UMC can’t stand it anymore

In the context of the continued downturn in the global application market, the utilization rate of foundry capacity has generally declined. Starting from the third quarter of 2022, more and more IC design manufacturers have cut orders, and the effect of cutting orders in the fourth quarter has become more obvious. In order to maintain […]

Hard times for semiconductor equipment giants

Starting from 2021, with the rapid development of 5G, Internet of Things, big data, artificial intelligence and other fields, the global semiconductor industry is facing a huge demand for expansion of advanced process capacity, which will bring huge market space for the semiconductor equipment industry. However, advanced semiconductor equipment manufacturers, which should continue to prosper, […]

Apple’s India manufacturing takes another hit as supplier’s factory in India catches fire

On February 27, Foxline, an Apple supplier, suffered a fire at its factory in Andhra Province, southern India, burning four production lines, and the other six production lines could not resume production for a short time. Inflicted another round of blows. Apple’s India manufacturing takes another hit as supplier’s factory in India catches fire It […]

Analysis of the influence of HVAC air volume and return air ratio on heating energy consumption of electric vehicles

introduction Electric vehicles are powered by vehicle-mounted power supplies and drive wheels with motors. During use, they will not produce exhaust gas and pollute the environment. They have become an advantageous development model driven by carbon dioxide emission reduction policies, and are sought after by global vehicle manufacturers and users. Electric vehicles also have the […]

Research and Application of Temperature Raising Method to Test K Value of Railway Vehicles

introduction Vehicle insulation performance is one of the important indicators for evaluating vehicle performance, and it is also one of the important basis for air-conditioning unit selection. In railway vehicles, the thermal insulation performance of the vehicle is represented by the comprehensive heat transfer coefficient K value, according to the “Test Method for Thermal Insulation […]

Application of Solid State Disk in Substation Automation Equipment

Application of Solid State Disk in Substation Automation Equipment Abstract: Substation automation equipment uses a large number of solid-state hard drives as external memory, and when the number of full erases and writes of solid-state hard drives reaches a certain amount, it will affect the normal operation of automation equipment. Now, a typical SSD failure […]

Application of cloud computing technology in power dispatching

introduction With the continuous development and construction of the power system, the source, scale and type of power data continue to expand, control basic data, power grid operation data, primary and secondary equipment monitoring data/status data/working condition data, new energy resource data, natural environment data, etc. The change data and other data together constitute the […]