INV DC-AC
DC-to-AC inverter
A DC/AC inverter converts a documented DC supply into an AC output.
SLD / Schematic
Symbols · 1PH-VSI
Single-phase voltage-source inverter
A switching bridge that forms a documented single-phase AC output from a DC-link source.
Schematic / SLD · 1PH-VSI
What it represents
A switching bridge that forms a documented single-phase AC output from a DC-link source.
On a schematic, identify the DC-link rails, bridge-leg midpoints and AC output/filter reference and trace the AC load or connection point and switching control. Keep the component tag and signal/reference names consistent across the control drawing, terminal schedule and device documentation.
The bridge can produce a switched waveform; output quality and connection requirements depend on the filter and control design.
The preview is a conceptual topology reference rather than a complete power-stage circuit. Switching sequences, magnetic design, component selection and control/protection details belong in the equipment design documentation.
How to read it
- Identify the DC-link rails, bridge-leg midpoints and AC output/filter reference.
- Trace the AC load or connection point and switching control.
Information to show or reference
- Label the DC-link rails, bridge-leg midpoints and AC output/filter reference.
- Cross-reference the AC load or connection point and switching control.
- Add the selected device or circuit documentation revision, power/reference connections and project signal convention.
A distinction that matters
The bridge can produce a switched waveform; output quality and connection requirements depend on the filter and control design.
Sources you can follow
These public references support the explanation and provide further detail. Their graphics and downloadable files remain with their publishers.
Bidirectional three-/single-phase AC/DC PFC and inverter application note
Public primary manufacturer documentation establishes the component function or circuit/topology relationship. Preview geometry and drafting explanations are independently authored.
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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