On load tap changers
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The Conference focuses on all aspects of instrumentation and measurement science and technology research, development and applications. The list of program topics includes but is not limited to: Measurement Science & Education, Measurement Systems, Measurement Data Acquisition, Measurements of Physical Quantities, and Measurement Applications.
1. Devices, Packaging and System Integration; 2. Power Converter and Their Control; 3. Power Quality Mitigation; 4. Electric Propulsion System; 5. Renewable Energy and Smart Grid Technology.
Condition monitoring and diagnosis for power equipments and power systems,power plants, dielectric materials and their aging mechanisms, degradation assessment for power system, application of information and communication technologies for condition monitoring and diagnosis, tropical climate and other related issues including recycling, reuse and mitigation,strategic planning and management for condition monitoring and diagnosis.
This conference is directed towards those who develop, test or use electrical insulation in electrical equipment.
2012 International Conference on High Voltage Engineering and Application (ICHVE)
This conference can provide an excellent platform to share knowledge and experiences on high voltage engineering, and present the advices on the construction and maintenance of UHV transmission lines in China.
Research, development, design, application, construction, the installation and operation of apparatus, equipment, structures, materials, and systems for the safe, reliable, and economic delivery and control of electric energy for general industrial, commercial, public, and domestic consumption.
Requirements, planning, analysis, reliability, operation, and economics of electrical generating, transmission, and distribution systems for industrial, commercial, public, and domestic consumption.
Industrial Informatics, 2006 IEEE International Conference on, 2006
The condition monitoring of on-load tap changers is very important because they have proved to be the elements with noticeable failures in a power transformer. This article describes the development of a portable virtual instrument for monitoring this kind of elements. The monitoring task is based in the measurement and analysis of the vibrations that a tap change produces. In ...
Power Engineering Society Summer Meeting, 2000. IEEE, 2000
On-load tap changers (OLTCs) are one of the most problematic components of power transformers. Detecting incipient faults in OLTCs is one of the key challenges facing the power equipment predictive maintenance community. This paper addresses the issue with an artificial intelligence approach, where logistic analysis is used to find the principal gases related to the fault conditions and neural networks ...
Industrial Technology, 2008. ICIT 2008. IEEE International Conference on, 2008
The measure of reactive power optimization of main power network mainly considers on-load tap changer, the optimal capacity of the capacitor, the voltage of generator under the steady load. Reducing active power loss is considered of the main object function. The model of reactive optimization is established based on these. And the penalty function is considered to deal with variables ...
Instrumentation and Measurement Technology Conference Proceedings, 2008. IMTC 2008. IEEE, 2008
On-load Tap Changers (OLTC) are widely used for voltage regulation in electricity networks. A set of electrical contacts (taps) is used to change the transformer input/output ratio as the input voltage varies. Non-invasive acoustic methods for condition monitoring of internal electrical contacts have been recently proposed in the literature. A limitation of these analysis is that there is no information ...
TENCON 2003. Conference on Convergent Technologies for the Asia-Pacific Region, 2003
Distribution automation is being adopted by several utilities to improve their operation. The importance of efficient load shedding algorithms in automated distribution systems has been known for some time. Yet there has been very little work in this area. The paper formulates this problem as a simple graph search problem. A simple and effective algorithm has been developed to determine ...
Colin Oates; Alan Barlow; Victor Levi 2007 European Conference on Power Electronics and Applications, 2007
United Utilities have identified that the introduction of combined heat and power plant (CHP) into a new estate within their LV distribution network will give rise to the possibility of reversal of power flow through the distribution transformer at periods of low loading with consequent rise in line voltage. Since such a voltage might be outside the statutory limits, a ...
G. A. Bakare; G. Krost; G. K. Venayagamoorthy; U. O. Aliyu 2007 International Conference on Intelligent Systems Applications to Power Systems, 2007
This paper presents the comparative application of two metaheuristic approaches: differential evolution (DE) and particle swarm optimization (PSO) to the solution of the reactive power and voltage control problem. Efficient distribution of reactive power in an electric network leads to minimization of the system losses and improvement of the system voltage profile. It can be achieved by varying the excitation ...
R. B. Prada; B. H. T. Seelig; J. O. R. dos Santos; L. A. S. Pilotto; A. Bianco 2003 IEEE Bologna Power Tech Conference Proceedings,, 2003
Voltage stability or voltage security assessment includes network loading and voltage control effectiveness evaluation. Both issues are related to maximum power flows. Assessment indexes based on the linearized power flow equations are quite common. The adequacy and applicability of the indexes depend on the Jacobian matrix. This paper shows how to include LTC voltage control and limits.
Y. Liang; C. O. Nwankpa; R. Fischl; A. DeVito; S. C. Readinger IEEE Transactions on Power Systems, 1998
A new dynamic reactive load model for power system dynamic voltage stability studies is introduced in this paper. The model is measurement-based and incorporates the effect of voltage regulating equipment, specifically, switched distribution capacitor banks and subtransmission substation on-load tap changer transformers. A set of parameters that reflect these delayed- action devices are involved in the proposed model. A parameter ...
Susanne Sugiarto; Syed Islam; Ahmed Abu-Siada TENCON 2009 - 2009 IEEE Region 10 Conference, 2009
Wind energy is considered the most viable proposition among the renewable energy options. Of various Wind Energy Conversion Systems (WECS), fixed speed induction generator based WECS directly connected to the grid is the cheapest and simplest option and has the largest market share. This type of WECS does not require any power electronic interface to allow the grid connection unlike ...
This guide applies to mineral oil used in transformers, load tap changers, voltage regulators, reactors, and circuit breakers. The guide discusses the following: a) Analytical tests and their significance for the evaluation of mineral insulating oil. b) The evaluation of new, unused mineral insulating oil before and after filling into equipment. c) Methods of handling and storage of mineral insulating ...
This guide includes guidelines for the following: insulating oil maintenance and diagnostics, oil reclamation, testing methods for the determination of remaining insulation (paper) life, and upgrades of auxiliary equipment such as bushings, gauges, deenergized tap changers (DETCs), load tap changers (LTCs) (where applicable), and coil reclamping. The goal of this guide is to assist the user in extending the useful ...