An automatic transfer switch (ATS) is a crucial component in standby electric systems. They are designed to seamlessly transfer electrical loads from a primary power source (usually the utility or …
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 …
An electrical fuse is the simplest current interrupting device for protection against excessive current. Fuses are divided into two primary categories: Low voltage fuses and High voltage fuses. What is …
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 …
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 …
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 …
A transmission switching system is an essential component of the electricity supply network. It enables electricity transmission from one line to another for end users. It also helps ensure that …
Earthing does not guarantee that humans will be safe when they come into contact with live conductors. Although relays may be installed to detect earth leakages, typically their settings are …
Shackle insulators are one type of overhead insulator used to provide insulation to conductors on low voltage power lines. It is also known as a spool insulator or a butterfly …
A Type B MCB is a common type of miniature circuit breaker used to protect low power domestic circuits and residential application from overcurrent and short circuit faults. The MCB …
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 …
A ground fault circuit interrupter (GFCI or GFI) is an inexpensive electrical switchgear device that can either be installed in your electrical system or built into a power cord to protect …
Definition A circuit breaker means the device which breaks (Open) the circuit under the abnormal condition and protects the system from hazards. The function of a circuit breaker is to isolate …
A current transformer (CT) is a type of transformer that is used to measure AC current. It produces an alternating current (AC) in its secondary which is proportional to the AC …