What you will see
- Alarm while a generator runs
- Inverter will not connect on generator
Why it happens
Generator frequency drifts with load, which a grid-tied inverter treats as an unsafe grid.
Diagram
Grid or generator
WAPDA grid
GridSteady frequency
→InverterRunning
Generator
GeneratorDrifts with load
→Inverter2036 / 2037 / 2038
What you can check yourself
- Note whether it only happens on generator
What not to do
- Do not connect a generator to the inverter without an engineer's design
When to call us
- Measure frequency on grid and generator
- Check changeover wiring
Generators
We check generator and solar wiring for homes and factories in Faisalabad and Lahore.
Send us
alarm screenshots, generator size and a changeover photo