The main contribution of this paper is to present a new set approximate analytical solutions for the parameters photovoltaic (PV) five-parameter double-diode model that can be used as initial values numerical based on Newton–Raphson method. proposed formulations are developed only limited information given by PV manufacturers, i.e., open-circuit voltage ( <formula formulatype="inline" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> <tex...

Parameter extraction of the five-parameter single-diode model solar cells and modules from experimental data is a challenging problem. These parameters are evaluated set nonlinear equations that cannot be solved analytically. On other hand, numerical solution such needs suitable initial guess to converge solution. This paper presents new approximate analytical solutions for photovoltaic (PV) modules. The proposed provide good point which guarantees analysis convergence. technique only few PV...

This article presents a novel energy management strategy (EMS) for fuel cell hybrid electric vehicle (FCHEV) considering the exact identification of movement conditions, optimal power sharing, consumption minimization, and reduction battery fluctuations. The vehicle's source structure consists cell, battery, ultracapacitor, photovoltaic array, which is installed on roof FCHEV. Also, maximum point tracking (MPPT) presented to fast various such as changes in intensity irradiation, temperature,...

One of the most important challenges in fuel cell/battery/ultracapacitor energy storage is to design an excellent power distribution. Proton Exchange Membrane cell (PEMFC)/ battery/ ultracapacitor system regarded as mainly alternative option solutions transport applications because its zero emission and saving comparing internal combustion engine (ICE). In this work, PEMFC/battery/ultracapacitor applied SAMAND (Iran National Car) hybrid system. This paper addresses effective management...

Current paper introduces a novel structure for power system stabilizer (PSS) using mixed of proportionalintegral-differential (PID) controller and IEEE type PSS2B. Proposed PID-PSS2B is designed in coordination with thyristor controlled series capacitor (TCSC)-based oscillation damping (POD) to enhance small-signal stability. Although the coordinated design conventional CPSS-POD improves characteristics, applying practical advanced POD controller, first time, can contribute more effectively...

Fractional-order proportional-integral-differential (FOPID) controller is a generalization of PID employing fractional calculus. In this paper, FOPID power system stabilizer (FOPID-PSS) called PI <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">λ</sup> D xmlns:xlink="http://www.w3.org/1999/xlink">μ</sup> -PSS introduced to improve damping electromechanical (EM) low frequency oscillations (LFOs) in multi-machine system. FOPID-PSS design formulated...

This paper proposes novel robust coordinated design of multi-input power system stabilizer MPSS and TCSC-based oscillation damping (POD) controller to improve small-signal stability. Although the CPSS-POD improves characteristics, applying a high-potential such as (P-W-Q) PSS in coordination with POD for first time can take part more effectively electromechanical (EM) oscillations. The problem is systematized an optimization procedure concentrated on simultaneous tuning adjustable gains...

In this paper a new scheme is introduced for slip power recovery of wound rotor induction machines in the industrial applications. The main components proposed circuit include static rectifier, boost chopper and three-level T-type DC/AC converter. Furthermore, specifications drive are high quality output voltage, acceptable factor drive, independent control machine speed reactive power. Simulation studies confirm operation terms tracking load handling. Also, traditional Kramer simulated to...

The paper proposes simultaneous coordinated design of IEEE type PSS3B stabilizer and TCSC-based POD controller to increase power system oscillation stability. Since the has demonstrated superior damping performance over CPSSs other types dual-input stabilizers, for first time in this it is included with TCSC device. problem expressed as an optimization procedure coordination focused on parallel choice adaptable gains constants employing PSO algorithm by minimizing specified eigenvalue-based...

In this paper simultaneous coordinated design of (P-ω) dual-channel PSS, AVR and TCSC-based POD controller is researched for the first time. The purpose proposed coordination to enhance power system overall stability including oscillation achieved by PSS in with FACTS device also transient accomplished via contributively influences all controllers especially AVR. problem based on state space model focused concurrent selection adaptable gains time constants using PSO algorithm minimizing...

