The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 31, 2019
Filed:
Feb. 28, 2017
Sungrow Power Supply Co., Ltd., Hefei, Anhui, CN;
SUNGROW POWER SUPPLY CO., LTD., Hefei, Anhui, CN;
Abstract
A voltage compensation apparatus for a photovoltaic system and a photovoltaic system are provided. The voltage compensation apparatus includes a current direction limiting circuit and a compensation power supply connected in series; or only includes a current direction limiting circuit. The current direction limiting circuit includes at least one limiting device configured to conduct a current in a unidirectional manner. The voltage compensation apparatus is connected between the output terminal of the converter and the ground. The photovoltaic system includes: a photovoltaic array, a converter, a transformer and the voltage compensation apparatus. An output terminal of the converter is connected with a primary side of the transformer, and an input terminal of the converter is connected with the photovoltaic array. The voltage compensation apparatus is configured to raise or lower a voltage at the output terminal of the converter.