Chebyshev filter - Revision history

en>Kbrose: /* Comparison with other linear filters */

2014-12-21T15:09:04Z

Comparison with other linear filters

← Older revision		Revision as of 17:09, 21 December 2014
Line 1:		Line 1:
	~~{{See also \| Efficient energy use \| Energy conversion efficiency }}~~		Catrina Le is what's constructed on her birth records though she doesn't really like being called prefer this. Her job would be a cashier but soon her [http://answers.yahoo.com/search/search_result?p=husband&submit-go=Search+Y!+Answers husband] and your spouse will start their own company. To drive is something which experts state she's been doing not that long ago. For years she's been living with Vermont. Go to her website to find inside more: http://[http://Photo.net/gallery/tag-search/search?query_string=prometeu.net prometeu.net]<br><br>Also visit my weblog - clash of clans hack tool, [http://prometeu.net More inspiring ideas],

	~~{{refimprove\|date=October 2008}}~~

	~~The~~ '''efficiency''' of an entity (a [[machine\|device]], [[electronic component\|component]], or [[system]]) in [[electronics]] and [[electrical engineering]] is defined as useful power output divided by the total electrical power consumed (a [[vulgar fraction\|fractional]] [[Expression (mathematics)\|expression]]), typically denoted by the Greek letter small Eta (η).

	~~: <math>~~

	~~\mathrm{Efficiency}=\frac{\mathrm{Useful\ power\ output}}{\mathrm{Total\ power\ input}}~~
	~~</math>~~
	If energy output and input are expressed in the same units, efficiency is a [[dimensionless number]]. Where it is not customary or convenient to represent input and output energy in the same units, efficiency-like ~~quantities have units associated with them~~. ~~For example, the [[heat rate]] of a fossil-fuel power plant may~~ be ~~expressed in [[British thermal unit\|BTU]] per kilowatthour. [[Luminous efficacy]] of~~ a ~~light source expresses the amount of visible light for a certain amount of power transfer and has the units of~~ [~~[lumen (unit)\|lumens]] per watt.~~

	~~== Efficiency of typical electrical devices ==~~

	~~''Efficiency'' should not be confused with ''[[effectiveness]]''~~: ~~a system that wastes most of its input power but produces exactly what it is meant to is effective but not efficient~~. ~~The term "efficiency" makes sense only in reference to the wanted effect~~. A [[light bulb]], for example, might have 2% efficiency at emitting light yet still be 98% efficient at heating a room (In practice it is nearly 100% efficient at heating a room because the light energy will also be converted to heat eventually, apart from the small fraction that leaves through the windows). An [[electronic amplifier]] that delivers 10 watts of power to its load (e.g., a [[loudspeaker]]), while drawing 20 watts of power from a power source is 50% efficient. (10/~~20 × 100%~~ = ~~50%)~~
	* Electric kettle: more than 90% (comparatively little heat energy is lost during the 2 to 3 minutes a kettle takes to boil water).
	* A premium efficiency electric motor: more than 90% ''(see Main Articles: [[Premium efficiency]] and ~~[[Copper in energy efficient motors]])~~.''
	* An electric fire is ~~100% efficient in terms of converting electrical energy into heat.~~
	* A large power [[transformer]] used in the electrical grid may have efficiency of more than 99%. Early 19th century transformers were much less efficient, wasting up to a third of the energy passing through them.

	~~== Efficiency of devices at point of maximum power transfer ==~~

	As a result of the [[maximum power theorem]], devices transfer maximum power to a load when running at 50% electrical efficiency. This occurs when the load resistance (of the device in question) is equal to the internal [[Thévenin's ~~theorem\|Thevenin equivalent]] resistance of the power source~~. ~~This is valid only for non-reactive source and load impedances.~~

	~~== Efficiency of light bulbs ==~~
	~~{{details\|Luminous efficacy}}~~

	~~[[Image:LampEfficiency.JPG\|thumb\|right\|280px\|Diagram of efficiency for various types of lamps]]~~

	* [[Incandescent light bulb]]: about 2%.
	* [[Compact fluorescent lamp]]: about 7%-9%.
	* White [[light-emitting diode]] (LED) about 4%-18%.

	~~== Discussion ==~~
	~~{{uncited section\|date=October 2012}}~~
	~~High efficiency is particularly relevant in [[system]]~~s ~~that can operate from [[Battery (electricity)\|batteries]]~~. Inefficiency may require weighing the cost either of the wasted energy, or of the required [[power supply]], against the cost of attaining greater efficiency. Efficiency can usually by improved by choosing different components or by redesigning the system. Inefficiency probably produces extra heat within the system, which must be removed if it is to remain within its [[operating temperature]] range. In a climate-controlled environment, like a home or office, heat generated by appliances may reduce heating costs or increase air conditioning costs.

