Direct current system electrical parallel connection detection device and method based on uninterruptible power supply technology

The invention relates to a direct current system electrical parallel connection detection device and method based on an uninterruptible power supply technology. The device comprises a direct-current uninterruptible power supply with an isolation transformer and a measuring unit, wherein the direct-current uninterruptible power supply is used for realizing direct-current load power supply in direct-current system electrical parallel connection detection; the measuring unit is used for realizing direct-current load two-input voltage difference measurement; and the logic controller is used for realizing the control of the direct current uninterruptible power supply with the isolation transformer and the measuring unit and the electrical parallel connection detection of the direct current system. The method can be suitable for solving the problem of direct current system parallel connection in a non-power-off state. 本发明涉及一种基于不间断供电技术的直流系统电气并接检测装置及方法。所述装置包括用于实现直流系统电气并接检测是直流负载供电的带隔离变压器的直流不间断电源、用于实现直流负载两输入电压差测量的测量单元、