PV INV
Photovoltaic inverter
A photovoltaic inverter converts a documented PV DC input into an AC output and provides the selected PV control functions.
SLD / Schematic
Symbols · PV AFD
Photovoltaic arc-fault detection
In plain English
What does Photovoltaic arc-fault detection mean?
Solar arc-fault detection analyses monitored circuit behaviour for signs of specified electrical arcing.
A simple example
A detector can provide a result to the associated shutdown or protection logic.
What the drawings help you do
Show the monitored solar circuit, sensing path and detection output as separate roles. Arcing can produce features that a detector analyses, but the detector’s indication is not the same thing as opening the circuit. Identify the equipment that responds to the detection decision.
- Arc
- A conducting electrical discharge through a gap.
- Detection output
- A signal reporting the detector’s assessment to another part of the system.
Before using this reference
- Identify the circuit and sensing arrangement being monitored.
- Show the detector’s alarm or control output.
- Reference the selected interruption arrangement and detector limitations.
Does the detector block show how the fault is interrupted?
Only if the selected design explicitly includes and identifies that action. Detection, decision logic and power interruption can occur in different components and should be traced separately on the drawing.
Read the source: Solar arc protection architecture
Schematic · PV AFD
A distinction that matters
Detection, decision logic and power interruption must be distinguished in the design.
Sources you can follow
These public references support the explanation and provide further detail. Their graphics and downloadable files remain with their publishers.
Solar arc protection architecture
Solar arc protection architecture: public technical context for the named function. Product and compliance details remain with the publisher.
About this graphic
This illustration was authored independently by Elora Grid to explain the concept. It is not reproduced from a customer drawing, an official standard graphic or a manufacturer CAD file. Its correspondence to an exact IEC or IEEE symbol identifier has not been certified.
SVG and DXF downloads contain this original artwork. DXF uses unscaled drawing units; a GA envelope supplies no product dimensions, clearances or fabrication information. Original artwork is available under CC BY 4.0. Third-party references retain their own terms.
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