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Electrical Circuit Analysis in Electrical Engineering

The electrical circuit analysis is a set of techniques used for quantitative analysis of a circuit.

Purpose of Circuit Analysis:

The circuit analysis helps the engineers to find out the behavior of each element in the circuit. It analyzes the circuit before physically connecting it. Using pen and paper for electrical circuit drawing and calculation. This can save a lot of money and avoid a hazardous situation like a short circuit and component loss.

Elements of Circuit:

In electrical engineering, an electrical circuit is a closed loop that can pass the current from source to load. A circuit may have at least one or more than one load that absorbs power. Load elements of the circuit are passive elements. Where active elements provide power to the passive components.

Types of Analysis:

Circuit analyses are transient analysis and steady-state analysis. In the case of transient circuit analysts, the circuit is analyzed at the time of powering the circuit. In steady-state circuit analysis, the power source is considered Direct Current (DC).

Power Factor and Average Power in an AC circuit Explained with Power Triangle

September 17, 2023September 2, 2018 by Shahab Yousafzai
active reactive and apparent power

Power Factor (PF) play an important role in average power dissipation in an ac circuit. PF leads to the concept of three different real, reactive and apparent power, which is better explained by Power triangle.

Categories Electrical Circuit Analysis in Electrical Engineering Tags Alternating current, capacitor, Electrical Inductor, Resistors 1 Comment

Reactance and Impedance of capacitor and inductor: How to Calculate Impedance Triangle

July 4, 2022August 28, 2018 by Shahab Yousafzai
Resistance, Capacitive reactance and inductive reactance

Capacitor and inductor oppose current in AC circuit because of inertia of electron motion, which is called capacitive and inductive reactance respectfully.

Categories Electrical Circuit Analysis in Electrical Engineering Tags Alternating current, capacitor, Electrical Inductor, Resistors Leave a comment

Difference between Alternating Current and Direct Current

July 4, 2022August 25, 2018 by Shahab Yousafzai
Difference between Alternating Current and Direct Current

Alternating current (AC) is the type of electrical current which changes its direction and magnitude every moment.

Categories Electrical Circuit Analysis in Electrical Engineering Tags Current Source, Voltage Source Leave a comment

Explain Superposition Theorem Example and Solution

July 4, 2022June 21, 2018 by Michal
Superposition Theorem Principle

Superposition Theorem state that the voltage across an element in a linear electric circuit is the algebraic sum of the voltages across that element due to each independent source acting alone.

Categories Electrical Circuit Analysis in Electrical Engineering Tags Theorem 7 Comments

Difference between Ideal and practical, Voltage and Current Source

July 4, 2022June 12, 2018 by Michal
Difference between ideal and practical Source

In contrast to a practical voltage source, an imaginary deal source provide constant voltage regardless of load current because of no internal resistance. While ideal current source provides a constant current regardless of load current.

Categories Electrical Circuit Analysis in Electrical Engineering Tags Current Source, Voltage Source 5 Comments

Star to Delta and Delta to Star Conversion Formula Calculator with Example

September 14, 2022June 12, 2018 by Michal
Star Delta Transformation

Star Delta Transformations and Delta Star Transformations allow us to convert resistances or impedances connected together at three different nodes from one type of connection to another and vice versa.

Categories Electrical Circuit Analysis in Electrical Engineering Tags Electrical Engineering Calculators, Parallel Connection, series connection, Theorem Leave a comment

Maximum Power Transfer Theorem Proof and Example

July 4, 2022June 6, 2018 by Michal
Maximum Power Transfer Theorem

Maximum Power Transfer Theorem state that maximum power will transfer from source to load if and only if the load resistance is equal to source internal resistance. The theorem is purely about the transfer of power not efficiency.

Categories Electrical Circuit Analysis in Electrical Engineering 3 Comments

Voltage to Current Source Transformation Theorem

July 4, 2022June 3, 2018 by Michal
Source Conversion

Source transformation or conversion is a technique to replace a voltage source with a current source for circuit simplification and vice versa.

Categories Electrical Circuit Analysis in Electrical Engineering Tags Current Source, Voltage Source Leave a comment

Norton Theorem with Examples: How to Use Norton Theorem?

July 4, 2022June 1, 2018 by Michal
Norton Theorem

Norton Theorem reduces any two port circuit to a Norton Resistor, a load resistor, and a current source in parallel. Where Thevenin Theorem incorporates voltage source in series.

Categories Electrical Circuit Analysis in Electrical Engineering Tags Current Source, Theorem 2 Comments

Thevenin Theorem and Example: The Thevenin Equivalent Circuit

July 4, 2022May 29, 2018 by Michal
Thevenin Equivalent Circuit

According to Thevenin Theorem, a complex circuit is reduced to two resistor network, Thevenin Resistor, and Load resistor and a Thevenin Voltage source to avoid redundant computation to analyze a frequent changing resistor.

Categories Electrical Circuit Analysis in Electrical Engineering Tags Voltage Source Leave a comment
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