Thursday, 16 August 2018

Bijalee ka vaayarales traansamishan (wireless Transmission of Electricity)

      wireless Transmission of Electricity.                                 (Wireless power)     

     Electrical power lines and power outlets distributed duniya bhar Mein billions logon ko Bijli Pradan karti hai.  kya Hum ab wireless power ka sapna le sakte hai. 
       Chahe hum sabhi types ke devices ke liye wireless connection dekhna Chahte hai. Yeh chote devices hai jo most significant benefit dekhne ja rahe hai. Yahaan tak ​​ki chhote upakarano ke maamale mein prabhaav unakee sankhya ke kaaran bilkul bhaaree hone vaala hai. Aap sochie ki aapke kitne electronic devices jaise sound speakers, Security Cameras , laptop and mobile phones etc. Chalaane ke lie kitni wires ko jhelna padta hai. 
  Isliye wired connection ek vishal issue hai jo ki electronics user ke liye negatively affect dalta hai. Vishesh Roop se aaj ke ubharte hue internet ke Yug mein. Aaj Ke dino me portable tecknology ke liye wireless power transfer(WPT) bahut importance hai.  Kyunki portable tecknology humari Daily Ki life ka part ban chuki hai.  Sabse Adhik istemaal kiye Jane Wale devices ko ab apurti se continually electricity recieve karne Ki avashyakta nahi hoti. Matlab ke kisi device ko chalane ke liye Us device ko Bijli Se continually connect kiya jaye Through the wire. But portability ek challenge laati hai that is energy 🔋.  
           Almost Sabhi portable devices battery-powered hote hain in sabhi ko chargers ki help se Jo Aaj present mein maujood hai usse charge karna padta hai. Aaj hume cell phones, PDA,  digital cameras, voice recorder,  MP3 player and laptop etc.  ko recharge karne ke liye plugging karna padta hai jis mein kisi tarah ki wire ka Hona lazmi hota hai. Jab Yeh devices without plugging ke charged ho lifekitni asaan ho jayegi. 
  Wireless power transmission (wpt)  ek aisi field Hogi Jis main hum apni devices ko recharge karne ke liye ja kisi prakar ki electronic device ko chalane ke liye kisi bhi Tarah Ke connection or interconnecting ke liye wires ki jarurat nahi hogi. Kya wireless power transfer ek mahaj kalpana hai ja iski reality bhi hai. To dekhte hain Hamare Paas kya ideas hai wpt baare mein. 
            wpt ka itihaas kaaphee puraana hai. The founder of AC electricity, Nikola Tesla, wireless charging se deal karne wale experiments ka sanchalan Karne wale pahle vyakti the. Unhone high ⚡️ frequency electric power 🔌 se 25 mils ki doori se 200 bulbs ko light dekar aur electric motor chala kar badi safalta hasil ki. tesla ne Ionosphere ke maadhyam se America aur Europe  ke beech electrical energy  ko sthaanaantarit karane ke lie Wardenclyffe tower ka nirmaan kiya.
Tesla tower
Tesla tower lagabhag 185 pheet ooncha tha.ek achchhee tarah se 100 pheet deep ke saath. Isme bijalee aur prakash supply kya jaata tha without wires ke. Iski lagat $200,000 thi. Halanki, iss technology  limitations ki wajah se iss idea ko aur develop aur commercialized nahi kya gaya.  
    Baad mein 1920 aur 1930 ke Magnetron invention kar liye the jisse electricity ko microwaves mein convert karke lambi Duri Tak wireless power transfer kar sakte hain. But Hamare Paas Koi method nahi hai microwave ko back electricity me badalne ka isliye wireless charging ka Vikas Chhod Diya gaya tha. 
    Wireless power transfer Magnetic resonance ka upyog karne wali vo tecknology hai jo physics ke basic theories par based Hai. Wpt Technology abhi ke years me teji se develop ki ja rahi hai.  Magnetic resonance se1 kilowatts power level par transfer doori kai millimeter tak badh jaati hai. Jisse grid me 90% se adhik karaj kushalta badh jaati hai. 
      Je pragati WPT ko bahut attractive bana degi. Je electric vehicles and electric devices ke lie bahut kargar sabit hogi. 6.5 feet ki doori par magnetic wireless power transfer ek kundel ke saath 10 kilowatts ki bijalee ki karaj kushalta ko 97% tak badha sakti hai.  
     Wireless Charging Technologies. 
    Wireless charging tecknology ka Vikas kafi Aage Badh Raha Hai. 




    Radio frequency ja microwaves ka upyog kar radiative wireless charging ka upyog bijalee ki lambi doori ke sanchalan ke lie kya jata hai. RF exposure duara uthae gae safety issues ke kaaran radiative ko kam power me sanchalit kya jata hai.
      Non -radiate wireless charging energy ke liye coils dimension ki doori ke bheetar two coils ke beech  magnetic field ke coupling par based hoti hai. Isme aparivartanshil coupling, magnetic resonance coupling and capacitive coupling involved hote hai. Kyunki electromagnetic wave magnetic field ki tulna me teje  se attenuates ho jaate hai. Bijalee transfer distance kafi seemat hai. Safety ke process ke kaaran non radiative wireless charging ka hamaare dainik upkarno me vyaapak roop se use hota hai. 
      Radioactive wireless power transfer ka upyog microwave aur antriksh ke Madhyam se lambi doori par bijalee ki badi matra me transfer ki ja sakti hai. Microwave power tranafer system direct currunt (DC)  ko microwave me convert karta hai aur phir Microwave radiation ko ek receiver me transmit karta hai aur phir receiver Microwave radiation ko  vapas dc power me convert karta hai. 
        Soler based microwaves 
   Weather conditions se mukat antriksh (space free) me unlimited constant solar energy supply hoti  hai. Solar Power Satellites,  space me high level par photovoltaic array ka upyog kar solar energy me tap karte hai aur ise microwave ya laser beam ka upyog kar zameen par transmit karte hai. Ye ek great hope hai fossil fuel plants ko high leval par  clean energy me convert karne ki. 

        Space me per unit area ki average bijalee ground se 5-10 guna adhik hai, jabki wireless power transmission ke lie bijalee ki kami 50% se kam hone ki ummid hai. Iss tarah zameen (ground) par solar power Satellites ka competitive advantage hai. 
         Laser power transmission 
       Sadhantik roop me laser energy transmission system, energy transmission ke lie bahut similar hai microwave technology se. Power source (solar, electricity) ko ek emitter (utsarjak) me convert karta hai jo  ek laser beam shining directional electromagnetic radiatin generate karta hai. Jise baad me receiver me observe kya jata hai aur phir receiver energy ko vapas electricity me convert kar deti hai.
       oorja hastaantaran ke lejar vidhi mein ek photovoltik riseevar shaamil hai. isake lie lejar traansameetar ke saapeksh riseevar kee sthiti ko sateek roop se traik karane kee kshamata kee aavashyakata hotee hai. sabase kushal deesee-too-lejar kanavartars thos-raajy lejar daayod vaanijyik roop se phaibar optik aur phree-spes lejar sanchaar mein niyojit hote hain. lejar ka laabh yah hai ki isakee monokromaiteetee lambee beemon par beem ke behatar niyantran kee anumati detee hai, saath hee photovoltik riseevar ko lejar beem mein tyoon karane kee sambhaavana bhee detee hai.

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