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Industry Applications, IEEE Transactions on

Issue 1 • Date Jan. 1973

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Displaying Results 1 - 25 of 25
  • Table of contents

    Publication Year: 1973 , Page(s): c1
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  • IEEE Industry Applications Society

    Publication Year: 1973 , Page(s): c2
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  • New Officers in the Industry Applications Society

    Publication Year: 1973 , Page(s): 1 - 2
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  • New Fellows in the Industry Applications Society

    Publication Year: 1973
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  • A Tribute

    Publication Year: 1973 , Page(s): 4
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  • Some Matters of Concern to Engineers and the Industry Applications Society

    Publication Year: 1973 , Page(s): 5 - 7
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  • Specification, Selection, and Maintenance of Foreign Electrical Equipment

    Publication Year: 1973 , Page(s): 8 - 11
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    General techniques of the three groups required to design, install, and maintain foreign electrical equipment are presented. The goals of the groups, design, construction, and maintenance engineering, for building and operating a plant are compared in reference to obtain the best equipment, installation methods, and minimum downtime problems necessary to produce a quality product at the lowest possible cost. The problems of foreign equipment are of the same type and magnitude as United States equipment. Proper planning by management with engineers and supplemented by an adequate spare parts supply necessary for proper maintenance will provide the necessary technical know-how. View full abstract»

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  • Rolling Mill Reel Drives

    Publication Year: 1973 , Page(s): 12 - 20
    Cited by:  Papers (3)
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    During the past few years there has been significant progress in the technology and hardware available to the electrical engineer. Accordingly, drive capabilities and limitations have changed, justifying a restating of application criteria pertaining to reel drives. As an aid in specifying and utilizing reel drives, this paper discusses application techniques and guides based on today's technology. View full abstract»

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  • Gearless Drive for a Finish-Grind Mill with a Capacity of 160 t/h

    Publication Year: 1973 , Page(s): 21 - 24
    Cited by:  Papers (1)
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    The principle of the gearless drive has already been applied to some large mills. A synchronous motor is ``wrapped'' directly around the mill cylinder and supplied by a thyristor frequency converter at approximately 10-percent system frequency. The drive thus operates at the low mill speed and dispenses with interposed gearing. View full abstract»

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  • Analysis of Some Electrical Drives with Double-Parametric Perturbation

    Publication Year: 1973 , Page(s): 25 - 32
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    This paper examines the dynamic behavior of electrical drives with double-gain parametric perturbations, i.e., one perturbation in the drive and the second in the adaptive controller. A typical variation of the drive gain is assumed, and the influence of the variation of the parameters on the transient processes of the electrical drive is estimated. View full abstract»

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  • Fuse Selection for Power Semiconductor Conversion Equipment

    Publication Year: 1973 , Page(s): 33 - 40
    Cited by:  Papers (1)  |  Patents (1)
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    The proper selection of fuses for use with power semiconductor conversion equipment has taken on greater importance as the size of these equipments has increased and the designs become more sophisticated. Approximately four years ago a working group was formed to study the application and specification of fuses for semiconductor devices and to establish testing procedure, and basis of rating of such fuses. View full abstract»

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  • Determination of autotransformer-capacitor phase converter parameters

    Publication Year: 1973 , Page(s): 41 - 45
    Cited by:  Papers (1)
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    An analytical approach is described for determining the parameters for an autotransformer-capacitor phase converter that allows matching of the converter to a specific motor for a given load. Equations are developed for the capacitor size and autotransformer turns ratio that will give balanced operation of a three-phase motor. Predicted values are compared with the experimental results. View full abstract»

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  • A New Triac Trigger to Optimize Consumer Phase Controls

    Publication Year: 1973 , Page(s): 46 - 49
    Cited by:  Papers (1)
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    The phase control methods of regulating ac power to consumer products is quite common. Households contain these circuits in diverse places from wall lamp dimmers to dad's variable speed electric drill and mom's electric blender. Common to all these controls is the triac, semiconductor ac switch, and the associated trigger circuit which provides the ``brains'' of the control. The trigger, or ``brain'', portion of the phase control circuit commonly utilizes a resistor capacitor network which, in combination with a voltage thresholds switch device, provides a time delay between the beginning of each half-cycle and the time the triac is triggered, i.e., shortens the portion of time power is supplied the appliance. This time delay is programmed by the resistor value, lower resistor values allowing the capacitor to charge faster, and reach the voltage threshold faster, which triggers the triac earlier in the half-cycle and applies power to the appliance for a greater portion of the half-cycle. View full abstract»

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  • High-Force Linear Actuator

    Publication Year: 1973 , Page(s): 50 - 57
    Cited by:  Patents (1)
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    A new type of electrically energized linear actuator has been developed for the appliance industry which offers high-force output from a small inexpensive package. The new linear actuator uses a single solid-state component to control the operation of the device. The actuator's response is noninstantaneous, which allows it to be used in designs where time delay is required or where rapid response is unnecessary. Its size, mounting options, and cost are comparable to a low-cost solenoid. However, the force output of this device exceeds by an order of magnitude or more the force output of a solenoid of the same size. Unlike a solenoid, the actuator's force output does not change with ambient or voltage variations, and its high-force output does not vary over its stroke. When compared with a solenoid of approximately the same force output capability, the actuator operates on less than one-tenth the steady-state power consumption. The actuator can be operated in the push, push-pull, or pull mode. For example, a unit 1 in in diameter and 2 in long, weighing about 1.5 oz can operate against a 12 lb external load over its entire 0.250-in stroke. Because of its unique operating parameters, it can be successfully adapted to applications where solenoids, gear motors, pneumatic actuators, and other conventional actuators will not do the job, or as a low-cost replacement for a high-force actuator. View full abstract»

