RRB ALP & Technician CBT-1 | Mock Test Set : 2
Topic : Non Technical No. of Question : 75 Type : MCQ Time : 60 Minutes Views: 94
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Topic : Non Technical No. of Question : 75 Type : MCQ Time : 60 Minutes Views: 361
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SSC JE Electrical / Mock Test Series : 2
Topic : Mixed Technical (Electrical Engg.) No. of Question : 100 Type : MCQ Time : 60 Minutes Views: 132
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SSC Junior Engineer (Electrical) Free Mock Test Series
Test # 1 Test # 2 Test # 3 Views: 2699
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SSC JE Electrical / Mock Test Series : 3
Topic : Mixed Technical (Electrical Engg.) No. of Question : 100 Type : MCQ Time : 60 Minutes Views: 86
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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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Voltage Class
Voltage Class Maximum voltage under normal condition Tolerance Low Voltage (LV) 250 V +- 6% Medium Voltage (MV) 650 V +- 6% High Voltage (HV) 33 KV -9% to +6% Extra High Voltage (EHV) >33 KV 12.5% to 10% Views: 21
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
