This device adopts modular design with a built-in high-precision signal generation module, which can stably output standard AC/DC voltage and current signals to support verification scenarios of multiple relay protection devices, solving the pain points of traditional testing equipment such as large volume and complex operation. It is equipped with a 7-inch touch screen, enabling parameter setting and data viewing without carrying additional computers. The built-in 32GB storage capacity can store tens of thousands of sets of test data, supporting fast upload of test data to the background management system via USB and RS232 interfaces. It also has over-current and over-voltage protection functions to ensure the safety and reliability of the testing process, and is equipped with Chinese and English bilingual operation interfaces to adapt to different regional use needs.
Detailed technical parameters: single-phase test phase number, output AC current range 0~30A, output DC current range 0~20A; output AC voltage range 0~120V, output DC voltage range 0~100V; accuracy grade reaches Class 0.5, supporting 0~20 times harmonic output; the device dimensions are 320*240*150mm, net weight 3.5kg, supports AC 220V external power supply or 12V DC backup power supply, equipped with USB and RS232 communication interfaces, supports data export in Windows system format, and has built-in standardized test flow modules for conventional protection devices.
It is suitable for daily verification and fault troubleshooting of relay protection devices in small substations, 10kV distribution stations and factory self-provided power stations. It can test conventional protection devices such as over-current protection, over-voltage protection and differential protection, and is suitable for front-line power operation and maintenance personnel, electrical maintenance teams for on-site use, and can also be used as training and teaching equipment for power colleges and universities.
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