JFY tech JSI-1100TL Installation And Operator's Manual
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www.JFY-tech.com215.3 Monitor InverterAfter RS232 or RS485 link is connected correctly, open JFY monitoring software“JFY communicator” that is installed from the attached CD, the user can monitor theinverters. The right side of the main interface is the detailed information of inverter.As to more detailed setting methods and other functions, please refer to “JFYcommunicator user’s manual” in the CD.6. INTERFACE PROTECTION AND SETTINGPOINTSIncorporated interface protection is designed according to G83(E.g.), it is insensitiveto normal voltage and frequency variations in AC grid.The interface protections ensure that the inverter cease to energize AC grid whenany parameters listed as below exceeds the applied operating setting points.Disconnection is provided in case of any hardware malfunctioning.The solar inverter will cease to energize AC grid in response to an interfaceprotection, it is achieved by the simple isolation of two internal AC relays in series.Default interface protection settingsParameters Setting trip time Setting protection pointOver voltage 60ms 264VacUnder voltage 60ms 198VacOver frequency 60ms 50.49HzUnder frequency 60ms 47.51HzLoss of the Mains 120ms ---DC injection current 120ms 500mAPV array Insulationresistance 100ms 1MohmReconnection time 20s ---Sudden change ofresidual current240ms 25mA60ms 45mA20ms 120mAContinuous changeof residual current 170ms 240mA |
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