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Do you know the types of electric motors for cars that exist?



As its name indicates, the electric motors of this type of new generation car are formed within an electrified system that is what makes and allows the rest to function. However, something that is paid great attention is that these can be found (and used) with different types in one car or another. However, What are their differences about and how many types are there?

Green cars are the future of clean, emission-free mobility. A type of vehicle that, beyond being the great attention of the present and of the times to come, are also very characteristic because they do not look the same way that we are used to with combustion engines. Everything is seen from his own heart, the motor.

Cars and the electrification of their engines

Because if we look at the mechanics itself, inside we can see that its operation is much simpler than that of a heat engine. Contrary to engines that run on fuel in which the energy is given by explosion, in these the movement occurs thanks to electromagnetic interactions.

That could be, first of all, the great differentiation that we can have between these types of electric motors and those of combustion. However, among them it is possible that there are also notable distinctions, especially when it comes to its format, and that will then affect the vehicle in one way or another.

Thus, as we say, the basic operation of an electric motor is based on electromagnetic rotation. This consists of the use of two magnets that either reject or attract each other, depending on the alignment of their poles. That orientation will be the one that generates a forward or backward movement. With very good reliability and performance as the main fundamentals, electric motors use electricity to create magnetic fields. That is when we can distinguish several types of what these electric motors are.

Electric car motors how are they

What types are there

In this case, we see it from the fact that these electric motors are propellants that do not need internal combustion to provide energy, but rather it comes through the force produced by the stator and rotor. These systems can work both through batteries and connected to an electrical network. Within electric motors we can find a main classification of alternating current for automotive use that distinguishes them into two types.

  • Synchronous. It is characterized because the rotor rotates at the same speed as the stator’s magnetic field, which makes it move. The north face of the rotor magnet will follow the south face of the stator. The rotor uses a series of magnets, usually neodymium. Their rotational speed is constant and they can function as motors or generators.
  • Asynchronous. The asynchronous motor is an alternating current electric motor in which the angular speed of the rotor is less than the rotational speed of the magnetic field. generated by the stator windings, hence the asynchronous.

The end goal is clear, reduce the cost, use lighter materials in the construction of engines, optimize performance based on use or learn to better manage the use of batteries, which is what most manufacturers are doing, including Tesla.

How it works and what are they based on

Thus, and through the two types of motors, what they do is convert battery energy into mechanical energy. Its operation is based on the basic principle of magnetism: charges of the same sign repel and those of the opposite sign attract. As current passes through the stator, a magnetic charge is created that interacts with the poles of the electromagnet built into the rotor, which is the main shaft, and causes it to rotate.

The polarity of the charge in the coils changes according to the direction in which the electric current flows, by changing the direction every half turn the rotor remains in continuous movement. East movement is transferred to the wheels and varies in speed according to the frequency of the current.

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Apple Declares 2013 and 2014 iMacs Obsolete and Watch Series 2 Smartwatches ‘Vintage’



Apple Declares 2013 and 2014 iMacs Obsolete and Watch Series

Apple has added three models of iMacs to its list of obsolete products: a 21.5-inch screen from 2013, a 21.5-inch screen from 2014, and a 27-inch Retina 5K screen also from 2014.

Apple Declares 2013 and 2014 iMacs Obsolete and Watch Series 2 Smartwatches 'Vintage'

Apple typically deprecates products seven years after they were released, so it’s no surprise that the 2013 and 2014 iMacs are on the list.

As for smart watches Apple Watch Series 2, they are recognized as “vintage”. This category usually includes devices that have been released for five years. There may be problems with the official repair of the aforementioned iMacs.

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There are almost 1 billion 5G users. Ericsson report shows that operators often ask for more money for such tariffs.



There are almost 1 billion 5G users Ericsson report shows

According to a report by Ericsson cited by The Verge, by the end of this year, the number of 5G subscribers in the world will reach 1 billion.

Of course, this is far from the performance of 4G networks, which are now used by about 5 billion people, but still this is a fairly significant part of the market.

There are almost 1 billion 5G users. Ericsson report shows that operators often ask for more money for such tariffs.

Of course, 5G adoption is far from uneven. In North America, about 35% of subscribers will use 5G networks by the end of this year.

At the same time, the report indicates that operators often ask for more money for the higher speeds offered by new networks. Dividing into corresponding tariffs is popular among operators in Western Europe, but overall, 25% of operators worldwide charge extra for 5G. And the average markup is 40%.

Ericsson believes that, unfortunately, this trend will continue for several more years, as operators need to compensate for the costs of developing a new network.

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Is Apple Helping the Chinese Government Fight Protests? The company cut the AirDrop function in the Middle Kingdom



Is Apple Helping the Chinese Government Fight Protests The company

The history of protests in China is overgrown with new interesting details related to IT companies.

Is Apple Helping the Chinese Government Fight Protests?  The company cut the AirDrop function in the Middle Kingdom

Just weeks before the protests began, Apple reportedly made a major change to how AirDrop works, and only in China. After updating to iOS 16.1.1, AirDrop in the mode of receiving messages from everyone became possible only for 10 minutes, after which AirDrop simply turns off. In normal mode, AirDrop has no time limit, as there is none now and all over the world outside of China.

The fact is that AirDrop is one of the ways protesters communicate, and not only in China. AirDrop works locally in smartphone-to-smartphone mode, without relying on external networks, so it cannot simply be blocked or read data. But in this case, for some reason, Apple decided to seriously change the function, although it did not turn it off completely.

The CNBC resource also notes that the corresponding update was released a month after Chinese President Xi Jinping was re-elected for a third term.

Recall that Huawei smartphones have been noticed that they automatically delete videos that depict events related to protests in China.

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