Tender For supply of traction transformer complete with cooling system & accessories like h.t. cable along with protection shield in passenger compartment and underframe area, thermostat etc. related protection equipment and with safety chain arrangement including termination crimping lugs, cable markers with heat shrinkable sleeves for power and control cables, equipment mounting and earthing hardware and accessories as per attached specification suitable for 3 phase memu (medha, on-board). make/brand-siemens/medha [ warranty period: 30 months after the date of delivery ] ]
Tender For corrigendum : supply of electricalconsumables required for electrical services sub division at slbhes, srisailam dam west, nagarkurnool (dist) - 509326, telangana
Tender For supply of traction transformer complete with cooling system like ht cable along with protection shield in passenger compartment and under-frame area, thermostats etc. related protection equipment and safety chain arrangement including termination crimping lugs, cable markers with heat shrinkable sleeves for power and control cable, equipment mounting and earthing hardware and accessories as per attached specification. [ warranty period: 30 months after the date of delivery ] ]
Tender For corrigendum : : supply, installation, testing & commissioning of electrical equipment for dg block 119a of inrp - ht panels (119a)supply, installation, testing & commissioning of indoor type floor mounted, single front, metal clad, 1250 a, 6.6 kv, 3 phase, 3 wire, vcb switchgear panel suitable for a short circuit current of 31.5 ka for 3 seconds, internally arc tested for 31.5 ka for 1 second, comprising of following incoming & outgoing feeders : incoming feeder: 1 no. 1250 a, 3p vcb outgoing feeders: i) 7 nos. 630 a, 3p vcbii) 1 no. 1250 a, 3p vcb as tie feederwith surge arrestors, relays, pts, cts & other necessary accessories including associated structural steel required for complete installation of the panel & equipment earthing of the panel from both the earthing terminals of the panel to the nearest earthing grid conductor existing at site using copper conductors of size as per tender technical specifications & drawings. reference drg. nos: ip1/119a/05027339/dwg/001/r0 & ip1/119a/05027339/dwg/002/r0(note: terminal box of each incomer of 6.6kv switchboard shall be suitable for terminating 4x3cx400 sq.mm., 6.35/11kv (e), a2xwy cables.), supply of spares for ht panels as per attached spares list mentiond in section c, part ii of tender, 2.5 mva, 6.6/0.433 kv dry type transformers (119a)supply, installation, testing & commissioning of 6.6/0.433 kv, 2.5 mva, dyn11 dry type cast resin transformer having percentage impedance of 8.5% complete with ht cable end box, lt bus duct flange, off load tap changer on ht side with range of +/-5% in steps of 2.5%, wti scanner, ct for restricted earth fault protection and other necessary accessories including associated structural steel required for complete installation of the transformer & equipment & neutral earthing of the transformer from both the earthing terminals of the transformer to the nearest earthing grid conductor existing at site using copper conductors of size as per tender technical specifications & drawings.reference drg. no. : ip1/119a/05034347/dwg/001/r0, supply of spares for dry type transformers as per attached spares list mentiond in section c, part ii of tender, 2000 kva diesel generator sets (119a)supply, installation, testing & commissioning of 3 phase 2000 kva prime power 433v, 50hz, 0.8 p.f. diesel-generator sets with 110% overload capacity for 1 hr with four (4) stroke inline or vee type cylinder arrangement having engine speed 1500 rpm, 24v electric battery starting system with a provision of interchangeability of battery bank between two dg sets, complete with all auxiliary equipment including amf control panel, auxiliary mcc panels, heat exchanger cooling system, raw water pump, remote radiator with fans on terrace, ms exhaust piping, exhaust structure (maximum 30 m stack), 4 nos. of 3.6 cubic metre fuel day tank outside dg building (for all 4 dg sets) & 1 no. of 990 ltr intermittent tank inside each dg room, ms "c" class fuel piping between engine & fuel tank, dg room accoustic treatment & complete ventilation of dg room, brushless excitation for alternator, one no. 3200 amp 415 v 4p acb, ms structural steel supports/ channels/ angles & other necessary accessories including associated structural steel required for complete installation of the dg & equipment & neutral earthing of the dg from both the earthing terminals of the dg to the nearest earthing grid conductor existing at site using copper conductors of size as per tender technical specifications & necessary statutory clearances from cpcb etc. as required and as per tender technical specifications & drawings. design and construction of foundation for exhaust pipe rack/ structure of dg set is included in the scope of the contractor.reference drg. nos. : i) ip1/119a/05034347/dwg/001/r0ii) ip1/119a/05044831/dwg/003/r0iii) ip1/119a/05044831/dwg/004/r0iv) ip1/119a/05044831/dwg/005/r0v) ip1/119a/05044831/dwg/006/r0, supply of sp
