METHOD FOR OPERATION OF AN ELECTROMECHANICAL MOTOR AND YARIMOV MOTOR
20200044582 ยท 2020-02-06
Inventors
Cpc classification
H02K99/00
ELECTRICITY
H02P1/00
ELECTRICITY
International classification
Abstract
The invention relates to power engineering and to power generation as a whole, in the field of electrical machines for converting electrical energy into mechanical energy or vice versa, and can be used in many spheres of human activity. In order to increase the efficiency and effectiveness of converting electrical energy into mechanical energy or vice versa and to expand additional functional capabilities, the primary Newtonian laws of mechanics and the law of conservation of energy are fulfilled, and conformity with the International Standard Unit of measurement for work is provided. A previously unknown method for operating electromechanical motors and electromechanical machines is proposed. The new method for operating an electromechanical motor and the motor make it possible to achieve the actual energy properties of electromechanical machines. The work performed or the power generated by the proposed invention is always higher than in the prior art.
Claims
1. A method for operation of an electromechanical motor, including: conversion of electrical energy into mechanical energy by means of interaction between conductors or windings with electric current with magnetic fields between a immobile stator and a rotating rotor with a target mass and an inertia moment on supports of rotation, wherein in a start-up period of time the mechanical energy obtained when accelerating the rotor or its rotational motion is accumulated; then the mechanical energy is stored quantitatively and applied as a main work component; the mechanical energy is operated in the steady state mode, and another value of work component is performed from an electric current in a steady state nominal mode of the electromechanical motor, while a total mechanical work is performed jointly and is obtained in an amount equal to a sum of the component values determined by the mathematical expression
Atot=+Ae; [1], where Atot is the total mechanical quantitative work in conversion of electrical energy into mechanical energy of the electromechanical motor; |Ad| is the component value of work from the accumulated energy of the rotational motion of the rotor; Ae is the component value of work from electric current in the steady state mode of the motor.
2. A motor, including a stator and a moving rotor, which is moving due to an interaction of an electric current with magnetic fields, the rotor with a target mass and an inertia moment on supports of its rotation, wherein a motor accumulates mechanical energy conversed beforehand as a result of an accelerated motion of the rotor's mass in a start-up period of time and then stored and an effective value as the main component of work in a steady state mode of the motor, as well as with a quantitative component of work from electrical energy rotating the rotor in the steady state mode with a quantitative balance of a total work equal to a sum of component values determined by an expression [1].
Description
BRIEF DESCRIPTION OF THE DRAWING
[0021]
[0022] Then, in the steady state mode tp. work also equals to the total value Atot.=|Ad|+Ae and after isolating voltage ta. work is determined in the interval of the component from Ad=max to Ad=0. The bottom part of the diagram shows equality [1] as a sum of works of the method suggested. In the center of the diagram from top to bottom a bidirectional arrow shows losses which have an impact on each of the components Ae and |Ad| depending in the periods of time and operating modes. Initially, in the start-up period tn. the losses depend on work of great electric starter currents while mechanical friction equals zero; in the end, in the steady state mode the losses balance and are evenly distributed between each of the components, electromechanical Ae. and mechanical work |Ad|of the rotor's motion. After isolating the voltage supplying the electromechanical motor, there only are mechanical losses which decrease with the decrease in the velocity of the rotor's motion by inertia, which is showed in the bottom part of the diagram. The dash line in the middle from top to bottom limits and shows losses which, separately and in total, are presented by arrows where Acon.tot.=Acon.e+Acon.d. In the mechanical area of work on the diagram mathematical formula |Ad|=Jco.sup.2/2 is showed and it is obvious that this is the area of kinetic energy of the rotor's motion, the work is constantly present after conversion from purely electrical energy from the area in period tn. of the rotor's start-up. At the top of the energy diagram at the start of the start-up time tn. total work Atot has an electric character and content and during the rotor's acceleration it decreases and is converted into mechanical work of the rotor's rotational motion moving towards the right hand mechanical side of the diagram. The diagram graphically presents the scale of the components of electromechanical and mechanical parts of work of the suggested method for operation of the electromechanical motor, which is two times greater than in the known methods according to sources (2) p. 267 of the energy diagram, and (3), (4).
