Shandong Origin Bidirectional DC-DC Converter for Energy Storage System

• Nature of Source Flow: Passive inverter
• Certification: ISO9001, CE
• Output Power: 250kw
• Grid Type: off-Grid Inverter
• Output Type: Triple
• Circuit Topologies: Full-Bridge Type
• Nature of Wave String: Sine Wave Inverter
• Type: DC/DC Inverters
• Custom Made: Yes
• Transport Package: Wooden Box
• Trademark: Deming
• Origin: Shandong
• HS Code: 8504403090
• Production Capacity: 100/Month

Product Description

Product Description:

• Energy flows bi-directionally, allowing for discharge from the battery side to the DC grid or charge from the DC grid side to the battery.


• Fully automatic protection functions for overheating, overload, short circuit, overcurrent, etc.


• Selection of original imported power devices.


• Fully digital circuit design.


• All chips are industrial grade and can operate normally in cold, high temperature, and humid environments.


• The main circuit adopts a DSP chip produced by TI of America, Infineon IGBT module, and Infineon movement for driving and protection, ensuring safety and reliability.


• The output is automatically synchronized with the grid, resulting in low current harmonic content and no pollution or impact on the grid.


• Closed loop control of grid-connected current, providing controllable and adjustable output.


• Wide input voltage range, suitable for different occasions.


• The system has an all-round power protection scheme and perfect self-test and protection function. In case of system failure, it will stop working.


• The circuit structure is compact, and the maximum efficiency is ≥ 96%.


• Protection level can be customized according to the user's needs.


• Provides Ethernet interface and standard Modbus TCP communication protocol.

Experience the advanced features and benefits of our power equipment from Jinan Deming Power Equipment Co., Ltd. With bi-directional energy flow capabilities, our product allows for efficient discharge from the battery side to the DC grid or charge from the DC grid side to the battery. It features fully automatic protection functions, including overheating, overload, short circuit, and overcurrent protection.

Our power equipment is equipped with original imported power devices and a fully digital circuit design. All chips used are industrial grade and can operate seamlessly in challenging environments, including cold, high temperature, and humid conditions.

The main circuit of our equipment incorporates a DSP chip produced by TI of America, Infineon IGBT module, and Infineon movement for driving and protection. This ensures the utmost safety and reliability. The output is automatically synchronized with the grid, resulting in low current harmonic content and no pollution or impact on the grid.

Our power equipment also offers closed loop control of grid-connected current, allowing for precise control and adjustment of the output. With a wide input voltage range, our equipment is suitable for various occasions.

In terms of protection, our system features an all-round power protection scheme and a perfect self-test and protection function. In case of system failure, it will automatically stop working to prevent further damage.

The compact circuit structure of our power equipment ensures efficient operation, with a maximum efficiency of ≥ 96%. Additionally, the protection level can be customized according to the specific needs of our users.

To facilitate communication and integration, our product provides an Ethernet interface and follows the standard Modbus TCP communication protocol.

Rated power	250KW
LV rated current	358A     MAX:716A
LV voltage range	600-700Vdc
Ripples coefficient	HV side < 1% F.S. LV side < 2% F.S.
Control accuracy	< 1%(Remote and local control, @ full load)
Max. efficiency	96% @ full load
Switching frequency on IGBTs	6kHz
HV Voltage range	900-1314Vdc
Dynamic response time	<2ms
Protection function	Reverse polarity, overheating, overload, overvoltage, overcurrent, undervoltage, etc
Display	Touch screen
Time propagation	200ms
Communication interface and protocol	Modbus_ TCP, RJ45 Modbus_ RTU, RS485
RS485 interface  number	one
Working temperature	-10ºC to +50ºC
Relative humidity	0~95%,No condensation
Altitude	≤2000m(More than 2000 meters need to be reduced)
Cooling mode	Air cooling
Noise	≤65dB
Emergency stop switch	yes
Level of protection	IP55
System electrical input	AC230V  50/60Hz  1000W

 

Rated power	500KW
LV rated current	667A     MAX:734A
LV voltage range	680-790Vdc
Ripples coefficient	HV side < 1% F.S.
	LV side < 2% F.S.
Control accuracy	< 1%(Remote and local control, @ full load)
Max. efficiency	98% @ full load
Switching frequency on IGBTs	6kHz
HV Voltage range	900-1314Vdc
Dynamic response time	<2ms
Protection function	Reverse polarity, overheating, overload, overvoltage, overcurrent, undervoltage, etc
Display	Touch screen
Time propagation	200ms
Communication interface and protocol	Modbus_ TCP, RJ45 Modbus_ RTU, RS485
RS485 interface  number	one
Working temperature	-10ºC to +50ºC
Relative humidity	0~95%,No condensation
Altitude	≤2000m(More than 2000 meters need to be reduced)
Cooling mode	Air cooling
Noise	≤65dB
Emergency stop switch	yes
Level of protection	IP55
System electrical input	AC220V  1000W