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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Dish motor less wear and tear
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<blockquote data-quote="Channel Hopper" data-source="post: 1024761" data-attributes="member: 175144"><p>That is true when a DC motor is running at a constant velocity, but definitely not during the ramp up, nor (especially) when the supply is disconnected.</p><p></p><p>Whilst there is some foundation for doubt, an inefficient commutator design, such as those used in satellite linear actuator, create induced current through motion change, the resultant losses requiring supression (rarely full cancellation ) of the excess energy using a capacitive dump.</p></blockquote><p></p>
[QUOTE="Channel Hopper, post: 1024761, member: 175144"] That is true when a DC motor is running at a constant velocity, but definitely not during the ramp up, nor (especially) when the supply is disconnected. Whilst there is some foundation for doubt, an inefficient commutator design, such as those used in satellite linear actuator, create induced current through motion change, the resultant losses requiring supression (rarely full cancellation ) of the excess energy using a capacitive dump. [/QUOTE]
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Satellite TV receivers & systems support forums
DISH SETUP: Single sat, Multi-Sat & Motorised
Dish motor less wear and tear
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