The Simulation Research and Analysis of Transformer with Differential Protection in Shipboard Medium Voltage Based on Matlab

2014 ◽  
Vol 1021 ◽  
pp. 181-185
Author(s):  
Bing Shen ◽  
Hong Zhi Zhang ◽  
Xin Yi Jiang ◽  
Guo Shun Xu
Keyword(s):  
Simulation Model ◽  
Differential Protection ◽  
Safe Operation ◽  
Simulation Research ◽  
Matlab Simulink ◽  
Transformer Protection ◽  
Medium Voltage ◽  
Simulation Results

In order to ensure the safe operation of the ship in the medium-voltage grid, transformer protection is particularly important. Using Matlab/Simulink, this paper established transformer and its differential protection simulation model of the medium-voltage ship. To achieve differential protection function, this paper uses the M-file to program the differential protection S-function. The simulation results indicate that the differential protection models can achieve their protection functions and have better quick-acting and stability.

Simulation Design of Transformer Differential Protection Based on Mat Lab

2013 ◽  
Vol 722 ◽  
pp. 282-286
Author(s):  
Hong Hua He
Keyword(s):  
Simulation Model ◽  
Relay Protection ◽  
Fault Current ◽  
Differential Protection ◽  
Protection Device ◽  
Simulation Design ◽  
Transformer Protection ◽  
Internal Fault ◽  
Simulation Results ◽  
Transformer Differential Protection

The microprocessor-relay protection device has gradually replaced regular simulation relay protection it is also difficult to visually determine protection device malfunction or tripping. Therefore, the use of the Mat lab toolbox to build transformer differential protection simulation model, the simulation results show that two-line ratio brake can correctly identify internal fault current, and rapidly remove fault, and the system also can provide convenient for microprocessor transformer protection.

Study on the Steering Performance of Dual-Motor Drive Track Bulldozer

2013 ◽  
Vol 427-429 ◽  
pp. 133-136
Author(s):  
Qiang Song ◽  
Pu Zeng
Keyword(s):  
Simulation Model ◽  
Dynamic Characteristics ◽  
Driving Force ◽  
Driving Forces ◽  
Small Radius ◽  
Motor Drive ◽  
Matlab Simulink ◽  
Simulation Results ◽  
Two Sides

The driving theory and the dynamic characteristics of small radius steering, medium radius steering and big radius steering is analyzed, and the simulation model is established under Matlab/Simulink. Then the track bulldozers steering performance of the three sheerings is simulated. The results show that, at different steering modes, the running states of the two sides driving motors are not the same, and the track driving forces of the two sides vary widely. The track driving force is great in the small radius steering model, while small in the medium and big radius steering models. The simulation results lay the foundation for dual-motor drive track bulldozers steering performance matching.

Simulation Research of Hydraulic Powerplant Mount Based on Matlab/Simulink

2014 ◽  
Vol 494-495 ◽  
pp. 180-183
Author(s):  
Min Yuan ◽  
Chong Chen ◽  
Pin Gan Cui
Keyword(s):  
Mathematical Model ◽  
Simulation Model ◽  
Mechanical Model ◽  
Simulation Research ◽  
Matlab Simulink

Firstly mechanical model of hydraulic powerplant is established. Then mathematical model of hydraulic powerplant mount is established based on the analysis of mechanical model. And the simulation model is established in Matlab/Simulink. The results of simulation are attained by calculation. On the basis of aforementioned results, the analysis is made. Finally, this paper makes a summary and outlook.

Simulation Modelling of a Pulse Frequency-Phase Discriminator

2015 ◽  
Vol 792 ◽  
pp. 95-100 ◽  
Author(s):  
Igor S. Bolgov ◽  
Yuriy N. Dementyev ◽  
Veronika A. Bolgova
Keyword(s):  
Simulation Model ◽  
Simulation Modelling ◽  
Pulse Frequency ◽  
Matlab Simulink ◽  
Application Package ◽  
Simulation Results ◽  
Frequency Phase ◽  
Phase Discriminator

A simulation model of a pulse frequency-phase discriminator (PFPD) in the Matlab Simulink application package was developed. The main PFPD modes simulation and the analysis results were carried out. The simulation results are discussed in this paper.

scholarly journals Investigation of an Induction Wound Rotor Motor to Work as a Synchronous Generator

2019 ◽  
Vol 9 (2) ◽  
pp. 4071-4074
Author(s):  
A. Y. Al-Rawashdeh
Keyword(s):  
Simulation Model ◽  
Diesel Engines ◽  
Synchronous Generator ◽  
Performance Characteristics ◽  
Two Phase ◽  
Matlab Simulink ◽  
Simulation Results ◽  
Load Types ◽  
Dc Current ◽  
Cement Factories

This paper aims at investigating the use of an induction wound rotor motor to generate voltage instead of the old diesel engines that are still used in many factories, like old cement factories, in Jordan. In this investigation, a simulation model of induction wound rotor motor was implemented using Matlab/Simulink. The excitation dc current was connected to a two-phase rotor circuit, and the voltage-current performance characteristics were investigated and evaluated under different load types. The simulation results confirmed the possibility of using the induction wound rotor motor as a synchronous generator.

