The device adopts integrated design, with built-in relay protection testing module and secondary circuit detection module, which can simultaneously complete relay protection device verification, secondary circuit conduction test and insulation resistance test. It is equipped with a 17-inch high-definition touch screen, supporting remote control function, enabling multi-person collaborative operation via local area network. It has a built-in 256GB large storage capacity to store massive test data, supports multiple international standard testing procedures, and has over-temperature, over-current and over-voltage protection mechanisms to ensure testing safety and reliability. It is equipped with a portable roller box design to facilitate on-site handling of large substations.
Detailed technical parameters: three-phase synchronous relay protection test + secondary circuit test, per-phase output AC current 0~50A, DC current 0~40A; per-phase output AC voltage 0~250V, DC voltage 0~200V; accuracy grade reaches Class 0.2, supporting 0~30 times harmonic output and transient fault signal simulation; secondary circuit test range 0~1000Ω, insulation resistance test range 0~1000MΩ; the device dimensions are 700*550*350mm, net weight 38.6kg, supports AC 380V external power supply or 72V DC backup power supply, equipped with USB, RS232 and Gigabit Ethernet interfaces, supports data export in multiple formats, and has built-in automatic test flow library, supporting remote control and multi-person collaborative operation.
It is suitable for full-process detection of secondary systems in 500kV and above ultra-large substations and power maintenance centers. It can complete full-item detection work such as relay protection device verification, secondary circuit conduction test and insulation resistance test, and is suitable for professional power maintenance teams, power grid operation and maintenance headquarters and power scientific research institutions for on-site use, and can greatly improve the operation and maintenance detection efficiency of large substations.
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