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Tuesday , 10 December 2019
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Electrical Circuit Analysis

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

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

Diode Current Equation, Example, and Calculator

Symbol of diode

Diode current can be expressed by an equation called diode current equation. The current equation depend on dark saturation current, the charge of an electron, externally applied a voltage and a constant. We also provide a calculator for the diode current equation.

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3 Methods of testing a diode with multimeter and oscilloscope

Symbol of diode

Testing a diode with a digital multimeter in two ways, diode testing portion, and ohmmeter. A diode test is considered passed if it shows low resistance/voltage drop on forward bias and high resistance/voltage drop in reverse bias. A diode curve tracer uses an oscilloscope for VI characteristics graph.

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Center Tapped Full Wave Rectifier with capacitor filter

Center Tapped Rectifier circuit diagram with center tap transformer and capacitor in filter

A center tapped rectifier converts AC voltage to a DC voltage by the means of center tap transformer and two diodes. The output DC voltage of the rectifier is half of the secondary voltage.

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RLC Parallel circuit analysis with solved problem

RLC parallel circuit

In RLC parallel circuit, resistor, inductor, and capacitors are connected in parallel across Alternating current source. In contrast to the RLC series circuit, the voltage across each component is the same and is taken as reference in the phasor diagram.

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RLC Series circuit, phasor diagram with solved problem

Industrial machine

RLC Series circuit contains a resistor, capacitor, and inductor in series combination across an alternating current source. The behavior of components can be explained by phasor diagrams, impedance and voltage triangles.

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What is a Phasor Diagram in AC circuit Analysis: Phasor Algebra

Phasor diagram in AC circuit

Phasor diagram in an AC circuit analysis is to represent the phase angle i.e. leading and lagging effect through vector representation. Phasor algebra, polar form, and complex number conversions are also explained.

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Average power in ac circuit: The power factor & its importance?

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.

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Reactance and Impedance of capacitor and inductor in AC circuit

Inductive and capacitive reactance in AC circuit

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

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What is alternating current (AC): The basic AC definitions

Alternating current

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

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Superposition Theorem: Electrical Circuit Analysis

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.

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