China high current transformer for sale Manufacturers, Suppliers, Factory

In order to better adapt to the new situation of economic, social and power grid development, improve the power supply capacity and adaptability of the distribution network, reduce the loss and power supply cost of the distribution network, save land resources, and meet the development needs of the power system for "boosting, increasing capacity, upgrading and optimizing the channel", On the basis of digesting and absorbing foreign advanced technologies and design concepts, our company has designed and manufactured YBM-24/0.4 series of "HV/LV prefabricated substation" (European box type substation) with 20kV distribution voltage grade, in which high-voltage switches, transformers and low-voltage switches are pre installed in the substation. High voltage switchgear shall be selected according to the principle of small size, oil-free, good performance, high reliability, maintenance free or less maintenance, which can realize terminal or looped network operation. The power distribution transformer shall be energy-saving and environment-friendly (low loss and low noise) transformer with Dyn11 connection group, tap and 20kV power supply. The product has the advantages of high power supply reliability, reasonable structure, flexible installation, convenient operation, small size, low cost, etc. It is used in the system with high voltage of 20kV, especially in the current 20KV system, and can be directly used after the system is transformed to 20KV. It can be widely used in industrial and mining enterprises, airports, stations, residential areas, ports, highways, subways and other places in the urban network transformation.

The FKN12A-12 series high voltage indoor load break switch is a three-phase high voltage switch equipment with a rated voltage of 12kV and a rated frequency of 50Hz. It is specifically designed for handling load currents, loop currents, no-load transformer and cable charging currents, as well as closing short-circuit currents. This load break switch is equipped with a grounding switch, capable of withstanding short-circuit currents. It is conveniently fitted with both manual and motor operating mechanisms, allowing for easy implementation of the three remote control requirements in power systems.

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.

 XGN15-12/24/40.5 unit type air insulated ring main unit with SF6 load switch as main switch, for whole cabinet is suitable for electric distribution automation and compact also expandable metal close switchgear.  It characters in its simple structure, flexible operation, reliable interlocking and convenient installation etc.,.  It can take self-produced FLS-12/24 load break switch; also according to user’s demand can be assembled with the internationally top-ranking brand LBS or VCB, Operational methods for the main switch inside ring main unit can be either manual or electric power driven. It can meet the requirement of “Four Controls” when matched with FTU and RTU. In accordance with the national standard GB3906 and international standardIEC298, protection degreeIP2X.

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.

12kV Indoor High Voltage Vacuum Circuit Breaker with Isolator in Gas Insulated Switchgear (GIS) The 12kV Indoor High Voltage Vacuum Circuit Breaker with Isolator is a vital component in Gas Insulated Switchgear (GIS). Designed for indoor use, this product offers reliable and efficient operation in high voltage applications. The GIS is comprised of various components, including a circuit breaker, isolator, grounding switch, current transformer, surge arrester, busbar, connectors, and outgoing terminals. All of these devices or parts are enclosed within a metal-grounded housing. The housing is filled with SF6 insulation gas, which is pressurized to ensure optimal performance. This characteristic has earned it the nickname "SF6 Fully Enclosed Combined Electrical Device." The 12kV Indoor High Voltage Vacuum Circuit Breaker plays a critical role in the GIS system. It is responsible for interrupting and isolating electrical circuits under fault conditions. Equipped with vacuum interrupter technology, this circuit breaker offers excellent arc quenching capability and enhanced reliability. Furthermore, the Isolator in this GIS system provides a means to isolate individual components or sections for maintenance or repair without disrupting the entire system. This feature ensures flexibility and convenience during installation and maintenance activities. Operating at a voltage level of 12kV, this GIS product is suitable for various indoor applications where high voltage switching is required. It offers excellent performance, reliability, and safety. In summary, the 12kV Indoor High Voltage Vacuum Circuit Breaker with Isolator is a key component of Gas Insulated Switchgear. Its integration within the GIS system allows for efficient electrical switching operations in high voltage applications. With advanced technologies and a fully enclosed design, this product guarantees reliable performance and utmost safety.