What is an Infinite Busbar?

infinite busbar

An infinite busbar has a fixed voltage and frequency even after a variation in the load. A good example of an infinite busbar is alternators that operate parallel to each other. The parallel operations of the machine create a low synchronous impedance in the bus. An infinite bus is so powerful that it imposes its … Read more

What is Relay and Busbar?

Busbars and relays are crucial elements of an electric power system. Protection engineers need to safeguard a busbar against possible faults that may occur on them. A relay plays a significant role in bus bar protection by sending signals as soon as faults occur in the power system. It is used in high-impedance-based applications within … Read more

What Is Busbar Protection?


A busbar is a metallic strip that distributes local high electrical power. It is housed inside switchgear, panel board, and busway enclosures. The main purpose of a busbar is to collect electric power from feeders and transfer it to outgoing feeders. It collects electrical power in one station or location. On the other hand, busbar … Read more

How Much Voltage Drop Can a Busbar Withstand?

Busbars are used in electrical power distribution systems and their main function is to ensure that the current does not exceed the normal operating range of equipment. The quality of a busbar depends on its cross-section area, material type, design and if it is air-cooled or water-cooled. Voltage drop refers to the difference between what … Read more

Why is Busbar Preferred Over Cable?

busbar setup

Busbars allow for power distribution by implementing aluminum or copper conductors to distribute power around a building. A busbar was developed as an alternative to conventional power distribution techniques and help resolve any issues brought about by using cable for power distribution. Busbars are a tried and tested mechanism for power distribution in buildings, especially … Read more