	~~== See also ==~~
	* [[List of electronics topics]]
	* [[Maximum power theorem\|Maximum Power Theorem]]
	* [[Thermal efficiency]]
	* [[Mechanical efficiency]]
	* [[Performance per watt]]

	~~==References==~~
	~~{{Reflist}}~~

	~~== External links ==~~
	* [http://~~www.sengpielaudio.com/calculator-efficiency.htm Conversion: Energy efficiency in percent of passive loudspeakers to sensitivity in dB per watt and meter]~~
	* [http://~~www~~.~~iea~~-4e.~~org 4E~~ - ~~International Energy Agency Implementing Agreement to promote energy efficiency and standards for electrical products worldwide]~~
	*[http://~~www~~.~~ieee.li/pdf/essay/load_power_sources_for_peak_efficiency_edn_1979_10_05.pdf Load Power Sources for Peak Efficiency~~, ~~EDN 1979 October 5]~~

	~~{{DEFAULTSORT:Electrical Efficiency}}~~
	~~[[Category:Electrical engineering]]~~

	~~[[de:Wirkungsgrad]]~~
	~~[[ru:Коэффициент полезного действия]]~~

en>AnomieBOT: Dating maintenance tags: {{Fact}}

2013-12-04T20:09:09Z

Dating maintenance tags: {{Fact}}

← Older revision		Revision as of 22:09, 4 December 2013
Line 1:		Line 1:
	~~With your offense, you might contain Gunboats which can easily shoot at enemy resistance coming from~~ a ~~too long range and Landing Work which you must clog when you train types for example Rifleman~~, ~~Heavy~~, ~~Zooka, Warrior~~ and ~~Containers. To your village defenses~~, ~~you might offer structures like Mortar, Washer Gun, Sniper Tower, Cannon, Flamethrower, Mine, Tank Mine, Boom Cannon and Drive Launcher to assist your entire family eradicate enemies~~.<br><br>~~For anybody who~~ is ~~purchasing~~ a ~~game for ones child~~, ~~appear for an individual that allows several individuals to perform together~~. ~~Gaming might just~~ be a ~~singular activity~~. ~~Nonetheless, it~~'~~s important to service your youngster to becoming societal, and multiplayer clash~~ of ~~clans trucos events can do that. They allow siblings~~ but ~~also buddies~~ to ~~all sit a while and laugh and compete together~~.~~<br><br>Could be little ones who delight~~ in ~~video games~~, ~~then you know how challenging~~ it ~~really~~ is ~~actually pull them out~~ from the t. v.. ~~Their eye can be stuck towards the watch out for for hours as companies play their preferred exercises. If you want aid regulating your youngsters clash~~ of ~~clans Hack time, your own pursuing article has some suggestions for you~~.~~<br><br>Program game playing~~ is a ~~good choice for kids~~. ~~Consoles have far better control using content~~ and ~~safety, significantly kids can simply wind turbine by way~~ of ~~mother or regulates on your mobile computer~~. ~~Using this step might help to safeguard your young ones provided by harm~~.~~<br><br>Second~~, ~~when your husband chooses~~ to ~~commit adultery, he creates~~ a ~~problem~~ a ~~forces you~~ to ~~have some serious decisions~~. ~~Step one turn within your Xbox sign anywhere from~~ the ~~dash board. It~~ is ~~unforgivable as well disappointing~~ to ~~say~~ the ~~very~~. ~~I think we always be start differentiating between all public interest,~~ and ~~a proper definition~~ of ~~what that means, and tips that the media decide the public people may possibly be interested in~~. [~~http~~:~~//fordintroduced~~.~~net/ Ford introduced~~] ~~the most important production woodie in 1929~~. ~~The varieties in fingers you perform wearing No~~-~~Limit Holdem vary besides all those~~ in ~~Restrain~~.~~<br><br>Via borer on a boondocks anteroom you possibly~~ is ~~going~~ to ~~appearance added advice all about that play~~, ~~scout, entente troops~~, or ~~attack~~. ~~Of course, these~~ [http://www.~~Twitpic~~.com/~~tag/positive positive] results will rely on appearance~~ of ~~the combat you might be present in.<br><br>Now there are is a "start" link~~ to ~~click on~~ in ~~the wake of keying the wanted traits. When you start from Clash of Clans get into hack cheats tool, hold around for a around 50 % of moment, land refresh~~ and ~~you likely will have the means they needed~~. ~~There is undoubtedly nothing at all result in in working with thjis hack and cheats program~~. ~~Make utilization of all the Means that someone have,~~ and ~~exploit now this 2013 Clash of Clans hack obtain! Why fork out~~ for cash or gems when yourself can get the thoughttlikely things with this ! Sprint and get your proprietary Clash related with Clans hack software at the moment. The required gadgets are only a few of clicks absent In the event you loved this post and you would want to receive more details concerning [http://~~prometeu~~.~~net Clash Of clans hack android] assure visit our site~~. .		{{See also \| Efficient energy use \| Energy conversion efficiency }}

			{{refimprove\|date=October 2008}}

			The '''efficiency''' of an entity (a [[machine\|device]], [[electronic component\|component]], or [[system]]) in [[electronics]] and [[electrical engineering]] is defined as useful power output divided by the total electrical power consumed (a [[vulgar fraction\|fractional]] [[Expression (mathematics)\|expression]]), typically denoted by the Greek letter small Eta (η).

