Electrical Static Frequency Converter

• 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 ensure optimal performance and reliability.

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 quality and performance.


• Fully digital circuit design for enhanced efficiency and precision.


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


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


• Output is automatically synchronized with the grid, with low current harmonic content, no pollution, and no impact on the grid.


• Closed loop control of grid connected current, providing controllability and adjustability.


• Wide input voltage range, making it suitable for different occasions.


• All-round power protection scheme and perfect self-test and protection function to ensure system reliability.


• Compact circuit structure with a maximum efficiency of ≥ 96%.


• Customizable protection level according to user's needs.


• Provides Ethernet interface and supports standard Modbus TCP communication protocol.

Product Image:

Block Diagram:

Choose Jinan Deming Power Equipment Co., Ltd for a reliable bidirectional DCDC closed loop control system that offers exceptional performance and protection. Contact us today to learn more!

Note:
1. The DCDC system performs double-loop control based on the provided voltage and current values from the PLC in order to achieve the predetermined objectives.
2. The PLC has the capability to send 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 information:
Company name: Jinan Deming Power Equipment Co., Ltd

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Jinan Deming Power Equipment Co., Ltd - DCDC System

The DCDC system by Jinan Deming Power Equipment Co., Ltd is designed to provide efficient and precise control over voltage and current values. With its double-loop control mechanism, this system ensures that the predetermined objectives are achieved.

Thanks to the seamless communication between the PLC and the DCDC system, users can easily send instructions regarding voltage and current values through the communication interface. For specific settings, please refer to the DCDC communication protocol.

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Product Parameters

 

500KW Bidirectional DC/DC Converter

Introducing the 500KW Bidirectional DC/DC Converter by Jinan Deming Power Equipment Co., Ltd. This advanced converter provides efficient and reliable DC power supply. Perfect for various applications.

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

Get the Jinan Deming Power Equipment Co., Ltd's high-quality DC power supply. This bidirectional converter is perfect for various applications.

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 Electrical Static Frequency Converter by Jinan Deming Power Equipment Co., Ltd. This bidirectional converter offers three-phase input and three-phase output, with a power capacity of 300K. Perfect for various applications, this converter ensures reliable and efficient power conversion.

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

Electrical Static Frequency Converter

Looking for a reliable and efficient electrical frequency converter? Check out our DC power supply converter, a bidirectional 500K DC voltage converter that offers variable frequency power supply. Get the best price for this high-quality DC power source converter. Perfect for AC power supply conversion, shore power, and more. Invest in our frequency inverter converter for all your power conversion needs. Contact us for pricing and more information.

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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