JJG_DL_01-1994电测量变送器检定规程
来源：爱够旅游网
——’’’’’’’Anm
3∑Aj−Am−1j=1mARi=∑AimRfAimγγγγri=UmVAimIiH∑Aim∑Aim=A1m+A2m+2A3m+2A4m1=200×300=75(Ω)1×8002=200×200=50(Ω)1×800200×100=25(Ω)1×800200×50=12.5(Ω)3=4=1×800UX−UR×10000UFUY−UR×10000UFIX−IR×10000IFIY−IR×10000IFoP1=UBCIAcos90−A+UBCIBcos150o−B=UBCIAsin=UIsinA−UBCIBcos30o+B−UIcos30o+P2=UABICcos90o−=UABICsin=UIsinC+UABIBcos30o−BC+UABIBcos30o−B+UIcos30o−P=P1+P2=UIsin−UIcos30o++UIsin+UIcos30o−=3UIsin=3QQ=333P23/3P1=UBCIAcos90o−A=UBCIAsinA=UIsinP2=UABICcos90o−C=UABICsinC=UIsinP=P1+P2=2UIsin=2=233Q33UIsinBS=kmASP1=UBCIAcos90o−P2=UCAIBcos90o−P3=UABICcos90o−A=UBCIAsin=UCAIBsin=UABICsinA=UIsin=UIsin=UIsinBBCCP=PUIsin1+P2+P3=3=3×3UIsin=3Q3/3P1=UCIAcos60o−P2=UAICcos120o−A=UXIcos60o−=UXIcos120o−+UXIcos120o−CP=P1+P2=UXIcos60o−=3UXIsin=UIsin=33Q3/33/3km=12×233=3323km=333/3km=23/3AS=3×100×5=866varkm=23/33/33/2P1=UBCIAcos90o−=UBCIAsin=UIsinA+UBCIBcos150o−BA−UBCIBcos30o+B−UIcos30o+P2=UABICcos90o−=UABICsin=UIsinC+UABIBcos30o−BC+UABIBcos30o−B+UIcos30o−−UIcos30o+P=P1+P2=UIsin+UIsin+UIcos30o−=3UIsin=3QP1=P2=32QP1=P2=2UDIDcosD=2UBCIAcos=2UBCIAcos90o−A=2UBCIAsinA=2UIsin=233Qk=233Q32Q=433/3km=23/3km=233k=23343=323/3P1=UBCIAcos90o−=UBCIAsin=UIsinA+12UBCICcos150o+CA−12UBCICcos30o−C−12UIcos30o−P2=UABICcos90o−=UABICsin=UIsinC+12UABIAcos30o+AC+12UABIAcos30o+A+12UIcos30o+−12UIcos30o−P=P1+P2=UIsin+UIsin+12UIcos30o+=32UIsin=32QP1=P2=34QP1=P2=UDID+ID2cosD=32UBCIAcos=32UBCIAcos90o−=32UBCIAsin=32UIsin=32QAAK=32Q34Q=23/3km=23/3km=233k=2332=33Q=3UIsin=3UIsin(−30ο)=−(3/2)UIQ=3UIsin150ο=(3/2)UIP=UDIDcosD=UBCIAcos=UBCIAcos90o−A=UBCIAsinA=UIsin=33QkmP1=UabIAcos90o−30o−=UABIAsin=UIsin+30oAA+30oP2=UabIccos90o+30o−=UCBICsin=UIsinCC−30o−30oP=P1+P2=UIsin+30o+UIsin−30o=3UIsin=Q°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°ΔA=CAF×10−3ΔA=0.5×20−4×10−3=0.008mAΔA=0.1C00ΔA=0.1×0.2500=0.02500
