BESS Preliminary Sizing Tool
Inverter Sizing Tool in Battery Energy Storage System
BESS Design Tool
v 11.11a
| Project Name: | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Device | Maximum Battery Voltage |
V
|
||||||||
| Nominal AC Voltage | 690 | Nominal Battery Voltage |
V
|
|||||||
| PCU Efficiency | 99.2 | Minimum Battery Voltage |
V
|
|||||||
| Grid Frequency | Design Temperature |
℃
|
||||||||
| PCU Maximum Q-Capability (60-100%) |
%
|
Altitude |
m
|
|||||||
| MV Transformer Efficiency |
%
|
MVPS | ||||||||
| MV Transformer Impedance | Noise Reduction Kit (NRK) | |||||||||
| MV Voltage Tap Changer | 105% S Power at +5% Overvoltage | |||||||||
| MVPS Temperature Option | AUX Consumption (@ MV & PF=0.8) |
kVA
|
||||||||
| Reactive Power Compensation |
kVAr
|
Short-Time Overcurrent (UP-S only) | ||||||||
This tool uses simplified calculation methods to calculate the required number of SMA PCUs for specified requirements. SMA has no liability for the results.
| Voltage Tolerance on HV Level | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Voltage Tolerance on MV Level | ||||||||||
| Project with HV Connection | Unit | DPS Parameter (optional, PV-only) | ||||||||
| Active Power at POI on HV level | MW | Quantitiy per PCU | ||||||||
| Power Factor at POI on HV Level | DC Link Voltage | |||||||||
| HV On-Load-Tap-Changer | Nominal Current @ Vnom | 500 | ||||||||
| Nominal Power of HV Transformer | MVA | 105.3 | Apparent Power per DPS | 575 | ||||||
| Short Circuit Impedance HV Transformer & Cables | % | Charge Power @ DC Link V | 0 | |||||||
| Efficiency HV Transformer & Cables | % | |||||||||
| Plant Rating Requirements on HV Level | Dis-OE | Dis-UE | Cha-OE | Cha-UE | Dis-OE | Dis-UE | Cha-OE | Cha-UE | ||
| Power Flow | 1 | 1 | -1 | -1 | 1 | 1 | -1 | -1 | ||
| Overexcited & Underexcited | 1 | -1 | 1 | -1 | 1 | -1 | 1 | -1 | ||
| Active Power on HV Level | MW | ♠️ | ♥️ | ♦️ | ♣️ | ♠️ | ♥️ | ♦️ | ♣️ | |
| Reactive Power on HV Level | MVAr | ♠️ | ♥️ | ♦️ | ♣️ | ♠️ | ♥️ | ♦️ | ♣️ | |
| Apparent Power on HV Level | MVA | ♠️ | ♥️ | ♦️ | ♣️ | ♠️ | ♥️ | ♦️ | ♣️ | |
| Power Factor on HV Level | ♠️ | ♥️ | ♦️ | ♣️ | ♠️ | ♥️ | ♦️ | ♣️ | ||
| SinPhi of POI on HV Level | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ||
| TanPhi of POI on HV Level (Q/P_inst) | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ||
| Reactive Power Demand of HV Transformer | MVAr | ♠️ | ♥️ | ♦️ | ♣️ | ♠️ | ♥️ | ♦️ | ♣️ | |
| Active Power Losses of HV Transformer | MW | ♠️ | ♥️ | ♦️ | ♣️ | ♠️ | ♥️ | ♦️ | ♣️ | |
| Quadratic Axis Voltage Uq_MV | % | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | |
| Direct Axis Voltage Ud_MV / Reactance Drop | % | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | |
| Voltage on MV Level U_MV / Resistance Drop | % | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | |
| MV Voltage Deviation from Nominal Voltage | % | ♠️ | ♥️ | ♦️ | ♣️ | ♠️ | ♥️ | ♦️ | ♣️ | |
| Plant Rating Requirements on MV Level | Dis-OE | Dis-UE | Cha-OE | Cha-UE | Dis-OE | Dis-UE | Cha-OE | Cha-UE | ||
| Active Power on MV Level | MW | ♠️ | ♥️ | ♦️ | ♣️ | ♠️ | ♥️ | ♦️ | ♣️ | |
| Reactive Power on MV Level | MVAr | ♠️ | ♥️ | ♦️ | ♣️ | ♠️ | ♥️ | ♦️ | ♣️ | |
| Apparent Power on MV Level | MVA | ♠️ | ♥️ | ♦️ | ♣️ | ♠️ | ♥️ | ♦️ | ♣️ | |
| Power Factor on MV Level | ♠️ | ♥️ | ♦️ | ♣️ | ♠️ | ♥️ | ♦️ | ♣️ | ||
