New Delhi Municipal Council-NDMC has published 39 / Ee ( E ) Bm-I / 2021-22 Repairing Of 45Kw Variable Frequency Drive And Replacement Of Cooling Coils Of Air Handling Units No. 5 Installed At Palika Bazar Under Bm-I ( E ) Division.. Submission Date for this Tender is 24-12-2021. Industrial Drive Tenders in Palika Bazar Delhi. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Repairing and Servicing of 45KW (400V / 60HP (460V) Variable Frequency Drive which shall be capable of operating on the AC Supply Voltages applicable to the end site with suitable tolerance for variations in the incoming mains power supply. The applicable supply voltage range must meet one the below: 380-480V A + 10%. VFD’s must be capable of continuous operation with the connected load with up to 3% voltage imbalance between the incoming phases. VFD’s shall be capable of operating with a mains supply frequency range of 50-60 Hz + 2%. The VFD shall be capable of variable frequency, variable voltage output in the range 0-50Hz and 0-45Hz Supply Voltage. VFD’s after repairing should include protection features to ensure that the motor may not operate in an overloaded condition which may cause damage to the connected motor. It shall be capable of controlling the motor with a constant or variable torque output characteristic in order to operate the desired load. Selection between constant and variable torque operation should be easily selectable by parameters within the VFD. Make: (Danfoss) |
| 2 | Supplying, Installation, testing and commissioning of factory built cooling coil section with aluminium finned copper tubes with MS header, dia of tube 1/2". Al. fin 10-12 per inch and thickness of tube should not be less then 0.41mm and casing of coil should be GI i/c dismantling of old coil removing of panel welding of flanges of new coil complete and buyback the old dismantle cooling coil as per specification and capacity. CHW Cooling Coil, Fl-1850X FH – 1200 mm x 4RD |
| 3 | Credit for old retaining cooling coil |
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