Saft MOD-VLM48-039 (2 x cabinets. Each cabinet is composed of 13 modules MOD-VLM48-039 connected in series. Each module contains 14 VLM41 cells (4.0V, 39Ah) assembled in series
Type of energy stored:
Electrochemical
Nominal capacity (kWh):
2 x 24
Nominal power (kVA):
2 x 100
Year of installation:
2015
Response time:
Less than 1 second
Self-discharge (%/month):
1-2
Efficiency (%):
80 – 90
Grid Voltage (V):
400
ESS communication system:
Modbus TCP via Ethernet. Data access to Cloud via Siemens Mindsphere
HMI:
Matlab/Simulink
Overview of the AC Grid interface:
Battery (624V DC) → DC/DC converter (90kVA, 700V DC output stage) → DC/AC converter (360kVA, 400V AC output stage) → Isolation transformer → Grid
ANCILLARY SERVICES (<30s response time for voltage control, frequency response):
Yes
RESERVE (>30s response, at least 30 min duration):
Yes
INTRA-DAY PEAK SHIFTING (balancing demand/supply of electrical and thermal within day):
Yes
INTER-DAY LEVELLING (balancing over days, especially considering low wind events):
Not ideally as the capacity is low
SEASONAL ELECTRICAL PEAK SHIFTING (storing electrical energy in summer, discharging in winter):
No
SEASONAL THERMAL PEAK SHIFTING (storing hot/cold thermal energy between seasons):
No
BLACK START:
Yes but limited to power and energy rating
UNINTERRUPTABLE POWER SUPPLY:
Yes but limited to power and energy rating