Latest current transformer repair Tenders | Government current transformer repair Tenders

CTN :45417602

10 Jun, 2026 NA

Tiruvallur - Tamil Nadu

Tender For supply of lab items for eee and mechanical - eee and mechanical lab items, single phase transformer rating: 1 kva, 50 hz input: 230 v ac output: 115 v ac type: air-cooled, single-phase step-down transformer properly insulated input and output terminals brought out for safe operation, three phase transformer type: 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 use bench/floormounted suitable for laboratory operation. all winding terminals shall be brought out to insulated terminals and enclosed within a protective outer cover for safe laboratory operation , on / off control of lamp using solid state relay kit 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 , mcb elcb trainer kit 1 phase/3 phase, 2/3/4 pole, 3a-16a single pole mcb 2-5amps two pole elcb 30ma lamp load single phase 5amps panel enclosure and terminal outlets , single phase induction motor kit for load test by speed control of vfd (variable frequency drive) 2 hp single phase 230v complete load test experimental setup(with brake drum/pulley) induction motor -1 no work bench setup with digital meter -1 no motor stand with ant vibration bush 1 set loading arrangement with spring balance non-vibrating brake arrangement with stand and electrical work bench , 3 phase induction motor kit three phase squirrel cage induction motor with rope brake arrangement non-vibrating brake arrangement with stand and electrical work bench three phase squirrel cage induction motor 5 hp, 440 v, 1440 rpm, foot mounted type, frame size 132 mm, core length 110 mm, mechanical rope loading set up with 1" screw rods 2 nos, 6" adjustable wheels 6" 2 nos, back support frame, 9" aluminium drum, 0 50 kg spring balances 2 nos , dc shunt motor kit for load test dc shunt motor rope brake arrangement non-vibrating brake arrangement with stand and electrical work bench d.c. shunt motor 5hp, 220v, 1500 rpm, foot mounted type, frame size 132 mm, core length 110 mm, field current 0.5a, armature current 11a, 4 pole with inter poles, mechanical rope loading set up with 1" screw rods 2 nos, 6" adjusting wheels 6" 2 nos, back support frame 9" aluminum drum, 0 50 kg spring balances 2 nos. , bldc motor kit with electrical work bench *36v 400w bldc pro motor 1 no inbuilt volt and ammeter and rpm meter inbuilt power supply input 230v ac

CTN :45175471

08 Jun, 2026 NA

Billimora - Gujarat

Tender For corrigendum : supply of bi facial solar panel 550 watt , topcon solar panel 610 watt , cut section of gate valve,globe valve,ball valve,diapharm valve,needle valve,check valve,safety valve,butterfly valve,pnematic control valve 4 inch diameter , cut section of centrifugal pump,gear pump,multistage c f pump,reciprocating pump,screw pump , cut section of shell and tube heat exchanger acrylic material , cut section of reactor with accessories motor,agitatot,support leg,nozzle,manhole,baffels,thermo well,bottom valve , gauge manifold with gauges different size of hoses for r134a,r22,r32 and r 410 , wash bag cover jacket for ac service indore 1 point 5 ton,2 point 5 ton capacity , safety belt, industrial type full body protection double rope double hook,100 kg human weight , embroidery machine , brake test arrangement with two spring balance 0 to 25 kg rating , automatic motor coil winding machine with step arbor , three phase variable auto transformer ac varic 3 phase , 0 to 440v, 25a, 50 hz , synchronous motor, with accessories , vfd ac drive ac motor drive with vvvf control 3 phase , single phase transformer, core type, air cooled,1 kva,240 or 415 v,50hz , stepper motor with digital controller , bipolar , 12v dc , input pulse 5v, step angle 1 point 8 , power supply 230 v ac , oprating condition 0 to 40 deg c , bldc motor fan with controller 40 watt , servo motor with contoller 300rpm,12v dc,6mm dia and 15mm legth shaft ,holding torque 30kg cm,no load current 0 point 8 amp,full load current 7 point 5 amp , electrical test bench integrated with 0 to270v ac variac 25a ) /bid number : gem/2026/b/7525454 * /dated: 13-05-2026 & & / bid document 1 / 20

CTN :45413370

12 Jun, 2026 NA

Multi City - Andhra Pradesh

Tender For 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 :45384463

08 Jun, 2026 NA

Nagapattinam - Tamil Nadu

Tender For supply of eee dep upgradation & loboratories - eee dep upgradation & loboratories, transformer oil bdv test kit, loading rheostat three phase, single output regulated dc variable power supply, dual output regulated dc variable power supply, function(signal)generator, digital ic trainer kit with breadboard, dc voltmeter, dc ammeter, decade resistance box, decade capacitance box, decade inductance box, 8051 micro controller kit, half wave &full wave rectifier kit