[0023] 2. Motor. The technical result is achieved by the electromechanical motor with a stator and a rotor with the target mass and inertia moment rotating in the stator and placed on supports with lids. It can accumulate mechanical energy conversed beforehand as a result of the accelerated rotation of the rotor's masses in the start-up period of time and then stored and acting as the main component in the steady state mode of the motor, as well as with the quantitative component of work from electrical energy rotating the rotor in the steady state mode with the quantitative balance of total work equal to the sum of the component values determined by expression [1].
[0024] To produce the new electromechanical motor unknown before, for it to operate without breaking the fundamental laws of Newtonian mechanics and the law of conservation of energy and in accordance with International units, the conversion of electrical energy into mechanical one by means of interaction of conductors with electric current and magnetic fields in the motor includes its production with a rotor with mass m and inertia moment J, and the potential to accumulate mechanical energy in numerical terms and obtaining total work or power from two components according to mathematical expressions [1] and [2]. The author's energy diagram graphically shows a possible existence of a rotor construction which moves having accumulated a quantitative value of mechanical energy in the form of kinetic energy after conversion from electrical energy in the start-up time tn.; then, it is constantly present and perform total work or power along with the electric component according to mathematical expressions [1], [2].
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
[0025] The proposed electromechanical motor with a stator and a rotor rotating in it with mass m and inertia moment J is produced in such a way that it has a potential to accumulate mechanical energy conversed beforehand as a result of accelerated rotation of the rotor's masses in the start-up period of time and then stored and effective value as the main component in the steady state mode, as well as with the quantitative component of work from electrical energy rotating the rotor in the steady state mode with the balance of total or complete work equal to the sum of these component values, determined by expression [1].
[0026] The realization of the proposed method for operation of the electromechanical motor is carried out as follow: a rotor with mass m and inertia moment J on the supports of rotation is taken and rotated in the stator; at that, in the start-up period of time mechanical energy is accumulated, which, in its turn, is obtained by accelerating the rotor or accelerating its rotational motion; then, the accumulated mechanical energy is stored and used as the main component, it is used in the steady state mode. Besides, another value of work component is performed from electric current in the steady state nominal mode of the motor, while total mechanical work is performed and obtained in the amount equal to the sum of the component values determined by mathematical expression [1].
[0027] Some methods before the proposed invention priority date are known to make it possible to realize the method suggested. The materials are based, for example, on the information on the widely used motors of AIR-225 brand with the nominal power Pn-55kW, 3000 rpm or rotor's velocity 314 s.sup.1, voltage supply 380 V, ratio of starter current to nominal current 1p/1n=5, mass m=320 kg. For example, let us consider the motor rotor with mass 120 kg and the diameter of its working part 250 mm.
[0028] To start up the AIR-225 electric motor high starter currents are needed to accelerate the rotor with mass m=120 kg and inertia moment J=mr.sup.2/2=120 kg0.125.sup.2/2m.sup.2=0.9375 kg/m.sup.2. As a result, there is a start-up mode with the start-up period of time to of electric current, and this corresponds to the start-up mode of the drawings of the application in Fig on the author's energy diagram. After the start-up mode is over the electric motor goes on operating in the steady state mode with the involvement of the main component Ad=(JCD.sup.2)/2, which corresponds to the operating mode tp. of the drawings of the application according to Fig. As a result, in the start-up mode period accumulation of mechanical energy of the rotor to the expected value is provided. Then, after the start-up mode is over the obtained mechanical energy with the total quantity of components Ad and Ae determined by mathematical expression [1] according to the law of conservation of mechanical energy is applied.
