Owing to the economic, social, and political problems in expansion of transmission infrastructure, novel topologies are demand efficiently utilize existing infrastructure. On other hand, there is a tremendous increase wind power generation around globe. One main challenges hindering penetration large-scale network congestion due limited capacity. To address these two issues, this study develops co-optimized optimal switching (OTS) dynamic line rating (DLR) model optimize system resources by...

Generation expansion planning (GEP) problem involves determining new power plants in terms of type, capacity and allocation for meeting future load demands. The GEP incorporates large number constraints it is a highly complex, scale, non linear optimization problem. Large scale integration Renewable Energy systems (RES) has always been averted by the high cost poor availability rates RES as compared to conventional fossil fuel fired plants. However internalizing environmental externalities...

This paper proposes a three-phase dual-active-bridge (3p-DAB) dc-dc converter that utilizes resonant immittance network (3p-RIN) to achieve the unity power factor operation. The proposed 3p-RIN maintains operation at both ac links of 3p-DAB over full range operation; thus, mitigating reactive loss. It can perform ZVS as well for diminishing switching losses. For operation, operates in in-phase mode between primary and secondary side voltages, whereas lagging phase relationship respectively....

All power converters, including dual-active-bridge (DAB) dc–dc converter, cannot sustain a consistently high-efficiency performance over wide range of operating conditions, and reconfiguration operation mode represents viable solution to this fundamental problem. To meet challenge, resonant-type three-phase DAB (3p-DAB) converter incorporating reconfigurable resonant network has been proposed in article. The can operate either as 3p-DAB immittance (3p-DABRIC) or series (3p-DABSRC) enhance...

Scarcity of fossil fuels and pressing environmental concerns are the main driving factors towards paradigm shift from conventional to contemporary means energy harnessing. Likewise, transportation sector is also undergoing a tantamount change with electric vehicles now seen as an alternate internal combustion engine additional advantage supplying power grid during non-driving hours. However, their widespread deployment can cause serious problems operation like quality issues overloading...

Risk of global climate change and confronting tumbling carbon emissions necessitate new ways to collaboratively control optimize energy production load. Uncertainty in generation demand for electric require elastic capacity stochastic optimization schedules. The introduction time-variable tariffs is a loom attract consumers shift their loads into low periods. In this paper we will build model solve an economic dispatch problem with integration side response so that the can be shifted from...

A three-phase dual-active-bridge (3p-DAB) converter is an attractive topology for bidirectional power conversion in high-power applications. However, conduction and switching losses are two main loss mechanisms that severely affect its efficiency performance, adoption of any single modulation scheme or cannot minimize these over a wide operating range. For this purpose, reconfigurable the 3p-DAB proposed article utilizes tunable resonant network to offer multiple degrees freedom minimizing...

Energy harvesting from solar photovoltaic (PV) modules is affected by partial shading (contributes to mismatch issues), which in turn affects the entire system efficiency. Various power electronics converters have thus been investigated address issue due shading, where charges between PV submodules (typically, three a module) are redistributed. As representative of electronic-based techniques, differential processing (DPP) can improve extraction series-connected submodules. In this paper,...

A three-phase dual-active-bridge (3p-DAB) DC-DC converter employing resonant immittance network (3p-RIN) has been proposed in this paper to attain unity power factor operation at both ac-links of the 3p-DAB for mitigating reactive loss. Besides operation, can perform full ZVS as well all switches minimize switching The is performed by keeping primary and secondary bridge voltages phase whereas lagging relationship. For flow through regulated modulating internal shift angle, modulated...

With the world moving towards a more efficient future it is imperative that renewable energy sources be developed to replace current systems. Solar one of best available but solar systems are low in efficiency. In order maximize output from cells, we use method MPPT which enables real-time tracking maximum efficiency point. This can achieved by implementing microcontroller based system continuously calculates power generated PV panel and compares pre-defined graphical values estimate has...

Protective relaying system plays a vital role in ensuring the proper and smooth functioning of Power plant. As generator is most expensive part plant that’s why provision healthy protection must. Protection guarantees reliability safe operation called brain power system. Tarbela largest Pakistan considered as back bone Pakistan. In this paper, protective relay tested their results are presented. All relays Plant electromechanical types which were manufactured 1970-80. Setting, calculation...

Generator Excitation System is used to provide the DC supply field winding for producing magnetic in generator. It considered as a main part and backbone of system also provides stability power by controlling voltages which can be enhanced considering some key factors. In this paper performance evaluation new static excitation Tarbela station has been carried out. there are two types different generating units i.e. rotary Static system. test results state art presented compared with Some...

Exponential escalation in the energy requirements and depletion of mineral resources has forced scientists to recycle find most optimized way using left on earth. Transformers are consuming devices power distribution systems as use core winding a high content. In this paper solution been proposed solve problem provide with an optimization technique for minimum volume used develop transformers. The models materials, dependence material magnetization parameters uses genetic algorithm perform...

With the development of Smart Grids worldwide, efforts have been focused on optimizing role Grid in present electrical system. The integration renewable energy resources to grid presents a great challenge since they are intermittent and vary constantly causing frequency fluctuations. Automatic Generation Control (AGC) solves this problem by keeping close nominal value maintaining balance between generation demand. AGC has implemented various softwares as an added functionality. Power Systems...

The global trend towards electrification has significantly amplified public interest in electric vehicles (EVs). Concurrently, blockchain technology, characterized by its decentralized database and distributed ledger, emerged as game-changing breakthrough various sectors. Its key features, including immutability, transparency, traceability, auditability, security, authenticity, have prompted companies to recognize potential for integration into the EVs domain. As a result, number of research...

The increase in solar system installation worldwide has forced engineers to improve the overall efficiency of system. consists a power conditioning unit mostly which compromises converters and filters addition panels themselves. paper presents simulations discussions upon improvement hard switching using GaN transistors with various loads frequencies at 100v, ignoring conduction losses.

All power converters, including dual-active-bridge (DAB) DC-DC converter, cannot sustain a consistently high-efficiency performance over wide range of operating conditions, and reconfiguration operation mode represents viable solution to this fundamental problem. To meet challenge, resonant-type three-phase DAB (3p-DAB) converter incorporating reconfigurable resonant network (3p-RRN) has been proposed in paper. The can operate either as 3p-DAB immittance (3p-DABRIC) or series (3p-DABSRC)...

An accurate digital distance relaying scheme integrated with artificial neural network impedance estimator is developed using the weighted sum of negative-zero sequence components fault current assuming voltage and are in phase at location. The modified immune to variation location for under reach overreach problem caused by components. A series test conducted on a 800kV, 400km transmission line single ground faults as well simultaneous open conductor PSCAD/EMTP Matlab. Finally comparison...

Grid-connected energy storage systems are an enabling technology for the massive adoption of renewable such as solar PV and wind generation. As key components, DC switches should reliably protect elements, e.g., batteries ultracapacitors, from catastrophic failure modes improve system availability. However, electrical properties technologies pose new challenges opportunities different breaking technologies. This paper aims to give a brief overview several regarding their feasibility in...