Title:
CONTROL METHOD, NEW ENERGY CONVERTER, AND GRID-CONNECTED POWER SYSTEM
Document Type and Number:
WIPO Patent Application WO/2024/093334
Kind Code:
A1
Abstract:
A grid-forming control method for a new energy converter, which method is applied to a new energy converter. The new energy converter comprises a conversion circuit and a controller, an input end of the conversion circuit is used for connecting to a direct-current source, and an output end of the conversion circuit is used for connecting to an alternating-current system. After obtaining the active power of the output end of the conversion circuit, the controller converts the phase of the active power, such that an inertia support feature can be provided in closed-loop control over the active power and frequency. According to the active power subjected to phase delay, the controller quickly controls a voltage parameter of the output end of the conversion circuit, and thus can quickly adjust the voltage of the output end of the conversion circuit without affecting the inertia support feature of an inverter.
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Inventors:
QU ZISEN (CN)
ZHAO MINGQUAN (CN)
WANG SHUO (CN)
XIN KAI (CN)
LIU YUNFENG (CN)
ZHAO MINGQUAN (CN)
WANG SHUO (CN)
XIN KAI (CN)
LIU YUNFENG (CN)
Application Number:
PCT/CN2023/105525
Publication Date:
May 10, 2024
Filing Date:
July 03, 2023
Export Citation:
Assignee:
HUAWEI DIGITAL POWER TECH CO LTD (CN)
International Classes:
H02J3/38; H02J3/24; H02J3/48; H02J3/50
Foreign References:
| CN115764987A | 2023-03-07 | |||
| CN113258603A | 2021-08-13 | |||
| CN110797885A | 2020-02-14 | |||
| CN112003324A | 2020-11-27 | |||
| US20200212823A1 | 2020-07-02 |
Attorney, Agent or Firm:
E-TONE INTELLECTUAL PROPERTY FIRM (GENERAL PARTNERSHIP) (CN)
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