# Quick Answer: What makes a powerful electric motor?

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The strength of the motor (torque) is determined by voltage and the length of the wire in an electromagnet in the stator, the longer the wire (which means more coils in the stator) the stronger the magnetic field. This means more power to turn the rotor.

## What determines the power of an electric motor?

In an electric motor, the mechanical power is defined as the speed times the torque. … The synchronous speed is the speed of the stator’s magnetic field rotation, calculated as 120 times the line frequency divided by the number of poles in the motor.

## What is a powerful electric motor?

It is the world’s first 36.5 megawatt (49,000 horsepower) HTS ship propulsion motor. … Its capacity surpassed the Navy’s previous test record, doubling the rating. The HTS motor performs at 120 rpm and produces 2.9 million Newton-meters of torque.

## What does the strength of an electric motor depend on?

The electric motor speed depends on both the applied voltage and the number of turns of its coil. The more turns the motor has the higher the strength of the rotor magnetic field if the current is maintained constant.

## Which type of motor is powerful?

AC motors are generally considered to be more powerful than DC motors because they can generate higher torque by using a more powerful current. However, DC motors are typically more efficient and make better use of their input energy.

## Do electric motors have horsepower?

Electric Motors

An electric motor’s output is measured in kilowatts. Companies that build electric cars continue to talk about horsepower because consumers are still more familiar with that type of unit. The equation is as simple as hp = kW x 1.369, so a 100-kW motor produces 136 horsepower.

## Why electric motors have more torque?

The benefit of using an electric motor to power a car is that it can help drivers reach maximum torque from 0 RPM. This is because electric motors use an electric current, which moves through a magnetic field and creates the force necessary to rotate the armature and get the car moving.

## What electric motor has the most torque?

The HTM 3500 electric motor produces maximum torque of 3,500 Nm at 1,000 rpm. Equipmake has launched the HTM 3500 high torque electric motor designed specifically for use in heavy-duty commercial vehicles. Weighs 195 kg (429.9 lbs.)

## What’s the most powerful electric engine?

An Australian company by the name of HyperPower Technologies has developed an electric motor that generates a mammoth 1,340 horsepower. The electric motor, code-named the QFM-360-X, measures about 17 inches in diameter and is designed to be scalable.

## What is the strongest electric engine in the world?

Built in Finland, the RT-flex96C’s fourteen cylinders can generate 107,389HP with more than 7,000,000Nm of torque — that’s enough to power an entire suburban town. The engine weighs 2,300 tons and stands 44-feet tall and 90-feet long – more than a four-story building.

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## What makes an electric motor weak?

Low resistance is caused by the degradation of the insulation of the windings due to conditions such as overheating, corrosion, or physical damage. This leads to insufficient isolation between the conductors or motor windings, which can cause leakages and short circuits, and eventually motor failure.

## How did Michael Faraday make the electric motor?

The first surviving Faraday apparatus, dating from 1822, which demonstrates his work in magnetic rotation. Faraday used this mercury bath to transform electrical energy into mechanical energy, creating the first electric motor.

## Can a motor generate electricity?

You can use just about any motor to generate electric current, if it is wired correctly and you follow specific rules for its use. Modern AC induction motors are quite simple to wire as alternating current generators, and most will begin generating electricity the first time you use them.