International Electrical Engineering Journal (IEEJ) Vol. 6 (2015) No.10, pp. 2040-2047
... problem into a single objective one that assumes a (weighted or not) sum of the selected objective functions [8–9]. The major difficulty in this kind of problem consists in the incompatibility of different criteria. To create a global function, all criteria must be converted to the same measurement ...
... problem into a single objective one that assumes a (weighted or not) sum of the selected objective functions [8–9]. The major difficulty in this kind of problem consists in the incompatibility of different criteria. To create a global function, all criteria must be converted to the same measurement ...
pape
... between energy and delay are known since it is then possible to determine the lowest energy for a given level of performance. System level modifications can then be made to choose the optimal architecture, by choosing the appropriate level of parallelism to achieve the required level of throughput a ...
... between energy and delay are known since it is then possible to determine the lowest energy for a given level of performance. System level modifications can then be made to choose the optimal architecture, by choosing the appropriate level of parallelism to achieve the required level of throughput a ...
Vol.149, Complete PDF Edition
... from a planar gate cell structure through a trench cell structure and CSTBTs (IGBTs forming carrier accumulation layers), Si-IGBT chip technology has now reached the seventh-generation CSTBTs in which high performance is achieved by using ultra-thin wafer technology. In recent years, to create high- ...
... from a planar gate cell structure through a trench cell structure and CSTBTs (IGBTs forming carrier accumulation layers), Si-IGBT chip technology has now reached the seventh-generation CSTBTs in which high performance is achieved by using ultra-thin wafer technology. In recent years, to create high- ...
all other uses, in any ... © 2011 IEEE
... rotating speed. This will contribute to the active power balance during grid faults and help to extract the maximum power from the wind turbines [2]. Moreover, the converter should have the ability to handle variable fundamental frequency and voltage amplitude of the generator’s output. For the grid ...
... rotating speed. This will contribute to the active power balance during grid faults and help to extract the maximum power from the wind turbines [2]. Moreover, the converter should have the ability to handle variable fundamental frequency and voltage amplitude of the generator’s output. For the grid ...
Energy - TeacherWeb
... fusion. • Nuclear fusion occurs when the Sun and other stars convert a tiny amount of mass into an enormous amount of energy. ...
... fusion. • Nuclear fusion occurs when the Sun and other stars convert a tiny amount of mass into an enormous amount of energy. ...
M190 M210 Installation and Operation
... convenient 120Vac wall socket and providing an Ethernet connection to your broadband router or modem. After installation of the Envoy, the full network of Enphase Microinverters automatically begins reporting to the Enphase Enlighten web server. The Enlighten software presents current and historical ...
... convenient 120Vac wall socket and providing an Ethernet connection to your broadband router or modem. After installation of the Envoy, the full network of Enphase Microinverters automatically begins reporting to the Enphase Enlighten web server. The Enlighten software presents current and historical ...
PDF
... Fig. 5. Average packet energy consumption of the receiver subsystems for various degrees of parallelism. By using multiple sub-banks of correlators that operate in parallel, the number of Gold code shifts that can be checked in one cycle is increased, which reduces the number of repetitions required ...
... Fig. 5. Average packet energy consumption of the receiver subsystems for various degrees of parallelism. By using multiple sub-banks of correlators that operate in parallel, the number of Gold code shifts that can be checked in one cycle is increased, which reduces the number of repetitions required ...
RP 3P3 Energy Transfer - NC Science Wiki
... defines the equilibrium positions and spacing of the atomic nuclei in a molecule or an extended solid and the form of their combined electron charge distributions (e.g., chemical bonds, metals). Energy stored in fields within a system can also be described as potential energy. For any system where ...
... defines the equilibrium positions and spacing of the atomic nuclei in a molecule or an extended solid and the form of their combined electron charge distributions (e.g., chemical bonds, metals). Energy stored in fields within a system can also be described as potential energy. For any system where ...
A Control MPPT Algorithm for Wind Energy Conversion System
... potency curve goes into the negative region. In speedcontrolled WECS, the generation system will be stable as long as the commanded speed is less than that maximum speed. Generally, a speed loop will generator a torque command that will be translated into current commands to the machine control syst ...
