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Tender For procurement of mech. lab equipments - single phase ac circuit kit for voltage,current and power measurement, mcb elcb trainer kit, single phase induction motor kit for load test by speed control of vfd (variable frequency drive), dc shunt motor kit for load test, stepper motor drive kit, servo motor drive kit, bldc motor kit, digital trainer kit(ic7400,ic7402.ic7404,ic7408,ic7432,ic7486,ic74186, magnetic yoke
Tender For supply, fitment, installation, commissioning and testing of electrical variable voltage variable frequency ac drive rating-15kw/11kw, 3-phase 380-480 vac 50/60 hz, dc power supply: 510-680 vdc (cimr- ad4a0031fma).nominal input current (nd):24 amp. nominal input current (hd): 31 amp. output power rating (nd):15kw.output power rating (hd):11kw.frequency control range: 0-400hz.motor power-15kw/11kw.emc filter class c2 integrated. braking of standstill by dc injection. salient features: operation mode selection ,dc injection braking and short circuit braking ,speed search ,delay timer, pid control ,dwellfunction ,energy saving, acceleration and deceleration times ,slip compensation, torque compensation ,carrier frequency, frequency upper/lower limit torque control ,jump frequency. main control functions: torque control , drop control speed/torque control switch, feed forward control, zero servo control, momentary power,loss ride- thru and speed search, over torque detection, torque limit. speed control range : v/f control 1:40, open loop vector control 1:200, open loop vector control for pm 1:20, closed loop vector control for pm 1:1500, v/f control with pg 1:40 ,closed loop vector control 1:1500, advanced open loop vector control for pm 1:100. output overload tolerance: nd rating: 120% of rated output current for 60s, hd rating: 150% of rated output current for 60 s (derating may be required for repetitive loads).protection design: ip00 open-chassis, ul type 1 enclosure. ambient temperature (open-chassis): 10 to +50 degree celsius. standard compliance: ul508c iec/en61800 iec/en61800-5-1 ,two safe disable inputs and 1edm output according to iso/en13849-1 cat.3 pld iec/en61508 sil2. make: yaskawa /schnieder /abb/siemens/mitshubishi/angel or similar. [ warranty period: 30 months after the date of delivery ][quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]
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
Tender For strengthening of earthmat by providing additional 100x16mm ms/gi flat, 75x12mm ms flat, 75x12mm gi flat, 40mm ms rods and additional new earth pits to minimize /nullify equipment damages during fault periods at 220kv gajuwaka ss under rmi 24-25
Tender For supply of materials and erection for shifting of control room pannel at 33/ 11 kv sub station bharsawa distt. kaushambi under deposit scheme on "semi turnkey basis" under edc, kaushambi - name of work: supply, carriage & erection of materials for control room pannel shifting of shiffting of 33/11 kv s/s bharsawa distt. kaushambi, supply of de-centralised materials, 11 kv 3x120 mm2 xlpe cable jointing kit o/d & i/d, control cable 4x2.5 mm2, control cable 2x2.5 mm2, g.i. pipe 6 " dia, rubber matting, clamp with nut & bosts, earth wire clamp for pcc pole, stay clamp for pcc pole, top channel clamp pcc pole, dropper channel clamp pcc pole, g.i. strip 35x6 mm, carriage of following material, pcc pole 8.5 mtr. long., structure of la, 33kv isolator, 33 kv cts, single t/f control pannel, 33kv vcb,11 kv outgoing. incoming pannel, battery & battery charger and other associated accessiories etc. (availibility at concern store center of store division), erection work, installation of 33 kv single transformer control pannel 2 no., incoming 2 no. and 7 no. outgoing in the switchgear room and grouting the pannel by rag bolt using cement, sand mortar in ratio 1:3. work includs fitting of all accessories in all respect with complete connection of control cable with pannel. all material will be provided by the contractor except vcb and crp., construction of cable trenchs with top cover and laying of control cable for vcb, c.t. & t/f control pannel etc. as per direction of engineer. trenchs to be 12 wide and 9 deep. work includes digging, of trench, concreting of the foundation in the ratio 1:3:6 r.b. wall 9 wide with cement mortar 1:4 and plastering inside the trench in the ratio 1:3 and sand filling in the trench. all material will be provided by the contractor., earthing of 11 kv indoor equipments, switchgears as per resspo drawing. with g.i. strip of size 35x6 mm. g.i. strip fully welded at both ends and to be connected with earthmat,, erection of dp with pcc pole 8.5 mtr long with all accessaries and grouting of the pcc pole with cement, sand and brick ballast ratio 1:4:8 size 0.45x 0.45x 1.5 mtr deep under the ground as per drawing no. res-6.(cement, sand, brick, ballast shall be provided by the contractor.), installation of 24 volt battery and battery charger with cabinet in the switch gear room, by grouting base channel 100 x 50 x 6 x 1000mm. fixing of rag bolt., laying of 11 kv 3x300/3x185/ 3x120 sqmm. xlpe cable by digging 0.75 mtr. deep trench, putting layer of sand in the bottom, ramming it, laying of cable over it rmt and covering the cable from sides and top by laying bricks, finally covering the same by earth and levelling of the same, all the materials, except cable, will be pvovided by the contractor., fixing and termination of outdoor/ indoor heat shrinkable cable boxes of size 3 x300/3x185/3x120 sqmm. xlpe cable. boxes will be supplied by the contractor, sundries ( as per site requirement/emergency work), safe dismantling of 11 kv o/g pannel & received back to store, laying of weasel conductor with the help of aluminium roller by hanging three nos. on each support in a manner taking sufficient care to ensure safety of weasel conductor against rubbing on ground, precaution for safety of crops is also to be taken. the work includes jointing of conductor by providing jointing sleaves, stringing of conductor upto correct sag and binding of conductor with insulators on each support. all material shall be provided by contractor such as jointing sleeve binding wire, armour rod etc.
Tender For supply of set of metal oxide gapless lightning arrestors (02 nos.) for 25 kv ac as per clause no. 4.4 of rdso specification no. rdso/pe/spec/emu/0196-2024 rev.1 (one set per basic unit) suitable for vande bharat/t-18 rake version 2.0. accepted make: m/s medha servo drive private limited -hyderabad only. firm accepted description: set of surge arresters i.e., 1) surge arrester, class-4, 40kv part no. sp675uv2101001 - qty. 01 no, 2) surge arrester, class-3, 42kv, 10ka, part no. sp675uv2101002 - qty. 01 no. [ warranty period: 30 months after the date of delivery ] ]
Tender For supply of servo syngear 460 rr of m/s.ioc or parthan rr 460 of m/s hpcl or balmerol syntrac 460ee of m/s balmer lawrie for ac traction motor drive end/pinion end bearing oil/gear case oil of wap7 locomotives as per amendment no. 04 to technical circular no. rdso/2013/el/tc/0034 (rev-04) dated: 21.07.2008 [ warranty period: 30 months after the date of delivery ][quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]
Tender For corrigendum : supply of servo syngear 460 rr of m/s.ioc or parthan rr 460 of m/s hpcl or balmerol syntrac 460ee of m/s balmer lawrie for ac traction motor drive end/pinion end bearing oil/gear case oil of wap7 locomotives as per amendment no. 04 to technical circular no. rdso/2013/el/tc/0034 (rev-04) dated: 21.07.2008 [ warranty period: 30 months after the date of delivery ][quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]
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