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General| Brand | Micom |
|---|---|
| Model | P631 |
| Category | Protection Device |
| Language | English |
Provides a general overview of the P631 device, its capabilities, and intended applications.
Covers general device specifications including design, installation position, degree of protection, weight, dimensions, and terminals.
Details typical characteristic data for main functions, differential protection, and overcurrent protection settings.
Details the configuration and operation of the six freely configurable function keys, including password protection.
Explains how to configure output relays, their operating modes, and how to block them, providing essential operational settings.
Covers the main functions of the P631, including conditioning of measured values, phase reversal, and operating data measurement.
Details the comprehensive monitoring routines that detect internal faults and ensure proper operation.
Describes the design and operation of the differential protection function, including amplitude and vector group matching.
Details the three-stage definite-time overcurrent protection function, including phase, negative-sequence, and residual current monitoring.
Explains the inverse-time overcurrent protection function, covering measured variables and time-dependent characteristics.
Covers the thermal overload protection function designed for transformers, including parameter settings and tripping characteristics.
Details the current transformer supervision function to prevent unwanted tripping by differential protection for CT faults.
Describes the circuit breaker failure protection functions, including assignment of inputs, trip commands, and enabling/disabling.
Describes the physical installation procedures, including mounting dimensions, panel cutouts, and case variants.
Details the essential requirements for reliable grounding of the device to meet protective equipment grounding requirements.
Provides comprehensive connection instructions for measuring and auxiliary circuits, communication interfaces, and serial connections.
Explains the role and capabilities of the local control panel for device operation, setting entry, and data readout.
Introduces the process of adjusting settings to match the system and protected equipment, detailing parameter location in the menu tree.
Details the configuration parameters for various function groups, including communication interfaces, logic, and protection functions.
Provides critical safety instructions that must be followed before and during the commissioning of the device.
Outlines the necessary preparation steps and checks before turning on the power supply and performing functional tests.
Describes common problems, their causes, and methods for eliminating them, providing guidance for resolving issues.
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