The Role of Three Phase system in Efficient Power Distribution
What is a Polyphase System? A polyphase system is a means of distributing alternating-current (AC) electrical power that utilizes two […]
How to Prepare for a Job Interview : Step-by-Step Tips
Job interview tips Ultimately, a successful job interview is more than just a test of your technical knowledge or a
Basic concept of different types of Relays
What is Relays ? Relay is a device by means of which an electric circuit is controlled by the change
What is clamp meter? How to Operate a Clamp Meter
What is clamp meter? A clamp meter is a type of electrical testing instrument used to measure current without physically
What is Instrument Transformers? Types, Working Principle &Construction Instrument Transformers
Instrument Transformers Instrument Transformers are special-purpose transformers used in electrical power systems to measure high voltages and currents safely and
What Is Generator Protection and Why Is It Important?
Generator Protection The synchronous generator, the heart of any power generation facility, is a marvel of engineering, converting mechanical energy
7 Common Transformer Testing Procedures Explained
Transformer Testing What is a Power Transformer? A power transformer is a type of electrical transformer used to transfer electrical
Why a Battery Needs Water ?
Why a Battery Needs Water ? It is important to understand why an industrial motive power traction battery used in
Written
CPGCBL-2023 (BUET) Sub-Assistant Engineer ( Electrical) Written Test Solution
Coal Power generation Company Bangladesh Ltd ( CPGCBL-2023 ) Post: Sub-Assistant Engineer ( Electrical); Venue: BUET, Exam Date: 03.11.2023
বিশ্ব সভ্যতা
বিশ্ব সভ্যতা বলতে কী বোঝায়? বিশ্ব সভ্যতা বলতে মানবজাতির দীর্ঘ ইতিহাসে গড়ে ওঠা বিভিন্ন সাংস্কৃতিক, সামাজিক, রাজনৈতিক, অর্থনৈতিক এবং প্রযুক্তিগত
What is the Corona Effect in Transmission Lines? Parameters Analysis in Corona Effect.
What is the Corona Effect in Transmission Lines? The corona effect is the ionization of the air around a high-voltage
What is cable joint ? Types, Tools, Steps for Jointing Electrical Cables
What is a cable joint? A cable joint is a device or method used to connect two or more electrical
BCIC-SAE- BUET 14.02.2025 Question Solution
BCIC-SAE- BUET 14.02.2025 Bangladesh Chemical Industries Corporation (BCIC) Post: Sub-Assistant Engineer (ET) , Exam Date: 14.02.2025, Time: 60 minutes, Full
Why Use Quad Spacer Damper in Transmission Lines?
Quad Spacer Damper: A Quad Spacer Damper is a mechanical device used in overhead high-voltage transmission lines, specifically with quad
How to an electric motor transforms potential energy into mechanical energy.
What is an Electric Motor? An electric motor is an electromechanical device that converts electrical energy into mechanical energy. This
Best 7 Electrical Cable Jointing Kits You Need to Know About
Electrical cable jointing kits Electrical cable jointing kits are essential for connecting two or more electrical cables, extending their length,
What is the Gauss law for electric field
Gauss Law for electric fields is a fundamental principle in electromagnetism, one of Maxwell’s four equations. It provides a powerful
What is an Ideal transformer? Working Principle, EMF Equation and properties
Ideal transformer: An ideal transformer is a electrical static device that operates No losses (no copper loss, core loss, or
500+ Key Electrical & Electronics Engineering Abbreviations
Electrical & Electronics Engineering Abbreviations AC – Alternating Current DC – Direct Current V – Voltage I – Current P
How to Use the Superposition Theorem to Solve Complex Circuits
Superposition Theorem: The Superposition Theorem is a powerful tool in electrical circuit analysis, particularly when dealing with circuits that have
What Are the Key Functions of Electrical Busbar, Bus Coupler And Bus Riser
Electrical Busbar A busbar is a metallic strip or bar (usually made of copper or aluminum) used for conducting electricity
What happens if a generator is run under-excited?