CTN :45386599

15 Jun, 2026 NA

Tuticorin - Tamil Nadu

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

CTN :45386617

06 Jun, 2026 NA

Vellore - Tamil Nadu

Tender For ece lab items dept use - eliminator transformer (step-down) kitinput - 220v - 240v ac, 50 hz, output-2v to 12v dc, 0-2 a ripple: 5mv, strain gauge trainer kitmetal foil strain gauge mounted on beam/cantilever strain measurement under applied load wheatstone bridge arrangementsignal conditioning and amplification circuitinstrumentation amplifiers, 3 digit display of strain / output voltage zero and gain adjustment controlsprovision for applying calibrated loads regulated power supply, 230 v ac, 50 hz table-top trainer with labeled paneltest points to measure the signalsbuilt in power supplies and wooden closed cabinet supplied with patch cords and experiment manual, 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., sim reader trainer kitsim compatibility supports 2g 3g 4g lte sim cards,sim reader mode: reading writing gsm sim card data, imsi, ki codes, phonebook interface usb 2.0 or rs 232 serial port for pc communication.clock frequencies: selectable frequencies 3.579 mhz, 7.159 mhz, 14.318 mhz for sim card operation.power supply: onboard smps 12v 2a or 5v dc with overload protection. hardware components:6-pin or 8 pin sim card socket.led indicators for power, sim reset, and data activity.optional lcd 128x64 and keypad 20 keys for standalone operation. software tools support for at commands gsm etsi 07.0707.05, sim manager utilities, and data logger functionality. common trainer kit featuresfault simulation ability to create faults e.g., sim not detected, vcc failure for troubleshooting.test points: multiple test points e.g., 55 nos for observing signals sim rst, clk, i o via oscilloscope.construction tested glass epoxy pcb, often housed in a study educational case., dual output regulated dc variable power supplydual 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, lvdt sensor 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, dc digital voltmeter - 3 digit led/lcd display, measurement range: 0 20 v dc, accuracy: class 0.5( 0.5 % full-scale), dc ammeter digital - 3 digit led/lcd display, measurement range: 0 5 a dc, accuracy: class 0.5 ( 0.5 % full-scale)

CTN :45379134

10 Jun, 2026 NA

Arakandanallur - Tamil Nadu

Tender For for electrical and communication engineering department lab equipments are required as per new syllabus - upgradation of labarotariesece department, 8051 micro controller kit operating voltage: +5 v dc. flash memory: 4 kb (at89c51) / 8 kb (at89s52). ram: 128 bytes internal ram. 16 2 alphanumeric lcd display. push buttons / tactile switches. dip switches for digital input. inbuilt adc interface: ldr, potentiometer. inbuilt dac interface. inbuilt stepper motor driver with stepper motor. inbuilt dc motor driver with dc motor. 1 4 led array, 1 4 keypad, 1 relay. 1 buzzer, 16 2 lcd display, 1 pwm driver. 1 hardware interrupt key, inbuilt rtc. inbuilt eeprom and uart module. 4 7-segment display. supports both assembly and c language programming. pc interfaceable., single phase induction motor1 hp, 230 v ac, 1500 rpm with loading arrangement 1 no.voltmeter: (0 300) v ac, 96 96 mm with input terminals 1 no.ammeter: (0 10) a ac, 96 96 mm with input terminals 1 no.wattmeter: 2 kw, 96 96 mm with input terminals 1 no.power factor meter: 96 96 mm with input terminals 1 no.auto transformer: 0 300 v, 1 variac 1 no.mcb: 2-pole, 40 a / 230 v ac 1 no.digital rpm indicator with proximity sensor 1 no.aluminium brake drum: 230 mm diameter 1 no.spring balance: (0 25) kg 02 nos.circuit diagram printed on front panel with instruments and connecting terminals.motor and loading arrangement mounted on rigidchannel frame with anti-vibration mounting pads, m12 1.5 bolt & nut, 85 mm dia 4 nos.mild steel powder-coated electrical panel tablesetup., auto transformerinput: 230 240 v ac, 50 hz.output: variable (0 270) v ac.rating: 1 kva.insulation class: class f / class h.construction: copper winding with carbon brush arrangement.mounting: bench-top / panel type.protection: suitable fuse / overload protection., dth trainer kitpower supply: 200 v to 240 v ac, 50 hz. dish antenna: 1.5 ft aluminium steerable dish antenna.lnb (low noise block down converter): input frequency: ku-band. output frequency: 950 mhz to 1450 mhz. conversion gain: 65 db. noise temperature: 35 k (max).set-top box receiver in trainer form: if frequency: 70 mhz. video bandwidth: 50 hz to 5 mhz. video output level: 1 vpp at 75 load. video polarity: normal/inverted, switch selectable. audio subcarrier frequency:tunable from 5.0 mhz to 8.0 mhz. remote control provided. hdmi cable: 10 m. controls: channel selection. volume control. fault simulation: five built-in simulated faults for troubleshooting experiments. if signal disconnected. video output fault. audio mute fault. tuner misalignment. rf output interruption. pcb size: 15" 12" with multicolour section-wise block diagram.standard accessories: 1.5 ft dish antenna. lnb. trainer pcb. dish connecting wire. audio-video cable. user manual. acrylic cover. hardware materials for assembly of dish antenna. additional features: dth subscription connection with doordarshanfree channels., sim reader trainer kitpower supply: operates on 230 v ac 10%, 50 hz mains supply. built-in regulated smps power supply. operating dc supply: 5 v / 12 v with overload and short-circuit protection.sim card interface: supports gsm sim cards compatible with 2g / 3g / 4g / 5g networks. sim card read/write interface. supports sim card initialization, authentication, and communication functions. compatible with standard 6-pin / 8-pin sim card sockets.communication interface: usb 2.0 interface for pc communication. rs-232 serial communication interface. uart communication facility for embedded system interfacing.sim operating parameters: selectable sim clock frequencies: 3.579 mhz 7.159 mhz 14.318 mhz sim supply voltage selection facility. sim reset and activation control. supported protocols and standards: gsm etsi 07.07 and etsi 07.05 at command support. iso/iec 7816 smart card communication support. sim communication command monitoring facility. hardware features: on-board sim card socket. led indication for: power status sim detection reset activity data transmission/r

