Description
hardware flow control. It is an ideal choice in the field of industrial automation.There is no doubt that power system is a very traditional major in electrical engineering
. After graduation, you are more likely to enter power companies at all levels affiliated to the
State Grid or China Southern Power Grid Co., Ltd. Have you seen that there are many people in
this forum who talk about electricity? The salary is high, so it can be regarded as an iron rice bowl
with guaranteed income regardless of drought or flood; while power electronics and power transmission are a brand-new
major, which is an interdisciplinary subject of electricity, electronics and control theory, involving circuit topology,
automatic theory, analogue, digital and electrical synthesis. Knowledge, practical ability and practical experience determine
the success or failure of the project to some extent. After graduation, students majoring in power electronics generally enter
companies or research institutes, such as the world”s top power electronics companies, such as Emerson, GE, Simens, ABB
, Philips, Oslang, etc., and of course a bunch of domestic companies, generally engaged in switching power supplies and UPS. ,
frequency converter, reactive power compensation, and active filtering, etc. To sum up, if you want to have a good iron job at least for
now, study power systems; if you want to engage in a cutting-edge and challenging sunrise industry, and are not afraid of hardship,
I hope you can study power electronics and electric transmission
after all the hardships. If you don”t get an official position in a power company after three or five years after studying power systems,
your salary at that time may not be as good as that of students who work in power electronics. Power electronics and electric transmission are a brand-new subject. Most of the teachers in China have a background in electrical machinery and may not be able to provide practical guidance.
However, the importance of a mentor is to provide you with broad research resources and lead you into the door of this subject. There are
still some domestic institutions with strong strengths in this subject: the first is undeniably Zhejiang University, with professors Xu Dehong,
Qian Zhaoming, Lu Zhengyu, etc.; the second is Xi”an Jiaotong University, with the highly respected teacher Wang Zhaoan and his two
disciples Liu Jin Jin, Yang Xu; the last one is Yan Yangguang from Nanjing University of Aeronautics and Astronautics and his student
Professor Ruan Xinbo. Of course, the most awesome school in the world is the National Power Electronics Systems Research Center
at Virginia Tech in the United States, where the most awesome Professor Fred.C.Lee Zeyuan Li is located; Of course, the University of
Colorado at Boulder in the United States is not weak either, especially in the direction of digital control of power electronics. Erickson and
Maksimovic, authors of the famous power electronics textbook Fundamental of Power Electronics, are leading figures here. Students who
are interested in engaging in power electronics research abroad can apply to these two schools. In addition, the FREEDM Research Center
of North Carolina State University is also conducting research on power electronics and power electronic devices. There is Professor Alex Q.
Huang [1], the first domestic IGBT manufacturer, and IGBT experts. Inventor Jayant Baliga. However, it is a pity that power electronics is currently
only a technology and cannot be called a scientific subject. That is because a complete and accurate theoretical basis has not yet been formed.
Because if there is no profound theoretical foundation, it cannot be called science. This discipline is currently mainly engaged in the research of
circuit topology and application technology. The current theoretical basis is linear control method and circuit engineering. However, power
electronics should not be regarded as a linear system, because power devices work in a switching state, which is a strongly pathological
nonlinear system. Therefore, it can be said that the current power electronic system based on linear control theory is completely insufficient
and can even lead to some wrong conclusions in some cases. There are currently several research directions in power electronics technology:
High-frequency switching power supply
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IC695ETM001 GE Single slot module
IC695EDS001 GE External station module
IC695CRU320 GE Redundant processor
IC695CPU320 GE The central processing unit
IC695CPU315 GE Central processing unit
IC695CPU310 GE Programmable automation controller
IC695CPK400 GE Programmable automation controller
IC695CPE400 GE Central processing unit (CPU) module
IC695CPE330 GE Automation controller
IC695CPE310 GE Central processor module
IC695CPE305 GE Central processing unit
IC695CPE302 GE controller
IC693DSM302 GE Motion controller
IC693DNS201 GE Communication module
IC693DNM200 GE Main control module
IC693CPU374 GE Programmable Logic Controller (PLC) module
IC693CPU372 GE Ethernet communication module
IC693CPU370 GE Programmable logic controller
IC693CPU367 GE Central processing unit
IC693CPU366 GE Network CPU main module
IC693CPU364 GE Single slot central processing unit
IC693CPU363 GE Programmable logic controller
IC693CPU360 GE The CPU module is embedded in the backplane
IC693CPU352 GE Single slot CPU module manufactured by PLC system
IC693CPU351 GE CPU module
IC693CPU350 GE controller
IC693CPU341 GE Single-slot CPU
IC693CPU340 GE Expansion base plate
IC693CPU331 GE The CPU module is embedded in the backplane
IC693CPU323 GE Base Turbo CPU in slot 10
IC693CPU321 GE 10-slot I/O backboard with embedded CPU
IC693CPU313 GE Embedded CPU
IC693CPU311 GE 5 Slot Embedded CPU base rack
DSSR-122 ABB Power supply unit
DSQC664 ABB Ac servo driver
DSQC661 ABB controller
DSQC604 ABB Digital I/O board
DSQC545 ABB Optical fiber point sensor
DSQC539 ABB DCS control system
DSMB-01C ABB Power strip
DSDX452 Remote input ABB
DSDI-110AV1-3BSE018295R1 ABB Digital input pad
DSDI110A-57160001-AAA ABB Digital input sets up the robot
DSCS140-57520001-EV ABB Processor
DSCL110A-57310001-KY module
DS3820PSCB GE Turbine control module
DS3820A Gas turbine clamp
DS3810MM GE Gas turbine clamp
DPW03 ABB Power Supply Module
DDC779BE02 ABB Main board module
DAI04 ABB Independent channel isolation
CP650 ABB Control Panel 10.4 “TFT touch screen
CP450 ABB Touch screen
CI930F ABB Communication interface
CI858k01 ABB Communication interface module
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