Power transformers are among the most expensive and important assets in any electrical power system. During transportation, installation, and service, […]
Generator protection is one of the most important topics in power system engineering. A generator is a high-value machine, and
Every electrical circuit needs a source of energy to function. Voltage sources and current sources are the two fundamental building
Transformers are among the most expensive and important assets in any power system. They operate continuously under demanding conditions, and
Faraday’s Law of Electromagnetic Induction is one of the most foundational principles in electrical engineering and physics. Michael Faraday discovered
Power systems are designed to operate under balanced and stable conditions. However, faults occur in electrical networks due to insulation
A Star Delta Starter is one of the most widely used reduced voltage starting methods for three-phase induction motors in
Power transformers rank among the most expensive and valuable pieces of equipment in any electrical power system. A single large
Every transformer installed in a power system has an inherent opposition to current flow, known as transformer impedance. This single
Magnetic flux is one of the foundational concepts in electrical engineering and physics. It describes the total magnetic field passing
Every transformer experiences a change in its secondary terminal voltage as load increases from zero to its rated value. This
Overcurrent protection is the foundation of power system protection engineering. Every electrical network needs a well-coordinated relay protection scheme to
Every transformer that enters service in a power system must undergo specific tests to verify its performance characteristics. Among these
Undervoltage protection plays a major role in keeping electrical equipment safe from damage caused by low voltage conditions. Motors, generators,
Distribution transformers worldwide lose an estimated 500 TWh of energy every year. That figure rivals the total electricity consumption of
In power system protection, relay settings determine how quickly and accurately a fault is detected and cleared. One of the
Every electrical engineering student comes across the terms voltage, electromotive force (EMF), and potential difference early in their coursework. Most
In power system protection, relays are used to detect faults and send trip signals to circuit breakers. But not every
The open circuit test is one of the first tests every electrical engineering student learns about transformers. It answers a
Busbar differential protection is one of the most important protection schemes in electrical substations. The busbar is a common connection
The transformer turns ratio is one of the most fundamental concepts in electrical engineering. Whether you are a student learning
Restricted Earth Fault (REF) protection is one of the most sensitive protection schemes used for detecting ground faults within power
If you are studying electrical engineering or working with alternating current (AC) circuits, three terms will come up again and
Shaded pole induction motors are among the simplest types of single-phase AC motors found in electrical engineering applications. These motors
Differential protection relays are the primary protective devices used for power transformers, generators, busbars, and large motors in electrical power
Distance protection relays are the primary protective devices used in high voltage transmission lines across power systems worldwide. These relays
Protection relays form the backbone of power system safety. Among various protection schemes, directional overcurrent and earth fault relays hold
Electrical protection devices play a major role in keeping our homes, offices, and industrial facilities safe from electrical hazards. When
When a circuit breaker opens to interrupt a fault current in a power system, the voltage across the breaker contacts
When working with electrical machines and equipment, testing the condition of insulation is one of the most important tasks an
