Keysight Delivers New Solar Array Simulator Solution for Satellite Power Systems

Keysight Technologies, Inc. | December 02, 2022 | Read time : 01:56 min

Keysight Delivers New Solar Array Simulator
Keysight Technologies, Inc. (NYSE: KEYS), a leading technology company that delivers advanced design and validation solutions to help accelerate innovation to connect and secure the world, announced the new MP4300A Series Modular Solar Array Simulator (SAS) to emulate the behavior of photovoltaic (PV) segments. The SAS solution simulates all conditions a craft or satellite will encounter in space with high fidelity.Launching solar-powered spacecraft or satellites is incredibly expensive, with little possibility of recovery or repair. These vehicles must have efficient and reliable power management systems, which often cannot be tested by using actual solar panels to provide power. Engineers must have a test solution that can verify a spacecraft’s power management system through high fidelity PV emulation.

Keysight’s new MP4300A SAS addresses this challenge with a 6-kW modular power supply, supporting fast current-voltage (I-V) curve changes with a quick recovery time that mimics rapidly changing conditions in space.

The MP4300A SAS offers the following key benefits:
  • Industry-leading power density of 6 kW in 2U of rack space, which can reduce capital expenditures.
  • A modular SAS platform, the first in the industry.
  • Reduced thermal challenges due to the MP4300’s high power density, 2-quadrant capabilities, and the hardware’s regenerative power technology.
  • Flexible power and performance options allowing the six modules to be switched out as test requirements change. Offers two classes of 1kW SAS modules:
  • MP4361A 160V/10A auto-ranging module.
  • MP4362A 130V/8A module.
Support for rapid deployment of SAS systems with demanding performance requirements by allowing control of up to six channels through a single I/O port with a familiar programmatic interface.

 “Analyzing power generation is an important part of the satellite design and validation process. With the MP4300 series, Keysight gives engineers the solution they need to accurately emulate conditions in space and accelerate the testing of new PV array designs, speeding time-to-market, and reducing the risk of failure after deployment.”

-Greg Patschke, General Manager of Keysight’s Aerospace Defense and Government Solutions group

Additional information about Keysight's new MP4300A Series Modular Solar Array Simulator is available at:

About Keysight Technologies
Keysight delivers advanced design and validation solutions that help accelerate innovation to connect and secure the world. Keysight’s dedication to speed and precision extends to software-driven insights and analytics that bring tomorrow’s technology products to market faster across the development lifecycle, in design simulation, prototype validation, automated software testing, manufacturing analysis, and network performance optimization and visibility in enterprise, service provider and cloud environments. Our customers span the worldwide communications and industrial ecosystems, aerospace and defense, automotive, energy, semiconductor and general electronics markets. Keysight generated revenues of $5.4B in fiscal year 2022. For more information about Keysight Technologies (NYSE: KEYS), visit us at Additional information about Keysight Technologies is available in the newsroom at and on Facebook, LinkedIn, Twitter and YouTube


Most companies run into significant challenges on the path to net zero. Many cannot get a handle on their current sustainability performance because it’s hard to aggregate data from a myriad of sources. Others are so overwhelmed with the financials, they freeze on their path to net zero or, worse yet, they never start. Even large businesses may struggle to make upgrades to bolster their buildings’ energy efficiency or afford expensive new equipment and smart building technology. Instead, immediate budgetary needs, like paying employee salaries and product development, take precedent.


Most companies run into significant challenges on the path to net zero. Many cannot get a handle on their current sustainability performance because it’s hard to aggregate data from a myriad of sources. Others are so overwhelmed with the financials, they freeze on their path to net zero or, worse yet, they never start. Even large businesses may struggle to make upgrades to bolster their buildings’ energy efficiency or afford expensive new equipment and smart building technology. Instead, immediate budgetary needs, like paying employee salaries and product development, take precedent.

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