2019 AEIT HVDC International Conference (AEIT HVDC)最新文献_第2页

Transient Overvoltage Analysis in HVDC MMC Power Cables: Assessment of the Critical Points 高压直流MMC电力电缆暂态过电压分析:临界点的评估

2019 AEIT HVDC International Conference (AEIT HVDC) Pub Date : 2019-05-01 DOI: 10.1109/AEIT-HVDC.2019.8740388

R. Benato, A. Chiarelli, S. Sessa

{"title":"Transient Overvoltage Analysis in HVDC MMC Power Cables: Assessment of the Critical Points","authors":"R. Benato, A. Chiarelli, S. Sessa","doi":"10.1109/AEIT-HVDC.2019.8740388","DOIUrl":"https://doi.org/10.1109/AEIT-HVDC.2019.8740388","url":null,"abstract":"The current scenario of continuous and increasing production of energy from renewable sources and the progressive increase of interties between different countries, gives the high voltage direct current transmission lines (HVDC) a role of present and future protagonist in the electrical power transmission. One of the main issues concerning the HVDC systems is the effect of the transient overvoltages (TOV) which occur during fault conditions on the DC side of a HVDC link. In fact, even if power cables are tested in order to withstand overvoltages with standardized characteristics, the real TOV phenomena do not have standard features. In this paper, the analysis of the TOVs of a HVDC symmetrical monopolar configuration is carried out, by studying the TOV propagation along the cable line and by defining step by step the overvoltage trend for different fault sections. Moreover, by means of a probability study, the most stressed points along the cable are identified by taking into account all the possible fault positions, so to highlight which are the more critical positions of the cable system irrespective of the fault section.","PeriodicalId":186931,"journal":{"name":"2019 AEIT HVDC International Conference (AEIT HVDC)","volume":"146 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129072701","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: 3

The restoration field tests in Sardinian network involving HVDC, synchronous condensers and hydraulic power plant 在撒丁岛电网进行了涉及高压直流、同步冷凝器和水力发电厂的修复现场试验

2019 AEIT HVDC International Conference (AEIT HVDC) Pub Date : 2019-05-01 DOI: 10.1109/AEIT-HVDC.2019.8740466

L. Michi, E. Carlini, T. B. Scirocco, G. Bruno, R. Gnudi, C. Pisani, M. Salvetti, D. Macalli

引用次数: 0

Possible technical solutions for the new Sardinia-Corsica-Italy link 新撒丁岛-科西嘉岛-意大利铁路可能的技术解决方案

2019 AEIT HVDC International Conference (AEIT HVDC) Pub Date : 2019-05-01 DOI: 10.1109/AEIT-HVDC.2019.8740649

F. Gatta, A. Geri, S. Lauria, M. Maccioni, L. Buono, M. Marzinotto, F. Palone, M. Rebolini

引用次数: 3

System dynamic behaviour challenges: operating experience and future trends 系统动态行为挑战:运行经验和未来趋势

2019 AEIT HVDC International Conference (AEIT HVDC) Pub Date : 2019-05-01 DOI: 10.1109/AEIT-HVDC.2019.8740652

L. Michi, E. Carlini, G. Donnini, G. Giannuzzi, M. Renieri, R. Zaottini, C. Pisani, B. Aluisio, A. Urbanelli, C. Vergine

引用次数: 1

Impact of SA.CO.I. refurbishment: flexibility analysis of the Sardinian system sa . co .的影响翻新:撒丁岛系统的灵活性分析

2019 AEIT HVDC International Conference (AEIT HVDC) Pub Date : 2019-05-01 DOI: 10.1109/AEIT-HVDC.2019.8740396

A. Iaria, R. Calisti, A. L'Abbate, M. Rapizza

引用次数: 1

Availability Assessment Methods for HVDC Systems: a Review 高压直流输电系统可用性评估方法综述

2019 AEIT HVDC International Conference (AEIT HVDC) Pub Date : 2019-05-01 DOI: 10.1109/AEIT-HVDC.2019.8740550

S. Sessa, A. Chiarelli, A. L'Abbate, R. Benato

引用次数: 3

Capacitor Voltage Ripple Minimization in Voltage Source Converter for HVDC Applications 高压直流电压源变换器中电容器电压纹波的最小化

