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Wireless chargers do use alternating current (AC) to generate a magnetic field for charging, but your phone's battery needs direct current (DC) to charge. The conversion from AC to DC occurs inside the wireless charger. There's a component called a rectifier that converts the AC into DC before it's sent to your phone's battery, ensuring it can charge properly. This is why you don't need to worry about your phone receiving AC power directly from the wireless charger.

Great 3D introduction of the power transformer! Learn a lot from it!

Reason for Opposite Connections: The reason for having opposite connections (delta on one side and star on the other, or vice versa) in transformers is related to achieving a specific voltage transformation and maintaining a certain phase relationship between the primary and secondary sides. This practice is done to nullify the order of phase shift in a power transformer. When electrical power is transmitted or transformed, there is a certain phase shift between the primary and secondary voltages and currents. The magnitude and direction of this phase shift depend on the winding configuration of the transformer. In a power transformer, the winding configuration influences the voltage and current relationships between the primary and secondary sides. By connecting one side in a delta configuration and the other side in a star configuration (or vice versa), the phase shift introduced by one winding is compensated or nullified by the other. The specific reasons for this practice include: Voltage Transformation: Transformers are designed to transform voltages from one level to another. The winding configurations determine the voltage relationships. The opposite connections help in achieving the desired voltage transformation. Phase Relationships: The phase relationships between the primary and secondary sides are crucial for the proper operation of power systems. The opposite connections help maintain the required phase relationships, ensuring that the output closely follows the input in terms of phase. Harmonic Circulation: The delta connection in one winding allows for the circulation of third harmonics and their multiples. This is particularly relevant for power systems where harmonic content needs to be managed. The star connection on the other side may provide a neutral point, contributing to a balanced system. Flexibility and Application: The opposite connections provide flexibility in adapting the transformer to various applications and system requirements. It allows the transformer to be versatile in handling different voltage levels and current capacities. In summary, the use of opposite connections in transformers is a deliberate design choice made to control and manage the phase relationships, harmonic content, and voltage transformations within the electrical power system. It ensures the efficient and reliable operation of the transformer in various applications.

Maine Power grid mein dekha hai 400kv & 500kv ka Transformer

In Phones we can convert AC to DC by using transistor,diode. ❤

आपकी वजेसे बहुत कुछ सीखने को मिला है बहुत बढीया है थँक्यू सर

As an electrical students it's very common question for us 😊

Impressive video.

Great explanation 🙌

Amazing video. You did a extraordinary job. thanks

Mobile ke ander jo wireless charging coil hein usme diode hein? Ac ko dc karne ke liye?

क्योंकि ट्रांसफार्मर को न्यूट्रल वायर की आवश्यकता नहीं होती पर जब ट्रांसफार्मर से हमारे घरों में बिजली आती है तब न्यूट्रल वायर की आवश्यकता होती है इसलिए कास्टिंग बचाने के लिए न्यूट्रल वायर ट्रांसफार्मर में नहीं दिया जाता😊

best video seen about transformer

I like the way you explain and animate. And your cource is also affordable... Thank you bro

Badhiya video banaya he ❤

very very informative. thanks alot

Really great knowledge

Because 3 phase High voltage ko deta connect karke hi kam kiya ja sakta hai varna star connect kia jai to neutral connection nahi melega safety purpose keliye😊

Thanks Bro ❤❤

Well Explained !

Why we use oil a coolent?

Very well explained

Very true helpful video sir

Well explained 👍

Sir Please ek video testing of transformer pe banaiye plzz,.

सर,ट्रांसफार्मर का सिस्टम बहुत कॉम्पलीकेटेड है, आपका समझाने का तरीका बहुत बढ़िया है, जिसमे एनीमेशन का रोल बहुत बढ़िया होता है | मेँ गुजरात का एक किसान हु मेरे खेतमें बोर पर 100HP सबमर्शीबल मोटर चलाने के लिए ट्रांसफार्मर है, ➡️ इलेक्ट्रीकसिटीमें ट्रांसफार्मर का क्या रोल होता है और कैसे काम करता है ये जानने के लिए ये वीडियो बहुत super great है.. 👍धन्यवाद सर

In transformers one side is connected in delta because the supply received from power station is 3 phase and dont have neutral,and another in star because the supply for house is given through one phase and one neutral so star connection has 4 connection points with 3 phase and 1 neutral from which one-one phase and neutral in given to house

Thankyou sir ❤️

Very helpful video

In distribution we need of a neutral wire for close the circuit so we use star connection in LV side of a transformer bcz in star connection a neutral wire also present. but in delta connection there is no neutral wire .

Easy language mai answer hai harmonics (odd) ko reduced krne ke liye ❤❤❤❤❤

Intersting ❤

@LifeAda In Transformer primary side is connected in delta side to high voltage and low vtg side connected in star because in star connection we need to balance the 120⁰ phase difference, a neutral point helps to balance phase difference between each phase voltage thats why connections are always in opposite direction

Superb detailed video Sir G,keep it up on its Major Maintenance Detailed Video pls. As transformer Is an static device, & it's only used to transmit the power that's why it has only y & delta connection in it.

we use Delta - star connection for step up transformer as voltage is reduced by √3 times in star connection.

