Latest auto transformer repair Tenders | Government auto transformer repair Tenders

CTN :45519337

24 Jun, 2026 NA

Uthangarai - Tamil Nadu

Tender For supply of lab equipments for eee - list of equipments, three phase synchronous motor with electrical workbench (for specifications refer nit), dc shunt motor coupled three phase alternator with electrical work bench (for specifications refer nit), synchronizing panel (for specifications refer nit), three phase transformer (for specifications refer nit), 3 phase auto transformer starter (for specifications refer nit), dc servo motor drive kit with servo motor (for specifications refer nit), three phase squirrel cage induction motor with electrical workbench (for specifications refer nit), single phase induction motor with load arrangement 5hp ,230v, 1400 rpm (for specifications refer nit), single phase single pulse / sinusoidal pwm inverter using mosfet/igbt kit (for specifications refer nit), single phase to single phase cyclo converter kit (for specifications refer nit), pwm based step down dc chopper using mosfet/igbt kit (for specifications refer nit), performance of ultrasonic and moisture sensors (for specifications refer nit), on / off control of lamp using solid state relay kit (for specifications refer nit), linear variable differential transformer measurement trainer (for specifications refer nit), 3 floor lift interfacing model (for specifications refer nit)

CTN :45501064

02 Jul, 2026 20.00 Lacs

Bikaner - Rajasthan

Tender For notice inviting limited tendernotice no: 01/elect./2026/ 706 date:- 10.06.2026tools & equipments of –electrician trade- heavy duty screwdriver insulated , electrician screwdriver thin stem insulated handle, , knife double bladed electrician, , chisel firmer with wooden handle, , grease gun, , (a) crimping tool, , wire cutter and stripper, , hacksaw frame, , tweezers, , drill hand brace, , plane cutters, , smoothing cutters, , file flat rough, , file flat bastard, , file rasp, half round, , the soldering gun, , contactor & auxiliary contacts (rm), , contactor & auxiliary contacts. (rm), , pin type, shackle type, egg type & suspension type insulators including hardware fitting, , portable electric drill machine, , load bank (lamp/heater type), , brake test arrangement with two spring balance rating, , laboratory type induction coil, , series test lamp (rm), , knife switch dpdt fitted with fuse terminals (rm), , knife switch tpdt fitted with fuse terminals (rm), , miniature circuit breaker (rm), , earth plate (rm), , earth electrode (rm), , elcb and rccb (rm), , fuses (rm), , rheostat (sliding type), , capacitors (rm), , various electronic components (rm), , various lamps (rm), , plug socket piano switch lamp, , holder (rm), , cables:, , twisted pair, , non-metallic sheathed cable, , underground feeder cable, , ribbon cable, , metallic sheathed cable multi-, , conductor cable coaxial cable, , direct-buried cable (rm), , rubber mat (rm), , electrician helmet, , rcc pole with accessories (ms angle iron, 'c' clamp, stay insulator etc.) and materials, , quipment, , ohm meter; series type & shunt type, portable box type, , digital multi meter, , a.c. voltmeter m.i. analog, portable box type housed in bakelite case, , milli voltmeter centre zero analog, portable box type housed in bakelite case, , ammeter mc analog, portable box type housed in bakelite case, , ac ammeter mi, analog, portable box type housed in bakelite case, , weight wattmeter analog, , (b) frequency meter (digital), , magnetic flux meter, , tachometer, , tong tester / clamp meter, , megger, , single phase variable auto transformer, , growler, , ac starters: :- -, , f. star delta starter soft starter, , g. auto transformer type, , oscilloscope dual trace, , function generator, , discrete component trainer, , linear i.c. trainer, , digital i.c. trainer, , domestic appliances -, , g. mixture & grinder, , h. washing machine semi-automatic, , i. motor pump set, , oil testing kit, , battery charger, , current transformer, , potential transformer, , 1 5 or 17 computer or latest version, , d.c. shunt generator with control panel, , motor-generator (ac to dc) with control panel, , d.c. compound generator with control panel including fitted rheostat, voltmeter, ammeter and breaker, , dc series motor coupled with spring balance load with control pannel, , dc shunt motor with control pannel, , dc shunt motor with control pannel, , dc compound motor with starter and switch with control pannel, , motor generator(dc to ac) set consisting of - shunt motor with starting compensator and switch directly coupled to ac generator with exciter and switch board mounted with regulator, breaker, ammeter, voltmeter frequency meter, knife blade switch and fuses etc. set complete with cast iron bed, , plate, fixing bolts, foundation bolts and flexible coupling., , ac squirrel cage motor with star delta starter and triple pole iron clad switch fuse with mechanical load., , ac phase-wound slip ring motor with starter switch, , universal motor with starter/switch, , synchronous motor with accessories like starter, excitation arrangements., , thyristor /igbt controlled d.c., , motor drive with tacho-generator feedback arrangement, , thyristor/igbt controlled a.c. motor drive with, , single phase transformer, core type, air cooled, , three phase transformer, shell type oil cooled with delta/ star, , electrical machine trainer -, , diesel generator set with changeover switch, ov