... potency curve goes into the negative region. In speedcontrolled WECS, the generation system will be stable as long as the commanded speed is less than that maximum speed. Generally, a speed loop will generator a torque command that will be translated into current commands to the machine control syst ...
7810-13
... predictions, it has high confidence • Saturating counters: unbiased counter value or disagreement in two predictors low confidence • Distance: mpreds are clustered, hence the first 4 branches after a mispredict have low confidence ...
... predictions, it has high confidence • Saturating counters: unbiased counter value or disagreement in two predictors low confidence • Distance: mpreds are clustered, hence the first 4 branches after a mispredict have low confidence ...
DH34667671
... rotor is interface via a back to back partial scale power converter (VSC). Power converter are usually controlled utilizing vector control techniques which allow the decoupled control of both active and reactive power flow to the grid. TABLE 1 Below. Effect of various faults created at locations X a ...
... rotor is interface via a back to back partial scale power converter (VSC). Power converter are usually controlled utilizing vector control techniques which allow the decoupled control of both active and reactive power flow to the grid. TABLE 1 Below. Effect of various faults created at locations X a ...
Aalborg Universitet Low-Voltage Ride-Through Operation of Power Converters in Grid-Interactive
... which can equip the converters with the capability of positive sequence voltage recovery and negative sequence voltage suppression. Later, a LVRT strategy, which has a similar objective as that in [6], is illustrated in [16] by taking the network impedance impact into account. However, all the afore ...
... which can equip the converters with the capability of positive sequence voltage recovery and negative sequence voltage suppression. Later, a LVRT strategy, which has a similar objective as that in [6], is illustrated in [16] by taking the network impedance impact into account. However, all the afore ...
W. Rieutort-Louis, L. Huang, Y. Hu, J. Sanz Robinson, S. Wagner, J. C. Sturm, and N. Verma, "A Complete Fully Thin-film PV Harvesting and Power-management System on Plastic with On-sheet Battery Management and Wireles Power Delivery to Off-sheet Loads", IEEE Photovoltaic Spec. Conf. (PVSC), Paper 68, Tampa, Fl (JUN 2013).
... Fig. 8 shows the details of the battery-discharge regulator block. This block is connected to the solar module through the charge-blocking diode, Db1 , and it gates the current provided to an on-sheet load through the use of M1 to ensure safe discharge levels for the batteries. For analysis, a purel ...
... Fig. 8 shows the details of the battery-discharge regulator block. This block is connected to the solar module through the charge-blocking diode, Db1 , and it gates the current provided to an on-sheet load through the use of M1 to ensure safe discharge levels for the batteries. For analysis, a purel ...
PDF: 44.7MB
... Generation of IGBT development. It is now in widespread use as the preferred IGBT product on the market. However, the fine pattern and shallow surface diffusion technologies responsible for the features that make the H-Series a market leading technology are now near their limit. A new IGBT architect ...
... Generation of IGBT development. It is now in widespread use as the preferred IGBT product on the market. However, the fine pattern and shallow surface diffusion technologies responsible for the features that make the H-Series a market leading technology are now near their limit. A new IGBT architect ...
Review of Different Techniques used for Wireless Transmission of
... due to reduced power dissipation in power amplifier through zero voltage switching [25] that increased power transfer to coils [27-28]. Therefore, concerns in power efficiency of circuit components by [26] was addressed by class E power amplifier application in WPT. However, the application on WPT u ...
... due to reduced power dissipation in power amplifier through zero voltage switching [25] that increased power transfer to coils [27-28]. Therefore, concerns in power efficiency of circuit components by [26] was addressed by class E power amplifier application in WPT. However, the application on WPT u ...
IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE)
... Electric power system is a complex interconnected network of components such as generators, overhead conductors, underground cables, transformers, protective devices etc. The increasing problem of voltage instability among others on such a network is a serious operational challenge facing the electr ...
... Electric power system is a complex interconnected network of components such as generators, overhead conductors, underground cables, transformers, protective devices etc. The increasing problem of voltage instability among others on such a network is a serious operational challenge facing the electr ...
Aalborg Universitet Supercapacitors
... a battery pack and a SC pack. These packs are made up of a series of nSC and nbat cells (each cell weights mj and costs cj ); it is also assumed that the two packs are connected to the DC-bus through two DC/DC converters, operating in parallel. The mass of the battery considers not only the mass of ...
