Latest tap changer scrap Tenders | Government tap changer scrap Tenders

CTN :45413370

16 Jun, 2026 NA

Multi City - Andhra Pradesh

Tender For corrigendum : supply of 1250kva,415v/0-470v,1600amps per phase, 3-phase variable auto transformer or variac or dimmerstat for conducting hv test(forward charging) at dr. nttps

CTN :45541202

23 Jun, 2026 NA

Chennai - Tamil Nadu

Tender For purchase of tanche - lab equipments for eee and ece department - purchase - lab equipments for eee department electronics lab, single phase to single phase cyclo converter kit single-phase bridge cycloconverter power devices: scr/triac based input supply: 230 v ac, 50 hz step-down isolation transformer 230 v / 12 v output: 12 15 v ac, frequency: 0 25 hz (adjustable),firing angle control circuit and frequency control circuit to be provided built-in resistive load, terminals to be brought on ms panel with necessary symbols and circuits, pwm based step down dc chopper using mosfet/igbt kitpwm based step-down dc chopper (buck converter) power device : power mosfet / igbt based switching circuit input supply : 24 v dc to 110 v dc or derived from 230 v ac mains through rectifier unit output voltage :(0 to vin) variable dc output current : up to 5 a dc maximum with suitable load resistor (r load) pwm duty cycle control provided pwm generation and control circuit inbuilt gate driver circuit provided, single phase single pulse / sinusoidal pwm inverter using mosfet/igbt kittype : 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 driver circuit provided test points provided for waveform observation and analysis built-in resistive load provision, on / off control of lamp using solid state relay kittype : 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 motortype : variable frequency drive (vfd) module input supply : 415 v ac, three phase, 50 hz output : three phase variable voltage and variable frequency ac output 1 hpthree phase squirrel cage induction motor415 v ac 50 hz &1440 rpm control technique : pwm / spwm based control frequency range : 0 50 hz variable digital display for frequency and operating parameters start / stop and forward / reverse control, acceleration and deceleration control facility powder coated ms control panel tabletop / floor mounted laboratory type setup clearly labelled circuit diagram and control switches proper insulated terminals and earthing arrangement, purchase - lab equipments for eee department electrical machines lab, three phase transformertype: three phase transformer, rating: 3 kva input voltage: 415 v ac, 3-phase, output voltage: 230 v ac, 3-phase frequency: 50 hz winding material: copper wound insulation class: class b or higher duty: continuous duty suitable for laboratory usebench/floor, dc stepper motor drive kit with stepper motorinput supply : 230 v ac, 50 hz 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 with printed circuit diagram proper insulated terminals and interconnecting leads to be provided patch chords for interconnection., dc servo motor drive kit with servo motorinput 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 contr

CTN :45345533

18 Jun, 2026 10.15 Lacs

Lalpur - Gujarat

Tender For corrigendum : supply of bending machine conduit pipe , bus bar with brackets 1 mtr , cctv camera kit , ceiling fan coil winding machine , conduit pipe cutting and threading machines , control panel , digital multi meter , discrete component trainer , dmx controller 512 , ev charger home 1 phase input , ev charger 3 phase input , file half round 2nd cut 250 mm with handle , file round 2nd cut 150 mm with handle , knife switch dpdt fitted with fuse terminals 16 amp , knife switch tpdt fitted with fuse terminals 16 amp , ladder - tower 3 meters on tyre wheels - min 10ft - max. 30ft , lux meter lcd read out 0.05 to 7000 lumens with battery. , magnetic flux meter , mallet barwood , meter reading instrument mri , potential transformer 415 v, 50hz, pt ratio, 440v.110v,10va , power factor meter digital , primary current injection set , rcc pole with accessories , rechargeable battery 12v,100ah , rubber mat , single phase transformer , single phase variable auto transformer , smart meter 3 phase - smart energy meter , soft starter , solar dc pump 1 hp , solar panel with battery 18 watt , solar street light , solar traffic light , solid state solar base single phase energy meter , spanner d.e. set , tachometer analog type - 10000 rpm , three phase transformer , wheat stone bridge ) /bid number : gem/2026/b/7576252 * /dated: 27-05-2026 & & / bid document 1 / 40

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 :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 :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

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