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Tender For bid to ras corrigendum : supply of electrical engineering equipment d d - to study characteristics of dcgenerator , to study load test on dc shunt motor and plot the following characteristics of the motor with data acquisition system with software , to study load test on dc series motor , to study load test on dc compound motor , to obtain efficiency of a dc shunt machine using swinburns test and to obtain speed control of dc shunt motor using armature resistance control and field resistance control , to study single phase transformer setup , to study three phase squirrel cage induction motor setup with data acquisition system with software , to study single phase induction motor setup , to study dc shunt motor three phase ac generator setup , study parallel operation of three phase alternator using dark lamp method and bright lamp method and synchroscope and auto synchronization , test the performance of synchronous motor at different load condition to see the effect of variation of excitation and power factor likev and inverted v curve ) /bid number : gem/2025/b/6723896 * /dated: 14-10-2025 & & / bid document 1 / 17
Tender For complete rewinding and repairing of armature and commutator for drag line d.c. generator (drag generator no- 1) applicable of 7820 dragline.
Tender For supply and installation of laboratory items i) rheostat (ii)pm assisted synchronous reluctance motor and encoder-generator with coupling and foundation etc (iii) 4ph -sic inverter with dsp c2000 controller-5kw - supply and installation of laboratory items for rheostat specification:200.00 ohm, 5a, withwooden base, terminal connection andvariable sliding point, supply and installation of laboratory items for pm assisted synchronousreluctance motor (separately excited dcgenerator) specifications: (5hp,230/460v,10.5 / 5.3a, base speed-1500 rpm)and encoder (512/1024ppr)-generator (5hp, 180- 220v dc)with coupling and foundation etc, supply and installation of laboratory items for 4ph -sic inverter with dsp c2000controller-5kw specification: input power:3-phase, 415 v ac, 50 hz, 4-wiresystem, maximum dc bus voltage: 800vdc ,output power: up to 10 kwphase current capability:70 a rms @ 25 c, 50 a rms @ 100 c,power devices: sic mosfet-based 3-phase bridge (detailed technical specifications of all the above items as per nit doc chapter 8 enclosed with this notice)note:1. make/model of all items should be clearly mentioned in your bid.2. latest & valid authorization certificate from manufacturer should be enclosed along with your offer. 3. in the event of a work-order, performance security @ 5% of the work order value is to be submitted.4. in the event of purchase order, training should be imparted to five officials of the institute for one day at purchasers site.5. the bidder has to submit emd of rs 17,000/- with technical bid and mse bidder shoulb submit declaration certificate as per annexure 3.
Tender For supply of set up required to determine the armature and field resistance of dc machine and open circuit characteristics ie occ of dcgenerator. , set up required to calibrate a test moving iron ammeter and a dynamometer wattmeter with respect to standard ie dc pmmc ammeter and voltmeters , set up required for verification of superposition and thevenin s theorems with dc source only , set up required for measurement of current, voltage and power in r l c series circuit excited by single phase ac supply. , set up required for open circuit and short circuit test on single phase transformer , connection and starting of a three phase induction motor using direct online dol or star delta starter , connection and measurement of power consumption of a fluorescent lamp and voltage current characteristics of incandescent lamps. , two wattmeter method of measuring power in three phase circuit resistive load only , connecting cords pvc insulated, stranded copper conductor single core flexible cable