Nvis 7028 Induction Motor Shunt Generator Lab

Nvis 7028 includes various experiments to be conducted such as operational working behavior of DC Shunt Generator, Open Circuit Characteristic, Load Characteristic etc. Diagrammatic representations are provided on the control panel so that students can make connections by their own. Nvis 7028 includes digital panel meters to obtain precise results. Separate terminals are provided to connect the optional accessories externally to the control panel with ease.

• Features:

- Flexible Shaft Coupling Arrangement
- Electrical Loading Arrangement
- Rust free powder coated control panel
- Control board consist of high grade FRP material to provide utmost safety to the users
- Provided with Digital Tachometer for RPM measurement
- Good quality digital panel meters
- Heavy duty base/channels
- Machines with class “B” insulation
- Designed by considering all the safety measures
- Specially designed patch cords for safety purpose
- Diagrammatic representation for the ease of connections
- Online Product Tutorial (CD)

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

- Machines Specifications:
Both the Machines are flexibly coupled and mounted on a single “C” channel base

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

- DC Machine (acts as Generator):
-- Type: DC Shunt
-- Power Rating: 1 HP (also available with 2 HP)
-- Rated Current: 4.1 A
-- Speed: 1500 rpm ±7.5 %
-- Insulation Class: ‘B’

- Digital Meters used:
-- DC Voltmeter: 300 V
-- DC Ammeter: 5 A (2 nos)
-- AC Voltmeter: 450 V
-- AC Ammeter: 5 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 measurement of Open Circuit Characteristic of DC Shunt Generator
- Study and measurement of Load Characteristic of DC Shunt Generator