The cylindrical 10KV zero-sequence transformer is designed for high-precision fault detection, optimized current measurement, and reliable voltage monitoring. It ensures superior insulation, extended lifespan, and enhanced electrical stability for industrial power grids and protection systems.
Product Overview
The Cylindrical 10KV Zero-Sequence Transformer adopts the capacitive voltage divider principle, combined with a temperature-stable ceramic dielectric GC. This transformer is mainly used in 12KV power systems such as pole-mounted switches, ring main units, and other equipment. It effectively realizes zero-sequence voltage measurement and protection.
Features
- Capacitive Voltage Divider Principle: High-voltage ceramic capacitors are embedded within the transformer, operating via the capacitive voltage divider principle to ensure precise measurement and protection functionality.
- High Stability Materials: Uses temperature-stable ceramic dielectric GC, providing excellent temperature adaptability to ensure stable operation in various environments.
- High Reliability: The connection between high-voltage and low-voltage capacitors ensures efficient zero-sequence voltage measurement, with strong anti-interference capabilities.
- Compact Design: The transformer features a compact design, making it suitable for use in power equipment with limited space, simplifying installation and maintenance.
- High Voltage Endurance: Designed for 10KV systems, it can withstand high-voltage conditions and operate stably in such environments.
Applications
- Power System Protection: Used in 12KV pole-mounted switches, ring main units, and other power equipment for zero-sequence voltage protection.
- Power Metering and Protection: Widely applied in power equipment, providing precise zero-sequence voltage measurement and protection to ensure the safe operation of power systems.
- Substations and Distribution Equipment: Used in substations and distribution systems for voltage monitoring and protection, ensuring the safety of equipment operation.
- High-Voltage Power Equipment: Ideal for various high-voltage power equipment, serving as a key component for zero-sequence voltage protection and measurement.
Item | Value |
Zero-sequence Voltage Rated Transformation Ratio | (10/√3) KV / (6.5/3) V |
Accuracy Class | 3P |
Operating Temperature Range | -40℃ ~ +70℃ |
Rated Frequency | 50 Hz |
Rated Load | 5.1 MΩ |
System Rated Voltage | 10 KV / 12 KV |
Partial Discharge | ≤ 10 PC |
Withstand Voltage | 42 KV AC, hold for 2 minutes |
Lightning Impulse Voltage | 75 KV / 85 KV |