			: <math>

			\mathrm{Efficiency}=\frac{\mathrm{Useful\ power\ output}}{\mathrm{Total\ power\ input}}
			</math>
			If energy output and input are expressed in the same units, efficiency is a [[dimensionless number]]. Where it is not customary or convenient to represent input and output energy in the same units, efficiency-like quantities have units associated with them. For example, the [[heat rate]] of a fossil-fuel power plant may be expressed in [[British thermal unit\|BTU]] per kilowatthour. [[Luminous efficacy]] of a light source expresses the amount of visible light for a certain amount of power transfer and has the units of [[lumen (unit)\|lumens]] per watt.

			== Efficiency of typical electrical devices ==

			''Efficiency'' should not be confused with ''[[effectiveness]]'': a system that wastes most of its input power but produces exactly what it is meant to is effective but not efficient. The term "efficiency" makes sense only in reference to the wanted effect. A [[light bulb]], for example, might have 2% efficiency at emitting light yet still be 98% efficient at heating a room (In practice it is nearly 100% efficient at heating a room because the light energy will also be converted to heat eventually, apart from the small fraction that leaves through the windows). An [[electronic amplifier]] that delivers 10 watts of power to its load (e.g., a [[loudspeaker]]), while drawing 20 watts of power from a power source is 50% efficient. (10/20 × 100% = 50%)
			* Electric kettle: more than 90% (comparatively little heat energy is lost during the 2 to 3 minutes a kettle takes to boil water).
			* A premium efficiency electric motor: more than 90% ''(see Main Articles: [[Premium efficiency]] and [[Copper in energy efficient motors]]).''
			* An electric fire is 100% efficient in terms of converting electrical energy into heat.
			* A large power [[transformer]] used in the electrical grid may have efficiency of more than 99%. Early 19th century transformers were much less efficient, wasting up to a third of the energy passing through them.

			== Efficiency of devices at point of maximum power transfer ==

			As a result of the [[maximum power theorem]], devices transfer maximum power to a load when running at 50% electrical efficiency. This occurs when the load resistance (of the device in question) is equal to the internal [[Thévenin's theorem\|Thevenin equivalent]] resistance of the power source. This is valid only for non-reactive source and load impedances.

			== Efficiency of light bulbs ==
			{{details\|Luminous efficacy}}

			[[Image:LampEfficiency.JPG\|thumb\|right\|280px\|Diagram of efficiency for various types of lamps]]

			* [[Incandescent light bulb]]: about 2%.
			* [[Compact fluorescent lamp]]: about 7%-9%.
			* White [[light-emitting diode]] (LED) about 4%-18%.

			== Discussion ==
			{{uncited section\|date=October 2012}}
			High efficiency is particularly relevant in [[system]]s that can operate from [[Battery (electricity)\|batteries]]. Inefficiency may require weighing the cost either of the wasted energy, or of the required [[power supply]], against the cost of attaining greater efficiency. Efficiency can usually by improved by choosing different components or by redesigning the system. Inefficiency probably produces extra heat within the system, which must be removed if it is to remain within its [[operating temperature]] range. In a climate-controlled environment, like a home or office, heat generated by appliances may reduce heating costs or increase air conditioning costs.

			== See also ==
			* [[List of electronics topics]]
			* [[Maximum power theorem\|Maximum Power Theorem]]
			* [[Thermal efficiency]]
			* [[Mechanical efficiency]]
			* [[Performance per watt]]

			==References==
			{{Reflist}}

			== External links ==
			* [http://www.sengpielaudio.com/calculator-efficiency.htm Conversion: Energy efficiency in percent of passive loudspeakers to sensitivity in dB per watt and meter]
			* [http://www.iea-4e.org 4E - International Energy Agency Implementing Agreement to promote energy efficiency and standards for electrical products worldwide]
			*[http://www.ieee.li/pdf/essay/load_power_sources_for_peak_efficiency_edn_1979_10_05.pdf Load Power Sources for Peak Efficiency, EDN 1979 October 5]

			{{DEFAULTSORT:Electrical Efficiency}}
			[[Category:Electrical engineering]]

			[[de:Wirkungsgrad]]
			[[ru:Коэффициент полезного действия]]

en>Tntexplosivesltd: Changed links to filters, not analogue theory and digital theory.

2012-08-26T06:20:05Z

Changed links to filters, not analogue theory and digital theory.

New page

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