الکتروموتور - موتور الکترونیکی چیست؟ - کاردان گیربکس

الکتروموتور - موتور الکترونیکی چیست؟

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نحوه کار یک موتور DC بر این اصل که قطب های هم نام آهنربا یکدیگر را دفع و قطب های غیر هم نام یکدیگر را جذب می کنند استوار است. سیم پیچی که از میان آن جریان الکتریکی عبور می کند، یک قطب مغناطیسی به وجود می آورد که مرکز آن با مرکز سیم پیچ یکی است. با قطع و وصل کردن جریان سیم پیچ قطب مغناطیسی آن نیز می تواند قطع و وصل شود و یا با تغییر جهت جریان؛ قطب مغناطیسی می تواند ۱۸۰ درجه تغییر جهت دهد. یک موتور DC ساده به طور معمول دارای یک سری آهن ربا بر روی استاتور و دو یا چند سری سیم پیچ در روی آرمیچر است که این سیم پیچ ها دور یک قطب آهنی و البته با ایزولاسیون پیچیده شده و انتهای آن به کوموتاتور متصل است.

آرمیچر شامل برینگ هایی است که آن را در وسط موتور و مرکز تولید قدرت موتور نگه می دارد. سیم پیچ های آرمیچر به چرخش خود دور آرمیچر ادامه می دهند و هم از سیم های تکی و یا موازی استفاده می کنند و می توانند چندین دور به دور دندانه های انباره بزنند ( Stack Tooth ).

Dc Electric Motor Cycle 2

مقدار جریان عبوری و تعداد دورهای سیم پیچ تعیین کننده ی قدرت میدان مغناطیسی به وجود آمده می باشد. تواتر روشن و خاموش شدن یک سیم پیچ خاص معین کننده این است که یک میدان الکترومغناطیسی موثر به کدام جهت حرکت می کنند. باروشن و خاموش کردن یک سیم پیچ به صورت منظم و پشت سرهم یک میدان دوار ساخته شود. این میدهان مغناطیسی چرخنده بر روی میدان های که در روی استاتور وجود دارد و این میدان ها ممکن است توسط یک آهنربای دائمی و یا سیم پیچ به وجود آید واکنس می دهند و باعث به وجود آمدن نیرویی که آرمیچر را به چرخش در می آورد می شود. موتورهای DC در توان های بالا معمولا توسط تزیق هوا به داخل آنها خنک می شوند.

کوموتاتور به هر یک از سیم پیچ های آرمیچر اجازه می دهد که در نوبت خود فعال شوند. جریانی که سیم پیچ ها را تغذیه میکند به طور معمول توسط دو جاروبک و یا ذغال که با کوموتاتور اتصال لغزشی دارند برقرار می شود.

با پیشرفت تکنولوژی موتورهای DC بدون فرچه و زغال ساخته شده اند که دارای مدارات الکتریکی مرتبط ، جهت روشن و خاموش کردن جریان سیم پیچ آرمیچر هستند. این موتورها فرچه و ذغالی ندارند تا فرسوده شده و یا تولید جرقه کنند. از این الکتروموتورها در مکانهایی که تولید نویز ایجاد مشکلات عدیده ای می کند استفاده می شود ( مانند بیمارستانها و مراکز پردازش داده)

تعداد قطب های استاتور و آرمیچر و چگونگی اتصال سیم پیچ ها به یکدیگر ( سری یا موازی ) فاکتور سرعت / گشتاور این موتور ها را مشخض می کند. سرعت یک موتور DC می تواند با تغییر ولتاژی که به آرمیچر می دهیم تغییر کند. استفاده از مقاومت متغیر در مدار آرمیچر و یا مدار میدان به ما اجازه ی کنترل سرعت را می دهد. موتور های مدرن DC معمولا با مدارات الکترونیکی قدرت کنترل می شوند که این مدارات ولتاژ را با بریدن و تنظیم زمان قطع و وصل تنظیم می کنند که دارای ولتاژ کار پایین تر و موثرتری نیز هستند.

الکتروموتورهای DC سری دارای گشتاور زیاد در سرعت های پایین هستند. از این الکتروموتور ها در کاربردهایی چون لوکوموتیو های برقی و دیزل الکتریکی ، ترامواها و دریل های برقی بزرگ استفاده می شود.