We use different connection both side of transformer. # Because if we make star connection both side of transformer it will be highly unstable # In star- star transformer there is problem of oscilating neutral condition # If we make star -star transformer it will be failed if load becomes unbalanced then star-star transformer not work. That's why we don't make same connection both side of transformer. ~NOW PIN IT😊~

Very good 👍

Very nice 👍

Nice explanation

Hm mainly transformer ko step down voltage ya step up purpose ke liye banate hai aur hm jante hai jab power transformer ki bat ki Jaye to high voltage side Star me hota hai jisse ki ham use grounding kar ske jisse hone wale nuksan se bacha ja ske aur In case step down transformer hm low voltage side Star connection use karte hai Jo usually hm grounding bhi karte hain aur use hm consumer ke liye neutral ke form me karte hain thats it

Very good explanatio

Thank you sir

for the changing of magnetic field and change in emf.

Neutral point ke liye Star connection Kiya jata hai. Kyunki gharo Mein single phase line Jaati Hai To vahan per neutral ki avashyakta padati hai...

Super 😍.... explain

In delta there is absence of neutral point whereas in star their is neutral point and also the neutral is then grounded to the earth

Amazing sir

The primary winding, also known as the input side, and the secondary winding, also known as the output side, can be connected in different ways to achieve the desired voltage and current levels. When the windings are connected in a star arrangement, or Y-connection, the voltage between any two of the three wires connected to the windings is the same as the voltage in the windings. This connection can be used to produce a lower current, with the same voltage as the input. On the other hand, when the windings are connected in a delta arrangement, also known as a Δ-connection, the voltage is across each winding is less than the voltage of the input sides. This arrangement can be used to produce higher currents with a lower voltage.

Please explain torque converter

Apki video lazawab rahti hai sir kasam se maja aa jati h ❤️🔥🔥 kash aisi education hamare college vale dete lekin unhe to apni salary se matlab h 💔💔💔

Very good video sir

8:07 Bcz the transformer has connected to opposite direction bcz it's has phase difference in input and output voltage .

Nice explain sir

Because in star connection we get neutral point

sir i have a project of electromegnetic induction in dc current . i made it but emf doesn't trasfer in second coil .. note : the transistor not use its ok

Why Transformer one side connected opposite to other One? Answer : In transformer winding, the primary and secondary coils are wound around a common magnetic core. The reason for connecting one side opposite to the other is to create a phase shift between the primary and secondary voltages. This phase shift allows the transformer to step up or step down the voltage, depending on the configuration of the windings. It's a fundamental principle of transformer operation and helps in transferring power efficiently from one circuit to another.

Delta Vl = Vph Star Vl = √3Vph

Invater kese kaam krta hai yeh btaye

Nice bro 🙏🙏🙏

Please make an animation video on flyback transformer

Thank you sir mera doubt clear karne ke liye

Finally I got great animation

bcz delta side high tension power supply hoti hai usme delta connection hote hai or convert hokr hme star system milta hai jisme neutral bhi hota hai

Ans is rectifier Although mobile also uses filter ckt transistor etc for waveform smoothing.

Thanks u so much sir❤

well explained

Thanks sir

Thanku sir

Kya gjjb ki knowledge di aapne animation ke jariye

वायरलेस चार्जिंग मोबाइल फोन में एक स्टेबल एक तो डीसी कनवर्टर लगा होता है जो बैटरी को चार्ज करने के लिए करंट को आगे भेजता है❤

great

Right 👍

At least one delta connection is requiredso that we can get sinusoidal induced emf.

Excellent video Sir monoblock motor ka water seal kaise Kam Karta hai iss par ek video banaye please........

Super sir ji

Nice

EMF is in the secondary side is induced due current flowing in the primary side

Which software used for animation

Sir mainly depend in voltage.

EMF is electromotive force ? i thought its Electro Magnetic Flux

Very Good

Very interesting & knowledgeable video😊

Transformer me Primary side delta me aur Secondary side Star me connect krte hai - Harmonics ko reduce krne ke liye

Very nice

8:00 to change the voltage magnitude and phase.

Primary and secondary winding in Different connection bcs phase shifting

Kyoki 3 phase 4 wire system me supply grahko ke ghar thik se pohochane ke liye first ko delta or second ko star me jodte hai

Theory is easy But please explain the phasor diagram of loaded and no load cases of it practically In ideal and practical thansformer

Sir HV in delta or star ? Lv in delta or star Clear plz

Very nice video ❤❤❤❤

In transmission weuse this configration of delta star which save our one conductor(neutral wire) price in transmission please if you fou d my answer correct like it please

Kyuki agr normal poll transform ki bt kre to input line delta mai is liye hoti hai kyuki agr by chance 3wire mai se koi ik Tut jae to koi problem na ho kyuki Bina natural ke. Current travel nhi krega. Or output mai isliye star connection Kiya jate hai kyuki hmare Ghar Mai aane wali line ko natural jruri hota hai to hme transformer se milta hai 😮

Please make video on Why potato genarate electric current

Sir star connection is liye hotta hai kio ki os sy nutrel millta hai

Very helpful video, thank you! Keep it up.

It is depend upon a load Balanced laoad in a system that time can be use delta connection Unbalanced load we are use star connection But the maximum chances the load is not balanced

5:39 then why we use iron to hold those two coils? Why not solid insulator ?

S.p. transformer kaise kam❤❤❤❤❤❤❤❤❤❤❤

For phase shifting