What common feature do both hard starts and soft starts share?

Both hard starts and soft starts are methods designed to control the startup of an electric motor. The fundamental purpose of motor starting techniques is to manage how quickly and smoothly a motor reaches its operating speed, which can significantly affect both the mechanical and electrical components of the system.

Hard starters typically involve a direct connection of the motor to the power supply, allowing it to receive nearly full voltage immediately. This can result in high inrush current, which must be managed appropriately through protective devices or system design.

In contrast, soft starters use an electronic control mechanism to gradually ramp up voltage, thereby limiting the inrush current and reducing mechanical stress during startup. This controlled approach minimizes wear and tear on motor components and reduces the electrical stress placed on the power supply and the motor itself.

Though they operate on different principles and have varied impacts on startup performance, both methods fall under the umbrella of motor startup control strategies. This shared function emphasizes their role in enhancing efficiency and reliability during the initiation phase of motor operation.