Power module for medium and high-voltage frequency converter and frequency converter comprising same

Patent metadata

Field	Value
Publication number	US-2016149506-A1
Application number	US-201314889179-A
Country	US
Kind code	A1
Filing date	Oct 12, 2013
Priority date	May 22, 2013
Publication date	May 26, 2016
Grant date	—

Abstract

A power module for medium and high-voltage frequency converter and a frequency converter comprising same. The power module has a three-phase alternating current input and a single-phase alternating current output, and comprises a circuit board ( 100 ), a rectifying module ( 120 ), a capacitor bank ( 130 ), and an inverting module ( 140 ), wherein the rectifying module, the capacitor bank and the inverting module are all mounted on the circuit board. The power module has a compact structure and is convenient to cool.

First claim

1 . A power module for medium and high-voltage frequency converter, having a three-phase AC input and a single-phase AC output, comprising:
a circuit board; a rectifying module; a capacitor bank; and an inverting module; wherein the rectifying module, the capacitor bank, and the inverting module are all mounted on the circuit board.

2 . The power module according to claim 1 , wherein the capacitor bank includes capacitors and at least part of the capacitors in the capacitor bank are welded on the circuit board.

3 . The power module according to claim 2 , comprising: a control board mounted on the circuit board.

4 . The power module according to claim 3 , wherein active capacitors in the capacitor bank are configured to stand on the circuit board.

5 . The power module according to claim 1 , further including: a supporting structure for supporting the circuit board.

6 . The power module according to claim 1 , further including: a housing, with a recess provided at rear end thereof.

7 . The power module according to claim 5 , further including: a housing, with a recess provided at rear end thereof.

8 . The power module according to claim 6 , wherein the housing further includes a positioner thereon.

9 . The power module according to claim 7 , wherein the housing further includes a positioner thereon.

10 . The power module according to claim 1 , wherein the circuit board further includes a relay and a charging resistor thereon.

11 . The power module according to claim 1 , further including: at least two fuses arranged in parallel with the circuit board and in parallel with each other.

12 . The power module according to claim 1 , wherein the rectifying module, the capacitor bank and the inverting module are configured for cooling air flow.

13 . The power module according to claim 1 , further including: an auxiliary computer.

14 . A converter, including the power module according to claim 1 .

15 . A power module for a medium or a high-voltage frequency converter, comprising:
a circuit board; a rectifying module mounted on the circuit board; a capacitor bank mounted on the circuit board; an inverting module mounted on the circuit board; and wherein the power module includes a three-phase AC input and a single-phase AC output.

16 . The power module according to claim 15 , wherein the capacitor bank includes capacitors welded on the circuit board.

17 . The power module according to claim 15 , further including:
a control board mounted on the circuit board.

18 . The power module according to claim 15 , wherein the capacitor bank includes capacitors configured to stand on the circuit board.

19 . The power module according to claim 15 , further including:
a supporting structure for supporting the circuit board.

20 . The power module according to claim 15 , wherein the circuit board further includes a relay and a charging resistor.

Assignees

• Abb Technology Ltd

Inventors

• Voegeli Andreas
• Luo Shen

Classifications

• H02M7/003

  Constructional details, e.g. physical layout, assembly, wiring or busbar connections · CPC title

• H02M5/458

  using semiconductor devices only · CPC title

• H05K7/20009

  using a gaseous coolant in electronic enclosures (in cabinets of standardized dimensions H05K7/20536; in server cabinets H05K7/20709; in vehicle electronic casings H05K7/20845; in power control electronics H05K7/2089; in displays H05K7/20954) · CPC title

• H05K5/0217

  Mechanical details of casings (covers, lids, hoods or members for covering apertures H05K5/03) · CPC title

• H02M5/40 Primary

  with intermediate conversion into DC · CPC title