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Tender For corrigendum : augmentation of power supply system in n-s corridor,up gradation of negative isolators & dc negative cables in tunnel section from kdmi to kmuk, renovation of kmuk car shed,provision of ets and other related works in north south corridor, automatic short circuiting between 3rd rail and running rail, replacement of old isolator by motor operated isolator, replacement of overaged isolators of noapara depot & kkvs depot,unit protection of rectifier at dum dum tss, rabindra sarobar tss & park street tss, augmentation of power supply system at substations from kshy to kcen & provision of cctv in electrical substations of north south corridor in metro railway kolkata
Tender For bid to ras corrigendum : custom bid for services - lightning protection adequacy study for mdpl locations -job: to assess the risk involved due to lightning strike and to enhance protection of plant structures, tanks, hydrocarbon vent lines etc. and electrical/electronic system against the effects of lightning and switching surges at below mentioned pipeline stations of mundra delhi pipeline
Tender For supply of spares and accessories for capillary rheometer - part no. 5.29.569 tempering jacket barrel system, stainless steel , part no. 5.32.414 air cooling , part no. 5.33.603 air cooling electrical parts , part no. 9.00.1137 additional protection shield , part no. 4.47.1001 replacement support ring +o-ring , part no. 5.32.121 heating upto 400 degree c (dual barrel system) for test barrel set with tempering jacket, stainless steel , part no. 5.29.537 thermocouple , part no. 4.23.828 round hole capillary l/d=20/2 with90 degrees inlet angle 2/3 barrel system d=15mm , part no. 5.29.1206 test piston d=15 with o- ring steel grade 4
Tender For corrigendum : custom bid for services - power system study-operation and maintenance of electrical systems/electrical installations: vendor shall cover minimum following major activities: 1. site visit for data collection, harmonic measurement and kick-off meeting. 2. sld preparation and network modelling in etap software (latest version) 3. load flow study & reactive power compensation analysis to check the adequacy of switchgear rating and every primary equipment such as transformer, cables etc against the maximum running plant load in steady state condition and to provide suggestions for existing system modifications for the reliability and betterment of system. the load flow study shall be performed for the normal and contingency system operating conditions specified by hurl. the load flow study shall also estimate the bus voltage drop across circuits. reactive power profile for the network shall also be analysed and recommendation shall be provided in case of any requirement for capacitor banks. 4. short circuit study to check the adequacy of switchgear rating against the maximum fault current value and to provide suggestions for existing system modifications for the reliability and betterment of system. short circuit study to estimate the maximum phase fault currents at each bus and contribution of fault current from various connected circuits. the study shall provide the values under normal and specific contingency situation provided. the study shall confirm the suitability of the short circuit withstand of the switchgear. 5. unit protection scheme & logic review and protective device coordination study to finalize the relay settings & logics and suggestions for modifications for the reliability and betterment of system
Tender For critical spares (electrical/ electronic /electromagnetic) for newly installed excitation system,cr /ucb panels,governor system,etc - power supply 240w in:100-240vac/dc out: 24-28vdc 10a, avr (p100c-sx), blocking diode module of 120 amps for 10 sec piv 1200v (for field flashing ckt.), anti parallel thristor>1928a for 10 sev piv 800v for over voltage protection., linear discharge resistor 0.252 ohm1928a 312v dc for 5 sec., dc field flashing resistor 2.28 ohm90a for 10 sec., thyristor firing transformer card, crowbar controller-1200v, 1100a thyristor bridge with duty of 1926a for 60 sec., 3 phase diode bridge rectifier 75 amps (for ac field flashing circuit), single phase rectifier 4a1000v, temperature sensor ct, dc isolator-1200a 1no+1nc
Tender For electrical works including eot crane, hvac works and fire protection system associated with construction of deep and shallow water maneuvering and seakeeping basin facility for oe and na department at iit kharagpur.
Tender For internal infrastructure work for communication cell and it cell at 1st and 2nd floors of the g plus 4 storied office building at newtown including civil and electrical items, air-conditioning system, fire protection system and other allied works
Tender For corrigendum : augmentation of power supply system in n-s corridor,up gradation of negative isolators & dc negative cables in tunnel section from kdmi to kmuk, renovation of kmuk car shed,provision of ets and other related works in north south corridor, automatic short circuiting between 3rd rail and running rail, replacement of old isolator by motor operated isolator, replacement of overaged isolators of noapara depot & kkvs depot,unit protection of rectifier at dum dum tss, rabindra sarobar tss & park street tss, augmentation of power supply system at substations from kshy to kcen & provision of cctv in electrical substations of north south corridor in metro railway kolkata