Novel IGBT high-pressure series valve controlling and monitoring system
A series valve and valve control technology, applied in the field of new IGBT high-pressure series valve control and monitoring system, can solve unseen problems
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[0031] The block diagram of the IGBT high pressure series valve control and monitoring system is as follows: figure 1 As shown, it mainly includes three parts: IGBT gate circuit, valve control monitoring unit and optical fiber transmission system.
[0032] The optical fiber transmission system consists of two parts: four-channel optical fiber (two high-speed analog signal optical fiber channels, two high-speed digital signal optical fiber channels) for each IGBT level and control monitoring unit; one independent analog signal for each series valve and control detection unit Signal Fiber Channel.
[0033] Four optical fiber channels are used to realize information interaction between the gate circuit of each IGBT and the control and monitoring unit, two of which are high-speed analog signal transmission channels, and two are high-speed digital signal transmission channels. One high-speed analog signal fiber channel is used for real-time monitoring of the voltage state of the I...
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