Tender For providing and fixing 11/0.433 kv, 250 kva, distribution transformer with lightning arrestor and automatic power factor control (apfc) at iilm, kanke, ranchi.subwork/packages:providing and fixing 11/0.433 kv, 250 kva, distribution transformer with lightning arrestor and automatic power factor control (apfc)
Tender For corrigendum : supply of single phase induction motor , three phase squirrel cage induction motor , three phase squirrel cage induction motor , slip ring induction motor , three phase sq. cage induction motor , three phase alternator , stepper motor , ac servo motor , dc servo motor , single phase transformer , three phase transformer , current transformer , potential transformer , dc motor series , dc motor shunt , dc motor with provision of assembling and dismantling practice , variac , load bank , inductive load bank , capacitive load bank , clamp on meter , dol starter , star delta starter manual , automatic star delta starter , three phase sq cage induction motor , ceiling fan , table fan , choke , trainer board for assembling and dismantling of dol starter star delta starter different control circuits with all protection devices etc , voltage stabilizer step controller , ohms law kit , superposition theorem kit , thevenin theorem kit , maximum power transfer kit , scr kit , diac kit , power transistor and igbt , scr r and rc triggering circuits , ujt triggering techniques , class a b c turn off circuits , class d e f turn off circuits , single phase half controlled full wave rectifier using resistive load , fully controlled full wave rectifier , diac and triac phase control circuit , simulation software , microprocessor kit , verification of truth table for logic gates experimental board , microcontroller , full adder , flip flops , asynchronous counter , digital to analog converter experimental board , half adder , semiconductor diode , half wave rectifier , transistor , full wave rectifier , rc phase shift oscillator , clipping and clamping circuit , fet , zener diode , cro , discrete component kit , function generator , multipurpose probes , rc coupled amplifier , baising circuit , potential divider baising circuit , emitter follower circuit , hartley oscillator ) /bid number : gem/2025/b/6895318 * /dated: 19-11-2025 & & / bid document 1 / 52
Tender For supply of 3 phase power measurment trainer kit , battery charger , battery for inverter , inverter , earth leakage circuit breaker, single phase , phase sequence indicator , phase sequence indicator , portable digital ammeter , portable digital energy meter , portable digital multimeter , portable digital wattmeter single phase , portable frequency meter , portable moving iron ammeter , portable standard energy meter , three phase lamp load , rs flip flop , t flip flop , multiplexer and demultiplexer trainer kit , parallel operation of alternator , dc series motor , single phase transformer , sepratly excited dc generator , tachometer , synchronous generator , portable digital earth tester , portable digital power factor meter three phase , digital power factor meter single phase , portable digital wattmeter three phase , portable lcr meter , digital flux meter , thermistor kit , lvdt trainer kit , digital clip on meter , analog megger , portable moving iron voltmeter , portable wattmeter , thermocouple trainer kit , digital breakdown voltage testers , inverse time over current relay induction type , earth leakage relay , fuse and mcb testing kit , inverse time over current static relay , display board different wires and cable , display board - different switches , digital megger , single phase power measurment kit , dol starter , electric drill kit , soldering gun kit , motor coil winding machine , dc shunt motor- shunt generator set , dc shunt motor -series generator set , dc motor alternator set , squirrel cage induction motor , slip ring induction motor , single phase capacitor start motor , three phase transformer , variac three phase , stroboscope , synchronous motor 3 phase , kirchhoffs law verification kit , portable digital power factor meter , rlc circuit trainer kit , study of self and mutual inductance measurment trainer kit , dc regulated power supplies , trainer board to study chopper , trainer board to study dual converter , trainer board to study cycloconverter , study of mosfet trainer kit , scr based lamp intensity control , 8085 microprocessor trainer kit , micrcontroller trainer kit , model cut section of refrigerator , cut section model of air conditioner , portable digital lux meter , resistance welding machine 3 phase power measurment trainer kit : 3 phase power measurment trainer kit by using ct (100-50-20-10/5a), pt(400-220/110v) and 3 phase wattmeter, battery charger : scr based automatic 12 v, ac input voltage 230 v, output dc voltage 0-12 v, 0-2 ampere rating provided with voltmeter, ammeter of suitable range, battery for inverter : tubullar lead acid battery min 180 ah, inverter : pure sine wave inverter of rating 1500 va or more, compatible with one 12 volts battery and noiseless operations. , earth leakage circuit breaker, single phase : single phase two pole 230v, 25a, 50hz, 30ma sensitivity, earth leakage circuit breaker, single phase : three phase four pole 400/415v, 25a, 50hz, 30ma sensitivity, phase sequence indicator : phase sequence indicator suitable for 50v-500v ac from 25-55hz, phase sequence indicator : rating 30 sec,500v,burden 15 va, voltage 50-500v, portable digital ammeter : 0-10 a ac, portable digital ammeter : 0-10 a dc, portable digital energy meter : 1-phase 2 wire, 240v, 5a, portable digital multimeter : 3. 