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Professional research and development of electromagnetic signal coupling Magnetoelectric power conversion technology. You can choose or customise the product.
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Sensors
Sensors
We offer different types of sensors for voltage, current, temperature, etc. and can be customized, so please contact us if you have a need.
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Current Transformer
Current Transformer
Current transformer:  Wire diameter: 26mm~160mm(Customizable) , Accuracy:≤ 0.5,IP68 CT energy harvesting device: a power harvesting system based on current transformers Primary current: 5A~200A(Customizable) ,Output Power: 0.4W~80W(Customizable)     
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Current Transformer Core
Current Transformer Core
Materials:  Permalloy, silicon steel, nanocrystalline, amorphous, etc. Shape: Strips, plates, bars, rings and customizable shapes. Applied to current transformers, transformers, sensors, power CT, etc.
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Current Transformer Coil
Current Transformer Coil
Permalloy, silicon steel, nanocrystalline unoriginated power supply core coils can be customized for various ratios, high frequency, and precision requirements.
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Switch Mode Power Supply
Switch Mode Power Supply
Designed for CT power products, the micro-power, low-power voltage stabilized power supply is widely used in high-voltage transmission and transformation line monitoring and control devices, wireless temperature measurement devices, special industrial equipment transmission and transformation circuit monitoring devices.
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PLC coupling transformer
PLC coupling transformer
Power Line Broadband Carrier Signal Coupling and Isolation Technology Solution Partner
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Electromagnetic shielding cover
Electromagnetic shielding cover
Electrostatic field shielding and alternating electric field shielding, static magnetic field shielding and alternating magnetic field shielding, radiation electromagnetic field shielding where both electric and magnetic fields exist.
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Choke Coil Inductor
Choke Coil Inductor
Choke coil inductor, mainly controls the magnitude and phase of the current in an AC circuit. It isolates high-frequency currents, generates inertial potentials, and restricts the passage of current, thus realizing the control of current in the circuit.
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14

Years of experience

Focus on technology research and Application

Hemei Electronics is a domestic designer and manufacturer specializing in the production of electromagnetic signal coupling and magnetoelectric power conversion technologies.  Our R&D team has 14 years of industry experience,Permalloy and electromagnetic core products have the largest market share in the power distribution industry of the State Grid.  
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Hot Products

Hemei electronics is committed to research and development of electromagnetic signal coupling, magneto-electric conversion technology. Sample size is regular size, external dimensions can be customised.
UL CE 5A Split Core CT Harvesting Energy Current Transformer
Products can be customised Designed with advanced technology and engineering expertise, our harvesting energy CT products ensure accurate monitoring and extraction of current.
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Custimised Current Transformer Ratios 5A Coil Winding Transformer Current Transformer Coils
Products can be customised Open-close installation current transformer suitable for power collection and power detection.
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Effective Shielding Emi Electromagnetic Shielding Materials Electromagnetic Shielding Cover
Electromagnetic shielding is the principle of metal isolation to control electromagnetic interference, from one area to another area of induction and radiation propagation method.
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1J85 Irregularly Shaped Permalloy Cores Silicon Cut Core Permalloy Alloy Punched Sheets
Products can be customised Laminated thermal alloy core with stamping process, can be adapted to a variety of transformer harvesting energy needs, sample size is the conventional size, the external dimensions can be arbitrarily customized.
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DC AC Switch Mode Power Supply ct Power Supply Companies Power Supply for CT
D.C. to D.C. converters and D.C. to A.C. Converters belong to the category of Switched Mode Power Supplies (SMPS). The various types of voltage regulators, used in Linear Power Supplies (LPS), fall in the category of dissipative regulator, as they have a voltage control element usually transistor or zener diode which dissipates power equal to the voltage difference between an unregulated input voltage and a fixed supply voltage multiplied by the current flowing through it. The switching regulator acts as a continuously variable power converter and hence its efficiency is negligibly affected by the voltage difference. Hence the switching regulator is also known as ‘non-dissipative regulator’.  
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Non-Oriented Electrical Steel Power Extraction Silicon Steel Core Current Transformer Core
The company specialises in the production of soft magnetic materials such as silicon steel sheet, pomo alloy, amorphous, ultra-microcrystalline, etc. Transformer cores, coiled cores The types of cores include toroidal cores, R-type cores, O-type cores, C-type cores, super-silicon steel cores, electric power coiled cores and shaped cores.
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Exhibitions, partners, technological innovations, principles of science and technology are all available. Welcome to know more about our company's culture and make us a better partner.
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