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

專利號(hào)
US11888387B2
公開(kāi)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(shuō)明書(shū)

Reference is now also made to FIG. 7A which illustrates in more detail converter 705. Converter 705 is equipped with a current sensing mechanism 707 which upon sensing a variation in current through serial string 723 signals controller 306 to shut down and stop converting power. Typically, current sensing mechanism 707 includes an analog/digital converter which continuously feeds data to controller 306. Controller 306 detects a shutdown in current and decides to shut down the converters 705 accordingly.

權(quán)利要求

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