Conferences related to Wattmeters

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2020 IEEE International Instrumentation and Measurement Technology Conference (I2MTC)

The Conference focuses on all aspects of instrumentation and measurement science andtechnology research development and applications. The list of program topics includes but isnot limited to: Measurement Science & Education, Measurement Systems, Measurement DataAcquisition, Measurements of Physical Quantities, and Measurement Applications.


2019 IEEE 28th International Symposium on Industrial Electronics (ISIE)

The conference will provide a forum for discussions and presentations of advancements inknowledge, new methods and technologies relevant to industrial electronics, along with their applications and future developments.


2018 13th IEEE Conference on Industrial Electronics and Applications (ICIEA)

Industrial Informatics, Computational Intelligence, Control and Systems, Cyber-physicalSystems, Energy and Environment, Mechatronics, Power Electronics, Signal and InformationProcessing, Network and Communication Technologies


2018 Conference on Precision Electromagnetic Measurements (CPEM 2018)

CPEM is the most important scientific and technological conference in the domain of electromagnetic measurements at the highest accuracy levels. This conference covers the frequency range from DC to the optical region.2018 is expected to be a watershed year in the history of the international system of units (SI), with the adoption of the new definitions for the kilogram, the ampere, the kelvin and the mole. All the SI units will then be based on a set of seven defining constants. CPEM 2018 will provide a privileged opportunity to mark this milestone of the SI through a natural focus on quantum devices that relate electrical measurement standards to fundamental constants of physics. CPEM 2018 will also be the place to share knowledge on research in electromagnetic metrology focused on present and future challenges regarding industry and society in sectors such as Energy, ICT, quantum engineering, Industry 4.0, etc.


2018 IEEE International Telecommunications Energy Conference (INTELEC)

International Conference on Power and Energy systems for Information, Communications and Telecommunications Networks


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Periodicals related to Wattmeters

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Applied Superconductivity, IEEE Transactions on

Contains articles on the applications and other relevant technology. Electronic applications include analog and digital circuits employing thin films and active devices such as Josephson junctions. Power applications include magnet design as well asmotors, generators, and power transmission


Education, IEEE Transactions on

Educational methods, technology, and programs; history of technology; impact of evolving research on education.


Electron Devices, IEEE Transactions on

Publishes original and significant contributions relating to the theory, design, performance and reliability of electron devices, including optoelectronics devices, nanoscale devices, solid-state devices, integrated electronic devices, energy sources, power devices, displays, sensors, electro-mechanical devices, quantum devices and electron tubes.


Industrial Electronics, IEEE Transactions on

Theory and applications of industrial electronics and control instrumentation science and engineering, including microprocessor control systems, high-power controls, process control, programmable controllers, numerical and program control systems, flow meters, and identification systems.


Industry Applications Magazine, IEEE

This magazine publishes articles concerning technical subjects and professional activities that are within the scope of IAS and are of interest to society members. The information includes but is not limited to articles, product reviews, book reviews, new standards, education information, announcements of conferences, workshops, new publications, committee meetings and reports of IAS activities.


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Xplore Articles related to Wattmeters

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Discussion on “three-phase power-factor.” Atlantic city, N. J., June 30, 1908

Proceedings of the American Institute of Electrical Engineers, 1908

Comfort A. Adams: I think that at least a part of Mr. Burt's demonstration may be rendered less mathematical to the advantage of one's physical conception of the problem. I refer to that part leading up to equation (34) which is the algebraic statement of the validity of the ordinary method of measuring three- phase power by means of two ...


Economy of car operation

Proceedings of the American Institute of Electrical Engineers, 1910

The object of this paper is to show quantitatively the value of coasting in terms of change in average speed, and running time, and also to make special references to the value of antifriction bearings.


Method of testing transformer core losses, giving sine-wave results on commercial circuits

Proceedings of the American Institute of Electrical Engineers, 1909

It is well known that if the wave-shape or the frequency varies from the normal, the loss in a transformer core at normal voltage varies also. It is obvious, however, that the normal loss, that is, the loss with the sine-wave shape and the normal frequency of, say, 60 cycles, can be obtained under the abnormal conditions of wave shape ...


Commercial testing of sheet iron for hysteresis loss

Proceedings of the American Institute of Electrical Engineers, 1911

The desirability of being able to determine quickly and with reasonable accuracy and cost the hysteresis and eddy losses in sheet iron for use in transformers and other alternating current apparatus is fully appreciated and need not be discussed. The arrangements that have been devised by various workers along this line, some of which have been described,∗ evince the fact ...


