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Defining expected cost for the air conditioning to avoid a price spike of electricity market under DSR model 在DSR模型下，确定空调的预期成本，以避免电力市场价格飙升
2013 Australasian Universities Power Engineering Conference (AUPEC) Pub Date : 2013-09-01 DOI: 10.1109/AUPEC.2013.6725366
M. Marwan, G. Ledwich, A. Ghosh
{"title":"Defining expected cost for the air conditioning to avoid a price spike of electricity market under DSR model","authors":"M. Marwan, G. Ledwich, A. Ghosh","doi":"10.1109/AUPEC.2013.6725366","DOIUrl":"https://doi.org/10.1109/AUPEC.2013.6725366","url":null,"abstract":"This work presents a demand side response model (DSR) which assists small electricity consumers, through an aggregator, exposed to the market price to proactively mitigate price and peak impact on the electrical system. The proposed model allows consumers to manage air-conditioning when as a function of possible price spikes. The main contribution of this research is to demonstrate how consumers can minimise the total expected cost by optimising air-conditioning to account for occurrences of a price spike in the electricity market. This model investigates how pre-cooling method can be used to minimise energy costs when there is a substantial risk of an electricity price spike. The model was tested with Queensland electricity market data from the Australian Energy Market Operator and Brisbane temperature data from the Bureau of Statistics during hot days on weekdays in the period 2011 to 2012.","PeriodicalId":121040,"journal":{"name":"2013 Australasian Universities Power Engineering Conference (AUPEC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131061853","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
Preliminary investigation of the viability of Islanded Microgrids in urban environments 城市环境中孤岛微电网可行性的初步调查
2013 Australasian Universities Power Engineering Conference (AUPEC) Pub Date : 2013-09-01 DOI: 10.1109/AUPEC.2013.6725347
M. Lennard, Xinghuo Yu
{"title":"Preliminary investigation of the viability of Islanded Microgrids in urban environments","authors":"M. Lennard, Xinghuo Yu","doi":"10.1109/AUPEC.2013.6725347","DOIUrl":"https://doi.org/10.1109/AUPEC.2013.6725347","url":null,"abstract":"Islanded Microgrids are an effective way to exploit the potential benefits of renewable electrical generation technologies in reducing greenhouse gas emissions within the Australian energy market. Islanded Microgrids need to be economically viable and demonstrate acceptable supply continuity. Analysis and design of such systems requires design optimisation tools tailored to Islanded operations. Using a generic system architecture, basic economic viability and design optimisation tool requirements are examined. Future research questions are identified.","PeriodicalId":121040,"journal":{"name":"2013 Australasian Universities Power Engineering Conference (AUPEC)","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115451375","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
Improving condition monitoring & fault diagnosis strategy for HV motors in coal fired power stations 改进燃煤电站高压电机状态监测与故障诊断策略
2013 Australasian Universities Power Engineering Conference (AUPEC) Pub Date : 2013-09-01 DOI: 10.1109/AUPEC.2013.6725391
Katie Buttery, S. Alahakoon
{"title":"Improving condition monitoring & fault diagnosis strategy for HV motors in coal fired power stations","authors":"Katie Buttery, S. Alahakoon","doi":"10.1109/AUPEC.2013.6725391","DOIUrl":"https://doi.org/10.1109/AUPEC.2013.6725391","url":null,"abstract":"High voltage induction motors at Gladstone Power Station are roughly 30 years old and are a significant asset and critical component to the electricity generation process. Due to the criticality of the high voltage motors in the electricity process, age and environmental conditions the motors are exposed to, how can all the high voltage motors at Gladstone Power Station be maintained and monitored regularly and more effectively particularly between scheduled overhauls is an important issue. This paper outlines the process taken to assess the current condition of the high voltage motors and evaluate the maintenance strategy utilized at Gladstone Power Station. Thermography and thermal imaging was used to assess the current condition of the motors and assess the maintenance strategy utilized. From these result, thermography was recommended to be conducted on a regular basis in coordination with other condition monitoring techniques to monitor and track the condition of the high voltage motors during on-line conditions and in between the four yearly unit overhauls. This will increase proactive and preventative maintenance techniques and ensure Gladstone Power Station are aware of the condition of all of the high voltage motors to further maximize and optimize the stations output and assets.","PeriodicalId":121040,"journal":{"name":"2013 Australasian Universities Power Engineering Conference (AUPEC)","volume":"434 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116405678","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
Contingency Constrained Unit Commitment with Demand Response programs 需求响应计划的应急约束单元承诺
2013 Australasian Universities Power Engineering Conference (AUPEC) Pub Date : 2013-09-01 DOI: 10.1109/AUPEC.2013.6725441
J. Aghaei, K. Muttaqi, M. Alizadeh