CTN :45366554

11 Jun, 2026 NA

Dharmapuri - Tamil Nadu

Tender For purchase of eee equipments for power system laboratory - purchase of eee equipments, pt trainer kit* variable ac voltage source of 0-220vac & variable ac current source of 0-25a consists automatic trip timer by dspic33ch controller* autotransformer for voltage/current adjustment with mcb protection* test current transformer 25/5a test voltage transformer (pt) 220/110v ac* all to be mounted on a panel with diagram engraved stickered front panel with digital ac voltmeter & ammeterprovision for measuring ratio error of ct & pt, ct trainer kit* variable ac voltage source of 0-220vac & variable ac current source of 0-25a consists automatic trip timer by dspic33ch controller* autotransformer for voltage/current adjustment with mcb protection* test current transformer 25/5a test voltage transformer (pt) 220/110v ac* all to be mounted on a panel with diagram engraved stickered front panel with digital ac voltmeter & ammeterprovision for measuring ratio error of ct & pt, insulator string trainer kittypically custom lab demo kit for high-voltage insulator strings; specs vary (mechanical + electrical stress testing), isolation transformer230v ac, 3kva single phase isolation transformer with suitable metal covering, banana connection and rolling arrangements

CTN :45363421

12 Jun, 2026 NA

Sivaganga - Tamil Nadu

Tender For purchase of equipments ( s.no 1 to s.no 2 ) for eee department - purchase of equipments, 3 phase power rectifier3 phase power rectifier 100a (motorized) cubicle panel type 440 v ac, 3-phase input / (0 300 )vdc variable output 3-phase isolation transformer-20kvathyristor rating: current rating: 300 a piv rating: 1500 vsuitable heat sink arrangement provided- 6-pulse fully controlled bridge rectifier using scrs overload protection and necessary panel instruments (ammeter,voltmeter) with motorized dimmer statand automatic controlshort-circuit protection,thermal protection,emergency stop., single phase single pule sinusoidal pwm inverter using mosfet / gbt kittype : single phase pwm inverter trainerpower device : mosfet / igbt based inverter circuitinput supply : 12 24 v dcoutput voltage : 30 v rms acoutput phase : single phaseoutput frequency: 0 50 hz variableoutput power : 100 wsingle pulse pwm operationsinusoidal pwm (spwm) operationvariable frequency controlpwm generation and firing control circuit inbuiltgate driver circuit provided test points provided for waveform observation and analysisbuilt-in resistive load provisionsuitable for dismantling and reassembly

CTN :45363405

12 Jun, 2026 NA

Tiruchirappalli - Tamil Nadu

Tender For supply of equipment items - , "acidity test kit-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 ", "3-phase capacitor bank rating: 2 kvar voltage: 440 v ac frequency: 50 hz heavy duty self-healing capacitor units powder coated ms enclosure compact panel mounted/floor mounted construction proper ventilation arrangement to be provided capacitor duty contactor/switch to be provided fuse/mcb protection to be provided discharge resistors to be provided for safety proper earthing arrangement provided ", "linear variable differentialtransformer measurement trainerspecifications: input supply : 230 v ac, 50 hz type : linear variable differential transformer (lvdt) trainer kit lvdt stroke length : 25 mm led display provided digital voltmeter provided for output measurement potentiometer provided for calibration and adjustment signal conditioning circuit inbuilt zero adjustment and calibration facility provided test points provided for waveform/signal observation clearly labeled circuit diagram on front panel proper insulated terminals and safety sockets provided "

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