Definition of the word circuit breaker

Definition of the word circuit breaker

Pronunciation of vocabulary circuit breaker

circuit breakernoun
cầu dao điện
/ˈsɜːkɪt breɪkə(r)//ˈsɜːrkɪt breɪkər/

Origin of the word circuit breaker

The term "circuit breaker" refers to an electrical device that automatically stops the flow of electric current when it exceeds a predetermined level. This device protects electrical circuits and equipment from damage caused by overloads, short circuits, and other faults. The history of circuit breakers can be traced back to the late 1800s when a French scientist, Charles-Albert engineers, Gerhard and George Tope, independently developed the first known circuit breakers. These initial devices consisted of a switch with a fabric-insulated arc chute that would open the circuit and snuff out the arc once opened. In 1915, another Frenchman, André-Marie Ampère, continued to refine the design, adding a spring-loaded mechanism that would act as a support for the arc chute, enabling quicker disconnection of the circuit. The modern version of the circuit breaker continued to evolve in the following decades, with the introduction of thermal and magnetic trip units, which made them more responsive and reliable. Today, circuit breakers are widely used in various electrical applications, from homes to factories and power grids, and have become an essential component in ensuring electrical safety and preventing equipment damage caused by electrical faults. To sum it up, the term "circuit breaker" refers to an automatic electrical device that stops electric current flow when it exceeds a predetermined level to protect electrical circuits and equipment from damage caused by overloads, short circuits, and other faults.

Example of vocabulary circuit breakernamespace

a device that will stop an electric current if it becomes dangerous

một thiết bị sẽ dừng dòng điện nếu nó trở nên nguy hiểm

a short period during which laws are in place to limit people's movements, especially to require most people to stay at home in order to stop the spread of disease

một khoảng thời gian ngắn trong đó luật pháp được áp dụng để hạn chế sự di chuyển của mọi người, đặc biệt là yêu cầu hầu hết mọi người phải ở nhà để ngăn chặn sự lây lan của dịch bệnh

The four-week circuit breaker will come into force tomorrow with the closure of pubs, bars, restaurants and non-essential shops.
Lệnh giãn cách xã hội kéo dài bốn tuần sẽ có hiệu lực vào ngày mai với việc đóng cửa các quán rượu, quán bar, nhà hàng và các cửa hàng không thiết yếu.