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1099 articles for “electric power”
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Design of Universal Coil for Medium Voltage Switchgear
Abstract: In the market, currently multiple ratings of D.C. voltages are available for the auxiliary supply of medium voltage switchgear. There is a wide range of D.C. supplies used in the medium voltage segment like 24 V, 30 V, 48 V, 60 V, 110 V, 125 V and 220 V. Normally the closing coil and tripping coil of a circuit breaker are designed for a specific auxiliary supply voltage which leads …
Published in Recent Trends in Sensor Research & Technology · Vol. 4, Issue 2, 2017 · pp. 26–30 Read article
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Wireless Annunciator Window for Substation Application with GSM Facility
Abstract: The work aim is to understand and design of wireless communication between annunciator window and circuit breaker, relay, transformers etc. located in switchyard of power substation. The wireless communication methods are more reliable, convenient, economical, and faster as compared to the actual wire communication system. In this paper, we have used a GSM system for sending wireless signal to the annunciator window. GSM system supports to transfer the information over …
Published in Journal of Power Electronics and Power Systems · Vol. 7, Issue 1, 2017 · pp. 22–27 Read article
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A New Nine Level Hybrid Multilevel Inverter
Abstract: Multilevel inverters (MLI’s) have been used widely for high power and medium power DC-AC conversion. Researchers are working to reduce total effective cost and enhance the working efficiency of the multilevel inverter. This paper presents a new multilevel hybrid inverter which utilizes eight active powers electronics switches along with asymmetric DC voltage source configuration to synthesize 9-level waveform and produces lower total harmonic distortion (THD) profile comparisons to present typical …
Published in Trends in Electrical Engineering · Vol. 6, Issue 1, 2016 · pp. 17–25 Read article
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A Contribution to the Frequency and Transient Analysis of High Voltage Bushings
Abstract: The paper suggests a method for determining the frequency characteristics and transient response of capacitively graded high voltage bushings. It is based on an s-domain circuit model that describes the grading conducting foils and the insulating layers. In most cases, they are of different axial lengths. A system of simultaneous differential and algebraic equations is derived taking these differences into account. Its closed-form solution, subject to the boundary conditions, can …
Published in Journal of Power Electronics and Power Systems · Vol. 9, Issue 1, 2019 · pp. 15–26 Read article
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Analysis of Hybrid Photovoltaic Thermal (PV/T) Integrated Solar Dryer: An Experimental Validation
Abstract: In this study, a hybrid photovoltaic thermal (PV/T) integrated solar dryer has been designed, developed, and experimentally analyzed to evaluate its performance in real-world climatic conditions. The system incorporates a UV-stabilized sheet mixed-mode tent house structure, installed on the rooftop of a building located in Bhilai, Chhattisgarh, India. The dryer is equipped with a thermal collector directly connected to the drying chamber to enhance heat transfer efficiency. Experiments were conducted …
Published in Journal of Thermal Engineering and Applications · Vol. 13, Issue 1, 2026 · pp. 1–6 Read article
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Minimization of Steady State Error of DC Motor Drive Using PID Controller
Abstract: As it is the time of advanced technology, machinery implementation is increasing very rapidly. Industries always work with the implemented technology which gives the fast and accurate response of the system. This paper includes the dc motor speed controlling using the PID controller. Close loop control system and electrical drives have the advantageous system for the technology. DC motor is used for getting best and easiest speed and torque control …
Published in Journal of Power Electronics and Power Systems · Vol. 8, Issue 2, 2018 · pp. 25–29 Read article
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Design of a Wireless Protection Scheme for Smart-Grid-Based Industrial Systems
Abstract: This paper illustrates the design of an alternative current measuring method which can be used for the protection of electrical machines, especially generators and motors, used in oil and gas industry. A comparison is made between the use of Hall effect sensors and current transformers for fault current detection. Also, different wireless communication methods that can be used in accordance with Hall effect sensors for detecting faulty conditions are discussed. …
