Power conversion device
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United States of America Patent
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Jan 2, 2018
Issued Date -
N/A
app pub date -
Oct 23, 2015
filing date -
Oct 23, 2015
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A first control unit outputs a closing-operation command signal to a first switch at a timing calculated based on either a first closing time or a second closing time, whichever is later. The first closing time is a time required for the first switch to transition to a closed state after the first control unit detects a first detection signal indicating that a voltage detected by a voltage detection unit exceeds a predetermined threshold value. The second closing time is a time required for a second switch to transition to a closed state after the first detection signal is detected by a second control unit. The second control unit outputs a closing-operation command signal to the second switch at a timing calculated based on a first time. This can suppress variations in an operating time between a plurality of switches.
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