{"title":"Contingency Constrained Unit Commitment with Demand Response programs","authors":"J. Aghaei, K. Muttaqi, M. Alizadeh","doi":"10.1109/AUPEC.2013.6725441","DOIUrl":"https://doi.org/10.1109/AUPEC.2013.6725441","url":null,"abstract":"Ancillary Service Demand Response (ASDR) programs, recently introduced by Federal Energy Regulatory Commission (FERC), is integrated to an n-k Contingency Constrained Unit Commitment (CCUC) problem to investigate the capability of the Demand Response Providers (DRPs), newly added ancillary market participants, in mitigating the impacts of simultaneous multiple contingencies in a power system. In the proposed model, an n-k security criterion by which power balance constraint is satisfied under any contingency state comprising simultaneous outages in generation units is investigated in the presence of the ASDR programs. Demand side reserve is supplied by DRPs, which have the responsibility of aggregating and managing customer responses to offer a bid-quantity to the ISO. The proposed formulation is a Mixed Integer Programming (MIP) problem based on primal-dual optimization, reported recently in literature. In addition, a detailed discussion about versatile effects of ASDR programs on n-k security criterion is presented to demonstrate the applicability of the proposed model.","PeriodicalId":121040,"journal":{"name":"2013 Australasian Universities Power Engineering Conference (AUPEC)","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122018130","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
Induced voltage behavior on pipelines due to HV AC interference under broken OHEW 高压交流干扰在断流条件下对管道的感应电压行为
2013 Australasian Universities Power Engineering Conference (AUPEC) Pub Date : 2013-09-01 DOI: 10.1109/AUPEC.2013.6725375
M. Nassereddine, J. Rizk, A. Hellany, M. Nagrial
{"title":"Induced voltage behavior on pipelines due to HV AC interference under broken OHEW","authors":"M. Nassereddine, J. Rizk, A. Hellany, M. Nagrial","doi":"10.1109/AUPEC.2013.6725375","DOIUrl":"https://doi.org/10.1109/AUPEC.2013.6725375","url":null,"abstract":"High voltage infrastructure upgrade is expending due to the growth in populations. To save on easement cost and to reduce the environmental impact of these projects, HV transmission lines occupy the same easement as pipelines in many cases. This joint easement introduces the AC interference between transmission lines and pipelines. The induced voltage can reach a limit which will jeopardize the human safety. The cited research studies the induced voltage under the presence of the OHEW using the shielding factor. The works under this paper study the induced voltage using the OHEW section current along with the superposition theorem. The simulations are compared to the existing research methods. The case study along with the theoretical study discusses the impact of a broken OHEW on the induced voltage using the existing research methods and the proposed method.","PeriodicalId":121040,"journal":{"name":"2013 Australasian Universities Power Engineering Conference (AUPEC)","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116872831","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: 8
Improvement of DFIG-based WECS performance using SMES unit 利用SMES单元改进基于dfig的WECS性能
2013 Australasian Universities Power Engineering Conference (AUPEC) Pub Date : 2013-09-01 DOI: 10.1109/AUPEC.2013.6725380
Mahmoud Y. Khamaira, A. Yunus, A. Abu-Siada
{"title":"Improvement of DFIG-based WECS performance using SMES unit","authors":"Mahmoud Y. Khamaira, A. Yunus, A. Abu-Siada","doi":"10.1109/AUPEC.2013.6725380","DOIUrl":"https://doi.org/10.1109/AUPEC.2013.6725380","url":null,"abstract":"Doubly Fed Induction Generators (DFIGs) are widely used in variable speed wind turbine owing to its superior advantages that include ability to extract more energy from turbine, capability to control active and reactive power independently and the usage of reduced converter rating that reduces its overall cost. The application of DFIG in large wind energy conversion systems (WECS) has reached 55% of the worldwide total wind capacity during the year 2012. On the other side fluctuating output power, weak fault ride through capability and high sensitivity to grid disturbances are the main issues that affect DFIG performance. In this paper, superconducting magnetic energy storage (SMES) unit is proposed to improve the overall performance of a DFIG-based WECS during voltage sag disturbance in the grid side. A new control approach for SMES unit using hysteresis current controller (HCC) along with proportional integral (PI) controller is introduced. Simulations results reveal the effectiveness of the proposed SMES controller in improving the overall performance of the WECS system under study.","PeriodicalId":121040,"journal":{"name":"2013 Australasian Universities Power Engineering Conference (AUPEC)","volume":"2005 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125822697","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: 18
Demand response in Isolated Power Systems 隔离电力系统的需求响应
2013 Australasian Universities Power Engineering Conference (AUPEC) Pub Date : 2013-09-01 DOI: 10.1109/AUPEC.2013.6725443
M. de Groot, J. Forbes, D. Nikolić
{"title":"Demand response in Isolated Power Systems","authors":"M. de Groot, J. Forbes, D. Nikolić","doi":"10.1109/AUPEC.2013.6725443","DOIUrl":"https://doi.org/10.1109/AUPEC.2013.6725443","url":null,"abstract":"Isolated Power Systems (IPS) are stand-alone MW-scale (or even KW-scale) grids. They generally have higher supply costs and are less stable than GW-scale interconnected grids. Demand response (DR) could give a greater cost benefit per unit of delivered power in IPS applications than in larger grids. However, it is also likely to have higher installation and operation costs per unit of DR capacity. We review the most significant issues for DR in IPS, and illustrate the benefits with a current project to install a fine-grained demand management system on King Island in Australia.","PeriodicalId":121040,"journal":{"name":"2013 Australasian Universities Power Engineering Conference (AUPEC)","volume":"5 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128421907","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: 7
