Inrush current test device
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United States of America
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Apr 20, 2021
Grant Date -
Mar 11, 2021
app pub date -
Nov 21, 2019
filing date -
Nov 21, 2019
priority date (Note) -
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Abstract
An inrush current test device is adapted to receive an alternating current. The inrush current test device includes: a first isolation coupling component, a positive crossing point pulse generation circuit, an output circuit, and a control circuit. The first isolation coupling component includes a primary side and a secondary side, and is responsive to the alternating current on the primary side and conducts the secondary side. When the secondary side transits from an off state to an on state, the positive crossing point pulse generation circuit generates a positive crossing point pulse. When the control circuit is actuated and the positive crossing point pulse is detected, after delaying for a delay time, the control circuit outputs a control pulse for actuating the output circuit for a first operating time. The output circuit is configured to receive the alternating current and output the alternating current when the output circuit is actuated.
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