Do you have a question about the ABB Modures LZ92-1 and is the answer not in the manual?
How to choose between different operating modes for various system grounding conditions.
Configuration of overcurrent and underimpedance starting units for fault detection.
Setting parameters for the overcurrent starting detection method.
Setting parameters for the underimpedance starting detection method.
Procedures for calculating and setting impedance values for each distance relay zone.
Steps for calculating the reach of each distance relay zone.
Calculating and setting impedance measuring range (m) and percentage setting (N).
Performing checks from installation sections and setting the relay before energizing.
Performing functional tests by simulating faults using frontplate test buttons.
Procedures for connecting and using a test set for comprehensive relay verification.