CTN :45488631

23 Jun, 2026 NA

Dharmapuri - Tamil Nadu

Tender For purchase of linear variable differential transformer measurement trainer lab equipment for eee department - item name, 3 phase auto transformer starterinput voltage:230 v ac /50 hzlcd display ,digital voltmeter

CTN :45475065

18 Jun, 2026 NA

Krishnagiri - Tamil Nadu

Tender For procurement and installation of ece lab equipments - procurement and installation of ece lab equipments, single output variable dc rpsu single output regulated power supply- input voltage: 230v/50hzac- output voltage: (0 30v)dc- output current: (0 2a)dc- protection circuit: over voltage and over current protection, short-circuit protection- high efficiency: greater than 85%- low ripple and noise: less than 50 mv, dual output variable dc rpsudual output regulated power supply- input voltage: 230v/50hzac- output voltage: (0 30v)dc- output current: (0 2a)dc- protection circuit: over voltage and over current protection, short-circuit protection- high efficiency: greater than 85%- low ripple and noise: less than 50 mv, function generatorfrequency range: 0.1 hz to 2 mhz.display: 4 to 6 digit led displayoutput waveforms: sine, triangle, square, pulse, ramp.amplitude: 0 20 vp-p.rise time: 100 ns.distortion: 1% (within acceptable range of frequencies).power supply: ac 220 v 10%, 50-60 hzoutput amplifier protection: protected against short circuit and 15v overload, digital storage oscilloscopebandwidth: 50 - 100 mhz.sampling rate: 1gs/s.channels: 2 (minimum)power supply: 100v 240v ac, 50-60 hzautomatic measurement: vpp, vavg,rms, frequency, period, vmax, vmin, rise time, fall time, + width, - width, +duty, - duty etc.,horizontal scale: 5 ns/div 100 ns/div or equivalentvertical resolution: 8 bits (2 channels simultaneously)vertical sensitivity: 1 mv/div 10 v/div (at input)waveform math: +, -, x , , invert, fft etc.,waveform storage: 16 waveforms or equivalentcommunication interface: usb host, usb interface.7-inch color display or equivalentbasic trigger functions, digital vo;tmeterdc voltmeter digital 3 digit display (0-100 v), 0.5 % accuracy (class 0.5 equivalent) (2000), digital ammeterdc ammeter digital 3 digit display (0-2 a), 0.5 % accuracy (class 0.5 equivalent) (1500), eliminator transformer (stepdown)input - 220v - 240v ac, 50 hz, output-2v to 12v dc, 0-2 a ripple: 5mv, embedded lpc 2148 kit cpu - lpc2148, core - 16/32 bit arm7dmi-s speed - max 60 mhz, flash - 512kb, ram (on-chip) - 40kb, 46 general purpose i/opins, usb2.0 one 10bit a/d converter with 14 analog inputs, one 10bit d/a converter, six pwm &watchdog two uarts (16c550), two i2c (400kb/s), two spi s eight bit digital output, eight bit digital input, 16 x 2 characters lcd and 4x4 matrixkeypad one potentiometer for giving analog input, relay & buzzer interface i2c devices: rtc, eeprom and seven segment display, on board stepper motordriver lm35 temperature sensor, one rs 232 lines are terminated at 9 pin d type connectorand usb interface board has inbuilt power supply and mounted in sturdy cabinet accessories usb cable with utility software to download programs from pc to target board example programs in embedded c and assembly with documentation (soft copy) power chord, user manual with cd/dvd, free demonstration after delivery, single phase induction motorsingle phase induction motor, 230v ac, 50hz supply.power rating 1 hp (0.75 kw).speed 1440 rpm.capacitor start/run type suitable for lab useloading setup portable ammeter and digital tactometer contact type, single phase autotransformerinput - single-phase, 230v/240v, 50 hz, 4a, ac output - 0 to 270vac, class "h" or class f insulation., lvdt trainer kitac mains power supply : 230v 10%, 50hzfixed regulated dc power supply : +5v, 12v /500matransducer : lvdtlvdt displacement : 20mm (40mm total)displacement scale : linear 20mmdisplacement display (mm) : red color 3 digit led displayexcitation frequency : 4khzexcitation voltage : ac variable 5v, strain guage trainer kitmetal foil strain gauge mounted on beam/cantileverstrain measurement under applied loadwheatstone bridge arrangementsignal conditioning and amplification circuitinstrumentation amplifiers, 3 digit display of strain / output voltagezero and gain adjustment controlsprovision for applying calibrated loadsregulated power supply, 230 v ac, 50 hztable-top tr

