China European Substation 35kv 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.

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.

LMZK Series Current Transformer is a compact and lightweight device known for its small size, easy installation, and convenient functionality. It is widely used in compact fully insulated ring main units and is highly compatible with remote terminal devices like RTUs and FTUs, providing essential data support for the entire system. The installation process is simple and efficient, as it can be directly attached to the connected input and output cables. This current transformer has found extensive applications in various models of compact fully insulated ring main units, including SafeRing/Plus, Uniswitch, RM6/SM6, SVS, GA/GE, FB, and SS. Additionally, it is also suitable for use in combination substations and cable junction boxes. The LMZK Series Current Transformer utilizes high-quality imported silicon steel sheets with high magnetic permeability as its magnetic core material. This unique choice ensures that the core can be divided and offers minimal magnetic flux loss. The half-ring-shaped core and secondary winding are encapsulated in high-quality epoxy resin under vacuum in a flame-retardant plastic casing. This design not only guarantees moisture resistance but also provides stable and maintenance-free performance. During installation, the two half-ring cores are securely clamped onto the phase-separated cables using durable stainless steel brackets. This integration with the cables creates a harmonious and aesthetically pleasing appearance. The LMZK Series Current Transformer is compatible with 10KV cables ranging from 35mm2 to 400mm2, and the stainless steel brackets are resistance-free and ensure a reliable and robust connection. In summary, the LMZK Series Current Transformer stands out due to its compact size, lightweight nature, easy installation, and compatibility with various remote terminal devices. Its high-quality materials and superior design contribute to its exceptional performance in fully insulated ring main units, combination substations, and cable junction boxes.

The FKRN12-12D/T AC high voltage load break switch fuse combination is designed for use in 12kV and below three-phase power distribution systems. It serves as a control and protection device for various power equipment such as transformers, cables, and overhead lines. This product is particularly suitable for terminal substations and container substations in urban and rural power grids. It is also applicable for the control and protection of ring networks and dual radiation power supply units. The FKRN12-12D/T AC high voltage load break switch fuse combination has the capability to handle load currents, overload currents, and short circuit currents in the circuit. It provides reliable and efficient operation, ensuring the safety of the power distribution system. This combination product is equipped with a load break switch, as well as a fuse component to offer additional protection. It features a compact design and is easy to install and maintain. With its versatile functionality and wide range of applications, the FKRN12-12D/T AC high voltage load break switch fuse combination is an ideal choice for power distribution systems. It meets the requirements of various power equipment control and protection, making it an essential component in modern electrical infrastructure.

The LXK Series Zero Sequence Current Transformer is specifically designed for use in power systems and high-voltage three-phase AC generators and motors, providing effective protection against zero sequence overcurrent. It is suitable for indoor installation and can be used in 10kV and below, 50Hz line circuits. The outer diameter of the transmission cable should not exceed 120mm. Innovative Design: The LXK Series features a unique and innovative design, dividing the current transformer into two halves. These halves are then cast in resin to form a semicircular shape and connected using clamping brackets. This design allows for easy installation by separating and then merging the current transformer into a single unit, ensuring utmost convenience during setup. Secure and Reliable Protection: With the LXK Series, reliable protection is assured. The resin-filled construction of the transformer provides durability and safeguards against external factors. It ensures that accurate measurements of zero sequence current are obtained, enabling effective protection of various power system components, including three-phase AC generators and motors. This feature ensures the safety of the entire system. Versatile Applications: The LXK Series Zero Sequence Current Transformer has a wide range of applications. It is primarily used for measuring and protecting zero sequence current in power systems. Additionally, it plays a vital role in safeguarding high-voltage three-phase AC generators and motors. With its accurate measurements and reliable performance, it contributes to maintaining the optimal functioning and longevity of these critical components. Easy Installation and Integration: The LXK Series is designed with installation convenience in mind. The division of the current transformer into two halves simplifies the installation process. Once the halves are joined together, a seamless and integrated solution is achieved. This user-friendly installation method saves time and effort, allowing for efficient setup even in indoor locations. Durable Construction: The LXK Series Zero Sequence Current Transformer is built to last. The resin-filled, semicircular design provides exceptional strength and resistance to environmental factors. It ensures long-term reliability and eliminates the need for frequent maintenance. This sturdy construction guarantees uninterrupted protection, contributing to the overall efficiency and performance of the power system. Conclusion: The LXK Series Zero Sequence Current Transformer offers a comprehensive solution for effective protection against zero sequence overcurrent. Its unique design, ease of installation, and reliable performance make it an ideal choice for power systems and high-voltage three-phase AC generators and motors. With accurate measurements and durable construction, it ensures the utmost safety and efficiency. Choose the LXK Series for superior protection and peace of mind.

The ZN85-40.5 KV indoor high voltage vacuum circuit breaker is a switch device used for interrupting high voltage electrical circuits in terms of working current and fault current. It features an integrated and modular design with a simple and reasonable overall structure. The breaker is arranged in an upper and lower configuration, with the arc-extinguishing compartment located on top and the interlocking and operating mechanisms below. The device utilizes the specialized 3AV3 spring operating mechanism, which does not require adjustment and ensures stable and reliable operation. The vacuum arc-extinguishing compartment is enclosed within an insulated cylinder, thereby enhancing insulation performance and reducing overall dimensions. This series of ZN85-40.5 KV circuit breakers is suitable for indoor installation in devices rated at 40.5 KV and 50 Hz. It is equipped with the dedicated 3AV3 spring mechanism. The breaker can be installed in the JYN1-40.5(Z) removable metal-enclosed switchgear or the KYN61-40.5(Z) assembled metal-enclosed switchgear. It is considered the ideal circuit breaker for 40.5 KV installations. This series of products boasts high technical parameters, strong breaking capacity, reliable operation, stable performance, long service life, and easy maintenance. Furthermore, it is safe and free from explosion risks or pollution. It is widely used for protection and control of single busbar electrical facilities in industrial and mining enterprises, power plants, and substations. It is also suitable for frequent operations and special scenarios such as the switching of complete capacitor banks. The ZN85-40.5 KV indoor high voltage vacuum circuit breaker combines advanced design, excellent performance, and reliability to meet the demanding requirements of high voltage electrical circuit operations.