maintenance. It features a compact design, making it space-saving and perfectly suited for both indoor and outdoor installation. The cabinet also incorporates multiple safety measures, such as short circuit protection and overvoltage protection, ensuring the safety of the connected equipment. In addition to its exceptional performance and reliability, this power supply cabinet offers energy-saving benefits. It features high-efficiency power conversion technology that minimizes energy loss during operation, reducing overall power consumption and environmental impact. In summary, the GZD(W) DC220KV DC110KV DC48KV microcomputer control direct current power supply cabinet is a technologically advanced and versatile solution for industries that rely on dependable power supply. With its precise control, high voltage capacity, and energy-saving features, this power supply cabinet ensures uninterrupted operation of critical equipment while maximizing efficiency and reducing environmental impact.