What is a solid-state breaker?

The solid-state breaker concept replaces the traditional moving parts of an electromechanical circuit breaker with semiconductors and advanced software algorithms that control the power and can interrupt extreme currents faster than ever before.

How solid state circuit breakers are transforming power systems?

With material science advancements, solid-state technology is now playing a crucial role in the modern power systems transformation. After revolutionizing the semiconductor industry, the technology is now penetrating the power systems protection, in the form of Solid State Circuit Breakers (SSCBs), which we cover in this article.

Why is a solid-state circuit breaker important?

Energy efficiency is a crucial aspect for all electrical installations, including those operating on islanded grids such as vessels with an onboard DC grid. Compared to other semiconductor technologies, ’s solid-state circuit breaker guarantees 70% less power losses during the conduction phase.

How do I replace a faulty circuit breaker?

When replacing a faulty circuit breaker, safety is paramount, and a thorough approach is essential. Start by identifying the malfunctioning breaker. Before attempting removal, it’s crucial to verify with a voltage tester that no power is reaching the breaker.

What are circuit breakers used for?

The primary use of these breakers is circuit protection in the event of overload, short circuit and ground faults. The construction of these breakers consists of a frame, contacts, lever, trip unit and an actuator mechanism. The trip unit includes a thermal bimetallic strip that deflects in the event of an overload, thereby opening the contacts.

What are the different types of circuit breakers?

There are different types of circuit breakers for high-voltage, medium-voltage and low-voltage applications. Low-voltage circuit breakers such as molded case circuit breakers or miniature circuit breakers are the ones we typically see in residential panelboards.