INVERTER, AND INVERSION SYSTEM AND METHOD - HUAWEI DIGITAL POWER TECH CO LTD

Title:

INVERTER, AND INVERSION SYSTEM AND METHOD

Document Type and Number:

WIPO Patent Application WO/2022/000248

Kind Code:

A1

Abstract:

Disclosed by the present application are an inverter, and an inversion system and method. The inverter comprises an inverter circuit and a controller. When at least one preset condition among the following conditions is met, the controller adjusts at least one parameter among the operating frequency, the operating voltage, and the operating current of the inverter to increase the loss of the inverter itself; the at least one preset condition is: the output power of the inverter circuit is lower than a power preset value, the output current of the inverter circuit is lower than a current preset value, and the operating temperature of the inverter is lower that a preset temperature value or the operating humidity of the inverter is higher than a preset humidity value. When any one of the following conditions are met, the inverter can increase its own loss to increase the operating temperature of the inverter or reduce the operating humidity of the inverter, thus ensuring that the inverter can operate safely and reliably. There is no need to add additional heating apparatuses, which reduces the costs of the inverter, and there is also no need to alter the original structural design of the inverter.

Inventors:

GAO YONGBING (CN)
CHEN DONG (CN)
SHI LEI (CN)

Application Number:

PCT/CN2020/099176

Publication Date:

January 06, 2022

Filing Date:

June 30, 2020

Export Citation:

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Assignee:

HUAWEI DIGITAL POWER TECH CO LTD (CN)

International Classes:

H02M1/08

Foreign References:

CN201188195Y	2009-01-28
CN107919793A	2018-04-17
CN101442864A	2009-05-27
CN110277930A	2019-09-24

Other References: