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SANTA ROSA, Calif., Aug. 27, 2015
Keysight Technologies, Inc. (NYSE: KEYS) today introduced two photovoltaic array simulators, the N8937APV and N8957APV, to help engineers develop, verify and maximize the performance of inverter maximum power point tracking algorithms and circuits.
Engineers need to ensure their solar inverters are capable of converting maximum power from the solar array to which they are connected. Developing and verifying the performance of inverter maximum power point tracking (MPPT) algorithms and circuits is challenging. MPPT algorithms are complex, and under-the-sun testing with a comprehensive set of temperature and irradiance conditions is difficult, expensive and time consuming.
"Small increments in power production have a dramatic effect on the profitability of solar power generation," said Kari Fauber, general manager of Keysight's Power and Energy Division. "Keysight's new PV array simulators help engineers capture as much energy as possible from their inverters, to improve the economics of solar power generation."
Engineers can use the new Keysight N8937APV and N8957APV photovoltaic array (PV) simulators in a laboratory or on a manufacturing line to simulate the output characteristics of a real-world photovoltaic array. The N8937/57APV PV array simulators are autoranging, single-output, programmable DC power sources that can quickly simulate I-V curve characteristics under different environmental conditions (temperature, irradiance, age, cell technology and more), enabling engineers to quickly and comprehensively test their inverters.
The N8937/57APV PV array simulators provide stable output power, built-in voltage and current measurements and autoranging output voltage and current from 500 to 1,500V and 10 to 30A. The autoranging capability makes the units more flexible than traditional rectangular-output power supplies because they expand the power curve to provide more voltage and current combinations.
In addition to using the N8937/57APV units to simulate PV arrays, engineers can use them for other test and measurement tasks. They provide 15-kW autoranging, programmable DC power for design verification and ATE applications that require just the right amount of performance at an affordable price. Engineers can easily configure multiple units in parallel to create a single power supply that offers more than 90 kW of power.
More information on Keysight's N8937/57APV is available at www.keysight.com/find/N8937APV and www.keysight.com/find/N8957APV. Images of the solution are available at www.keysight.com/find/N8900APV_images.
U.S. Pricing and Availability
The N8937/57APV PV array simulators are available now. The 208-VAC N8937APV and the 400-VAC N8957APV are priced at $15,660.
Keysight Technologies (NYSE:KEYS) is a global electronic measurement technology and market leader helping to transform its customers' measurement experience through innovations in wireless, modular, and software solutions. Keysight's electronic measurement instruments, systems, software and services are used in the design, development, manufacture, installation, deployment and operation of electronic equipment. The business had revenues of $2.9 billion in fiscal year 2014. Information about Keysight is available at www.keysight.com.
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Sarah Calnan, Europe
+44 (118) 927 5101
Connie Wong, Asia