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How Does a Tesla Work?

How Does a Tesla Work?

Founded by Elon Musk in 2003, Tesla has taken the automotive industry by storm with its sleek, high-performance electric cars. Named after American inventor Nikola Tesla, the company's electric vehicles (EVs) are renowned for their impressive acceleration, long-range capabilities, and cutting-edge technology.

What is a Tesla?

A Tesla is an electric vehicle that runs on batteries and an electric motor instead of an internal combustion engine. This means that Tesla vehicles rely on renewable energy sources and produce zero emissions, making them a cleaner, more sustainable option for transportation. Tesla vehicles are equipped with advanced features such as autopilot, which allows the car to drive itself on highways and navigate through traffic. Tesla are also known for their impressive acceleration, with some models capable of accelerating from 0 to 60 mph in under 2 seconds.

Types of Tesla

Tesla currently offers four different models: the Model S, Model 3, Model X, and Model Y. Each model has its own unique features and specifications, making it easy for customers to choose the one that best fits their needs.

Tesla Model S

The Model S was Tesla's first car, a luxury sedan known for its long-range capability of up to 405 miles on a single charge. It has a spacious interior and is renowned for its impressive acceleration, capable of going from 0 to 60 mph in as little as 2.3 seconds. Equipped with autopilot, the Model S is a popular choice for those seeking a high-performance electric car with advanced features.

Tesla Model 3

The Model 3 is Tesla's most affordable car, a compact sedan with a long-range capability of up to 333 miles on a single charge. It has a minimalist interior and is designed for efficiency and practicality. Equipped with autopilot, the Model 3 is a popular choice for those seeking a budget-friendly option with advanced capabilities.

Tesla Model X

The Model X is a luxury SUV with a long-range capability of up to 348 miles on a single charge. It has a spacious interior and is known for its eye-catching falcon-wing doors, which open upwards instead of outwards. Equipped with autopilot, the Model X is a popular choice for those seeking a high-performance electric SUV with advanced features.

Tesla Model Y

The Model Y is a compact SUV with a long-range capability of up to 330 miles on a single charge. It has a spacious interior and is designed for practicality and efficiency. Equipped with autopilot, the Model Y is a popular choice for those seeking a more affordable electric SUV option.

How Does a Tesla Work?

The Tesla lineup has transitioned from a compact electric sports car to encompass a diverse range of modern electric vehicles, including cars, SUVs, pickups, and even an electric semi-trailer. Despite their varying forms, they all adhere to a shared philosophy.

Each Tesla is powered by a lithium-ion battery, which drives either the rear or all four wheels through one or two electric motors. In essence, providing electricity to the electric motor(s) propels the car forward, similar to a slot car that draws power from the track it moves on.

In the future, electric cars may no longer need to rely on a battery or charging station. Instead, they may be able to wirelessly collect power from the road surface, which is a possibility that is closer than you may think. This is just one example of how Tesla is at the forefront of innovation in the electric car industry.

Key Components

Induction Motor

Image courtesy of Pimp My EV

The first induction motor invented by Nikola Tesla comprises two principal components: the stator and the rotor. The rotor is constructed by a set of conducting bars that are short-circuited by end rings. A 3-phase AC power output is supplied to the stator, which generates a magnetic field.

Tesla motors generate a four-pole rotating magnetic field. This magnetic field rotates to produce a current on the rotor bars, enabling them to turn. In an induction motor, the rotor typically lags behind the rotor speed. Induction motors are powerful despite lacking brushes or a permanent magnet. One of the significant benefits of induction motors is that the rotation speed is determined by the frequency of the AC power supply.

Consequently, the speed at which the wheel turns can be adjusted by merely varying the frequency of the power supply. This attribute makes speed control on a Tesla vehicle easy and dependable. In fact, a Tesla can operate from 0 to 18,000 RPM.


Image courtesy of:

The inverter in Tesla automobiles is a key component of the electric powertrain system. It is responsible for converting the DC power stored in the vehicle's battery pack into three-phase AC power that is used to drive the electric motor. The inverter also controls the speed and torque of the motor, enabling the vehicle to accelerate, decelerate, and maintain a constant speed. Additionally, the inverter manages the regenerative braking system, which captures kinetic energy from the vehicle's movement and converts it into electrical energy that can be stored in the battery pack.

Battery Pack

An 85 kWh Tesla battery pack

Image courtesy of Electrek

The battery pack used in a Tesla is made up of thousands of lithium-ion battery cells that are connected together to form a large traction battery pack. Battery packs are designed to be lightweight, durable, and efficient and are capable of storing a large amount of energy. The battery pack is charged using a charging port located in the car, which can be connected to a charging station. Teslas has three levels of charging: Level 1, Level 2, and Supercharging. The first two levels are the most common.

