starting torque

简明释义

起动力矩

英英释义

例句

1.A generator typically requires a significant starting torque 起动扭矩 to initiate the power generation process.

发电机通常需要相当大的starting torque 起动扭矩 来启动发电过程。

2.The design of the gearbox must accommodate the starting torque 起动扭矩 to prevent damage during startup.

变速箱的设计必须考虑到starting torque 起动扭矩，以防止启动时损坏。

3.In electric vehicles, a high starting torque 起动扭矩 allows for quick acceleration from a standstill.

在电动车中，高starting torque 起动扭矩 允许从静止状态快速加速。

4.The starting torque 起动扭矩 of this pump is designed to handle viscous fluids effectively.

这款泵的starting torque 起动扭矩 设计用于有效处理粘稠液体。

5.The motor's starting torque 起动扭矩 is crucial for overcoming initial resistance in heavy machinery.

电机的starting torque 起动扭矩 对于克服重型机械的初始阻力至关重要。

作文

Understanding the concept of starting torque is essential for anyone involved in mechanical engineering or related fields. Starting torque refers to the initial torque generated by a motor when it begins to operate. This parameter is crucial because it determines the motor's ability to start and overcome any resistance present in the system. For instance, in applications like elevators or conveyor belts, the starting torque must be sufficient to lift heavy loads or initiate movement against frictional forces. Without adequate starting torque, the motor may stall, leading to operational inefficiencies or even damage to the equipment.In practical terms, the starting torque is usually higher than the running torque, which is the torque required to keep the motor running once it has started. This difference arises because when a motor starts, it must overcome inertia and any static friction in the system. Therefore, engineers often design motors with a high starting torque for applications where heavy loads need to be moved from a standstill.Various factors influence the starting torque of a motor, including its design, the type of winding used, and the characteristics of the power supply. For example, induction motors typically have a lower starting torque compared to synchronous motors. In contrast, some specialized motors, such as stepper motors, can achieve high starting torque at low speeds, making them suitable for precise positioning applications.When selecting a motor for a specific application, understanding the requirements for starting torque is crucial. If the starting torque is insufficient, it may lead to underperformance or failures in the system. Thus, engineers must calculate the required starting torque based on the load characteristics and operational conditions. This involves considering factors like load weight, friction coefficients, and any additional resistances that may be encountered during startup.Moreover, the starting torque can also be affected by the method of starting the motor. For instance, using a soft starter can help manage the initial current surge and provide a controlled ramp-up of torque, allowing the motor to start smoothly without excessive strain. On the other hand, direct-on-line starting can deliver maximum starting torque immediately, but it may lead to high inrush currents that could damage the motor or connected components.In conclusion, the concept of starting torque plays a vital role in the performance and reliability of electric motors. By understanding and properly managing starting torque, engineers can ensure that machinery operates efficiently and safely. Whether designing new systems or maintaining existing ones, recognizing the importance of starting torque can lead to better outcomes and enhanced productivity in various industrial applications.

理解起动扭矩的概念对于任何参与机械工程或相关领域的人来说都是至关重要的。起动扭矩是指电机开始运行时产生的初始扭矩。这个参数至关重要，因为它决定了电机启动并克服系统中存在的任何阻力的能力。例如，在电梯或输送带等应用中，起动扭矩必须足够大，以便提升重物或克服摩擦力而启动运动。如果没有足够的起动扭矩，电机可能会停滞，导致操作效率低下甚至损坏设备。在实际应用中，起动扭矩通常高于运行扭矩，即保持电机运行所需的扭矩。一开始，这种差异产生是因为电机启动时必须克服惯性和系统中的任何静态摩擦。因此，工程师通常为需要从静止状态移动重负荷的应用设计具有高起动扭矩的电机。多种因素会影响电机的起动扭矩，包括其设计、绕组类型和电源特性。例如，感应电机的起动扭矩通常低于同步电机。相比之下，一些特殊电机，如步进电机，可以在低速下实现高起动扭矩，使其适合精确定位应用。在为特定应用选择电机时，理解起动扭矩的要求至关重要。如果起动扭矩不足，可能会导致系统性能不佳或故障。因此，工程师必须根据负载特性和操作条件计算所需的起动扭矩。这涉及考虑负载重量、摩擦系数以及启动过程中可能遇到的其他阻力。此外，起动扭矩还可能受到电机启动方式的影响。例如，使用软启动器可以帮助管理初始电流冲击，并提供受控的扭矩上升，从而使电机平稳启动，而不会过度承受压力。另一方面，直接在线启动可以立即提供最大的起动扭矩，但可能导致高涌入电流，从而可能损坏电机或连接组件。总之，起动扭矩的概念在电动机的性能和可靠性中发挥着至关重要的作用。通过理解和正确管理起动扭矩，工程师可以确保机械设备高效、安全地运行。无论是设计新系统还是维护现有系统，认识到起动扭矩的重要性都能带来更好的结果，并提高各种工业应用的生产力。