Circuit breaker in substation in Uae

What is a circuit breaker in a substation?

A circuit breaker in substation is a key component in electrical power systems, designed to interrupt the flow of electricity when a fault occurs, such as a short circuit or overload. Depending on system design, these devices can operate manually or automatically and come in various types, including air, vacuum, oil, and SF₆ gas.

How many 132/11 kV substations has EEE completed?

EEE has completed 50 Nos 132/11 kV Substations on turnkey basis and several critical brownfield projects that has been satisfactorily completed & commissioned so far. Engineers with vast experience in design, erection, testing and commissioning of various equipment, are backed by well-equipped range of test equipment and tools.

What is a power interrupter?

It is a critical protective device that interrupts electrical current during fault conditions like short circuits or overloads. ✅ Automatically interrupts electrical current during faults to protect substation equipment like transformers and busbars.

What is the difference between OBC and SF6 arc Breakers?

Oil (OCB) use insulating oil to suppress arcs. They are more common in legacy systems and require ongoing maintenance due to oil degradation. SF₆: These breakers, employed in high-voltage substations, use sulphur hexafluoride gas for superior arc quenching and insulation.