digital-brain/content/zettels/torque_motor.md

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title = "Torque Motor (3-phase)"
author = ["Dehaeze Thomas"]
draft = false
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Tags
: [Motors]({{< relref "motors.md" >}})
Nice tutorial: <https://www.youtube.com/watch?v=3XcvjC2anM8&list=PLmklAQtFT_ZKcaI21UHgi0cm2Y3Yxu90p&index=3>
## Error period for 3-phase motors {#error-period-for-3-phase-motors}
Due to cogging, the fundamental period of the error is: number of pair poles \* 3 (because 3-phases).
## Manufacturers {#manufacturers}
| Manufacturers | Country |
|--------------------------------------------------------------------------------------------------------------------|-------------|
| [Tecnotion](https://www.tecnotion.com/product-category/torque-motors/) | Netherlands |
| [MagneticInnovations](https://www.magneticinnovations.com/direct-drive-electric-motors/torque-motor-direct-drive/) | Netherlands |
| [Etel](https://www.etel.ch/torque-motors/overview/) | Switzerland |
| [TDS](https://www.tds-pp.com/en/products/torque-motors/) | Switzerland |
| [Aerotech](https://www.aerotech.com/product/motors/s-series-brushless-frameless-torque-motor/) | USA |
| [ThinGap](https://www.thingap.com/) | USA |
| [CeleraMotion](https://www.celeramotion.com/applimotion/products/direct-drive-frameless-rotary-motors/) | USA |
| [AlliedMotion](https://www.alliedmotion.com/) | USA |
## Bibliography {#bibliography}
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