There are portable Level 1 chargers like the Lectron Level 1 Tesla Charger, which can be plugged into a standard 110V or 120V outlet, and the Lectron Level 1 / Level 2 Portable Tesla Charger, which comes with interchangeable NEMA 5-15 and 14-50 plugs, allowing you to charge from a Level 1 or Level 2 outlet. In contrast, Level 2 charging stations like the Lectron V-BOX 48A Home Charging Station for Tesla can either be plugged directly into a NEMA 14-50 outlet or hardwired into your house’s electrical panel.

The battery pack in Tesla vehicles is designed to provide long-range driving capabilities, with ranges of up to 400 miles or more on a single charge. It is also designed to deliver high performance, with the ability to provide instant torque and acceleration.

The battery pack is managed by a sophisticated battery management system (BMS) that monitors and controls the performance and health of each individual battery cell. The BMS ensures that the battery pack operates within safe parameters and optimizes the performance and efficiency of the battery system.

How Tesla Steering Works

Tesla vehicles use a combination of electric power steering (EPS) and advanced driver-assistance systems (ADAS) to provide a smooth and responsive driving experience.

The EPS system in a Tesla uses an electric motor to assist with steering rather than a traditional hydraulic system. This allows for more precise and responsive steering, with less effort required from the driver. The EPS system also helps to conserve energy, as it only uses power when the steering wheel is turned.

In addition to EPS, a Tesla also uses ADAS to enhance the steering experience. ADAS includes a range of sensors and cameras that monitor the environment around the car and provide real-time feedback to the driver. This includes features like lane departure warning, automatic emergency braking, and adaptive cruise control.

Tesla's Autopilot system takes ADAS a step further, allowing the car to steer itself under certain conditions. Autopilot uses a combination of cameras, radar, and ultrasonic sensors to detect objects and road markings and can adjust the steering to keep the car in its lane and maintain a safe distance from other vehicles.

Advantages of a Tesla

Tesla electric cars offer several advantages, making them a popular choice among drivers. Below are some of the top benefits of owning a Tesla:

Impressive battery range

Tesla vehicles are known for their long-lasting battery life, which makes them ideal for daily commuting and driving around town. Battery range is rarely an issue, particularly for short-distance travel.

Cost-effective charging options

Charging a Tesla at home is significantly less expensive than filling up a gas tank. On average, it costs around $23 USD to charge a Tesla for a distance of 500 miles, compared to the $50 USD it would cost for gasoline.

Reliable charging network

One of the major concerns for electric car owners is access to charging stations. Tesla has an extensive network of charging stations that have grown as electric cars have become more popular. Tesla's charging network is widely available, making it a dependable option for accessing high-quality charging stations.

S&P Global Mobility estimates that there are currently around 16,822 Tesla Superchargers and Tesla destination chargers in the US.

Ideal for car-sharing services

Tesla is often a popular choice for people who want to make a statement with their vehicle. However, the high price tag can make purchasing a Tesla outright unaffordable for many people. Car subscription services offer a pay-per-month option that allows anyone to have access to a Tesla without the high upfront cost. This makes Tesla an excellent choice for car-sharing businesses.

Difference Between Tesla and Other EVs

Comparison Criterion Tesla Other EVs
Sale Model Directly with clients Franchised automakers
Charging Own exclusive network of Superchargers Limited, and occasionally constrained to several third-party networks
Battery Strength Depending on the variant, Tesla's Model S has a range of up to 405 miles Ford's Mustang Mach-E Extended Range is the closest rival with a Real Range Estimation of between 195 and 397 miles
Production Potential Low production capacity due to business style Larger scale of production
Demand and Supply Greater demand than supply

Demand can be a limitation even while supply is not


  • How does a Tesla work?

    A Tesla works by using an electric motor powered by a battery pack. The battery pack is charged using a charging port located in the car, which can be connected to a charging station or a regular household outlet. When the driver presses the accelerator, the electric motor spins and turns the car's wheels, propelling the car forward. A Tesla is also equipped with advanced features such as autopilot, which allows the car to drive itself on highways and navigate through traffic.

  • How long does a Tesla battery last?

    The lifespan of a Tesla battery varies depending on several factors, such as the model of the car, the driving habits of the driver, and the climate in which the car is driven. However, Tesla is known for having a long battery life, with the ability to last up to 300,000 to 500,000 miles before needing to be replaced.

  • Does a Tesla need oil changes?

    No, Tesla vehicles do not require oil changes as they do not have an internal combustion engine. Instead, they require regular maintenance such as tire rotations, brake checks, and cabin air filter replacements.

  • How much does a Tesla cost?

    The cost of a Tesla varies depending on the model and the features selected. The Model 3, Tesla's most affordable car, starts at around $39,000, while the Model S, Tesla's luxury sedan, starts at around $80,000. The Model X, Tesla's luxury SUV, starts at around $91,000, and the Model Y, Tesla's compact SUV, starts at around $53,000. However, the cost of a Tesla can increase significantly depending on the features and options selected.


Looking for affordable home charging solutions for your Tesla? Be sure to check out Lectron's collection of Tesla chargers, adapters, and other accessories to make your charging experience more convenient than ever!

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