High Voltage Cascade System
Definition
PCS installed in the battery compartment, no main transformer, reduce the initial investment of equipment, small footprint, reduce the on-site installation and commissioning.
PRODUCT
FEATURES
TECHNICAL PARAMETERS
| System input voltage | |
|---|---|
| System rated voltage | AC6~35kV |
| Rated frequency | 50Hz(±5Hz) |
| Grid-connected performance | |
|---|---|
| Junction current THD | <2%(rated power point) |
| Reactive compensation power factor adjustment range | -1~+1 |
| Grid-connected performance | |
|---|---|
| Energy conversion efficiency of energy storage system | System efficiency≥91% |
| PCS conversion efficiency | Under rated operating conditions,PCS efficiency is not less than 98.5% |
| Battery energy conversion efficiency | ≥94% |
| Overload capacity (normal) | 110%rated current,continuous operation of not less than 10min; The current on the AC side is 120%of the rated current,and the running time is not less than 1min. |
| Overload capacity | 300%rated current,continuous operation of not less than 10s |
| Cooling mode | Intelligent water cooling |
| Power response time | ≤20ms |
| Reactive power response time | ≤5ms |
| TYPICAL CONFIGURATION 1C、0.25C | TYPICAL CONFIGURATION 0.5C | ||||||
|---|---|---|---|---|---|---|---|
| For 40 MWh project -1C- 1 set required |
For 50 MWh project -1C- 2 sets required |
For 60 MWh project -0.25C- 1 set required |
For 60 MWH project- 2 sets required |
For 80 MWH project- 2 sets required |
For 100 MWH project- 2 sets required |
||
| Rated power |
40MW | 25MW | 15MW | 15MW | 20MW | 16.67MW | |
| Rated capacity |
40MWh | 25MWh | 60MWh | 30MWh | 40MWh | 33.34MWh | |
| Voltage for grid connection |
35KV | 35KV | 35KV | 35KV | 35KV | 35kV | |
| Rated efficiency |
91.2% | 91% | 91% | 91% | 91% | 91% | |
| Number of compartments |
Total 11 sets | Total 21 sets | Total 21 sets | Total 21 sets | Total 21 sets | Total 30 sets | |
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