A kilowatt is a measure of power, a kilowatthour is a measure of energy. A standard unit of electrical power equal to watts. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. To determine e in kilowatt hours, p must be expressed in kilowatts and t must be expressed in hours. The new teacher therefore faces hisher class with the same techniques that generations before himher have used. Onethousand kilowatt hours equals one megawatt hour. Semiconductor technology acronyms processes such as. Miller writes that microsoft, ibm, and apple are watts, but leading the way to documcnloricnlcd pc use. Kilowatthour kwh has a dimension of ml 2 t2 where m is mass, l is length, and t is time. Different types of energy are measured by different physical units.
Performance improvement of character recognition in. The direct on line motor starter dol consist a mccb or circuit breaker, contactor and an overload relay for protection. An electricity meter, electric meter, electrical meter, or energy meter is a device that measures the amount of electric energy consumed by a residence, a business, or an electrically powered device. Wattage, in turn, indicates how much power a device can provide a relative amount of time. Because of exergy, a kilowatt hour of electricity is ridiculously more valuable than a kilowatt hour of unstored hydrogen gas. Since july 1, sam houston electric has reduced its energy cost portion of members monthly bills from 7. Search the meaning and definition of over one hundred thousand words. List of construction abbreviations and acronyms in common. Electric utilities use electric meters installed at customers premises for billing and monitoring purposes. So, for example, the 10,000 watt electric shower in the top bullet point above could also be called a 10 kilowatt shower.
Kilowatthour kwh is a unit in the category of energy. Standard unit of electricity or consumption equal to watts over one hour, and equivalent to about 3412 british thermal units btu or 860 kilocalories. Demo software and hardware are made available in a test lab environment where potential users can play, touch, and become familiar with the technology. The median systems equity as a percentage of assets reached 45. Kilowatt and kilowatt hour are both physical units which are used measure the amount of consumed electricity. A kilowatt is simply 1,000 watts, which is a measure of power. Ocr optical character recognition explained learning. Optical character recognition software definition of. Public service of new hampshire is filing a request to set an energy. Software sites tucows software library shareware cdroms software capsules compilation cdrom images zx spectrum doom level cd featured image all images latest this just in flickr commons occupy wall street flickr cover art usgs maps. There is an aluminium disc which rotates continuously when power is consumed. The default retention periods are daily samples, 1 hour samples, 12 hour samples, and 24 hour samples.
Hardware, such as an optical scanner or specialized circuit board is used to copy or read text while software typically handles the advanced processing. Google books ngram viewer, launched in december 2010, displays a graph showing how phrases have occurred in a corpus of 5. Kilowatthour kwh is a unit used to measure electrical energy expended or used over time. There seem to be a number of options for power monitoring in existence. Optical character recognition or optical character reader ocr is the electronic or mechanical conversion of images of typed, handwritten or printed text into machineencoded text, whether from a scanned document, a photo of a document, a scenephoto for example the text on signs and billboards in a landscape photo or from subtitle text superimposed on an image for example from a. Just make sure to fully wash again since ginger is effective at forming skin irritations. When you buy electricity, your utility company charges you by the kilowatthour. A progress bar shows you how long it will take to remove i. Southern california edisons sce energy efficiency investments provide economic and environmental savings sces comprehensive portfolio of energy efficiency programs for 2006 through 2008 will produce.
The simplest form of motor starter for the induction motor is the direct on line starter. The shading analysis software provides a method for mapping shadows on a surface to determine the efficiency of a planned solar installation. Kilowatthour definition, a unit of energy, equivalent to the energy transferred or expended in one hour by one kilowatt of power. Air changes per hour ach the movement of a volume of air in a given time. Apple cider vinegar is among the those considered as best natural gout pain remedies which is used and proven to be effective. A kilowatt hour, or one thousand watt hours, is a way of measuring the amount of electricity used or generated over time. Additional embodiments may include a method of designing photovoltaic pv solar energy collector systems based on mapping shadows on a surface. A standard old style light blub uses 100 watts of power to create light. A robust technical infrastructure is required to ensure the availability of hardware and software systems.
You could spend hours retyping and then correcting misprints. An energy expenditure of 1 kwh represents 3,600,000 joules 3. Even when done perfectly, the process is equivalent to 1. Because the count has the unit kilowatt hours kwh, it is recommended to. The kilowatthour is not a standard unit in any formal system, but. Software can also take advantage of artificial intelligence to implement more advanced methods of. A kilowatthour is a unit of energy that is equal to the energy provided by a thousand. Explain the difference between a kilowatt and a kilowatthour. Kilowatthour definition of kilowatthour by merriamwebster.
The average velocity of a charge carrier as it travels through a medium due to a potential difference. Featuring abbyys latest aibased ocr technology, finereader makes it easier to digitize, retrieve, edit, protect, share, and collaborate on all kinds of documents in the same workflow. The unit is often used to measure electrical consumption on an. The userfriendly software entails a fully integrated driver, remote diagnostic capabilities for worldwide support and multiple hardware interfaces for the ability to execute any co 2 or fiber laser marking system. Kilowatthour article about kilowatthour by the free. If we choose to measure power in kw and time in hours, we have. There always will be more intelligent things to do with high value electricity such as grid, wind, pv, or alternator. Mar 28, 2000 kilowatt a metric unit of power equal to one thousand watts or 1. And with increases scheduled each year, within four years monthly bills.
Glossary of terms used by utilities and their regulators. Mmdt one trillion btus or equivalent to a bcf million mcf. Ocr a was designed specifically for optical recognition in the late 1960s when the average computers processing power was dramatically less than it is today. For dc circuits, the meter may be an ampere hour or a watt hour meter. Two wire, base mounted smoke detector with thermal detector. Personal protective equipment ppe refers to kind of devices worn by the worker to protect against hazards in environment. The psc is extracting a computer generated text version from scanned documents using optical character recognition ocr software and providing these text documents as a convenience for persons who do not have access to high speed communications. Optical character recognition software synonyms, optical character recognition software pronunciation, optical character recognition software translation, english dictionary definition of optical character recognition software. Ocr as physics circuits and electric current definitions.
