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This EI28 sensor high current transformer, specially designed for new energy, is made of silicon steel sheet material and plays a key role in the field of new energy. Its silicon steel sheet has high magnetic permeability, which can efficiently concentrate and conduct magnetic fields, improving sensor sensitivity; Low hysteresis and eddy current loss characteristics reduce energy waste, lower heat generation, and ensure stable and reliable operation in a wide temperature range and complex working conditions. In the new energy power system, accurate measurement of high AC and DC currents can assist in power distribution management; Used for equipment overload protection, real-time monitoring of current, prevention of short circuits and other faults, ensuring circuit safety; Realize high-precision electricity measurement and provide a basis for energy accounting; In the motor drive system, real-time control of current ensures stable and efficient operation of new energy motors; It can also monitor issues such as harmonic imbalance in the power system to ensure power quality. From raw material preparation, to iron core stamping, winding, insulation treatment, structural component fixation, to strict testing, every link is carefully controlled to lay a solid foundation for the stable development of the new energy industry.
1. High magnetic permeability and low loss: Using silicon steel sheets as the core material, it has high magnetic permeability characteristics, can efficiently concentrate and conduct magnetic fields, and improve the signal response sensitivity of the sensor; At the same time, the advantages of low hysteresis loss and low eddy current loss effectively reduce energy waste, lower heating problems during operation, and improve the overall efficiency of transformers.
2. High current carrying capacity: Designed specifically for high
current scenarios in new energy, it can stably carry currents of
10-50A or even higher, meeting the high-power requirements of
devices such as photovoltaic power stations, energy storage
systems, and electric vehicle charging piles, ensuring stable power
transmission.
3. Accurate measurement and reliable protection: capable of
accurately measuring AC or DC high currents in new energy systems,
providing real-time data support for power distribution and
equipment control; Real time monitoring of abnormal current, rapid
triggering of overload and short circuit protection mechanisms,
ensuring safe operation of circuits and equipment.
4. Strong environmental adaptability: With excellent environmental
adaptability, it can work stably in a wide temperature range of -25
℃ to+85 ℃ and complex electromagnetic environments, adapting to
diverse application scenarios such as outdoor and vehicle mounted
new energy equipment.
5. Customization and compatibility: Support customization of
parameters such as transformation ratio, winding turns, protection
level, etc., to meet the circuit design requirements of different
new energy equipment; Highly compatible with mainstream new energy
systems such as photovoltaic inverters and battery management
systems, and easy to install.
6. Long lifespan and high cost-effectiveness: The excellent
physical properties of silicon steel sheets and the optimized
structural design of transformers extend the product's service life
and reduce maintenance costs; While ensuring high performance, it
also has good economic efficiency, reducing the overall cost of new
energy projects.
Performance Characteristic | Description |
Core Material | High-grade silicon steel sheet (low iron loss, high permeability) |
Model/Size | EI28 standard core, optimized for large current sensing |
Operating Frequency | 50Hz/60Hz (suitable for new energy applications like solar/wind power systems) |
Current Measurement Range | High current capacity, designed for precise large current transformation |
Accuracy | High precision (e.g., Class 0.5 or better for minimal phase/ratio error) |
Low Power Loss | Reduced hysteresis & eddy current loss for energy efficiency |
Temperature Stability | Stable performance across a wide temperature range (-40°C to +120°C) |
Insulation & Safety | Complies with IEC/UL standards, excellent isolation for high-voltage safety |
Mechanical Robustness | Durable construction resistant to vibrations and mechanical stress |
Applications | New energy inverters, EV charging, smart grids, power monitoring systems |