Articles tagged with Power Distribution
A study by Carnegie Mellon researchers found that about 10% of US pipeline compressor stations are electric, making them vulnerable to electric outages. Electric outages could force a loss greater than 2 gigawatts of downstream gas generators, causing significant reductions in available gas.
A study by Carnegie Mellon University researcher Edson Severnini found that large-scale hydroelectric dams constructed in the US before 1950 spurred short- and long-term growth, while those built after 1950 had modest effects on local economies. The decline is attributed to advancements in high-tension transmission lines.
Researchers at the University of Waterloo analyzed a zero-carbon building in Canada and found that data-driven improvements helped reduce energy consumption by 15% without compromising comfort. The building is now on track to achieve its target, producing five percent more clean energy than it consumes and adding it to the Ontario grid.
Scientists develop a statistical model to describe how particles of different sizes jam together, revealing a common structure that can improve spatial efficiency in various industries. The study's findings have significant implications for applications involving particulate matter, such as construction, medicine, and food manufacturing.
A Rutgers researcher has analyzed data from Mexico's Ministry of Health to identify dengue fever hotspots, highlighting areas where severe outbreaks occur. The study found that lower socioeconomic status increases risk of dengue fever and that DENV-2 is the deadliest serotype.
Concordia researchers identify vulnerabilities in smart inverters to cyberattacks, including reconnaissance, replay, DDoS, and Man-in-the-Middle attacks. These attacks can disrupt energy flow and create power oscillations, severely impeding microgrid functionality.
A recent review article summarizes the latest developments in finite-control-set model predictive control (FCS-MPC) strategies for PMSMs. FCS-MPC is a promising approach to optimize drive systems, but challenges remain, including computational complexity and parameter uncertainty.
Nagoya University scientists developed a controller with a sleep mode to procure energy only when needed, reducing the need for storage batteries and capacitors. This innovative solution enables efficient energy saving and promotes the practical application of power packet type energy Internet.
Researchers at Oak Ridge National Laboratory have developed low-temperature methods to purify molten chloride salts for energy storage, potentially making them suitable for storing solar thermal energy. They also created an online tool called VERIFI to track industrial carbon emissions and improve energy efficiency.
A study by Cornell University engineers reveals that smart thermostats inadvertently cause peak demand on the grid during off-peak hours, offsetting greenhouse gas emissions benefits. The researchers propose educating consumers to use smart thermostats and staggering morning ramp-up times to mitigate this issue.
Researchers developed a computational model to determine optimal places for electric vehicle charging facilities and powerful stations without straining the local power grid. The model considers travel flow, user demand, and regional power infrastructure needs.
Researchers develop system to measure power distribution between sexes in animals, finding females rule in some species, with reproductive control as common thread. The study proposes a new framework to quantify intersexual power relationships across mammalian societies.
Researchers at Aalto University developed a simple, low-cost wireless charging system that provides efficient charging regardless of device position or orientation. The new design uses a cylindrical power coil to create a donut-shaped charging field, increasing convenience and reliability for consumer devices.
Researchers developed the Transactive Energy Service System (TESS) to automatically adjust a home's power use in response to fluctuating prices. The system increases the resiliency of the grid while saving both consumers and utilities money.
Researchers developed a machine-learning technique that can pinpoint anomalies in large datasets, such as power grid failures and traffic bottlenecks. The model uses advanced probability distributions to identify low-density values, allowing for faster and more accurate anomaly detection.
Researchers developed a new model to predict storm damage, allowing for effective resource allocation and reduction in societal consequences. The framework can be applied to various infrastructure systems and weather events, promoting better preparedness and response.
Researchers at Aalto University have developed a power transfer technology that allows for wireless charging regardless of device position or orientation. The system uses a grid of transmitters and receivers to capture magnetic flux, generating an electric current to charge devices.
A novel plan to deploy smart transactive energy systems on the US power grid could reduce daily load swings by 20-44% and save consumers up to $50 billion annually. By coordinating with utilities, consumers can dynamically control big energy users like heat pumps and electric vehicle charging stations.
A Penn State study integrates multiple models to capture climate-related interactions between water, power, and economic systems. Higher water temperatures can lead to a causal chain of events, including generator outages, higher costs, and productivity reductions.
Researchers have developed a new platform to design printed electronics with 2D materials, enabling the creation of high-performance flexible devices. The study identified key properties that need to be tweaked to control electronic charge transport, opening up possibilities for wearable devices, bio-implantable electronics and more.
The AI optimization improves the motor's power factor, reducing disruptions to the power grid. The optimized motor shows excellent performance, with improved efficiency and increased torque while drawing less current.
Researchers at Kobe University have developed a novel power control system for wireless power transfer, enabling precise and efficient energy transfer while reducing circuit components and costs. The system uses resonant frequency tracking and load impedance regulation to minimize power losses.
