ELECTROMAGNETIC ACTUATOR

摘要

An electromagnetic actuator (100) is capable of providing a high speed driving force, for example, for driving the contacts of a circuit breaker or similar power distribution equipment. The electromagnetic actuator may use a directly powered moving coil element (110) in combination with one or more energized stationary coils (106,108) to generate an output force using reduced requirements for current, voltage and current/voltage rate-of-change. Precise control of actuator motion is obtained by permitting different supply voltages, firing times and capacitor supplies. The electromagnetic actuator (100) may further incorporate a return spring arrangement (138) and a magnetic latch arrangement (120).