Substation GZDW Unattended DC Power Cabinet

Substation GZDW Unattended DC Power Cabinet from Zibo Qifei Electrical Equipment Co., Ltd. is power-industry dedicated power quality & emergency power supply equipment. It serves as secondary backup power matched with complete box type substations, high/low voltage high & low voltage switchgear and distribution power transformers, lays station DC control busbars via full series distribution accessories. Equipped with large-capacity energy storage battery packs and high-frequency rectifier modules, it can parallel full sets of PV energy storage distribution equipment to realize dual DC backup power mode of mains and PV. Adapted to 220V DC standards of domestic and overseas substations, it features ±0.5% voltage stabilization accuracy and ≤3% current sharing unbalance degree. Low-ripple output will not interfere with relay protection and measurement instruments, suitable for long-term continuous unattended operation of power plants, hydropower plants and urban grid substations wi…