Node-RED virtual PV installation

Node-RED
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1

In an installation, the solar panels on the roof are fitted with Tsun microinverters, which cannot communicate directly with Victron. I created an integration in Node-RED in which the solar panels are linked to a virtual PV inverter. The energy yields are visible on the Cerbo, but are not included in DESS.

Previously, I used a VM-3P75CT to measure the yield from the PV installation, and this is detected and included in DESS.

However, now that there is both a virtual PV installation and this meter, the yields are being added together.

When I disable the VM-3P75CT under Devices, the entire yield is no longer included in DESS.

Cerbo software V3.75 Large.

Could this be a bug?

2

The system won’t know this is a duplicate, so configuring multiple meters will cause an accounting error. Just enable one for the PV role.

3

That was also the intention, but the virtual OV meter from Node-RED isn’t detected by DESS and included in the energy planning.

4

Not yet. This is all new functionality it takes time to come together between the venus OS, nodered and VRM. This is unfortunately part of the joy of customising a system and using new capabilities.
It requires some patience.