CTN :45476989

18 Jun, 2026 NA

Krishnagiri - Tamil Nadu

Tender For procurement and installation of eee lab equipments - procurement and installation of eee lab equipments, dc series motor with starting and loading arrangement with electrical work bench motor rating: 5 hp , 220 v , 1500 rpm, loading arrangement : mechanical rope with aluminum loading with adjustable wheels - 2 no s 0-50 kg spring balance - 2 no s workbench: with back side lock 1. 2 point starter 2. ammeter ( 0 - 30a) dc 3. voltmeter ( 0- 300v) dc 4. rheostat - 1 no., single phase transformer step dwon, single phase, 2kva , 230/115 v , 4a / 8a, 3 phase transformer step down three phase, 2kva, 440/220v., transformer oil bdv test kit single phase, 230v, output voltage 60kv with timer, acidity test kit single phase, ac 230v,50hz, astm d974, rating scale, ,color chart, required, test tunes & solutions, three phase auto transformer three phase variac, 415 / (0-470)v, 15a, linear variable differential transformer measurement trainer input voltage : 230 v ac / 50 hz lcd display, digital voltmeterlvdt stroke length : 25mm potentiometer includedoperating temperature :10 c to 50 c, dso bandwidth: 50 mhz channels: 2 (dual trace)sampling rate: 1 gsa/s time base & voltage controls: variable display: color lcdprobes: 2 nos supplied interface: usb

