Compact High Current DC Load
Compact High Current DC Load
This 60V range comprises of models from 5kW to 40kW. All units can operate in CC, CV, CR, CP, CV+CC, CV+CP, MPPT, dynamic and short modes.
|Power:||0 to 5kW||0 to 320kW This maximum is achieved by using units in master-slave.|
|Voltage:||0.7 to 60VDC||0.7 to 60VDC|
|Current:||0 to 1000A||0 to 8000A This maximum is achieved by using units in master-slave.|
|Optional Control:||Ethernet, IEEE 488.2, RS-232, USB|
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This range of high power electronic loads provides a high current sink capability of 1000Amps from 0.7VDC.
These units have two load ranges one at 0-100A and the other at 100-1000A with auto crossover in CC mode. The range comprises of 8 models from 5kW to 40kW. The current Slew Rate is adjustable for both ranges and to aid production testing to a pre-set value the unit is equipped with a GO/NG indicator.
- 9 Different Operating Modes as Standard
- Single Key OCP and OPP Test Function
- AC Input 115/230VAC Selectable
- Protection for OV, OC, OP and OT
- Simultaneous V, I and W Display
- High Current Sink at 1000A
Up to eight units from the ELP-34105 series can be arranged in parallel configurations. It is possible to connect 5kW to 40kW models, up to a maximum of 320kW. The diagram shows eight 40kW models from the ELP-34105 family operating in parallel together. When operating in master/slave operation, a number of test modes are not available. Please see the datasheet for more information.
Each unit is able to operate independently, so that systems can be reconfigured, expanded or broken up as needs dictate. This approach is useful for test houses and research labs who regularly test different sized power devices. Individual units can be used for the day to day testing of multiple small devices, then grouped together for larger projects.
Operating Ranges and Features
150-state memory is available as standard, which allows quick initialisation and limit-setting of the unit. This makes the ELP-34105 both dependable, and mobile as an on-site load tester.
The LCD display simultaneously shows Voltage, Current & Power. A sequencing function means that stored settings can be implemented against time, enabling the unit to carry out state-dependant and complex test routines without the need for a computer interface.
The ELP-34105 series is able to operate at maximum current from 1000VDC to 0.7VDC. This allows one system to test many different types of devices. When operating below 0.7V, the maximum amount of current that the load can sink decreases.
The 5kW unit is supplied with a carry harness for ease of installation.
All units can operate in CC, CV, CR, CP, CV+CC, CV+CP, MPPT, Dynamic and Short Modes.
The ELP-34105 series has a total of 5 battery discharge modes. These simplify test set up for users, whilst avoiding conditions which could result in permanent battery damage due to over or under voltage.
Interfaces and Control
Front panel control is provided as standard with each unit. Should remote control be required then LAN, USB, RS-232 or GPIB cards can be specified. Interface cards can also be easily retro-fitted or even swapped in the field by the user, further expanding its capability.
The /802 option provides a separate analogue interface which allows an input from an external source, such as an external waveform generator. The ELP-34105 will track the signal in CC, CV or CP modes, varying its load current proportionally according to the 0-10VDC signal. You can also monitor the sink voltage and current.
An ELP-34105 system was used by Brunel University London to perform discharge tests on a custom battery pack design they had created. The versatility of the load means that it is used on a variety of projects by multiple departments, from PV array testing to loading fuel cells.
|Max Power||Voltage Range||Current Range 1||Current Range 2|
|ELP-34105||5kW||0.7 - 60VDC||0 - 100A||0 - 1000A||Add|
|ELP-34110||10kW||0.7 - 60VDC||0 - 100A||0 - 1000A||Add|
|ELP-34115||15kW||0.7 - 60VDC||0 - 100A||0 - 1000A||Add|
|ELP-34120||20kW||0.7 - 60VDC||0 - 100A||0 - 1000A||Add|
|ELP-34125||25kW||0.7 - 60VDC||0 - 100A||0 - 1000A||Add|
|ELP-34130||30kW||0.7 - 60VDC||0 - 100A||0 - 1000A||Add|
|ELP-34135||35kW||0.7 - 60VDC||0 - 100A||0 - 1000A||Add|
|ELP-34140||40kW||0.7 - 60VDC||0 - 100A||0 - 1000A||Add|
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