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The LZZBJ4-35 High Voltage Current guide Transformer is a fully enclosed, epoxy resin-cast transformer designed for outdoor use in power systems with a rated frequency of 50Hz or 60Hz and a rated voltage of 35kV and below. This dry-type, pillar-style transformer is engineered for energy metering, current measurement, and relay protection, delivering reliable performance in a variety of electrical applications.
Key Features of LZZBJ4-35 Current Transformers
- Fully Enclosed Epoxy Resin Design: Crafted with high-quality epoxy resin, this transformer offers superior insulation and protection against moisture, pollution, and environmental wear.
- High-Quality Core Construction: The core is made from crystallitic alloy or premium silicon steel sheets, wound into an annular shape for precise current transformation and low energy loss.
- Optimized Winding Structure: Secondary leads are evenly wound around the core, while primary conductors are insulated with belts to prevent short circuits, enhancing safety and reliability.
- Convenient Installation: The base includes earth bolts and mounting holes, making it easy to install securely in outdoor environments.
- Standards Compliance: Meets the requirements of IEC 18521 and GB12085-2006 “Current Transformer” standards, ensuring quality and compatibility worldwide.
Technical Specifications
The LZZBJ4-35 is available in various configurations to meet diverse current ratings and application needs. Below is a detailed table of its technical parameters:
| Parameter | Specification |
|---|---|
| Model | LZZBJ4-35 |
| Rated Frequency | 50Hz or 60Hz |
| Rated Voltage | 35kV and below |
| Primary Current Range | 200-500A to 1600A |
| Secondary Current | 5A or 1A (customizable) |
| Accuracy Class | 0.2, 0.5, 5P, 10P (based on application needs) |
| Burden | 10VA to 30VA (customizable) |
| Insulation Type | Epoxy resin cast, fully enclosed |
| Core Material | Crystallitic alloy or silicon steel sheets |
| Installation Type | Outdoor, pillar type |
| Ambient Temperature Range | -10°C to +40°C |
| Relative Humidity | Daily average ≤95%, Monthly average ≤90% |
| Earthquake Intensity | ≤8 degrees |
| Saturated Vapor Pressure | Daily average ≤2.2kPa, Monthly average ≤1.8kPa |
| Altitude | ≤1000m (special requirements available) |
| Standards Compliance | IEC 18521, GB12085-2006 |
Applications of LZZBJ4-35 Current Transformers
The LZZBJ4-35 is a versatile transformer suitable for outdoor installations in 35kV power systems. Its primary applications include:
- Energy Metering: Accurately measures electrical energy usage, making it ideal for utility companies and industrial settings.
- Current Measurement: Monitors current flow with high precision, ensuring optimal system performance and stability.
- Relay Protection: Detects faults and triggers protective relays to safeguard electrical equipment from damage.
This transformer performs best in environments with moderate pollution levels, thanks to its epoxy resin insulation, which resists moisture and chemical erosion. It is not recommended for use in areas with fire hazards, explosive materials, or extreme filth.
Why Choose the LZZBJ4-35 High Voltage Current Transformer?
- Robust and Long-Lasting: The epoxy resin casting ensures durability and protection against harsh outdoor conditions.
- Precision Performance: Offers customizable accuracy classes and burden ratings to meet specific metering and protection needs.
- User-Friendly Design: The pillar-type structure and mounting features simplify installation and maintenance.
- Enhanced Safety: Includes earth bolts and insulated conductors to minimize the risk of short circuits and ensure safe operation.
- Global Compatibility: Adheres to international standards, making it suitable for diverse power systems worldwide.
Installation and Environmental Guidelines
For optimal performance and longevity, install the LZZBJ4-35 under the following conditions:
- Temperature Range: Operates reliably between -10°C and +40°C.
- Humidity Levels: Daily average humidity should not exceed 95%, with a monthly average below 90%.
- Altitude Limit: Designed for altitudes up to 1000m (custom options available for higher elevations).
- Seismic Resistance: Suitable for areas with earthquake intensity up to 8 degrees, avoiding sites with violent vibrations.
- Pollution Control: Best installed in moderately polluted environments, away from severe filth, chemical erosion, or fire risks.
The LZZBJ4-35 High Voltage Current Transformer is a top-tier solution for outdoor applications in 35kV power systems. With its fully enclosed epoxy resin design, high-precision core, and adherence to international standards, it excels in energy metering, current measurement, and relay protection. Whether you need a reliable transformer for utility networks or industrial setups, the LZZBJ4-35 offers customizable options and dependable performance.
For more details or to explore how the LZZBJ4-35 can meet your needs, contact us today!
