Nvis 7091 Over Current Relay Testing System
Nvis
Nvis 7091 Over Current Relay Testing System
Nvis

Nvis 7091 Over Current Relay Testing System

Reference: Nvis7091 - Manufacturer: NVIS TECHNOLOGIES

Nvis 7091 has accurate voltage, current & time measurement.It includes built-in variable supply, digital voltmeter, ammeter, timer. The timer operation is automatic when current is applied to relay. This automatic operation ensures accurate tripping time measurement.

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Nvis 7091 Over Current Relay Testing System

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Nvis 7091, Over Current Relay Testing System is an ideal platform to enhance education, training, skills & development amongs our young minds.

Nvis 7091 Over Current Relay Testing System is a useful learning product for electrical laboratories. Over Current Relay monitors general balanced overloading and has current/time settings. These settings determine the protective schemes. The relay is IDMT type which has different tripping time characteristics with different current conditions. These are classified in accordance with their characteristic curves which indicate the speed of tripping operation. The typical settings for relay is 0.5-2 Amp in 1-10 seconds.

  • Features:

- Alphanumeric 16X2 Big Font LCD for better visibility
- Electromechanical relay to understand internal mechanism and its working
- Simultaneous display of voltage, current on LCD
- Inbuilt automatic timer that starts and stop with relay
- Inbuilt Power Source for relay
- Diagrammatic representation of relay connection in transmission line
- Exclusive and attractive design
- Designed by considering all the safety standards
- Learning material CD

- Mains Supply: 230 V ±10 %, 50 Hz
- Rheostat: 110 O, 5 A
- Single Phase Variac:
        -- Input: 230 V
        -- Output: 0 - 270 V
        -- Current: 0 -5 A
- Over Current Relay:
        -- Type: Inverse Time
        -- Normal Voltage: 110 V AC, 50 Hz
        -- Current Setting: 0.5 A, 0.75 A, 1 A, 1.25 A, 1.50 A, 1.75 A and 2 A
        -- CT Secondary: 1 A
- Measurement:
        -- Voltmeter: 25 - 300 V
        -- Ammeter: 200 mA - 5 A
        -- Timer: 10 mSec - 30 min

- To study the IDMT Over Current Relay & its applications
- To study and use plug setting multiplier
- To study and use time setting multiplier
- To study and verify the operating Characteristics of Over Current Relay at various plug & time settings

Category
Laboratories

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