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Understanding the relationship between speed, torque, and output power is crucial when selecting a motor for a specific application. Speed and torque are directly related and are the two primary factors in motor performance. To choose the right motor for your needs, start by learning how these elements interact in our article "Speed vs Torque" - https://lnkd.in/g2Ektdjg #electricmotors #acmotors #dcmotors

In the era of electric vehicles, how to evaluate the quality of electric motors❓❓ As the two most commonly used types of #motors—permanent magnet synchronous motors and asynchronous AC motors—there are differing opinions in the industry regarding each type. Some argue that factors such as top speed, acceleration, and energy consumption are influential, but the core factor in evaluating motor quality is heat🔥 dissipation. Whether it's the acceleration capability, sustained top speed performance, or economic energy consumption levels of electric vehicles🚗, they all rely on effective heat dissipation. Heat dissipation not only determines the upper limit of a motor's performance but also its lower limit. Permanent #magnet synchronous motors particularly rely on heat dissipation because their rotors use permanent magnet materials. In high-temperature conditions, there is a risk of complete demagnetization of the #permanentmagnets, which is irreversible. Asynchronous AC motors, on the other hand, with rotors using traditional coil winding structures, emit a large amount of heat when operating at full load. Excessive temperatures🌡 can melt various insulation materials inside the motor, and in extreme cases, even melt the winding itself. To prevent overheating, many automakers strictly limit the motor's rotational speed, which means many #electricvehicles cannot fully utilize their potential for acceleration and top speed. Only by improving heat dissipation can motors be freed from these limitations and continue to develop further. #magnetism #magnetics #magnet #NdFeB #NdFeBmagnet #SinterdNdFeb #SmCo #AlNiCo #RareEarthMaterial #MagnetFactory #MagnetManufacturer #NdFeBmagnetFactory #radiation #magnetic

Electric Motor Speed Torque Characteristics A Electric motor speed torque characteristics is defined as the relationship between the speed at which it operates and the torque it develops, ω = f(T).

Comparative performance of (1) Fuel Cell Electric Vehicle (FCEV) ,(2) Internal Combustion Engine (ICE), (3) Battery Electric Vehicle (BEV). Symbols give a qualitative comparison between different performance metrics, (low/medium/high).

🚄 𝗢𝗽𝘁𝗶𝗺𝗶𝘇𝗶𝗻𝗴 𝗧𝗿𝗮𝗰𝘁𝗶𝗼𝗻 𝗠𝗼𝘁𝗼𝗿𝘀: 𝗧𝗮𝗰𝗸𝗹𝗶𝗻𝗴 𝗡𝗩𝗛 𝗮𝗻𝗱 𝗘𝗠𝗖 𝗖𝗵𝗮𝗹𝗹𝗲𝗻𝗴𝗲𝘀 𝗶𝗻 𝗥𝗮𝗶𝗹 ⚙️ Traction motors are crucial for various types of rolling stock – from high-speed trains to diesel-electric freight locomotives – converting power into motion. With increasing demands for efficiency, sustainability, and performance, the need for rigorous testing has never been greater. 🛠️ We address the growing importance of NVH and EMC testing in rail systems. As electric traction becomes more widespread, these factors have a direct impact on passenger comfort, safety and overall performance. Our advanced solutions are tailored to each electric motor design, ensuring accurate testing to acoustic and electromagnetic standards. With both real-world testing and simulation, we help our customers meet stringent standards while improving motor durability and efficiency. 𝗥𝗲𝗮𝗱𝘆 𝘁𝗼 𝗲𝗹𝗲𝘃𝗮𝘁𝗲 𝘆𝗼𝘂𝗿 𝘁𝗿𝗮𝗰𝘁𝗶𝗼𝗻 𝗺𝗼𝘁𝗼𝗿 𝘁𝗲𝘀𝘁𝗶𝗻𝗴? 👉 Download our solution sheet: https://lnkd.in/dtVypAP3 #TractionMotors #RailTesting #RailwayInnovation #AVLemobilitytesting

In the era of new energy vehicles, how should the quality of #electric motors be evaluated❓ What exactly determines this❓ Is it the type of motor or its performance parameters❓ Permanent magnet synchronous #motors are particularly reliant on heat dissipation. Their rotor employs permanent magnet materials, which risk complete demagnetization irreversibly at 🔥high temperatures. Meanwhile, induction motors, with their traditional coil winding structure in the #rotor, generate significant heat under full load. Excessive temperatures can melt internal insulation materials and, in extreme cases, even the windings themselves. Thus, the core factor deciding the quality of the motor is heat dissipation. Whether it's the #vehicle's🚗 acceleration capability, sustained high-speed performance, or economical energy consumption, all depend heavily on effective heat dissipation. Heat dissipation not only sets the upper limit but also defines the lower limit of #motor performance. #magnetism #magnetics #magnet #NdFeB #NdFeBmagnet #SinterdNdFeb #SmCo #AlNiCo #RareEarthMaterial #MagnetFactory #MagnetManufacturer #NdFeBmagnetFactory #radiation #magnetic

Let's assume that I am a ramjet engine. I am designed to operate efficiently at supersonic speeds. Unlike traditional jet engines, I have no moving parts such as compressors or turbines. Instead, I rely on my shape and speed to function effectively. As I hurtle through the air at high speeds, the air enters my intake and is compressed solely by my forward motion. This is the first crucial phase of my operation, known as ram compression. The faster I move, the more the air compresses, raising its pressure and temperature. Once the air is sufficiently compressed, it enters my combustion chamber. Here, fuel is injected and ignited. The combustion process generates high-pressure and high-temperature gases, which expand rapidly. This expansion creates a powerful thrust, propelling me forward. Unlike other engines, I rely on my high-speed flight to maintain the necessary compression, so I am most efficient at speeds above Mach 2. The hot gases then exit through my nozzle, converting thermal energy into kinetic energy, and accelerating me even further. This process is continuous as long as I maintain high speed and adequate fuel supply. I am simple in construction compared to other engines, with fewer moving parts, making me reliable and efficient for high-speed travel. However, my simplicity comes with limitations. I cannot start from a standstill and require an initial speed, often provided by another engine or booster, to begin my operation. My efficiency also drops at lower speeds, making me less versatile than other propulsion systems. https://lnkd.in/g_mnygxm

Payload with electric trucks is often in the first three questions a customer asks when looking at going electric. This week we are talking about the payload capicity of the Kenworth K370E electric straight truck in all battery configurations.

The 4WD hub-coupled electric powertrain test rig for HV integration contains four ultra-dynamic asynchronous load dynamometers each rated at 290 kW, 4200 Nm with wheel-simulated inertia of 3.5 kgm2.   #LowInertiaPowertrainTestRig #LowWheelSimulatedInertia   https://lnkd.in/gtPPUYFy

Optimal Sizing of Traction Motors