Electromagnetic Unit (EMU) - Magnetic Torquer
- Purpose: Creation of a dipole magnetic moment, the value of which is proportional to the current flowing through two independent windings. EMU is used in attitude control system of spacecraft for the orientation and unloading of the reaction wheel.
- Year of release: 2016
- Guaranteed service life (years): 5
- Estimated production / delivery time (months): 6
- Flight qualification of the product: No
- Brief history of flight qualification: Flight tests, normal operation.
- Possibility to adapt the product to customer requirements: Yes
| Parameter | Value |
|---|---|
| Working orbits | Low, medium and geostationary orbits |
| Mass of EMU | 0,48 kg |
| Magnetic moment | ≥ 20 А·m² throughout the operating temperature range |
| Residual magnetic moment | ≤ 0,05 А·m² |
| Number of windings | 2 |
| Power supply voltage | 4,5 ± 0,1 V |
| Power consumption | ≤ 2 W |
| Operating temperature range | from -20 to + 55 °С |
| Overall dimensions | Ø17 х 345 mm |
Electromagnetic unit (EMU) - Magnetic Torquer
Remark
There is an option to develop and supply EMU with magnetic moment from 0.2 to 800 А·m² according to customer requirements
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