Siemens SINVERT 350 manual Causes, Diagnostics, Measures

Page 30

Alarm and fault messages

4.2 Alarm and fault messages

Table 4-2 ISO fault

ISO fault

 

Causes

Damaged, worn-through cables (loose, buffeted by

 

 

wind)

 

 

Cables damaged by animals

 

 

Water in junction box

 

 

Damaged insulation and ingress of water to cable

 

 

duct

 

 

Defective power unit

 

 

Bending device defective

 

 

Defect in PV module (damaged)

 

 

High air humidity (causes high leakage currents)

 

Diagnostics

Check the sensitivity (limit values) of the insulation

 

 

monitor using a decade resistor

 

Measures

Repair the cabling

 

 

Empty and dry out the junction boxes and / or cable

 

 

ducts

 

 

Repair / replace the drive

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Contents Sinvert Photovoltaic Proper handling Safety instructionsQualified personnel TrademarksContents Tables FiguresIntroduction About this documentationScope of validity Document structure Chapter ContentsTarget group HistoryDescription ApplicationHardware operation Instructions and safety informationFive safety rules in Germany Commissioning the inverterSwitching off and disconnecting the power supply Switching on Operating the inverter Operator panelPin Signal Operating mode Switching the inverter on and offLocal/Remote selector switch Adjusting the voltage Fault resetDisplaying currently active alarms and faults Grid LED indicator barFault display Maximum Power Point LED MPPAutomatic mode / Test mode Standby operation LED StandbyWinCC Communication with the inverter1 WEB’log PPsolarRed System components are malfunctioning Control Panel PPsolar Oscilloscope function PPsolar SINVERT-Settings Device InformationActual Value Summary Actual valuesWeather conditions PV GeneratorMains Interface Energy Data Storage PPsolar10 Analysis window PPsolar Fault types Alarm and fault messagesFault handling Fault display / messagesAlarm and fault messages Meaning CategoryMain cause LED Faults Causes/diagnostics/remedial measures Differences in potential in the PV fieldDiagnostics CausesMeasures Causes Cooling system is not working properly Fault in measured-value sensingCondition Heat generation is exceeding toleranceCauses Inlet air temperature too high Causes No power supply for Fast OFF No checkback signal from the AC contactorCauses Measured DC voltage is too high Causes No line voltage for Fast OFF13 Fault Alarm Vce monitor has responded 16 Fault Alarm Direct current too high Causes Contact in the signaling circuit is open Possible Remedial24 Fault Alarm Grid voltage outside tolerance Alarm without fault Support Contact addressesGermany
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350, SINVERT 350 specifications

The Siemens SINVERT 350 series is a high-performance, lightweight inverter system designed to optimize energy conversion in solar power applications. With a power rating of up to 350 kW, this inverter model is tailored for large-scale photovoltaic installations and commercial applications. Its key features and technological innovations make it a valuable addition to any renewable energy project.

One of the main features of the SINVERT 350 is its advanced grid management capability. The inverter is equipped with sophisticated monitoring systems that ensure compliance with various grid connection standards, enhancing stability and reliability for the operator. This ensures seamless integration with existing power grids while optimizing energy yield. Additionally, it supports various grid support functionalities, helping maintain grid stability during high-demand periods.

Another notable characteristic is its modular design. The SINVERT 350 allows for easy integration with other units, scaling effectively to meet the power needs of larger installations. This modularity not only enhances flexibility but also simplifies maintenance and reduces operational costs over time. Each unit can be easily accessed, which minimizes downtime during servicing.

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In terms of safety, the SINVERT 350 is built with integrated protection mechanisms, including over-voltage and short-circuit protections. These safety features safeguard both the inverter and the connected photovoltaic modules, ensuring a secure operating environment.

Another highlight is the inverter’s compatibility with the Siemens Smart Grid solutions. This integration means users can access comprehensive monitoring and analytics tools, enabling real-time performance tracking and optimization of energy output. With built-in web-based connectivity, operators can manage the system remotely, gaining insights and facilitating proactive maintenance.

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