레이블이 3 Phase AC Motor인 게시물을 표시합니다. 모든 게시물 표시
레이블이 3 Phase AC Motor인 게시물을 표시합니다. 모든 게시물 표시

2014년 1월 6일 월요일

About 'ac motor'-What Is the Difference between AC and DC Motors







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About 'ac motor'-What Is the Difference between AC and DC Motors








Electric               cars,               these               are               something               I               remember               reading               about               in               Elementary               school.

Around               the               turn               of               the               millennium               there               were               all               sorts               of               buzzing               about               what               to               expect               in               the               next               century.

Electric               cars               were               definitely               in               the               buzz,               so               were               flying               cars.

Apparently               the               reality               of               electric               cars               is               definitely               closer               and               a               much               more               realistic               concept.

Nissan               plans               to               sell               electric               cars               within               the               next               4               years.

The               subcompact               electric               cars               will               be               powered               by               lithium-ion               batteries               which               were               self-developed               by               the               Nissan               Motor               Company.
               Nissan               is               Japan's               Number               2               automaker               and               they               also               intend               to               develop               and               sell               gas-electric               hybrid               cars               by               the               year               2010,               attempting               to               catch               up               with               competitors               including;               Honda               Motor               Co,               Toyota               Motor               Corp,               and               other               car               companies               with               economically               and               environmentally               friendly               vehicles.
               The               company               is               in               cooperation               with               Renault               SA,               their               French               partner.

Nissan               is               planning               to               speed               up               the               expansion               of               its               line-up               of               diesel               cars               as               well.

Diesel               cars               are               growing               in               the               global               demand,               according               to               the               Nikkei               business               daily.
               Nissan               is               also               expected               to               develop               bioethanol               cars               with               the               help               of               Renault,               which               Nissan               intends               to               provide               with               fuel               cell               and               hybrid               car               technologies.

Nissan               currently               has               two               electric               vehicles               in               production               including;               the               Altra               EV               and               the               Hypermini               as               well               as               a               hybrid               electric,               Japan's               Tino               Hybrid.
               The               Altra               EV               (Electric               Vehicle)               is               a               4-passenger               vehicle               with               a               maximum               speed               of               75               miles.

Its               not               the               swiftest               car               in               the               world,               but               what               it               lacks               in               speed,               it               makes               up               for               in               environmentally               soundness.

The               Altra               EV               uses               lithium-ion               batteries,               the               same               power               source               used               in               notebook               computers               and               video               recorders.
               The               batteries               are               light               and               have               excellent               energy               density               compared               to               lead-acid               or               nickel-metal               hydride               batteries.

The               batteries               also               do               not               lose               capacity               if               they               are               not               completely               discharged               before               recharging.
               The               Hypermini               is               also               powered               by               lithium-ion               batteries.

This               attractive               and               very               mini               vehicle               has               an               aluminum               frame               which               is               lighter               and               more               rigid               than               the               typical               steel               body.

The               Hypermini's               plastic               raw               materials               are               recycled               from               end-of-use               vehicles               using               a               Nissan               developed               process.

The               Hypermini               also               has               special               tyres               that               allow               driving               up               to               50               miles               with               a               flat.

Also,               the               Hypermini               costs               as               little               as               2               cents               per               mile               to               drive!

That's               what               I               call               a               free               ride,               once               the               car               is               paid               for               of               course.
               The               Hypermini               is               expected               to               help               Japan's               current               problem               of               traffic               pollution.

In               Japan,               traffic               data               shows               that               approximately               90%               of               all               passenger               cars               are               driven               less               than               70%               of               the               day.

Also,               82%               of               the               time               a               vehicle               is               occupied               by               only               one               or               two               passengers.

The               waste               of               petrol               gasoline               or               diesel               is               discouraging.
               The               Hypermini               is               an               attempt               to               reduce               and               overcome               this               unnecessary               waste.

The               car               is               designed               specifically               for               short               commutes               and               is               intended               to               maximize               and               conserve               finite               resources.

Nissan's               goal               is               to               transcend               the               traditional               approach               to               an               electric               car               and               give               it               more               of               a               respectable               and               functional               role               in               society.
               The               Hypermini               is               bold               and               smartly               styled.

Proportions               were               reduced               to               save               weight               and               space.

The               car               appears               more               European               than               Japanese.