⚡ What Does “Under-Excited” Mean? A generator is underexcited when its field excitation (DC current in the rotor winding) is
Percentage Impedance of Transformer & Its Calculation
What is the percentage impedance of a transformer? Answer: The percentage impedance of a transformer is a measure of the
The Importance of lightning arrester in Home & Industrial Applications
What is Lightning Arrester? A lightning arrester is a device used in electrical systems to protect buildings, electrical equipment, and
The Science Behind Transformer Humming An In-Depth Look
What is Transformer Humming? Transformer humming refers to the low-frequency sound (usually 50 or 60 Hz) emitted by a transformer
Top 10 Most Important Job Interview Questions with answer
What is AIS Substation and GIS Substation? Answer: AIS Substation (Air-Insulated Substation) and GIS Substation (Gas-Insulated Substation) are two types
The Future of Squirrel Cage Induction Motor in Modern Engineering
What is Squirrel Cage Induction Motor A squirrel cage induction motor (SCIM) is a type of AC electric motor that
Why Are Zener Diode Important in Electronics?
Zener Diode A Zener diode is a special type of silicon semiconductor diode that is designed to operate in the
How to Maintain Your Electric Motorcycle and How Does It Work?
Electric Motorcycle: An electric motorcycle is a two-wheeled vehicle powered by an electric motor instead of a conventional internal combustion
Step-by-Step Guide to Controlling a DOL Starter Motor with Solar Power
Ah, a fascinating project! Integrating a Direct-On-Line (DOL) starter for motor control with a solar power system presents some interesting
Basic Concept of Programmable Logic Controller (PLC)
What is PLC? PLC stands for Programmable Logic Controller. It is a type of industrial digital computer designed to control
Single phase Direct Online (DOL) Starter Power & Control Circuit Diagram
What is Direct Online (DOL) Starter? Answer: A Direct Online (DOL) starter for a single-phase motor is a straightforward method
3- phase Direct Online (DOL) Starter Power & Control Circuit Diagram
What is Direct Online (DOL) Starter? A Direct Online (DOL) Starter is a straightforward and cost-effective method for starting small
How to Choose the Right Turbine for Your Hydroelectric Power Plant
A hydro-power plant generates electricity by harnessing the energy of flowing water, converting kinetic energy into electrical power through turbines
Basic Concept of Hybrid solar system
What is hybrid solar system? A hybrid solar system is a type of solar power setup that combines solar panels
What Is an Off-Grid Solar System and How Does It Work?
What is an off-grid solar power system? An off-grid solar power system is a setup that generates and stores electricity
The Complete Guide to Installing an On-Grid Solar System
☀What is an On-Grid Solar System? An On-Grid Solar System (also called Grid-Tied or Grid-Connected solar system) is a type
Battery Storage and Inverter Technologies in Solar Home Systems
Solar Home Systems (SHSs) have emerged as a vital solution for providing access to electricity in remote and off-grid areas,
Best Interview Questions with answer Every Electrical Engineer Should Know
Top Interview Questions with answer What is Fusion and fission? Answer: Fusion and fission are both nuclear processes that release
Why is high-voltage transmission used in power systems?
High-voltage transmission is used in power systems for several critical reasons, primarily related to efficiency and cost-effectiveness when transporting large
What are the main types of transmission line faults and how are they diagnosed and corrected?
Transmission line faults are disturbances that cause abnormal conditions in the operation of power transmission systems. They can lead to
The Role of Resistivity or Specific Resistance in Electrical Engineering
Resistivity or Specific Resistance: Resistivity (also called specific resistance) is a fundamental property of a material that quantifies how strongly
How to Identify Different Types of Superconductors
Superconductors: A superconductor is a material that, below a certain critical temperature (Tc), can conduct electric current with zero electrical
Why Transformer protection is an important?
Answer: Transformer protection is important to prevent damage to expensive equipment, ensure system reliability, and enhance safety. It detects faults
A Beginner’s Guide to Understanding Nature of Electricity
Nature of Electricity Electricity is a form of energy resulting from the movement of charged particles, typically electrons, through a
Top 10 Viva Questions Every Student Should Know
Viva Questions -01: Why used stone in electrical substation? Answer: Stones are used in electrical substations for several important reasons:
10 Essential Electrical Laws Every Engineer Should Know
Essential Electrical Laws Ohm’s Law: This law defines the relationship between voltage (V), current (I), and resistance (R) in an
What is voltage stabilizer? How does it work? Faults and Repairs.
Voltage stabilizer: A voltage stabilizer, also known as an automatic voltage regulator (AVR), It is an electrical device used to
What Is a Hydro Power Plant and How Does It Work?
Definition : A Hydro Power Plant (also called a Hydroelectric Power Plant) is a facility that generates electricity by harnessing
What Is a 3 Phase Energy Meter and How Does It Work?
3 Phase Energy Meter Definition: A three-phase energy meter is an electrical device used to measure the consumption of electrical