2019 AEIT HVDC International Conference (AEIT HVDC) Pub Date : 2019-05-01 DOI: 10.1109/AEIT-HVDC.2019.8740647

M. Marchesoni, M. Passalacqua, L. Vaccaro, M. Carpita, S. Gavin, S. Kissling

引用次数: 4

HVDC for frequency stability under RES penetration: the Sardinia island case 可再生能源渗透下的高压直流频率稳定性:撒丁岛案例

2019 AEIT HVDC International Conference (AEIT HVDC) Pub Date : 2019-05-01 DOI: 10.1109/AEIT-HVDC.2019.8740577

C. Mosca, E. Bompard, B. Aluisio, M. Migliori, C. Vergine, P. Cuccia

{"title":"HVDC for frequency stability under RES penetration: the Sardinia island case","authors":"C. Mosca, E. Bompard, B. Aluisio, M. Migliori, C. Vergine, P. Cuccia","doi":"10.1109/AEIT-HVDC.2019.8740577","DOIUrl":"https://doi.org/10.1109/AEIT-HVDC.2019.8740577","url":null,"abstract":"High Voltage Direct Current (HVDC) transmission has been increasingly deployed in modern power systems, over long distances in asynchronous interconnections and offshore wind integration, due to lower investment costs, lower losses and higher controllability. Nevertheless, they cannot provide inherently inertia and frequency support, without the adoption of appropriate control strategies. With the increase of renewable generation interfaced by power electronics and the gradual phaseout of conventional power plants, frequency stability management is becoming a great challenge, particularly in small size islanded and asynchronously interconnected power systems. In this paper, we investigate the possibility of controlling a HVDC to support frequency stability providing primary regulation in future scenarios. We present and discuss the opportunities provided by a HVDC, using an aggregate generation-load model, to the frequency regulation of the Sardinia island in Italy also in the light of the trilateral interconnection between Sardinia, Sicily and Italian Peninsula. Simulations show that the HVDC can assure the frequency stability of the Sardinian power system, if primary control strategies are deployed.","PeriodicalId":186931,"journal":{"name":"2019 AEIT HVDC International Conference (AEIT HVDC)","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130720270","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

Renewable sources integration using HVDC in parallel to AC traditional system: the Adriatic project 利用高压直流并联交流传统系统的可再生能源整合:亚得里亚海项目

2019 AEIT HVDC International Conference (AEIT HVDC) Pub Date : 2019-05-01 DOI: 10.1109/AEIT-HVDC.2019.8740556

M. Migliori, S. Lauria, L. Michi, G. Donnini, B. Aluisio, C. Vergine

引用次数: 6

HVDC links at increased voltage, CESI experience on extruded cable systems up to 525kV 高压直流链路在增加电压，CESI经验挤压电缆系统高达525kV

2019 AEIT HVDC International Conference (AEIT HVDC) Pub Date : 2019-05-01 DOI: 10.1109/AEIT-HVDC.2019.8740439

U. Vercellotti

{"title":"HVDC links at increased voltage, CESI experience on extruded cable systems up to 525kV","authors":"U. Vercellotti","doi":"10.1109/AEIT-HVDC.2019.8740439","DOIUrl":"https://doi.org/10.1109/AEIT-HVDC.2019.8740439","url":null,"abstract":"The World energy consumption and the power generation to match it are set to continue to rise for the foreseeable future. Unfortunately, the bulk of the Energy resources needed to satisfy rising demands are not located near the load centers. For submarine and lengthy land cables, HVDC systems offer key advantages including higher capacity, reduced losses, no need for capacitive charging currents and better control over both load flow and reactive power transmission. A number of interconnections from mainland to islands and long undersea applications have been realized to allow different types of energy sources to connect together to boost security of supply. In EU, Projects of common interest (PCIs) were introduced as key infrastructure projects, especially cross-border projects, that link EU energy systems. Germany, with its central location in EU and increasing electricity demand, is expected to promote interconnections between neighboring countries, thereby supporting the growth of worldwide's HVDC cables market. In particular the German Transmission System Operators (GTSO), in the frame of the Energiewende, are now looking for the first set of cable manufacturers able to supply at least 3000km of 525 kVdc extruded cables systems CESI is deeply involved in this process with 4 cables lines under tests in the first third party worldwide laboratory in Mannheim, Germany. This paper highlights the experience gained during the first Long Duration Tests (PQT) performed in both lab and outdoor situations on 525kV DC cable systems.","PeriodicalId":186931,"journal":{"name":"2019 AEIT HVDC International Conference (AEIT HVDC)","volume":"93 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123543825","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: 3