Electrical Engineering Guides

Basic Electrical

Star-Delta transformation Theorem

The Star-Delta transformation is a technique in electrical engineering that allows the impedance of a three-phase electrical circuit to be transformed from a “delta” configuration to a “star” (also known as “Y”) configuration, or vice versa. The delta configuration is a circuit in which the three ph

By Rabert T 03/09, 2024
Basic Electrical

Magnetic Reluctance: What is it?

What is Reluctance? Magnetic reluctance (also known as reluctance, magnetic resistance, or a magnetic insulator) is defined as the opposition offered by a magnetic circuit to the production of magnetic flux . It is the property of the material that opposes the creation of magnetic flux in a magnetic

By Electrical4u 03/09, 2024
Electrical Basics

Delta-Star transformation Theorem

The Delta-Star transformation is a technique in electrical engineering that allows the impedance of a three-phase electrical circuit to be transformed from a “delta” configuration to a “star” (also known as “Y”) configuration, or vice versa. The delta configuration is a circuit in which the three ph

By Rabert T 03/09, 2024
Electrical Basics

Fleming’s Right-Hand Rule

Fleming’s Right-Hand Rule is a principle in electromagnetism that describes the relationship between the direction of the current in a conductor, the direction of the magnetic field around the conductor, and the direction of the force on the conductor. Fleming’s Right-Hand Rule states that if the th

By Rabert T 03/09, 2024
Electrical Laws

Fleming’s Left-Hand Rule

Fleming’s Left-Hand Rule is a principle in electromagnetism that describes the relationship between the direction of the current in a conductor, the direction of the magnetic field around the conductor, and the direction of the force on the conductor. It is similar to Fleming’s Right-Hand Rule, but

By Rabert T 03/09, 2024
Basic Electrical

Grounding Conductor: What is it and how Do You Calculate it?

The method of connecting non-current carrying portions to earth or ground, such as the metallic frame of an electrical device or certain electrical components of a power system, such as the neutral point of star-connected system, is known as grounding, also referred to as earthing. To avoid accident

By Rabert T 03/08, 2024
Basic Electrical

Electrical Diagrams & Drawing Types

For the purpose of accurately representing a specific electrical system or circuit in Electrical and Electronics Engineering, many forms of drawings and diagrams are used. These electrical circuits are shown using lines, which stand in for wires, and symbols or icons, which are used to represent the

By Rabert T 03/08, 2024
Nominal Voltage

Nominal Voltage: What is it?

What is Nominal Voltage? Nominal voltage is a value assigned to a circuit or system to designate its voltage class conveniently(e.g. 120/240 volts, 300 volts, 480Y/277 volts). The actual voltage at which a circuit operates can vary from the nominal voltage within a range that permits satisfactory op

By Electrical4u 03/08, 2024
SWR Meter

SWR Meter: What Is It & How To Use It

What is an SWR Meter? A standing wave ratio meter – also known as an SWR meter, ISWR meter (current “I” SWR), or VSWR meter (voltage SWR) – is defined as a device that measures the standing wave ratio (SWR) in a transmission line. The SWR meter indirectly measures the degree of mismatch between a tr

By Electrical4u 03/08, 2024
Current Divider Rule

Current Divider Rule: What is it?

What is a Current Divider? A current divider is defined as a linear circuit that produces an output current that is a fraction of its input current. This is achieved through the connection of two or more circuit elements connected in parallel, the current in each branch will always divide in such a

By Electrical4u 03/08, 2024
Basic Electrical

Voltage: What is it?

What is Voltage? Voltage (also known as electric potential difference, electromotive force emf, electric pressure, or electric tension) is defined as the electric potential difference per unit charge between two points in an electric field . Voltage is expressed mathematically (i.e. in formulas) usi

By Electrical4u 03/08, 2024
Basic Electrical

Electronic Ballast: Working Principle & Circuit Diagram

What is meant by Electronic Ballast? An electronic ballast, also referred to as an electrical ballast, is a component of equipment that controls the starting voltage currents of the lighting fixtures. This is accomplished by the use of the electrical gas discharge technique. To start the gas dischar

By Rabert T 03/08, 2024

Free Expert Guides on Power Systems, Circuit Design & Electrical Troubleshooting

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Star-Delta transformation Theorem

Magnetic Reluctance: What is it?

Delta-Star transformation Theorem

Fleming’s Right-Hand Rule

Fleming’s Left-Hand Rule

Grounding Conductor: What is it and how Do You Calculate it?

Electrical Diagrams & Drawing Types

Nominal Voltage: What is it?

SWR Meter: What Is It & How To Use It

Current Divider Rule: What is it?

Voltage: What is it?

Electronic Ballast: Working Principle & Circuit Diagram

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