| 摘要 |
FIELD: physics. ^ SUBSTANCE: current pickup comprises magnetic toroidal core 301, primary 302 carrying measured current and coiled around said toroidal core, secondary 406 coiled around said core, electronic oscillation generator 303 connected in between earth 311 and secondary first contact 407, measurement resistor (Rsense) connected in between earth and secondary second contact 408 via separation circuit 304. ^ EFFECT: expanded performances, better linear characteristics. ^ 7 cl, 5 dwg |