معرفی موتور DC و یک سیستم برق رسانی برای به حرکت درآوردن ماشین آلات باعث به وحود آمدن یک انقلاب صنعتی دیگر در دهه ی ۱۸۷۰ شد. موتورهای DC می توانند به صورت مستقیم به باطری های قابل شارژ کار کنند و این اصل نیروی پیش رانه اولین خودروهای الکتریکی و اتومبیل های مرکب امروزی و حتی دستگاه های بدوم سیم را تامین کرد. امروزه موتورهای DC کوچک هنوز در کاربردهایی چون اسباب بازی ها و پرتاب کننده های دیسک و یا در سایزهای بزرگ برای به کار انداختن غلتک های گردان فلزات در کارخانه های نورد و ماشین های کاغذ بری بزرگ مورد استفاده قرار می گیرند.

اگر توان خارجی به صورت مکانیکی به یک موتور DC داده شود این موتور به عنوان یک ژنراتور DC یا یک دینام کار می کند. از این خصوصیت برای شارژ باتری خودروهای الکتریکی و مرکب (هیبریدی) و قطار های برقی وقتی که اقدام به کاهش سرعت و ترمزگیری می کنند مورد استفاده قرار می گیرد. این پروسه را ترمز احیا کننده می نامند. در لوکوموتیوهای دیزل الکتریک نیز از موتور های DC به عنوان ژنراتور برای ترمزگیری استفاده می کنند که این انرژی در بسته های مقاومتی ( Resistor Stack) تلف می شود. اکنون در طراحی جدید بخشی از این انرژی را در باتری ها ذخیره می کنند.

خواندن 4150488 دفعه آخرین ویرایش در پنج شنبه, 03 اسفند 1396 00:05

102196 نظرها

  • tysonvusyk.co.uk ارسال شده توسط tysonvusyk.co.uk یکشنبه, 11 آذر 1403 11:13

    Tyson Fury against Usyk: The Fight of the Century in Heavyweight Boxing

    These two heavyweight champions are on a collision course of unparalleled significance. It’s not merely about the belts; it’s a battle for eternal recognition. Fury, an undefeated champion has earned worldwide fame with his charisma coupled with unparalleled talent during fights. His victories over Deontay Wilder and Wladimir Klitschko have solidified his legendary status. Meanwhile, Usyk, the Ukrainian master poses a unique challenge to boxing’s biggest stars. On the flip side, Usyk, a southpaw master represents a formidable opponent for Tyson Fury himself, but for the entire division. Usyk’s rise to prominence was marked by his undisputed cruiserweight reign, by conquering all challengers. Prepare yourself for an epic boxing match of the year as Usyk takes on Fury in a historic showdown! Catch every punch in real time on our website. Join the excitement — visit https://tysonvusyk.co.uk today and stream the event from the comfort of your home!

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    Fury vs Usyk is more than just a championship fight. It’s a clash of personalities. Fury’s larger-than-life persona stands in stark contrast to Usyk’s composed demeanor. The clash of personalities adds depth to the narrative. This is more than just a physical contest. Regardless of the outcome, the significance of this match will be remembered as a defining moment in boxing. Fury vs Usyk is a defining moment. It’s the pinnacle of both fighters’ hard work. Whether Tyson Fury prevails with his experience and unpredictability, or Oleksandr Usyk triumphs with his finesse and stamina, what is clear is, this will be a fight remembered for years to come.

    Tyson Fury vs Oleksandr Usyk is more than just a sporting contest. It’s a battle of minds and bodies. These men will pour everything into the bout.

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  • Mines - fed ارسال شده توسط Mines - fed یکشنبه, 11 آذر 1403 11:10

    The universe of internet gaming has undergone significant advancement in recent decades, and one of the most captivating games becoming popularity among gamers is the mines game stake. Blending elements of tactics, chances, and anticipation, it offers a special opportunity for players. However, just like other wagering games, figuring out the ins and outs of the game and using the right methods can significantly boost your odds of winning. In this article, we will dissect different facets of the game, including tactics, tools like the Stake Mines Predictor Bot, Stake Mines Hack, and much more.

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    Stake Mines is an incredibly enthralling game that revolves around a clear-cut concept but can be quite challenging. Players initiate by placing a gamble and then selecting tiles from a grid. The objective is to uncover all the non-dangerous tiles without landing on a mine. Each non-hazardous tile you uncover increases your winnings, but if you select a mine, the game ends, and you lose your stake. The straightforwardness of the game is part of its appeal, but the true challenge lies in the strategy needed. Players must predict which tiles are safe to uncover, weighing threat against potential reward.