CTN :45465664

18 Jun, 2026 3.00 Lacs

Thanjavur - Tamil Nadu

Tender For supply of upgradation of laboratory equipment- tansche - upgradation of laboratory equipment, digital ic trainer kit: equipped with 16 high -visibility leds for monitoring experimental outputs and logic status indication. dedicated driver circuitry provided for reliable operation and protection of all 16 leds during experimentation. all 16 driver input lines are terminated through banana connectors for flexible and easy external interfacing. includes 16 spdt toggle switches for generating manual logic input conditions in digital electronics experiments. additional 16 leds provided to display the real-time status of individual switch operations. one terminal of each spdt switch is externally accessible through banana sockets for convenient circuit connections. built -in variable clock generator enables pulse generation for sequential and timing-based digital experiments. frequency adjustment provided through potentiometer and rotary switch combination for precise clock selection. clock output is terminated through banana connectors for quick integration with external circuits and trainer modules. features dual 7 -segment led display with 7447 decoder/driver ic for bcd to display conversion experiments. inputs of the 7447 drivers are terminated at banana connectors for direct digital logic inter-facing. includes solder less breadboard for rapid circuit prototyping and reusable experimental setup development., pam,pwm,ppm trainer kit:pam- ppm- pwm modulation and demodulation techniques, using natural and flat-top sampling. natural sample, sample and hold and flat-top outputs. selectable 2 different sampling pulse frequencies on board. on board sine wave generators. voice communication using dynamic microphone and speaker. -on board filters and amplifier. functional blocks indicated on board mimics. input- output and test points provided on board. built in dc power supply -fully documented operating manual -switch faults .pulse modulation techniques: (1) pulse amplitude modulation (2) pulse width modulation (3) pulse position modulation crystal frequency : 6.14mhz .sampling frequency : 16 khz, 32 khz .sine wave generator : 1 khz & 500 hz, amplitude (0-5) v. tolerance +5% . low pass filter : 4th order bw filter. cut off frequency 3.4 khz. voice communication : voice link using dynamic mic & speaker . ac amplifier : with adjustable gain control interconnections :uninsulated sockets. power:230v,50hz . accessories : manual , set of patch chords, microphone & speaker., electronics work bench:digital storage oscilloscope (dso) - 50mhz - 1no . 3mhz function generator (fg) 1no.dual output variable power supply (rps) (0-30v/2a) - 1no. fixed output power supply ( 12v, 500ma) ( 5v, 500ma) - 1no . digital multimeter 3.5 digit [hand held type] - 2nos 3.5 digit lcr meter [hand held type] - 1no. soldering & desoldering device - 1no., mosfet drain current and transfer characteristics trainer kit:circuit diagram in the front panel.biasing components provided test points are terminated at banana connector.input: 230v ac.housed in a closed cabinet.detailed experimental manual.2mm patch chords provided for inter connecting., frequency response of cs amplifier trainer kit:circuit diagram in the front panel.biasing components provided test points are terminated at banana connector.input: 230v ac.housed in a closed cabinet.detailed experimental manual. 2mm patch chords provided for inter connecting., frequency response of cascode amplifier trainer kit: circuit diagram in the front panel. biasing components provided test points are terminated at banana connector.input: 230v ac. housed in a closed cabinet. detailed experimental manual. 2mm patch chords provided for inter connecting., class a transformer coupled power amplifier trainer kit: circuit diagram in the front panel.biasing components provided test points are terminated at banana connector. input: 230v ac.housed in a closed cabinet.detailed experimental manual.2mm patch chords prov

CTN :45435023

16 Jun, 2026 NA

Perambalur - Tamil Nadu

Tender For supply of lab equipments for eee dept - eee dept lab equipments, single phase transformer, loading rheostat i phase, linear variable differential transformermeasurement trainer, single phase to single phase cycle converter kit, pwm based step down dc chopper usingmosfet/igbt kit, single phase single pulse/sinusoidal pwm inverter using mosfet/igbt kit, on / off control of lamp using solid state relay kit

