BESS_BUFFER_CTRL
Battery-buffered charging — the pack covers only the demand above the grid limit, and recharges from spare grid capacity.
When to use it
Use BESS_BUFFER_CTRL when a charging site's connection is smaller than its charger nameplate and a battery is installed to carry the difference, so the grid draw has to stay under a fixed limit while the vehicles see more power than the connection alone could give them.
Interface
The published port signature. This is the whole of what the block exposes to your program — the implementation body is not shown here and ships with the download.
Inputs
| Port | Type | Unit |
|---|---|---|
| ENABLE | BOOL | — |
| BESS_SOC | REAL | % |
| SOC_OK | BOOL | — |
| EV_DEMAND_KW | REAL | kW |
| GRID_LIMIT_KW | REAL | kW |
| PV_SURPLUS_KW | REAL | kW |
| SOC_MIN | REAL | % |
| SOC_TAPER_PCT | REAL | % |
| SOC_MAX | REAL | % |
| BESS_DIS_MAX_KW | REAL | kW |
| BESS_CHG_MAX_KW | REAL | kW |
| CHG_ENABLE | BOOL | — |
| ACK | BOOL | — |
Outputs
| Port | Type | Unit |
|---|---|---|
| BESS_KW | REAL | kW |
| GRID_KW | REAL | kW |
| EV_KW_ALLOWED | REAL | kW |
| BUFFERING | BOOL | — |
| ALM_SHORTFALL | BOOL | — |
| ALM_SOC_LO | BOOL | — |
| ALM_SOC_FAULT | BOOL | — |
| ALM_CFG_ERR | BOOL | — |
| VALID | BOOL | — |
IEC 61499 event interface
EI INIT, REQ·EO INITO, CNF
Validation evidence
- Tests
- 8
- Simulated scans
- 44
- Simulator
- v0.1.0
Complete IEC 61131-3 implementation with a published test suite that runs on the vplant simulator. The counts above are that suite, executed on this build.
- Conforms to IEC 61131-3
- Conforms to IEC 61499
Download BESS_BUFFER_CTRL — free
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