Systems and methods for augmenting diode rectifiers with active compensators

A diode rectifier and compensator technology, applied in reactive power compensation, active power filtering, reactive power adjustment/elimination/compensation, etc., can solve the problem that the generator unit does not work or control with optimal efficiency
CN103956765BActive Publication Date: 2018-04-06ABB (SCHWEIZ) AG
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Patent Information

Authority / Receiving Office
CN Ā· China
Patent Type
Patents(China)
Current Assignee / Owner
ABB (SCHWEIZ) AG
Publication Date
2018-04-06

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Abstract

The subject matter described herein includes an actively compensated augmented diode bridge rectifier system. According to one aspect, the system includes: a generator unit configured to generate a current flow consisting entirely of real current; and a diode rectifier configured to receive the real current from the generator unit to direct the real current to the connected power grid and receives reactive current. The system also includes an active compensator configured to optimize the generator unit to generate real current and generate reactive power to facilitate operation of the diode rectifier.
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Description

technical field

[0001] The subject matter described herein relates to providing a source of reactive power for an electric machine generator. More specifically, the subject matter described herein relates to systems and methods for augmenting diode rectifiers with active compensators. Background technique

[0002] Currently, 100% kilovolt-ampere (kVA) rated power converter wind energy solutions are more prevalent despite the fact that the market is dominated by doubly-fed induction generators (DFIG) utilizing 40% kVA rated (approximate) power converters . In particular, wind power system solutions based on 100% kVA rated power converters can offer attractive features such as improved low voltage ride through (LVRT) capability, better generator utilization, and wider speed range. However, a 100% kVA rated power converter wind energy solution is more expensive, heavier and larger than a 40% kVA rated power converter. To overcome the aforementioned disadvantages, a diode bri...

Claims

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