scispace - formally typeset
Search or ask a question

Answers from top 10 papers

More filters
Papers (10)Insight
Therefore, it is paramount to assure the correct power supply.
This system can meet the multi-quality electric power requirements of customers, and ensures voltage stability and uninterruptible power supply function as well.
Open accessProceedings ArticleDOI
L.C. Cadwallader, P.I. Petersen 
01 Sep 2005
8 Citations
Studying power supply reliability supports safety assessment, machine availability assessment and can potentially improve power supply performance.
Proceedings ArticleDOI
11 Jul 2010
3 Citations
Life support failures and supply variations can be survivable if effective solutions are provided by the system design
It contributes to the promotion of reliability in the uninterruptible power supply device in communication system.
It may also support the future life extension programme of a power plant.
Therefore, we propose a supporting expert system for the outage planning retaining high power supply reliability.
The results showed that the proposed system could supply high-quality power under several conditions.
In this paper, we propose a new method to evaluate mean life of power system equipment with limited end-of-life failure data.
Under control of an engineered system, a reliable life-support system can hence be provided for.

Related Questions

What are the different types of support systems that exist for individuals?4 answersVarious types of support systems for individuals include body support systems, person-support surfaces, and online supportive systems. Body support systems consist of layers of 3D spacer fabric and pressure relief materials to reduce pressure points and provide comfort. Person-support surfaces involve non-powered mattresses with air impermeable layers to facilitate airflow and comfort. Online supportive systems are evolving through social media and online environments to aid in continuous learning and professional development, focusing on user-generated content and enduring activity. These diverse support systems cater to different needs, from physical comfort to educational and professional growth, showcasing the versatility and adaptability of support mechanisms in various aspects of individuals' lives.
What is power supply in electrical?5 answersA power supply in electrical engineering is a crucial component that converts AC voltage from a source into stable DC voltages required for electronic devices to function properly. Power supplies play a vital role in ensuring the efficient operation of various electrical and electronic applications by providing reliable and regulated power outputs. They are essential for powering computers, electronic equipment, and other devices, ensuring that they receive the correct voltage levels for optimal performance. Power supplies also undergo rigorous testing to analyze power quality, including factors like Total Harmonic Distortion and Power Factor, to meet stringent standards and regulations. Additionally, advancements in power systems involve the use of sophisticated control devices like FACTS to enhance power grid efficiency and resiliency during failures or heavy utilization periods.
What are the different types of active power filters?5 answersActive power filters (APFs) are used to improve power quality in power systems. Based on the abstracts provided, there are several types of APFs. The first type is the shunt APF, which is used to mitigate source current harmonics and improve power factor. The second type is the series APF, which is used to mitigate voltage problems such as sags, swells, transients, dips, and distortions. The third type is the unified power quality conditioner (UPQC), which is used for both voltage and current problems. The fourth type is the hybrid APF, which combines different types of APFs to address various power quality issues. Additionally, there are other classifications of APFs, including parallel type, series type, and hybrid type. These different types of APFs provide researchers and engineers with options for addressing specific power quality problems in power systems.
What is the definition of power supply?4 answersA power supply is a device that provides electrical energy to other devices or systems. It typically consists of multiple power supply units, each with an input for receiving energy from a source and an output for providing energy to the device or system. Power supplies can include primary and secondary circuits, with MOSFETs and capacitors for power conversion and storage. They can also incorporate components such as batteries, inverters, and precharge circuits for specific applications, such as driving motors. Power supplies may have casings made of heat-conducting materials for efficient heat dissipation and water resistance. Additionally, power supply devices can include power supply circuits, signal input-and-output portions, and arithmetic circuits for controlling and computing power supply voltages.
What is the definition of a life-saving boat?5 answersA life-saving boat is a type of boat designed to rescue people in emergency situations, particularly in water-related incidents. These boats are equipped with various features and mechanisms to ensure the safety of both rescuers and those being rescued. The life-saving boat chairis a simple and convenient chair that can be transformed into an escape chair in dangerous conditions. The life-saving floating boatis capable of remotely dispatching rescue and has propeller devices for propulsion. The life-saving boat launching devicehas a support frame with a glide and a propulsion force generation unit using compressed air. The remote control boat with an expansible auxiliary tubeis controlled remotely and has an auxiliary tube that expands to save drowning persons. The life-saving unmanned boat carrying a turnover type life saving devicehas a rotating bracket and a pocket basket for effective water rescue.
What are the latest advances in power supply technology for medical equipment?5 answersThe latest advances in power supply technology for medical equipment include the development of dedicated external power supplies that can provide suitable operating voltage for medical equipment in environments without power. These external power supplies can also serve as a power source for medical equipment while simultaneously being charged by a power adapter, improving convenience and wide application in the field of power. Another advancement is the use of supercapacitors as emergency power supplies, which offer advantages such as small volume, longer service lifetime, and high reliability compared to batteries. The use of supercapacitors as emergency power supplies improves the convenience, reduces the volume, prolongs the service lifetime of machinery, and enhances reliability of medical equipment. Additionally, the design of high voltage circuits, such as flyback converters, has been proposed for medical applications, providing high voltage low current generation with decreased size, simplicity, and low cost. Furthermore, power source devices have been developed to reliably supply power from a reserve power source even when the main power source fails, ensuring continuous power supply for medical devices.

