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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
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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
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
|
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
Models & Specifications
Models | Rated Power [kW] | Rated Current [A] | Voltage Range [V] | Size*[MM] | |
KDLF100-800-1000 | 100 | 1000 | 24-800 | 800-1200-2000 | |
KDLF100-1000-1000 | 24-1000 | ||||
KDLF150-800-1000 | 150 | 24-800 | 1400-1200-2000 | ||
KDLF150-1000-1000 | 24-1000 | ||||
KDLF200-800-1000 | 200 | 24-800 | 1400-1200-2000 | ||
KDLF200-1000-1000 | 24-1000 | ||||
KDLF300-800-1000 | 300 | 24-800 | 1800-1200-2000 | ||
KDLF300-1000-1000 | 24-1000 | 2000-1200-2000 | |||
KDLF400-800-1000 | 400 | 24-800 | 1800-1200-2000 | ||
KDLF400-1000-1000 | 24-1000 | 2000-1200-2000 | |||
KDLF500-800-1000 | 500 | 24-800 | 1800-1200-2000 | ||
KDLF500-1000-1000 | 24-1000 | 2000-1200-2000 | |||
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 | ||||
Cooling | Fan cooling | ||||
Ambient Temperature | -10~40℃ | ||||
Relative Humidity | 0-90%RH (non-condensing at 25℃) | ||||
Altitude | ≤2000m |
Models & Specifications
Models | Rated Power [kW] | Rated Current [A] | Voltage Range [V] | Size*[MM] | |
KDLF100-800-1000 | 100 | 1000 | 24-800 | 800-1200-2000 | |
KDLF100-1000-1000 | 24-1000 | ||||
KDLF150-800-1000 | 150 | 24-800 | 1400-1200-2000 | ||
KDLF150-1000-1000 | 24-1000 | ||||
KDLF200-800-1000 | 200 | 24-800 | 1400-1200-2000 | ||
KDLF200-1000-1000 | 24-1000 | ||||
KDLF300-800-1000 | 300 | 24-800 | 1800-1200-2000 | ||
KDLF300-1000-1000 | 24-1000 | 2000-1200-2000 | |||
KDLF400-800-1000 | 400 | 24-800 | 1800-1200-2000 | ||
KDLF400-1000-1000 | 24-1000 | 2000-1200-2000 | |||
KDLF500-800-1000 | 500 | 24-800 | 1800-1200-2000 | ||
KDLF500-1000-1000 | 24-1000 | 2000-1200-2000 | |||
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 | ||||
Cooling | Fan cooling | ||||
Ambient Temperature | -10~40℃ | ||||
Relative Humidity | 0-90%RH (non-condensing at 25℃) | ||||
Altitude | ≤2000m |