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# IEEE Transactions on Industry Applications

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Displaying Results 1 - 25 of 30

Publication Year: 1986, Page(s):c1 - 781
| PDF (952 KB)
• ### IEEE Industry Applications Society

Publication Year: 1986, Page(s): c2
| PDF (328 KB)
• ### The Electric Process Heating Committee - Some Perspectives

Publication Year: 1986, Page(s):782 - 783
| PDF (1353 KB)
• ### A High-Frequency Variable-Voltage-Fed Inverter

Publication Year: 1986, Page(s):784 - 789
Cited by:  Papers (1)
| | PDF (2807 KB)

A half-bridge inverter circuit capable of providing a wide range of ac output voltages and frequencies is presented. The inverter uses asymmetrical thyristors (ASCR's), which have the advantages of high-power handling capability, small turn-on and turn-off times, and exhibit the same ruggedness associated with conventional thyristors in regards to surge current and gating requirements. By using AS... View full abstract»

• ### New Method for Reducing Harmonics Involved in Input and Output of Rectifier with Interphase Transformer

Publication Year: 1986, Page(s):790 - 797
Cited by:  Papers (103)
| | PDF (2564 KB)

A new effective method for reducing harmonics involved in input ac line currents or output dc voltage of the thyristor rectifier apparatus with an interphase transformer is proposed. This method is based on the sophisticated utilization of several thyristors inserted in parallel between several taps equipped symmetrically for the midpoint of the interphase transformer and the terminal of the dc ou... View full abstract»

• ### A Fast-Acting Current Limit for a DC Motor Drive

Publication Year: 1986, Page(s):798 - 804
Cited by:  Papers (9)
| | PDF (7001 KB)

The two basic methods of providing current-limit protection for a variable-speed dc motor drive are examined. The most common method, the current regulator, is a two-loop scheme consisting of a current-regulating loop enclosed within a speed-control loop. The alternate method is the interventionist system, which normally operates in the speed-control mode, the current limiter taking control only a... View full abstract»

• ### A Microprocessor-Based Current Controller with an Internal Current-Rate Loop for Motor Drives

Publication Year: 1986, Page(s):805 - 811
Cited by:  Papers (1)  |  Patents (2)
| | PDF (2682 KB)

A new current-control method that is suitable for microprocessor-based speed regulation of motor drives is described. The method achieves fast-response and high-accuracy performance by using a major current loop and an internal current rate loop. The former loop is used to control precisely the mean value of the motor current by employing a current feedback signal obtained from a smoothing filter ... View full abstract»

• ### Microprocessor-Controlled AC-Servo Drives with Synchronous or Induction Motors: Which is Preferable?

Publication Year: 1986, Page(s):812 - 819
Cited by:  Papers (56)
| | PDF (4554 KB)

With the recent advances of power transistors and microprocessors it has become possible to design high-dynamic-performance ac-servo drives free of moving contacts using synchronous or asynchronous motors. Both schemes have their particular strengths. A general control principle, based on field or rotor orientation, is described which has been realized with a state-of-the-art microcomputer, where ... View full abstract»

• ### A New Quick-Response and High-Efficiency Control Strategy of an Induction Motor

Publication Year: 1986, Page(s):820 - 827
Cited by:  Papers (1650)  |  Patents (12)
| | PDF (4237 KB)

New quick-response and high-efficiency control of an induction motor, which is quite different from that of the field-oriented control is proposed. The most obvious differences between the two are as follows. 1) The proposed scheme is based on limit cycle control of both flux and torque using optimum PWM output voltage; a switching table is employed for selecting the optimum inverter output voltag... View full abstract»

• ### Optimum PWM Waveforms of an Inverter for Decreasing Acoustic Noise of an Induction Motor

Publication Year: 1986, Page(s):828 - 834
Cited by:  Papers (40)
| | PDF (3408 KB)

