The equation parameter determines which of the following equations the block uses. Ltspice, matlabsimulink and psim, with equally valid accuracy. As the name indicates, a variable inductor is a device capable of varying its own inductance. Mutual inductor mathworks makers of matlab and simulink. The inductance is specified by a monotonically increasing flux linkagecurrent characteristic. In this paper it is presented a proposal to get the squirrel cage induction motor parameters by means of a combined, new, trustworthy, simple and cheap process, in order to be used at the first. The theoretical transfer function of the buck boost converter is. Im modeling the coupled inductor using idel transformer having magnetizing inductance in parallel and leakage inductance in series with it. Box 2009 oak ridge, tn 378316472 2department of electrical and computer engineering the university of tennessee knoxville, tn 379962100. The following section addresses users of plecs blockset for simulink. It implements a discrete variable inductor as a current source. Simulating a variable mutual inductance model electrical. Request pdf a variable inductor matlabsimulink behavioral model for application in magneticallycontrolled electronic ballasts in magnetically controlled.
Ac and dc sources, breakers, transformers, rlc branches and loads, transmission lines. Another thing i noticed is that in this sample case of inductor which is the design i based my variable capacitor on the positive current terminal of the controlled current source connects to the ground, and the. The nonlinear inductor block represents a timevarying inductor. This example shows a simulink model of a variable inductance that can be used in specialized power systems.
The minimum value of the resistance rmin is an rf blockset defined constant independent of the simulink control signal. Click on the newly added row in the list and type the variable name and value, as shown below. Request pdf calculation of characteristics of threephase laminatedcore variable inductor using matlab simulink variable inductors, which consist of a magnetic core and primary dc and. Model variable capacitor simulink mathworks italia. The variable inductor consists mainly of planar spiral inductor, the shielding metal plate above the spiral inductor, and the electrostaticdriven capacitive actuators. When you use a variable inductor block in your model, set the. Model variable resistor simulink mathworks deutschland. Index terms matlab, simulink, electronic ballast, fluorescent lamp, variable inductor. The block provides two options for the relationship between the voltage v across the device and the current through the inductor i when the inductance at port l is l. By this magnetic core we can adjust the inductance value.
The minimum value of the inductance lmin is a rf blockset defined constant independent of the simulink control signal. The current is defined to flow from the positive terminal to the negative terminal of the inductance. When the nonlinear resistor is implemented as a voltage source, the block uses the following equation for the relationship between the voltage, v, across the device and the current through the resistor, i, for the resistance characteristic specified by r. Cant create a variable capacitor in simulink matlab. Define variablesize data for code generation matlab. The buck boost converter is a dcdc converter with the output voltage magnitude that is either greater than or less than the input voltage magnitude. When you use a variable inductor block in your model, set the powergui block simulation type to discrete. It implements a discrete variable capacitor as a current source. Dont forget that the expression needs integrating beforehand. Model variable capacitor simulink mathworks france. Types of inductors and applications electronics hub.
Environment block for simscape electrical specialized. Simulink implementation of induction machine model a. Generally, after the initial assignment, you cannot reassign variable properties. The lighting industry is a global, multibillion industry. In this paper it is demonstrated how a matlab simulink compatible behavioral model of a variable inductor can be developed easily using simple laboratory measurements. For more information, see set priority and initial target for block variables. Request pdf a variable inductor matlabsimulink behavioral model for application in magneticallycontrolled electronic ballasts in magneticallycontrolled. The output scope shows the frequency control signal, the output voltage, and the reference value for the output voltage.
The powergui block also opens tools for steadystate and simulation results analysis and for advanced parameter design you need the powergui block to simulate any simulink model containing simscape electrical specialized power systems blocks. When we consider a ferrite core inductor, by moving its core inside and outside on which the coil is wounded, variable ferrite core inductor can be formed. The variable inductor block controls the output of rf blockset feedback circuits using simulink controlled inductance in henries. The minimum value of the capacitance cmin is a rf blockset defined constant independent of the simulink control signal. In magneticallycontrolled electronic ballasts, in order to perform the lamp start and dimming, the typical resonant inductor is substituted by a variable. Pdf modeling and simulation of vsi fed induction motor. A variable inductor matlabsimulink behavioral model for. It stores the equivalent simulink circuit that represents the statespace equations of the model. Modeling of variable magnetic elements including hysteresis and.
When you use a nonlinear inductor block in your model, set the powergui block simulation type to discrete. The capacitance is specified by the simulink input signal. It implements a discrete variable resistor as a current source. To set the priority and initial target values for the block variables prior to simulation, use the variables tab in the block dialog box or the variables section in the block property inspector. Calculation of characteristics of threephase laminated. How to simulate coupled inductor in simulink matlab. Model variable inductor simulink mathworks america latina. These type of inductors are used in radio and high frequency applications where the tuning is required. The resistance is specified by the simulink input signal. When you use a variable capacitor block in your model, set the powergui block simulation type to discrete. Linear timevarying capacitor simulink mathworks italia. It is comparable to a flyback converter where an inductor is used in place of a transformer. The variable resistor block represents a linear timevarying resistor. The variable capacitor block represents a linear timevarying capacitor.