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Isolation Transformer Tenders

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Bid Submission Date Range
Tender Value

State Government

CTN :42539567 Due date: 08 Dec, 202508 Dec, 2025 7.60 Lacs
Tender For corrigendum : supply, installation, testing and commissioning of testing equipment, measuring equipment and machinery, transformer oil storage tank

Central Government/Public Sector

CTN :42381189 Due date: 02 Dec, 202502 Dec, 2025 NA
Tender For bid to ras bid to ras tender for supply of critical electrical items : :turns ratio kit , contactresistance/windingresistance kit , leakage current tester/mamps current tester , bdv(100kv) , insulation tester 5kv , insulation tester 10kv , primary injection kit , 3ph secondryinjection kit m, variable ac suply (0-230v ac) , variable dc supply(0- 110-v dc , clamp-onmeters/multimater , tools , timing test , thermography inst. , high pot testing (for11kv cables,) , fault locator , dga for transformer oil

CTN :42988822 Due date: 09 Dec, 202509 Dec, 2025 NA
Tender For supply of online ups d d - moduler ups 5. 5 kva with isolation transformer , 65 ah smf battery , fabricationof ms stand , link cable , mcb , cable 10 sqrmm , old ups shifting

CTN :42996771 Due date: 12 Dec, 202512 Dec, 2025 NA
Tender For supply of acb testing calibration service , ammeter voltmeter meter calibration and testing , thermal relay testing and calibration , earth fault relay testing , over current relay testing , auxilliary relay testing , instantaneous relay testing , ht cable ir testing , lt cable and motor ir testing , rubber mat testing , vcb testing , calibration of multimeter , calibration of clampmeter , calibration of earth tester , calibration of megger , calibration of lux meter , calibration of fluke ir thermometer , battery load test 16 cells , battery load test 32 cells , transformer oil , transformer oil tesing and filtration , tramsformer ir pi test , tramsformer oti wti calibration , tramsformer dfra test , tramsformer partial discharge test , tramsformer sfra test , tramsformer tan delta test , transformer vector group test , transformer polarity test , dga test of transformer oil ) /bid number: gem/2025/b/6950854 * /dated: 01-12-2025 & & / bid document1 / 26

CTN :42998355 Due date: 11 Dec, 202511 Dec, 2025 NA
Tender For supply of isolation transformer (q2)

CTN :42991612 Due date: 03 Dec, 202503 Dec, 2025 NA
Tender For refurbishment of existing 33/6.6 kv,s.o mva power transformer, with complete dismantling, packing at work site, rewinding of coil, transportation up to factory site, testing at factory, transportation up to work site with transit insurance, re-erection ,topup with new oil ,testing & commissioning complete at shirsai lift irrigation scheme,shirsufal taibaramati

Central Government/Public Sector

CTN :42956361 Due date: 26 Dec, 202526 Dec, 2025 61.87 Lacs
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

Central Government/Public Sector

CTN :42651140 Due date: 05 Dec, 202505 Dec, 2025 30.00 Lacs
Tender For corrigendum : maintenance and repairs / renewal of lt isolation transformer, servo stabilizers and lt acbs / mccbs and allied works under ge (af) bidar

CTN :42972082 Due date: 09 Dec, 202509 Dec, 2025 NA
Tender For supply of isolation transformer single phase

CTN :42954482 Due date: 08 Dec, 202508 Dec, 2025 NA
Tender For providing of custom bid for services - routine electrical maintenance of depot,custom bid for services - transformer oil filtration,custom bid for services - transformer oil parameter testing,custom bid for services - thermography testing of panel,custom bid for services - testing of relays,custom bid for services - ir testing of hand gloves,custom bid for services - testing, servicing & maintenance of acb,custom bid for services - testing, servicing & maintenance of vcb,custom bid for services - third harmonic testing of la,custom bid for services - ir & pi of ht cable vcb-xmer,custom bid for services - ir & pi of lt motors & cables,custom bid for services - hv testing of insultation mat,custom bid for services - wti & oti inspection & testing,custom bid for services - battery load test,custom bid for services - servicing of air conditioner,custom bid for services - gas refilling in ac upto 2 ton,custom bid for services - relay coordination survey
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