Pulsewidth modulation (PWM) waveforms for decreasing the acoustic noise of an induction motor are presented and relate to earlier work concerning the loss of minimum PWM waveforms. The proposed control scheme combines merits of PWM control with those of pulse amplitude modulation (PAM) control to achieve silent operation of the induction motor. Calculation of the optimum PWM waveforms is complicat... View full abstract»

• ### An Equivalent-Circuit Model for Phase-Back Voltage Control of AC Machines

Publication Year: 1986, Page(s):835 - 841
Cited by:  Papers (13)  |  Patents (1)
| | PDF (2119 KB)

The use of a simple series reactance model to represent the fundamental-component behavior of phase-back silicon-controlled rectifier (SCR) or silicon bidirectional thyristor (Triac) switches controlling an ac machine is explored. A conceptual model of the phase-back switch as a harmonic power converter is developed to explain the reactance model and its limitations. Several sample applications, w... View full abstract»

• ### AC Drives in Traction Applications

Publication Year: 1986, Page(s):842 - 846
| | PDF (5944 KB)

DC motors and drives have previously been the choice for traction applications. The desire to use an induction motor in similar applications has been unfulfilled due to the absence of a suitable ac drive controller that could fully exploit the economical, rugged, and simple ac induction motor. AC drives using vector-control techniques are available to gain the high-performance operation in precise... View full abstract»

• ### Low-Speed Drive of PWM-VSI-Fed Brushless Self-Excited Synchronous Motor

Publication Year: 1986, Page(s):847 - 852
Cited by:  Papers (12)
| | PDF (2456 KB)

The brushless self-excited synchronous motor with halfwave rectified field circuits has been invented already by Nonaka. For the low-speed drive of the motor a new method of the voltage supply which superimposes a higher-order harmonic component on sinusoidal low-frequency voltage by a pulsewidth modulated (PWM) GTO inverter is presented. The amplitude and frequency of the fundamental component an... View full abstract»

• ### Analysis of Instability in Electrical Machines

Publication Year: 1986, Page(s):853 - 864
Cited by:  Papers (32)  |  Patents (1)
| | PDF (4130 KB)

While there exist numerous studies of electromechanical instabilities of specific electrical machines in constant or periodic speed operation, a broader perspective is not commonly offered. In contrast, a general machine model is used here to present essential and common features of these stability analyses. Fundamental issues are illuminated at this level of generality before specialization to th... View full abstract»

• ### Design of Linear Induction Drives by Field Analysis and Finite-Element Techniques

Publication Year: 1986, Page(s):865 - 873
Cited by:  Papers (21)  |  Patents (1)
| | PDF (4296 KB)

Two-dimensional field and finite-element analyses are complementary in evaluating the performance of single-sided linear induction machines, and can be used to develop a machine design for a given drive application. Electromagnetic analysis leads to an equivalent circuit of the machine with speed-and frequency-dependent parameters, in which top cap geometry, core hysteresis and saturation, skin ef... View full abstract»

• ### Discussion of The Effect of Back Corona in a Laboratory Scale Electrostatic Precipitator''

Publication Year: 1986, Page(s): 874
| PDF (160 KB)
• ### A Mathematical Analysis of the Glow and Dark Space Regions in Positive Corona

Publication Year: 1986, Page(s):875 - 879
Cited by:  Papers (2)
| | PDF (2005 KB)

The authors present a mathematical analysis of the electric field, current density, and charge density in the entire airgap in positive dc corona in cylindrical geometry. The currents are found using the Townsend breakdown theory and the Sarma empirical equation for the ionization coefficient in air. Since the ionization coefficient is a function of the local field intensity and the electric field... View full abstract»

• ### Numerical Simulation of Three-Dimensional Tuft Corona and Electrohydrodynamics

Publication Year: 1986, Page(s):880 - 885
Cited by:  Papers (24)
| | PDF (3339 KB)

