Solar energy is a widely accessible, clean, and sustainable source. power harvesting in order to generate electricity on smart grids essential light of the present global crisis. However, highly variable nature solar radiation poses unique challenges for accurately predicting photovoltaic (PV) generation. Factors such as cloud cover, atmospheric conditions, seasonal variations significantly impact amount available conversion into electricity. Therefore, it precisely estimate output assess...

This paper uses data collected at Central and South West Services Fort Davis wind farm (USA) to develop a neural network based prediction of power produced by each turbine. The generated electric turbines changes rapidly because the continuous fluctuation speed direction. It is important for industry have capability perform this diagnostic purposes-lower-than-expected may be an early indicator need maintenance. In paper, characteristics generation are first evaluated in order establish...

This paper examines and compares regression artificial neural network models used for the estimation of wind turbine power curves. First, characteristics generation are investigated. Then, curve using both methods presented compared. The parameter estimates model training completed with farm data, performances two studied. is shown to be function dependent, obtains its through learning. found possess better performance than under complicated influence factors.

Microgrids, as individual controllable entities that can operate either islanded from or interconnected to main power grid, have emerged a promising solution improving energy efficiency and resilience disturbance. When linked together in self-organized manner, cluster of microgrids significantly enhance the reliability quality for critical load. With this insight, we study self-organization decentralized management microgrid grid after disruptive event. In stage, depending on available...

Microgrid combines with Distributed Energy Resources (DERs), energy storage, and controllable loads. It is connected to the maingrid through point of common coupling (PCC). Economic dispatch using reduced gradient method implemented for optimization in microgrid MATLAB. The obtained by minimizing cost function system while meeting load demand. operation & maintenance cost, investment costs are considered functions microsources. minimum total comparing different scenarios microsources microgrid.

This paper makes use of electric vehicles (EVs) that are simultaneously connected to the Photovoltaic Cells (PV) and power grid. In micro-grids, batteries used as a source feed grid in peak demands electricity. EVs can help regulation by storing excess solar energy returning it during high demand hours. proposes new architecture micro-grids using rooftop system, Battery Electric Vehicles (BEVs), inverters, boost converter, bidirectional half-bridge output filter, including L, LC, or LCL,...

This paper presents a 100-kV high frequency transformer/rectifier package, which is capable of dual output polarity operation. An H-Bridge inverter drives the primary voltage (HV) transformer at 20 kHz. The driven by Microchip dsPIC33F digital signal controller using peak current mode control with adaptive slope compensation. HV-tank has two HV-coax cables grounded shield on each cable. If center conductor coax cable designated as negative grounded, positive obtained from and vice versa....

A microgrid integrated with Distributed Energy Resources (DERs), Storage, and Controllable Loads along critical non-critical loads is considered. The operation maintenance cost (O&M) optimization performed by the Economic Dispatch using Reduced Gradient Method in grid connected mode of microgrid. minimized function system must be obtained for O&M while meeting load demand. includes generated energy each source also purchased from utility. For obtaining minimum system, reduced gradient...

Shortage of power generation results in unplanned load shedding. Active participation the people on demand side provides a solution by moving loads from peak time to off/peak hours during day. This paper presents Demand Side Management (DSM) that includes rooftop photovoltaic system, Battery Storage System (BSS), hybrid control and grid-tie inverter reduce demands. The controller ensures maximum solar generated is used or stored batteries for given load, any excess energy feeds grid. In this...

This paper provides an overview of battery technologies and the grid-connected projects that integrate wind. It also discusses deployment a system at Reese Technology Center (RTC) in Texas. The research RTC involves deploying energy storage devices (i.e. Batteries with grid-tie inverters) for application wind farms to understand interaction between energy, grid loads. work focus on modeling turbines when it is connected grid, aim optimized flow battery, farm, utility management storage,...

SiC SGTO thyristors are an advanced solution for increasing the power density of medium voltage electronics. However, these devices to replace Si thyristor technology in industrial applications their characteristics and failure modes must be understood. This letter presents two 15-kV during repetitive overcurrent conditions. The were evaluated with 2-kA (3.85 kA/cm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> ) square pulses 100 μs...

A variety of basic magnetic flux compression (MFC) generator geometries have been tested during the last three decades. Though size and operating regimes differ widely, it is apparent that helical most promising concept with respect to current amplification compactness. geometry (dynamically expanding armature in center a carrying helix) seems be basic, turns out understanding all involved processes rather difficult. This fact from present lack computer model solely based on physical...

