Control of crane mechanisms with electric drive frequency converter
The electric drive of Crane mechanisms. The powered motor speed control via frequency converter and process control via programmable logic controller. Cranes are an important part of many industries and construction sites used for lifting heavy loads.
Подобные документы
- 1. Analysis of schemes of a current limiting unit in automatic control systems for dc electric drives
The most suitable electric drive for these mechanisms is considered to be a direct current electric drive with thyristor automatic control. Frequency control of asynchronous electric drives finds less application due to the complexity of control.
статья, добавлен 14.02.2025 The control station is designed for the control and smooth adjustment of the rotation frequency of the shaft of the alternating current electric motor depending on the operating characteristics of the technological equipment of the rod depth pump units.
статья, добавлен 10.12.2024Methods of optimization and control of asynchronous electric drives of pumping machine. Application of asynchronous electric drives in industry due to their efficiency, reliability and control flexibility. Vector speed control and pulse-width modulation.
статья, добавлен 10.12.2024Modernization of the transport system of the production system MPS 500. Creation of a new control program in the environment of the TIA portal. The main functions of the frequency converter. Investigation of the final state of the control cabinet.
статья, добавлен 26.08.2020The production of electricity, losses during its distribution are considered as an important issue. Currently, loss control and electricity metering. Electricity measurement, detection and elimination of losses affect energy-saving technologies.
статья, добавлен 14.02.2025Analysis of requirements for electric-drive of mechanism of pulsed wire feed, and the benefits of using a special Brushless Direct Current electric-drive. Design of half-bridge circuit to regulate the strength of the current phase of the stator windings.
статья, добавлен 22.12.2016Scientific justification for automated control method of optimal charge of pebble mill operating in series with a magnetic separator in the second stage of crushing in magnetic separating plants that process on iron ores with varying physical properties.
статья, добавлен 23.03.2016Types of Electric Vehicle in use Today. Alternative and Novel Energy Sources and Stores. Electric Machines and their Controllers. Motor Cooling, Efficiency and Mass. Design of Ancillary Systems. Battery powered cars and vans. Torque speed characteristics.
книга, добавлен 25.11.2013Proposes a method to increase information content in studying frequency properties of automatic control systems typical dynamic links based on representation of the link transfer functions in the form of graphs. Examples of separate links are provided.
статья, добавлен 25.01.2022The types of mechanisms turning and folding blades used for power control and stabilization of frequency of rotation of the wind turbines. The dependence of the displacements of sliders and centrifugal weights on the angle of rotation of the blade.
статья, добавлен 14.09.2016Use of fluid with magnetorheological effect in crane’s system can reduce significantly unwanted overload, vibrations and resonances arising from them. Applying periodically changing strengths of an external synchronized with cycles of periodical crane's.
статья, добавлен 28.11.2016A new concept of Artificial Neural Networks in estimating speed and controlling a separately excited DC motor. A three-layer feed forward neural network with sigmoid activation functions in the input and hidden layers and purelin in the output layer.
статья, добавлен 22.08.2017Analysis of the problems that may arise in the asynchronous motor, issues related to diagnostics and repair work. Measurement of insulation resistance of windings of electric motors. Features of the conduct of maintenance that prevents excessive wear.
статья, добавлен 24.02.2025Special supervisory control system responsible for the informative data acquisition about the current enterprise production and its control. The main SCADA. The general structure of SCADA. The Three main structure components modern SCADA-systems.
статья, добавлен 30.04.2019Comparative analysis of the effect of chemical compounds on the process of forming an electric arc and the conditions for its combustion.Metal transfer in the interelectrode gap under experimental conditions. Specific power of electric arc discharge.
статья, добавлен 29.09.2016Modeling and principle of operation positioner power consumption in the direct mode of automated management. Evaluation of the use of the corrected function decline in electricity consumption in the automated control system of technological process.
статья, добавлен 28.02.2016The analysis of the cement production process in Ghana, which is limited to grinding clinker into cement and its packaging and distribution. The equipment of grinding chains, the best configuration. Control methods used for cement grinding chains.
статья, добавлен 30.05.2018Controlling the rudder, counting the distance traveled, turning off the engine and resetting the wings - the simplest autopilot functions. Radio control - the technology, that allows drones to follow difficult routes, perform maneuvers in the air.
статья, добавлен 27.02.2021Image processing of assembly parts at specified automated line from FESTO company to automate monitoring and evaluating of obtained data together with supporting of educational activities for field: "automation and control of machines and processes".
статья, добавлен 26.08.2020Determination the rigidity of constructive elements involved into the rated diagram of electromechanical system of the drive of spherical mill. Defining the rigidity of the elements entering a kinematic circuit of any electromechanical systems of drives.
статья, добавлен 28.11.2016Familiarity with the basic method of identification of defects of the drive with induction motor using wavelet transform for the test signals. Analysis of a neural network model converted to the next subsequent stages on the basis of the algorithm.
статья, добавлен 28.08.2016Geometry, FE analys, optimization, mechanisms, plastics and MSC/ARIES positioning for design detail. Full function ACIS based modeler, constraints, region operator to sub-divide geometry. Pre release solids shelling, per face (uniform) thickness control.
презентация, добавлен 21.02.2014Deployment of two-arm robots in different plants. Designing of an educational workplace for assembly, equipped with a two-arm robot. Using of Schunk electric grippers to adjust the range of movement and clamping force. Design a robotic workplace.
статья, добавлен 28.08.2020Formulation of the problem of calculating the scalar potential of the electric field in the axisymmetric disk, the material which has anisotropic permittivity. The method of successive approximations, a description of the potential of the electric field.
статья, добавлен 30.08.2016Analysis of a mathematical model to determine the transient modes of rotary kilns, drying drums and mills taking into account electromagnetic processes in the induction motor. Mechanical vibrations of the elements of the drive mechanism, long metal body.
статья, добавлен 14.09.2016