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保护可编程直流电源: 防止电感、电容和振荡负载的不利影响 Tuesday, October 28, 2025
连接直流电源与负载看似简单,但在某些复杂场景下可能充满挑战。尽管电源制造商设计产品时已确保其在多种负载下的稳定性,但某些负载特性仍可能带来风险,甚至损坏电源的输出级。感性负载、容性负载以及负载电流快速变化的负载可能引发振荡,危及电源和负载设备。此外,感性和容性负载会向电源反馈能量。本文将探讨直流电源可能面临的各类危险负载类型,并提供解决方案,以确保电源可靠运行并保护负载安全。 感性负载: 感性负载(如电机、螺线管和机电继电器)可能成为能量源,向电源反馈能量并造成损坏。当电压和电流施加到感性负载时,会建立磁场并储存势能。在电源断开时,磁场崩溃,产生反向极性的电压尖峰。这种反向电动势可能损坏电源的输出级。 为保护电源,可在电源输出端并联一个反向偏置二极管,称为续流二极管或飞轮二极管。当电源关闭时,该二极管为感性负载产生的电流提供通路,从而保护电源免受反向电动势冲击 …
User interface for TSP Toolkit's newest auto script generation feature that automatically generates TSP scripts for IV characterization tests
Click to Code: TSP Toolkit's I-V Script Generation Beta for the MP5000 Series Tuesday, September 16, 2025
Reduce development time and effort for current vs. voltage (I-V) tests on a variety of devices, such as multi-terminal semiconductor components, solar cells, and more with the TSP Toolkit script development environment, a Visual Studio Code extension. This new feature, currently in Beta, allows you to configure each MP5000 Series Modular Precision Test System SMU or PSU module for a variety of …
SMU-DMM-AFG-PS
SMUs vs. 5 Other Instruments Tuesday, August 6, 2024
Source Measure Units (SMUs) are versatile instruments developed at the advent of semiconductors to characterize their complex behavior. Key capabilities of a SMU include 4-quadrant operation, precision measurement and sourcing, and high speed. These capabilities make SMUs similar to a range of other test and measurement equipment, yet different in meaningful ways. This blog explores some of the …
Tektronix power rail measurement with Passive Probes (below) and Power Rail Probes (above)
Achieving Better Energy Efficiency in AI Data Centers With Power Integrity Testing Tuesday, June 18, 2024
Introduction Deployment of AI-based technology is happening in the Data Center. The processor-intensive servers are driving up energy demands. The table below illustrates the magnitude of the impact. The International Energy Agency (IEA) predicts that data centers will account for up to seven percent of global electricity consumption by 2030; a number equivalent to the entire country of India’s …
a person with their eyes closed
Choosing the Ideal Programmable DC Power Supply: Key Features to Consider Thursday, June 13, 2024
When purchasing a power supply, especially a programmable DC power supply, it is critical to understand and consider the power supply’s various features and specifications. DC programmable power supplies are standard in many areas, including research and development, manufacturing tests, quality control labs or process-control systems. Overlooking key features can lead to costly errors, project …
blog-efficiently-and-easily-test-fuel-cells
Fuel Cell Testing: Best Practices & Tools Thursday, June 13, 2024
One fuel cell type at the cornerstone of modern clean energy solutions is hydrogen fuel cells. They convert chemical energy from fuels into electrical energy through electrochemical reactions. Unlike conventional combustion-based power generation, fuel cells produce electricity with higher efficiency and significantly lower emissions, making them vital for sustainable energy systems. However, much …
Efficient battery power delivery supporting radio communications during a military operation.
Breaking Through Barriers: High-Power Battery Manufacturing Enhanced with Innovative Test Tools Tuesday, June 11, 2024
Lead-acid batteries have long been a staple in various industries due to their durability and efficiency. However, as demands for higher power densities and more environmentally friendly solutions increase, traditional manufacturing approaches face significant challenges. A leading battery manufacturer in the United States, is tackling these challenges head-on with innovative test tools that are …
A car charging station (EVSE)
What is EVSE? A Comprehensive Guide to Electric Vehicle Supply Equipment Friday, April 26, 2024
As electric vehicles (EVs) continue to proliferate, understanding the infrastructure that supports them, particularly Electric Vehicle Supply Equipment (EVSE), or charging stations, becomes crucial. This guide explains what EVSE is, how it works, and why it's essential for the transition to electric mobility. After learning about EVSE, take the next step to learn about EVSE test and measurement …
Tektronix and newly acquired Electro-Automatik
EA Elektro-Automatik Greatly Expands Tektronix's High-Power Test and Measurement Coverage Friday, April 12, 2024
Tektronix has a long history of giving the industry a high-fidelity window into high-speed signals with oscilloscopes, probes, signal analyzers and signal sources. Tektronix is a favorite among designers in renewable energy, electric vehicles, and data center power, among other power-related industries. Keithley, also part of the Tektronix family, is a recognized leader in measurement instruments …
在电路中确定可编程直流电源准确性的因素 Friday, January 19, 2024
测量精度是所有测试系统的基本规格。精度规格是系统中所有设备和系统整体布局的综合考量,包括布线选择和配置。确定测试系统精度必须包括测试系统中所有可编程直流电源的精度。那么,是什么定义可编程直流电源的精度呢?接下来我们将从以下方面介绍影响可编程直流电源精度的设备参数和布线配置。 需要考虑的精度术语  远程感测的重要性 为电源到负载布线的建议 可编程直流电源的精度规格和术语 让我们首先看看设备的其他规格,这将有助于更好的理解电源的输出精度。 显示精度 – 此规格通常是设备精度的主要贡献者。这个参数基本上是电源输出和反馈路径中所有组件的误差预算。显示精度表示为满量程电压的百分比数值或输出电压设置的百分比数值。 负载调节 – 负载调节定义了随着负载电阻的减小,需要更多电流来维持固定电压值时,输出电压的下降 …