High Power DC Programmable Electronic Loads

200V/600V/1200V Voltage Ranges

This series high power density programmable DC electronic load provides three voltage ranges 200V/600V/1200V. Supports CV, CC, CR and CP these 4 basic operating modes, as well as CV+CC, CV+CR, CR+CC these 3 complex operating modes. Full protection including OCP, OPP, OTP, over-voltage and reverse alarm. Support external control and monitor mode, the 0 to 10V input or output signal represent 0 to full range voltage or current. Provide OCP test, OPP test and Short circuit simulation to effectively solve the application demands for power and automated testing. Built-in RS232, RS485 and USB communication interfaces, LAN&GPIB communication card is optional. Two or more loads can be connected in master-slave parallel mode to provide more power or current capacity.

This series High Power DC Load are divided into Advanced Version and Professional Version according to the different application area. Below is the difference between the two versions

Description Single Unit
(Professional Version)
Single Unit
(Advanced Version)
Dynamic frequency sweep functionSupportedNot supported
Sine Wave dynamic loadSupportedNot supported
High-speed sampling rateSupportedNot supported
Non-linear loadSupportedNot supported
User-defined waveformSupportedNot supported
MPPTSupportedNot supported
External waveform controlSupportedNot supported
Parallel mode20pcs10pcs

Applications

  • Battery charge/discharge test
  • DC charging stations
  • R&D design verification/quality assurance
  • DC Power Supplies (DC/DC Converters, Inverters, Rectifiers)
  • ATE Systems
  • Electronic Components testing

Features

  • Flippable front panel and colour touch screen allow convenient access and operation
  • Provides four kinds of basic working mode such as CV/CC/CR/CP, and CV+CC/CV+CR/CR+CC complex operating modes
  • Adjustable current slew rate, adjustable CV loop speed
  • Ultra high precision voltage & current measurement
  • OCP/OPP testing function
  • 50kHz high-speed CC/CR dynamic mode
  • 500kHz high-speed voltage and current sampling rate
  • Timing & discharging measurement for batteries
  • Short circuit test mode
  • Auto mode function provides an easy way to do a complicated test
  • Dynamic frequency sweep function for determining worst-case voltage peaks*
  • Non-linear load mode function makes the simulated loading current more realistic*
  • Supports external analogue control function*
  • V-monitor/I-monitor
  • LED load simulation function
  • Full protection: OCP, OPP, OTP, over-voltage and reverse alarm
  • Up to 20 units master/slave parallel control
  • Front-panel USB interface supports data import and export
  • SCPI language and standard rack size make it ideal for ATE System integration
  • Smart fan control with lower noise and better for the environment
  • Multi versions to meet the cost performance and different applications

* Only professional Electronic Load units support these functions

Series Table

ModelVoltageCurrentPowerSize
EL200VDC1200W200V130A1200W2U
EL200VDC1800W200V190A1800W2U
EL200VDC2400W200V260A2400W2U
EL200VDC3000W200V320A3000W2U
EL200VDC3400W200V370A3400W3U
EL200VDC4400W200V480A4400W3U
EL200VDC5600W200V610A5600W3U
EL200VDC6600W200V720A6600W4U
EL200VDC8800W200V960A8800W7U
EL200VDC11000W200V1200A11000W7U
EL200VDC13200W200V1440A13200W7U
EL200VDC15400W200V1680A15400W10U
EL200VDC17600W200V1920A17600W10U
EL200VDC19800W200V2160A19800W10U
EL200VDC22000W200V2400A22000W13U
EL200VDC24200W200V2640A24200W13U
EL200VDC26400W200V2880A26400W13U
EL600VDC1200W600V90A1200W2U
EL600VDC1800W600V130A1800W2U
EL600VDC2400W600V180A2400W2U
EL600VDC3000W600V220A3000W2U
EL600VDC3400W600V250A3400W3U
EL600VDC4400W600V320A4400W3U
EL600VDC5600W600V410A5600W3U
EL600VDC6600W600V480A6600W4U
EL600VDC8800W600V640A8800W7U
EL600VDC11000W600V800A11000W7U
EL600VDC13200W600V960A13200W7U
EL600VDC15400W600V1120A15400W10U
EL600VDC17600W600V1280A17600W10U
EL600VDC19800W600V1440A19800W10U
EL600VDC22000W600V1600A22000W13U
EL600VDC24200W600V1760A24200W13U
EL600VDC26400W600V1920A26400W13U
EL1200VDC1200W1200V45A1200W2U
EL1200VDC2400W1200V90A2400W2U
EL1200VDC3400W1200V125A3400W3U
EL1200VDC4400W1200V160A4400W3U
EL1200VDC5600W1200V210A5600W3U
EL1200VDC6600W1200V240A6600W4U
EL1200VDC8800W1200V320A8800W7U
EL1200VDC11000W1200V400A11000W7U
EL1200VDC13200W1200V480A13200W7U
EL1200VDC15400W1200V560A15400W10U
EL1200VDC17600W1200V640A17600W10U
EL1200VDC19800W1200V720A19800W10U
EL1200VDC22000W1200V800A22000W13U
EL1200VDC24200W1200V880A24200W13U
EL1200VDC26400W1200V960A26400W13U

Operating Modes

Operating Modes

This series programmable DC electronic load provides four kinds of basic operating mode including CV (constant voltage), CC (constant current), CR (constant resistance), CP (constant power), to satisfy a wide range of test requirements.

Constant Current Mode

  1. Load regulation test of DC Power Supply
  2. Discharge time and life test for battery
  3. Fuel cells test
  4. Loading test for DC motor

Constant Voltage Mode

  1. Charging station test
  2. Current limit testing for fold back type power supply
  3. Fuel cells test
  4. Current source test

Constant Resistance Mode

  1. Slow start test for communication power supply
  2. LED driver test
  3. Loading test for automobile temperature controller

Constant Power Mode

  • Testing for constants power type power supply
  • Capacity and life test for battery

Complex Operating Mode

  • The constant current + constant voltage mode can be applied to the load simulation battery and test the charging station or EV charger
  • The constant voltage + constant resistance mode can be used to simulate the dynamic characteristics of LED
  • The constant resistance + constant current mode is suitable for power on testing