This paper presents a novel high-efficiency three-port bidirectional DC–DC converter for photovoltaic (PV) systems. A PV system’s output is stepped up to supply DC bus or load while charging the battery. When insufficient, battery voltage bus; when has excess energy, it down charge Thus, step-up/step-down achieved. common-core coupled inductor was designed and adopted in proposed converter. Pow...

Permanent magnet linear synchronous motor (PMLSM) has several advantages, such as simple structure, small volume, high force, and so on. It is a research focus and difficulties in the research field of motor. Because PMLSM is different from the traditional rotary motors in structure and running state, it is difficult for to build its precise mathematical model by analytical method. The asymmetr...

Transient responses of RLC circuits are examined when subjected to both long time scale (relative to the decay time) square wave voltages and sinusoidally varying voltages over a range of frequencies about the resonant frequency. In general, a good correspondence is found between theory describing the charge in the system in terms of a 2nd order differential equation with a harmonic oscillator ...

As the circuit density of pattern traces and the data rate on a printed circuit board (PCB) is increased, an unexpected electromagnetic interference (EMI) such as crosstalk can degrade the intended signal transmission. The crosstalk problems on multiconductor transmission lines (MTLs) which are parallel and have the same length have been researched by C. R. Paul[1]. In case of shifted parallel-...

This paper presents the parameters of permanent magnet synchronous motor i.e. speed (r), stator resistance (RS), q-axis inductance (Lq), and torque (Ts) is to be estimated by using Model Reference adaptive System(MRAS). To improve the performance of speed sensor less permanent magnet synchronous motor drives, especially at low speeds by identifying stator resistance together with speed. Severa...

Design, simulation, and implementation of low profile microstrip spiral inductors for high power Industrial, Scientific and Medical (ISM) applications at the high frequency (HF-3–30 MHz) range are given for the first time. An accurate analytical model and algorithm have been developed to determine the simplified lumped element equivalent model parameters for spiral inductor and its physical dim...

In this paper, a precorrected-FFT approach for fast and highly accurate simulation of circuits with on-chip inductance is proposed. This work is motivated by the fact that circuit analysis and optimization methods based on the partial element equivalent circuit (PEEC) model require the solution of a subproblem in which a dense inductance matrix must be multiplied by a given vector, an operation...

Previous studies have already introduced a variable active-passive reactance (VAPAR) to be used as virtual inductance in power circuits. Its most remarkable feature of generating a negative virtual inductance can be used to cancel an undesired existing inductance. It has found applications in the rapid power flow control of power systems, for flexible AC transmission systems, where the power fl...

This paper presents a novel method to calculate magnetic inductance with a fast-computing magnetic field model referred to as the extended distributed multi-pole (eDMP) model. The concept of mutual inductance has been widely applied for position/orientation tracking systems and applications, yet it is still challenging due to the high demands in robust modeling and efficient computation in real...

We propose a procedure to estimate the model parameters of presented nonlinear Resistance-Capacitance (RC) and the widely used linear Resistance-Inductance-Capacitance (RIC)models of the respiratory system byMaximum Likelihood Estimator (MLE). The measurement noise is assumed to be Generalized Gaussian Distributed (GGD), and the variance and the shape factor of the measurement noise are estimat...