Power Electronics for the Next Generation Wind Turbine System by Ke Ma

Power Electronics for the Next Generation Wind Turbine System by Ke Ma

Author:Ke Ma
Language: eng
Format: epub
Publisher: Springer International Publishing, Cham


Converter stress

Typical 3-wire system

4 or 6-wire system

Control A

Control B

Control A

Control B

Active power osc. P osc

0.5

0

0

0

Reactive power osc. Q osc

0.5

1.3

0

0.3

Current in faulty phase I fault

1.5

3

1

0

Current in normal phase I norm

1.5

2

2

2

Typical three-wire converter

Control A no negative sequence current

Control B no active power oscillation

Converter with zero-sequence current path

Control A no active and reactive power oscillations

Control B no active power oscillation and no negative seq. current



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