A solid state circuit-breaker switch has a first solid state switch coupled to a positive terminal
of a high voltage source, a second solid state switch coupled to a return terminal of the high …

A switching circuit that is particularly applicable to high voltage 3 phase solid state circuit
breakers (SSCB). The circuit comprises a solid state switch; an energy absorbing device …

(57) ABSTRACT A solid state circuit breaker which provides high voltage isolation between
a control circuit and a power source is described. The circuit breaker comprises a receiver …

Methods and apparatus for switching a load between first and second sources is shown to
include first and second solid state switches connected to the load. First and second …

Primary Examiner—Stephen W Jackson (74) Attorney, Agent, or Firm—Nitin N. Joshi (57)
ABSTRACT A direct current circuit breaker includes main circuit for carrying a main-path …

US3851218A - Direct current solid state circuit breaker - Google Patents US3851218A - Direct
current solid state circuit breaker - Google Patents Direct current solid state circuit breaker …

The device according to the invention in character ized by the fact that said case presents in
its rear part a first housing confined by an external metal plate form ing the back of the case …

A circuit breaker is provided which comprises: 0010 a first saturable unipolar switch
comprising a source a gate and a drain; 0.011 a first diode connected between the source …

(57) ABSTRACT A system and method for operating a semi-conductor based circuit breaker
as a transient current limiter includes a semi conductor switch that operates in a linear mode …

(57) ABSTRACT A circuit breaker comprises a solid-state switch, an air-gap electromagnetic
switch, switch control circuitry, a zero crossing detection circuit, and a current sensor. The …