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EASUN REYROLLE LIMITED MIB202 User Manual

EASUN REYROLLE LIMITED MIB202
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1
OCTOBER 2003
APPLICATION AND COMMISSIONING
MANUAL FOR NUMERICAL BIASED
DIFFERENTIAL PROTECTION RELAY
TYPE - MIB202
EASUN REYROLLE LIMITED
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EASUN REYROLLE LIMITED MIB202 Specifications

General IconGeneral
BrandEASUN REYROLLE LIMITED
ModelMIB202
CategoryRelays
LanguageEnglish

Summary

APPLICATION

Biased Differential Protection Principles

Covers core principle, initial settings, bias slope, and limits.

Advanced Protection Features

Details highset overcurrent and magnetizing inrush restraint.

CT Configuration and Selection

Covers CT multipliers, HV/LV connections, and selection guide.

Relay Setting Calculation Example

Provides a typical calculation for relay settings.

INSTALLATION

Unpacking, Handling, and Mounting

Procedures for receiving, inspecting, safely handling, and mounting the relay.

CT Tap Selection and HMI Overview

How to select CT taps (1A/5A) and overview of the Human Machine Interface.

SETTING INSTRUCTIONS

HMI Operation and Navigation

Guide on operating the relay's Human Machine Interface and menu navigation.

Core Protection Parameter Settings

Configuration of initial settings, bias slope, and slope limits.

Advanced Configuration Settings

Setting current amplitude correction, vector group compensation, and highset.

Settings Management and Verification

Accepting changes, checking version, cancelling settings, and trip indication.

COMMISSIONING

Test Equipment, Inspection, and Precautions

Lists test equipment, inspection steps, and safety precautions before commissioning.

Secondary and Primary Injection Tests

Details secondary injection, primary injection, and CT tests.

Putting into Service

Final checks and procedures for returning the relay to service.

DRAWING

MIB 202 Relay Wiring Diagram

Shows the detailed wiring connections for the MIB 202 relay.