The philosophy of protective relaying what is relaying?, fundamentals relay operating principles and characteristics, current, voltage, directional, current or voltage balance, distance relay, wire pilot relay, carrier current pilot and microwave pilot relay, current transformer, types of current transformer, voltage transformer, methods for analyzing generaizing and visualizing relay response, ac generator and motor protection generator protection, transformer protection power transformers and power autotransformer, bus protection, line protection with overcurrent relays, line protection with distance relays, line protection with pilot relays
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