A current limiting reactor, also known as a series reactor, is an inductive coil with a large inductive reactance compared to its resistance. It is used to limit short-circuit currents …
A high voltage fuse is a type of electrical fuse specifically designed and rated for use in electrical systems with voltages exceeding 1,000 volts AC. The low voltage fuses have …
In the complex world of electrical substations and power distribution, ensuring the safety and reliability of substation equipment is paramount. One crucial component in this equation is the high-speed grounding …
Load break switches are essential components within electrical substations. These switches play a vital role in managing electrical currents by safely disconnecting and reconnecting circuits. To comprehend their significance and …
The Tan Delta Test, also known as the Loss Angle Test or Dissipation Factor Test, is a crucial diagnostic technique used in the field of electrical insulation testing. This test …
Pin type insulators are a critical component of electrical transmission systems, ensuring the safe and efficient transmission of electricity. Designed to withstand high voltages, these insulators provide insulation between overhead …
Percentage reactance of power system elements such as generator, transformer and reactor are extensively used in short circuit calculation when any fault occurs in the system. Most faults in the …
Load duration curves are used in power stations to illustrate the relationship between generating capacity requirements and capacity utilization. A load duration curve (LDC) is similar to a load curve …
Disconnect switches are mechanical devices that play a vital role in high-voltage systems by providing an open point in an electrical circuit. They are primarily used for the isolation of …
If a person receives an electric shock, it is the utmost duty of the observer to rescue the person. The first step is to disconnect the person immediately from the …
What is a switching station? A switching station is a substation that does not contain power transformers and therefore does not change system voltage from one level to another. Switching …
In this article, you will learn different types of substation bus configuration and their application. The equipment and buses installed in the substation switchyard are arranged and connected in specific …
This article covers transformer impedance testing, one of the acceptances tests for new transformers, and a method for routine testing. The results of this test should compare directly to the …
An electrical substation is an integral part of a generation, transmission and distribution system. A substation can interrupt or establish electrical circuit, change the voltage, frequency or other characteristics of …
Transformer bushing types are categorized based on their material, manufacturing, and design mainly into the following types: OIP (Oil-Impregnated Paper) Bushing RIP (Resin Impregnated Paper) Bushing RIS (Resin Impregnated Synthetic) …
This article explains the measurement of three-phase power in star connected or delta connecter load using the wattmeter methods. The power in a three phase load can be measured by …
