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Provides comprehensive technical information for the MiCOM P921, P922, and P923 relays.
Essential safety instructions for correct installation and use of the MiCOM relay to avoid damage.
Guidance on procedures for safe installation, commissioning, and maintenance of the MiCOM relay.
Instructions for correctly connecting and energising the relay, including system and power supply connections.
Guidance on navigating the relay's menu, password protection, and changing settings.
Specifications for nominal voltages, auxiliary voltage ranges, and frequency ratings.
Details on threshold settings, time delay settings, and characteristics for various protection functions.
Details on low voltage (safety and insulation) directives and ANSI test requirements.
Detailed information on configuring various protection functions like undervoltage, overvoltage, and frequency.
Explains how to configure control functions such as trip output relays, latch outputs, and logic equations.
Template for recording commissioning details, including relay information and safety checks.
Checks performed on the relay, including visual inspection, wiring, insulation, and auxiliary supply.
Verification of application-specific settings, logic equations, and protection function time delays.
Configuration tables for various protection functions like undervoltage, overvoltage, and frequency.
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