Its               swooping               lines               and               soft               curves               are               attractive               and               the               horizontal               row               of               lights               on               both               the               front               and               back               ends               give               the               model               a               unique               and               functional               glow.
               Two               versions               will               be               made               available               including               the               Town               Package               and               the               Leisure               series.

The               Leisure               series               will               have               grated               side               windows               and               a               pop-up               rear               hatch.
               Wheels               are               placed               at               the               four               outer               corners               of               the               car               which               give               a               feeling               of               width               and               also               expand               the               stability               of               the               vehicle.

The               vehicle               is               1,000               millimeters               shorter               than               Nissan's               current               smallest               vehicle,               the               Micra.

The               Hyperminis               are               expected               to               use               approximately               the               same               amount               of               space               as               a               Nissan               Sentra               on               the               road.


               The               Hypermini               can               go               at               least               60               miles               an               hour               and               will               be               powered               by               a               neodymium               magnet               synchronous               electric               motor.

The               vehicle               will               also               be               able               to               travel               130               kilometers               on               a               single               charge.
               The               lithium-ion               batteries               will               be               spread               out               across               the               bottom               of               the               car               floor.

The               batters               are               easily               serviceable               by               floor-pan               hatches               and               a               pull-out               mechanism.
               The               Tino               Hybrid               is               also               an               attractive               little               car               with               only               a               limited               number               available               in               Japan.

This               is               also               a               compact               4               seater               with               a               4-cylinder               1.8L               QG               engine.

The               engine               has               about               100               horsepower               and               an               AC               motor               which               produces               an               additional               22               horsepower               respectively.
               The               world               of               electric               cars               is               certainly               getting               closer               and               other               car               companies               are               expected               to               produce               similar               models               depending               on               the               outcome               of               Nissan's               newest               productions.






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    2014년 1월 3일 금요일

    About 'ac motors'-What Is a AC Motor







    Go to last comment about ' ac motors?' This is such an important topic, and I'm glad you shared it!... Oh my goodness, I LOVE your articles for this reason... Wonderful Article. wow ~ ... Excellent!... Thanks so much for your wonderful and intelligent views on it...



    About 'ac motors'-What Is a AC Motor








    Your               appliances               are               designed               to               work               and               work               hard.

    Year               after               year,               they               kept               you               cool,               warm,               or               just               make               your               day               easier.

    But               as               the               temperatures               rise,               your               appliances               have               to               work               harder               to               keep               funtioning               at               their               capacity               and               keep               you               from               seeing               red.

    When               they               do               have               problems,               we               seem               lost               as               to               what               to               do.

    And,               according               to               Murphy's               Law,               it               always               seems               to               be               the               ones               that               you               need               and               take               for               granted               the               most-the               air               conditioner               and               the               refrigerator!

    So               to               make               certain               that               you               don't               have               to               memorize               the               phone               number               of               your               local               handy               man               or               appliance               repair               shop,               here               are               a               few               tips               to               save               you               this               aggravation               during               the               summer               months.

    REFRIGERATOR/FREEZER:               Be               certain               to               keep               your               refrigerator               at               40               degrees               F               and               the               freezer               at               5               degrees               F,               which               is               what               most               manufacturers               advise.

    Make               certain               that               the               motor;               coils               and               vents               are               free               from               dust.

    You               can               use               a               vacuum               or               brush               to               clean               the               coils.

    This               helps               the               motor               cool               more               easily.

    Also               check               and               lubricate               the               gaskets               periodically.

    A               full               refrigerator/freezer               is               more               efficient               than               a               near               empty               one.

    If               your               freezer               is               empty,               either               turn               it               off               or               fill               it               will               plastic               jugs               filled               with               water               (with               lids               preferably),               to               take               up               space.

    The               air               spaces               behind               and               under               the               refrigerator               need               enough               room               to               allow               hot               air               to               escape               from               the               compressor               and               coils               and               permit               good               circulation.

    Check               and               replace               all               seals               and               gaskets               for               wear               and               cracks.
                   DRYER:               If               your               dryer               is               located               inside               your               house,               make               certain               that               it               is               vented               to               the               outside               to               reduce               the               workload               on               your               air               conditioner.

    Clean               out               the               dryer               exhaust               duct,               damper,               and               space               under               the               dryer.
                   WASHER:               Make               certain               rusting               is               not               occurring               around               the               inner               edges               of               the               tub.

    This               could               be               a               sign               of               leakage.

    Also               make               certain               that               your               return               hose               is               securely               placed               or               else               water               may               be               leaking               down               and               under               your               washer               causing               rusting               problems.

