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A bidirectional converter based battery control of a SPV (Solar Photovoltaic)-hydro based microgrid system is designed and its performance is simulated in detail. In the proposed standalone microgrid system, the battery capacity is reduced to the order of 50%, which makes the system reliable as well as cost effective. The proposed system is a hydro-PV based isolated microgrid. The proposed system...
This paper presents an active noise isolation (ANI) based control algorithm for single-phase single-stage solar photovoltaic (SPV) system connected to the AC grid. An ANI based algorithm used to control a voltage source inverter (VSI) which performs load compensation, harmonics mitigation, feeding solar power into the AC grid and many other power qualities issues. The proposed system comprises SPV...
It has been long known to the market that, the use of copper in the rotor in place of aluminium, taking advantage of copper's high conductivity, can be an economic solution for various applications, including electric vehicle, in the development of energy efficient motors. In comparison to aluminium, copper die-casting is extremely difficult to perform due to its high density, viscosity and melting...
This paper proposes a solar photovoltaic (PV) fed water pumping system driven by a brushless DC (BLDC) motor. A promising case of interruption in the water pumping due to the intermittency of PV power generation is resolved by using a power grid as an external power backup. The power is drawn from the grid in case the PV array is unable to meet the required power demand, otherwise the PV array is...
In this paper, a variable step size filtered X-least mean fourth (FX-LMF) algorithm is proposed for a single-stage three-phase grid tied solar energy conversion system with active shunt filter capabilities. It consists of a SPV (Solar Photovoltaic) array, a voltage source converter, a three-phase grid and connected linear and nonlinear loads. The proposed algorithm helps in faster convergence and...
This paper proposes a grid interactive bidirectional solar water pumping system using a three phase induction motor drive (IMD). A single phase voltage source converter (VSC) is used to direct the flow of power from grid supply to the pump and back to the grid from SPV array. A boost converter is used for the maximum power point tracking (MPPT) of the SPV array. A smart power sharing control is proposed,...
This paper presents an optimum solution for field deployment for off-grid renewable energy based single phase power generation using a 3-phase self excited induction generator (SEIG). While several topologies of 3-phase SEIG to feed single phase loads are discussed in the literature, it is essential to study all possible configurations to arrive at best possible solution for given application, to...
This paper presents a single stage SPV (Solar Photovoltaic) system using an adaptive novel control (ANC) Scheme. The SPV system includes SPV array, VSC (Voltage Source Converter), ripple filter, nonlinear loads and three-phase distribution network. As compared to two stage systems, a single stage SPV system is developed, resulting in depletion in cost, size, weight and an improved efficiency. The...
A double switch dual-output buck-boost converter fed switched reluctance motor (SRM) drive is proposed for power factor correction (PFC) at AC mains. The motor control is achieved by regulating the DC link voltage over wide range thus obtaining the speed control. The proposed converter utilizes the two switches which turn on and off simultaneously, thus reducing the switching stress as compared to...
A novel and computationally efficient method for d-q control of solar photovoltaic (SPV) integrated UPQC (PV-UPQC) is presented in this paper. A digital filter is used to extract fundamental positive sequence (FPS) component of distorted grid voltage which is used to generate the sine and cosine values necessary in d-q based control. The shunt compensator of PV-UPQC compensates for the load side power...
This paper proposes the use of a dual-sign error control algorithm for a single stage, three phase, grid-integrated solar energy conversion system (SECS) with DSTATCOM (Dynamic Static Compensator) capability. The system consists of an SPV (Solar Photovoltaic) array, a voltage source converter (VSC), three phase non-linear load connected to the grid and a ripple filter. The VSC and the SPV array provide...
This paper presents a SPV (Solar Photovoltaic)-DSTATCOM (Distribution Static Compensator) grid tied system controlled using a unity zone variable forgetting factor RLS (Recursive Least Square) algorithm along with P & O (Perturb and Observe) maximum power point tracking method. The proposed SPV grid tied system operates in two modes: Mode-1, the SPV-DSTATCOM mode which comes into operation during...
In this paper, a renewable energy based wind-PV microgrid is investigated for seamless transfer between the grid connected and isolated modes according to the grid availability. The VSC (Voltage Source Converter) based voltage and current controls are used to provide smoothness in both the operations. A battery bank is connected at the DC bus of VSC for load leveling during low power generations or...
This work is primarily focused on the design and development of an efficient and cost effective solar photovoltaic generator (PVG) based water pumping system implying a switched reluctance motor (SRM) drive. The maximum extraction of available power from PVG is attained by introducing an incremental conductance (IC) maximum power point tracking (MPPT) controller with Landsman DC-DC converter as a...
High-current low-voltage (HCLV) rectifiers are used in the telecom industries, electroplating and induction heating system. Typical power rating of these rectifiers varies from tens of kW to hundreds of MW. In this paper, a three-phase three-level boost type PWM rectifier is proposed as an active front-end PFC scheme for telecom load. The proposed active front-end PFC converter is modeled by switching...
This paper presents the design of a micro-grid with permanent magnet brushless DC (PMBLDC) generator based wind energy conversion system (WECS) and Solar PV along with stand-alone loads. The output of the PMBLDC is converted to a controlled DC bus voltage using a PWM rectifier through which independent real and reactive power control are achieved. This DC bus is common to both solar PV and WECS. A...
In this paper, a complete simulation model of electric vehicle (EV) is developed by integrating all the subsystems of a PMBLDC motor driven three wheeler EV with basic dynamics of every component involved. This kind of analysis is essential for understanding the correlation between the vehicle control dynamics and the powertrain components. The performance of the entire EV system is evaluated for...
In this paper a front-end converter having third harmonic current injection technique is used for improving input current shape as near sinusoidal. Here zig-zag transformer is used as the current injection device so that the advantages pertaining to zig-zag transformer is utilized effectively. The third harmonic current injection device along with the three-level boost converter at the output stage...
This paper proposes the use of a sign-error based adaptive control for a three phase single stage grid-tied SPV (Solar Photovoltaic) system. The SPV grid tied system, consists of a SPV array, a voltage source converter (VSC), a ripple filter and three phase loads (balanced and unbalanced) connected to a 3 phase AC grid. The SPV array coupled with the VSC does two tasks namely: 1) provides active power...
In this paper, a switched capacitor (SC) buck boost converter is proposed as a front end converter for power factor correction at AC mains in switched reluctance motor (SRM) drive. Aiming at low power household applications, SRM is demonstrated as one of the fine selection because of its simple construction and winding free rotor. On the selection part, a buck boost converter serves the best results...
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