KDL Series Energy Recycling DC Electronic Load

 
. Four operation modes: CV/CR/CC/CP
. Flexible setting of work steps
. Voltage/Current rise/drop slew rates can be set
  • KDL
  • 1.1.7


Summary


KDL Series Energy Recycling DC Electronic Load is a power conversion device based on power frequency isolation, and IGBT two-stage conversion architecture. The product features high precision, high dynamic response, high reliability, and energy recovery to the grid at full power range.

Functions


  • Four operation modes: CV/CR/CC/CP

  • Flexible setting of work steps

  • Voltage/Current rise/drop slew rates can be set

  • Voltage compensation

  • External emergency stop



Advantages


  • Wide voltage/current range

  • High voltage/current precision/resolution

  • High dynamic reponse

  • Multi-filtering solutions; Low ripple

  • High conversion efficiency: >94%

  • Complete safety protection: OCP/OTP etc.

  • Standard communication interfaces: RS485/CAN/LAN


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Models & Specifications


Models

Rated Power
[kW]

Rated Current

[A]

Rated Voltage

[V]

Voltage Range
[V]

KDL80-1000-300

80

300

266

24-1000

KDL100-1000-350

100

350

285

24-1000

KDL150-1000-500

150

500

300

24-1000

KDL200-1000-600

200

600

333

24-1000

KDL250-1000-600

250

600

416

24-1000

KDL300-1000-750

300

750

400

24-1000

KDL400-1000-1000

400

1000

400

24-1000

KDL500-1000-1200

500

1200

416

24-1000

*Rated voltage of each model above is also available in 800V and 1200V. High voltage standard product is also available in 1500V and 2000V, with dual channel.




Other Parameters


Load Mode

Work Modes

CV/CR/CC/CP

Voltage Precision

±(0.1%·FS+5dgt)

Current Precision

±(0.1%·FS+5dgt)

Response Time

≤10ms

Current Ripple (rms)

≤0.2%·FS

Voltage Resolution

0.001V

Current Resolution

0.001A

Power Resolution

0.001kW

Protection

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


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