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String 90V NEC2020 Solar Rapid Shutdown Solutions

Key Features 
 
  • PV module rapid shutdown meeting NEC 2017 & 2020 (690.12) requirements
  • Bidirectional PLC communication 
  • PV module monitoring: on/off status, temperature, voltage, current, power etc. 
  • Advanced monitoring: inverter performance, module shading, module degradation, soiling 
  • Series and parallel arc fault detection, protection and location 
  • Leak/Ground fault detection and location
 
Availability:


PV Rapid Shutdown System (PVRSS) is one of the fundamental safety factors of disbursed photovoltaic system. Its essential attribute is to reduce the voltage of 30cm away from the PV module to under 30V indoors 30s after the shutdown laptop is started.When the growing the place the PV module is placed requires safety or firefighting, it can correctly quit manageable safety risks such as electric shocks, and protect the lives of renovation personnel and firefighters.


System Components

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PV Rapid Shutdown System (PVRSS) is as an alternative composed of the following PV hastily shutdown devices:




1. Tail Module(FR-PVMS-Txxx): A rapid shutdown module with monitoring, which can rapidly shut down the PV strings and transmit the statistics of the PV strings to the head module through way of the use of the PLC signal.


2. Head Module(FR-PVMS-Hxx): Controls the tail module by the utilization of the PLC signal, and transmit the archives to the predominant controller with the really helpful resource of RS485.


3. Main Controller(FR-PVMS-Mxxx): Displays the power and one-of-a-kind data of the PV strings, and transmit the facts to the cloud platform at the same time. Users can remotely manipulate it with the resource of way of the utilization of the  APP(SafeSolar).




Application Diagram


图片1



Key Technical Specifications


Component Model Item Parameter
Tail Module FR-PVMS-TSXX Input operating voltage range 12V-60V
Accuracy of voltage measuring ±0.2V
Maximum System Voltage 1500V
Output voltage after shutdown V(input)/100
Maximum cont. input current
(Im)
25A@55℃
Reverse current 25A
Accuracy of current measuring ±0.05A
Communication PLC
Communication capability, the
length of cable loop
500m
Operating temperature 40℃~ +80℃
Enclosure Rating NEMA Type 6P/IP68
Safety Compliance UL 1741 (Ed.2, Rev. February 15, 2018),CSA
C22.2 No. 330-17




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