China Digital three phase current transformer 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 SV-12 Indoor High Voltage AC Vacuum Circuit Breaker is designed for use in power systems with a rated voltage of 12kV and operates at a frequency of 50Hz. It finds widespread applications in substations, power plants, industrial and mining enterprises, as well as airports and commercial buildings, where it plays a crucial role in controlling and protecting electrical facilities. With its ability to handle frequent operations and fast reclosing, the SV-12 Circuit Breaker offers unmatched performance. Compliance with national standards and international regulations underscores the quality of the SV-12 Indoor High Voltage AC Vacuum Circuit Breaker. It meets the requirements specified in GB 1984-2014 "High-Voltage AC Circuit Breakers," JB/T3855-2008 "High-Voltage AC Vacuum Circuit Breakers," and DL/T 403-2000 "Technical Requirements for Ordering 12kV to 40.5kV Indoor AC High-Voltage Vacuum Circuit Breakers." Additionally, it conforms to relevant provisions from the International Electrotechnical Commission standards, including IEC 62271-100, IEC 60694, and IEC 62271-1. The standout feature of the SV-12 Indoor High Voltage AC Vacuum Circuit Breaker is its solid insulation ring net cabinet movement. This innovative operating mechanism ensures reliable performance and facilitates convenient maintenance. The use of solid insulation material enhances the breaker's insulation capabilities, promoting the overall safety of the electrical system. Furthermore, the ring net cabinet movement enables smooth and efficient switching of electrical circuits. With its 12kV rated voltage, the SV-12 Circuit Breaker is perfectly suited for high voltage applications. Its extensive usage across various industries and facilities is a testament to its exceptional reliability and performance. The SV-12 Indoor High Voltage AC Vacuum Circuit Breaker provides steadfast control and protection of electrical infrastructure. In conclusion, the SV-12 Indoor High Voltage AC Vacuum Circuit Breaker is an advanced product featuring a solid insulation ring net cabinet movement. Its compliance with national and international standards confirms its superior quality and adherence to stringent regulations. Specifically designed for 12kV power systems, this circuit breaker guarantees reliable performance and efficient control and protection of electrical facilities. Its cutting-edge technology and unrivaled performance make it the ideal choice for a wide range of applications.

The LSY3-10 current transformer is a three-phase integrated device designed for installation on the three-phase bushings of ring network switchgear and main columns. It serves the purpose of measuring and protecting three-phase current transformers and zero sequence current. Additionally, it can be used for measuring and protecting zero sequence current in multiple cable circuits. Key Features: The LSY3-10 current transformer features a high-quality epoxy resin vacuum impregnation for the iron core and secondary winding, encapsulated within a flame-retardant plastic housing. This design ensures moisture resistance, stability, and eliminates the need for maintenance. Installation: The current transformer is specifically designed for installation on the three-phase bushings of ring network switchgear and main columns. Its compact size and integrated design make it easy to install in these locations, allowing for efficient measurement and protection of three-phase current transformers and zero sequence current. Performance and Protection: The LSY3-10 current transformer offers reliable performance and effective protection capabilities. Its iron core and secondary winding, encapsulated in high-quality epoxy resin, provide stability and moisture resistance. This ensures accurate and consistent measurement of three-phase current transformers and zero sequence current. The integrated design further contributes to its protection capabilities by preventing external elements from compromising its performance. Applications: The LSY3-10 current transformer is suitable for a variety of applications. Its primary use is for measuring and protecting three-phase current transformers and zero sequence current in ring network switchgear and main columns. However, it can also be utilized for measuring and protecting zero sequence current in multiple cable circuits. This versatility makes it a valuable asset in power distribution systems, providing accurate measurements and reliable protection. Maintenance-Free and Durable: With its high-quality epoxy resin vacuum impregnation and flame-retardant plastic housing, the LSY3-10 current transformer boasts a maintenance-free design. Its moisture resistance and stable performance eliminate the need for regular upkeep, reducing operational costs and downtime. The durable construction ensures a long lifespan, offering a reliable and long-term solution for current measurement and protection needs. In Conclusion: The LSY3-10 current transformer is a reliable and efficient solution for measuring and protecting three-phase current transformers and zero sequence current. With its integrated design, high-quality materials, and maintenance-free operation, it provides accurate measurements, stable performance, and protection in diverse applications. Designed for installation on the three-phase bushings of ring network switchgear and main columns, it offers versatility and durability, making it an essential component in power distribution systems.

