Tender For supply of vcb spares c c - 22 point 5 dia indicating lamp led type 110v nvcbp0024 , 3 point 3 kv 3 amps p point t point fuse nvcbp0044 , epoxy fibre glass housing nvcbv0010 , 96 sq mm ammeter up to 0 300 and 600a ctr 30 nvcbv0015 , 96 sq mm voltmeter 0 5kv ptr 3 point 3kv and 110v nvcbv0017 , earth leakage relay nvcbv0035 , limit switch nvcbv0074 , auxiliary switch assembly 4no plus 4nc nvcbv0002 , tpn d 2 o and c plus 1e and f idmt high set o and c set nvcbp0028 , resin cast and core balance transformer nvcbp0036 , current transformer 3 point 3 kv grade resin nvcbp0042 , jaw contact 630amp complete 18 x 6mm nvcbv0009 , ammeter selector switch nvcbi0018 , voltmeter selector switch nvcbi0019 , contact element nc nvcbp0027 , contact element no nvcbp0026 , mlushroom head push button nvcbi0020 , auxillary contactor nvcbp0039 , tnc switch for electrically operated vcb nvcbp0032 , push button with element for start stop nvcbp0031 , 3 point 3kv grade resin cast potential transf nvcbp0041 , 3 point 3kv grade resin cast current transfor nvcbp0043 ) /bid number: gem/2025/b/6944825 * /dated: 02-01-2026 & & / bid document1 / 25
Tender For madurai division - provision of auxiliary transformer and associated trd arrangements for interlocking of lc gates in ten-tsi-bjm, vpt-tsi and ten-tcn sections
Tender For madurai division - provision of auxiliary transformer and associated trd arrangements for interlocking of lc gates in mdu-mnm, mnm-vpt, mnm-rmm and kkdi-mnm sections
Tender For madurai division - provision of auxiliary transformer and associated trd arrangements for interlocking of lc gates in dg-plni-poy and tpj-kkdi-pngi sections
Tender For corrigendum : erection of 11kv dp structures using a poles erection of 250kva station auxiliary transformer supply and installation of 20w and 40w led flood light fittings laying of cables for lighting etc.
Tender For corrigendum : supply of spares for 02 nos float and boost chargers for 220 vdc and 48vdc battery bank at power house c c - 16a ammeter selector switch for main input current selection , 16a voltmeter selector switch for main input voltage selection , 10a tp ac 2 way without off auto or manual mode selection for float and boost chargers , 16a sp dc 2 way without off switch for floatrectifier or load bus and boost rectifier or battery voltage selector switch , 16a sp ac 2 way without off auto c or o mode or manual boost mode selection for charger , 10a tp dc 2 way without off for boost charging of battery set 1 or 2 selection , 225a dc coil operated emergency contactor coil 220v dc auxi 1no , 185a dc coil operated contactor for boost charging battery set 1 coil 220v dc auxi 2 nc , 63a dp dc on or off switch for load isolation , 40a dc coil operated emergency contactor coil 48v dc auxi 1no , 65a dc coil operated contactor for boost charging battery set 1 coil 48v dc auxi 1 nc , filter capacitor for ripple suppression for float and boost chargers rating 100 v 2200 uf , dc to dc convertor 48v dc to 24 v dc 5 amps , 4 channel relay boards for contact multiplication of card mounted protection relays , electronic card module for avr and current limit for float charger auto and manual mode , electronic card module for avr and current limit for boost charger auto and manual mode , electronic card module for float and boost rectifier fuse fail and filter fuse fail , protection module for various fault detection and annunciation , blocking diode for float and boost charger rating 70a i avg piv 800 for fcb mode on k3 heat sink , 80 percent blocking diode stud type rating 70a i avg piv 800 on k3 heat sink , latching resistor for rectifier. 