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In addition to magnetic element design, feedback network design is also the least known and very troublesome work of switching power supply. It involves analog electronic technology, control theory, measurement and computing technology and other related issues.CatalogIntroductionSwitching Power Supply Design1. Frequency Response1.1 Basic Concept1.2 Frequency Response of Basic Circuits1.2.1 High Frequency Response1.2.2 Phase-frequency Characteristic1.2.3 Low Frequency Characteristic1.3 Chara ...
Warm hints: this article reading time is about 15 minutes.SummaryThis article is mainly to talk about the latest development of electric vehicle power management technology. Electric vehicle systems consist of electric motors, power converters, and energy storage devices such as lithium-ion batteries. This new architecture system must be optimized to maximize system efficiency, enabling the car to achieve maximum travel distance on a single charge. These developments in electronic technology hav ...
Warm hints: The word in this article is about 2500 and  reading time is about 12 minutes.SummaryIn the power system, in addition to the traditional harmonic sources, such as electric arc furnace and frequency converter, the nonlinear loads such as new energy access and charging pile may produce a lot of harmonics. In order to prevent harmonic from further affecting the power grid, accurate monitoring and timely treatment of harmonic level in power grid is a necessary step. The correct measu ...
Warm hints: The word in this article is about 1000 and the  reading time is about 6 minutes.SummaryResearcher form MIT discovered a way to increase that efficiency threefold, using "topological" materials, which have unique electronic properties. While past work has suggested that topological materials may serve as efficient thermoelectric systems, there has been little understanding as to how electrons in such topological materials would travel in response to temperature differen ...
SummaryThere is an article named "Working principle and Development of Solar Cell" in the Kynix Semiconductor Electronic Blog, it detailed shows that the development of new energy sources mainly concentrates on renewable energies such as solar energy,hydrogen energy, wind energy and geothermal energy, among which solar energy resources are abundant and widely distributed, and are the most promising renewable energy sources. In 1839,French scientist E.Becquerel discovered the photovolta ...
SummaryAs is listed in the market,there is a little of small,inexpensive switch for latching power to a load unless you buy low-current,momentary action pushbotton switches like PCB-mount‘tactile types'. However, we can get a suitable latching power switch passing by converting a pushbutton's momentary action into a latching function.New Design IdeaPrevious Design Ideas have proposed solutions based on discrete components  and IC-based circuits . The circuit outlined below, however, ...
CatalogsI.SummaryA. +/- Step-down output: circuit operation1II.Buck ConvcerterB. +/+ step-down output2III.Three DC/DC Converter Topologies2. Inverting buck-boost (step-up and step-down) topology41.Isolated buck topology3. Isolated buck-boost topology: +/- output5I.SummaryAs we all known,power supply circuits come in the form of voltage step-up or step-down DC/DC converter.Nowadays,more and more applications require multiple voltage rails to drive ICs.The rails may be inverting,or non-inverting,w ...
SummarySeveral days ago, I was facing a challenge in my lab is--what is the perfect way to power breadboard projects?Situation and SolutionActually,I used breadboards to prototype almost all of my designs and I have always had less than ideal setups.Between my bench power supply, which has banana plugs, and the many wall transformer power supplies I have around the house with 2.1 mm plugs, I just do not have any options that are breadboard friendly.Here,just see the following photos,you wil ...
SummaryHappy new year! The year of 2017 has become a past tense,whatever you experienced in the last year,let's celebrate the 2018's coming together ! Today I would like to show you a power projects about the high power voltage current  bridge driver using IR2153&IGBT.Project PhotoThis is a high power voltage current half bridge driver.About IGBT and IR2153IGBT based alf bridge board has been designed for multiple applications,like induction heater driver,tesla coil driver, ...
SummaryAccording to recent market research by Grand View Research,the global power electronics market will be valued at $39.2bn by 2025.To ensure electrical products and infrastructure are capable of supporting this 40% growth, REO UK is calling on laboratories and testing facilities to invest in stable DC power supplies for electrical testing. Electrical testing is a critical part of the design and development of power electronics and electrical components.Electricla Testing WorkElectrical test ...
SummaryIncreasing demand for energy and power encourages companies operating in energy and power industry to adopt solutions that can help them enhance production output with minimum errors and reduced down-time on a global scale. The products are offered specifically for the energy sector to enhance operations in the energy data management area.Industry 4.0 solutions help power plant owners, operators, and Original Equipment Manufacturers (OEMs) in the power industry make improved business deci ...