What happens to the door torque when the door motor field voltage increases?

When the door motor field voltage increases, the door torque also increases. This relationship stems from the principles of electric motor operation, particularly in relation to torque production. An increase in field voltage typically leads to a stronger magnetic field within the motor. This stronger magnetic field enhances the interaction between the motor's armature and the field, resulting in greater torque output.

In a door operator, torque is essential for moving the door effectively against resistance, such as friction in the tracks, or against the weight of the door itself. Therefore, with higher field voltage, the motor can provide the necessary strength to ensure the door opens and closes smoothly and reliably.

This understanding is crucial in designing and troubleshooting door operator systems, as it helps technicians recognize how adjustments to voltage can directly impact performance and ensure that the motor operates efficiently within its intended specifications.