250 ohms 50 watts for float and boost chargers , 10k 1w potentiometer for auto or manual voltage adjust in float charger , 10k 1w potentiometer for auto or manual current adjust in boost charger , 2ph control transformer for power supply of avr cards prim 415 v sec 16 0 16 v ac 400ma , 3ph control transformer for synchronising of avr cards. pri 415 v sec 16 0 16 50ma , 3ph control transformer for ac u or v pri 415 v 3 phase sec 0 16 vac 1 phase 250 ma , 2 0fi control transformer for fan control supply prim 415 v 2 phase sec 190v ac 50va , scr stud type 70a with heatsink loose module only , diode free wheeling stud type 70a with heatsink loose module only , digital ac ammeter 48 x 96 sq mm class 1 ct ratio 25 or 1a auxiliary voltage 24v dc , digital ac voltmeter 48 x 96 sq. mm class 1 range 0 500v ac auxiliary voltage 24v dc , digital dc ammeter for float boost chargers and 80percentage cell tap 48 x 96 sq mm class 1 75mv dc with shunt auxiliary voltage 24v dc , digital dc voltmeter 48 x 96 sqmm class 1 range 75mv dc auxiliary voltage 24v dc , digital dc charge or discharge ammeter for battery 48 x 96 sq mm class 1 range 75mv with shunt auxi 24v dc , transportation charges for material
Tender For corrigendum : supply, erection, commissioning and testing of igbt based 3-phase drivepropulsion equipment with physical medium i.e. esd/emd/ofg for multi-functional vehicle bus (mvb) as per iec 61375, terminal bracket, bus bar link and cu braid required for connection between main transformer and traction converter, auxiliary converter, interfacing connectors, cables and cable loom required for connection from vcu 1/2 to sb1/2 panel. as per specification no. i)rdso/2008/el/spec/0071, rev.5 for igbt based 3-phase drive propulsion equipment, ii) clw/es/3/0458 alt.e or latest for control cables iii) clw/es/3/0459 alt.c or latest for screenedcable iv) clw/es/3/0124 alt.o or latest. the detailed scope for erection isenclosed at annexure-a. note: -the scope shall also include the removal of allexisting gto-based equipment, viz. burs, srs, and vcus etc., directly related to the provision of the igbt-based 3-phase drive propulsion system withphysical medium, as required for the integration of the new equipment. thedetailed scope for erection is enclosed at annexure-a. associated equipmentremoved during the replacement from gto to igbt shall be refitted (as per thesite engineer's guidelines), as necessary, to ensure proper functioning of the igbtpropulsion system. the firm shall ensure that, upon completion, the propulsionsystem is fully functional in all respects. all works and accessories necessary toachieve this objective, whether explicitly mentioned herein or not, shall be deemedto be included in the scope.(documents attached)
Tender For augmentation of ohe auxiliary transformer(at) supply arrangements in connection with replacement of existing pi by ei(indoor and outdoor) in ajj-jtj section of chennai division .
Tender For supply, erection, commissioning and testing of igbt based 3-phase drivepropulsion equipment with physical medium i.e. esd/emd/ofg for multi-functional vehicle bus (mvb) as per iec 61375, terminal bracket, bus bar link and cu braid required for connection between main transformer and traction converter, auxiliary converter, interfacing connectors, cables and cable loom required for connection from vcu 1/2 to sb1/2 panel. as per specification no. i)rdso/2008/el/spec/0071, rev.5 for igbt based 3-phase drive propulsion equipment, ii) clw/es/3/0458 alt.e or latest for control cables iii) clw/es/3/0459 alt.c or latest for screenedcable iv) clw/es/3/0124 alt.o or latest. the detailed scope for erection isenclosed at annexure-a. note: -the scope shall also include the removal of allexisting gto-based equipment, viz. burs, srs, and vcus etc., directly related to the provision of the igbt-based 3-phase drive propulsion system withphysical medium, as required for the integration of the new equipment. thedetailed scope for erection is enclosed at annexure-a. associated equipmentremoved during the replacement from gto to igbt shall be refitted (as per thesite engineer's guidelines), as necessary, to ensure proper functioning of the igbtpropulsion system. the firm shall ensure that, upon completion, the propulsionsystem is fully functional in all respects. all works and accessories necessary toachieve this objective, whether explicitly mentioned herein or not, shall be deemedto be included in the scope.(documents attached)