Today, LED lights have become the mainstream for lighting, with very few households using incandescent bulbs. The main advantage is that LED lights are more energy-efficient, consuming over 70% less power than incandescent bulbs for the same light output.LED lights have a longer lifespan compared to incandescent bulbs. Anyone who has used incandescent bulbs knows … Read more
The function of an inverter is to convert the industrial frequency (50Hz or 60Hz) AC power supply into a frequency-variable AC power supply for the motor, providing speed control by changing the frequency of the AC power supply. There are many types of inverters, mainly divided into two categories: AC-DC-AC inverters and AC-AC inverters. The … Read more
Abstract:The power supply and distribution system is a crucial component of the data center infrastructure, as various IT devices rely on its stable and safe operation for computing and storage. With the development of the digital industry, the power supply and distribution systems in data centers have also expanded, which raises higher requirements for their … Read more
Yesterday in our discussion group, a friend raised a question regarding UPS. A helpful member in the group provided an answer to this question. I have organized the question for everyone to share and learn from, and you can also share your thoughts in the comments section.Question: Can different brands of UPS be used in … Read more
：Click↑“Wanyi Selected” Subscribe to the Leading Media in the High-Reliability Power Supply Industry Wanyi Selected—The Leading Media in the High-Reliability Power Supply Industry Here you will find technical insights on power supplies, analysis of industry trends, introductions to the latest power supply products, and many power supply experts sharing their technical experiences with you. Follow … Read more
The STDES-3KWTLCP reference design targets a 3 kW/53.5V AC-DC converter power supply for 5G communication applications, utilizing a complete ST digital power solution. The circuit design includes a front-end totem pole PFC and a back-end LLC full-bridge architecture. The front totem pole PFC provides power factor correction (PFC) and harmonic distortion (THD) suppression, while the … Read more
Abstract: This article combines the operation and maintenance environment example of the Southwest Shandong Big Data Center, introducing the impact of infrastructure such as air conditioning and fresh air, power supply and distribution, lightning protection and grounding, fire protection and safety assurance, information networks and wiring, system monitoring, and water supply and drainage on IT … Read more
Power supply circuits are an important component of electronic products. The quality of power supply circuit design directly affects product performance. The main types of power supply circuits in our electronic products are linear power supplies and high-frequency switching power supplies. Theoretically, a linear power supply provides as much current as the user needs at … Read more
Abstract: Aiming at the shortcomings of conventional DC power supplies, which have low output voltage accuracy and cumbersome adjustments, a high-precision NC adjustable linear DC power supply is designed. This power supply has an adjustable output voltage of 0-30 V and a maximum output current of 4 A. The accuracy of the output voltage is … Read more
In the footnote of Chapter 24 of Volume 1 of “Capital,” Marx quoted a passage from British critic T.J. Dunning’s “Trade Unions and Strikes” (1860), which states: “Once there is a proper profit, capital becomes bold… With a 10% profit, it is guaranteed to be used everywhere; with a 20% profit, it becomes active; with … Read more