The domestic manufacture of DC power sources for 40 V instrument is imperative.Based on the in-depth analy-sis of the application scenarios and performance indicators of power sources,this paper designs a power source with high reliability,high performance and in line with the characteristics of human-computer interaction engineering interface.Third-party nuclear seismic test,type test,aging test and EMC test show that the specifications of the designed DC power source for 40 V instrument can rival the original foreign products,and has better performance in power safety protection and human-computer interaction.
nuclear power plant instrument power supplyhigh precisionhigh reliabilitydigitizationlocalization
NETL
NSTL
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