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

專利號
US11888387B2
公開日期
2024-01-30
申請人
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

Converter 205 is connected to a corresponding DC power source 101 at input terminals 314 and 316. The converted power of the DC power source 101 is output to the circuit through output terminals 310, 312. Between the input terminals 314, 316 and the output terminals 310, 312, the converter circuit includes input and output capacitors 320, 340, backflow prevention diodes 322, 342 and a power conversion circuit including a controller 306 and an inductor 308.

Diode 342 is in series with output 312 with a polarity such that current does not backflow into the converter 205. Diode 322 is coupled between the positive output lead 312 through inductor 308 which acts a short for DC current and the negative input lead 314 with such polarity to prevent a current from the output 312 to backflow into solar panel 101.

權(quán)利要求

1
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