Uninterruptible power supply cabinets are designed to provide uninterrupted power to the operative current consumers (switch drives, relay protection and automation, accounting, measurement, communication devices, etc.) of substations and distribution points, battery charging/recharging.
The use of the uninterruptible power supply cabinet provides significant technical and economic efficiency compared to modern options for similar solutions.
One of the main features of the cabinet is that the device provides power to consumers with alternating voltage of the correct sinusoidal shape (pure sinewave), which allows as follows:
• in case of reconstruction of the existing facilities with alternating operational current, provide uninterruptible power supply of the existing devices without replacing them from rechargeable batteries;
• improve reliability of devices that are sensitive to interference in the power supply network, due to highly effective noise protection.
• implement mutual redundancy of the operational current network with auxiliaries AC network to auxiliaries power consumers of special weight;
• ability to repair/maintain any element of the cabinet without interrupting power supply to consumers;
• provide stable AC voltage at cabinet output in case of its deviations in the power supply network.