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GW Instek PEL-3031AE - Programmable D.C. Electronic Load

Programmable D.C. Electronic Load

GW Instek

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Category : DC Electronic Loads

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Datasheet

Overview
Features
Specifications
Calibration

GW Instek launches new PEL-3000AE series programmable single-channel electronic load. In the series, PEL-3031AE provides 300W (1V~150V/60A) and PEL-3032AE provides 300W(2.5V~500V/15A) current sink capability. Inherited from the PEL-3000 series, PEL-3000AE has an easy-to-read LCD panel and user-friendly interface. This model features high speed and accurate measurement capability for electronic component, battery, portable charger and power products that require low to medium power consumption.

 

The PEL-3000AE series is designed for current sink operation starting from 60mA and aims at measurement applications, including charger, adapter, various power supply equipment, and portable charger.

  

The PEL-3000AE has seven operating modes. Among them, four basic operating modes are constant current, constant voltage, constant resistance, and constant power. Three other combined operating modes are constant current + constant voltage, constant resistance + constant voltage, constant power + constant voltage. Users can select operating modes based upon products' test requirements. For C.C. mode, electronic load will sink a constant current according to the set current value; for C.V. mode, electronic load will attempt to sink sufficient current to control the source voltage to the programmed value; for C.R. mode, electronic load will sink a current linearly proportional to input voltage according to the set resistance value; for C.P. mode, electronic load will initiate load power sinking operation (load voltage x load current)in accordance with the programmed power setting.

 

To meet the requirements of different test conditions, the Static function is to sink a constant current; the Dynamic function is to periodically switch between two sink conditions, and the Sequence function is to provide tests for more than two sink conditions. The sequence function can be divided into Normal Sequence and Fast Sequence. Normal Sequence is the most flexible mean of generating complex sequences that can facilitate users to establish a set of changing current sink conditions based upon different sinking conditions (CC, CR, CV or CP mode) and time(adjustable range: 1ms to 999h 59min 59s).

 

Fast sequence allows time resolution of 25us to be set for the smallest step. Setting parameters for multiple steps can simulate consecutive current changes of various real load conditions. For instance, while using an electronic load to test a power-driven tool's power supply, we can first obtain waveforms by an oscilloscope and a current probe from the tool, and subsequently, use the obtained waveforms to edit simulated current waveforms, via electronic load's sequence function, to test the power-driven tool and to analyze its operational status. The Soft Start function allows users to determine the rise time of current sink that is to decide the required time to reach the electronic load's set current, resistance power value. Setting a proper rise time for Soft Start is effective to counter output voltage fluctuation caused by DUT's (power supply) transient output current. It is worth noting, General DC loads do not have the soft start function.

 

When conducting high speed current sink operation, the inductance effect on the cable connecting electronic load and DUT will lead to transient voltage drop on electronic load's input terminal, therefore, that will result in Voltage Non-monotonic increase. PEL-3000AE's soft start function not only allows output voltage to be Monotonic increase, but also prevents inrush current and surge voltage from happening on DUT. For instance, tests using a power supply, LED and a DC load (activate the soft start function) can prevent inrush current and surge voltage from causing damages on LED.

  

The built-in BATT Test Automation of PEL-3000AE provides battery discharge applications with more flexible discharge stop setting as well as rise and fall Slew Rate for discharge current settings. OCP, OPP test Automation for DUT (ex. Power Supply), provide users with high resolution measurement values to verify DUT's activation point. Provide users with measurement results to help them determine whether DUT's actual over protection activation point meets the regulations. Other than that, PEL-3000AE provides users with analog control terminal to control PEL-3000AE from external voltage, external resistance and switch. The analog control terminal can also monitor the electronic load's status and display protective alarms.

  • 7 Operating Modes: CC, CV, CR, CP, CC+CV, CR+CV, CP+CV
  • Fast/ Normal Sequence Function
  • Soft Start
  • Battery discharge test
  • OCP, OPP test Automation
  • Max. Slew Rate: 2.5A/µs
  • Dynamic mode
  • Protection: OVP, OCP, OPP, OTP, RVP, UVP
  • Remote Sense
  • Integrate voltage, current and power measurement functions
  • External Voltage or Resistance Control
  • Rear Panel BNC, Trigger IN/OUT
  • Analog External Control
  • USB/GPIB (Optional)

 

Model - Range : Low

Power300W
Voltage0~150V
Current0~6A
Min. Operating Voltage(dc)1V-6A

 

Static Mode - Range : Low

Constant Current Mode
Range0~6A
Setting Range0~6.12A
Resolution0.2mA
Accuracy(T *1) ± (0.1% of set +0.1% of F.S) +Vin/500 kΩ (Full scale of High range)
Constant Resistance Mode
Range60S-0.002S(0.01666Ω~500Ω)(300W/15V);
6S-0.0002S(0.1666Ω -5kΩ )(300W/150V)
Setting Range60S-0.002S(0.01666Ω~500Ω)(300W/15V);
6S-0.0002S(0.1666Ω -5kΩ )(300W/150V)
Resolution(30000 steps)0.002S(15V) ; 0.0002S(150V)
Accuracy(T *1) ± (0.3% of set + 0.6S) + 0.002mS
Constant Voltage Mode
Range1~15V
Setting Range0~15.3V
Resolution0.5mV
Accuracy(T *1)± (0.1% of set + 0.1% of F.S)
(Full scale of Low range)
Constant Power Mode
Range0W-30W(6A)
Setting Range0W-30.6W
Resolution1mW
Accuracy(T *1)±(0.6 % of set + 1.4 % of f.s (Full scale of H range)) + Vin^2/500 kΩ

