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.

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, ABB’s solid-state circuit breaker guarantees 70% less power losses during the conduction phase.

How fast can a solid state circuit breaker detect a short circuit?

ABB’s solid-state circuit breaker can detect and respond to a short circuit fault 100 times faster than a mechanical circuit breaker. Energy storage systems and their corresponding electrical grid services are strongly affected by the downtime in case of an internal fault.

What is the difference between a mechanical and solid-state circuit breaker?

Solid-state technology guarantees an extremely fast interruption and clears a fault in a few microseconds. In comparison, a mechanical circuit breaker with the same frame size takes a few milliseconds. ABB’s solid-state circuit breaker can detect and respond to a short circuit fault 100 times faster than a mechanical circuit breaker.

Which breaker is in a red cluster?

The electric circuit breaker, SSCB, power electronic, fault detection, and power converter are in the red cluster which determines a strong bonding between them.

Can self-powered ultra-fast sscb be used for DC distribution protection systems?

The research conducted by Z. John Shen et al. aims to prove the concept of self-powered ultra-fast SSCB for DC distribution protection systems under low voltage levels of below 1000 V. The newly developed two-terminal of SSCB can be directly placed in a circuit branch without requiring an external power supply to operate.