See what other people are reading

What is the significance of IC50 values in predicting the efficacy of anti-depression drugs?
5 answers
IC50 values play a crucial role in predicting the efficacy of anti-depression drugs by measuring the potency of drug inhibition against specific biological targets. These values are essential in determining the quantity of a drug needed to inhibit a biological process by half, providing insights into drug effectiveness. Additionally, converting IC50 values to PIC50 values through negative logarithm representation aids in better data analysis, comparability, and understanding of drug potency. In the context of depression treatment, predicting drug response through IC50 values is vital for precision medicine, with regression-based machine learning and deep learning models showing promise in accurately predicting drug responsiveness. Furthermore, markers indicative of brain bioenergetic states, determined through methods like 31 P MRS, can help assess a patient's response to anti-depression therapy.
What are the main electrical and agricultural variables of interest to measure in an agrivoltaic system?
5 answers
The main electrical variables of interest in an agrivoltaic system include solar irradiance, photosynthetic photon flux density, and power generation. On the other hand, key agricultural variables to measure are crop behavior under shading, spatial distribution of solar radiation on crop land, start date of cultivation, harvest period, agricultural production, and income generation. These variables are crucial for optimizing the interaction between the photovoltaic panels and agricultural activities, ensuring efficient energy production and sustainable crop growth while maximizing land productivity and economic benefits. By monitoring and analyzing these electrical and agricultural parameters, agrivoltaic systems can be effectively designed and managed to achieve the dual goals of renewable energy generation and agricultural productivity in a harmonious manner.
How did the second industrial revolution in america since 1840 affects the native america?
5 answers
The Second Industrial Revolution in America since 1840 had significant impacts on the native population. The industrial advancements, such as the development of electricity, steel, automobiles, and aircraft, led to a shift from rural to urban society, attracting millions of migrants mainly seeking economic opportunities. This influx of laborers resulted in overcrowded cities, low wages, dangerous working conditions, and labor dissatisfaction, culminating in strikes and unrest. Additionally, the economic success of the U.S. during this period led to a crisis marked by disorder and deep societal changes, affecting both American capitalism and the empire. The industrial revolution also brought about the displacement and exploitation of workers, particularly impacting disadvantaged groups like black workers.
How to check validity instrument?
5 answers
To check the validity of an instrument, various methods can be employed based on the nature of the research and the instrument being used. One common approach is to conduct validity tests using methods like Corrected Item to Total Correlation and reliability tests using Cronbach's Alpha. Another method involves receiving amplification data from a validation plate, generating amplification curves, determining fluorescence thresholds, and assessing distinguishability based on Cycle Threshold (Ct) values. Additionally, in the context of heterogeneous treatment effect models, a nonparametric test can be utilized to test instrument validity, inferring testable implications through a variance-weighted Kolmogorov-Smirnov test statistic without the need for smoothing parameters. These methods provide systematic ways to ensure the validity of instruments used in research and assessment processes.
What is the main methodology formulation in environmnrtal impact assessment on distribution of electrical power?
4 answers
The main methodology formulation in environmental impact assessment on the distribution of electrical power involves analyzing the electric and magnetic fields produced by high voltage overhead transmission lines and ensuring compliance with international exposure guidelines. Additionally, the integration of smart monitoring in power distribution systems plays a crucial role in enhancing overall system reliability, with a focus on communication infrastructure and real-time monitoring. Furthermore, the transition to electric vehicles for transportation introduces challenges to power distribution networks, necessitating a methodological framework to assess the impact of plug-in electric vehicles on system loading and voltage regulation. Overall, these methodologies encompass evaluating field distributions, reliability indices, and power flow calculations to address environmental impacts and enhance the efficiency and reliability of electrical power distribution systems.
How does the employer attractiveness scale vary across different industries and countries?
10 answers
The employer attractiveness scale, a concept crucial for recruitment and retention strategies, exhibits significant variation across different industries and countries, influenced by cultural, demographic, and sector-specific factors. In the Vietnamese context, a study identified dimensions of employer attractiveness including social, development, application, safety, and economic values, with safety value being a unique addition. This indicates that in certain cultures, specific attributes such as workplace safety can significantly contribute to an organization's attractiveness. Similarly, the apparel industry in Sri Lanka faces a labor deficiency, with findings showing that demographic factors like gender, age, and previous employment experience influence the perceived attractiveness of employers, highlighting the importance of economic value for males and social value for females. Further research has expanded the employer attractiveness scale by incorporating the authenticity of the workplace, suggesting that genuine work environments enhance attractiveness. In the air transport industry, a study introduced the AirEmpAt scale, identifying functional, psychological, and economic values as