Modeling and Simulation of Passive Dynamic Harmonic Filter Based on IGBT

2013 ◽  
Vol 475-476 ◽  
pp. 1615-1618
Author(s):  
Juan Li ◽  
Jing Chen ◽  
Yi Deng ◽  
Jing Li

The objective of this work is to simulate a kind of passive harmonic filter based on IGBT to improve the power factor of the power supply system, then to verify the feasibility of reactive power compensation and harmonic suppression. According to the topological structure and working principle of passive dynamic harmonic filter based on IGBT, the simulation model of the system has been set by the Simulink tool. Simulation results show that the passive dynamic harmonic filter based on IGBT can compensate the corresponding reactive power and suppress harmonic in the power grid. The research of this paper has laid a theoretical foundation for this filter in industrial applications.

2013 ◽  
Vol 321-324 ◽  
pp. 1414-1417 ◽  
Author(s):  
Jing Chen ◽  
Qi Jian Cheng ◽  
You Xin Yuan ◽  
Wei Yang

The objective of this work is to research on a SVC auto-compensation method to improve the power factor of the power supply system. Firstly, the principles of the reactive power compensation of FC+TCR are analyzed qualitatively. According to the deficiencies of this compensator, a novel SVC auto-compensating method based on the variable reactor is presented. The reactor controlled by anti-parallel thyristors is namely as the variable reactor in this method. The secondary-side equivalent inductance of the variable reactor is varied by adjusting the SCR firing angles. And then, the equivalent inductance of the variable reactor of the compensator branch is adjusted indirectly for compensating the corresponding reactive power after the working conditions of the load are changed. Therefore, the auto-compensating of this var compensator is realized. The auto-compensating principles of this compensator have been analyzed, and a research on the compensating parameters of this compensator is given emphatically in this paper. Finally, the essential operation steps of this SVC compensation method are given. The research of this paper has laid a theoretical foundation for this compensator in industrial applications.


2022 ◽  
Vol 1 (15) ◽  
pp. 22-28
Author(s):  
Igor' Golovanov ◽  
Alena Alekseeva ◽  
Vladimir Proskuryakov ◽  
Roman Samchuk

Electrical circuits of reactive power compensation on the basis of thyristor control circuits in the power supply system of oil refineries are considered. The main advantages, advantages over traditional reactive power compensation systems and directions of introduction into the power supply system of modern production are formulated.


2021 ◽  
Vol 2121 (1) ◽  
pp. 012016
Author(s):  
Qiangjun Liu ◽  
Yun Liang ◽  
Junlin Zhang ◽  
Liangbo Qi

Abstract An application scheme of Poe based Ethernet technology in meteorological intelligent sensor system is designed. The working principle and implementation method of Ethernet power supply system (POE) based on IEEE802.3af Ethernet power supply industry standard are experimentally analyzed. The power supply part of the meteorological intelligent sensor makes full use of Poe technology to provide current on the network cable transmitting data, which greatly reduces the complexity of the power supply system and improves the reliability of the system power supply design. Through the test of the actual system, the function and performance of the meteorological intelligent transmission system have achieved the expected results.


2020 ◽  
Vol 2 (58) ◽  
pp. 28-32
Author(s):  
A. Gapon ◽  
O. Grib ◽  
S. Kozlov ◽  
O. Yevseienko ◽  
O. Levon

The work is devoted to solving an urgent problem - the development of a computer model of the energy consumption system of the Institute of the ionosphere of the National Academy of Sciences and the Ministry of Education and Science of Ukraine in order to solve the problem of increasing the energy efficiency of the measuring complex. The power supply system of the complex is described, a generalized structural diagram of the loads - powerful consumers of electricity is presented. The graphs characterizing the energy consumption of individual powerful loads are presented, the problem of compensating the reactive power of loads is shown. The adequacy of the developed model is confirmed by the coincidence of the shape and values of the experimentally obtained characteristics on loads with the characteristics of the model. The model adequacy was assessed by the variance of feedback deviations from the system mean. The results obtained confirmed the possibility of using the developed Matlab-model of the energy consumption system of the measuring complex for creating and testing on the model of an energy-efficient power supply system, which will ensure the stable operation of scientific equipment for the implementation of research programs of the NAS of Ukraine.


2005 ◽  
Vol 75-79 ◽  
pp. 123-126 ◽  
Author(s):  
P. Méndez ◽  
I. Kirpitchev ◽  
M. Blaumoser ◽  
M. Visiers ◽  
A. Agudo ◽  
...  

Author(s):  
J. Prince Joshua Gladson ◽  
A. Ravielango

Metro is integral to the urban rail transit with the expansion of the city. Due to the tremendous power consuming of the traction load which is generally considered to be megawatt class, the attendant problems concerning energy-saving and emission-reduction cannot be neglected. An approach wherein the photovoltaic plants are connected into the metro traction power supply system to provide electrical energy is proposed in this paper. Given the deterioration of power quality brought about by PV connection, the photovoltaic inverter adopts output reactive power control method.


Author(s):  
V.Z Manusov ◽  
P.V. Matrenin ◽  
N. Khasanzoda

Optimization of a power supply system is one of the main directions in power engineering research. The reactive power compensation reduces active power losses in transmission lines. In general, researches devoted to allocation and control of the compensation units consider this issue as a static optimization problem. However, it is dynamic and stochastic optimization problem that requires a real-time solution. To solve the dynamic optimization NP-hard problem, it is advisable to use Swarm Intelligence. This research deals with the problem of the compensation units power control as a dynamic optimization problem, considering the possible stochastic failures of the compensation units. The Particle Swarm Optimization and the Bees Algorithm were applied to solve it to compare the effectiveness of these algorithms in the dynamic optimization of a power supply system.


Author(s):  
Elena Ivanovna Gracheva ◽  
Muhayo Islomovna Toshkhodzhaeva ◽  
Okhunbobo Saifidinovich Rakhimov ◽  
Ayubjon Jumaevich Vohidov ◽  
Ismoiljon Ilkhomovich Ismoilov

Sign in / Sign up

Export Citation Format

Share Document