Tuesday , 10 December 2019
Home > Shahab Yousafzai

Shahab Yousafzai

Shahab Yousafzai is a professional electrical engineer, who has a history with the field since 2008. He is happy to share his experience and thoughts over the forum. He is interested in Power Electronics, Analog Electronics, and Electric Machines.

Halfwave Rectifier with Capacitor Filter and Ripple Factor Calculation

Half wave rectifier Circuit with Capacitor in filter

Rectifiers are the circuit which converts AC Voltage to DC voltage. The half wave rectifier is the simplest type of rectifier with a single diode. The output of the rectifier is filtered with a capacitor filter to smoothen.

Read More »

Forward & Reverse Bias of Diode Explained by V-I Characteristic Curves

forward bias and Reverse bias of diode

A diode can be connected in forward and reverse bias with a source. In Forward bias connection, a diode conducts current like a closed switch. Where in reverse bias, a diode blocks current like an open switch.

Read More »

Depletion Region formation in PN Junction diode and potential barrier

PN Junction Diode

At the time of developing the PN junction diode, the depletion region is formed. Where free electrons and hole cross the conjunction between P- and N-region and recombine.

Read More »

Power Electronics Handbook by Muhammad H. Rashid

Power Electronic Handbook by Muhammad H. Rashid 4th Edition

This handbook is a textbook for power electronics Starting from the electronics devices like Diodes, Transistors, SCR and so on. Then Muhammad H. Rashid explains its applications like DC-DC, DC-AC, AC-DC, AC-AC converter.

Read More »

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.

Read More »

The first course on Power Electronics and Drives by Ned Mohan

The first course on power electronics and drives by Ned Mohan and Mnpere

The author Ned Mohan tried his best to prepare students for industries by providing a broad and depth knowledge of power electronics by giving the gift of "The first course on Power Electronics and Drive".

Read More »

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.

Read More »

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.

Read More »

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.

Read More »

RL Circuit Transient: Inductor Charging and Discharging

LR circuit analysis

In RL series circuit, during the inductor charging phase, the voltage across the inductor gradually decrease to zero and the current through the inductor goes to the maximum in five-times constant (5 taus).

Read More »