Three-phase rectifier fault assessment device
A three-phase rectifier and three-phase rectifier technology are applied in the simulation devices, instruments, transportation and packaging of space navigation conditions, which can solve the problems of large learning barriers of full-bridge converters and achieve the effect of improving professional skills.
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[0009] Below in conjunction with accompanying drawing and embodiment the present invention is specifically introduced as follows:
[0010] The invention discloses a fault assessment device for a three-phase rectifier, which has a quadrangular box body, and transparent panels around and on the upper part. Phase rectification circuit working status indication "light, there is a three-phase rectifier and auxiliary circuit at the bottom of the box, the three-phase rectification circuit includes input EMI (01), input rectification (02), input filter (03), three-phase rectifier ( 04), TC787 trigger circuit (05), drive circuit (06), protection circuit (07), the input EMI (01) includes a fuse, the input rectifier (02) includes a rectifier diode, and the three-phase rectifier (04) includes Switch tubes Q2 and Q3, rectifier transformer, rectifier diode, output high-frequency filter inductor, the TC787 trigger circuit (05) contains output pulses, the auxiliary circuit includes a relay, t...
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