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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(shuō)明書

Reference in now made to FIGS. 4, which illustrate system 40, according to an embodiment of the present invention. For simplicity, a single string 423 is shown of distributed power sources, e.g. solar panels 101a-101d connected to respective power modules 405a-d. Serial string 423 is input to conventional inverter 104 through wires 412 and 410. The output of inverter 104 is connected to and supplies electrical power to the electrical grid. At the input of inverter 104, is connected a signaling mechanism 420 which superimposes a signal on serial string 423 through wires 412 and 410 when inverter 104 is converting power to the grid.

權(quán)利要求

1
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