Electrical Technology 2020-3-24

2020-03-24View Original

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This post was last edited by sdscj0122 on 2020-3-24 at 18:47. It is a true/false question; please answer whether it is correct or incorrect. 3 points are awarded for a correct answer, 2 points for an incorrect one, and 5 points for a detailed explanation of the reason. In the secondary circuit wiring diagram, the contacts of all relays and contactors are shown according to their positions when powered on. (Mistake)

Reply #22020-03-24

Error. It is indicated by the position in the power-off state.

Reply #32020-03-24

Error. In the secondary circuit wiring diagram, the contacts of all relays and contactors are shown in their position when not powered.

Reply #42020-03-24

Error, indicated by the position in the power-off state.

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Electrical Technology 2020-3-24

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