20kVA or 20kW at the rate 40 Deg C with frame level redudnancy, 3 Phase, 3 wire, Static UPS System made up of swappable/parallell redundant power modules for simple replacement/updradation to ensure lower MTTR with Input and Output Cabinet suitable to terminate AL cable, with inbuilt static and Maitenance bypass switch. The UPS shall facilitate the replacement of power modules, if upgraded with parallel modules, while the system remains in normal operation without transfer to bypass .Design, manufacturing, supply, installation, testing and commissioning of Double conversion, IGBT based rectifier and Inverter, Modular, On-line UPS with 3Phase, 400Volts, 50 Hz, True sine wave, Microprocessor based, transformer less Static UPS system. The Static Switch and intelligent controller shall be suitable for rated capacity of the UPS System. The Display module shall show clear graphical / text based overview of alarms, status data & instructional help. The UPS supplied shall be suitable for Bottom cable entry provision. The UPS system shall be confirming to latest standards and as per detailed technical specifications of the tender along with this BOM & Q. The capacity of UPS system is as below .
Input and output Voltage - current wave form capturing
Input & Output Voltage/Current Waveform Capturing for each UPS system either by inbuilt mechanism or by external Energy Meter for root cause analysis during any abnormal fault situation
12V F.R Rated Valve regulated lead acid, sealed maintenance free type for 30 Minute backup considering load PF of 0.8, End Cell Voltage 1.7V. Minimum VAH required as per technical specification
DC MCCB with UV trip coil and aux contacts for battery protection and isolation. Rating of breaker should be to withstand max battery discharge current at End Cell Voltage and full load.
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