Tender For corrigendum : providing service for the operation and maintenance of 33 11 kv transformer, panels, diesel generator set substation, stp, wtp, ahus, scada, firefighting, plumbing, carpentry and internal and external street lighting and electrical installations
Tender For corrigendum : nshes - supply of oil temperature indicators (oti) and winding temperature (wti) for 45mva telk make generator transformer at nshes, nagarjuna sagar.
Tender For supply of electrical and electronics laboratory setup - rlc resonance trainer kit series and parallel resonance, kit consists of voltmeter and frequency counter, inbuilt signal generator, experiments can be performed with or without oscilloscope inbuilt power supply, maximum power transfer theorem trainer kit maximum power transferred from a source to a load when the load resistance is made equal to the internal resistance of a source. inbuilt fixed dc regulated power supplies : 12vdc, meters, ammeter & voltmeter, required components provided, circuit diagram printed on front panel & all important test points are brought out on front panel power requirement : 230 vac, clamp on meter suitable for min 300 a ac/dc current measurement range: 0.2 to 300 a, accuracy 1.5% ac voltage: mv to 1000 vac, accuracy: 0.75% dc voltage: 30mv to 1000 vdc, accuracy: 0.5% resistance: upto 30 mohm, accuracy: 0.5% capacitance 1 nf to 30 micro f, accuracy: 1% frequency upto 100 khz, accuracy: 0.5% auto hold, max/min, auto/manual, diode, ip20 protection., digital meter: portable table top type, with cabinet and stand, terminals brought out for connections, range: voltmeter:0-750v ac 0-500 vdc, ammeter:0-20a ac 0-20a dc 2 nos each range, electronic energy meter( single phase) 240vac, 20aac, electronic energymeter( three phase) 400 vac, 30 aac, digital multimeter ¾ digit , true rms ac voltage range : 1 mv to 1000v, accuracy < 1% dc voltage range : 10 mv - 1000 v, accuracy < 0.5% ac current range : 1 ma-10a, accuracy < 2%, dc current range 0.01 ma-10a, accuracy < 1.5%, resistance: 100 mohm-60 mohms, accuracy < 0.5% input impedance: 10mohm capacitance: 1 nf – 60 mf, accuracy: < 5%, frequency: 0.01 hz – 10 khz, accuracy < 0.1% duty cycle, temperature and diode test, lcd display with auto / manual range , included accessories: test leads, rubber holster, temperature probe, battery charger 12 / 24v dc, 15 a, digital power factor meter, portable bench top type, with cabinet and stand, terminals brought out for connections, range: single phase, 220v ac, 5a, digital frequency meter, portable bench top type, with cabinet and stand, terminals brought out for connections, range: 45-55 hz, digital wattmeter, portable bench top type, with cabinet and stand, terminals brought out for connections, range: 220v, 5a ac single phase (2 nos) 400 v, 5a ac, three phase (2 nos), single phase half wave, full wave , fully controlled bridge rectifier / converter design to study to controlled rectifier & observe wave form on cro. meters provided of suitable range, in built power supply. load resistance, controls for phase angle. circuit diagram printed, & test points brought out on front panel. power requirement: 230 vac +10%, 50hz. supplied with patch chords & instruction manual, ups trainer kit input range: 170 to 270 v, ac output (input present): 195 to 250 v capacity: 200 w battery: 12 v / 7 ah, maintenance free, test points for experimentation purpose. panels: input / output / battery / transformer / avr / charger /inverter study of charger study of changeover logic study and working of ups, smps trainer kit input : 110- 230v, output : 12v dc, switching transformer, scr commuation trainer kit two dc regulated power supplies 0-30vdc/150ma & 0-1 vdc/150ma, three meters for voltage & current measurement , scr 2p4m mounted behind the panel, connections of supplies, meters & scr brought out at 4mm sockets., characteristics trainer kit for scr,diac,triac, ujt,igbt instrument comprises of three dc regulated power supplies 0-15 vdc/150ma, 0-50 vdc/150ma & 0-2.5 vdc/150ma, four round dual range meters for voltage & current measurement,ujt, scr, diac, triac & their supportive components mounted behind the panel, connections of supplies, meters & components brought out at 4mm sockets., kit for speed control of dc motor using microcontroller eters (digital) :0-200v dc, 0-500ma dc instrument provided with 1/12 hp dc motor, on board phase a
Tender For mtps-i - es circle - em-i breakdown maintenance of turbo generator and its auxiliaries ht cables,station transformer ,and lt bus fault attending works in unit i to iv during emergency for a period of 12 months from the date of commencement of work.
Tender For mtps-i - es circle - em-1 unit -1-dismantling and reassembling of ht/lt terminal links of generator transformer-i,uat 1 a&uat 1b for conducting statutory testing of tg& gt-i during annual overhaul-2026 of unit-i
Tender For mtps-i es circle em-i breakdown maintenance of turbo generator and its auxiliaries ht cables station transformer and lt bus fault attending works in unit i to iv during emergency for a period of 12 months from the date of commencement of work.