Relays for Protection against 50 MVA 132/33 kV Transformer

Sl. No. Type of Relay Relay Name Appearance ANSI Code Purpose 1. Numerical Relay Trafo. Differential Protection Relay 87 For protection against phase-to-phase fault and phase to earth faults 2. Numerical Relay Over Current & Earth Fault Protn. Relay 51 For protection of transformers from over current and earth faults 3. Circulating Current E/F Diffn. …

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Use CRO to observe the output waveform of half wave-controlled rectifier with resistive load and determine the load voltage

Experiment No.: 8 Experiment Name: Observe the output waveform of half wave-controlled rectifier with resistive load using CRO and determine the load voltage. Objective: To observe the output waveform of half wave-controlled rectifier with resistive load using CRO. Determine the load voltage. Theory: A semi converter uses two diodes and two thyristor and there is …

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