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Dept. No. SU/SNST/177 Department: - School of Nanoscicncc and Technology Date: 03/03/2023 To.------------------- Subject: Request to send the quotations for 7.5 KVA TRUE ON-LINE UPS Dear Sir/Madam, We are going to purchase 7.5 KVA TRUE ON-LINE UPS in the School of Nanoscicncc and Technology. Shivaji University. Kolhapur as per the following specifications. 7.5 KVA TRUE ON-LINE UPS Sr. No. Technical Specifications Qty- 1. 02 Technology IGBT Based PWM. Capacity 7500 VA D.C. Voltage 192 Volt Input Voltage 170V AC to 270V AC, Frequency 50 Hz, Single Phase Input Power Factor 0.85 to Unity Galvanic Isolation Output Isolation Transformer must be provided Output Voltage 230V AC +/-!% 50 Hz Output Power Factor 0.8 lagging Outpiut Waveform Pure sine wave. THD Less than 3% on Linear Load. Inverter Efficiency More than 87% Rectifier IGBT based PFC Type (Should charge battery bank of 66 Ah Battery) Bypass facility Manual Bypass Switch Protections Output Overloaded, Output Short circuit. Battery low trip. DC over voltage. Output under voltage/ over voltage. Indications Mains on. Inverter On. battery Low. Over Load Audible Alarm Battery low pre-alarm at 80% of battery discharge. Digital Metering and Fault Indications Display: - Input Voltage. Output Voltage, Load Current, % Load. Charging Current. Battery Voltage. % Battery Charge. Fault Indications: • Mains Off, Inverter Off, O/P Under Voltage / Over Voltage. Battery Low Pre-Alarm & Trip, DC Over Voltage, Output Overload. Ambient Temp. 40° C Relative Humidity Maximum 100% Minimum 70% Enclosure M.S. Powder coated with castor wheels. Battery: Presently we arc going to use Exide 6F.L 66+ (66 AH TUBULAR BA I IERY) batteries, in future it may change. Number of Batteries: 16 (Sixteen) So. kindly request you to send the quotations for 7.5 KVA TRUE ON-LINE UPS as per the specifications including supply, installation, commissioning and other charges up to 13/03/2023. Quotation Cover must be sealed and superscripted “Quotation for 7.5 KVA TRUE ON-LINE UPS" and bear the address of Director. School of Nanoscience and Technology. Shivaji University. Kolhapur. |