What happens if a generator is run under-excited?
âš¡ 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
How to make yourself as an expert electrical engineer?
Becoming an expert electrical engineer requires a combination of formal education, hands-on experience, continuous learning, and professional networking. Here’s a
Speed Control of 3-Phase Induction Motor
Speed Control of 3-Phase Induction Motor The speed of a 3-phase induction motor is primarily determined by two factors: Synchronous
What is a 3-Phase Induction Motor and How Does It Work?
3-Phase Induction Motor A 3-phase induction motor is an electric motor powered by a three-phase power supply. It converts three-phase
10 Key Questions to Expect in Your EEE Job Interview
10 Key Questions about EEE Job Interview are bellow- Why is One Pin Larger in a 3 Pin Plug? Answer:
A Beginner’s Journey into Electronic devices & Basic electronics
Electronic Devices: Electronic devices are tools or equipment that operate using electrical energy to perform specific functions. These devices typically
Exploring the Skin Effect, Ferranti Effect and Proximity Effect in Electrical Transmission Lines: What Every Electrical Engineer Should Know
Definition of Skin effect. Write factors affecting skin effect in transmission line Answer: The skin effect is a phenomenon where
How Insulators Impact the Efficiency of Overhead Power Lines
What is insulator? An insulator is a material that prevents the flow of electric current. In electrical systems, insulators are
A Beginner’s Guide to How Does a Single Phase Induction Motor Work
Single-Phase Induction Motor ; A Single-Phase Induction Motor (SPIM) is one of the most commonly used types of electric motors,
What Is Power Factor and Why Is It Important?
Definition of Power factor: Power factor (PF) is a measure of how effectively electrical power is being used in a
11 Best EEE Job viva Question & Answer
Why star delta used in transformer Answer: Star-delta connections are used in transformers for a variety of reasons, primarily related
Single phase energy meter
Energy Meter Definition: An electrical energy meter is a measuring device that quantifies the amount of electrical energy consumed by a
How to Choose the Right Energy Storage System for Your Needs
What is an Energy Storage System (ESS)? An Energy Storage System (ESS) is a technology that stores electrical energy for
The Benefits of Co-Generation: A Comprehensive Guide to Combined Heat and Power Systems
What is Co-generation? Co-generation (also known as combined heat and power (CHP)) is the process of simultaneously producing two forms
Best 10 EEE Job Viva Questions & Answer
Why used stone in electrical substation? Answer: Stones are used in electrical substations for several important reasons: Safety: Stones help
Transformer
Transformer construction & Working principle
Transformer A transformer is an electro- static device that transform electrical power from one circuit to another one of the
Basics concept of Synchronous Generators / alternator for Beginners
Synchronous generators: A synchronous generator (also called a alternator) is a type of electrical generator that that converts mechanical power
Basic Concept of Step potential, Touch potential and GIS substation
In electrical substations, step potential and touch potential are terms related to the safety of personnel in the event of
Basic Concept of Solar Electrical systems
Definition of Solar Electrical systems: Solar Electrical Energy refers to the energy generated from sunlight and converted into electricity using
Electrical Transformer Definition, Types & Technical Specification.
Electrical Transformer Definition: Electrical Power Transformer is a static device which transforms electrical energy from one circuit to another without
Major Difference Between Three-Phase vs Single-Phase Transformer
A three-phase transformer is used in systems that require the transmission of large amounts of power, typically for industrial and