Published in Journal of Power Electronics and Power Systems · Vol. 7, Issue 3, 2017 · pp. 30–37 Read article
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Speed Control of A Doubly Fed Induction Motor using Integral Plus Proportional Controller
Abstract: Conventionally, the speed control manipulate of Doubly-Fed Induction Motor (DFIM) has been developed primarily which is based on traditional Proportional-Plus-Integral (PI) controller due to its simple construction and implementation. The steady-state error minimization, overshoot removal and disturbance rejection are not possible in which the benefits of PI controller are chosen through trial and errors approach. The steady-state error and disturbance rejection may be viable, if the benefits of Proportional-Plus-Integral controller …
Published in Journal of Power Electronics and Power Systems · Vol. 7, Issue 3, 2017 · pp. 38–46 Read article
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Design and Arduino Implementation of Artificial Neural Network Based Intelligent Power Management System of Bangladesh
Abstract: The research contrivance is to maintain and control load detachment or shedding in local distribution area and also utilize different types of power generation units such as conventional and non-conventional energy sources. The artificial neural network will anticipate, predict and exploit idea when generation is insufficient to meet the load demand. If the demand for the load is more than a generation, the artificial neural network will acknowledge the specific …
Published in Journal of Power Electronics and Power Systems · Vol. 7, Issue 3, 2017 · pp. 17–29 Read article
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Performance Analysis of Combined Application of FACTS and HVDC Parallel Tie-Line for Interconnection and Synchronization of Large Thermal Power Grid
Abstract: This research work shows the working principle of two combined cases and application of flexible AC transmission system tie-line and high voltage direct current tie-line for interconnection and synchronization of two large thermal power grid system of 12 areas when load disturbance occurred in power grid-1 ΔPL6 = 0.01 pu. This research work is done with two interconnected linear, conventional and traditional thermal power grid system of 12 areas accepted …
Published in Journal of Power Electronics and Power Systems · Vol. 7, Issue 3, 2017 · pp. 1–16 Read article
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Supercapacitor-Battery Hybridization to Prevent Battery Life for Pulsed Load Applications
Abstract: Management of power in the pulsed load applications has become a significant issue when it comes to the battery backup systems. For the pulsed load applications, deep discharge of the battery and battery health problems are very well known. In this paper, an attempt is made to overcome these key challenges by connecting a high power density device, ultracapacitor (super capacitor) in parallel with the battery. The role of ultracapacitor …
Published in Journal of Power Electronics and Power Systems · Vol. 8, Issue 1, 2018 · pp. 1–15 Read article
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Return on Investments and Payback Period Calculations for Solar Rooftop Power Plants: A Case Study for Gujarat, India
Abstract: Solar roof-top and ground-top systems are proven technology now-a-days. The roof-top systems are becoming popular in residential, commercial and industrial consumers. This paper deals with payback period calculations for 1 kW and 2 kW domestic and 15 kW industrial users at Rajkot, Gujarat, India. Different solar PV investment models are discussed here in this paper. Actual solar power generation data, as well as the project data for the different sites, …
Published in Journal of Power Electronics and Power Systems · Vol. 8, Issue 1, 2018 · pp. 24–28 Read article
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No Cost Energy Conservation Measures (NCECM) Leads to Energy Saving: A Fad or Truth
Abstract: World known fossil fuel reserve is limited and expected to last until the end of this century if we continue to use it at the present rate. In order to maintain the ever-rising energy demand, we need to reduce the demand while increasing the generation besides looking for alternative energy sources including renewable energy. Conducting the energy audit to identify No Cost Energy Conservation Measures (NCECM) and implementation of the …
Published in Journal of Power Electronics and Power Systems · Vol. 8, Issue 1, 2018 · pp. 53–59 Read article
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Application of Dynamic Phasor Model as an Alternative to DFT in Phasor Measurement
