Proficient in current transformer production for 20 years.
Yueqing Heyi Electric Co., Ltd. was established in 2012. It is a young and flexible manufacturer of current transformers and current sensors. The chief engineer, sales director, and production manager are all members of our family. HEYI is a small family company. Years of hard work to become the OEM and ODM supplier of Siemens, Schneider, Fuji Electric, Softbank, LG, Samsung and other companies.
Thanks to a strong R&D and design team and production team, today Heyi has certificates and certificates from many countries. Test report, our transformer products are exported to the United States, Canada, United Kingdom, France, Germany, Italy, Spain, Portugal, Brazil and other countries, and we have signed purchase agreements with power bureaus in Europe, South America and Southeast Asia. In addition, HEYI is in There are local cooperative factories in Egypt and Indonesia.
The company now has two brands of ASCT and HEYI, more than 6 product patents, more than 100 current transformer models, giving customers more choices, and will develop new currents every year. Transformers are adapted to the needs of future smart grids. Power product purchasers from various countries are welcome to establish long-term cooperation with Heyi. We can customize and design according to customer needs, and provide door-to-door services to solve customer problems after sales.
1.We are family business. The chief engineer, sales director, nd production manager are our family members, so we can make quick decisions.
2.Super R&D strength, leading the technology of split current transformer and customized transformer.We will update and iterate the latest products according to market demand every year, and the whole industry is following HEYI.
3.We cooperated with Fortune Global 500 companies, Siemens, schneider, Fuji electrical, Softbank, LG, samsung transformer supplier in China.
4.Win-win for customers, help customers gain local market share, help customers set up local factories, and provide technical training for customers in various countries.
Sep 07, 2024
An in-depth study of the world of Type B residual current devices (RCDS) Understand RCD concepts The residual current device, commonly referred to as rcd, is the basic safety mechanism in the circuit. When the current of the live conductor at a point in the phase exceeds a predetermined value, they provide protection by… Continue reading Type B residual current devices (RCDS)
Sep 04, 2024
influencing factors of electromagnetic leakage protection characteristics 1 Influence of compensation circuit parameters on leakage protection characteristics Leakage protection features include leakage action value IDd and leakage action time td. The action value IDd should be less than the rated leakage action current IDn and greater than the rated leakage action current IDno, generally IDno=… Continue reading influencing factors of electromagnetic leakage protection characteristics
Sep 04, 2024
Electromagnetic leakage protection working principle The electromagnetic leakage protector is generally composed of five parts: residual current transformer, leakage detection circuit (signal conditioning circuit and trip drive circuit), magnetic release device, test button and circuit breaker action mechanism, as shown in Figure 1. Fig.1 Schematic diagram of electromagnetic leakage circuit breaker When the… Continue reading Electromagnetic leakage protection working principle
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