This article presents a new topology for single-phase three-level neutral-point-clamped inverter. The proposed uses modified Z-source network that the same boost factor has lower voltage stress across capacitors in comparison to traditional inverters. Therefore, this leads capacitor size as well decreased cost. In article, different operating modes of inverter steady-state are analyzed. Moreover, capacitors, ripple and current inductors calculated using dc <inline-formula...

In today's world, the tremendous development of science and technology has caused new problems for humans. The non-optimized consumption fossil fuels may cause irreparable losses (environmental pollution, wide changes in Earth's climate scholars experts are looking resources that will gradually replace fuels. distributed generation (DG) is a growing method production electrical energy electric power systems. recent years, use renewable sources systems been increasing. One these solar energy....

In this paper, a new topology is introduced for Doubly-Fed Induction Generators (DFIGs), applied in wind energy conversion systems. the proposed T-type converters are used back-to-back form instead of conventional converters. high-efficient three-level with high power quality. Furthermore, hysteresis-based predictive control method suggested rotor current DFIG. Therefore, discrete models DFIG and extracted. A equation also defined reference calculation which determines error. The can be...

Brushless doubly fed reluctance generator (BDFRG) has been recently suggested as a wind generator. Different control methods are presented in literature for the BDFRG, but there is gap on under unbalanced grid voltage condition (UGVC). This paper presents predictive direct power (PDPC) method BDFRG UGVC. The proposed PDPC based compensation strategy, and aims to balance current (strategy I), remove electrical torque pulsation II). objectives defined using positive sequence (PS) negative (NS)...

In the installation of photovoltaic (PV) arrays on roof fuel cell hybrid electric vehicles (FCHEVs) and maximum power point tracking (MPPT) we should consider output under various conditions such as fast changes in intensity irradiation, temperature, movement vehicle conditions. The identification accurate (MPP) is one most critical issues to overcome MPPT issues. proposed algorithm enable fast-tracking MPP for all irregular driving, sudden irradiation. this paper, an energy management...

This paper is concerned by the use of neural networks and for controlling a non-linear process namely MRAS based speed estimator induction machine (IM). In first case study, principals conventional rotor flux (RF-MRAS) will be designed. second design procedure uses model trained with inverse process. Thus, overall controlled system formed using this model. work analyses each in terms tracking regulation. It shown that network (NN-MRAS) slightly better respect to transient while they have...

In this paper, a new approach has been proposed to control induction motor drives using PI controller. The drive system is fed by current-controlled voltage source inverter (VSI) and indirect field oriented (IFOC) method used the three-phase command currents. During simulation proccess, stator real currents are sensed from sensors inside regulated hystersis controllers with comparison of obtained block proceeding IFOC. controller presented in improved stability effectively. A neural network...

In this paper, a comparative study of model reference adaptive system (MRAS) and sliding mode based speed observers is considered for sensorless induction motor drives. First, MRAS-based observer designed method introduced its PI block design. Then, presented in detail. Finally, comparison made between two terms tracking capability parameters variations. The comparisons are performed through simulation studies. Furthermore, real-time laboratory setup constructed to evaluate some dynamic...

Current source inverter (CSI-fed induction motor drives are commonly used for high power applications without necessity to fast dynamic response. Although these kind of more economic in ratings, they have some inherent disadvantages, that limit their applications. In this paper, addition presenting vector control system CSI-fed drives, a novel method has been presented remove disadvantages and improve performance. method, voltage as shunt active filter. Results show the effects on overall...

This paper presents a new reducer-order observer for sensorless control of doubly fed induction generators (DFIGs), based on the Luenberger algorithm. Stable operation suggested is also considered in design guidelines. Stator flux selected as state variable and its estimation error used to correct operation. The gain matrix proposed calculated basis dynamics. adaptation mechanism an rotor currents. A proportional integrator (PI) block structure transformation output signal. Furthermore,...