HEYI Electric helps Thailand’s power development Thailand’s Ministry of Energy, EGAT and MEA confirm co-hosting of Enlit Asia 2025   Bangkok, September 2025 – Enlit Asia 2025 will be held at BITEC in Bangkok, Thailand from September 7 to 9. The Ministry of Energy of Thailand has confirmed that it will be the energy organizer […]

2025 Russian Electronics and Electrical Exhibition ——HEYI works with you towards the goal of sustainable development From April 1st to April 4th, 2025, Wenzhou HEYI Electric will meet you in Moscow.   Wenzhou HEYI Electric was established in 2012, specializing in the research, design, manufacture and sale of current transformers, various clamp-on current transformers, miniature current […]

HYCA residual current sensor – a correct residual current sensor   The development of new energy vehicles and the significance of charging pile construction As the representative of green transportation, new energy vehicles have many advantages of energy saving and environmental protection compared with traditional fuel vehicles. And the cost of economy and environmental protection […]

Magnetostrictive displacement sensor current two-wire three-wire four-wire introduction In magnetostrictive displacement sensors, current output methods usually have two-wire, three-wire, and four-wire configurations. These configurations differ in electrical wiring and signal transmission methods. Depending on the application requirements and installation environment, choosing the right configuration can improve the performance and stability of the system. The following […]

Why choose Type B sensor for leakage protection of European standard AC charging pile   1.Residual current is more complicated and prevention is more urgent Residual current monitoring and its popularization can be traced back to around 1990. The earliest was Type AC, and now Type B residual current monitoring has been gradually adopted in […]

Design and application of two-wire transducer circuit   In the article “Design and Application of Two-Wire Transducer Circuit”, analyzes in detail the key points, difficulties and technical points of two-wire transducer circuit design. In this article, she shows readers a practical circuit of a two-wire transducer with simple circuit, low power consumption and strong anti-interference […]

Understand the wiring methods and applications of various current transformers and other products   The concept of “wire system” comes from the number of wires used for instrument power supply and standard signal transmission. With the popularization of electronic amplifiers in instruments, the essence of amplification – energy conversion process, has prompted the need for […]

Signal conditioning solution for 4-20mA current transmitter and its application in industrial control     Working principle of 4~20ma current transducer In industrial sites, using an instrument amplifier to complete signal conditioning and long-distance transmission will cause the following problems: First, since the transmitted signal is a voltage signal, the transmission line will be interfered […]

Current transducer Categories Two-wire, three-wire and four-wire, these terms do not only refer to the wiring method of the transducer, but also describe the differences in the principles and structures of the transmitter that outputs analog DC current signals. Next, we will explore their definitions and characteristics one by one. Two-wire transducer  This type of […]

Advantages of IoT energy meters over traditional meters in modern power distribution systems   summary With the popularization of intelligent technology, the Internet of Things (IoT) has gradually been applied to enterprise energy management to improve the efficiency and accuracy of energy consumption monitoring. This article takes the HY300 meter as an example to explore […]

IoT technology helps improve the efficiency of current transformers With the continuous development and popularization of IoT technology, more and more industries are beginning to explore how to use IoT technology to improve production efficiency and management efficiency. In the power industry, transformers are very important equipment, and their efficiency directly affects the stable operation […]

HYCA – Residual current sensor specially designed by HEYI Electric for DC AC charging piles         Introduce HYCA is a Leakage Protection Residual Current sensor specifically developed for EV-charging providing all-current sensitivity. Charging of electric vehicles at a standard wall socket or a wall box requires protection devices against DC fault currents to avoid avoid electric shock. Installed type A residual current circuit-breakers (RCCBs) are unable to identify and deactivate DC fault currents.     Advantages Small volume and footprint […]