A、负载相电压:U<sub>Δ相sub>=3U<sub>Y相sub> B、线电流:I<sub>Δ相sub>=3I<sub>Ysub> C、功率:P<sub>Δsub>=3P<sub>Ysub> D、相电流:II<sub>Δ相sub>=I<sub>Ysub> E、承受的相电压相同
A、负载相电压:U<sub>Δ相sub>=3U<sub>Y相sub> B、线电流:I<sub>Δ相sub>=3I<sub>Ysub> C、功率:P<sub>Δsub>=3P<sub>Ysub> D、相电流:II<sub>Δ相sub>=I<sub>Ysub> E、承受的相电压相同
A、Y<sub>Fa1sub><y<sub>Fa2 B、Y<sub>Fa1sub>>Y<sub>Fa2sub> C、Y<sub>Fa1sub>=Y<sub>Fa2sub> D、条件不足,无法判断 y<sub>
A、Y<sub>Fa1sub>≤Y<sub>Fa2sub> B、Y<sub>Fa1sub><Y<sub>Fa2sub> C、Y<sub>Fa1sub>=Y<sub>Fa2sub> D、Y<sub>Fa1sub>>Y<sub>Fa2sub>
A、x'<sub>1sub>>x<sub>1sub>和y'<sub>1sub>>y<sub>1sub> B、x'<sub>1sub><x<sub>1sub>和y'<sub>1sub><y<sub>1sub> C、x'<sub>1sub>=x<sub>1sub>和y'<sub>1sub>=y<sub>1sub> D、不确定
A、y<sub>n+1sub>〉y<sub>nsub>〉y<sub>n-1sub> B、y<sub>n+1sub>〈y<sub>nsub>〈y<sub>n-1sub> C、y<sub>n+1sub>=y<sub>nsub>=y<sub>n-1sub> D、不确定
A、F=x·y-x<sub>asub>·y<sub>asub>; B、F=x<sub>asub>·y-y<sub>asub>·x; C、F=x<sub>asub>·x-y<sub>asub>·y; D、F=x<sub>asub>+y<sub>asub>-x-y