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  • Solid-State Proportional Temperature Controller

    Publication Year: 1973 , Page(s): 58 - 62
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    A new proportional temperature control circuit that uses a unique thermistor oscillator as the temperature sensing element is discussed. A series connected positive temperature coefficient (PTC) thermistor and negative temperature coefficient (NTC) thermistor form an electrothermal relaxation oscillator. The environmental temperatures which the thermistors experience determine the amplitude and frequency of the oscillator. Coupling the oscillator with a thyristor and using the temperature dependence of the oscillator, proportional temperature control can be achieved. View full abstract»

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  • Electrostatic Precipitators on Clinker Coolers

    Publication Year: 1973 , Page(s): 63 - 68
    Cited by:  Papers (1)
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    The art of using electrofilters on clinker cooler gases has now progressed sufficiently, and enough operating data are available to offer electrofilters as a highly efficient collector capable of meeting the most rigid emission codes. View full abstract»

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  • On-Line Computerized Product Testing

    Publication Year: 1973 , Page(s): 69 - 73
    Cited by:  Papers (1)
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    This paper presents a general review and discussion of the approach and steps taken in performing a feasibility study of online product testing using a process control computer. The problems involved and factors to be considered for this type of project are pointed out. The philosophy and criteria considered in selecting a computer system are discussed along with the authors' experiences in various aspects of overall system capabilities. The capabilities of the developed experimental computerized testing system are also described. View full abstract»

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  • Leakage Current from Appliances

    Publication Year: 1973 , Page(s): 74 - 80
    Cited by:  Papers (2)
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    Leakage current from portable appliances has been limited to 0.5 mA American National Standards Institute (ANSI), Committee C101.1. Typical leakage currents are presented, and the effects of temperature, humidity, grounding, bonding, and circuit conditions on the measured values are discussed. Information on the measurement instrument, its frequency response, input impedance, and sensing characteristics is given. View full abstract»

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  • The Induction Range: Its Performance and Its Development Problems

    Publication Year: 1973 , Page(s): 81 - 85
    Cited by:  Papers (19)  |  Patents (3)
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    Both in its initial concept and in its present form, the induction range has many desirable features when compared to conventional ranges. These are readily demonstrable by its superior thermal response, its convenience, and safety. All these attributes are possible because the use of electromagnetic induction permits the pan to be heated directly without heating the range surface first. View full abstract»

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  • The Protection of Underground Distribution Lines Against Pocket Gopher Damage by Chemical Methods

    Publication Year: 1973 , Page(s): 86 - 91
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    The trend to underground distribution construction provides relief from some causes of service interruption, but in certain areas service interruptions are then possible due to pocket gopher damage. The protection of underground distribution lines against pocket gophers is accomplished by the use of a chemical, termed R-55® Repellent. Water solutions of this chemical are applied to an earth envelope about the installation which provides a repellent barrier to pocket gophers. Applications of the repellent solution are not complicated, especially when a recently developed device is used for plow-in installations. This chemical has been proven effective by controlled field tests, cooperative field trials, and commercial use over a period of years and is approved for use in this application. No significant resistivity or physical changes were noted in tests where water solutions of the repellent were applied on thermoplastic semiconducting insulation shielding. It is recommended as a low-cost effective method for the reduction of service interruptions due to pocket gophers. View full abstract»

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  • Problems and Detection of Line Anchor Corrosion

    Publication Year: 1973 , Page(s): 92 - 97
    Cited by:  Papers (1)
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    For estimating the rates of guy anchor corrosion, four tests are suggested, namely 1) earth resistivity, 2) guy current, 3) grid-to-earth potential, and 4) polarizing current. An analysis of test results will give the degree of corrosion and the form of correction necessary. View full abstract»

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  • Simulation Techniques for Rural Electric Power Systems Planning

    Publication Year: 1973 , Page(s): 98 - 104
    Cited by:  Papers (3)
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    This paper introduces an effective method for rural electrical systems planning. All three-phase, two-phase, and single-phase lines are simulated in one computer study. Typical load flow results are obtained from the study. The method emphasizes simplicity and flexibility. Very little computation time is required. Once the data are prepared the amount of work required to incorporate the changing of the system is small and very inexpensive. This type of flexibility is one of the most important contributions of this new method. The method applies to both long-range and short-term system planning. View full abstract»

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  • Ferroresonance on Rural Distribution Systems

    Publication Year: 1973 , Page(s): 105 - 111
    Cited by:  Papers (9)
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    The conditions under which ferroresonant overvoltages can occur on rural distribution systems are reviewed. A brief description of the phenomenon of ferroresonance is given, and the reasons for the increasingly frequent occurrence of ferroresonance on modern systems are enumerated. Preventive or corrective measures that have been proposed are reviewed and evaluated. A guide for the selection of corrective or preventive measures on rural systems is presented. View full abstract»

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  • Chapter Chairmen

    Publication Year: 1973 , Page(s): 111-a
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  • 1973 IEEE Industry Applications Society Organization and Membership Directory

    Publication Year: 1973 , Page(s): 111-b - xxxiii
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Aims & Scope

The scope of the IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS includes all scope items of the IEEE Industry Applications Society, that is, the advancement of the theory and practice of electrical and electronic engineering in the development, design, manufacture, and application of electrical systems, apparatus, devices, and controls to the processes and equipment of industry and commerce; the promotion of safe, reliable, and economic installations; industry leadership in energy conservation and environmental, health, and safety issues; the creation of voluntary engineering standards and recommended practices; and the professional development of its membership.

Full Aims & Scope

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Editor-in-Chief
Carlton E. Speck