tender for e-tender for supply, installation & commissioning of devices, equipments, instrument, machineries, tools etc. for mechanical, electrical and electronics engineering laboratories and workshops at kolaghat government polytechnic. , to determine illumination of a surface for a drawing room by means of lux meter. , to determine candle power of a lamp in comparison to standard c.p. of lamp by optical bench method. , to verify the inverse square law and compare the difference in output luminescence of incandescent, fluorescent and compact fluorescent lamps. , to study of sodium vapour lamp, mercury vapour lamp, cfl with their connections and the technical specification. , trainer kit dc series motor, brake drum & pulley,spring balance , weights, tachometer, ammeter, voltmeter, multimeter, clampmeter, rheostat , electrical load box, dc gen, braking setup , electric annual rate contract welding setup , trainer kit setup of induction heater , experiment to compare power consumption of different types of tl with electromagnetic ballast, electronic ballast and led lamps by direct measurements and estimate energy saving. , experiment to determine the reduction in power consumption in star mode operation of induction motor compared to delta mode at different load conditions. , experiment to estimate energy saving by improving power factor using pfc/apfc for an electrical load. , experiment to estimate energy saving by improving load factor for an establishment. , perform experiment to determine the reduction in power consumption by replacement of fans and regulators in a class room / laboratory , prepare series testing board for testing fan or other electrical gadgets. , select the electric wire using measuring and testing instruments for particular applications. , study and identify cables (pvc, xlpe, and vir) and catenary cable of different current rating. , prepare wiring installation on a board from the commencement of supply showing energy meter, mcb, control of one lamp, one fan and one socket from one switch board in pvc surface conduit wiring system. , prepare wiring installation on a board showing control of one lamp, one fan and one socket from one switch board using batton wiring system. , control one lamp from two different places using pvc surface conduit wiring system. , test wiring insulation using megger. , measure earth resistance using earth megger , measurement of three phase energy using static energy meter which can show maximum demand, reactive power, tod in addition to active power. , measurement of energy using ct and pt , perform experiment to measure solar radiation using pyranometer on tilted surface at different angles of inclination and plot radiation vs. time characteristics for certain duration. , perform experiment to plot i-v characteristics of photovoltaic cell module and find out the solar cell parameters (o.c. voltage, short circuit current, voltage-current-power at maximum power point, fill factor, efficiency). , identify & study the specified components of a 0.3 kw small wind turbine (swt) system. (indoor type). , set up the solar pv plant to produce electricity. , display board of samples of overhead conductors, underground cables , samples of transmission line insulators. , demonstrate various system faults by d.c. network analyzer , measurement of three-phase line and phase voltage and measurement of three-phase power by two wattmeter method , inductance measurement by andersons bridge trainer kit. , multimeter , clamp meter , stop watch , distance meter