| 摘要 |
An electronic control circuit for adjusting the control voltage of a device to be controlled, the control circuit comprising a primary coil (N1), a control bus (1) comprising means (Z1) for adjusting the control voltage, parallel-connected with the first capacitor (C1), the parallelling being further series-connected with the first secondary coil (N2) and a first control diode (D1), and a control voltage supply circuit (2) comprising a series-connected second secondary coil (N3), a second control diode (D2) and a second capacitor (C2). The primary coil (N1) is connected between a first node and a second node of the device to be controlled, and the nodes in the connection are selected such that the current in an electric circuit between them at least momentarily reaches the value zero.
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