Home » Products » H&H PLI-MR, Multi-Range DC loads
The PLI-MR, multi range DC loads from H&H is part of the PLI series of electronic loads. The difference, however, lies in the fact that the -MR version has 4 “real current” current ranges starting at 40mA.
This makes it possible to program and measure relatively low load currents with high precision and resolution. The H&H PLI-MR series is suitable for voltages up to 60Vdc, 120V, 300V and 800Vdc and currents in the range of 0.04A to 180A. There are 12 models available with a power range from 5W to 1.500W. Depending on the model, the PLI-MR can dissipate up to double the power in certain ranges for short periods of time. Besides the basic “operating modes” CC, CV, CR and CP, the Multi range models also have combined operating modes such as CC+CV, CR+CC+CV, CP+CC+CV and CV+CC.
Alternating load profiles (Dynamic operation) are easy to configure up to 300 steps. With the standard available data acquisition function a fast data logging is possible for example for generating waveforms or characteristics including time, voltage and current values. Data can be stored to the internal memory on an external USB stick. Furthermore, the PLI-MR series is extremely suitable for the characterization of solar panels and optionally suitable for testing MPPT trackers.
The PLI-MR series DC loads is standard equipped with Ethernet + USB + RS-232 + CAN + Analog I/O ports. Optionally there is also GPIB and isolated analog I/O available.
Various software packages are available for the easiest possible use. There is software to easily operate the unit remotely. Also available is software to easily create a list of different settings to be run through at specific times. And there is software to study the stored data during a test and also software to easily set up an MPPT test. Of course there is also a Labview driver available if you want to combine this load in an automatic test setup.
PLI508MR4 PLI512MR4 PLI530MR3 PLI580MR3 PLI1008MR4 PLI1012MR4 PLI1030MR3 PLI1080MR3 PLI1508MR4 PLI1512MR4 PLI1530MR3 PLI1580MR3
Keywords for this DC power supply are also: Multi range, MPPT testing, standard remote interfaces, Dynamic operation and Data logging.
If you have any questions about prices and/or delivery times, or if you would like a demonstration of one of the PLI Series electronic DC power supplies please contact us. We will gladly advise you in choosing the best electronic DC load for your application.
Open the datasheet for detailed specifications of this product.
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Arnold Memelink
ABB
"The ABB Power Grids Jumet organisation is an innovative development and production facility of ABB that manufactures active filters and battery energy storage systems to support a stable grid. To test these systems we have acquired two Cinergia GE/EL +120kVA eplus units capable of doing grid emulation (AC + DC), operating as an electronic load (AC +DC) and being a battery emulator. We have experienced very good support from TTMS in obtaining these two Cinergia units. This included organising an on-site demonstration and supplying loan systems prior to the delivery of our final systems. This way we could start testing as early as possible. TTMS also organised training for the operators from the original manufacturer. This support allowed us to introduce the first battery energy storage systems even prior to the full delivery of the Cinergia systems."
Sasan Rafii-Tabrizi
University of Luxembourg
“At the Energy and Environment department of the Faculty of Science, Technology and Medicine (FSTM) of the University of Luxembourg we do have different research projects related to green energy contributing to the development of eco-cities. As a long-standing partner of our research unit, TT&MS has proven that they are able to answer even the most complex questions in a professional manner. They have shown that they are always up to date with the latest technology and do not spare any effort to look at the application and even the situation on site. The exchange of ideas was always very pleasant and took place quickly. We look forward to further years of fruitful cooperation.”
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