5 digit, 1000v ac & dc, 0. 1 mv ac voltage //bid details2 / 72resolution, portable digital wattmeter single phase : digital wattmeter, 4. 5 digit led display, single phase, 230v, 50 hz,0-15a, portable frequency meter : digital, 4 digit led display frequency meter suitable for use on 230 v ac main supply range 20-99 hz, portable frequency meter : vibrating reed type 230 v, having 21 reed 40-60 hz. abs body, portable frequency meter : moving coil type, portable housed in phenolic moulded body with antiparallax mirror. scale and knife edge pointer, range 40-60 hz, 230 v, portable moving iron ammeter : 0-5 ampere ac ammeters portable moving iron, 150 mm uniform scale with
Tender For corrigendum : provision of bpac and double distant signal in badnera chandur bazaar section on bhusawal division - schedule (a) -provision of bpac & double distant signal in bd-cndb section on bhusawal division., supply of relay rack assembly complete with scaffolding, fixtures and accessories including ms bars for fixing of relay plug board, string rods, fuse strips with bracket, 11 way bus bars with cover and mounting brackets, runway for cable/wires, frame, base assembly etc. siemens type & as per extant practice on c. rly. typical part list and rack arrangement as per sketch no sk-727 and rack plan as approved by engineer incharge. (inspection by consignee), supply of tag blocks 200 / 160/120 way with polycarbonate cover as per irs s 77-2006 (rev 1 ) rdso drg. no sa 24751, sa 24752 & sa 24753 requirement of each type shall be specified by engineer incharge .(inspection by rdso), supply of main cable termination rack complete with scaffolding, fixtures & accessories including square bars for mounting 8-way terminal blocks, ladder, string rods, frame, base assembly, insulators, j bolt, nut/bolts & fasteners, backelite sheet, etc. siemens type and as per extant practice on central railway. typical part list and rack arrangement shall be as per sketch no. sk-727 with latest alterations. (inspection by consignee), supply of pvc indoor cable 1x60x0.6mm dia colour coding of insulation of inner core shall be in six colour viz blue , red , grey ,green, brown and black conforming to irs 76/89(amdt 3) or latest. (inspection by rites), supply of pvc indoor cable 1x 40x0.6mm dia. colour coding of insulation of inner core shall be in eight colour viz blue, red, grey, green, brown, black, yellow & white. conforming to irs 76/89 (amdt 3) or latest. (inspection by rites), supply of pvc indoor cable 1 x 24 x 1 mm dia. colour coding of insulation of inner conductor shall be in eight colour viz blue,red,grey,green,brown,black, yellow & white.conforming to irs 76/89 (amdt 3) or latest. (inspection by rites), supply of indoor jumper wire of various colour as per railways standard practice of type atc 1 x 0.6 mm dia. conforming to irs 76/89 (amdt 3) or latest.(inspection by consignee), supply of indoor jumper wire atc 1 x 1 mm dia. conforming to irs 76/89 (amdt 3) or latest. (inspection by consignee), supply of pvc flexible copper cable, single core, multi strand 1x2.5 sq mm(50 conductor each dia 0.25 + /- 0.01) as per specn is 694/2010 with latest amendment. if any with insulation thickness of 0.70 mm nominal conductor resistance 7.98 ohms /km and test parameters are as per irs (s)76/89 (amdt .3). (inspection by consignee), supply of pvc flexible copper cable, single core, multi strand 1x10 sq mm(80 conductor each dia 0.40 + /- 0.01) as per specn is 694/2010 with latest amendment. if any with insulation thickness of 1.00 mm nominal conductor resistance 1.91 ohms /km and test parameters are as per irs (s)76/89 (amdt .3). (inspection by rites), supply of wire 16/0.2(blue,red,gray,yellow,brown,black,white as per site engineer instruction)finolex/polycab/delton make.irs:s-76/89(amd.3),bs:4808 part-2.wire to be procured from rdso approved vendor (inspection by consignee), supply of transformer 230v/110v-130v single phase 1 kva as per spec. irs s-72/88 (amd.2) with latest amendments. (inspection by rdso), supply of transformers rectifier unit 110v ac/24v dc 500ma as per specn.no.cr/s&t/91-12. (inspection by rdso), supply of battery charger self regulating floor mounting type with 230 v ac single phase input and output 24v dc, 30a as per spec. irs.s.86/2000 (amd.1) with latest amendments for axle counter applications (amd.4). (inspection by rdso), supply of automatic changeover for individual supply automatic changeover unit of signal/track/dc circuit supply of 32a, ac/dc consisting of 3tc 44 contactors, led lamp,push button, terminals,vsr,polarity switches. as per rly.drg-sk-841/1-5 for ips supply to mannual discrete e
