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.
Jauch, E.T. Rural Electric Power Conference (REPC), 2010 IEEE, 2010
This paper focuses on Load Tap Changer (LTC) transformer duties associated with SMART GRID (SG) Integrated Volt/Var/kW Management (IVVM) functions. Implementation of SG technology, with resultant changes in power systems, may cause increased or excessive tapchanger duties. These duties will be affected by a) the integration of renewable energy sources; b) more precise operational voltage control levels for conservation voltage ...
Nimpitiwan, N.; Chaiyabut, N. Power Engineering Conference, 2007. IPEC 2007. International, 2007
Voltage and Var control (VVC) schemes (i.e., centralized and decentralized controls) are discussed. Probabilistic load flow (PLF) method is applied on a real distribution system; the results from Monte Carlo simulations of both control schemes are compared. Models of WC element (on load tap changer, shunt capacitor and automatic voltage regulator of generator) are discussed. Voltage and reactive power in ...
Poza, F.; Mariñ o, P.; Otero, S.; Pastoriza, V. Control, Automation, Robotics and Vision, 2008. ICARCV 2008. 10th International Conference on, 2008
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 ...
Erbrink, J.J.; Gulski, E.; Smit, J.J.; Seitz, P.P.; Leich, R. Condition Monitoring and Diagnosis, 2008. CMD 2008. International Conference on, 2008
It is known that most failure of power transformers are related to aging effects of the on-load tap changer contacts. To understand the aging mechanisms and to develop knowledge rules to interpret different failure mechanisms a test model has been developed. In particular, the effect of the several aging stages of tap changer change-over selector contacts on dynamic resistance measurements ...
Erbrink, J.J.; Gulski, E.; Seitz, P.P.; Leich, R. Electrical Insulation, 2008. ISEI 2008. Conference Record of the 2008 IEEE International Symposium on, 2008
It is known that many failures of power transformers are related to aging effects of the on-load tap changer contacts. This paper discusses the recently developed analysis method for service aged power transformers. In particular, the effect of several aging stages of the tap changer change-over selector contacts on dynamic resistance have been considered. As a result, to assess on-site ...
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 ...