1. Overview
Enjoy energy storage bidirectional DC/DC converter adopts three-level topology. It is not only suitable for battery step-up or step-down scenarios, but also for photovoltaic MPPT step-up and step-down.
2.Working principle
3. Product Size
4. Product specification
| Model | EDCS30-M-M | EDCS50-M-M |
| Efficiency | ||
| Max. efficiency | >99% | |
| Low voltage side | ||
| Max. Power(kW) | 30 | 50 |
| Voltage range(V) | 0~900 | |
| Max. Current(A) | 100 | |
| String | 1 | |
| Voltage stability | Static± 1%，Dynamic± 5% | |
| Current stability | Static± 1%，Dynamic± 3% | |
| High voltage side | ||
| Voltage range(V) | 300~1000 | |
| Max. Current(A) | 80 | |
| String | 1 | |
| Voltage stability | Static± 1%，Dynamic± 5% | |
| Current stability | Static± 1%，Dynamic± 3% | |
| Protection | ||
| High voltage side reverse connection protection | yes | |
| Low pressure side reverse connection protection | yes | |
| Insulation monitoring | yes | |
| High pressure side surge protection | yes | |
| Low pressure side surge protection | yes | |
| Overcurrent protection | yes | |
| Short circuit protection | yes | |
| High voltage side over/under voltage protection | yes | |
| Low pressure side over/under voltage protection | yes | |
| Overheat protection | yes | |
| Overtemperature derating | yes | |
| Mode | Constant voltage, constant current, constant power, booster MPPT, step-down MPPT | |
| Auxiliary function | 0V start | |
| General data | ||
| Operation Temperature(℃) | -25～+55（45℃ derating） | |
| Relative humidity | 0%RH～95%RH | |
| Max. Altitude(m) | 4000(2000 derating) | |
| Cooling mode | Air cooling | |
| Communication | RS485 | |
| Weight(kg) | 17.5 | |
| Dimensions W*D*H( mm) | 440*500*88 | |
| Protection class | IP20 | |
5.Operating mode
- Bidirectional DC/DC, constant voltage, constant current or constant power
- boost, buck
- Boost MPPT, Buck MPPT
6.Application
- Cooperate with energy storage bidirectional ACDC to expand ACDC DC side voltage rangeUsed in conjunction
- with photovoltaic panels, running MPPT, combined with bidirectional ACDC modules to form a hybrid photovoltaic + BESS energy storage inverter.