White Paper: Test & Measurement
Precision High-Voltage Switching: Achieving Safety, Reliability & Repeatability
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This white paper provides an in-depth analysis of precision high voltage switching, including the importance of minimizing the effects of electrical spikes, transients, and surges on modular switching cards and details the suppression circuitry necessary to protect relay coils and contacts. Also the benefits of commercial off-the-shelf (COTS) technologies to create a flexible and cost-effective testing environment that integrates hardware and software, optimizes test routines, and runs multiple tests in parallel, significantly reducing test time.
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Overview
The white paper titled "Precision High-Voltage Switching: Achieving Safety, Reliability & Repeatability" by Pickering Interfaces discusses the increasing demand for high-voltage signal switching, particularly in emerging markets such as electric vehicles, where voltages exceed 500 V. It emphasizes the necessity for reliable and precise testing solutions to meet the challenges posed by these elevated voltage levels.
A key focus of the paper is the benefits of modular test systems based on industry standards like PXI (PCI eXtensions for Instrumentation) and LXI (LAN eXtensions for Instrumentation). These modular systems are designed to be flexible and scalable, allowing for easy integration and automation of testing processes. By utilizing commercial off-the-shelf technologies, these systems can reduce costs, save development time, and optimize test routines, enabling multiple tests to run in parallel.
The paper also highlights the importance of safety and reliability in high-voltage applications. It discusses the implementation of suppression circuitry to protect modular switching cards from spikes, transients, and surges, which can damage relay contacts. This protective measure is crucial for maintaining the integrity and longevity of the testing equipment.
Furthermore, the white paper outlines the advantages of working with Pickering Interfaces, which offers a comprehensive range of modular signal switching and simulation products for PXI, LXI, and PCI applications. The company also provides essential support tools, including cable and connector solutions, diagnostic test tools, and in-house developed software and drivers.
In summary, the white paper presents a thorough examination of how modular switching systems can effectively address the growing demands for high-voltage testing, ensuring safety, reliability, and repeatability in electronic test and verification processes. It positions Pickering Interfaces as a leader in providing innovative solutions tailored to the evolving needs of the industry.