Miniature Micro Current Transformer for Power Meter

Rated input current lin: 0-60A

Rated output current lo: 0-20mA

Maximum overload current: 8xlin

Load impedance:≤ 20Ω

Insulation resistance:>500MΩ

Insulation voltage: >3KV

Micro Current Transformer for Power Meter

A Micro Current Transformer for Power Meter is a specialized device designed to measure alternating current (AC) with high precision while reducing the measured current to a safe, manageable level for meters and protective systems. As a type of miniature current transformer, it is compact, accurate, and widely used in modern metering applications.

Working Principle

The working principle of a micro current transformer is based on electromagnetic induction. The conductor carrying the current acts as the primary winding. When AC flows through it, a magnetic field is created in the magnetic core of the transformer. The secondary winding, wound on the core, picks up this alternating magnetic flux and generates a proportional current at a reduced level. This scaled-down output can then be safely connected to energy meters, monitoring equipment, or protective relays.

Thanks to its compact design, a small current transformer used in power meters ensures both accuracy and efficiency. It provides a linear response across a wide current range, making it suitable for low-voltage measurement and energy monitoring systems.

Application Scenarios

1. Energy Metering
   In residential, commercial, and industrial buildings, a micro current transformer is essential for accurate billing and consumption tracking. It allows smart meters to measure current safely and precisely.

2. Industrial Equipment Monitoring
   Factories and plants use miniature current transformers in power meters to monitor motor loads, prevent overloads, and optimize energy use.

3. Smart Grids and IoT
   A current transformer integrated into advanced metering infrastructure enables real-time current monitoring, remote data collection, and predictive maintenance in smart grid systems.

4. Renewable Energy Systems
   Solar and wind installations rely on small current transformers in power meters to measure generated current, balance energy flow, and ensure safe integration with the main grid.

Conclusion

The Micro Current Transformer for Power Meter is a compact, efficient, and reliable measurement tool. Whether applied in smart homes, commercial complexes, industrial facilities, or renewable energy projects, it ensures accurate monitoring and safe operation. By combining the advantages of a miniature current transformer, micro current transformer, and small current transformer, it plays a vital role in modern energy management and sustainable power systems.