China Origin Bidirectional DC Power

• Customization: Available
• Application: Three Phase Transducer
• Output Type: Triple
• Model NO.: DMDC-500KW
• Principle of Work: V/F Control Transducer
• Switch Mode: PWM Control
• Main Circuit Type: Voltage
• Voltage of Power Supply: Low Voltage Variable-Frequency Drive
• Link of Transformation: DC/DC
• Nature of DC Power: Voltage Variable-Frequency Drive
• Function: Constant Torque Universal Type
• Transport Package: Wooden Case
• Specification: 660*1100*1800mm 450kg
• Trademark: Deming
• Origin: China Jinan
• HS Code: 8504403090
• Production Capacity: 50000/Year

Product Description

Product Description

Product Description:

Product Description

Product Description

Jinan Deming Power Equipment Co., Ltd offers a high-quality bidirectional DCDC closed loop control system that is designed to meet the energy needs of various applications. Our product incorporates advanced features and benefits to provide a reliable and efficient power solution.

Key Features:

• Energy flows bi-directionally, allowing for efficient 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, and more, ensuring the safety of the system.


• Selection of original imported power devices for superior performance and durability.


• Fully digital circuit design for precise control and efficient operation.


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


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


• 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 allows for easy controllability and adjustability.


• Wide input voltage range makes it suitable for different occasions and applications.


• All-round power protection scheme and perfect self-test and protection function ensure system reliability. In case of system failure, it will stop working to prevent further damage.


• Compact circuit structure with a maximum efficiency of ≥ 96%, ensuring optimal performance.


• Protection level can be customized according to the user's needs, providing flexibility and adaptability.


• Provides Ethernet interface and standard Modbus TCP communication protocol for easy integration into existing systems.

Bidirectional DCDC Closed Loop Control Block Diagram

Choose Jinan Deming Power Equipment Co., Ltd for a reliable and efficient bidirectional DCDC closed loop control system. Contact us today for more information.

Note:
1. The DCDC system of Jinan Deming Power Equipment Co., Ltd performs double-loop control based on the provided voltage and current values to achieve the desired objectives.
2. The PLC is capable of sending instructions regarding voltage and current values to the DCDC system through a communication interface. Please refer to the DCDC communication protocol for specific settings.

Reference: Jinan Deming Power Equipment Co., Ltd

Detailed Photos

Product Parameters

 

500KW Bidirectional DC/DC Converter

Introducing the China Origin Bidirectional DC Power, a high-quality and efficient DC power supply solution. This DC/DC converter is perfect for various applications, providing reliable and stable power conversion. With advanced technology and a power output of 500KW, it is an ideal choice for your power supply needs.

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

250KW Bidirectional DC/DC Converter DC Power Supply

Introducing the China Origin Bidirectional DC Power Supply from Jinan Deming Power Equipment Co., Ltd. This advanced DC/DC converter offers a power output of 250KW, making it ideal for a wide range of applications. With its reliable performance and efficient power conversion technology, this bidirectional converter is the perfect solution for your DC power supply needs.

Rated power	250KW
LV rated current	358A    MAX:716A
LV voltage range	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	AC220V  1000W

Parameters can be customized!!
 

Model		DMDC-100K
Power type		Three phase AC input and DC output
Capacity		100KW
Circuit mode		IGBT/SPWM
AC Input	Phase number	Three-phase three wire
	Input voltage range(Vac)	400V±15%(Can be customized)
	Input current(A)	144A
	Input frequency range(Hz)	30-70HZ
DC output	Output Voltage(Vdc)	220V
	Output Voltage Accuracy(V)	≤1%
	Output rated current(A)	454.5A
	Dynamic response time	2ms
	Overload capacity	110%,10min;200%,10s
	Efficiency	≥95%
Display	Type	Touch Screen
	Communication	RS485/RS232/WIFI/GPRS
Environment	Insulation strength	1500VAC,1min
	Noise (1 m)	≤55dB
	Ambient temperature	-10ºC~+50ºC
	Humidity	0-90%(No condensation)
	Altitude(m)	≤2000m
Indicator light	Electricity, Inverter (Power Supply, Overvoltage, Undervoltage, Overcurrent, Overheat, LED Model Configuration)
Protection	Input connection, input under voltage, output over voltage , output over current , output overload , output short circuit , overheat
Cooling mode	Fan
Size(mm)	900*930*1700mm
Weihgt (kg)	360kg

Introducing the China Origin Bidirectional DC Power from Jinan Deming Power Equipment Co., Ltd. This versatile DC power supply offers three phase in and three phase out capabilities, making it ideal for a wide range of applications. With a power output of 300K, it provides reliable and efficient power conversion. Explore the power of this bidirectional DC power supply today!

Power type		Three phase in and three phase out
Capacity		300KVA
Circuit mode		IGBT/SPWM
AC Input	Phase number	Three-phase four-wire + ground wire
	Input voltage range(Vac)	480V±15%
	Input frequency range(Hz)	30-70
AC output	Phase number	Three-phase four-wire + ground wire
	Wave form	Pure sine wave
	Output Voltage(V)	380Vac
	Output Voltage Accuracy(V)	≤1%
	Output frequency range(Hz)	45-65
	Output Frequency Accuracy(Hz)	≤0.01%
	Output rated current(A)	456A
	THD	≤3%
	Dynamic response time	2ms
	Power factor(PF)	0.8
	Overload capacity	110%,10min;200%,10s
	Peak Coefficient(CF)	3:1
	Efficiency	≥90%(Resistive load 80%)
Display	Type	LED/Touch Screen
	Communication	RS485/RS232/WIFI/GPRS
Environment	Insulation strength	1500VAC,1min
	Noise (1 m)	≤55dB
	Ambient temperature	-10ºC~+50ºC
	Humidity	0-90%(No condensation)
	Altitude(m)	≤2000m
Indicator light	Electricity, Inverter (Power Supply, Overvoltage, Undervoltage, Overcurrent, Overheat, LED Model Configuration)
Protection	Input connection, input under voltage, output over voltage , output over current , output overload , output short circuit , overheat
Cooling mode	Fan

China Origin Bidirectional DC Power

Discover the high-quality Bidirectional DC Power Supply from Jinan Deming Power Equipment Co., Ltd. This DC/DC Converter offers a reliable and efficient solution for your power conversion needs. With a power output of 500K, it is perfect for various applications. Get the best value with our competitive DC Converter price. Upgrade your power supply today!

Number	Name	Function
1	Chinese interface selection button	Click here to adjust the page display to Chinese
2	English interface selection button	Click here to adjust the page display to English
3	Homepage	Display power input, output voltage and other power parameters.
4	Parameter setting	Click to enter the setting sub interface.
5	Generating capacity	Display the total generating capacity of the machine.
6	Fault information	In case of power failure, the type of fault alarm can be viewed.
7	Grid current	Display grid current value
8	Grid voltage	Display grid voltage value
9	Output power	Display the output power of the current power supply in real time
10	Battery current	Display battery input current value
11	Battery voltage	Display battery input voltage value
12	Reset button	Click to reset the existing fault
13	Stop button	Click to stop the inverter
14	Start button	Click to start the inverter
15	Grid connected indicator	The grid connection status is displayed. When the green light flashes, the grid connection is successful.

 

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