Modeling and Simulation of PMSM Double-Loop Control System Based on Matlab/Simulink

2014 ◽  
Vol 602-605 ◽  
pp. 983-988
Author(s):  
Wei Liu
Keyword(s):  
Control System ◽  
Simulation Model ◽  
Functional Module ◽  
Double Loop ◽  
Matlab Simulink ◽  
Loop Control ◽  
Dynamic Tracking ◽  
Structures And Properties ◽  
Loop Control System ◽  
Simulation Results

A double-loop control system simulation model is created in Matlab/Simulink based on mathematical model of PMSM, as well, the structures and properties of each functional module are introduced in detail. The simulation results prove that the model was effective and it had good steady-state and dynamic tracking performance. Finally, experiments were carried out to prove the validity of the simulation model in the development of practical engineering.This model provides an effective auxiliary method for theoretical analysis and engineering design of PMSM double-loop control system.

Simulation Research on Hydraulic Support Column System Based on AMESim

2012 ◽  
Vol 229-231 ◽  
pp. 1684-1687
Author(s):  
Jun Zhu ◽  
Feng Yuan ◽  
Hong Xia Wu
Keyword(s):  
Simulation Model ◽  
Working Conditions ◽  
Hydraulic System ◽  
Hydraulic Support ◽  
Simulation Research ◽  
Column System ◽  
Actual Working ◽  
Working Principle ◽  
Simulation Results ◽  
Working Procedure

The working principle and process of the hydraulic support column system is introduced at first. The simulation model of the column system is established in the software of AMESim, and the parameters of the model are set according to the actual working conditions. The simulation curves of each working procedure are obtained, and the simulation results are analyzed. The conclusions will be essential references for the research on the entire support hydraulic system.

Simulation research on the influence of special ships on waterway through capacity for a complex waterway system: a case study for the Port of Meizhou Bay

SIMULATION ◽  
2019 ◽  
Vol 96 (4) ◽  
pp. 387-402 ◽  
Author(s):  
Jianping Shang ◽  
Wenyuan Wang ◽  
Yun Peng ◽  
Qi Tian ◽  
Ying Tang ◽  
...  
Keyword(s):  
Simulation Model ◽  
Challenging Problem ◽  
Simulation Technology ◽  
Natural Conditions ◽  
Simulation Research ◽  
The Real ◽  
System A ◽  
New Construction ◽  
Simulation Results

The study of waterway through capacity for ports is a challenging problem due to the randomness and complexity of the waterway system, which needs to be analyzed by simulation technology. This paper quantitatively studies the influence of special ships on waterway through capacity and provides corresponding measures to improve waterway through capacity. The complex waterway system in the Port of Meizhou Bay is employed as a case study. Considering the actual conditions in the Port of Meizhou Bay, including the ships, berths, waterways, and natural conditions, a Simio-based simulation model is established. The real operation data from the Port of Meizhou Bay in 2015 are used to verify the correctness and effectiveness of the model. The simulation results show that special ships reduce the waterway through capacity by 4.9% and suggest that circumnavigation strategies that can be adopted after the extension and new construction of waterway systems can improve the waterway through capacity by 5.9%.

Modeling and Simulation of Propeller and Hull System for Marine Propulsion Plant

2011 ◽  
Vol 383-390 ◽  
pp. 2121-2125
Author(s):  
Ren Li ◽  
Wen Xiao Zhang ◽  
Hua Yan Li
Keyword(s):  
Modeling And Simulation ◽  
Simulation Model ◽  
Dynamic Properties ◽  
Operating Conditions ◽  
New Method ◽  
Matlab Simulink ◽  
System A ◽  
Marine Propulsion ◽  
Simulation Results ◽  
Mechanical Devices

Aiming at the complexity of mechanical devices and the polytrope of operating conditions for marine propulsion plant, the modeling and simulation of propeller and dull system are investigated based on MATLAB/Simulink. The simulation model of propeller and dull system is constructed in which the Chebyshev fit expression across four quadrants is given for the propeller. So it becomes practical to express static and dynamic properties of propeller and dull system. A luxury cruises fitted on two engines and two fixed pitch propellers is considered to perform simulation tests. The actual navigation conditions of marine propulsion plant, including starting, parking and reversing etc, are taken into account. The simulation results analysis illustrates the correctness and validity of modeling and simulation for propeller and dull system. Thus provides a new method for the optimization and design of marine propulsion plant.

Simulation Model of Manipulator for Model Based Design

2014 ◽  
Vol 611 ◽  
pp. 175-182 ◽  
Author(s):  
Ľubica Miková ◽  
Michal Kelemen ◽  
Ivan Virgala ◽  
Maroš Michna
Keyword(s):  
Mathematical Model ◽  
Mathematical Models ◽  
Simulation Model ◽  
Mechanical System ◽  
Simulation Program ◽  
Lagrange Equations ◽  
Matlab Simulink ◽  
Working Model ◽  
The Subject ◽  
Simulation Results

The subject of creation of simulation and mathematical models is nowadays more and more current and its application is in almost every aspect of life. The article deals with compiling a mathematical model of a pivoting arm using Lagrange equations of the second kind. Subsequently, the model will be created in the simulation program Matlab/Simulink. The simulation model will as well be assembled in the program Adams. The results of these simulations will be compared in the conclusion. This article presents a procedure for resolving a mechanical system from the beginning, from creation of a mathematical model through creation of a simulation model up to evaluation of the simulation results. This paper presents a procedure for resolving mechanical system from the beginning. Thus, it is done by creating a mathematical model through the creation of a simulation model to evaluate the results of the simulation. According to these simulations will produce a working model of the manipulator, which could be used for teaching purposes.

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