1-Phase Circuits
Single Phase AC Circuits
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Why Current Decreases When Inductance or Inductive Reactance Increases?
In Inductive Circuit, Why the Circuit Current (I) Decreases, When Inductance (L) or Inductive reactance (XL) Increases? Another question from electrical and electronics engineering interviews question and answers series. Explain the…
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Which Transformer is More Efficient When Operates on 50Hz or 60Hz?
A 50/60 Hz Transformer – Which One is More Efficient and Why? A transformer is designed to be operated on both 50Hz and 60Hz frequency. For the Same rating, which…
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Types of Transformers and Their Applications
Types of Electrical Transformers What is a Transformer? An electrical transformer is a machine that steps up or steps down the voltage level without changing the frequency of the power…
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Analysis of a Simple R-L Circuit with AC and DC Supply
Analysis of a Simple R-L Circuit and Inductor Behavior Analysis of a Simple R-L Circuit with DC Supply: The circuit shown in Figures-1 is a simple R-L circuit (it has…
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Peak Voltage and Peak to Peak Voltage Calculator
Peak Voltage (VP) and Peak-to-Peak Voltage (VP-P) Calculator Peak Voltage Calculator This calculator can be used to calculate the Peak Voltage or Max Voltage value (VPK or VMAX) of a…
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RMS Voltage Calculator – From Average Value, Peak & Peak to Peak Value
RMS Voltage Value Calculator This calculator can be used to calculate the RMS Voltage value (VRMS) of a sine wave from different related values such as average value (VAV), peak…
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RMS Value, Average Value, Peak Value, Peak Factor And Form Factor in AC
What is RMS Value, Peak Value, Average Value, Instantiations Value, Form Factor, Peak Factor & Other related Terms to AC Circuits and Sine wave? AC and DC Currents It is…
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Single Phase Electrical Wiring Installation in Home – NEC & IEC
How to Wire a Single Phase Distribution Board & Consumer Unit in Home Single Phase 120V/230V Distribution and Panel Board Wiring in Home Single Phase wiring installation is the most…
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Introduction to Harmonics – Effect of Harmonics on Power System
What are Harmonics and How to Filter and Eliminate it. (Manuel Bolotinha) Introduction to Harmonics The quality of electrical power supply is an important issue both for utility companies and…
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Short Circuit Currents And Symmetrical Components
Short Circuit Currents And Symmetrical Components (Manuel Bolotinha) Short Circuit Faults and Currents Short-circuits can occur phase-to-phase and phase-to-earth, mainly due to: Dielectric breakdown of insulating materials (ageing, severe overheating…
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