The importance of high-voltage and low-current operation in the wire-duct precipitator has focused attention on collecting high-resistivity dust. The local current density of individual tufts is considerably higher even at a low average current level and therefore could contribute to both the formation of back corona in the collected-dust layer and the generation of the secondary flow. Numerical s... View full abstract»

• ### High-Efficiency Ozonizer Using Traveling Wave Pulse Voltage

Publication Year: 1986, Page(s):886 - 891
Cited by:  Papers (19)
| | PDF (3399 KB)

The energy yield of ozone generation can be raised substantially by using a fast-rising narrow pulse voltage in combination with a transmission-line type ozonizer. The pulse voltage proceeds in the form of a traveling wave to produce very active coronas. Both wire-to-cylinder type ozonizers and parallel-strip-line-with-insulator type ozonizers are tested. The former produces streamer coronas along... View full abstract»

• ### Analysis of the Instability of Evaporating Charged Liquid Drops

Publication Year: 1986, Page(s):892 - 896
Cited by:  Papers (12)
| | PDF (2266 KB)

The Rayleigh stability limit for charged liquid droplets was recently analyzed by Roth and Kelly for a multisibling breakup based upon the condition of system energy balance. In the present study a further mathematical model for a single-sibling disintegration has been developed to predict the final state for a given drop charged to the Rayleigh limit with known surface tension and initial size. T... View full abstract»

• ### Three-Electrode Organic-Type G.M. Counter Design and Performance

Publication Year: 1986, Page(s):897 - 900
Cited by:  Papers (1)
| | PDF (1629 KB)

The sensitivity of the organic-type G.M. tube is increased by introducing a third electrode (grid) between the cylindrical steel cathode and a concentric tungsten wire anode and applying positive potential to that grid. The optimum position of the grid inside the cathode corresponding to the minimum capacitance of the counter is determined by using the simulation technique. Plateau curves of this ... View full abstract»

• ### Electrical Power Supply and Controls for a Remotely Operated Glass Melter for Nuclear Waste

Publication Year: 1986, Page(s):901 - 905
| | PDF (2094 KB)

An electrical power supply and the controls and instruments used for a joule-heated glass melter for nuclear waste are discussed. Remotely replaceable interconnection wiring assemblies for the power, controls, and instruments are also described. View full abstract»

• ### A New and Accurate Modeling Technique for Glass Resistance in Multiphase Multielectrode Glass Furnaces

Publication Year: 1986, Page(s):906 - 911
Cited by:  Papers (1)
| | PDF (2165 KB)

One of the design elements involved in sizing the electrical power equipment for glass furnaces is the determination of the glass resistances between the operating electrodes. All methods used for this purpose to date are approximate and are based on a simple model considering the resistance between only two electrodes at the time. This paper presents a technique to develop a resistance model for ... View full abstract»

• ### A Three-Dimensional Mathematical Model for Flow and Heat Transfer in Electrical Glass Furnaces

Publication Year: 1986, Page(s):912 - 921
Cited by:  Papers (12)
| | PDF (3048 KB)

A three-dimensional mathematical model was developed for calculating joule heat release, glass flow, and heat transfer in electric glass furnaces. The model developed here allows for multiple electrodes, multiphase firing, and for the feeding and withdrawal of molten glass. The model is fairly general with respect to the arrangement of the electrodes, the firing pattern, and the choice of the boun... View full abstract»

• ### Three-Dimensional Numerical Simulation of Circulation and Heat Transfer in an Electrically Boosted Glass Melting Tank

Publication Year: 1986, Page(s):922 - 933
Cited by:  Papers (11)
| | PDF (3387 KB)

A three-dimensional numerical methodology to simulate the effect of electric boosting on glassmelt circulation and heat transfer in a glass melting furnace is presented. Due to a small, characteristic Hartmann number, the ponderomotive forces in the momentum equation were neglected. The voltage and electric current fields within the melt were determined by solving real and imaginary parts of the e... View full abstract»

## 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

## Meet Our Editors

Editor-in-Chief
Thomas A. Nondahl
t.nondahl@ieee.org