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Q&A

Posts tagged motor

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Q&A Designing a circuit to verify thevenin theorem with induction motor as load [closed]

Design a suitable experiment and an AC circuit to verify Thevenin's theorem when the load is a single-phase induction motor with a capacitive start and two supplies feed the load. Ratings of load:...

0 answers  ·  posted 3mo ago by dkumar94600‭  ·  closed 3mo ago by Olin Lathrop‭

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Q&A Limiting current to DC brushed motor

This question is related to my previous question. I want to drive a brushed DC motor using H-bridge. To power the motor two 18650 cells will be used in series. The issue is that I want to limit th...

1 answer  ·  posted 5mo ago by Stefan‭  ·  last activity 5mo ago by Olin Lathrop‭

Question motor dc brushed H-
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Q&A H-Bridge components and calculations

My goal is to make an RC car, and I have a couple of questions regarding driving the brushed DC motor. Schematic for half of my H-bridge looks like this for now (it will be identical on the other s...

1 answer  ·  posted 5mo ago by Stefan‭  ·  last activity 5mo ago by Stefan‭

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Q&A Driving PMSM machine as an AC induction machine

Is it possible to drive a PMSM motor - here I am referring to an AC motor with permanent magnets(stator wounded, rotor with PM) - in a way that there is no externally mounted rotor position sensor(...

1 answer  ·  posted 1y ago by 2kind‭  ·  last activity 1y ago by Olin Lathrop‭

Question motor pmsm vfd
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Q&A Max V/Hz value for motor

I want to run a specific motor in the open loop. How to calculate the maximum ratio of V/f to run it? Am I looking at Ld or Lq value for this? Let's say these are the characteristics - haven't ch...

2 answers  ·  posted 1y ago by 2kind‭  ·  last activity 1y ago by Olin Lathrop‭

Question motor control pmsm bldc
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Q&A BLDC motor - initial rotor position

Sensorless BLDC motor controller are becoming more and more popular, especially with rising of the drone industry. Being able to detect where the rotor is at 0rpm or no load seems intuitive if we ...

2 answers  ·  posted 2y ago by 2kind‭  ·  last activity 2y ago by KalleMP‭

Question motor control pmsm