Nvis 7030 Induction Motor Series Generator Lab

- Mains Supply: Three Phase, 415 V ±10 %, 50 Hz

- Machine Specifications:
Both the Machines are flexibly coupled and mounted on a ‘C’ Channel base

- Three Phase Induction Motor (acts as prime mover)
-- Type: Squirrel Cage
-- Rating: 2HP
-- Voltage Rating: 415 VAC ±10 %
-- Speed: 1440 RPM ±5 %
-- Insulation: Class‘B’

- DC Machine (acts as generator)
-- Type: Series
-- Rating: 1 HP(also available with 2 HP)
-- Speed: 1500 RPM ±7.5 %
-- Insulation: Class‘B’

- Digital Meters used:
-- DC Voltmeter: 300 V
-- DC Ammeter: 5 A
-- AC Voltmeter: 450 V
-- AC Ammeter: 5 A

- MCB (TPN): 10 A

- Digital Tachometer: 20,000 RPM

- Optional Accessories:
• Three Phase Variac, 10 A
• 220 Ohms, 2.8 A Rheostat
• Resistive Load “Nvis 726 / Nvis 7067” (for Machines rated upto 1 HP / 2 HP respectively)

- Study and verify No-Load Characteristics of DC Series Generator
- Study and verify Load Characteristics of DC Series Generator