key dimensions, tailored to the industry's specific needs. Cross-country comparisons between the U.S. and Germany revealed that public sector jobs are viewed more positively than private sector ones, challenging common perceptions and indicating that sector preferences can vary significantly across different administrative traditions. A study among Czech business students highlighted national, cultural, and gender differences in employer attractiveness, suggesting the need for tailored recruitment strategies. The concept of employer attractiveness has been linked to organizational success in attracting and retaining talent, emphasizing the importance of understanding specific attributes that potential employees seek. In China, dimensions of employer attractiveness were identified as salary and development systems, work environment, recruitment process, nature of work, and enterprise brand strength. Lastly, a Hungarian study found demographic variables significantly affect employer attractiveness, uncovering job conditions and type of work as new attributes. These studies collectively illustrate that employer attractiveness is a multifaceted concept influenced by a myriad of factors, including cultural nuances, industry-specific needs, and demographic variables, necessitating a nuanced approach to employer branding and recruitment strategies across different contexts.
What are the current trends in the integration of hybrid energy sources for electric vehicle charging stations (EVCS)?
5 answers
Current trends in the integration of hybrid energy sources for electric vehicle charging stations (EVCS) focus on optimizing renewable energy utilization and enhancing charging infrastructure. The use of solar and wind power, along with energy storage systems, in hybrid renewable energy-based EVCS ensures sustainable and uninterrupted charging. Coordinated EV scheduling, incorporating vehicle-to-grid (V2G) technology, aids in managing energy demand efficiently and reducing grid congestion. Common DC bus charging infrastructure, integrating solar PV and fuel cells, enables fast charging and seamless transition during grid availability/unavailability modes. Additionally, the adoption of renewable energy sources like photovoltaic and wind for EVCS not only promotes eco-friendliness but also reduces grid dependency and enhances cost-effectiveness.
How does the academic workload of grade 12 HUMSS students vary across different schools and regions?
5 answers
The academic workload of grade 12 HUMSS students varies across different schools and regions due to various factors. Factors influencing workload include formal curriculum requirements, individual student characteristics like cognitive abilities and interests, the learning rate affecting the adjustment of academic credits, the complex adaptive nature of the academic environment, and the implementation of the ECTS metric in universities, which may not accurately reflect actual student workloads. These studies highlight the need for a comprehensive understanding of workload determinants, the importance of accurate workload measurements, and the potential discrepancies in workload estimations based on ECTS credits. Therefore, workload variations among grade 12 HUMSS students are influenced by curriculum demands, individual traits, learning rates, and the effectiveness of workload metrics in different educational settings.
What are the possible research gaps related to retrofitting existing buildings into net zero carbon buildings?
5 answers
Possible research gaps related to retrofitting existing buildings into net zero carbon buildings include the need for more ambitious building energy regulations to significantly lower carbon emissions. Additionally, there is a gap in research focusing on the carbon impact of zero carbon refurbishment projects, which could provide valuable insights for future initiatives. Furthermore, there is a lack of systematic and sufficient low-carbon retrofitting of existing public buildings, highlighting the need for more comprehensive approaches guided by Green Building Rating Systems analysis. These gaps suggest opportunities for further exploration in enhancing regulatory frameworks, understanding carbon impacts, and developing systematic retrofit pathways to accelerate the transition of existing buildings towards net zero carbon targets.
How many auditors use computer assisted audit systems?
5 answers
The utilization of Computer-Assisted Audit Techniques (CAATs) among auditors varies based on different studies. Research conducted in Indonesia involving government auditors from the Audit Board of the Republic of Indonesia (BPK) found that auditor competence and system quality significantly influence the effectiveness of CAATs' implementation. Similarly, a study in the Jakarta area with auditors from public accounting firms revealed that the application of CAAT systems positively impacts auditor performance. However, another study in the same region indicated that the adoption of CAATs among auditors in public accounting firms was moderate, with challenges such as inadequate user skills and certification deficiencies hindering their effective use. Overall, while some auditors benefit from CAATs for fraud detection and improved performance, there are still gaps in the widespread adoption of these systems, particularly in certain regions like Nigeria.
What is experimental study?
5 answers
An experimental study is a scientific method used to establish causal relationships between variables by intentionally manipulating conditions. Researchers conduct experimental studies to test theories or hypotheses by manipulating an independent variable to observe its impact on a dependent variable. These studies are crucial in fields like social sciences, education, psychology, and healthcare to assess interventions' efficacy and effectiveness. Experimental designs involve controlling variables, replicating results, and ensuring reliability and validity over time. They can be categorized into different types such as laboratory experiments, clinical trials, and community intervention trials, each with specific design considerations. The gold standard in experimental research is the randomized controlled trial (RCT), providing the highest level of evidence.