LZZBJ4-35 35kV Epoxy Current Transformer for HV Switchgear

Model and its meaning

Summarize

The design of the 15-40.5kV indoor current transformers reflects a relentless pursuit of innovation and quality. The epoxy resin casting process not only enhances the mechanical strength of the transformers but also improves their insulation performance. This modern transformer design approach signifies the industry's shift towards more reliable and efficient solutions to meet the needs of modern power systems.

As the global energy landscape continues to evolve, the importance of current transformers in ensuring safe and efficient power distribution cannot be ignored. With the increasing proportion of renewable energy integrated into the grid and the growing complexity of power grids, the demand for accurate measurement and reliable protection systems is becoming increasingly urgent. 15-40.5kV indoor current transformers exemplify how advanced engineering technology addresses these challenges, providing a robust solution for modern power systems.

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 from severe pollution, ensuring that the equipment operates in a good environment, thereby improving its reliability and service life, reducing the possibility of failure, and ensuring the stability and safety of the power system.

Technical parameter

Rated secondary current: 5A or 1A.

Rated insulation level: 40.5/95/185kV.

Structure and characteristics

This type of current transformer is of an epoxy resin cast fully enclosed structure. The primary output terminals are all led out from the top of the product. There are 12-ø13 holes on the insulating disc in the middle of the product for installation in conjunction with circuit breakers, etc. The notable features of this product include variable ratio, multiple levels, high accuracy grade, and high dynamic and thermal stability performance, etc. This product has excellent insulation performance and moisture-proof ability. The base plate of the product is equipped with grounding bolts and four installation holes for installation.