    Check               electrical               cords               to               make               certain               that               there               is               no               fraying.

    Loose               wiring               and               water               don't               mix!
                   AC/HEATING:               These               really               should               be               replaced               monthly               but               replacing               the               filters               in               your               furnace               will               make               it               run               more               efficiently.

    Dirty               filters               cause               your               system               to               work               harder               and               therefore               increasing               costs               and               possibly               can               cause               fires.
                   CEILING               FANS:               Although               this               seems               like               a               minor               purchase               to               replace,               who               wants               to               spend               their               weekend               shopping               around?

    Make               certain               that               the               blades               are               cleaned               regularly               and               that               the               fan               motor               is               lubricated,               especially               older               ones.

    It               is               also               a               good               idea               to               check               the               base               of               the               fan               to               make               certain               that               it               is               secure               and               in               balance.
                   AIR               CONDITIONER:               This               is               something               that               needs               to               be               checked               yearly               (or               pay               the               consequences               of               replacing               a               very               expensive               'appliance')               and               you               most               likely               will               need               an               air               conditioner               specialist               to               inspect               your               system.

    It               may               cost               some               now               but               it's               worth               what               it               will               cost               in               the               long               run.

    Here               are               some               items               that               need               to               be               checked:
                   Have               the               evaporator               coil               cleaned
                   Fans               and               motors               lubricated
                   Belts               either               changed               or               checked               for               tightening
                   Have               the               electrical               safeties               and               capacitors,               checked.
                   Check               drain               pans               for               leaks
                   Check               the               condensation               drain
                   Test               the               crankcase               heater
                   Check               the               calibration               of               the               thermostat
                   Have               the               wiring               visually               checked               for               potential               short               circuits
                   WATER               HEATER:               If               your               heater               is               gas,               check               the               venting.

    Light               a               match               next               to               the               vent               and               wave               it               out               (don't               blow               it               out).

    See               if               the               smoke               is               pulled               up               into               the               vent.

    If               it               isn't,               have               a               professional               inspect               and               repair               it.

    Otherwise,               carbon               monoxide               and               other               combustibles               can               build               up               in               the               home.

    Check               around               the               base               of               your               water               heater               for               evidence               of               leaks.

    If               your               water               heater               is               over               5               years               old,               it               should               be               checked               monthly               for               any               leakage               or               rusting               at               the               bottom.

    If               water               leakage               or               rust               is               found,               the               water               heater               should               be               replaced.

    This               rule               also               applies               to               the               top               of               the               water               heater.

    Older               units               can               leak               and               rust               on               top               before               they               do               on               the               bottom.

    Also,               check               the               floor               around               your               water               heater               for               water               damage.
                   DISHWASHER:               Rusting               is               an               issue               with               appliances               at               any               time               of               year               but               during               the               summer               especially               with               your               dishwasher               being               used               more               frequently               (kids               at               home;               parities,               etc.)               so               be               certain               that               it               is               running               well.

    Check               around               the               door               and               inside               around               the               spray               arm.

    Also               check               insulation               around               the               door.

    If               this               is               worn,               you               might               have               leakage               therefore               causing               water               damage               to               either               your               cabinetry               or               floor               (if               it's               a               mobile               unit).
                   GARBAGE               DISPOSALS:               To               make               certain               that               the               next               clogs               that               your               disposal               gets               is               not               its               last,               there               are               a               few               things               that               you               can               do               to               maintain               it               for               further               used.

    The               blades               in               a               disposal               can               become               dull.

    The               story               that               feeding               your               disposal               glass               or               chicken               bones               to               sharpen               it,               is               just               that...a               rather               wild               story.

    The               only               safe               material               to               put               into               your               disposal               to               sharpen               the               blades               is               ice.

    There               are               also               items               to               avoid               placing               into               a               disposal               in               order               to               prevent               future               problems               and               they               are:               stringy               vegetables,               cornhusks,               grease,               fat               from               animal               meat               and               eggshells.

    If               you               have               poured               greased               down               your               drain,               flush               it               out               with               running               hot               (not               warm)               water.
                   If               you               maintain               your               appliances               at               least               twice               a               year               (summer               and               before               winter),               they               will               most               likely               live               a               long               healthy               life.

    And               you               won't               be               spending               a               miserably               hot               weekend               in               your               local               appliance               store               rather               than               at               the               local               pool!






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