Tender For corrigendum : supply of supply of gaskets, o ring, teflon, washer, bushing seal, teflon tape,flex-kwik, devgun putty,supply of materials as per is standard for complete epoxy painting single coat primer double coat paint of each transformer,bucholz relay,mog,breather with silica gel,oil temperature indicator,winding temperature indicator,pressure relief valve,ht bushing,lt bushing,neutral bushing,octc,prismatic gauge,wti ct,aircell,complete marshalling box with all new parts,radiator valves,hv turret ct,lv turret base plate,support insulator,radiator,hardware,site overhauling charges for 12.5mva transformer,oil testing from nabl approved lab
Tender For supply of electrical and electronics tools of mechanical department (fsd lab) - supply electrical and electronics tools of facility for skill development lab of mechanical department - supply electrical and electronics tools of facility for skill development lab of mechanical department, fixed and variable power supply:dc, (0 30) v & (0 10) a, power supplydual output: 2x (0-30v/3a), 5v regulated, linear, lcr meter: 10 khz, variable isolation transformer: 500 va, clamp multimeter: 600 a, 4000 w, digital multimeter: 2000 counts, electrical wiring practices kit for basic electrical connections for fuses, miniature circuit breakers and distribution box.specifications: as per tender notice, electrical wiring practices kit for electrical connections for lightings including incandescent bulb, fluorescent tube and led, fan and calling bell with switches, fuse, connecting wires and mcb., electrical wiring practices kit for electrical connections for motors & uninterruptible power supply. specifications: as per tender notice, dual channel 30mhz oscilloscope specifications: as per tender notice, function generatorspecifications: as per tender notice, plc-sie1 with demo panel (vplct-01sl) 8 di (24v), 4 do (24v), 256 timers/counters, 400 memory blocks, ethernet, 8 spdt switches, 4 leds, ic 565 (pll) 5v-12v supply, 500khz frequency, 14-pin dip, ic 555 (timer) 4.5v-15v supply, 200ma output, 8-pin dip, ic 741 (op-amp) 10v to 22v supply, 14-pin dip (100 pcs each), lm723 (regulator) 3-37v output adjustable, 40v max input, bc547 (transistor)45v vce, 100ma ic, npn, 1n4007 diode 1000v piv, 1a forward current, 9.1v zener diode 9.1v, 1w power dissipation, breadboard mb102 (830 points) quality mb102 solderless, phosphor bronze nickel plated spring clips, high quality, 20-29 awg wire compatible, color coordinates, resistor values: 1k, 4.7k, 5.6k, 6.8k, 10k, 33k, 47k, 100k, 1m ohm,10m ohm 1/4w carbon film 5% (50 each ), inductor 5mh, 10mh, 20mh, 50mh ferrite core, 2a current, 5% tolerance10 each), capacitor electrolytic values: 1uf, 10uf, 22uf, 47uf, 100uf, 25v/50v radial(20 each), capacitor film/ceramic values: 0.001uf, 0.01uf, 0.1uf, polyester/ceramic, 50v/100v(30 each), bc107 npn transistor vce=50v, ic=100ma, gain=200, to-39 package, basic logic gate ic 7400 (nand), ic 7402 (nor), ic 7404 (not- hex inverter), ic 7408 (and), ic 7432 (or), ic 7486 (xor), ic 74266 (xnor), ic 7411 (nand 3-input) quad 2-input gate, 14-pin dip, ttl logic (10 each), combinational circuit ic specifications: as per tender notice( 5 each), ic 7490 (bcd counter) decade counter/divider, 14-pin dip, ic 74154 (demux) 4-line to 16-line decoder/demultiplexer, 24-pin dip, ic 74ls76 (dual jk flipflop),16-pin dip
Tender For corrigendum : ot-60/2025-26 of se/gcc-ii - additional estimate for supply and erection ms flat (65x10)mm for earthmat,ms flat (50x8)mm for earth raiser ,supply of 33kv ct junction box and 22kv pt insulator for enhancement of 110/33kv power transformer capacity from 1*16mva to 1*25 + 1 x16 mva at pillaipakkam 110/33-11kv ss in sriperumbudur operation circle.
Tender For corrigendum : supply & installation of marshalling box with accessories for station service transformers and unit service transformer of unit 3 to 5 at switchyard, ukai, tps.(et-6083 switchyard)
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 auction sale of sox lamp fitting-35 w,scrap line matching unit-bpl,scrap puncom epbax panel with following cards,scrap_dcdb panels with outgoing switch, aluminum bus bars,420 kv areva make cvt,420 kv abb make cvt,scrap 420 kv current transformer marshalling box,scrap- 420kv isolator with single e/s including structure etc),scrap- 420kv isolator with double e/s including structure,ballast for 125/150w hpsv lamp,electronic scrap including plcc cards.(e-waste),electrical scrap(annunciation pcb-hvw set 1, coil assembly 24v-dg set ea 1 etc,scrap 11kv current transformers,scrap 09kv lightening arresters,empty helium gas cylinder- 47litre,scrap printer-((scrap printer cartridge-canon 331(e-waste),scrap manlift engine oil with drum,scrap- 420kv isolator mom box,scrap- 420kv earth switch mom box,relays-(micro mho relay-rrq61001111--16)-1no, etc,coupling device for plcc-bpl,bus bar insulator grip - 90 nos,single throw switch 16a,diesel engine m/s ruston & hornsby ltd, 192 hp
Tender For auction sale of scrap current transformer,scrap marshalling box (10 nos cts box- 880 kg),scrap aluminium cable,areva 400 kv cvt,336 kv las polymer type,ferrous scrap-m s old fence and ffph boxes,pipes, tor steel, angles,empty oil drum,scrap window ac voltas,scrap ac split,scrap battery solar battery-46nos, diesel generator set battery-2 nos, lead acid-4 nos,gi scrap,scrap transformer/engine oil with drum (209ltr),porcelain disc insulator,scrap copper cable- bits and piece- armoured,scrap aluminum cable- bits and piece- armoured
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