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Tender For purchase for the lab equipment for first year and electrical and electronics dept - purchase of lab equipment for first year department and electrical and electronics department specification (detailed in nit - ), physics lab equipment wheatstone bridge kit, ic regulated battery eliminator, rheostat, chemistry lab equipmentdigital ph meter bench top modelph type microprocessor/microcontroller, electrical and electronics department dso, signal generator, pwm based step down dc chopper using mosfet/igbt kitpwm based step-down dc chopper (buck converter), single phase to single phase cyclo converter kitsingle-phase bridge cyclo converter , single phase single pulse / sinusoidal pwm inverter using mosfet/igbt kit, on / off control of lamp using solid state relay kit, speed control of ac motor using vfd drivemodule with ac motor
Tender For auction sale of depot miscellaneous scrap - scrap e-waste items such as computers, crt monitors, black & white monitors, old tvs, vcrs, lcd tvs, plasma tvs, led monitors, led tvs, routers,, key boards, mouse, copiers, photocopy machines, ups,mike, cpus, empty cpu casings, different types of printers (e.g., dot matrix, inkjet, laser, or only printer casings), fax machines, calculators, cartridges, mobile phones, cameras, microphones, spare computer parts, hand held mega mike, empty computer bodies, in complete or dismantled condition. the lot may also contain other known or unknown e-waste components and these are unsuitable for railway. moef conditions will apply. location: - in godown no - 98/5 lbpl, dbaw, gst-18%, tcs -1% , hsn code-84713010, allocation-20714208, moef condition will be applicable
Tender For auction sale of depot miscellaneous scrap - p.l. no. 98981559 condemned and unserviceable computer / electronic scrap consisting of cpu , mouse, key boards , monitors desktop / led/lcd, printers dot matrix / laser / inkjet , ticket printer (uts) , accounts printer (uts\prs), fois printer and other printers with / without ferrous attachments , projector,server, display units, televisions (plasma / led / lcd), roneo printer , media converter, dax modem, hdmi splitter, all in one pc xerox machines / digital copier machines , rfid card reader ,digital camera , pen drive , memory card, data cards , fax machines , scanners , thin clients, cash counting machine, fake note detector , laptops, note books, drive writer , smps , hard disks, modems, routers, terminal servers , switches , uninterrupted power supply [ups] , stabilizers , similar battery backups with plastic /ferrous body/ battery and other computer / networking allied devices / accessories of sorts and sizes with / without connection wires, terminals , original attachments . as is where is basis. segregation and removal of attachments not permitted. detached plastic/ferrous parts are also included in the lot. cssd / goc electronic weigh bridge to be used for weighment note: (1) special attention is invited to para 12.0 of instructions to purchasers for participating in e- auction and special terms and conditions of southern railway and general conditions relating to the auction sale of railway materials through e- auction. (2) purchaser should submit valid pcb certificate and pass book at the time of delivery.
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 drivemodule 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