Title:
VOLTAGE DETECTION DEVICE FOR POWER CONVERTER
Document Type and Number:
WIPO Patent Application WO/2023/181214
Kind Code:
A1
Abstract:
A voltage detection device (3) for a power converter detects the output voltage of a power converter that outputs voltage to a load of at least one phase. The voltage detection device (3) comprises: a voltage divider (31) that divides the output voltage and outputs the divided voltage; an integrator (32) that integrates the divided voltage output by the voltage divider (31) and outputs an integrated voltage value; a charger/discharger (35) that, on the basis of the ON/OFF state of a charging/discharging command, modifies the integrated voltage value output by the integrator (32); a comparator (33) that compares the integrated voltage value output by the integrator (32) to a reference voltage and outputs a determination signal indicating the comparison results; and a detection controller (34) that sets the charging/discharging command to ON on the basis of the determination signal output by the comparator (33).
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Inventors:
KOJIMA TETSUYA (JP)
SUZUKI TOSHIKI (JP)
HOEGEN ANNE VON (DE)
DE DONCKER RIK W (DE)
SUZUKI TOSHIKI (JP)
HOEGEN ANNE VON (DE)
DE DONCKER RIK W (DE)
Application Number:
PCT/JP2022/013712
Publication Date:
September 28, 2023
Filing Date:
March 23, 2022
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
G01R19/00
Foreign References:
| JP2001091550A | 2001-04-06 | |||
| JP2006317425A | 2006-11-24 | |||
| JPS52154677A | 1977-12-22 | |||
| JPS62222175A | 1987-09-30 | |||
| JPH09508972A | 1997-09-09 | |||
| US20130049841A1 | 2013-02-28 | |||
| CN112462257A | 2021-03-09 |
Attorney, Agent or Firm:
TAKAMURA, Jun (JP)
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