SAE International Journal of Passenger Cars-Electronic and Electrical Systems最新文献_第5页

An Overview of Methods of Reduction of Vibration for Diesel Generators 柴油发电机组减振方法综述

SAE International Journal of Passenger Cars-Electronic and Electrical Systems Pub Date : 2019-01-01 DOI: 10.4172/2332-0796.1000296

Adeoye Os, Adebayo Aa, A. Olofinjana, Tafa Ak

{"title":"An Overview of Methods of Reduction of Vibration for Diesel Generators","authors":"Adeoye Os, Adebayo Aa, A. Olofinjana, Tafa Ak","doi":"10.4172/2332-0796.1000296","DOIUrl":"https://doi.org/10.4172/2332-0796.1000296","url":null,"abstract":"Mechanoelectrical devices will always vibrate because of several moving parts incorporated within them. When they are in operation, these machines usually have oscillatory motions around an equilibrium point. For generating sets, vibration is from the engines to the metal frame because vibration travels through mediums. Accelerometers are used to measure vibration when mounted on the generator frame where the vibratory motion is been converted into electrical signal with the use of piezoelectric accelerometer. The versatile uses of electronics make it easy to measure and analyse electrical signal. The accelerometers usually mounted perpendicular and concentric to the shaft of the rotating engine in the vertical and horizontal position. Mechanical vibrations are present in different degrees. Some vibrations are desirable, they perform useful work. Vibration is generated intentionally in component feeder, concrete compactor, eccentric grinders, ultrasonic clearing baths, rock drills and pile drivers. Excessive vibration in equipment can not only damage the equipment itself but also decrease functionality and they can cause destruction of power delivery. Minimizing vibration of generating set can both reduce the transfer of energy to building surrounding, generator equipment/component and human. This leads to longer life for generator. The rate of vibration and cost are the most important consideration before a designer can decide the methods that can effectively minimize the transmission of vibratory motion. Vibration can become a noise source. The paper discusses isolation as a means of preventing vibration from the system and damping as a means of absorbing of vibration energy from the system. Methods of reducing vibration such as elastomeric isolations, spring isolators and accelerometers are discussed.","PeriodicalId":44634,"journal":{"name":"SAE International Journal of Passenger Cars-Electronic and Electrical Systems","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"83810608","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 1

Research on the GNSS Augmentation System Based on the AIS 基于AIS的GNSS增强系统研究

SAE International Journal of Passenger Cars-Electronic and Electrical Systems Pub Date : 2019-01-01 DOI: 10.4172/2332-0796.1000299

Nguyen Mc, S. Zhang, X. Wang

引用次数: 0

Effects of Distributed Generation on Electrical Power Network and Protection 分布式发电对电网的影响及保护

SAE International Journal of Passenger Cars-Electronic and Electrical Systems Pub Date : 2019-01-01 DOI: 10.4172/2332-0796.1000293

S. Jhansi

{"title":"Effects of Distributed Generation on Electrical Power Network and Protection","authors":"S. Jhansi","doi":"10.4172/2332-0796.1000293","DOIUrl":"https://doi.org/10.4172/2332-0796.1000293","url":null,"abstract":"The energy consumption increases day by day. To meet this need, we need to increase the generation of energy. Due to this growing demand, non-renewable energy sources come into play. One of these solutions is to connect dg to the electrical network. These distribution networks are usually connected to a low voltage network. The trend of the unidirectional force flow has gradually changed. The power supply connected to the electrical network is a bidirectional current flow system. The additional energy is returned to the network. The reliability has been improved. The introduction of the DG into the conventional power supply system poses several challenges, such as: higher short circuit levels, higher load losses, lower energy quality, voltage transients, voltage stability problems, coordination problems of the voltage regulation and protection, and the protection of the system may not work properly, and due to the bidirectional power flows of the DGs, there is a lower contribution of residual current from the DGs connected to the inverters. This article examines the effects of the penetration of DG into DN and suggests possible solutions to reduce these effects. In addition, traditional protection strategies are reviewed with respect to the Dg connected to the energy system.","PeriodicalId":44634,"journal":{"name":"SAE International Journal of Passenger Cars-Electronic and Electrical Systems","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"80771094","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 4

Review Paper on Vehicle to Vehicle Communication for Crash Avoidance System 碰撞避免系统中车对车通信研究综述

SAE International Journal of Passenger Cars-Electronic and Electrical Systems Pub Date : 2019-01-01 DOI: 10.4172/2332-0796.1000295

S. Kavyapriya

{"title":"Review Paper on Vehicle to Vehicle Communication for Crash Avoidance System","authors":"S. Kavyapriya","doi":"10.4172/2332-0796.1000295","DOIUrl":"https://doi.org/10.4172/2332-0796.1000295","url":null,"abstract":"The objective of this paper is to provide a brief description on the proposed technologies to predict the collision between vehicles before the collision. The spectacular increase in traffic increases the demand for innovative technologies that can improve the safety and efficiency of transport systems. Road safety can be significantly improved by the use of wireless communication technologies for vehicle networks, which allows new services such as collision detection traffic management and other communication devices between moving vehicles. This paper presents an implementation of the complete vehicle-vehicle communication based on Li-Fi technology and DSRC technology based on Wi-Fi. The proposed system solves many of the problems faced by existing systems by using a GPS module instead of the conventional speedometer and also uses sensors that are reliable in areas where human intervention is involuntary or life-threatening in danger of extinction. The problems of congestion in the urban arteries increase day by day, and it is very difficult to deal with them in emergencies. Therefore, within the system, a communication unit is developed that interacts with other vehicles to free the lanes. This system aims to communicate with the vehicle in its environment using its location (i.e., using latitude and longitude) to indicate proximity. If these vehicles are in the immediate vicinity, drivers are notified by a message. In this way, drivers can communicate with each other and act according to the situation.","PeriodicalId":44634,"journal":{"name":"SAE International Journal of Passenger Cars-Electronic and Electrical Systems","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"75952439","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 2

