Design of H_∞ for induction motor

Ismael, Ammar Issa; Jumaa, Lafta E.; Khamas, Nisreen

doi:10.11591/ijpeds.v11.i1.pp24-33

Cited by 2 publications

(3 citation statements)

References 23 publications

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“…Mathematical models of controllers, encoded in MATLAB. Modeling and control will be shown by less than one state of resistance [22]. This paper proposes a Direct Torque Control (DTC) fivephase motor drive with reduced torque.…”

Section: Introductionmentioning

confidence: 99%

Induction motor rotor bars type effects towards energy efficiency, economic and environment

Yahya

Rahmat

2020

IJPEDS

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Nowadays, the rotating motor is the most demoralized machine for the global Motor industry. Comfort of practice, start-up, small, weightiness, Increased efficiency, low maintenance and inexpensive for each power rating that generally meets the necessary features for industries. Efficient improvements are inspected with copper for the rotor bars slot. Usually, the copper loss in the induction motor Rotor division contributes to the loss of energy. The research work was planned a new rotor design, by improved rotor bars type slot, size and design. These tasks were inspected using two approaches, in particular, MotorSolve (IM) and calculations in theory. One set of simulation has shown a significant increase in energy efficiency for a new rotor frame design. Calculations in theory are used MATLAB. As a result, these new designs have improved energy efficiency by 77% as compared to its 74% existing design. The results proved to be using MATLAB. For energy, cost savings and emission reduction (ER), new design rotor frame has been saved 154KWH/year, utility bill RM 60.20/Year and 0.113 CO2 tons/years intended for individually motor. Finally, the estimated cost aimed at 100,000 pieces of new rotor bars pattern induction motor and indicates this price was kept almost RM6 million.

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Section: Introductionmentioning

confidence: 99%

Induction motor rotor bars type effects towards energy efficiency, economic and environment

Yahya

Rahmat

2020

IJPEDS

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“…The aim of the work is to develop a software tool for plotting these graphs in one package in one run with the possibility of animating the obtained graphs and issuing a report document, and for different IMs with different (freely extendable) equivalent circuits, that is, taking into account different known physical effects in motors and their peculiarities from different authors. We see quite a lot of such circuits in scientific literature [2]- [20], moreover, for IM, its magnetic part or with consideration of mechanical load, and the probability of their wide application and comparison depends on the ease of use. In this case, it is desirable to obtain an analytical solution, so as not to worry about the magnitude of the error from the application of numerical methods for quite complex circuits, and the causes of the error are attributed to the imprecisely set values of the object parameters.…”

Section: Introductionmentioning

confidence: 99%

“…However, the cited papers did not discuss, set and solve the problem of calculating the whole family of characteristics for different IMs, as it was done in our paper. Thus, the papers [2]- [7], [8]- [13], [14]- [20] only show the existence and reality of the problem of obtaining an extensive family of IM characteristics, based on the variety of their equivalent circuits.…”

Section: Introductionmentioning

confidence: 99%

Analytical transformations software for stationary modes of induction motors and electric drives

Qawaqzeh

Miroshnyk²,

Osichev

et al. 2022

IJECE

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A program was developed in the package of symbolic transformations Maple. It provides automatic analytical transformation and derivation of formulas and plotting of the main characteristics of induction motors (IM) in a convenient form for an electrical engineer and student: torque=f(slip) T=f(s), angular speed=f(Torque) ω=f(T), angular speed=f(Current) ω=f(I), current=f(slip) I=f(s); cos(φ) and phase angle (phi) φ for stator currents and rotor currents, and magnetizing circuit, machine efficiency η=f(s) and a number of other characteristics. The calculation is based on the equivalent circuit of IM motors in its different variants: with one cage in the rotor, with two or more cages in the rotor, taking into account the skin effect in the rotor rods and without it. The user can build up the equivalent circuit to the desired configuration. The algorithm of further transformations is based on analytical obtaining of amplitude/frequency and phase/frequency characteristics in the nodes of the equivalent circuits with further calculation by power and slip. Online animation of the graphs with alternate variations of all resistances R and inductances L values of the model is provided. The article contains screenshots of important parts of the programs and illustrates the complete set of graphs.

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Design of H_∞ for induction motor

Cited by 2 publications

References 23 publications

Induction motor rotor bars type effects towards energy efficiency, economic and environment

Induction motor rotor bars type effects towards energy efficiency, economic and environment

Analytical transformations software for stationary modes of induction motors and electric drives

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