LZZBJ9-35 35kV Cast-Resin Pillar-Type Current Transformer for Medium Voltage Switchgear

Model and its meaning

Summarize

15-40.5kV indoor current transformers are key components in electrical engineering, possessing excellent insulation performance, strong environmental adaptability, and high measurement accuracy. Their design and functionality comply with industry standards, ensuring compliance with the stringent requirements of indoor power systems. As we move towards a future centered on energy efficiency and reliability, the role of current transformers will become increasingly prominent, making them an indispensable part of building a sustainable and efficient energy future.

The 15-40.5kV indoor current transformer is an important electrical device used in power systems. It is widely used in various indoor substations, distribution rooms, and other power locations, and can be used in conjunction with switchgear, metering cabinets, and other equipment to provide strong support for the safe, stable, and efficient operation of the power system. Whether in industrial power supply systems or urban power grid substations, the 15-40.5kV indoor current transformer plays an indispensable role.

Normal service condition

Installation location: Indoor, suitable for use in various environments such as power equipment and control rooms, to ensure the safe and stable operation of equipment and provide good working conditions.

Ambient temperature: Maximum temperature 40℃; minimum temperature -5℃; daily average temperature not exceeding 30℃, to adapt to climate changes in different seasons, ensure normal operation of the equipment under various temperature conditions, avoid performance impact due to excessively high or low temperatures, and guarantee the long-term stability of the equipment.

Atmospheric conditions: The atmosphere is free of severe pollution, ensuring that the equipment operates in a good environment, thereby improving its reliability and service life, reducing the possibility of failure, ensuring the stability and safety of the power system, and also providing convenience for equipment maintenance and management.

Technical parameter

Rated secondary current: 5A or 1A.

Rated insulation level: 40.5/95/185kV.

Structure and characteristics

This type of current transformer features a fully enclosed epoxy resin casting structure, providing excellent insulation and moisture resistance, ensuring stable operation under various environmental conditions. The product has a clear outline, an attractive appearance, and is easy to clean, facilitating daily maintenance and management. A junction box is installed at the secondary wiring point, with holes on the front and side to mate with the output terminals for wiring, ensuring safety and reliability, effectively preventing wiring faults, and ensuring accurate current signal transmission. The base plate has a grounding bolt, a nameplate, and four mounting holes for installation. This rational design allows for flexible installation and fixation, adapting to different installation needs and further enhancing the stability and safety of the equipment.