The FLN36-12 indoor SF6 load break switch is a high-voltage switchgear suitable for use in a rated voltage of 12kV. It is designed with SF6 gas as an arc-extinguishing and insulation medium, ensuring safe and reliable operation. This load break switch is characterized by its small volume, making it suitable for installations with limited space. Its convenient installation and operation procedures make it user-friendly and efficient. Additionally, it exhibits great adaptability to various surroundings and environments. The FLN36-12 load break switch, along with the BRFLN36-12D combination of SF6 load switch and fuse, is designed to protect and control electrical equipment in power supply and transformer substations. It is especially well-suited for applications such as ring net cabinets, cable branch cabinets, and distribution switching substations. Both the FLN36-12 load break switch and the BRFLN36-12D combination of load switch and fuse comply with the standards set by IEC60265-1-1998 and IEC60420. This ensures their adherence to strict quality and safety regulations, providing peace of mind to users. In summary, the FLN36-12 indoor SF6 load break switch is a reliable and efficient solution for high-voltage power distribution. With its compact size, easy installation, and versatile adaptability, it offers a convenient and effective solution for controlling and protecting electrical equipment.

The MNS series low voltage withdrawable switchgear is a reliable and efficient solution for power distribution in various industries and applications. With its advanced design and innovative features, this series offers improved safety, flexibility, and ease of use. One of the standout features of the MNS series is its withdrawable design. This allows for easy installation, maintenance, and replacement of components, without the need for interrupting power supply. The withdrawable modules are designed to be easily inserted and removed from the switchgear, providing a quick and convenient solution for any modifications or repairs. The MNS series is built with the highest standards of safety in mind. It is equipped with protection devices such as circuit breakers and relays to ensure reliable operation and safeguard against overloads, short circuits, and other electrical faults. The switchgear also includes features like interlocking mechanisms and safety shutters to prevent accidental access to live parts, ensuring the safety of personnel working on the equipment. Flexibility is another key feature of the MNS series. It is designed to meet the specific requirements of different applications, with a wide range of options available for components such as circuit breakers, busbars, and control devices. The modular design allows for easy customization and expansion, making it suitable for various configurations and future upgrades. The MNS series is also known for its high performance and efficiency. It is built with durable materials and advanced engineering, ensuring long-lasting operation and minimal maintenance requirements. The switchgear is designed to handle high currents and withstand harsh environmental conditions, making it suitable for demanding industrial environments. In addition, the MNS series incorporates smart technologies for enhanced monitoring and control. It can be integrated with advanced communication systems, allowing for remote monitoring, diagnostics, and control of the switchgear. This enables proactive maintenance and troubleshooting, leading to improved operational efficiency and reduced downtime. Overall, the MNS series low voltage withdrawable switchgear is a reliable, safe, and efficient solution for power distribution. Its withdrawable design, advanced safety features, flexibility, and performance make it an ideal choice for a wide range of industries and applications.

The LMZT-10 three-phase integrated inflatable cabinet dedicated feedthrough current transformer is specifically designed to be installed on inflatable cabinets. It is used for the measurement and protection of current and zero-sequence current, and can also be used for the measurement and protection of zero-sequence current in multiple cable circuits. The core and secondary winding of the LMZT-10 series zero-sequence current transformer are made from high-quality epoxy resin, which is vacuum cast in a flame retardant plastic casing. This design ensures moisture resistance, stable performance, and eliminates the need for maintenance. This current transformer is a reliable and efficient solution for accurate current measurement and protection in various applications. Its installation on inflatable cabinets makes it suitable for use in diverse environments and setups. With its advanced design and materials, the LMZT-10 current transformer provides accurate and reliable measurements while ensuring the safety of the electrical system. The use of high-quality epoxy resin for the core and secondary winding not only enhances the performance but also extends the product's lifespan. The vacuum casting process ensures a complete and uniform filling, eliminating air pockets and enhancing the transformer's insulation capabilities. The integration of the current transformer into the inflatable cabinet provides a compact and space-saving solution, allowing for easy installation and maintenance. The flame retardant plastic casing offers excellent protection against fire hazards and ensures the safety of the surrounding equipment. The LMZT-10 current transformer is suitable for a wide range of applications, including electric power systems, industrial automation, and electrical equipment monitoring. Its capability to measure and protect both current and zero-sequence current makes it a versatile solution for various electrical setups. In conclusion, the LMZT-10 three-phase integrated inflatable cabinet dedicated feedthrough current transformer offers accurate current measurement and protection in a reliable and efficient manner. Its superior design, use of high-quality materials, and convenient installation make it an ideal choice for various electrical applications.