Current Transformers are vital components in electrical power systems, enabling precise energy measurement, current monitoring, and protection. The 20KV Current Transformer guide (LZZB9-24-180B-4) is a high-quality, fully enclosed current transformer designed for indoor use in power systems with a rated voltage of 20kV and a frequency of 50Hz or 60Hz. This guide provides an in-depth look at its features, technical specifications, and installation requirements, making it a valuable resource for professionals in energy management and grid protection.
The LZZB9-24-180B-4 Current Transformer is engineered for:
- Energy Measurement: Accurately tracking electricity usage.
- Current Monitoring: Providing real-time data for system management.
- Protection: Detecting overcurrent conditions to safeguard equipment.
Its fully enclosed design, cast in epoxy resin, offers exceptional insulation and moisture resistance, ensuring reliable performance in indoor environments. With a compact size, lightweight construction, and easy-to-maintain surface, this current transformer is a practical solution for medium-voltage applications.
This Current Transformer boasts several standout features:
- Epoxy Resin Casting: Fully enclosed structure enhances insulation and protects against moisture and dust.
- Compact and Lightweight: Simplifies installation in tight spaces without compromising performance.
- Moisture-Proof Design: Ensures durability in humid indoor conditions.
- Terminal Box: Secondary outlets are housed in a secure terminal box for safe and reliable wiring.
- Easy Installation: Equipped with grounding bolts and six mounting holes for secure setup.
These features make the LZZB9-24-180B-4 an excellent choice for professionals seeking dependable Current Transformers.
Technical Specifications of the LZZB9-24-180B-4
The LZZB9-24-180B-4 Current Transformer is available in various configurations to meet diverse application needs. Below are its detailed technical specifications:
| Parameter | Value |
|---|
| Rated Primary Current (A) | 20, 30, 40, 50, 75, 100, 150, 200, 300, 400, 500, 600, 800, 1000, 1200, 1250 |
| Rated Secondary Current | 5A or 1A |
| Accuracy Class | 0.2/0.2/0.2, 0.2/0.5/0.5, 0.2/10P10/10P10, 0.5/10P10/10P10, 0.2/10P15/10P15, 0.5/10P15/10P15 |
| Burden (VA) | 10/10/10, 10/10/10, 10/15/15, 10/15/15, 10/10/15, 10/10/15 |
| Short-Time Thermal Current (kA/s) | 3, 4.5, 6, 7.5, 11.25, 15, 22.5, 31.5, 45, 63, 80 |
| Dynamically Stable Current (kA/s) | 7.5, 11.25, 15, 18.75, 28.125, 37.5, 56.25, 80, 112.5, 130, 160 |
| Rated Insulation Level (kV) | 12/42/75 |
These specifications demonstrate the transformer’s versatility, supporting a wide range of current ratings and accuracy levels for both measurement and protection tasks.
Proper installation is essential for optimal performance. Follow these guidelines for the LZZB9-24-180B-4:
- Location: Install indoors in a dry, well-ventilated space.
- Ambient Temperature:
- Maximum: 40℃
- Minimum: -5℃
- Daily Average: ≤30℃
- Atmospheric Conditions: Avoid areas with heavy pollution, dust, or corrosive gases.
- Mounting: Secure the transformer using the six mounting holes on the bottom plate. Use the grounding bolts to ensure a safe electrical connection.
Its compact design makes it easy to integrate into existing systems, enhancing its appeal as a top-tier Current Transformer.
The LZZB9-24-180B-4 offers compelling advantages:
- Precision: Multiple accuracy classes cater to energy measurement and protection needs.
- Durability: Epoxy resin casting ensures long-lasting performance in tough conditions.
- Safety: Terminal box and grounding features minimize electrical risks.
- Low Maintenance: Smooth surface and enclosed design reduce upkeep efforts.
These benefits position it as a leading solution among Current Transformers for medium-voltage applications.
Current Transformers are indispensable in power systems, and the LZZB9-24-180B-4 excels in:
- Energy Measurement: Ensures accurate billing and usage tracking.
- Current Monitoring: Supports grid stability and load management.
- Protection: Triggers relays to prevent equipment damage during faults.
These applications underscore its importance in maintaining efficient and secure power distribution.
The 20KV Current transformer (LZZB9-24-180B-4) is a top-performing solution for energy measurement, current monitoring, and protection in 20kV power systems. Its robust design, versatile configurations, and ease of installation make it a go-to choice for professionals in the energy sector.
Looking for reliable Current Transformers? Contact us today to explore how the LZZB9-24-180B-4 can meet your needs!
