3 PHASE NUMERICAL IDMT OVER CURRENT RELAY TRAINER

Product Overview

Description

KPR-03A 3 Phase Numerical IDMT over Current Relay Trainer is a rugged training system for the Electrical laboratories mounted on MS enclosure with 4mm shrouded connectors showing circuit diagram & its connection tag numbers for easy understanding and connections. The product helps you to get fully acquainted with the basic concepts and functioning of      3 Phase Numerical IDMT over Current Relay.

 

 SPECIFICATION

 

Trainer having control panel should be provided in MS Enclosure.

4 pole MCB of 415 V/6A.

DOL 9A Contactor with 230V / 50 Hz / 11VA COIL.

3 phase multifunction Bidirectional meter

3 Phase ¾ wire, 415V, CT Input 5A

LCD/LED display, Aux supply 230V, 45-65 Hz, 5W

V, A, Hz, Pf, KVA, KW, KWH

Elapsed time counter range 999.001 sec, resolution 1msec

Consist of 5/5 Amp. CTs

Primary side of CT’s are brought on Shrouded sockets.

Secondary side of CT’s are brought out on shrouded sockets

3 Phase IDMT, Definite Time Over current static Relay

2 NO & 2 NC contacts

Current rating 5A

1 phase Current Injector Output 0-200V/3A & 0-2-8 VAC/12A

200W resistors with switch selectable for 100, 112, 125, 150, 175, 200 & 225 Ohm.

All input & output are terminated in 4mm shrouded connector, should provide 4mm banana cable for experiments.

 

Experiment List

To plot Inverse Definite Minimum Time characteristics of over current relay.

To perform experiment on definite / instantaneous mode setting of the relay.