A NEW MODEL FOR AC PLUNGER-TYPE MAGNETS IN STEADY-STATE REGIME
Journal Title: ANALELE UNIVERSITATII DIN CRAIOVA - Seria Inginerie electrica - Year 2010, Vol 34, Issue 34
Abstract
This paper proposes a new model for plunger-type magnets that could be used in SPICE simulations of some complex systems. The model uses a new advanced modeling technique of ferromagnetic cores that was developed in the last years in various technical papers. This technique is now adjusted to the AC plunger-type magnets that operate in the steadystate regime. The case that corresponds to the position “closed” of the electromagnet is analyzed. We considered a 230V/50Hz electromagnet as example to be studied. The constant parameters as well as the characteristic of the resistance forces and the hysteresis curve are obtained from the magnet design documents. A special attention was paid to the short-circuit ring, as position, dimensions and influence on the magnet operation. The simulation offered an image on the equipment behavior in the steady-state operation regime. Also comparisons and analysis can be made on the waveforms of the magnetic fluxes, currents or voltages and thus some important conclusions can be obtained. Magnetization cycle of the movable core, supply voltage waveform, coil current waveform, magnetic flux in the movable core, magnetic fluxes inside and outside the short-circuit ring as well as the current induced in the short-circuit ring are represented in a comparative manner in order to better analyze the results and to compare them with those presented in the technical literature. Finally some conclusions are depicted in order to improve the model and to generalize it for a class of electromagnets.
Authors and Affiliations
Ioana-Gabriela SÎRBU, Mihai IORDACHE, Lucian MANDACHE
Keywords
Related Articles
- EP ID EP97157
- DOI -
- Views 131
- Downloads 0
Using a Shape Memory Alloy Spring Actuator to Increase the Performance of Solar Tracking System
The exclusive properties (e.g. one way and two way shape memory effect, superelasticity, etc.) exhibited by shape memory alloys (SMAs) offer the possibility of producing smart sun tracking mechanisms for photovoltaic...
DESIGN AND PERFORMANCES OF COUPLING PASSIVE FILTERS IN THREE-PHASE SHUNT ACTIVE POWER FILTERS
The passive interface filter represents the link between the power grid and the shunt active filter. The interface filter is used both to obtain a good dynamic of the compensating current and to limit the high frequency...
Neuro-fuzzy DTC for an Electrical Drive System with Induction Motor. A SISO controller for the velocity loop
The paper presents some design aspects concerning the implementation of a neuro-fuzzy controller for the velocity loop of an electrical drive system with induction motor and a Direct Torque Control strategy. The approach...
Analysis of Reluctance Synchronous Motors Static Stability Using Routh-Hurwitz Criterion
This paper analyzes the static stability of the reluctance synchronous motors, by means of the Routh- Hurwitz criterion. In this purpose, there is made a brief introduction which presents the types of disturbances occurr...
IMPLEMENTATION OF THE VECTOR CONTROL SYSTEM FOR TRACTION ASYNCHRONOUS MOTORS
The paper describes the InBus-103 electronic equipment for the trolleybus traction system with vector controlled asynchronous motor. Based on the experience acquired during more years and hundreds of equipment installed...