5
MVW01C (COMPACT)
Inverter Arms
The inverter arms are identical and contain:
04 medium voltage IGBT modules.
01 medium voltage diode module.
01 power heatsink.
01 Flat busbar.
04 gate driver boards (one for each IGBT).
04 gate driver adapter boards.
04 isolated DC/DC converters (gate driver board power supply).
01 heatsink temperature sensor (NTC resistor).
01 ISOX.02 Signal Feedback Board.
01 NPC resistor.
The arm has mechanical structure formed by bulk molding compound (BMC) (polyester resin and fiberglass) and steel plates, chemically treated
to ensure resistance to corrosion.
The electric connection of the arms to the power busbars of the DC link is done by means of finger contacts located at the front of the capacitor
bank.
Connection bars
DC/DC converters
ISOX board
Laminated busbar
Heatsink
IGBTs
Figure 5.5: MVW-01C power arm
MVW01 | 5-5
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