Tender For corrigendum : supply of 5000 v insulation tester , decade resistance box , hv testing kit 250 kva ac , 3 phase portable transformer turns ratio and vector group meter , port. digital dc resistance meter , portable high current digital micro ohm meter , port. prim. and sec. curr. injection test , portable automatic earth tester , univ microproc based relay testing kit , multi mtr digital portable , digital frequency meter , digital sound level meter , digital tachometer non contact type , digital tachometer contact type , cable fault location set , testing kit for calibrating the digital energy meter , sf6 gas leak detector , hydrogen gas leak detector , vacuum measurement meter , portable light intensity lux meter , portable circuit breaker motion analyser , thermal imaging camera , portable high voltage live line detector , tong tester , portable phase seq continuity indicators , dc leakage analyser , standard tool kit , relay tool kit , hv discharge rod and portable earthing equipment , hot stick upto 400 kv , multimeter analog,portable , portable digital ammeter ac , portable digital ammeter dc , portable digital voltmeter , portable dc earth fault leakage reactor , auto-transformer variac single phase , auto-transformer variac three phase , rheostat 50 ohm , 5a , rheostat 250 ohm , 1a , rheostat 1000 ohm , 1a , potential trf test set kit , crimping tool hand operated , crimping tool power operated , lcr meter bridge , battery impedance test equipment , ac clamp adapter , bench top digital multimeter , natural frequency tester , elcid- elec mag core impern detn kit , function generator , multifunction instrument calibrator , power quality analyser , meter test bench , surge comparison tester , sweep frequency analyser //bid details 2 / 50
Tender For corrigendum : annual work contract for routine breakdown and capital maintenance works of rectifiertransformers and esp controllers at 2x660mw csctpp chhabra
Tender For provisioning of electrical and mechanical eqpt against ber under ge 862 ews - supply, installation, testing and commissioning of serve controlled voltage stabilizer (confirming to bis 9815 (part-1) 1994, reaffirmation 2019 latest version) three phase, four wire (rybn), 50 hz, naturally oil cooled, outdoor, unbalanced type, cooper wound, metallic body duly power coated with lifting hooks two nos, digital display type, relay free smooth and silent operation with 1st filling of transformer oil up to level having following specification:-(a) capacity 300 kva (b) type - suitable for unbalanced load and unbalanced input(c) input voltage -360v-480v, input frequency 50 hz (d) output voltage - stabilized at any deigned/ desired voltage 415/+-1% (e) rated frequency - 50 hz(f) wave form distortion - nil (g) response time - not to exceed 20 milli seconds(h) sensitivity - (+/-) 1% (j) rate of correction - not less than 6 volt/second between phase and neutral (k) efficiency - more than 95% (l) type of load - three phase, unbalanced type(m) metering - digital display voltmeter/ammeter with multi-functional meter (n) operating temperature - for indoor use upto max ambient temp + 55 c (o) dimmer rating - 450 amp (p) dimension of tanks - as per oem design(q) oil capacity- as per oem design , (r) class of insulation - class f (s) mode of operation automatic/manual (t) winding temperature rise - max 55 c (10 c above operating temp) (u) transformer oil -is 335 marked (v) core-crgo m4 grade/crno (cold roll grain oriented)/ (cold rolled non-oriented)(w) auto transformer (variac) -100 percent copper wound electrolytic grade(x) losses - as per is norms (y) power factor - not less than 0.95(z ) protection - (i) over load protections (ii) short circuit protections (iii) high/low voltage cut off (iv) by pass arrangement in case of emergency (v) single phase sequence change /phase fail protection (vi) earth fault protection(aa) standard fitting & accessories e.g marking plate, lifting lugs, ci rollers, earthing terminals, cable box including suitable platform as reqd on site complete all as as specified & directed., supply, installation, testing and commissioning of serve controlled voltage stabilizer (confirming to bis 9815 (part-1) 1994, reaffirmation 2019 latest version) three phase, four wire (rybn), 50 hz, naturally oil cooled, outdoor, unbalanced type, cooper wound, metallic body duly power coated with lifting hooks two nos, digital display type, relay free smooth and silent operation with 1st filling of transformer oil up to level having following specification:-(a) capacity 100 kva (b) type - suitable for unbalanced load and unbalanced input(c) input voltage -360v-480v, input frequency 50 hz (d) output voltage - stabilized at any deigned/ desired voltage 415/+-1% (e) rated frequency - 50 hz(f) wave form distortion - nil (g) response time - not to exceed 20 milli seconds(h) sensitivity - (+/-) 1% (j) rate of correction - not less than 6 volt/second between phase and neutral (k) efficiency - more than 95% (l) type of load - three phase, unbalanced type (m) metering - digital display voltmeter/ammeter with multi-functional meter (n) operating temperature - for indoor use upto max ambient temp + 55 c (o) dimmer rating - 150 amp (p) dimension of tanks - as per oem design(q) oil capacity- as per oem design , (r) class of insulation - class f (s) mode of operation automatic/manual (t) winding temperature rise - max 55 c (10 c above operating temp) (u) transformer oil -is 335 marked (v) core-crgo m4 grade/crno (cold roll grain oriented)/ (cold rolled non-oriented)(w) auto transformer (variac) -100 percent copper wound electrolytic grade(x) losses - as per is norms (y) power factor - not less than 0.95(z ) protection - (i) over load protections (ii) short circuit protections (iii) high/low voltage cut off (iv) by pass arrangement in case of emergency (v) single phase sequence change /phase fail protection (vi) earth fault protection(aa) standard fi