Abstract: This paper presents the application of dynamic phasor based models as an alternative to the Discrete Fourier Transform (DFT) commonly used in the Phasor Measurement Units (PMU). The paper demonstrates that the computation of a phasor using DFT in discrete time domain is equivalent to the computation of phasor (Dynamic Phasor) in continuous time domain. This paper proposes the application of dynamic phasor based models to simulate a Wide Area …
Published in Journal of Power Electronics and Power Systems · Vol. 8, Issue 1, 2018 · pp. 46–52 Read article
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Reactive Power Optimization using Particle Swarm Optimization with Time Varying-Acceleration Coefficient
Abstract: This paper presents an approach for the solution of reactive power optimization problem. In deregulated power system operations, reactive power optimization helps the system operator to maintain system security with the economy. The application of the time-varying acceleration constant-particle swarm optimization (TVAC-PSO) method for the solution of this problem is emphasized. The real power losses of the system are minimized satisfying power balance, generator reactive power operating limit and voltage …
Published in Journal of Power Electronics and Power Systems · Vol. 8, Issue 2, 2018 · pp. 1–10 Read article
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Power Framework Steadiness Change Utilizing UPFC
Abstract: This study presents utilization of UPFC in enhancing the voltage profile and upgrading the power framework security. UPFC can enhance the framework solidness when contrasted with different FACTS gadgets, with the assistance of UPFC. It is watched that the solidness of framework can be enhanced and voltage profiles straighten fundamentally with fusing UPFC. Keywords: UPFC, voltage profile, power system stability, PWMCite this ArtclePravin Thorat, Lakade CR. Power Framework Steadiness Change …
Published in Journal of Power Electronics and Power Systems · Vol. 8, Issue 2, 2018 · pp. 38–43 Read article
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Fault Tolerant Inverter for BLDC Drives
Abstract: In this study, fault tolerant inverter for BLDC drives is used for aerospace application. In such application, the human intervention is limited. So, the fault tolerant control of BLDC motor is of great importance for its continuous operating capacity even under the faulty situation. Over voltage and over current phenomenon occur in system due to switching faults, so a fault isolation and system reconfiguration method is presented. This method can …
Published in Journal of Power Electronics and Power Systems · Vol. 8, Issue 3, 2018 · pp. 31–38 Read article
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Comparative Study of Torque Ripple Minimization of PMSM using PI and Proportional Resonant (PI-RES) Controller
Abstract: The minimization of speed ripple of the permanent magnet synchronous motors (PMSM) in low speed range becomes a major problem while applying the PMSM to refrigerant system. Earlier, an iterative learning controller was applied in conjunction with the conventional proportional integral (PI) speed controller to minimize the speed ripple. Here, a frequency variable resonance controller is applied in conjunction with the conventional proportional integral speed controller as a PI-RES controller, …
Published in Journal of Power Electronics and Power Systems · Vol. 8, Issue 3, 2018 · pp. 17–23 Read article
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PV-Wind-Battery based Isolated Grid Connected System
Abstract: Photovoltaic (PV)-wind-battery based multi-input isolated bidirectional converter for grid connected system is presented. The proposed system aims to satisfy the load requirements, manage the power flow from multiple sources and charge the battery by the excess power supplied by the renewable energy sources. A bidirectional buck-boost converter is used to harness power from PV along with the battery, while an isolated boost half-bridge converter is used to harness power from …
Published in Journal of Power Electronics and Power Systems · Vol. 8, Issue 3, 2018 · pp. 57–63 Read article
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High Gain High Efficiency Single Switch DC–DC Converter for Green Power Source Conversion
Abstract: Efficiency of solar cell is very low and it is preferred to be operated at low voltages; so it is difficult to supply power to a certain load. Conventional boost converter offers limited gain. So a high voltage boosting is needed. Proposed converter consists of coupled inductor and switched capacitor technique to achieve high gain without high duty ratio and turns ratio. In the magnetic field of coupled inductor and …
Published in Journal of Power Electronics and Power Systems · Vol. 8, Issue 3, 2018 · pp. 46–56 Read article