Positive SSL
1 一部5 kW、100 V的直流電動機,其滿載效率為80%,則其滿載電流為
A 40A
B 50A
C 62.5A
D 75A
∵Po=VtILθm ∴滿載電流IL=`P_o/(V_tθ_m)` = `(5*10^3)/(100*80%) = 62.5A