Description
BIDC1000250 Bi-Directional DC-DC Converter 250kW
Tuesday, June 09, 2026
SiC High Efficiency Bidirectional Power Conversion Module
⚙️ Technical Highlights
Flexible Configuration
- Bidirectional step-up & step-down capability
- Wide operating voltage: 150~1000VDC
- Compatible with Li-ion, Na-ion, supercapacitor, PV sources
High Efficiency & Power Density
- Full SiC design, peak efficiency >99.2%
- Integrated relay control, power relays & fuses
- Ultra high power density:13.8kW/L
Multi-Functional Operation
- CV / CC / Constant Power operation modes
- Black start support
- Built-in MPPT algorithm
- Max 40 units parallel connection
Safe & Reliable Protection
- OV/OC/OT/overload multi-layer protection
- Bidirectional short-circuit protection, μs-level cut-off
- Short-circuit capacity I²t<1600A²·S
- IEC 62109, IEC 62477, UL1741 certified
📋 Full Technical Specifications (Model: BIDC1000250)
| DC Bus Side | |
| Rated Voltage | 800VDC |
| Operating Voltage Range | 150VDC~1000VDC |
| Rated Current | 250A |
| Voltage Measurement Accuracy | 0.5% F.S. |
| Current Measurement Accuracy | 1% F.S. |
| PV / Battery Side | |
| Rated Voltage | 800VDC |
| Operating Voltage Range | 150VDC~1000VDC |
| MPPT Voltage Range | 150VDC~900VDC |
| Rated Current | 250A |
| Voltage Measurement Accuracy | 0.5% F.S. |
| Current Measurement Accuracy | 0.4% F.S. |
| Power Conversion | |
| Topology | Intelligent bidirectional buck-boost |
| Max Continuous Power | 250kW |
| Max Efficiency | ≥99.2% |
| Auxiliary Power | |
| Aux Power Supply | 24VDC±2V, Consumption <150W |
| Protection Functions | |
| Fuse | Equipped |
| DC Surge Protection | Equipped |
| Reverse Polarity Protection | Equipped |
| Insulation Detection | Equipped |
| Over/Under Voltage | Equipped |
| Over Current / Short Circuit | Equipped |
| Over Temperature | Equipped |
| Mechanical & Environment | |
| Dimension (W×H×D) | 350×84×615 mm |
| Weight | <20kg |
| Operating Temp | -25℃ ~ 60℃ |
| Storage Temp | -40℃ ~70℃ |
| Humidity | 5%~95% non-condensing |
| Cooling | Intelligent forced air cooling |
| Noise Level | <85dB |
| Altitude | 4000m (derating above 2000m) |
| Operation Functions | |
| Operation Modes | CV, CC, Constant Power, MPPT |
| Power Dynamic Response | <5ms, 10%~90% full swing |
| Black Start | Supported |
| Parallel Capability | Max 40 units, unbalance <7% |
| Communication | RS485(Modbus RTU), CAN, Ethernet Modbus TCP |
| Certifications & Standards | |
| Safety Standards | IEC 62109-1, IEC62477-1, UL1741 |
| Vibration & Shock | Operation:IEC60721-3-3 3m12; Transport:IEC60721-3-2 2M5 |
| EMC | IEC61000-2, IEC61000-4, FCC Part15 |
| Environment Standard | IEC60068 |
🏗️ Typical System Application Topology
Grid-Tied PV + Battery ESS DC Bus Architecture
Utility Grid
↓
AC/DC Grid Rectifier
↓ DC BUS Main Line
BIDC Module
↓
PV Array
BIDC Module
↓
PV Array
BIDC Module
↓
PV Array
BIDC Module
↓
ESS Battery
BIDC Module
↓
ESS Battery
BIDC Module
↓
ESS Battery
This scalable DC bus design supports parallel expansion of PV strings and energy storage battery packs via multiple BIDC1000250 converters, perfect for large commercial & industrial energy storage plants.
❓ Frequently Asked Questions
What is the peak efficiency of this BIDC converter?
It adopts full Silicon Carbide power device solution, achieving peak efficiency higher than 99.2%.
How many units can be paralleled together?
Does it support black start off-grid operation?
What communication protocols are available?
Standard interfaces: RS485 Modbus RTU, CAN bus, Ethernet Modbus TCP for remote monitoring & control.
📞 Business & Global Service
WhatsApp / WeChat Contact: +86-13760212825 (COCO)
Services: Global warranty, onsite technical support, customized power solution design, OEM/ODM available
Official Site Links:
