Latest automatic voltage regular repair Tenders | Government automatic voltage regular repair Tenders

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 :45346460

04 Jun, 2026 NA

Vellore - Tamil Nadu

Tender For supply of eee lab items dept use - 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 mounted 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 , dc stepper motor driver 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 driver kit with servo motorinput voltage 12 - 24v, dc, 5a, 10-60rpminput 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 loadrating: 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 induction motor with load arrangement 5hp ,230v, 1400 rpmsingle phase, 2hp,230v,1440 rpm with dol starter loading arrangement and electrical workbench mechanical rope with aluminum brake drum loading with adjustable wheels - 2 no s 0-50 kg spring balance - 2 no s electrical panel board with workbench -cupboard with door. panel board- with proper internal wiring& terminals insulated necessary symbols of motor and starter, fuse, supply indicators to be provided and printed on panel board -digital rpm indicator with proximity sensor to be provided -required number of digital ammeter , three phase synchronous motor with electrical workbench 3-phase synchronous motor with electrical workbench and loading arrangement , rating: 5 hp voltage: 440 v ac, 50 hz speed: 1500 rpm (synchronous speed), induction start using damper winding, suitable starter panel, dc supply (0 220 v dc adjustable (variable dc control) within the panel),and necessary workbench electrical panel board with workbench -cupboard with door. panel board- with proper internal wiring& terminals insulated necessary symbols of motor , starter, exciter, fuse, supply indicators to be provided and printed on panel board -digital rpm indicator with proximity sensor to be provided -required number of digital ammeters and voltmeters for motor to be provided on panel board. , synchronizing panelthree phase, 415v, 15a synchronizi

CTN :45351357

04 Jun, 2026 NA

Pudukkottai - Tamil Nadu

Tender For supply of lab equipments - purchase of lab equipments, acidity test kitspecifications: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, single phase resistive loadspecifications:type: single phase loading rheostat power rating: 5 kw supply: 230 v ac, single phase, 50 hz total number of load steps: 8 approximate dimensions: 18 18 22 inches (l b h) comprising electrical load resistors suitable for laboratory loading applications resistors shall be special cement-insulated type mounted on powder-coated ms panel/enclosure individual on/off rotary switches provided for load selection mounted on rubber wheels/casters for portability, three phase resistive load specifications: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, three phase capacitor bank specifications: 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, 3 phase auto transformer starter specifications: 3-phase variable autotransformer input: 415 v output: 0 470 v ac (continuous) current: 15 a copper wound, carbon brush type heavy duty toroidal/core construction mounted in powder coated ms/crca enclosure front panel mounted voltage control knob with scale indication proper insulated terminals provided floor/bench mounted type suitable for laboratory use input / output terminal arrangement provided mcb/fuse protection provided proper earthing terminal provided ventilation arrangement for heat dissipation, 3 floor lift interfacing model specifications: type: table-top lift model floors: 3 levels structure: transparent acrylic / ms frame cabin: moving lift car with guide rails drive: dc geared motor / stepper motor motion: up/down movement, floor indication leds (1, 2, 3) direction indicators (up/down), start & stop atevery stage, over load limit control three-floor lift operation plc interfacing and programming floor selection logic automatic stopping at floors direction indication system educational demonstration of elevator automation, mcb elcb trainer kit specifications: 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, signal generator specifications: frequency range: 0.1 hz to 5 mhz. display: 4 to 6 digit led display output waveforms: sine, triangle, square, pulse, ramp. amplitude: 0 20 vp-p. rise time: 100 ns. distortion, dso specifications: bandwidth: 50 - 100 mhz. sampling rate: 1gs/s. channels: 2 (minimum) power supply: 100v 240v ac, 50-60 hz automatic measurement: vpp, vavg,rms, frequency, period, vmax, vmin, rise time, fall time, + width, - width, +duty, - duty etc., horizontal scale: 5 ns/div 50 s/div or equivalent vertical 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 equivalent communication interface: usb host, usb interface. 7-inch color display or equivalent input impedance - 1 m 2%, // 20 pf 2 passive probes (1x/10x), pwm based

CTN :45048307

08 Jun, 2026 NA

Tarapur - Maharashtra

Tender For : 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 spares for diese