New research from Shibaura Institute of Technology reveals that spark plasma sintering produces highly dense MgB2 bulks with improved mechanical and superconducting properties. The resulting samples exhibit superior strengths and high trapped field performance, making them suitable for space applications and electric machines.
Wenxin Liu's research aims to improve the reliability of naval ships' power systems using advanced algorithmic design and hardware experimentation. He believes that his work has implications for civilian microgrid technology, which could lead to more efficient and flexible power distribution networks.
Researchers at the University of Nottingham have designed a new type of rechargeable battery that combines the performance merits of solid-oxide fuel cells and metal-air batteries. The salt battery can significantly extend the range of electric vehicles while being fully recyclable, environmentally-friendly, low-cost, and safe.
Researchers have created a new 'sun clock' using 200 years of sunspot observations to map solar activity over 18 solar cycles. The analysis reveals sharp transitions between quiet and active periods in solar activity, allowing scientists to estimate the risk of future solar superstorms.
Researchers have developed a new methodology that allows solid state lighting to measure and self-adjust its spectral power distribution based on environmental conditions. This enables the system to maintain consistency and stability over time, making it suitable for applications requiring precise light spectra.
Researchers assess the promise of gallium oxide as an ultrawide bandgap semiconductor, offering improved thermal management and gate dielectrics. Ga2O3's potential applications include high-voltage rectifiers in power conditioning and distribution systems, such as electric cars and photovoltaic solar systems.
Smart solid-state transformers could enhance the functionalities of tomorrow's power grid, but system designers need to ensure that customer power demand, renewable energy generation, and energy storage capacity are accounted for. The technology has the potential to improve efficient use of renewable energy and storage.
Researchers at TUM and Kyoto University demonstrated the transport of spin information in a unique boundary layer between lanthanum-aluminate and strontium-titanate materials. This breakthrough enables the potential for novel functionality in spin electronic components, overcoming limitations in traditional semiconductor technology.
A new analysis of UK workers found a significant association between certain occupations and an increased risk of bladder cancer. The study identified the greatest risk in workers within the chemical, rubber, and dye industries, as well as those in electrical, chemical, and transport roles.
A team of chemists and materials scientists at Umeå University has discovered a method to align polymer chains vertically, enabling ultra-fast charge transport. This breakthrough has implications for the production of efficient organic opto-electronic devices, such as solar cells and light-emitting diodes.
Researchers have identified a correlation between grain boundary misorientation angle and electrical transport properties in monolayer molybdenum disulfide. Increasing the merging angle of grain boundaries drastically improves electron flow, resulting in higher carrier mobility.
Research by Herman Aguinis and Kyle Bradley suggests that performance follows a power law distribution, leading to more common star performers. The study recommends transparency, fairness in policies, structuring work, training development interventions, employment decisions, and compensation to effectively manage and produce star perf...
Researchers at Notre Dame are developing mathematical algorithms to integrate plug-in hybrid electric vehicles into the power grid, anticipating optimization problems for various parties. The goal is to create an efficient system that benefits consumers, companies, and the environment.
The US electric grid is complex and vulnerable to failure, particularly with aging EHV transformers. The new 'Recovery Transformer' program aims to develop a modular, smaller, and lighter alternative that can be easily transported and installed.
To achieve accurate measurements, an ensemble of 400 atomic clocks is required. The researcher uses statistical calculations to counter challenges in distributing data without degrading clock performance. These algorithms rely on understanding past accuracy to establish reliable reference times.
A new Power Distribution Network Automation System (DINAS) has been developed to automatically locate and diagnose faults in distribution networks, restoring power supply instantly. The system uses advanced technology and algorithms to detect and isolate faults, reducing costs and response times for power companies.
Council decision-making in EU is influenced by both power and needs. The allocation of EU budget shares varies among member states based on their economic capacity and population size.
Recent studies indicate that electronic transmitters used by off-piste skiers to locate buried victims are ineffective due to limited range and prolonged rescue times. The signals only carry up to 50 meters and professional skiers take an average of 18 minutes to reach their companions, resulting in a low survival rate.
Researchers invent new way to see underground using electromagnetic energy, enabling better images at greater range and reducing drilling costs. The technique can also be used to characterize environmental problems and monitor remediation.
Researchers at Sandia National Laboratories have created microtransmissions, which can augment the power of tiny microengines by a significant margin. The new device increases power output by a factor of 3 million, generating enough force to move a one-pound object.
The PowerDigm solid-state transfer switch is being installed at Ford Motor Co.'s Sheldon Road Plant to protect against costly power interruptions. The switch can sense disturbances in one power source and automatically switch to a different source, improving reliability and reducing outages.