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ULTRASONIC WAVE DEVICE FOR PREVENTING SCALE FROM THE PIPING OF GENERAL FACILITIES AND AN EXPLOSION AREA
ULTRASONIC WAVE DEVICE FOR PREVENTING SCALE FROM THE PIPING OF GENERAL FACILITIES AND AN EXPLOSION AREA
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机译：防止一般设施和爆炸区域规模化的超声波装置
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摘要
PURPOSE: An ultrasonic wave device for preventing scale from the piping of general facilities and an explosion area is provided to extend lifespan of a thyristor by serially connecting two thyristors.;CONSTITUTION: In an ultrasonic wave device for preventing scale from the piping of general facilities and an explosion area, a controller(42) is comprised of a MICOM for controlling a generator(40) and a transducer. A thyristor is arranged in front end and rear end of the transducer. A snubber circuit is connected in parallel with the thyristor. The snubber circuit protects the thyristor from an excessive voltage which is generated in the inductance of a circuit. A choke coil prevents a circuit from a surge reverse voltage.;COPYRIGHT KIPO 2012
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