Title:
GATE DRIVE CIRCUIT
Document Type and Number:
WIPO Patent Application WO/2018/216251
Kind Code:
A1
Abstract:
A series circuit comprising first and second switching elements (1, 2), and a series circuit comprising third and fourth switching elements (3, 4) are connected in parallel to a direct current power supply (7), a reactor (6) is connected between a first node (11), i.e., a connecting point between the first and second switching elements (1, 2), and a second node (12), i.e., a connecting point between the third and fourth switching elements (3, 4), the first node (11) is connected to a gate terminal of a semiconductor switch (9), a diode (8) is connected between the second switching element (2) and the negative electrode terminal of the direct current power supply (7), and a switching control circuit (50) that controls on/off operations of the first to fourth switching elements (1-4) is provided.
Inventors:
TAN YOHEI (JP)
ONDA KOHEI (JP)
KONDO RYOTA (JP)
ONDA KOHEI (JP)
KONDO RYOTA (JP)
Application Number:
PCT/JP2017/045072
Publication Date:
November 29, 2018
Filing Date:
December 15, 2017
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02M1/08; H03K17/16; H03K17/687
Foreign References:
| JP2015119625A | 2015-06-25 | |||
| JP2016123199A | 2016-07-07 | |||
| JP2011077462A | 2011-04-14 | |||
| JP2016040967A | 2016-03-24 |
Attorney, Agent or Firm:
MURAKAMI Keigo et al. (JP)
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