Tender For ac drive 37kw/50hp. supply & testing of ac drive specification; 1.ac drive required to drive squirrel cage im:37kw/50hp, 3ph, 415vac, 50hz, 4pole/6pole, s4 duty for crane hoist/ lt, appli cation. 2.ac drive mains supply:3ph, 380-400vac 50hz. 3.ac drive o/p rating, high overload capacity :37kw 4.drive o/p rating, normal ol capacity:45kw 5.panel mounting type, protection:ip-20 6.drive t o work without encoder feedback system with suitable current feedback system for speed control with required braking chopper, rfi & emc filter. 7.drive with inbuilt protection system: drive overload, exc essive load, ground fault, heatsink over temp., motor over load, over speed limit, over voltage, under voltage, short circuit etc. 8.ac drive to work from digital inputs in, up/down or forward/reverse di rection & in jog, start, stop, speed-1, speed-2 & speed-3 modes. 9.drive with standard minimum; 6 digital i/ps, 2 digital o/ps, 2 analog i/ps, 1 analog o/p & 2 relay o/ps. 10.drive shall have hmi with t ouchpad key mounted to display various operating parameters in english. hmi with editing drive para meters & self-monitoring watch dog facility to display fault & alarm indications. 11.drive software pro gram for crane duty be supplied in soft copy. 12. cable to communicate between laptop & ac drive b e supplied & operating manual in hard copy. 13.joint inspection at rwf, rwf will make necessary cab le connections to the rated capacity im & ac drive. supplier has to test ac drive for rated capacity ind uction motor on the crane/equipment & tuned parameters in soft copy. 14.make:danfoss vlt autom ation drive fc-302 series or ab power flex 755 series or siemens s-120 series or abb acs-880-m04 s eries or yaskawa ga-700 series only. 15.while tendering, firm to mention; make,series & complete m odel no & attach technical catalogue of ac drive with tender offer. 16. warranty: 18 months from d.o .supply or 12 months from d.o.commissioning, whichever is earlier. [ warranty period: 18 months a fter the date of delivery ]
Tender For corrigendum : providing of custom bid for services - p&es/01/2025-supply and installation of 1 mt capacity, height 20 meters tower hoist with winch arrangement at truck loading silo structure near r&d in cpcl, manali refinery
Tender For corrigendum : the work of increase in height of hoist support structure of crest spillway vertical gate at dam of chamera-iii power station, khadamukh, chamba (hp) (e-office no. 134857)
Tender For providing, fabricating and erecting of gate leaf assembly, embedded parts, hoist platform, hoist mechanism with all related parts etc. as per drawings and specification for vertical gate (size 30 x 17-12 nos.) of judvadli irrigation scheme. (dist: gir somnath)
Tender For annual maintenance of 108 nos. main barrage gates and its hoist machineries and embedded parts including supply of consumable items, spares and lubricants etc. of fbp for the year 2025 26