Guide to Power Supply for Industrial Applications

This guide addresses the considerations for selecting the appropriate power supply for industrial applications, specifically for test equipment. It outlines essential factors such as voltage, current, cooling requirements, size, and regulatory certifications. The document emphasizes the importance of minimizing electrical noise, which can significantly impact the performance of sensitive electronic circuits. It discusses the types of noise, including common mode and differential mode noise, and the challenges they present. Furthermore, the guide highlights the significance of compliance with electromagnetic compatibility (EMC) standards, including IEC61000, to ensure reliable operation in various environments. The document details the effects of radiated and conducted emissions on test equipment and the necessity for power supplies to meet specific EMI standards. It also explains the implications of voltage dips and interruptions on power supply performance and the importance of hold-up time in maintaining functionality during such events. Overall, this guide serves as a comprehensive resource for engineers involved in power supply selection.