Ct Pt Tenders

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State Government

CTN :39615997

15 Mar, 2025 14.08 Lacs

Rohru - Himachal Pradesh

Tender For tender for providing sop to lwss sungri phase-vi (stage-ist) near existing lwss scheme khanola stage-ist for 74.14 kw load by providing new 100 kva, 22/0.4 kv s/stn alonwith ct/pt unit lt line in (e) section summerkot under electrical sub di

State Government

CTN :39565718

10 Mar, 2025 1.51 Lacs

Udhampur - Jammu And Kashmir

Tender For providing and fitting of essential items and allied material for snow clearance operation at nathatop sanasar road - supply, testing and commissioning of 48v smps float cum boost automotive battery charger with moveable trolley stand for snow operation at nathatop - sanasar roadgeneral technical requirements for battery charger suitable for 48v vrla type battery1.) type -float & float cum boost charger for vrla type, full wave, full controlled type. 2. ) ratings- 15 a float cum boost for 48v, 150 ah vrla type battery 3. ) ac input- i) voltage 415 vac 10%ii) frequency 50hz 5% iii) phase 3 - phase 4.) d.c.output voltage settings -nominal float fc 48/54.5v (adj. by + 20%, - 5% bc 48/66.5v (adj. by + 2%, - 5%) 5.) output current limit 15a 15a 6. ) power conversion ac to dc by means of three phase full wave, half controlled bridge rectifier consisting of thyristors and diodes. 7.) voltage regulation at bridge output. + 1% of set value for + 10% input voltage variations, 0-100% load variation. 8. ripple voltage less than 3% rms without battery connected. 9. efficiency more than 80% at full load 10. protections (a) input side ac input mccb & elbs with input on/off switch and fuses, contactor (b) output side dc output mccb with output on/off switch and fuses. (c) protection current limit protection, soft start feature, surge suppressor. fast semiconductor fuses for rectifier bridge. (d) control circuit fuses (e) capacitor circuit rectifier hrc fuses. (f) over-voltage cut-back (g) charger over load / short circuit (h) blocking diode 11. controls and switches followings controls and switches are provided in the system 1 ac input source mccbs with interlocking 2 dc output mccb 3 auto/manual float/boost mode selector switch. 4 float and boost voltage variable potentiometers. 5 manual voltage adjustment potentiometer 6 test push button 7 reset push button 8 battery current adjustment potentiometers 9 heater s power supply switch 12. features the following features are provided in the systems: 10 soft start on dc side 11 class-f insulation for all magnetic 12 automatic voltage regulation. 13 automatic changeover from float to boost and vice versa based on current, drawn by battery. 14 filter circuit to eliminate ripple. 15 charger current limit 16 separate battery path current limit. 17 built-in auto phase reversal of operation. 13. meters f.c. b.c. (i)input voltmeter (i) common (ii) input ammeter (ii) input ammeter (iii) output voltmeter (iii) output voltmeter (iv) output ammeter (iv) output ammeter. battery volt meter battery ammeter earth leakage ammeter 14. indications phase on lamps (ii) output on lamp a)phase on lamps (ii) output on lamp. (iii) charger on float led (iv)charger on boost led. 15. annunciation with audiovisual alarms. (i) ac input mains failure (ii) input phase failure (iii) ac under voltage iv) input phase failure v) rectifier fuse failure vi) output fuse failure vii) filter fuse failure viii) dc under voltage ix) dc over voltage x) charger trip xi) capacitor fuse fail xii) output mccb tripped xiii) charger over load xiv) earth leakage xv) dc earth fault xvi) alarm supply fuse failure xvii)battery low condition. v) rectifier fuse failure vi) output fuse failure vii) filter fuse failure viii) dc under voltage ix) dc over voltage x) charger trip xi) capacitor fuse fail xii) output mccb tripped. note : all the alarms shall be provided through electronic display cards. audio alarm through buzzer, visual indication through 10 mm leds & alarm ackn. / reset and led provision is through push buttons. 16. operating ambient temperature surrounding the panel 00 to 500 c 17. surrounding the panel relative humidity. 0-95% non-condensing 18. panel (i) protective grade (ii) cooling (iii)paint ip 42 natural air-cooled smoke grey of iss-692 shade a) average winding temperature rise over ambient temperature b) insulation class c) insulation breakdown voltage. as per relevant iss. f 3 kv for 1 min withstand. 19. cables 1100 v

State Government

CTN :39615097

17 Mar, 2025 NA

Tehri Garhwal - Uttarakhand

Tender For installation of ct-pt,isolator,breaker,expansion of yard and related work of the yard in 33/11 kv sub-station ghansali under edd tehri .

corporations/Associations/Others

CTN :39620337

10 Mar, 2025 NA

Meerut - Uttar Pradesh

Tender For auction sale of 11 kv pt damaged,11 kv ct/pt damage

corporations/Associations/Others

CTN :39620338

10 Mar, 2025 NA

Meerut - Uttar Pradesh

Tender For auction sale of 11 kv ct/pt damage,33 kv ct damage

corporations/Associations/Others

CTN :39620340

10 Mar, 2025 NA

Meerut - Uttar Pradesh

Tender For auction sale of 33 kv ct damage,33 kv pt damage,33 kv ct/pt damaged

corporations/Associations/Others

CTN :39620341

10 Mar, 2025 NA

Meerut - Uttar Pradesh

Tender For auction sale of 33 kv ct/pt damaged,megger damaged,battery charger scrap

corporations/Associations/Others

CTN :39620345

10 Mar, 2025 NA

Meerut - Uttar Pradesh

Tender For auction sale of battery cell u/s 12 v,batterery set 24v damage,ups battery scrap 600 va,ups battery scrap 3 kva,11 kv fuse set,11 kv cubical without ct/pt

corporations/Associations/Others

CTN :39620346

10 Mar, 2025 NA

Meerut - Uttar Pradesh

Tender For auction sale of 11 kv cubical without ct/pt,metering cubical box,11 kv metering cubical,old vcb pannel,old vcb machine scrap,11 kv vcb damage,other item brunt vcb scrap,old vcb panel scrap

corporations/Associations/Others

CTN :39620357

10 Mar, 2025 NA

Meerut - Uttar Pradesh

Tender For auction sale of battery cell u/s 2v & 6v,battery cell u/s 12v scrap,11 kv ct damaged scrap,11 kv pt damaged scrap,11 kv ct-pt damaged scrap

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