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KDLF Series Fuel Cell Specific Energy Recycling DC Electronic Load

. Static-state load modes: CV/CR/CC/CP
. Flexible setting of work steps for dynamic-state load mode
. Voltage/Current slew rates can be set


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Model: KDLF
Code: 1.1.8

Summary

The KDLF Series Fuel Cell Specific Energy Recycling DC Electronic Load is specifically developed for fuel cell stack and engine testing. It is a converter device based on two-stage IGBT power conversion structure of power frequency isolation type, featuring high reliability, programmable, and automatic operation. High-precision and high dynamic response. Support full power range energy recovery to the grid. A great match for low-voltage and high-current testing.

Functions

Static-state load modes: CV/CR/CC/CP
Flexible setting of work steps for dynamic-state load mode
Voltage/Current slew rates can be set

Advantages

Insulation detection
Real-time communication signal monitoring for upper computer software
Support high current loading at nearly 0V for air starvation activation test
Four output modes: CV/CC/CR/CP
Support DBC file import & communicate with all sorts of test systems
Capable of controlling the stack at constant voltage output; Voltage/Current slew rate can be set
Automatic mode switch: Source/Load Modes; Provide high-voltage power supply to the engine’s starting process
Voltage compensation
External emergency stop

KDLF Fuel Cell Specific Energy Recycling DC Electronic Load

Models	Rated Power [kW]		Rated Current [A]	Voltage Range [V]
KDLF50-800-600	50		600	24-800
KDLF80-800-600	80		600	24-800
KDLF100-800-800	100		800	24-800
KDLF150-800-1000	150		1000	24-800
KDLF200-800-1000	200		1000	24-800
KDLF300-800-1000	300		1000	24-800
KDLF500-800-1000	500		1000	24-800
KDLF100-1000-800	100		800	24-1000
KDLF150-1000-1000	150		1000	24-1000
KDLF200-1000-1000	200		1000	24-1000
KDLF300-1000-1000	300		1000	24-1000
KDLF500-1000-1000	500		1000	24-1000
Load Mode
Work Modes		CV/CR/CC/CP
Voltage Precision		±(0.1%·FS+5dgt)
Current Precision		±(0.1%·FS+5dgt)
Current Ripple (rms)		≤0.2%·FS
Response Time		≤10ms
Voltage Resolution		0.001V
Current Resolution		0.001A
Power Resolution		0.001kW
Protection Overvoltage		OVP/OCP/OTP/Phase loss/Emergency stop etc.
Feedback Characteristics
Energy Recovery		Energy recovery is available in full power range.
iTHD		≤3%
Power Factor		≥0.99
Output Voltage		380V±15%
Frequency		50Hz±5Hz
Communication Interfaces
Local Interface		LCD
Remote Comms		RS485/LAN/CAN
Others		Emergency stop/Fault signal/Voltage compensation
Safety & Ambient Conditions
Insulation Resistance		≥20MΩ (500Vdc)
Withstand Voltage		3000Vdc (60s, no arcing/breakdown)
Ground Resistance		≤0.1Ω
Protection Level		IP21 (indoor)
Cooling		Fan cooling
Ambient Temperature		-10~40℃
Relative Humidity		0-90%RH (non-condensing at 25℃)
Altitude		≤2000m

Models	Rated Power [kW]		Rated Current [A]	Voltage Range [V]
KDLF50-800-600	50		600	24-800
KDLF80-800-600	80		600	24-800
KDLF100-800-800	100		800	24-800
KDLF150-800-1000	150		1000	24-800
KDLF200-800-1000	200		1000	24-800
KDLF300-800-1000	300		1000	24-800
KDLF500-800-1000	500		1000	24-800
KDLF100-1000-800	100		800	24-1000
KDLF150-1000-1000	150		1000	24-1000
KDLF200-1000-1000	200		1000	24-1000
KDLF300-1000-1000	300		1000	24-1000
KDLF500-1000-1000	500		1000	24-1000
Load Mode
Work Modes		CV/CR/CC/CP
Voltage Precision		±(0.1%·FS+5dgt)
Current Precision		±(0.1%·FS+5dgt)
Current Ripple (rms)		≤0.2%·FS
Response Time		≤10ms
Voltage Resolution		0.001V
Current Resolution		0.001A
Power Resolution		0.001kW
Protection Overvoltage		OVP/OCP/OTP/Phase loss/Emergency stop etc.
Feedback Characteristics
Energy Recovery		Energy recovery is available in full power range.
iTHD		≤3%
Power Factor		≥0.99
Output Voltage		380V±15%
Frequency		50Hz±5Hz
Communication Interfaces
Local Interface		LCD
Remote Comms		RS485/LAN/CAN
Others		Emergency stop/Fault signal/Voltage compensation
Safety & Ambient Conditions
Insulation Resistance		≥20MΩ (500Vdc)
Withstand Voltage		3000Vdc (60s, no arcing/breakdown)
Ground Resistance		≤0.1Ω
Protection Level		IP21 (indoor)
Cooling		Fan cooling
Ambient Temperature		-10~40℃
Relative Humidity		0-90%RH (non-condensing at 25℃)
Altitude		≤2000m

KDLF Series Fuel Cell Specific Energy Recycling DC Electronic Load

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