The device adopts a high-end modular signal source design, supporting six-phase synchronous output to test core protection devices such as six-phase differential protection and busbar protection in ultra-high voltage substations at the same time. It is equipped with a 15-inch high-definition touch screen, supporting graphical test flow editing, with a built-in 128GB large storage capacity to store massive test data. It supports Gigabit Ethernet and IEC 61850 communication protocols, and can directly connect with IED devices of smart substations for testing. It has over-temperature, over-current and over-voltage protection mechanisms to ensure testing safety and reliability, and supports multiple international standard testing procedures to adapt to power detection specifications of different regions.
Detailed technical parameters: six-phase synchronous testing, per-phase output AC current 0~30A, DC current 0~25A; per-phase output AC voltage 0~150V, DC voltage 0~120V; accuracy grade reaches Class 0.1, supporting 0~50 times harmonic output and transient fault signal simulation, supporting IEC 61850, Modbus and other communication protocols; the device dimensions are 600*450*300mm, net weight 22.5kg, supports AC 380V external power supply or 48V 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 for ultra-high voltage protection devices.
It is suitable for full-item verification and fault troubleshooting of relay protection devices in 220kV and above ultra-high voltage substations and provincial power grid dispatching centers. It can test complex protection devices such as busbar protection, transformer differential protection and line protection, and is suitable for professional power detection institutions, power maintenance companies and smart grid operation and maintenance teams for on-site use, and can also be used as testing equipment for power scientific research institutions.
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