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Chroma Adds 2kW Solar Array Simulator to Programmable DC Power Supply Series

New 62020H-150S 150V/40A/2kW Programmable DC Power Supply with Solar Array Simulation is an addition to Chroma’s line of programmable DC power supplies designed specifically for PV inverter testing.

62020H-150S 2kw Programmable DC Power Supply with Solar Array Simulation
PRLog - June 30, 2014 - FOOTHILL RANCH, Calif. -- Foothill Ranch, CA: Chroma Systems Solutions, Inc., a leading provider of power conversion testing equipment and automated systems, announces the release of the new 62020H-150S 150V/40A/2kW Programmable DC Power Supply with Solar Array Simulation (SAS). This new 2kW model is an addition to Chroma’s line of programmable DC power supplies designed specifically for PV inverter testing.

The latest 62000H-S series programmable SAS power supply released by Chroma provides simulation of Voc (open circuit voltage) up to 150V and Isc (short circuit current) up to 40A. The 62000H-S provides an industry leading power density in a small 2U high package. The solar array simulator is highly stable with a fast transient response, both advantageous to MPPT performance evaluation of PV inverter devices.

Advantages of the 62000H-S series include high speed and precise digitizing measurement circuits with a 100kHz A/D, 25kHz D/A controlled I-V curve and a digital filter mechanism. It can simulate an I-V curve accurately and respond to the mains ripple effect from the PV inverter. In addition, the built-in EN50530/Sandia SAS I-V model in the unit can easily program the Voc, Isc, Vmp, and Imp parameters for I-V curve simulation without a PC controller. To help test the array’s I-V curve output influence of various weather conditions such as irradiation, temperature, rain, and shade, Chroma built in storing of up to 100 I-V curves into the simulator memory, with a programmed time interval range of 1-15,000 seconds. This makes it possible to simulate the I-V curve from the early morning to nightfall for PV inverter testing or dynamic I-V curve transient testing. The 62000H-S Series have a built-in 16 bit digital control and precision voltage and current measurement circuits boasting a voltage accuracy of 0.05% + 0.05% F.S. and a current accuracy of 0.1% + 0.1% F.S.

When high power solar array simulation is required, users can parallel up to ten 15kW units in a Master/Slave configuration to provide up to 150kW with current sharing and synchronized control signals. With Chroma’s smart Master/Slave control mode, the master scales values and downloads data to slave units so the programming is as simple as using a standalone unit.

The 62000H-S Series DC power supplies demonstrate easy operation from the front panel keypad or from the remote controller via USB/RS232/RS485/APG (standard) and GPIB & Ethernet (optional). Its compact size allows for both bench top and standard racking. Chroma’s also provides softpanels for real time MPPT analysis and tracking monitoring. Users can enable the data recording function on the softpanel during the static MPPT performance test.

For more information on Chroma’s 62000H Solar Array Simulators, logon to http://www.chromausa.com  or call us at (949) 600-6400.

About Chroma Systems Solutions

Chroma Systems Solutions, Inc. is the North American business unit of Chroma ATE, the world leader in power conversion testing instruments and automated test systems.  With offices and manufacturing facilities located around the globe, Chroma is committed to provide excellence in product, service, and innovation.  Chroma Systems Solutions, Inc. is located in Foothill Ranch, CA.  For more information please visit http://www.chromausa.com or call us at (949) 600-6400.

Steve Grodt

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Source:Chroma Systems Solutions
Location:Foothill Ranch - California - United States
Industry:Energy, Engineering
Tags:pv inverter, solar, simulation, dc power supply, power conversion
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