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Over Current Relay Testing System

Over Current Relay Testing System
Over Current Relay Testing System
Product Code : 46617
Brand Name : Tesca
Product Description
46617 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.
                                                                                                                               
46617 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.                                                                                                                                                                                                                                                          

 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
  • 2 Year Warranty                                                                                                                                                                                                                                             

Technical Specifications

Mains Supply : 230V ±10%, 50Hz

Rheostat :110W, 5A

Single Phase Variac

Input : 230V

Output : 0 - 270V

Current : 0 - 5A

Over Current Relay

Type : Inverse Time

Normal Voltage : 110V AC, 50Hz

Current Setting : 0.5A, 0.75A, 1A, 1.25A, 1.50A, 1.75A and 2A

CT Secondary : 1A

Measurement

Voltmeter : 25 - 300V

Ammeter : 200mA - 5A

Timer : 10mSec - 30min                                                                                                                                                                                                                                    

Scope of Learning

  • 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                                                                                                                                                                                                             

For understanding the role of relays in real time transmission system here a circuit of transmission line is provided from source to distribution with proper placing of all its require components


TESCA TECHNOLOGIES PVT. LTD.

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