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Alstom MX3IPG2A User Manual

Alstom MX3IPG2A
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MX3IPG2A
Multiple-Function Protection for Generator
(R< - Ucc< - Ucc>)
TECHNICAL MANUAL MDE/C133 2561 001
ABCD
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Alstom MX3IPG2A Specifications

General IconGeneral
BrandAlstom
ModelMX3IPG2A
CategoryRelays
LanguageEnglish

Summary

1. TECHNICAL DATA

2. GENERAL CHARACTERISTICS

3. OPERATION

3.1 Underresistance Protection (Rotor Ground)

Compares voltage/current ratio, triggers timers.

3.2 Overcurrent Protection (Input I)

Handles overcurrent with tstart/trip timers, lockable by digital input.

3.3 Undervoltage Protection (Diagnostics - Input U)

Manages undervoltage with timer, lockable by digital input.

3.4 Overvoltage Protection (Diagnostics - Input U)

Manages overvoltage with timer, lockable by digital input.

3.5 Direct Undervoltage Protection (Input Ucc)

Features direct undervoltage with tstart/trip timers, lockable.

3.6 Direct Overvoltage Protection (Input Ucc)

Features direct overvoltage with tstart/trip timers, lockable.

3.7 Main and Spare Settings

Stores two setting groups (main/spare), programmable locally/remotely.

4. ADDITIONAL FUNCTIONS

4.1 Diagnostics

Automatic diagnostic checks upon power-on and during operation.

4.2 Output Circuits

Six relays for various functions, including diagnostics.

4.3 LED Signalling Circuits

Twelve LEDs indicate status, with dedicated and configurable functions.

4.4 Digital Inputs

Three optoisolated inputs for protection functions, programmable.

4.5 Additional Timers

Associating timers with optoisolated inputs for extended control.

4.6 Counters

Tracks partial/total trips for thresholds, range 0-9999.

4.7 Event Logging

Records last 8 events with details like date, time, and measured values.

4.8 Measurements

Displays real-time values of resistance, voltage, and current.

4.9 Test Function

Enables testing of LEDs, display unit, and output relays.

4.10 Alphanumeric User Identifier

Assigns a unique code for device identification.

4.11 Language Options

Supports display in four languages: Italian, English, French, Spanish.

4.12 LCD Settings

Configures LCD display features, including backlight.

4.13 Operation Inhibition and Deconfiguration

Methods to inhibit operation or deconfigure via network.

4.14 LONWORKS Communication

Details on serial communication via LONWORKS bus.

4.15 RS485 and MODBUS Communication

Covers serial communication using RS485 and MODBUS protocols.

4.16 Fault Recorder

Records system data for detailed fault analysis.

4.17 Tripping Circuit Continuity Check

Monitors tripping coil integrity using digital inputs.

5. LOCAL INTERFACE

5.1 Interface Components and Operation

Describes the LCD display, keyboard, and key functions for user interaction.

6. LCD MENU STRUCTURE

6.1 Main Reading Menu

The primary menu for navigating device information and settings.

6.2 Main Setting Change Menu

Interface for modifying device parameters and configurations.

6.3 Test Menu

Provides options for testing device functions and components.

7. APPLICATION AND USE

8. INSTALLATION-TRANSPORT

8.1 ESD Electrostatic Charges

Precautions for handling sensitive electronics to prevent ESD damage.

8.2 Acceptance and Storage

Guidelines for inspecting, accepting, and storing the device properly.

8.3 Assembling and Connection

Instructions for physical installation and wiring of the device.

9. SETTING THE UNIT AT WORK

9.1 Safety Regulations

Essential safety rules to follow during equipment testing and startup.

9.2 Checking Nameplate Ratings

Verification of equipment ratings against system specifications.

9.3 Final Test and Gauging

Procedures for final testing and calibration of the X2/IPG2A attachment.

Appendix A - Network Data Exchange

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