Tender For purchase of lab equipments for eee dept - purchase of lab equipments for eee dept, single phase transformer.itemcode:b002 single phase transformer,rating: 1 kva, 50 hz, input: 230 v acoutput: 115 v ac,type: air-cooled, single-phase step-down transformer properly insulated input and output terminals brought out for safe operation)., acidity test kit itemcode:b005specifications:ethyl alcohol sodium carbonate solution universal indicator solution laboratory-grade test tubes droppers colour comparison chart for test result comparison chemicals supplied in labelled containers with safety instructions suitable for laboratory educational and testing applications, dc stepper motor drive kit with stepper motoritemcode:b010specifications:stepper motor : permanent magnet / hybrid type with suitable driver circuits. motor operating voltage : 12 24 v dc variable speed control forward and reverse direction control full step and half step operation manual / automatic pulse generation facility built-in regulated dc power supply led indication for phase sequence and status test points provided for waveform observation start / stop control switches to be provided overload and short circuit protection to be provided mounted on compact powder coated cabinet withprinted circuit diagram proper insulated terminals and interconnecting leads to be provided patch chords for interconnection, dc servo motor drive kit with servo motor itemcode:b011specifications:input supply : 230 v ac, 50 hz servo motor type : dc servo motor with feedback arrangement motor operating voltage : 12 24 v dc controller type : microcontroller based servo drive controller speed control : variable speed control to be provided position control : angular position control facility to be provided direction control : forward and reverse operation feedback device : encoder / potentiometer based feedback system built-in regulated dc power supply led indications for power and status test points to be provided for signal observation and analysis start / stop control switches provided overload and short circuit protection to be provided mounted on powder coated cabinet with printed circuit diagram proper insulated terminals and interconnecting leads to be provided, three phase resistive load itemcode:b013specifications:rating: 5.25 kw supply: 415 v ac, 3-phase, 50 hz total number of load steps: 6 main switch to be provided approximate dimensions: 18 18 22 inches (l b h) comprising special cement-insulated electrical load resistors mounted on powder-coated ms panel/enclosure individual on/off rotary switches for load selection mounted on rubber wheels/casters for portability suitable for laboratory load testing applications proper insulation, ventilation, and earthing arrangement to be provided, single phase single pulse / sinusoidal pwm inverter using mosfet/igbt kit itemcode:b028specifications:type : single phase pwm inverter trainer power device : mosfet / igbt based inverter circuit input supply : 12 24 v dc output voltage : 30 v rms ac output phase : single phase output frequency : 0 50 hz variable output power : 100 w single pulse pwm operation sinusoidal pwm (spwm) operation variable frequency control pwm generation and firing control circuit inbuilt gate drivercircuit provided test points provided for waveform observation and analysis built-in resistive load provision, on / off control of lamp using solid state relay kit itemcode:b029specifications:type : solid state relay (ssr) trainer kit control/input voltage : 12 v / 24 v dc or up to 30 v dc output load voltage : 230 v ac, single phase load control : on/off control of ac lamp load solid state relay based switching circuit opto-isolated input control built-in ac lamp load manual on/off switching arrangement led indication for input and output status, speed control of ac motor using vfd drive module with ac motor itemcode:b030specifications:type : variable frequency drive (vfd) module input supply : 415 v ac, three phase, 50 hz o