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
DSTS106 3BSE007287R1 Trigger pulse Generator cassette backup regulator
DI650 3BHT300025R1 Digital input 32 channels
DSTS105 3BSE007286R1 is used to simulate a backup regulator
3500/92-02-01-00 Communication gateway
TC515V2 3BSE013284R1 AF100 Twisted pair repeater
DSAI155A 3BSE014162R1 thermocouple module
TC512V1 3BSE018059R1 RS485 Twisted pair modem
DSAO130A 3BSE018294R1 Analog output board 16 channels
DSTA155P 3BSE018323R1 Connect unit 14 thermocouple
DSTA002B 3BSE018317R1 Analog input board connection unit
DSTA135 3BSE018315R1 input board
DSTD190V1 3BSE018314R1 Connects to unit 32 Ch
DSTA001B 3BSE018316R1 Analog long connection unit
DSTA001B 3BSE018316R1 Analog long connection unit
DSTA181 3BSE018312R1 connection unit for simulation
DSTA156B 3BSE018310R1 Connect unit 32 Ch
CI522AK04 3BSE018451R1 Communication module
CI522AK02 3BSE018449R1 Communication bus module
CI522AK01 3BSE018448R1 Field Bus interface module
CI522AK03 3BSE018450R1 Communication module
DSTD108P 3BSE018333R1 Connects to Unit 8 Ch
DSTD108LP 3BSE018335R1 connection unit with 8 relays
DSTD196P 3BSE018332R1 Connects to the Unit 8 Ch S100 I/O terminal unit
DSTD109P 3BSE018327R1 Connects to Unit 8 Ch S100 I/O terminal unit
ABB TC560V2 3BSE022178R1 Optical Modem
T8110B ICS Triplex Trusted TMR Processor
Enterasys SSA-G1018-0652 switchboard
SRFC4620C Inverter filter board
SR469-P5-HI-A20-E-H Motor management relay
SINT4611C Main circuit interface board
SDCS-PIN48-SD PULSE TRANSFORMER BOARD
SCXI-1302 Terminal block
SCXI-1160 General-Purpose Switch Module for SCXI
SCXI-1102 Voltage Input Module for SCXI
SCXI-1100 Voltage Input Module for SCXI
SC560 3BSE008105R1 Submodule Carrier incl local CPU
RXIIK 4 1MRK001643-AA Negative sequence overcurrent relay
RXEDK 2H 1MRK000841-KA Time Over/Under Voltage Relay
RVAR-5612 68260850 VARISTOR UNIT
RMIO-11C 68789010 CONTROL BOARD
REXROTH LT304 SN:882000119
REX B871NN-CS1B1 controller
REX010 HESG324426R0001 HESG324389 Earth Fault Protection Unit
PPD113 PPD103B101 3BHE020455R0101 3BHE023784R2630 controller
PP836 3BSE042237R1 PP836 Operator Panel
PP835A 3BSE042234R2 Touch Panel, 6.5″
SAIA PCD4.D1XX 463665500 Communication
PCD2.M110 Central processing units
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