Invention Grant
- Patent Title: Solar photovoltaic three-phase micro-inverter system and a method for improving the conversion efficiency thereof
- Patent Title (中): 太阳能光伏三相微逆变器系统及其转换效率的提高方法
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Application No.: US14160478Application Date: 2014-01-21
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Publication No.: US09543854B2Publication Date: 2017-01-10
- Inventor: Yuhao Luo , Dongming Zhou
- Applicant: Altenergy Power System, Inc.
- Applicant Address: CN Zhejiang
- Assignee: ALTENERGY POWER SYSTEM, INC.
- Current Assignee: ALTENERGY POWER SYSTEM, INC.
- Current Assignee Address: CN Zhejiang
- Agency: Kilpatrick Townsend & Stockton LLP
- Priority: CN201110201198 20110718
- Main IPC: H02M7/42
- IPC: H02M7/42 ; H02M7/493 ; H02M1/00 ; H02J3/26
Abstract:
The invention provides a solar photovoltaic three-phase micro-inverter system comprising a plurality of three-phase micro-inverters. Every three of the three-phase micro-inverters form a group and are coupled to a three-phase AC power grid. Each of the three-phase micro-inverters comprises 3 single-phase inverter circuits, each of the single-phase inverter circuits comprises 2 conversion circuits, and each of the conversion circuits corresponds to one phase of the three-phase AC power grid. AC outputs of the same conversion circuits of the three micro-inverters in one group are coupled to three-phase live wires of the three-phase AC power grid respectively. Accordingly, the invention provides a method for improving conversion efficiency of the solar photovoltaic three-phase micro-inverter system.
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