LZZBJ9-24KV high-voltage current transformer
Contact Info
- Add:Xiangyang Industrial Zone, Liushi Town, Yueqing City, Zip:
- Contact: 李经理
- Tel:15167417505
- Email:864640886@qq.com
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The LZZBJ9-24 current transformer is an indoor epoxy resin vacuum-cast pillar-type device, suitable for power systems with a rated frequency of 50Hz and a rated voltage of 10kV and below (operating voltage 12kV). Its main functions are current measurement, electric energy metering and relay protection. It adopts epoxy resin fully enclosed casting technology, the iron core is made of magnetically conductive material, and the primary and secondary windings and the iron core are all cast in the resin, which has excellent insulation, moisture-proof performance and anti-pollution capability. The surface does not need to be sprayed and supports multi-directional installation. The product is divided into measurement grades (such as 0.2S, 0.5S grades) and protection grades (such as 10P10, 10P20 grades), and supports complex ratio structure design, which can adapt to middle-mounted switchgear. This type of current transformer meets standards such as IEC60044-1 and GB1208-2006, with a rated insulation level of 12/42/75kV and a rated secondary current of 5A or 1A. The usage conditions require an ambient temperature of -5℃ to +40℃ (daily average not exceeding 30℃) and an altitude not exceeding 1500m.
The LZZBJ9-10 current transformer adopts an epoxy resin vacuum-cast pillar-type structure, with the primary outlet located at the top (marked as P1, P2). The secondary windings are divided into measurement grades (1S1, 1S2) and protection grades (2S1, 2S2). The base is equipped with a grounding bolt and four mounting holes. The epoxy resin fully enclosed process ensures the equipment is moisture-resistant, pollution-proof, and has small size and light weight, making it suitable for installation in any position and any direction. Its iron core is made of magnetically conductive material, and the primary and secondary windings and the iron core are all cast in the epoxy resin body. The product surface adopts a non-spraying process, has excellent insulation and moisture-proof performance, and is suitable for installation and use in polluted and condensation environments.
Rated insulation level: 12/42/75kV
Secondary current: 5A or 1A
Creepage distance: Complies with Class II pollution level
Thermal stability current: Up to 31.5kA/1s
Dynamic stability current: Up to 80kA
In the model of the LZZBJ9-24 current transformer, "LZZBJ9" is the series model, and "10" represents the rated voltage of 10kV. For example, in the model "LZZBJ9-10 1000/5 10P30 0.5 0.2S 30/30/30/20VA", 1000/5 represents the rated transformation ratio, 10P30 represents the protection winding, which means the output current error of the secondary is ±10% under 30 times the rated current. 0.5 is the accuracy of the measurement winding, 0.2S is the accuracy of the metering winding (the accuracy requirement for metering is relatively high, and the error must be very small at small currents), and 30/30/30/20VA represents the rated capacity of each winding. This series of products has multiple model variants, such as LZZBJ9-10A, LZZBJ9-10B, LZZBJ9-10C, etc.
| Industry Category | Electrical Equipment & Supplies/High Voltage Electrical/Other High Voltage Devices |
|---|---|
| Product Category | |
| Brand: | 乐清市恒昭电气有限公司 |
| Spec: | LZZBJ9-24KV |
| Stock: | 1 |
| Manufacturer: | 乐清市恒昭电气有限公司 |
| Origin: | 113303 |
