Tender For supply of 100 va stepdowntransformer 750/110 v ac h-class insulation with 02 nos. o f 2 amp fuses on both primary and secondary with appropriate dimension suitable for lh b non-ac coaches, confirming to rcf spec. no. edts-355 rev. 1 amndt. 2 or latest . [ warra nty period: 30 months after the date of delivery ]
Tender For bid to ras corrigendum : providing of repair and overhauling service - repair of rectifier; repair of rectifier; yes; buyer premises,repair and overhauling service - repair of frequency convertor; repair of frequency convertor; yes; buyer premises,repair and overhauling service - repair of ac dc gpu; repair of ac dc gpu; yes; buyer premises
Tender For supply of repair for rewinding of complete alternator,repair of bearing,repair of bearing sleeve,repair of avr,repair of rectifier plate,repair of diode plate
Tender For supply of relay 12v,ignition switch,rear wheel brg,rectifier plate,speedometer head,field coil,alternator pulley,radiator repair kit,relay,bush set,regulator special repair 60,clutch plate,solenoid switch,alternator fan belt,side mirror,door lock,gear lever bracket,bearing,mounting pad
Tender For providing of custom bid for services - service contract for overhauling of 200kva diesel generator set at lova garden and repair of 1200a gouging rectifier
Tender For corrigendum : custom bid for services - repair and maintenance of ac modules dc modules and various pcbs of all departmental drilling rigs of ongc tripura asset-work includes but not limited to supply of men, materials, testing equipment / tools etc for fault finding (trouble shooting), repairing, calibration and functional testing of ac modules, dc modules and various pcbs in e1400 series drilling rigs of tripura asset. broad details of the activities to be carried out are as below: a. following jobs are to be carried out in pcbs i. physical checking of healthiness of components & cleaning of the pcbs. ii. checking of voltages at different points in the pcbs after powered up through simulator. iii. replacement of faulty components, limited to 50% cost of the pcb, to make it operational. iv. calibration of pcbs v. on load testing of 12 hrs. continuous loading for satisfactory operational vi. fixing of pcbs in the respective panels b. following jobs are to be carried out in ac module i. visual inspection of module for any loose hardware & cleaning of the module. ii. checking of circuit by using simulator. iii. checking of over frequency tripping. iv. checking of under frequency level. v. under frequency voltage cut back test vi. idle-run ramp and idle trip test vii. throttle regulation check viii. master slave and command circuits check ix. current demodulator check x. automatic voltage regulator check xi. meter circuit check xii. over voltage trip check xiii. reverse power trip check xiv. frequency demodulator check xv. module panel meter check xvi. replacement of faulty components, limited to 50% cost of the ac module, to make it operational. xvii. on load testing of 12 hrs. continuous loading for satisfactory operational xviii. fixing of ac modules in the generator panel c. following jobs are to be carried out in dc-module i. visual inspection of module for any loose hardware & cleaning of the module. ii. dead band and current limit calibrations iii. zero throttle interlock circuit test iv. firing circuit test v. speed feedback circuit test vi. power limit circuit test vii. slave circuit test viii. manual voltage circuit test ix. over current trip calibration test x. meter circuit check xi. replacement of faulty components, limited to 50% cost of the dc module, to make it operational. xii. on load testing of 12 hrs. continuous loading for satisfactory operational xiii. fixing of dc modules in the dcpcr panel d. following jobs are to be carried out in battery charger i. visual inspection and cleaning of components such as transformer, voltmeter, ammeter, pcbs, rectifier, indication lamps and tightening of loose hardware, if any. ii. checking of tripping logics, dc under voltage, dc over voltage, reverse polarity, ac mains fail, over current, over temperature etc. iii. replacement of faulty components, limited to 50% cost of the battery charger, to make it operational.-msme exemption - no | startup exemption - no