... a battery pack and a SC pack. These packs are made up of a series of nSC and nbat cells (each cell weights mj and costs cj ); it is also assumed that the two packs are connected to the DC-bus through two DC/DC converters, operating in parallel. The mass of the battery considers not only the mass of ...
MT144_004 - WordPress.com
... The second distinguishing feature is that capacitances and inductances can absorb, store, and then release energy, making it possible for a circuit to have an electrical life of its own even in the absence of any sources. For obvious reasons, capacitances and inductances are also referred to as ener ...
... The second distinguishing feature is that capacitances and inductances can absorb, store, and then release energy, making it possible for a circuit to have an electrical life of its own even in the absence of any sources. For obvious reasons, capacitances and inductances are also referred to as ener ...
Modeling of Electric Vehicles (EVs) for EV Grid Integration
... introduced by the intermittency of the renewable energy. At the same time, replacing conventional internal combustion engine (ICE) cars with EVs can reduce the “green house” gas emission from the transport sector. Therefore, the idea of replacing conventional ICE cars with EVs is expected to be real ...
... introduced by the intermittency of the renewable energy. At the same time, replacing conventional internal combustion engine (ICE) cars with EVs can reduce the “green house” gas emission from the transport sector. Therefore, the idea of replacing conventional ICE cars with EVs is expected to be real ...
chapter i introduction - Digital Collections Home
... energy more efficient. There exists a variety of avenues in making this type of technology more productive. For example, one branch of research deals with the solid state properties of the materials used in solar cells. This type of research focuses primarily on the properties of thin film silicon a ...
... energy more efficient. There exists a variety of avenues in making this type of technology more productive. For example, one branch of research deals with the solid state properties of the materials used in solar cells. This type of research focuses primarily on the properties of thin film silicon a ...
GY3412771280
... The main objective of this thesis is to provide new low power solutions for Very Large Scale Integration (VLSI) designers. Especially, this work focuses on the reduction of the power dissipation, which is showing an ever-increasing growth With the scaling down of the technologies. Various techniques ...
... The main objective of this thesis is to provide new low power solutions for Very Large Scale Integration (VLSI) designers. Especially, this work focuses on the reduction of the power dissipation, which is showing an ever-increasing growth With the scaling down of the technologies. Various techniques ...
Aalborg Universitet Improved control strategy for the three-phase grid-connected inverter
... As the LCL-filter-based three-phase grid-connected inverters with space vector pulse width modulation (SVPWM) have high input-voltage utilization rate, low total harmonic distortion (THD) of the grid current, zero steady-state error, and decoupled d-q current control loops, they are widely used in m ...
... As the LCL-filter-based three-phase grid-connected inverters with space vector pulse width modulation (SVPWM) have high input-voltage utilization rate, low total harmonic distortion (THD) of the grid current, zero steady-state error, and decoupled d-q current control loops, they are widely used in m ...
Distributed generation
Distributed energy, also district or decentralized energy is generated or stored by a variety of small, grid-connected devices referred to as distributed energy resources (DER) or distributed energy resource systems.Conventional power stations, such as coal-fired, gas and nuclear powered plants, as well as hydroelectric dams and large-scale solar power stations, are centralized and often require electricity to be transmitted over long distances. By contrast, DER systems are decentralized, modular and more flexible technologies, that are located close to the load they serve, albeit having capacities of only 10 megawatts (MW) or less.DER systems typically use renewable energy sources, including small hydro, biomass, biogas, solar power, wind power, and geothermal power, and increasingly play an important role for the electric power distribution system. A grid-connected device for electricity storage can also be classified as a DER system, and is often called a distributed energy storage system (DESS). By means of an interface, DER systems can be managed and coordinated within a smart grid. Distributed generation and storage enables collection of energy from many sources and may lower environmental impacts and improve security of supply.Microgrids are modern, localized, small-scale grids, contrary to the traditional, centralized electricity grid (macrogrid). Microgrids can disconnect from the centralized grid and operate autonomously, strengthen grid resilience and help mitigate grid disturbances. They are typically low-voltage AC grids, often use diesel generators, and are installed by the community they serve. Microgrids increasingly employ a mixture of different distributed energy resources, such as solar hybrid power systems, which reduce the amount of emitted carbon significantly.