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    Stake Mines Strategy: The Key to Winning

    A well-thought-out Stake Mines strategy can make the difference between coming out ahead and walking away with nothing. While luck plays a role, the key to beating the game lies in how you deal with the game. One popular approach is to start with a modest bet and gradually escalate your wager as you uncover safe tiles. This allows players to cut down on potential losses and prolong their gameplay, increasing their chances of hitting a profitable streak.

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    The Allure of Stake Mines Hack

    For some players, using a Stake Mines Hack represents an appealing shortcut to guaranteed winnings. Hacks refer to altered versions of the game or tools designed to change the game’s mechanics in favor of the player. These could involve adjusting the game’s algorithm, unlocking extra features, or even revealing the locations of mine-free tiles. However, using a hack comes with major risks. Firstly, many hacks are unreliable, possibly introducing malware or harming your device. Secondly, hacking is a breach of most gaming platforms' terms of service, and players caught using hacks can be banned or suspended.

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    Stake Mines APK and Mod Versions

    For those who enjoy trying out alternative game versions, the Stake Mines APK lets players acquire the game on their Android devices. APK releases allow players to avoid app store restrictions and set up customized or hacked versions of the game. These versions can offer enhanced features, additional functionalities, or even extra chances to succeed, but it’s important to obtain them from secure sources to avoid malware or other issues.

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    Stake Mines Demo: Learning the Game Without Risk

    If you're new to Stake Mines, the Stake Mines demo is a great way to get familiar with the game’s mechanics without the financial risk. Many platforms offer demo versions of games, allowing players to refine their skills and strategies in a low-stakes environment. The Stake Mines demo mirrors the real game but without using real money, making it the perfect way to gain experience before committing to real wagers.

    Using the demo version helps players master the features and gameplay of the game without the worry of losing money. It’s a risk-free way to explore different strategies and decide how to approach the full game.

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  • Plinko - Gooft ارسال شده توسط Plinko - Gooft یکشنبه, 11 آذر 1403 10:57

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  • اتحادیه آسانسور تهران ارسال شده توسط اتحادیه آسانسور تهران یکشنبه, 11 آذر 1403 10:26

    I'm not sure exactly why but this blog is loading extremely slow for me.
    Is anyone else having this problem or is it a issue on my end?
    I'll check back later on and see if the problem still exists.

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  • آسانسور بدون چاله ارسال شده توسط آسانسور بدون چاله یکشنبه, 11 آذر 1403 09:56

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  • Plinko - Gooft ارسال شده توسط Plinko - Gooft یکشنبه, 11 آذر 1403 09:51

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  • дженерик спб ارسال شده توسط дженерик спб یکشنبه, 11 آذر 1403 09:46

    дженерик спб с доставкой по выгодным ценам
    производства Индии в наличии в Санкт-Петербурге

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  • дженерик спб ارسال شده توسط дженерик спб یکشنبه, 11 آذر 1403 09:43

    дженерик спб с доставкой по выгодным ценам
    производства Индии в наличии в Санкт-Петербурге

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  • Tiger - fed ارسال شده توسط Tiger - fed یکشنبه, 11 آذر 1403 09:38

    Jogo de Sorte do Tigrinho e um dos jogos de cassino online mais procurados por oferecer premios significativos sem exigir conhecimento avancado. Adotando a figura mistica do tigre como tema principal,
    plataforma fortune tiger cria um ambiente de apostas cativante e estetico.

    Dicas de Sucesso para o Fortune Tiger

    Uma das caracteristicas mais atraentes do Fortune Tiger e a possibilidade de ganhar premios altos em pouco tempo. Com potencial de premios em cada rodada, o jogo se torna emocionante e vantajoso.

    Os apostadores desenvolvem taticas para tornar o jogo mais lucrativo. Apostadores frequentemente recorrem a estrategia de apostas progressivas. Nessa abordagem, o jogador comeca com valores baixos e aumenta aos poucos.

    O timing das apostas pode ser um diferencial crucial para maximizar os ganhos. Para otimizar os ganhos, e importante saber identificar os minutos pagantes. Aproveitar esses minutos criticos aumenta significativamente as chances de ganhar.

    Como Funciona a Plataforma do Jogo Fortune Tiger


    Website: https://webguiding.1directory.org/plataforma-fortune-tiger_287697.html

    Conclusao

    Seja para iniciantes ou veteranos, Fortune Tiger tem algo a oferecer. O jogo, com seus recursos de seguranca e opcoes de pagamento, proporciona uma experiencia tranquila.

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  • дженерик спб ارسال شده توسط дженерик спб یکشنبه, 11 آذر 1403 09:23

    дженерик спб с доставкой по выгодным ценам
    производства Индии в наличии в Санкт-Петербурге

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