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Safety mechanisms, wake up and shutdown methods in distributed power installations

專利號(hào)
US11888387B2
公開日期
2024-01-30
申請(qǐng)人
Solaredge Technologies, Ltd(IL Herzeliya)
發(fā)明人
Meir Adest; Guy Sella; Lior Handelsman; Yoav Galin; Amir Fishelov; Meir Gazit; Yaron Binder
IPC分類
H02J1/00; H02M1/32; H02M3/158; G01S3/786; H01L31/02; H02H3/20; H02J1/10; H02J3/46; H02M7/493; H04B3/54; H02J3/38; H02J7/35; H02M1/00
技術(shù)領(lǐng)域
inverter,power,string,voltage,islanding,grid,converter,in,signal,output
地域: Herzliya Pituah

摘要

A distributed power system including multiple DC power sources and multiple power modules. The power modules include inputs coupled respectively to the DC power sources and outputs coupled in series to form a serial string. An inverter is coupled to the serial string. The inverter converts power input from the serial string to output power. A signaling mechanism between the inverter and the power module is adapted for controlling operation of the power modules. Also, for a protection method in the distributed power system, when the inverter stops production of the output power, each of the power modules is shut down and thereby the power input to the inverter is ceased.

說明書

FIGS. 7 and 7A illustrate a system for protection during an islanding condition, in accordance with aspects of the present invention;

FIGS. 7B and 7C illustrate in more detail the system of FIGS. 7 and 7A;

FIG. 7D illustrates a method, according to an aspect of the present invention using the system of FIGS. 7 and 7A;

FIGS. 8 and 8A, illustrate a system for protection during an islanding condition in accordance with other aspects of the present invention;

FIG. 8B illustrates an example wherein a system according to an embodiment of the invention is applied as a retrofit to a prior art system, such as the system of FIG. 1;

FIGS. 9, 9A and 9B illustrate a system for protection during an islanding condition, according to still other aspects of the present invention; and

FIGS. 10 and 10A, illustrate a system for protection during an islanding condition, according to yet other aspects of the present invention.

DETAILED DESCRIPTION

權(quán)利要求

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