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Test System for Motor Protection Circuit Breaker (MPCB)

PC Based Thermal Trip Test System 30 station for Motor Protection Ciruit Breaker - (MPCB)

PC-Based-MPCB-Test-Bench
PC Based Thermal Trip Test System for Motor Protection Circuit Breaker- 30 Station

This is a LabVIEW – PC based Test System for Motor Protection Circuit Breakers. This tests 30 MPCBs simultaneously. A Motor Protection Circuit Breaker is supposed to trip when there is overcurrent. This test equipment tests the MPCB for Overload Current Trip.

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Custom – Built Test System for Motor Protection Test System Setup Includes:

  • Stations : 30 total (20 for 0.1A–32A, 10 for 11A–63A)
  • Source 1 : 0.1A–50A, Transformer taps: 60V/50A, 90V/15A, 220V/4A, 400V/2A, 900V/1A
  • CT Range for Source 1 : 0.2A, 0.5A, 1A, 2A, 5A, 10A, 20A, 50A
  • Current Source 2 : 11A–100A, Transformer tap: 40V/100A
  • CT Range Source 2 : 50A, 100A

Features & Specification

  • Variable Current Source : 0.1A to 50A With Following Taps on secondary of power transformer 60V/50A , 90V/15A, 220V/4A, 400V/2A & 900V/1A. The Selection of output taps with contactors.
  • The Current will be kept constant through out the test with the help of Servo Controlled Closest loop system.
  • Each Station will have bypass arrangement with contactors.
  • CT With 0.2A, 0.5A, 1A, 2A, 5A, 10A, 20A & 50A taps to get accurate current measurement, The selection of CT tap will be with contactors.
  • The selection of CT Tap, Output Voltage will be through PC, which will get selected with MPCB rating.
  • Indication of Current, trip time of such station on PC Screen.
  • Input Supply 1Ph. 230VAC 50Hz 16A max
  • Connection of MPCB will be manual by operator. We will provide terminals for MPCB connections & standard Din rail channel for mounting MPCB for testing.
  • LabVIEW based software with SCR’s Ethernet based communication system to control the test parameters & to generate test report in any one approved format.
  • HP / Dell / Lenovo make PC with Windows OS

Controls & Indications

  • Indication of Current, trip time of such station on PC Screen only.
  • MCB for Mains ON and PC Supply.
  • Lamp Indications : Mains ON, 3 Phase Input Supply, PC Supply, Test Over.
  • Push Buttons : Control ON/OFF, Test ON/OFF, Reset, Emergency OFF
  • Calibration Terminals : to verify current measurement with respect to selected CT1 range. CT secondary 1 A as per primary tap selected.
  • Output Terminals will be provide to connect the all poles of MPCB in series with In & out

Custom-Built Test System for Motor Protection Circuit Breaker (MPCB)
Software Test Screen

Main Screen
Setting View
Setting Add
Test Screen
Report
Setting Edit
Setting Duplicate
Settings Main Screen
Setting Delete
User Management
Calibration
Maintanence Mode
PC-based-MPCB-Test-Bench

Thermal Trip Test for Motor Protection Circuit Breaker (MPCB)

SCR developed Thermal Trip Test System for MPCB  evaluates the thermal overload protection capability of Motor Protection Circuit Breakers by simulating sustained overcurrent conditions and measuring trip response.

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PC-Based-MPCB-Test-Bench

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