| 简介 |
PROBLEM TO BE SOLVED : To provide an electrical device control system capable of preventing the detection accuracy and durability of a current detection means from being degraded while suppressing radio interference by an LC filter.
SOLUTION : An ECU 9 comprises a CPU 41 as a calculation control means, a switch circuit 42, positive and negative connection terminals T1, T2 to which an MLV 32 is connected, an LC filter 43 installed between the switch circuit 42 and both connection terminals T1, T2 and an earth E, a current detection circuit 44 installed between the switch circuit 42 and the LC filter 43, a flywheel diode 45 installed between the earth E and the upstream side of the current detection circuit 44, and a power terminal T3 to which a battery power B is connected.
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