Wuhan Huayi Electric Power Technology Co., Ltd. products

The ZGS-DC Hipot Generator Tester by HUAYI is engineered to execute high-voltage testing with precision. Utilizing a high-frequency voltage doubling circuit combined with the latest PWM technology and closed-loop feedback systems, this tester ensures stable voltage levels and minimal ripple. It incorporates advanced IGBT devices to eliminate switching interference, and employs shielding, isolation, and grounding measures to enhance safety and reliability. Imported high-frequency diodes contribute to a compact design, optimizing efficiency. Its comprehensive protection functions include zero, over-voltage, overcurrent, and breakdown protection, utilizing nanosecond special sensors for swift action. Designed with a high-precision 0.75U1mA function, it is particularly well-suited for zinc oxide arrester tests. The unit supports intermittent operation under rated load and has an overload capacity of 10% greater than the rated voltage for 10 minutes, accepting AC220V ±10% 50HZ power input.

The HY331 3 Phase Protection Relay Tester is designed for evaluating and testing the functionality of both traditional and microcomputer relays, specifically focusing on transformer differential protection and transfer equipment. It aligns with the DL/T624-2010 standard, adopting advanced microelectronics technology to deliver precise and stable measurements. The tester features a user-friendly Windows 7 operating interface, an 8.4-inch true color display, and high-performance embedded control. It provides accurate AC/DC current and voltage outputs, with precision enhanced by a unique self-calibrating software, which negates the need for manual adjustment. Its robust power amplifier ensures reliability for both small and significant currents, while safety and convenience are improved with its heat dissipation design and USB interfaces. Notably, the instrument accommodates laptop integration and supports direct communication without conversion cables, enhancing operational efficiency.

The HYJF-H Portable Handheld Partial Discharge Detector is a sophisticated tool engineered for detecting partial discharge in high-voltage electrical systems. Ideal for use with equipment such as high voltage switchgear, transformers, GIS, and overhead lines, this detector measures discharge intensity and frequency through various state-of-the-art sensors. It features TEV, AE, UHF, and HFCT measurement capabilities, providing resolution and precision of 1dB across a wide frequency range—making it suitable for diverse electrical environments. Integrated with a 4.0-inch RGB LCD screen, users can easily access discharge patterns, making it a reliable choice for maintenance and troubleshooting in complex setups. The unit is internally synchronized and offers the advantage of non-intrusive testing, eliminating the need for power-offs during assessment. Its robust design includes a durable ABS shell and a long-lasting lithium battery, ensuring functionality in various operational conditions without external power constraints.

The TAG-8700 Wireless High Voltage Phase Sequence Meter by HUAYI is engineered to accurately determine the phase sequence of three-phase lines and core phase in two-line grid connections or ring networks. Suitable for AC transmission lines ranging from 5V to 220kV, it utilizes advanced digital wireless transmission technology to ensure safe, reliable, and intuitive operation. The device notably features a 3.2-inch color screen, displaying phase differences, vector diagrams, and in-phase results, with a line-of-sight transmission range of approximately 100 meters. The TAG-8700 is equipped with built-in rechargeable lithium batteries for both the transmitter and receiver, a 10440 lithium battery in the transmitter, and an 18650 lithium battery in the receiver, facilitating extended use and easy maintenance. Additional features include a hand-held receiver that displays crucial operational parameters and an automatic shutdown function following one hour of inactivity, optimizing battery life. This specialized meter is an essential tool for effective phase analysis and monitoring in high voltage applications.