Application of rate of change of frequency constraints for high wind penetration scenarios in a small power system 频率变化率约束在小型电力系统高风侵彻情况下的应用
2013 Australasian Universities Power Engineering Conference (AUPEC) Pub Date : 2013-09-01 DOI: 10.1109/AUPEC.2013.6725374
George Ivkovic
{"title":"Application of rate of change of frequency constraints for high wind penetration scenarios in a small power system","authors":"George Ivkovic","doi":"10.1109/AUPEC.2013.6725374","DOIUrl":"https://doi.org/10.1109/AUPEC.2013.6725374","url":null,"abstract":"The Tasmanian transmission network is owned and operated by Transend Networks Pty Ltd and is connected to mainland Australia through the Basslink HVDC interconnector. The increasing amount of non-synchronous generation supplying the Tasmanian load has resulted in the need to re-evaluate network security risks due to the changes in system dynamic behaviour. Following certain network contingencies, rates of change of system frequency may breach particular limits resulting in the loss of generation and/or activation of the existing under frequency load shedding scheme. Appropriate limit advice and constraint equations are required to operate the power system securely. This paper describes the studies and methodology used in constructing limit advice as defined by the boundary conditions of the system.","PeriodicalId":121040,"journal":{"name":"2013 Australasian Universities Power Engineering Conference (AUPEC)","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126958061","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: 5
A systematic method and its near-real time application to analyze the Low Frequency Oscillation based on WAMS 基于WAMS的低频振荡系统分析方法及其近实时应用
2013 Australasian Universities Power Engineering Conference (AUPEC) Pub Date : 2013-09-01 DOI: 10.1109/AUPEC.2013.6725359
Dechang Yang, Wei Tang, Christian Rehatanz, K. Gorner
{"title":"A systematic method and its near-real time application to analyze the Low Frequency Oscillation based on WAMS","authors":"Dechang Yang, Wei Tang, Christian Rehatanz, K. Gorner","doi":"10.1109/AUPEC.2013.6725359","DOIUrl":"https://doi.org/10.1109/AUPEC.2013.6725359","url":null,"abstract":"In this paper, a systematic method is presented to research the Low Frequency Oscillation (LFO) in bulk power system based on the Wide Area Measurement System (WAMS). This method contains two different approaches: the nonlinear analysis method (NAM) and energy analysis method (EAM). The NAM extracts the oscillatory parameters and oscillation mode based on the nonlinear viewpoint of each single measured signal and the EAM analyzes the LFO phenomena from the energy aspect based on the ensemble measurement matrix. Two methods work as a complementary manner and their calculated results check each other. The near-real time application of proposed method is described based on the instantaneous computation ability of NAM and the recursive relationships of the covariance matrix of ensemble measurement matrix. The actual measured data from WAProtector is utilized to evaluate the feasibility and validity of the proposed method.","PeriodicalId":121040,"journal":{"name":"2013 Australasian Universities Power Engineering Conference (AUPEC)","volume":"88 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126958200","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
Control, operation and power sharing among parallel converter-interfaced DERs in a microgrid in the presence of unbalanced and harmonic loads 微电网中不平衡和谐波负载下并联变流器接口分布式电源的控制、运行和功率共享
2013 Australasian Universities Power Engineering Conference (AUPEC) Pub Date : 2013-09-01 DOI: 10.1109/AUPEC.2013.6725382
R. Chandrasena, Farhad Shahnia, S. Rajakaruna, A. Ghosh
{"title":"Control, operation and power sharing among parallel converter-interfaced DERs in a microgrid in the presence of unbalanced and harmonic loads","authors":"R. Chandrasena, Farhad Shahnia, S. Rajakaruna, A. Ghosh","doi":"10.1109/AUPEC.2013.6725382","DOIUrl":"https://doi.org/10.1109/AUPEC.2013.6725382","url":null,"abstract":"This paper demonstrates power management and control of DERs in an autonomous MG. The paper focuses on the control and performance of converter-interfaced DERs in voltage controlled mode. Several case studies are considered for a MG based on the different types of loads supplied by the MG (i.e. balanced three-phase, unbalanced, single-phase and harmonic loads). DERs are controlled by adjusting the voltage magnitude and angle in their converter output through droop control, in a decentralized concept. Based on this control method, DERs can successfully share the total demand of the MG in the presence of any type of loads. This includes proper total power sharing, unbalanced power sharing as well as harmonic power sharing, depending on the load types. The efficacy of the proposed power control, sharing and management among DERs in a microgrid is validated through extensive simulation studies using PSCAD/EMTDC.","PeriodicalId":121040,"journal":{"name":"2013 Australasian Universities Power Engineering Conference (AUPEC)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2013-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130485893","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: 22
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