Harmonic Distortion Responsibility Attribution between Utility and Specific Low-Tension Costumer - Case Study 电力公司与特定低压用户的谐波失真责任归因-个案研究

SAE International Journal of Passenger Cars-Electronic and Electrical Systems Pub Date : 2019-01-01 DOI: 10.4172/2332-0796.1000297

Lugo Aj

{"title":"Harmonic Distortion Responsibility Attribution between Utility and Specific Low-Tension Costumer - Case Study","authors":"Lugo Aj","doi":"10.4172/2332-0796.1000297","DOIUrl":"https://doi.org/10.4172/2332-0796.1000297","url":null,"abstract":"The Electric Power Quality studies the electromagnetic phenomena that can cause disturbances in the electrical systems, which can be of permanent regime (steady state voltage, power factor, harmonics, voltage unbalance, voltage fluctuation, frequency variation) or transient voltage variations). With the technological advance in the area of power electronics, an increase and diversification of the amount of appliances that need electric energy for its operation is occurring. These devices (non-linear loads) produce distorted (ie non-sinusoidal) current, even when powered by a sinusoidal source, and can also distort the voltage at the connection point with the utility. These distortions are called harmonic distortions of current and voltage and are classified as permanent regime perturbations. As harmonic distortions cause several problems in the various consumers connected to the electrical system, ranging from noises, vibrations and variations in light intensity, shortening the useful life of the appliances, and in the case of the industrial sector, which can lead to a halt to the production process. Due to the importance of the theme, there are rules with limits for these distortions, and this work has as a proposal to investigate computationally a responsibility assignment between a concessionaire and residential consumer of low voltage in the city of Sao Paulo, Brazil, through the network model of the concessionaire and possible electro-electronic equipment We will analyze some methodologies found in the literature, such as the Harmonic Power Method, Conformity and Non-Compliant Current Method and Superposition Method. As simulations, they were done in an ATP Draw environment, where the necessary results were generated for the review of methodologies analyzed, thus verifying, as limitations and potentialities of its own.","PeriodicalId":44634,"journal":{"name":"SAE International Journal of Passenger Cars-Electronic and Electrical Systems","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2019-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"78427268","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Charging Lead-Acid Batteries 给铅酸蓄电池充电

SAE International Journal of Passenger Cars-Electronic and Electrical Systems Pub Date : 2019-01-01 DOI: 10.4172/2332-0796.1000294

N. Rakshana

引用次数: 1

Nonlinear Predictive Control of a Power Parallel Active Filter for Harmonic Compensation 电力并联有源滤波器谐波补偿的非线性预测控制

SAE International Journal of Passenger Cars-Electronic and Electrical Systems Pub Date : 2018-11-15 DOI: 10.4172/2325-9833.1000165

Boum At, Michael Dzp

引用次数: 0

Implementation of an Energy Management in DSPACE for a Fuel Cell -Ultracapacitor Vehicle 燃料电池-超级电容器汽车DSPACE中能量管理的实现

SAE International Journal of Passenger Cars-Electronic and Electrical Systems Pub Date : 2018-11-13 DOI: 10.4172/2325-9833.1000166

A. Mansour, M. Hajer, Bacha Faouzi, Ghouili Jamel

引用次数: 1

Effect of Primary Network on Performance of Spectrum Sharing System over Nakagami-m Fading Channel 主网络对中agami-m衰落信道频谱共享系统性能的影响

SAE International Journal of Passenger Cars-Electronic and Electrical Systems Pub Date : 2018-11-13 DOI: 10.4172/2325-9833.1000167

Fahim Khan, T. Khan, M. Fahad

{"title":"Effect of Primary Network on Performance of Spectrum Sharing System over Nakagami-m Fading Channel","authors":"Fahim Khan, T. Khan, M. Fahad","doi":"10.4172/2325-9833.1000167","DOIUrl":"https://doi.org/10.4172/2325-9833.1000167","url":null,"abstract":"Cognitive radio is an emerging radio technology that can improve the efficiency of the radio spectrum utilization. Cognitive radio senses the vacant space in the radio spectrum by changing its operating parameters and uses the vacant spectrum in an opportunistic way and immediately vacates the spectrum bands once the primary user (PU) is detected. The cognitive radio efficiently uses radio spectrum by operating in both licensed and unlicensed bands and avoids the interference with the licensed or unlicensed users. The PU holds the license for a particular band and has the priority to use the channel. The secondary user (SU) can use the vacant bands as long as they do not affect the PU transmission. However, previous research work has ignored the effect of interference from primary networks on the performance of spectrum sharing system. In this paper, the performance of amplify-and-forward relay networks, where the interference from the primary networks is considered, is studied. We considered the impact of the primary transmitter on the spectrum sharing system in the presence of a Nakagami-m fading channel, where the fading parameter m (m is an integer) can be used to deal with a variety of channel scenarios. A closed-form of Nakagami-m fading channel is derived. Derivation is based on the system model composed by secondary users, primary users and amplify-and-forward relay.","PeriodicalId":44634,"journal":{"name":"SAE International Journal of Passenger Cars-Electronic and Electrical Systems","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2018-11-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"86647517","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Design, Construction and Experimentation of an advanced Biomass Cookstove in Cameroon 喀麦隆先进生物质炉灶的设计、建造和实验

SAE International Journal of Passenger Cars-Electronic and Electrical Systems Pub Date : 2018-11-13 DOI: 10.4172/2325-9833.1000169

Sagouong Jean Michel, Tchuen Ghislain

引用次数: 3