Innovenergy_trunk/doc/controller_tests/Disconnect Grid Meter.md

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# Disconnected Grid Meter
Initial State: `Optimize Self-Consumption`
Target State: `Optimize Self-Consumption`
## Test Procedure
1. `min SOC` is set to be at 5% or more below the current `SOC`
2. `Grid setpoint` is set to 500W.
3. a load (min 1000W) is connected to the AC-Out side of the inverter.
4. The communications cable to the grid meter is disconnected to simulate a defect or missing grid meter
5. the load is disconnected from AC out
6. The communications cable to the grid meter is reconnected
## Expected Outcome
- The system is initially in the `Optimize Self-Consumption` state
- It consumes ~500W from the grid, the the remainig power required by the load is sourced from the battery.
- Once the grid-meter is disconnected, the inverter no longer consumes power from the grid, and feeds the load from the battery exclusively.
- When the load is disconnected, the inverter goes to an idle state, energy flow to/from battery and grid should drop to almost 0W.
- Once the grid-meter is reconnected, the system charges the battery with ~500W AC.