To switch the unit simply find the one you want on the page and click it. A kilowatt hour of electricity is ridiculously more valuable that a kilowatt hour of unstored hydrogen gas. A kilowatthour kwhmeasures a unit of energy, equal to 3,600,000 joules 3. Introducinga level physics a from september 2015 ii. Suppose you wanted to digitize a magazine article or a printed contract. You can tune the report service to write to the database of samples. Definitions not equations covering electric current and dc circuits in chapters 6 and 7 in the textbook essential as physics for ocr. Significant figures decimals prealgebra khan academy. Jun 20, 2012 learn general electrical concepts as you experiment with making a light switch, testing voltages and even build motors. Power is defined as work done over a certain amount of time, and is expressed as force distance time. Learn vocabulary, terms, and more with flashcards, games, and other study tools. In the case of a constant force, work is the scalar product of the force acting on an object and the displacement caused by that force.
A kilowatthour kwh is a measure of how much energy is used to run a particular object for one hour with electricity. Ppe prevents the worker to contact with a hazardous agent or equipment by creating a barrier between the potential hazardous material and the healthcare worker, and substantially protects them from risks of injury or illness. Barrels or gallons for petroleum, cubic feet for natural gas, tons for coal, and kilowatthours for electricity. But changed circumstances and resources call for changed strategies. Pdf novel method for energy consumption billing using optical. Kilowatthour kwh measure of electricity consumption. Beartooth electric cooperative board of trustees meeting. Define the kilowatthour and the electron volt and determine their values in. To convert between gigawatt hour and kilowatt hour you have to do the following. We all know that c are rated in watts, such as a 60 watt.
One kilowatthour is defined as the energy consumed by power consumption of 1kw during 1 hour. Kilowatt hour noun the noun kilowatt hour has 1 sense 1. To obtain kilowatt hours when joules are known, multiply by 2. File links to several internal databases make the fiberscan c3 program flexible and powerful. Or you could convert all the required materials into digital format in several minutes using a scanner or a digital camera and optical character recognition software. Kilowatthours definition of kilowatthours by the free. Multiply your answer by the number of days youre measuring.
Aug 27, 2019 kilowatt hour kwh sales for the typical cooperative that compares with a median 1. In comparison, a kilowatthour is a unit of energy equivalent to one kilowatt of. This is a conversion chart for kilowatt hour common units. Energy meters have a pressure coil and a current coil. Before we see how much electricity costs, we have to understand how its measured. The linux kernel lockdown patches were merged into the 5. Most nuclear utilities are required by governments to put aside a levy e. Look through 2201 acronyms and abbreviations related to construction. Optical character recognition is the process that converts image or pdf into an. It is commonly used as a unit of electrical energy in engineering, academic and commercial applications. Joules per second so you are really saying joules per second per second, or joules per second squared.
So in a nutshell, if you want the absolute best ocr software out there, complete with advanced features, extensive inputoutput format, and processing support, go for abbyy finereader. Ocr systems are made up of a combination of hardware and software that is used to convert physical documents into machinereadable text. For me this was a 7year journey, which means its easy to forget that others arent as invested in the code as i am. Apr 24, 2019 in physics, work is defined as a force causing the movementor displacementof an object.
In optical character recognition ocr, visible characters appearing as images i. Kilowatthour definition is a unit of work or energy equal to that expended by one kilowatt in one hour or to 3. The kilowatthour symbolized kwh is a unit of energy equivalent to one kilowatt 1 kw of power expended for one hour 1 h of time. It can also be described as the amount of energy that would be transferred at a constant rate of one kilowatt. A kilowatthour is a unit of energy equivalent to one kilowatt of. The speed of rotation is proportional to the power consumed in watt hour by the load. This software will make it very easy to convert pdf to word, images to text. Radioactive waste management nuclear waste disposal world. Kilowatthours synonyms, kilowatthours pronunciation, kilowatthours translation, english dictionary definition of kilowatthours. The power company charges you for power in kilowatt hours, abbreviated kwh. Now information workers can focus even more on their expertise and less. If you turn on the light bulb for one hour and youre using 60 watts in that hour or 60 watt hours.
The term kilowatt in addition to the measurements of watt and megawatt is commonly used to describe the capacity. The quality of the text document is dependent on the quality and format of the original documents. A kilowatt hour kwh is a measure of energy, like the joule, a calorie, or british thermal unit btu. The kilowatthour is a composite unit of energy equal to one kilowatt kw of power sustained for one hour. Kilowatthour definition and meaning collins english. Residential electricity usage is measured in kilowatthours kwh. Air contaminant any participate matter, gas, or combination thereof, other than water vapor or natural air. Kilowatthour definition of kilowatthour by the free. Electromagnetic contactor which can be opened by the thermal overload relay under fault conditions. When you buy electricity they charge you by the kilowatthour kwh. A watt measures the rate at which electrical power is used or generated.
Reading of an electricity meter using optical character recognition with opencv on. Limited demand resources demand resources which can be called on during weekdays other than nerc holidays from noon to 8 p. Information and translations of kilowatthour in the most comprehensive dictionary. Abbyy finereader finereader 15 the smarter pdf solution. Finereader pdf empowers professionals to maximize efficiency in the digital workplace. Kilowatt hour the basic unit of electric energy equal to one kilowatt of power supplied to an electric circuit steadily for one hour equivalent to about 3,450 btu. A new algorithm for number recognition in electrical.
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