| 摘要 |
<p>The value (R) of the current limiting resistor (18) is less than the value (dV) of the front of the priming voltage of the electronic isolator (13) divided by the minimum triggering current value (IGT) required to prime the isolator. The electronic cut-out (13) located between the input (B1) and output (B2) points is driven by control circuit (14), extending from the anode (15) to the trigger (16), and controlled by actuator (17), by means of which a user can directly or indirectly intervene, using the current limiting resistor (18), which is connected in series with the control circuit. the resistance is of the order exceeding 40 ohms, and the isolator is a triac, comprising anti-parallel connected pair (13,13'), associated with each point.</p> |
