Development of grid‐interactive inverter utilising induction motor driven photovoltaic water pumping system

Vamja, Rajan V.; Mulla, Mahmadasraf A.

doi:10.1049/iet-pel.2020.0154

Cited by 3 publications

(4 citation statements)

References 27 publications

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“…The value of the DC-bus capacitor C dc is selected by considering the energy storage capacity of the capacitor under transient condition. The DC-bus capacitor is to provide sufficient energy when the load on the motor increases or decreases [17].…”

Section: Step 5: Design Of Dc-bus Capacitormentioning

confidence: 99%

“…where f rated denotes the rated frequency of motor voltage. The time angle for modulating signal is derived using a reference frequency f * as θ m = ∫ 2π f * dt = ∫ w * dt = w * t (17) where w * is the reference angular frequency.…”

Section: Control Of Vsimentioning

confidence: 99%

“…The value of the DC‐bus capacitor

()(, C_{dc})

is selected by considering the energy storage capacity of the capacitor under transient condition. The DC‐bus capacitor is to provide sufficient energy when the load on the motor increases or decreases [17].

\begin{matrix} right leftthickmathspace.5em \\ C_{normaldc} & = \frac{6 α V I t}{[V_{normaldc}^{2} - V_{normaldc 1}^{2}]} \\ = \frac{(6) (1.2) (230) (13.7) (0.004)}{[650^{2} - 620^{2}]} = 2381 μ F \end{matrix}

where

α

is the overloading factor.…”

Section: Design Of the Presented Systemmentioning

confidence: 99%

“…In recent years, many topologies were presented to increase the reliability of the SWPS in terms of water delivery [17][18][19][20]. In these topologies, a secondary energy source (battery or grid) is interfaced with the SWPS through an additional power electronics interface.…”

Section: Introductionmentioning

confidence: 99%

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Multipurpose battery‐assisted solar water pumping system for off‐grid applications: design and development

Vamja

Mulla

2020

IET Electric Power Applications

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Providing basic human needs like water and household electricity is a challenging task at remote locations. To support both needs, this study presents the development of a multipurpose battery-assisted solar water pumping system (SWPS). The system consists of only two power electronics converter, viz., bidirectional DC-DC converter, and three-phase voltage source inverter (VSI). The detailed control system is presented, where the DC-DC converter controls the battery power and also ensures the maximum utilisation of stand-alone solar photovoltaic source. In pumping operation, the VSI is operated as a variable frequency motor drive and rotates an induction motor (IM) at the rated power to deliver rated water discharge. In power supply operation, the household electrical load is connected between the mid-point of DC-bus and the star point of an IM winding. The VSI, along with motor inductance, realises the single-phase inverter, which is controlled with synchronous sine pulse-width modulation to deliver single-phase output. The motor does not rotate during this operation and the motor winding acts as a current filter. This multipurpose SWPS assures rated water discharge during the irrigation period and availability of electrical power in the remaining period. A prototype is developed and extensive experiments are performed to investigate system performances.

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Section: Step 5: Design Of Dc-bus Capacitormentioning

confidence: 99%

Section: Control Of Vsimentioning

confidence: 99%

“…The value of the DC‐bus capacitor

()(, C_{dc})

\begin{matrix} right leftthickmathspace.5em \\ C_{normaldc} & = \frac{6 α V I t}{[V_{normaldc}^{2} - V_{normaldc 1}^{2}]} \\ = \frac{(6) (1.2) (230) (13.7) (0.004)}{[650^{2} - 620^{2}]} = 2381 μ F \end{matrix}

where

α

is the overloading factor.…”

Section: Design Of the Presented Systemmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Multipurpose battery‐assisted solar water pumping system for off‐grid applications: design and development

Vamja

Mulla

2020

IET Electric Power Applications

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Reduced DC sensor based grid-interactive operation of single-stage solar photovoltaic water pumping system

Vamja

Mulla

2022

Energy Sources, Part A: Recovery, Utilization, and Environmenta

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Improved Control Strategy for Water Pumping System Fed by Intermittent Renewable Source

Ben Rhouma,

Roboam,

Belhadj

et al. 2023

Energies

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This paper focuses on a water pumping system fed by a hybrid (PV–Wind) generator. The water pumping system uses centrifugal pumps driven by variable speed Induction Motors (IM) controlled by a Field Oriented Control (FOC). The absence of battery storage to decouple sources and power demand is the main originality of the contribution, together with the typical adaptation of the FOC strategy. Furthermore, the absence of battery storage will consequently lead to fixing the system operating point at a steady state which is imposed both by the intermittent renewable energy sources and by the hydraulic load characteristics. The basic idea is then to adapt the system impedance by using the two degrees of freedom offered by the power source inverter in order to control, firstly, the DC bus voltage and, secondly, the rotor flux of the induction machine; the adaptation of the FOC strategy is based on this idea. Simulation results clearly confirmed by experimental investigations show the satisfying performance of the system even with variable powers of the intermittent renewable source.

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Development of grid‐interactive inverter utilising induction motor driven photovoltaic water pumping system

Cited by 3 publications

References 27 publications

Multipurpose battery‐assisted solar water pumping system for off‐grid applications: design and development

Multipurpose battery‐assisted solar water pumping system for off‐grid applications: design and development

Reduced DC sensor based grid-interactive operation of single-stage solar photovoltaic water pumping system

Improved Control Strategy for Water Pumping System Fed by Intermittent Renewable Source

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