60A DC-Immune Current Transformer for Three-Phase Watt-Hour Meters
60A DC-Immune Current Transformer for Three-Phase Watt-Hour Meters
Introduction
The 60A DC-immune current transformer (CT) is a compact, high-performance solution designed specifically for three-phase watt-hour (Wh) meters. With its single-core design, small footprint, and robust insulation, this CT is optimized for easy installation inside meter casings, making it ideal for smart meters, energy monitoring systems, and industrial power measurement applications.
This article explores its key features, technical advantages, and applications in modern electrical metering.
1. Key Features
✔ 60A Rating with DC Immunity
Primary current range: 60A (optimized for three-phase Wh meters).
DC immunity: Resists interference from DC components in the current signal, ensuring accurate measurement in mixed AC/DC environments.
✔ Single-Core, Compact Design
Smaller size allows for easy installation inside meter enclosures.
Minimal space requirement makes it ideal for space-constrained applications.
✔ Easy Installation Inside Meter
Mounted on the bottom case of the meter for secure and space-saving fixation.
Simplified assembly reduces production time and labor costs.
✔ Strong Insulation (＞4kV/1min)
High dielectric strength between primary and secondary windings (＞4kV for 1 minute).
Ensures safety and reliability in high-voltage metering applications.
✔ Customizable Casing Color
Attractive appearance with optional casing colors to match meter designs.
✔ Simple Connection to Latching Relay & Primary Cables
Easy wiring to primary cables or bus bars of latching relays.
Plug-and-play compatibility with standard metering setups.
2. Technical Advantages
✅ High Measurement Accuracy
Designed for precision current sensing in three-phase energy meters.
Ensures accurate kWh calculations even in noisy or mixed-signal environments.
✅ Enhanced Safety & Reliability
＞4kV insulation protects against electrical arcing and short circuits.
DC immunity prevents false readings from DC offset or harmonic distortion.
✅ Cost & Time Savings
Simplified assembly reduces production and installation costs.
Compact design minimizes material and shipping expenses.
3. Applications
🔌 Three-Phase Watt-Hour (Wh) Meters
Ideal for smart meters, industrial energy monitors, and commercial billing systems.
⚡ Industrial & Commercial Power Monitoring
Used in factories, data centers, and renewable energy systems for accurate power measurement.
🔧 Smart Metering & IoT Energy Systems
Compatible with smart grid applications, automated meter reading (AMR), and energy management systems (EMS).
🚀 Renewable Energy & EV Charging Stations
Suitable for solar inverters, wind turbines, and electric vehicle (EV) charging infrastructure.
4. Why Choose This 60A DC-Immune CT?
Feature | Benefit |
|---|---|
60A Rating | Optimized for three-phase Wh meters |
DC Immunity | Accurate readings in mixed AC/DC environments |
Compact Size | Easy installation inside meter cases |
＞4kV Insulation | High safety in high-voltage applications |
Customizable Color | Matching meter aesthetics |
Simple Wiring | Quick connection to latching relays & cables |
5. Conclusion
The 60A DC-immune current transformer is a highly efficient, compact, and reliable solution for three-phase energy metering. Its strong insulation, easy installation, and DC immunity make it ideal for smart meters, industrial power monitoring, and renewable energy applications.
With simplified assembly, customizable design, and cost-saving benefits, this CT is a must-have component for meter manufacturers, utility companies, and energy system integrators.
📌 Ideal for:
✔ Smart Meters ✔ Industrial Energy Monitoring ✔ Renewable Energy Systems ✔ EV Charging Stations ✔ Smart Grids
🔧 Get yours today for precise, safe, and efficient power measurement!