This paper provides steady-state and transient analysis of the equivalent circuit 1 MWh battery tied to grid for wind integration. It also discusses installation a system at Reese Technology Center (RTC) in Lubbock, Texas. The research involves deploying energy storage devices application with turbine model understand behavior under three phase fault conditions. A MW/1 RTC is connected South Plains Electric Cooperative (SPEC) grid. batteries are used mitigation conditions dynamics. In this...

We designed and build a rapid capacitor charger for 10 Hz, 500 J/shot operation of low-inductance, compact Marx generator. The uses hard-switched IGBT H-Bridge Inverter, which drives 30 kHz, nano- crystalline step-up transformer. transformer, in addition to the high-voltage rectifier trigger- transformer are contained section is filled with oil. main circuit board also contains solid-state generator trigger implemented self-powered HV-feedback sensor stop charge process precisely at target...

We are developing compact, high-power chargers for rapid charging of energy storage capacitors. The main application is presently the capacitors inside compact Marx generators reprated operation. Compact produce output pulses with amplitudes above 300 kV ns or subns rise-times. A typical generation high power microwaves. Initially all in a generator charged parallel. During so-called erection cycle, connected series. voltage parallel configuration around 40-50 kV. input our charger range...

The RCC (rapid capacitor charger) previously developed at the P3E Center [1] has been adapted to charge an 1800 J PFN (pulse forming network) for rep-rated operation. entire automated system test and evaluate SGTOs (Super Gate turn-off Thyristors) runs a 1 Hertz repetition rate; thus requiring power supply within 500 ms have 3.6 kJ/s average capability allow data acquisition storage between shots. hard-switching H-bridge topology with 10 kW burst mode handling is very well suited this...

Abstract Solar power is mostly influenced by solar irradiation, weather conditions, array mismatches and partial shading conditions. Therefore, before installing arrays, it necessary to simulate determine the possible generated. Maximum point tracking needed in order make sure that, at any time, maximum will be extracted from photovoltaic system. However, not a suitable solution for To overcome drawbacks of due shadows, distributed utilized this paper. The farm can different ways, including...

The pulsed power conditioning system (PPCS) is one of the key enabling technologies for using energy output a magnetic flux compression generator (MFCG). This paper shows results comprehensive experimental studies an inductive storage exploding wire fuse. effects metal oxide varistors (MOVs) use as pulse-shaping devices are also presented. complemented by evaluation and interpretation tools available in professional version MathCAD.

We are reporting on a High-Voltage Impulse Generator, which consists of step-up transformer, is driven by new HV-IGBTs (High-Voltage Isolated Gate Bipolar Transistors). The individually packaged silicon-dies intended for Pulsed-Power Applications. silicon dies normally in large modules locomotive motor drives and similar traction applications. In our work we used the Powerex QIS4506001 discrete IGBT QRS4506001 diode, both with nominal rating 4500V/60A, derived from continuous- duty Our...

Recent advancement in Power System Analysis shows that implementation of PMU (Phasor Measurement Unit) Smart Grid playing a significant role over SCADA. The main reasoning for is more sampling data than traditional SCADA system. Every like voltage, current and Phase angle gives samples every second which helpful event detection. enormous send by each energies the big issue. To find out predict transient situation even small disturbances or anomalies from analysis within specified short...

Power system flexibility is becoming increasingly critical in modern power systems due to the quick switch from fossil fuel-based generation renewables, old-fashioned infrastructures, and a sharp rise demand. If complies with financial restrictions responds quickly unforeseen shifts supply demand, it can be considered flexible. It ramp up production during periods of high demand or increase unanticipated scheduled events. The broad use renewable energy grid provide environmental economic...

The increased interest in radio-frequency (RF) weapons for electronic warfare has the demand rapid capacitor chargers. In most cases these charger have to operate from a DC power source and typically charge bank (Marx bank) at rate of about 10 Hz. Besides requirements energy delivery, space constraints are crucial. order fulfill both, major components be operated above their specifications. However, they only need perform short burst with enough time between events enable use thermal inertia.

This paper shows computer models for common switch-mode converters with averaged and conventional cycle by switching operation. Models the buck, boost, buck-boost, Cuk converter are presented. Also shown buck boost integrated magnetic components. All time using an identical model PWM switch. The implemented PSpice(R) Windows(R). advantage of much faster execution as well ability to perform frequency domain (bode plots) analysis in addition analysis.