| SinPh of POI on MV Level | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ||
| Reactive Power Demand of MV Transformers | MVAr | ♠️ | ♥️ | ♦️ | ♣️ | ♠️ | ♥️ | ♦️ | ♣️ | |
| Active Power Losses of MV Transformers | MW | ♠️ | ♥️ | ♦️ | ♣️ | ♠️ | ♥️ | ♦️ | ♣️ | |
| Plant Rating Requirements on LV Level | Dis-OE | Dis-UE | Cha-OE | Cha-UE | Dis-OE | Dis-UE | Cha-OE | Cha-UE | ||
| Active Power on Inverter Level | MW | ♠️ | ♥️ | ♦️ | ♣️ | ♠️ | ♥️ | ♦️ | ♣️ | |
| Reactive Power on Inverter Level | MVAr | ♠️ | ♥️ | ♦️ | ♣️ | ♠️ | ♥️ | ♦️ | ♣️ | |
| Apparent Power on Inverter Level | MVA | ♠️ | ♥️ | ♦️ | ♣️ | ♠️ | ♥️ | ♦️ | ♣️ | |
| Power Factor on Inverter Level | ♠️ | ♥️ | ♦️ | ♣️ | ♠️ | ♥️ | ♦️ | ♣️ | ||
| SinPh of POI on Inverter Level | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ||
| Quadratic Axis Voltage Uq_LV | % | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | |
| Direct Axis Voltage Ud_LV | % | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | |
| Voltage on Inverter Level U_LV | % | ♠️ | ♥️ | ♦️ | ♣️ | ♠️ | ♥️ | ♦️ | ♣️ | |
| AC Voltage on Inverter Level | V | ♠️ | ♥️ | ♦️ | ♣️ | ♠️ | ♥️ | ♦️ | ♣️ | |
| Phase | ° | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | |
| Current Factor | % | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | |
| Full Apparent Power on Inverter Level | MVA | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | |
| Full Active Power on Inverter Level | MW | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | |
| Full Reactive Power on Inverter Level | MVAr | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | |
| Reactive Power on Inverter Level | MVAr | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | |
| Active Power on Inverter Level | MW | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | |
| Apparent Power on Inverter Level | MVA | ♠️ | ♥️ | ♦️ | ♣️ | ♠️ | ♥️ | ♦️ | ♣️ | |
| Number of PCU (Apparent Power Only) | ♠️ | ♥️ | ♦️ | ♣️ | ♠️ | ♥️ | ♦️ | ♣️ | ||
| Number of PCU (Active Power Only) | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ||
| Number of PCU (Reactive Power Only) | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ⭐ | ||
| Number of PCU (Rounded Up) | ♠️ | ♥️ | ♦️ | ♣️ | ♠️ | ♥️ | ♦️ | ♣️ | ||
| Target Number of PCUs (with add. PCUs) | ♠️ | ♥️ | ♦️ | ♣️ | ♠️ | ♥️ | ♦️ | ♣️ | ||
| Quadrant Relevant for Calculations? | ||||||||||
| Recalculation with xx PCUs | Dis-OE | Dis-UE | Cha-OE | Cha-UE | Dis-OE | Dis-UE | Cha-OE | Cha-UE | ||
| Required Active Power per PCU | MW | ♠️ | ♥️ | ♦️ | ♣️ | ♠️ | ♥️ | ♦️ | ♣️ | |
| Required Reactive Power per PCU | MVAr | ♠️ | ♥️ | ♦️ | ♣️ | ♠️ | ♥️ | ♦️ | ♣️ | |
| Required Apparent Power per PCU | MVA | ♠️ | ♥️ | ♦️ | ♣️ | ♠️ | ♥️ | ♦️ | ♣️ | |
| Required AC Current per PCU | kA | ♠️ | ♥️ | ♦️ | ♣️ | ♠️ | ♥️ | ♦️ | ♣️ | |
| Required DC Voltage | V | ♠️ | ♥️ | ♦️ | ♣️ | ♠️ | ♥️ | ♦️ | ♣️ | |
| DC Current? | ♠️ | ♥️ | ♦️ | ♣️ | ♠️ | ♥️ | ♦️ | ♣️ | ||
| AC Current? | ♠️ | ♥️ | ♦️ | ♣️ | ♠️ | ♥️ | ♦️ | ♣️ | ||
| DC Voltage? | ♠️ | ♥️ | ♦️ | ♣️ | ♠️ | ♥️ | ♦️ | ♣️ | ||
| Required Operating Point Possible? | ♠️ | ♥️ | ♦️ | ♣️ | ♠️ | ♥️ | ♦️ | ♣️ | ||
| Battery Block Power on DC Side | MW | ♠️ | ♥️ | ♦️ | ♣️ | ♠️ | ♥️ | ♦️ | ♣️ | |
| Battery Block DC Current | kA | ♠️ | ♥️ | ♦️ | ♣️ | ♠️ | ♥️ | ♦️ | ♣️ | |
| Battery Block DC Current @ Current Boost | kA | ♠️ | ♥️ | ♦️ | ♣️ | ♠️ | ♥️ | ♦️ | ♣️ | |
| Selection of additional PCUs | ||||||||||