Bi-Directional DC Converter
ARDA’s non-isolated Bi-Directional DC Converter was originally designed for ARDA’s Solar plus Storage Solution so that batteries could be connected directly to the DC link of the solar system and share a common inverter. But the characteristics of the converter make it appealing for a broad range of distributed energy applications that integrate storage, or for stand alone energy storage applications.
Key characteristics of ARDA’s patented non-i...
Key characteristics of ARDA’s patented non-isolated Bi-Directional DC Converter include:
- Based on bi-polar grounded battery banks
- Modular and scalable from low power to high power
- Enables independent management of battery banks
- Limits short circuit energy of ground faults without relying on fuses/breakers
- Reduces cost and simplifies control
Key benefits of ARDA’s non-isolated Bi-Directional DC Converter for distributed energy applications integrating storage include:
- Lower and safer voltages with respect to ground simplifying monitoring and reducing cost
- Reduced short circuit energy in faults to ground
- Easy integration with renewable sources
- Easily adaptable to different battery technologies
- Improved battery lifetime by enabling independent management of smaller battery banks
- Increased system availability
Key benefits of ARDA’s non-isolated Bi-Directional DC Converter for stand-alone energy storage applications include:
- Simple and low cost topology that allows the use of bipolar batteries reducing potentials to ground for safer operation and simpler battery management instrumentation
- Increased safety by limiting battery current contribution into DC link short circuits to low currents of very short duration without the activation of fuses or breakers
- Easy detection of battery internal faults to ground without the need for complex fusing schemes or instrumentation
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