Evaluation of Fault Analysis in Transmission Lines Using Relay Settings

The main aim of this Evaluation of Fault Analysis in Transmission Lines Using Relay Settings topic is to reduce the fault in the power transmission using relay settings. Mainly to get the power there is three steps generation, transmission, and distribution. In this the transmission takes major role for transmitting power. When fault occur damage the power system. To avoid this problem RELAY settings concept is used. To get this a high speed protection system with 132kv and above range is required. This can be achieved in two ways one is ROZOA and other id REL-100 protection systems. The REL-100 is the non-switched type protection and ROZOA is for line protection. These relay settings can be calculated using the MATLAB program. This seminar is explained you about the operating principles of the relay settings those are ROZOA and REL-100 and also gives information about characteristics of these relay settings. The relay setting values are simulated by using the MATLAB programs.

The input data given to find relay is primary voltage range, secondary, primary current, secondary current, transmission line length, shortest length for kilo meter per sec, and longest length for kilo meter per sec. here in this technique the relay settings are calculated by using MATLAB programs, both REL-100 and ROZOA are tested relay in the range of 220KV in the substations only. The most successful one of the technique to find relay is REL-100.

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