[0029] Since the well-known electric motors, such as AIR-225, do not have the start-up part of electrical energy conversed into mechanical energy of the rotor in numerical terms in the steady state mode, therefore, electrical energy in the steady state mode has an immediate impact on mechanical friction or resistance (load) without the agency of quantitative accumulated energy of the motor rotor. This is objectively impossible and contradicts the law of conservation of energy.
[0030] The application of the accumulated mechanical energy is carried out by scientifically proven methods and is confirmed by references to the prior art. Mechanical energy or work is known to be performed by means of inertia moment (the distribution of mass about the axis of rotation) for rotational motion.
[0031] The value of the rotor's accumulated mechanical energy with the known motor is found by the formula Ad=(.sup.r..sup.2)/2=(0.9375 kg/m.sup.2314 s.sup.2)/2=46216.875 J(Ws). Here we can compare some rated values of power of AIR-225, such as 55 kW or 55000 W, with the power of the rotor's developed kinetic energy Pd=46216 W or work Ad=46216 J(Ws). In a first approximation, work Ae in the steady state mode amounts to not more than 55% (54.34%), without considering the losses and load, from Atot.=55000 Ws+46216 Ws=101216 Ws(J) by expression [1] or 101216 W by expression [2]. According to the law of conservation of mechanical energy, the start-up part of electrical energy of AIR-225 electric motor was converted into accumulated mechanical energy of the rotor Ad or Pd. Then the accumulated energy along with Ae, according to the law of conservation of energy (6), performs total quantity of physical work of the electromechanical motor according to conversion of electrical energy into mechanical energy [1].
[0032] Application of the accumulated mechanical energy and its immediate operation in the steady state mode is categorically distributed between all types of work: energy of mechanical friction and resistance to the rotor's motion as well as the intensity of load in the case of application of the motor as a mechanism drivethe motor's rotor, initially. In science and in practice there are no facts to prove quantitative and qualitative effect of electromagnetic forces, omitting mechanical energy of the motor's rotor, or the impact of the forces such as, for example, electromagnetic moment directly on mechanical energy of friction, resistance and/or load.
[0033] Comparison of conventionally identical electromechanical motors AIR-225 with different quantitative values of accumulated mechanical energy of rotors can be an example of a practical and optimal realization of the invention claimed in n.1 and n.2 proving its applicability. From mathematical expression Ad=JCQ.sup.2/2 or as power Pd=Jco.sup.2/2t it can, for example, be presented =V(2A J). If mechanical loads A equal in value are exerted on the output shaft of the rotor, they act directly through the accumulated mechanical components from expression [1]; at that the motor with less accumulated mechanical energy reacts to a greater degree and spends the kinetic energy of the rotor by decreasing angular rate since it is inversely proportional to inertia moment under the square root. Therefore, to set up a nominal mode for the electromechanical motor with high values of inertia moment a lower quantitative value of electrical component of energy Ae from expression [1] is needed through refilling the consumption of angular rate Aw of the rotor. Thus, the greater the component of accumulated mechanical energy of the rotor is, the less amount of electrical energy is needed to perform the same amount of work as a part of expression [1] or [2].
[0034] Since the well-known electric motors (1)-(4) and, for example, AIR-225 do not have the start-up part of electrical energy or any equivalent mechanical energy in numerical terms in the steady state mode, then the fact proves that the existing methods for operation of electric motors contradict the law of conservation of energy. The statement is ultimately objective and explicit, scientific and technically proved in the form of the component of quantitative and measurable mechanical energy or work Ad. Therefore, the proposed author's invention of the method for operation of electromechanical motors and the device for their realization are the only ones that do not contradict the definition and essence of mechanical work and reflect the application of the existing laws of Newtonian mechanics (7).
[0035] The proposed invention of the method for operation of an electrical motor and motor are novel, non-obvious and industrially applicable; they also meet the criteria established by the current legislation.
Information Sources
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