bids are invited for electrical equipment and items dc shunt motor cum separately excited motor with electrical load arrangement 3-ph induction motor ( slip-ring ) with mechanical load arrangement 3-ph induction motor ( squirrel-cage ) with mechanical load arrangement 3-ph induction motor ( slip-ring ) with slip-power energy recovery arrangement. 3-ph induction motor with electrical load arrangement 3-ph synchronous motor with electrical load arrangement, 3-ph virtual grid and synchronizing panel to operate similar set in parallel dc shunt motor cum separately excited motor with mechanical load arrangement dc series motor with mechanical load arrangement 1-ph induction motor ( squirrel-cage ) with mechanical load arrangement 1-ph synchronous motor with mechanical load arrangement transmission line model for parameters evaluation transmission line model for various faults 3-ph 3-level diode-clamped igbt inverter with variable r & r-l load, and freewheeling diode arrangement 3-ph 5-level diode-clamped igbt inverter with variable r &r-l load, and freewheeling diode arrangement 3-ph to 1-ph igbt cycloconverter with variable r & r-l load 3-ph to 3-ph igbt cycloconverter with variable r & r-l load 3-ph full-wave scr ( thyristor ) fully-controlled rectifier with variable r & r-l load, and freewheeling diode arrangement 3-ph full-bridge igbt inverter with variable r & r-l load, and freewheeling diode arrangement igbt based buck converter with variable r & r-l load igbt based boost converter with variable r & r-l load igbt based buck-boost converter with variable r & r-l load igbt based cuk converter with variable r & r-l load string efficiency measurement / calculation model 1-ph half-wave scr ( thyristor ) rectifier with variable r & r-l load, and freewheeling diode arrangement power devices input-output characteristics 1-ph full-wave full-bridge scr ( thyristor ) rectifier with variable r & r-l load, and freewheeling diode arrangement 1-ph full-wave scr ( thyristor ) rectifier with centre-tapped transformer arrangement, with variable r &r-l load, and freewheeling diode arrangement 1-ph full-wave scr ( thyristor ) semi-controlled rectifier with variable r & r-l load, and freewheeling diode arrangement ( symmetrical and unsymmetrical arrangement ) 3-ph half-wave scr ( thyristor ) rectifier with variable r & r-l load, and freewheeling diode arrangement 1-ph half-bridge igbt inverter with variable r & r-l load, and freewheeling diode arrangement 1-ph full-bridge igbt inverter with variable r & r-l load, and freewheeling diode arrangement 1-ph to 1-ph igbt cycloconverter with variable r & r-l load digital storage oscilloscope kelvin’s double bridge schering bridge maxwell’s bridge hay’s bridge 3-ph transformers : 1-ph transformers, 1-ph transformers, wien’s bridge wheatstone bridge lvdt arrangement dc ammeters, 0-10 / 20μa dc ammeters, 0-50 / 100μa dc ammeters, 0-150 / 300μa dc ammeters, 0-250 / 500μa dc ammeters, 0-10 / 20ma dc ammeters, 0-150 / 300ma dc ammeters, 0-500 / 1000ma dc ammeters, 0-1 / 2a dc ammeters, 0-2.5 / 5a dc ammeters, 0-5 / 10a dc ammeters, 0-10 / 20a ac ammeters, 0-10ma ac ammeters, 0-50ma ac ammeters, 0-0.5 / 1a ac ammeters, 0-1 / 2a ac ammeters, 0-2.5 / 5a ac ammeters, 0-5 / 10a lpf / upf wattmeter single-phase lpf / upf wattmeter three-phase 1-ph transformers : ( isolation transformer ) 1-ph transformers , with class- h insulation, an cooling short throw multimedia projector ( mmp ) with 1280 x 800 ( wxga ) ups laboratory grade calibration set-up for accuracy and uncertainty measurements and calculations total quantity : 1