Nvis 7007 DC Machine Lab-I

- Machine Specifications: Both the machines are flexibly coupled and mounted on a “C” Channel base
- DC Machines (2 Nos.):
       -- Type: Shunt
       -- Rating: 1⁄2 HP (Also available with 1 HP, 2 HP and 3 HP)
       -- Voltage Rating: 220V ± 10% (Please refer Specification on the motor)
       -- Speed: 1500 RPM ± 7.5 %
       -- Insulation: Class‘B’
- Digital Meters used:
       -- DC Voltmeter: 300 V (2 nos.)
       -- DC Ammeter: 5 A (4 nos.)
- Digital Tachometer: 20,000 RPM
- Optional:
       -- DC Power Supply Nvis 725 or Nvis 725A / Nvis 725B (for machines rated   upto 2 HP / 3 HP respectively)
       -- Resistive Load Nvis 726 / Nvis 7067 (for machines rated upto 1 HP / 2 HP & 3 HP respectively)
       -- Rheostat, 2.8 A, 220 O
       -- 3 Point Starter

- Study of No Load Characteristics of DC Shunt Motor
- Study of Load Characteristics of Separately Excited DC Shunt Generator
- Study of Speed Control of DC Shunt Motor by Field current control and Armature voltage control methods
- Study of Load Characteristics of Separately Excited DC Shunt Motor
-  Study of Self Excited DC Shunt Motor