Elon Musk JUST REVEALED Tesla’s NEW INSANE Motor! Take A Look:- Electric propulsion for vehicles is a relatively new technology in terms of innovation and widespread use, despite being around as long as the internal combustion engine has.
Electric Motors; How They Work A traction motor is an electric motor that is used to propel a vehicle, such as locomotives, electric or hydrogen cars, elevators, or electric multiple-unit trains. The earliest traction motors are direct-current motors with series field windings.
These have a beneficial speed-torque characteristic for propulsion, with strong torque at low speeds for vehicle acceleration and decreasing torque as speed increases.
The speed characteristic may be modified by organizing the field winding with several taps, allowing for reasonably smooth operator control of acceleration.
Using pairs of motors in series-parallel control on a vehicle adds another level of control; for sluggish operation or high loads, two motors can be driven in series off the direct-current supply.
If a higher speed is required, these motors can be run in parallel, resulting in a larger voltage available at each and hence higher speeds. The AC series motor, often known as the universal motor, is a variation of the DC system that is essentially the same technology but runs on alternating current.
The behavior of the motor is similar to that of a direct current motor since both the armature and field current reverse at the same time.
AC railways are frequently supplied with current at a lower frequency than the commercial supply used for general lighting and power; special traction current power stations or rotary converters are used to convert 50 or 60 Hz commercial power to the 25 Hz or 16+23% Hz frequency used for AC traction motors to achieve better operating conditions.
The AC system enables efficient power distribution over the length of a rail line, as well as vehicle speed control via switchgear. AC induction motors and synchronous motors are simple and low-maintenance, but they are difficult to employ for traction motors because of their constant speed characteristic.
The architecture of an AC induction motor and the frequency of the AC power supply limit the speed range within which it can generate usable amounts of power.
With the introduction of power semiconductors, installing a variable frequency drive on a locomotive is now feasible, allowing for a broad range of speeds, AC power transfer, and durable induction motors without the need for brushes or a commutator.
Series wound DC motors, a type of brushed DC electric motor, have traditionally been used in electric automobiles. DC motors come in a variety of configurations, including separately excited and permanent magnets.
AC motors have been used in more current electric cars since they are easier to design and have no brushes to wear out. These are generally permanent magnet induction motors or brushless AC electric motors.
The brushless DC electric motor is one of the various versions of the permanent magnet motor that offer simpler driving schemes and cheaper costs. How Teslas Go Further Tesla’s long-range Model S claims to go 370 miles between charges — approximately the distance between San Francisco and Los Angeles.
On the range, its closest electric vehicle competitors from firms like Chevrolet, Jaguar, and Nissan can only go approximately 240 miles — roughly as far as a trip from Washington, D.C., to New York City, but some particular models can go up to 260 miles.
The majority of the rest are lagging behind, barely making it over 200 miles. Tesla is a leader in the electric car race because it has more advanced battery technology and is willing to take more risks.
Tesla has been creating battery-powered vehicles from the ground up for more than a decade, utilizing software to improve battery efficiency.
Many typical luxury features have been abandoned in favor of aerodynamics, including the removal of multi-gear gearboxes in favor of twin motors designed to transfer changing power ratios to the front and back wheels.
According to data from the website InsideEVs, battery range has helped Tesla maintain its grip on the electric vehicle market, with nearly 60% of new sales in the first nine months of 2019, as new electric vehicle models from at least four major car companies have hit the U.S. market in the last year or so, and the company prepares to face its first real challenge.
“My belief is that Tesla is more willing to risk their battery not lasting 8 to 10 years and just dealing with the consequences on the back-end,” said Michael Ramsey, a senior director, and analyst specializing in the evolution of the auto industry with Gartner’s CIO Research Group.
“Part of their success is related to their willingness to go way past what the industry normally would do,” he said. According to Logan Goldie-Scot, head of clean power research at BloombergNEF, Tesla’s advances have resulted in industry-leading energy densities, which refers to the amount of energy stored in a single battery unit.
In 2016, Tesla launched the Gigafactory in Sparks, Nevada, a specialized large-scale battery production that the company claims became the world’s highest-volume battery plant in 2018. Tesla assembles the battery cells into packs and modules for its vehicles.
Panasonic manufactures the battery cells. Most other major EV manufacturers outsource battery production to businesses like LG Chem of South Korea, which announced a joint venture with General Motors in December to develop a battery manufacturing factory in northeast Ohio.
All this expertise and edge helped create the motor for the Tesla Model S Plaid, their fastest car yet. Model S Plaid Motor Elon Musk suggested a hotter, higher-rpm version of Tesla’s new Plaid carbon-wrapped electric motor that would debut with the next-generation Roadster in June 2021.
The Plaid motor is built on cutting-edge technology that allows Tesla to create motors that are smaller, more powerful, and more efficient than ever before. It’s tiny enough to be carried by one person, yet it has “crazy” power and torque.
During the presentation, Musk said Tesla developed a new machine to build the new motor. He elaborated on this in a series of tweets: “Fiber is wound over rotor at high tension load. Tesla Automation made a machine to do this.
Carbon sleeve must put the copper rotor in compression or loosens at low temp due to differential thermal expansion. Preload is also helpful for maintaining the precise gap to the stator.”
“Main advantage of this is a much stronger EM field compared with a rotor that is held together by metal (usually high-strength steel),” Musk continued. “Another advantage is that rotor can go to higher RPM, as carbon sleeve (mostly) stops copper rotor from expanding due to radial acceleration.”
Of course, when Tesla unveils new and improved technologies, it frequently alludes to something much more exciting in the works. “The Plaid carbon-wrapped motor is arguably the most advanced motor on Earth outside of maybe a lab somewhere,” tweeted Musk.
“We have to keep some secrets! We have a few ideas for increasing torque & max rpm even further for the new Roadster. Definitely fun & exciting engineering ahead!” According to MotorTrend, there’s a possibility that the manufacturer may introduce a quad-motor Model S Plaid in the future, as remarkable as it is now.
A Tesla Model S with a quad-motor system will increase the premium electric sedan’s power and traction. The current Model S Plaid already has a 0-96 mph time of under 2.0 seconds.
The car will be even quicker with a quad-motor layout. Three electric motors are included in the current Tesla Model S Plaid. Two power each back wheel, while one generates energy for the front-right wheel at the front axle.
The electric powertrain produces 1,020 horsepower and 1,423 Nm of torque. This translates to 340 horsepower and 474.33 Nm of torque for each motor. A quad-motor Model S Plaid might be a reality in the near future, with the manufacturer upping up its game and continually striving to set new milestones.
Adding a second motor will have some drawbacks as well. The additional weight of the fourth motor will raise the car’s total weight, reducing range. This will further lower the size of the frunk.
Aside from that, there will be an increase in cost and complexity. On the other hand, Elon Musk and his firm are known for their relentless pursuit of new heights. In that situation, a quad-motor Model S from Tesla may be released in the future.
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