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This paper presents a new current source converter topology that is mainly intended for photovoltaic (PV) applications. The proposed system composed of a PV generator, an impedance adapter, DC-DC converter, a storage battery, multilevel current source Inverter CSI and a vector controlled induction machine. Our objectives here are focused on modeling, control, and steady-state and transient performances...
This paper proposes a methodology that, starting from a set of calibration measurements picked up at the external ports, allows the de-embbeding of a multi-port transition and the determination of its representative matrix. With this methodology the coupling between internal versus external ports are supposed symmetrical. This hypothesis together with the use of exponential mapping and Baker-Campbell-Hausdorff...
This paper presents a simulation model for a DC to DC boost converter. The simulation model was accomplished in MULTISIM 12 and represents in fact the electronic scheme which was manufactured experimentally in the Avionics Laboratory of our faculty. The converter amplifies the 24 VDC input to 48 VDC output, with a maximum power of 500 W. This converter can be used in the aero-spatial domain, on satellites,...
This paper presents an Organic-Light-Emitting-Diode (OLED) equivalent circuit model with temperature coefficient and intrinsic capacitor. In order to precisely describe the OLED non-linear V-I characteristics at different junction temperatures, four parameters: maximum operating point, rated operating point, knee point, and temperature coefficient, are obtained from the OLED V-I curves to establish...
A hysteresis interior permanent magnet (IPM) motor is a solid-rotor self-starting synchronous motor. Its rotor has a hysteresis ring made of composite material with high degree of hysteresis energy per unit volume. The Neodymium Boron Iron (Nd-B-Fe) magnets are buried inside the hysteresis ring. This paper presents the analytical modeling of a hysteresis IPM motor to investigate its starting and synchronization...
This paper presents a comprehensive modeling, simulation and computational implementation of buck converter. Four modeling approaches of buck converter including mathematical, circuitry, transfer function and state space modeling are presented. Each modeling approach is demonstrated with various computational implementation methods including graphical, functional block and text based programming in...
This paper proposes a methodology that, starting from a set of calibration measurements picked up at the external ports, allows the de-embbeding of a multi-port transition and the determination of its representative matrix. With this methodology the coupling between internal versus external ports are supposed symmetrical. This hypothesis together with the use of exponential mapping and Baker-Campbell-Hausdorff...
A parameterized model for resonant clocking inductors embedded in a dense power grid was developed using extensive electromagnetic simulations. The resulting model was used to support resonant clock designs for the POWER8TM microprocessor. The model enabled tuning of the inductance attached to each clock sector to optimize its resonant behavior, resulting in a 33% reduction in clock power. Simulations...
Electrostatic Discharge (ESD) is a major constraint for electronic product design and especially in automotive domain, where requirements can reach levels up to 25 kV. The reference standard cited in most of carmakers specification is the ISO 10605 [1]. Historically product design was mainly based on experience and experiments, but recent works started to develop modeling and simulation capabilities...
With the rapid development of urban rail transit in China, it is greatly significant to deeply study the interaction effect between urban power distribution system (UPDS) and urban rail transit traction power supply system (URTTPSS). At first, this paper introduces the research background and significance of URTT PSS modeling and simulation in power distribution system. Secondly, based on PSCAD software,...
The tight coupling between the nuanced physics of silicon-germanium (SiGe) heterojunction bipolar transistors (HBTs) and the circuits in which they are utilized in many ways represents the “final frontier” for research in technology optimization, device physics, compact modeling, circuit design, and system implementations. As relevant examples of the inherent complexities associated with such “device-to-circuit...
This paper is about a PV system linked to the electric grid by power electronic converters. The modeling for the converters emulates the association of a DC-DC boost with a two-level power inverter in order to follow the performance of a testing commercial inverter employed on an experimental system. It is used pulse width modulation by sliding mode control associated with space vector modulation...
This paper proposes a linear large signal state-space model for a phase controlled CLC (Capacitor Inductor Capacitor) Resonant Dual Active Bridge (RDAB). The proposed model is useful for fast simulation and for the estimation of state variables under large signal variation. The model is also useful for control design because the slow changing dynamics of the dq variables are relatively easy to control...
Since testability physical verification has many shortcomings, such as high risk, difficulty in fault injection, long verification period, high verification cost and so on. Testability nonphysical verification acquires more and more attentions. While most of the traditional testability evaluation models can only describe the relationship of signals, faults and tests qualitatively, they have little...
A new method for modeling switched-linear systems is presented: switching devices are modeled ideally using parametrized curves, and an efficient implementation for real-time simulation is proposed. Experiments on a rectifier topology for traction converters demonstrate the methods performance in terms of accuracy, stability and execution time, with a 50us step-size.
In this work a comprehensive SPICE model is demonstrated for perimeter-gated single photon avalanche diodes (PGSPAD) fabricated in commercial 0.5 µm CMOS process. This model simulates the trigger of an avalanche event of PGSPAD due to photon absorption, along with the quenching behavior. It also simulates the I–V characteristic, where the breakdown voltage can be modulated with applied gate voltage...
This paper presents a sub-circuit-based method to model the passive distribution network (PDN) using measured S-parameters. In general modeling method the PDN models have to be transformed into electric networks consists of resistor, inductor and capacitor components. These modeling processes generally take much time and need repeated adjustments. The sub-circuit-based modeling method converts the...
This paper presents a new HSPICE macromodel of a Programmable Metallization Cell (PMC). The electrical characteristics of a PMC are simulated by using a geometric model that considers the vertical and lateral growth/dissolution of the metallic filament. The selection of the parameters is based on operational features, so the electrical characterization of the PMC is simple, easy to simulate and intuitive...
Dimensional analysis is one of the most powerful modeling methods, where it is used to reduce the number of physical variables through combining two or more variables into a single dimension neutral one in order to simplify the process of describing a relationship among those variables. That makes curve fitting to obtain final equations simpler. In this paper, dimensional analysis is applied as a...
There are circulating currents among the parallel inverters. Based on the existing researches on circulating currents, an accurate model of switching frequency circulating current is proposed in this paper. Moreover, the relationships between the circuit parameters and switching frequency circulating current are investigated and analyzed in detail. Based on the analytical results, favorable design...
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