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EMEC I (DC Machines) Lab

This lab is used for performing the basic experiments of electrical Machine, In this lab. Students learn how to use the basic equipment of electrical engineering as well as the machines of electrical engineering like DC series machine DC Shunt Machine Compound Machine and so forth. With the help of these basic equipment and the knowledge of machines and student learns how to perform experiments like
• Internal and external characteristic of DC Generator
• Swinburns Test
• Hopkinson’s test
The Electro mechanical Energy Conversion I Laboratory is very important to the 2nd year students because in this lab student learns the basic working of the equipment, machine and its working like the connections of voltmeter ammeter, watt-meter, DC machine and so forth.

Sr. No.Name of PracticalEquipment RequiredIcon
1To plot magnetization characteristics of D.C. Shunt generator running at rated speed
Ammeter, voltmeter, Tubular Rheostat, indicating light, D.C. Starter-3 point
2To perform Hopkinson's test on two identical dc machines
Ammeter, voltmeter, rheostat, two identical dc machine 230V, 1500 rpm
3To obtain and plot the external characteristics of D.C. Compound generator
Ammeter, voltmeter, Tubular Rheostat, indicating light, D.C. Starter-3 point
4To perform the load test on D.C. Shunt motor and calculate efficiency
Ammeter, voltmeter, Tubular Rheostat, indicating light, D.C. Starter-3 point, DPIC Switch 16A 240V
5To perform Swinburne's test on dc machinerunning as shunt motor on no load
Ammeter, voltmeter, Tubular Rheostat, indicating light, D.C. Starter-3 point, DPIC Switch 16A 240V, DC motor, lamp load
6To perform open circuit and short circuit test on three phase transformer
Ammeter, voltmeter, Wattemeter, Indicating light , threee phase variac,
7To measure voltage ratio of primary and secondary winding
single phase transformer, ammetervoltmeter, single phase variac
8To perform Sumpner's back to back test on two identical transformer
Ammeter, voltmeter, Wattemeter,transformer, single phase variac

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