Central Government/Public Sector

CTN :45013030

25 May, 2026 NA

Mumbai - Maharashtra

Tender For supply and testing of traction transformer complete with cooling system and accessories likeht cable along with protection shield in passenger compartment and underframe area, thermostate etc related protection equipment and with 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 suitable for 3 phase medha igbt propulsion system for 25 kv ac icf make memu rakesto rdso specification no rdso/pe/spec/emu/0096-2008(reve4) of december 2009 with icf annexure no icf/memu/0096-02(rev.0)make siemens [ warranty period: 30 months after the date of delivery ]

Central Government/Public Sector

CTN :45047757

14 May, 2026 79.73 Lacs

Faizabad - Uttar Pradesh

Tender For supply of "operation of baggage handling system ( both arrival and departure ) by engaging following minimum man power. a) electrician cum operator/ technician - skilled - 04 nos ( all days including weekly offs & holidays).b) skilled - 01 no. for data entry & other miscellaneous work (in general shift for six days in a week )note- contractor has to provide reliever on weekly offs / holidays of above required staffs except for sl. no. b) ", supply of red outer lens for rwy end light suitable for existing airfield ground lighting system (agl) complete as required .( existing light fixture is of vardhman make ), supply of green outer lens for rwy threshold light suitable for existing airfield ground lighting system (agl) complete as required .( existing light fixture is of vardhman make ), supply of yellow filter for runway edge light suitable for existing airfield ground lighting system (agl) complete as required .( existing light fixture is of vardhman make ), supply of 200w, 6.6/6.6a halogen lamp pk30d(64382 hlx-c) make - osram or equivalent suitable for existing agl/ cat-i fittings complete as required ., supply of isolating transformer of 200 watts, 6.6a/6.6a, 5kv, 50 hz suitable for existing agl/cat-i light fixtures complete as required. , supply of wind socks (cloth) for wdi(white/red) suitable for existing sgs make wind sock., supply of 360 degree outer clear lens for runway edge light fitting suitable for existing light fixture of vardhman make., supply of clear spreader lens for approach light fitting suitable for existing light fixture of vardhman make., supply of clear lens for papi suitable for existing papi system of vardhman make., supply of 2cx 4 sqmm. annealed tinned copper conductor pvc insulated pvc sheathed unarmoured flexible afl secondary lead up to voltage garde 1.1 kv conforming to relevant is up to date ammendment complete as required., supply of minimum 9 w led type aviation obstruction light in red colour having die-cast aluminum housing with red polycarbonate dome for better illumination, integral driver, ingress protection - ip65 (make- bajaj or equivalent as approved by eic), supply of 30 w movable led flood light (yellow colour) (make - philips , type - bvp102 30 or equivalent) complete as required at site., supply of 150 a, 1000v, 50 sq. mm terminal block suitable for mounting on din rail suitable for existing panel complete as required at site., supply of led driver of 80w, 25 v suitable for existing airfield signage board (make-electrosystem) installed in operational area complete as required at site., supply of 15 w led suitable for existing taxiway light fitting of vardhman make complete as required at site., supply of electronic driver suitable for existing 15 w led taxiway light fitting of vardhman make complete as required at site., supply of mnx 70 type 3 pole power contactor having ac-3 duty, 70a rating, ac1 -100 a rating, coil voltage- 230v ac, suitable for lighting switching applications, panel mounting, conforming to conforming to is/iec 60947-4-1 etc. complete as required., supply of isi marked, heavy duty, rigid pvc conduit, size- 25 mm dia, confirming to is 9537 (part 3) complete as required at site., supply of national flag of size 9144 mm x 6096 mm as per bis specification no is 1-1968 latest complete as required at site. , "supply of 18 mtr length tri-colour led rope light having transparent pvc type body material, ip65 protection, smd led strip as per lm 80/is16106, conforming to is 10322 and suitable for operation on 240 v, 50 hz single phase power supply complete as and when required. (make-philips/halonix/crompton/bajaj/osram) ", providing and fixing of temporary decorative lighting in tri-colors of national flag with led series lighting at terminal building and main gate of ayodhya airport having uniform spacing of between two rows is not to be more than 0.30 mtr for a continious three days on the occassions of republic day/independence day/diwali/new year including

Central Government/Public Sector

CTN :44892654

04 May, 2026 1.60 Lacs

Koriya - Chhattisgarh

Tender For corrigendum : providing and fixing of wti, oti and protection system of protection system of power transformer installed at 33kv main receiving substation and katghodi substation of substation of churcha mine (ro).

Central Government/Public Sector

CTN :44661282

12 May, 2026 NA

Ghaziabad - Uttar Pradesh

Tender For corrigendum : 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 ]