 

Dynamic Mode - Range : Low

General
T1& T20.05mS - 30mS / Res : 1uS; 30mS - 30S / Res : 1mS
Accuracy1uS / 1mS ± 200ppm
Slew Rate (Accuracy 10%)0.001~0.25A/uS
Slew Rate Resolution0.001A/uS
Slew Rate Accuracy of Setting±(10% + 15us)

* Time to reach from 10% to 90% when the current is varied from 2% to 100% (20% to 100% in L range) of the rated current.

Constant Current Mode
Current0~6A
Setting range0~6.12A
Current Resolution0.2mA
Current Accuracy±0.8% F.S.
Constant Resistance Mode
Range60S-0.002S(0.01666Ω~500Ω)(300W/15V);
6S-0.0002S(0.1666Ω -5kΩ )(300W/150V)
Setting Range60S-0.002S(0.01666Ω~500Ω)(300W/15V);
6S-0.0002S(0.1666Ω -5kΩ )(300W/150V)
Resistance Resolution30000 steps
Resistance Accuracy(T *1)±(1% of set + 0.6S) + 0.002mS

 

Measurement - Range : Low

Voltage Readback
Range0~15V
Resolution0.5mV
Accuracy(T *1)± (0.1% of rdg + 0.1% of F.S)
(Full scale of Low range)
Current Readback
Range0~6A
Resolution0.2mA
Accuracy(T *1)± (0.1% of rdg + 0.1% of F.S)
(Full scale of High range)

 

Model - Range : High

Power300W
Voltage0~150V
Current0~60A
Min. Operating Voltage(dc)1V-60A

 

Static Mode - Range : High

Constant Current Mode
Range0~60A
Setting Range0~61.2A
Resolution2mA
Accuracy(T *1) ± (0.1% of set +0.2% of F.S) +Vin/500 kΩ (Full scale of High range)
Constant Resistance Mode
Range60S-0.002S(0.01666Ω~500Ω)(300W/15V);
6S-0.0002S(0.1666Ω -5kΩ )(300W/150V)
Setting Range60S-0.002S(0.01666Ω~500Ω)(300W/15V);
6S-0.0002S(0.1666Ω -5kΩ )(300W/150V)
Resolution(30000 steps)0.002S(15V) ; 0.0002S(150V)
Accuracy(T *1) ± (0.3% of set + 0.6S) + 0.002mS
Constant Voltage Mode
Range1~150V
Setting Range0~153V
Resolution5mV
Accuracy(T *1)± (0.1% of set + 0.1% of F.S)
(Full scale of High range)
Constant Power Mode
Range0W-300W(60A)
Setting Range0W-306W
Resolution10mW
Accuracy(T *1)±(0.6 % of set + 1.4 % of f.s (Full scale of H range)) + Vin^2/500 kΩ

 

Dynamic Mode - Range : High

General
T1& T20.05mS - 30mS / Res : 1uS; 30mS - 30S / Res : 1mS
Accuracy1uS / 1mS ± 200ppm
Slew Rate (Accuracy 10%)0.01~2.5A/uS
Slew Rate Resolution0.01A/uS
Slew Rate Accuracy of Setting±(10% + 15us)

* Time to reach from 10% to 90% when the current is varied from 2% to 100% (20% to 100% in L range) of the rated current.

Constant Current Mode
Current0~60A
Setting range0~61.2A
Current Resolution2mA
Current Accuracy±0.8% F.S.
Constant Resistance Mode
Range60S-0.002S(0.01666Ω~500Ω)(300W/15V);
6S-0.0002S(0.1666Ω -5kΩ )(300W/150V)
Setting Range60S-0.002S(0.01666Ω~500Ω)(300W/15V);
6S-0.0002S(0.1666Ω -5kΩ )(300W/150V)
Resistance Resolution30000 steps
Resistance Accuracy(T *1)±(1% of set + 0.6S) + 0.002mS

 

Measurement - Range : High

Voltage Readback
Range0~150V
Resolution5mV
Accuracy(T *1)± (0.1% of rdg + 0.1% of F.S)
(Full scale of High range)
Current Readback
Range0~60A
Resolution2mA
Accuracy(T *1)± (0.1% of rdg + 0.2% of F.S)
(Full scale of High range)

 

General

Function
Trigger In/Out terminal (BNC)YES
Current monitor outputYES
Analog External ControlYES
Soft StartYES
SEQUENCE (Normal/Fast)YES
BATT Test AutomationYES
OCP autotest functionYES
OPP autotest functionYES
PRESET DATA10 Sets
PROTECTIONOCP, OPP, UVP, OVP, OTP, RVP
Other
POWER SOURCE100-120VAC/ 200-240VAC, 47-63Hz
InterfaceAnalog external control, USB(Std.)/LAN(Std.)/GPIB(Option)/ RS-232&RS-485(Std. manufacturer installed only)
Dimensions & Weight213.8(W) x 124.0(H) x 400.5(D)mm, Approx. 7.5Kg

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