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Areva MiCOM P225 User Manual

Areva MiCOM P225
288 pages
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MiCOM P225
Motor Protection Relay
Technical Guide
P225/EN T/B11

Table of Contents

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Areva MiCOM P225 Specifications

General IconGeneral
BrandAreva
ModelMiCOM P225
CategoryRelays
LanguageEnglish

Summary

MiCOM P225 Motor Protection Relay

Technical Guide

Provides detailed information and guidance for the MiCOM P225 motor protection relay.

Connection Diagrams

1.1 MiCOM P225 typical connection

Illustrates the standard wiring configuration for the MiCOM P225 relay.

1.2 Typical application diagram

Presents a general application diagram for relay connections.

2. CONNECTION

2.1 Earth connection

Details the procedure for establishing the earth connection for the relay.

2.2 Auxiliary power

Specifies the requirements and connections for the auxiliary power supply.

2.3 Current inputs

Describes the specifications and wiring for current measurement inputs.

2.4 Voltage measurement input

Details the specifications and wiring for voltage measurement inputs.

2.5 Binary inputs

Explains the specifications and configuration of binary inputs.

2.6 Output relays

Describes the specifications and functionality of the output relays.

2.7 Front port connection (RS232)

Details the RS232 port for local communication and its connection.

2.8 RS485 rear port

Describes the RS485 rear port for communication and its connection.

2.9 Analogue outputs

Explains the optional analogue output features and their use.

2.10 RTDs

Details the RTD input option for temperature monitoring.

2.11 Thermistors

Details the thermistor input option for temperature monitoring.

TECHNICAL SPECIFICATIONS

1. PROTECTION FUNCTIONS

Details the various protection functions of the relay.

2. AUTOMATION FUNCTIONS

Explains the automation functions available in the relay.

3. OPTIONAL FUNCTIONS

Describes optional features that can be configured.

4. RECORDING FUNCTIONS

Details the capabilities for recording events, faults, and disturbances.

5. COMMUNICATION

Covers the communication protocols and settings.

6. INPUTS AND OUTPUTS

Specifies the details of the relay's inputs and outputs.

7. ACCURACY

Provides information on the accuracy of the relay's measurements.

8. CT & VT DATA

Details the specifications for Current Transformers (CT) and Voltage Transformers (VT).

9. HIGH VOLTAGE WITHSTAND

Specifies the high voltage withstand capabilities of the relay.

10. ELECTRICAL ENVIRONMENT

Describes the electrical environmental conditions for operation.

11. ENVIRONMENT

Details the environmental operating conditions.

12. THERMAL OVERLOAD CHARACTERISTIC CURVES

Presents graphical data for thermal overload characteristics.

13. EQUIVALENCE TABLE BETWEEN THE RTD IMPEDANCE MEASURED VALUE AND TEMPERATURE

Provides a table for converting RTD impedance to temperature values.

14. EQUIVALENCE TABLES BETWEEN ANALOGUE OUTPUT SIGNAL VALUE AND REMOTE MEASUREMENT

Lists equivalence between analogue output signals and remote measurements.

USER GUIDE

1. INTRODUCTION

Provides general information and defines the document's scope.

2. DESCRIPTION OF THE MiCOM P225 MOTOR PROTECTION RELAY

Offers a comprehensive description of the MiCOM P225 relay.

3. THE OPERATOR INTERFACE

Details the front panel components, LEDs, keypad, and display.

4. THE MENUS

Explains the structure and navigation of the relay's menu system.

4.10 The PROTECTION G1 and PROTECTION G2 menus

Describes the configuration and use of protection groups G1 and G2.

4.11 The AUTOMAT. CTRL menu

Details the automation control menu for motor operation.

4.12 The RECORD menu

Explains the functionality for recording events, faults, and disturbances.

4.13 ALARM messages

Provides information on how to interpret and manage alarm messages.

INSTALLATION GUIDE

1. GENERAL

Provides general information on relay reception and handling.

2. HANDLING ELECTRONIC EQUIPMENT

Details precautions for handling electronic components safely.

3. INSTALLING THE RELAYS

Outlines the procedures for installing the relays.

4. UNPACKING

Provides instructions for safely unpacking the relays.

5. STORAGE

Gives guidelines for storing the relays properly.

6. SAFETY INSTRUCTIONS

Crucial safety information for working with the relay.

7. INSTALLATION, COMMISSIONING AND MAINTENANCE

Covers installation, commissioning, and maintenance procedures.

8. MiCOM PX2x SERIE CABLE TERMINAL FOR MIDOS CONNECTORS

Details cable terminals for MiCOM Px2x series.

9. CASE DIMENSIONS

Provides the physical dimensions of the relay case.

TEST REPORT

1. RELAY IDENTIFICATION

Details for identifying the specific relay model and its configuration.

2. INSPECTION

Lists points to check during the inspection stage.

3. MEASUREMENT VALUE VERIFICATION

Procedure for verifying measured input values against applied values.

4. PARAMETERS

Covers various parameter menus for configuration and verification.

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