Nvis 7016 Measurement of Xd and Xq of Three Phase Synchronous Machine

- Mains Supply: Three Phase, 415 V±10 %, 50 Hz
- Machines Specification (2 nos.):
          -- Both the Machines are flexibly coupled and mounted on “C” channel base
- DC Machine:
          -- Type: Shunt
          -- Rating: 2 HP
          -- Voltage Rating: 220 V ±10 %
          -- Speed: 1500 RPM ±5 %
          -- Insulation: Class “B”
- Three Phase Synchronous Machine:
          -- Type: Star Connected
          -- Voltage Rating: 415 V
          -- Rating: 3 HP
          -- Speed: 1500 RPM
          -- Excitation Voltage: 120 V ±10 %
          -- Insulation: Class “B”
- Digital Meters used:
          -- DC Voltmeter: 300 V
          -- DC Ammeter: 10 A
          -- AC Voltmeter: 450 V (2 nos)
          -- AC Ammeter: 5 A & 10 A (1 each)
- MCB (TPN): 10 A
- Optional:
          -- DC Power Supply Nvis 725 / Nvis 725A
          -- Rheostat 2.8 A, 220 Ω
          -- Three Phase Variac 10 A

- Study and Measurement of Direct Axis (Xd) and Quadrature Axis (Xq) Reactance by Slip Test
- Study and Measurement of Positive Sequence Impedance of Three Phase Synchronous Generator
- Study and Measurement of Negative Sequence Impedance of Three Phase Synchronous Generator
- Study and Measurement of Zero Sequence Impedance of Three Phase Synchronous Generator