CTN :45430786

18 Jun, 2026 NA

Ariyalur - Tamil Nadu

Tender For supply of electronics andcommunication engineering lab materials - electronics and communication engineering lab materials, dso (digital storage oscilloscope)bandwidth: 50 - 100 mhz.sampling rate: 1gs/s.channels: 2 (minimum)power supply: 100v 240v ac, 50-60 hzautomatic measurement: vpp, vavg,rms, frequency, period, vmax, vmin, rise time, fall time, + width, - width, +duty, - duty etc.,horizontal scale: 5 ns/div 100 ns/div or equivalentvertical resolution: 8 bits (2 channels simultaneously)vertical sensitivity: 1 mv/div 10 v/div (at input)waveform math: +, -, x , , invert, fft etc.,waveform storage: 16 waveforms or equivalentcommunication interface: usb host, usb interface.7-inch color display or equivalentbasic trigger functions, digital ic trainer kit with breadboard5v dc, 1a regulated power supply 12v dc / 15v, 200 ma regulated power supplysolderless breadboard to accommodate 8 16-pin icszif (zero insertion force) ic socketssupports ttl and cmos icslogic io leds for output monitoring8 buffered led outputs8 debounced switch inputsttl clock: 1 mhzvariable clock generator: 0.5 hz to 50 hzsingle pulse output: 100 ms (buffered, positive and negative outputs)one seven-segment display with 4 bcd inputsbuilt-in logic probesbuilt-in logic switchesexperiments on basic logic gates, flip-flops, counters, and multiplexers, eliminator transformer (stepdown)input - 220v - 240v ac, 50 hz, output-2v to 12v dc, 0-2 a ripple: 5mv, decade resistance boxrange: 1 to 10 m , steps: 1-10-100-1k-10k, accuracy 1%, suitable for filter and oscillator experiments, decade inductance boxrange: 1 h to 10 h, rotary switch selection, low loss inductors, accuracy 1%, , suitable for filter and oscillator experiments, 8051 micro controller kitoperating voltage: +5v dc4 kb flash (at89c51) / 8 kb flash (at89s52)ram: 128 bytes internal ram16 2 alphanumeric lcdpush buttons / tactile switchesdip switches for digital inputinbuilt adc interface : ldr,potinbuilt dac interfaceinbuilt stepper motor driver with stepper motorinbuilt dc motor driver with dc motor1x4 led array, 1 x4 keypad, 1x relay1x buzzer, 16x2 lcd display, 1x pwm driver1x hardware interrupt key, inbuilt rtcinbuilt eeprom, inbuilt uart module4x7 segment display, both assembly and c language programmable, pc interfaceable., single phase induction motorsingle phase induction motor, 230v ac, 50hz supply.power rating 1 hp (0.75 kw).speed 1440 rpm.capacitor start/run type suitable for lab useloading setup portable ammeter and digital tactometer contact type, auto transformerinput - single-phase, 230v/240v, 50 hz, 4a, ac output - 0 to 270vac, class "h" or class f insulation., temperature measurement kitsensors: rtd (pt-100), thermocouple (fe-k/j-type), and/or thermistor (ntc).display: 3 digit led/lcd digital display (typically 200mv fsd).temperature source: portable water kettle or heater block.signal conditioning: on-board circuitry for amplification, linearization, and cold junction compensation. test points: multiple 2mm/4mm banana sockets for monitoring input/output signals.power supply: 230v ac, 50hz, single-phase.accessories: includes a glass thermometer, ntc thermistor probe 10k, k-type thermocouple probe, patch cords, and instruction manual., ask modulation and demodulation kitmessage signal 1 : 8 bit variable data, amplitude 5vmessage signal 2 : debounce data, amplitude low (0) & high (5v)message signal 3 :fixed data 25k, 12.5k, 6.25k, 3.12k, amplitude 5vcarrier signal : sine wave frequency 200 khz, amplitude 5vmodulator type : switching icdemodulator : envelope detector & lpfcomparator : lm 311 basedsupply voltage (board) : +12v, +5v / dcsupply current : 100 ma (minimum)input voltage : 230 v/ 50 hz acinterface connectors : 2mm banana socket, dth trainer kitpower supply 200v to 240v ac, 50hz,dish antenna 1.5 aluminum steerable, lnb low noise block down converterinput frequency ku band.output frequency 950 to 1450 mhz.conversion gain 65 db.noise temp 35 degree k max.set top box receiver in traine