High voltage measurements at Niagara

Proceedings of the American Institute of Electrical Engineers, 1908

In the autumn of 1896, the writer of this paper undertook an investigation of the phenomena existing when transmission line conductors are subjected to high alternating voltages. The work was carried on near Telluride, Colorado, and extended over a period of about a year. The results of this work were embodied in a report made by the writer in 1897.


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  • Discussion on “three-phase power-factor.” Atlantic city, N. J., June 30, 1908

    Comfort A. Adams: I think that at least a part of Mr. Burt's demonstration may be rendered less mathematical to the advantage of one's physical conception of the problem. I refer to that part leading up to equation (34) which is the algebraic statement of the validity of the ordinary method of measuring three- phase power by means of two wattmeters.

  • Economy of car operation

    The object of this paper is to show quantitatively the value of coasting in terms of change in average speed, and running time, and also to make special references to the value of antifriction bearings.

  • Method of testing transformer core losses, giving sine-wave results on commercial circuits

    It is well known that if the wave-shape or the frequency varies from the normal, the loss in a transformer core at normal voltage varies also. It is obvious, however, that the normal loss, that is, the loss with the sine-wave shape and the normal frequency of, say, 60 cycles, can be obtained under the abnormal conditions of wave shape and frequency by either raising or lowering the voltage. What is needed then, is an indicator which will enable the voltage to be so adjusted that the loss in a transfomer core as measured upon an ordinary wattmeter will be the same as it would be at normal voltage on a circuit having a sine-wave shape of normal frequency.

  • Commercial testing of sheet iron for hysteresis loss

    The desirability of being able to determine quickly and with reasonable accuracy and cost the hysteresis and eddy losses in sheet iron for use in transformers and other alternating current apparatus is fully appreciated and need not be discussed. The arrangements that have been devised by various workers along this line, some of which have been described,∗ evince the fact that the subject has received much attention from time to time and that the methods of testing samples by means of ballistic galvanometer or by wattmeter test on complete apparatus are not entirely satisfactory.

  • High voltage measurements at Niagara

    In the autumn of 1896, the writer of this paper undertook an investigation of the phenomena existing when transmission line conductors are subjected to high alternating voltages. The work was carried on near Telluride, Colorado, and extended over a period of about a year. The results of this work were embodied in a report made by the writer in 1897.

  • A precision rotating standard for the measurement of kilowatt-hours

    THE accuracy with which electrical energy is metered is dependent upon the apparent measured value of the kilowatt-hour used. Quite independent of the electrical operating characteristics of the watt-hour meters used or the accuracy limits within which they are adjusted, the average accuracy of a group of watt-hour meters is directly affected by the difference between the value of the kilowatt-hour used and the true value.

  • Some notes on polyphase metering

    During the summer of 1904 a series of tests was carried on for an operating company for the purpose of determining the most satisfactory method of metering the power delivered to certain consumers whose demands ranged from 200 to 1000 kilowatts. The aim was to determine, as far as possible, the nature and probable extent of the errors that occur in the established available methods of polyphase metering, and to find which of these methods would be on the whole the best to use for the given work — regarding as best that system in which errors are not only least liable to occur, but also in which, if they do occur, their presence can be most quickly and readily detected.

  • Discussion on “effect of temperature on the hysteresis loss on sheet steel”, “commercial testing of sheet iron for hysteresis”, New York, April 14, 1911. (see proceedings for April, 1911)

    None

  • The current transformer

    The current transformer, although mentioned but briefly in electrical literature, is one of the most indispensable of meter auxiliaries. By means of it currents of any magnitude may be measured with accuracy with the smallest of instruments. It enables us to use ammeters and wattmeters in circuits of the highest voltages. By the use of current transformers of different ratios we can use meters of the same size and capacity in circuits of widely varying power and voltage, thereby greatly facilitating the calibration and maintenance of the instruments.

  • A method of determining the correctness of polyphase wattmeter connections

    The object of this paper is to describe a method of checking the correctness of the connections of a polyphase watt-hour meter on a three-phase circuit; and to show that the methods most commonly used for this purpose are unreliable. Polyphase wattmeters are classified according to the number of their voltage terminals and expressions giving the amount of energy theoretically registered by the meter are derived for all possible arrangements of the connections for each class. The correctness of these expressions was checked experimentally. The expressions are given in the form of tables. A study of these tables reveals the fact that the methods of checking the connections in most common use are unreliable. A method is developed which may be relied upon to check the correctness of the meter connections on a balanced three-phase circuit at any power factor. Rules are worked out from this method, that make the rectification of incorrect connections simple. In addition to this, another method is described which may be used on balanced or unbalanced three-phase circuits atany power factor, provided the opening of one phase at a time is permissible.



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