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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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Solar ultrasonic bird repellent
Solar ultrasonic bird repellent
With the growth of globaI energy consumption, increasing emphasis must be placed on power supply reliability. With the strengthening of environmental protection, the number of various birds is increasing rapidly every year: birds coexist with humans who must also take up the responsibility of protecting birds. However, bird nests can affect power lines, therefore increasing economic losses and safety risks in the power industry. The problem of bird nesting in the power grid is a safety hazard and presents a very concerning issue. To address this challenge our company designs a specialized ultrasonic bird repelller for power distribution lines. It uses an CT energy harvesting + solar power supply system, intelligent energy storage control module and highly accurate bird recognition algorithm to intelligently identify and repel birds.
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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.
Bird Repeller Scarer with Solar Power for High Voltage Distribution Power Grid
With the growth of globaI energy consumption, increasing emphasis must be placed on power supply reliability. With the strengthening of environmental protection, the number of various birds is increasing rapidly every year: birds coexist with humans who must also take up the responsibility of protecting birds. However, bird nests can affect power lines, therefore increasing economic losses and safety risks in the power industry. The problem of bird nesting in the power grid is a safety hazard and presents a very concerning issue. To address this challenge our company designs a specialized ultrasonic bird repelller for power distribution lines. It uses an CT energy harvesting + solar power supply system, intelligent energy storage control module and highly accurate bird recognition algorithm to intelligently identify and repel birds.
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Factory Eco-Friendly Ultrasonic Bird Chaser Bird Control Solar Animal Pest Control Repeller
With the growth of globaI energy consumption, increasing emphasis must be placed on power supply reliability. With the strengthening of environmental protection, the number of various birds is increasing rapidly every year: birds coexist with humans who must also take up the responsibility of protecting birds. However, bird nests can affect power lines, therefore increasing economic losses and safety risks in the power industry. The problem of bird nesting in the power grid is a safety hazard and presents a very concerning issue. To address this challenge our company designs a specialized ultrasonic bird repelller for power distribution lines. It uses an CT energy harvesting + solar power supply system, intelligent energy storage control module and highly accurate bird recognition algorithm to intelligently identify and repel birds.
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Ultrasonic Solar Bird Repeller Rechargeable Solar-Powered Bird Repeller for Power Lines Protection
With the growth of globaI energy consumption, increasing emphasis must be placed on power supply reliability. With the strengthening of environmental protection, the number of various birds is increasing rapidly every year: birds coexist with humans who must also take up the responsibility of protecting birds. However, bird nests can affect power lines, therefore increasing economic losses and safety risks in the power industry. The problem of bird nesting in the power grid is a safety hazard and presents a very concerning issue. To address this challenge our company designs a specialized ultrasonic bird repelller for power distribution lines. It uses an CT energy harvesting + solar power supply system, intelligent energy storage control module and highly accurate bird recognition algorithm to intelligently identify and repel birds.
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Good Price High Permeability Current Transformer Quick Installion Split Core Current Transformer 60mm
The split core current transformer are designed for fast and easy installation.The CTs are ideal for installation on existing electrical cables by clamping on the conductor.This method permits a safer,easy and portable current measurement.An internal precision burden resistor across the secondary winding of the CT provides a safe low voltage output and permits safe opening of the secondary.
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600A Customised Toroidal Split CT Split Core Current Transformer 26mm
Split-core current transformers are designed for quick and easy installation.The CT's have an internal precision load resistor on the secondary winding that provides a safe, low voltage output and allows the secondary winding to be safely opened.
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Switchgear Accurate Temperature Sensors Smart Electrical Sensors Wireless Temperature Sensors
Wireless temperature sensor has been developed in compliance with Specification for Wireless Temperature Measuring equipment,  It is suitable for 3-35kV indoor switchgears, including built-in switchgears, handcart switchgears, fixed switchgears and loop-net switchgears. It is also suitable for 0.4kV low-voltage switchgears such as fixed switchgears and drawer switchgears.
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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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