CTN :45430790

18 Jun, 2026 NA

Ariyalur - Tamil Nadu

Tender For supply of mechanical engineering lab materials - mechanical engineering lab materials, serve motor drive kitinterface l293d motor driver ic with arduino to control direction of rotation of two dc motors), bldc motor kitbldc motor 1 nobldc motor drive -1noinbuilt volt and ammeter and rpm meterinbuilt power supplyinput 230v ac, lvdt trainer kit complete educational trainer for linear variable differential transformer (lvdt) displacement measurement. built-in ac excitation source and signal conditioning circuitry for lvdt operation. micrometer assembly for precise linear movement of the lvdt core. displacement range ~10 mm with clear front-panel adjustments for zero & calibration. digital display (typically 3 -digit) for direct readout of conditioned output/displacement values. test points and banana sockets for signal observation on external instruments. self-contained unit in a durable enclosure with labeled controls and educational layout. includes user manual and patch cords for experiments. operates on 230 v ac, 50 hz mains supply., multi-cylinder petrolphase : single phase load: mechanical load with ropenumber of cylinders : 4displacement : rope brakepower : 65hp,4000 rpm,1396 ccbrand material : mild steelengine type : 4 stroke self startfrequency : 15hzfuel consumption : petrolfuel tank capacity : 5 letermorh s test rig, tail stock assemblyheavy-duty lathe tailstock assembly for training; cast iron body with base, barrel (quill) ~50 75 mm stroke, hand wheel feed, dead centre mt2/mt3, set over screws for taper turning, spindle clamp, complete with all internal parts for dismantling and reassembly; suitable for 300 400 mm centre height training lathe., dc motorvoltage 220-440 v dcpower - 180 w speed - 200 rpm, hydraulic cylinderdouble acting hydraulic cylinder, bore 40 50 mm, stroke 200 300 mm, working pressure up to 100 160 bar, steel tube with honed bore, hard chromed piston rod, front & rear end caps, piston with seals and wear rings. supplied as standalone unit with suitable mounting for dismantling, inspection and reassembly., hydraulic opreated directional control valve (dcv)manually operated 3/2 or 4/2 way spool type hydraulic directional control valve, nominal size ng06 (cetop 3) or equivalent, rated pressure 210 bar, flow 20 40 lpm; valve body with hardened and ground spool, centering springs, ports p a b t clearly marked. supplied on small mounting plate for dismantling, inspection and assembly practice., bearing with shaft assemblyteaching unit with shaft 25 35 mm dia mounted in housing with deep groove ball bearings (6205 / 6206 class) at both ends; includes locking arrangements (circlips, lock nuts, covers). designed for repeated removal, cleaning, lubrication and refitting of bearings, with provision to mount on bench or test rig., coupling unit using driving and driven shaft plumber block bearing unit1. the plummer block housingmaterial: cast iron (grade fg 200 or equivalent). type: sng or snl series (split-type housing).sealing: felt seals or v-ring seals (to demonstrate lubrication retention).lubrication: provided with a grease nipple at the top center for manual lubrication practice.2. the bearingtype: self-aligning ball bearing (1200 series) or spherical roller bearing (22200 series).bore diameter: standard 25mm or 30 mm (ideal for lab scale).mounting: adapter sleeve mounting (h-series) to teach students how to lock a bearing onto a smooth shaft.3. shafting and couplingshaft material: ground carbon steel (en8 or en9) for high surface finish.coupling type: * flexible coupling: to demonstrate the bearings ability to handle slight misalignment.rigid flange coupling: to demonstrate traditional direct connection.driving/driven setup: one shaft connected to a small electric motor (driving) and the other to a brake drum or load (driven)., spring test machine load & displacement sensing load cel * capacity: 0 10 kno accuracy: 1% fs (better if 0.5% fs) displacement sensor * lvdt / digital encodero accur

CTN :45444502

11 Jun, 2026 NA

Arantangi - Tamil Nadu

Tender For purchase of lab equipments for department of ece - single output regulated variable power supply (as per notice invaiting tender), dual output regulated variable power supply (as per notice invaiting tender), function (signal) generator(as per notice invaiting tender), dc voltmeter each (as per notice invaiting tender), dc ammeters (as per notice invaiting tender), eliminator transformer (stepdown) (as per notice invaiting tender), moving coil microphone (as per notice invaiting tender), decade resistance box (as per notice invaiting tender), decade capacitance box (as per notice invaiting tender), decade inductance box(as per notice invaiting tender), 8051 micro controller trainer kit (as per notice invaiting tender), embedded trainer kit (using lpc2148)(as per notice invaiting tender), auto transformer (as per notice invaiting tender), temperature measurement trainet kit (as per notice invaiting tender)

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