User Eric

33 votes

Accepted

How do I do basic circuit analysis with resistors rated in watts instead of ohms?

answered Oct 12, 2014 at 5:43

27 votes

Why does a Tesla car use an AC motor instead of a DC one?

answered Feb 17, 2013 at 5:20

15 votes

Control differences between ac induction motor and brushless dc motor?

answered Oct 29, 2012 at 16:57

13 votes

Accepted

Torque relationship to speed in a DC motor

answered Nov 19, 2013 at 17:08

10 votes

How do I find the voltage range for an unknown DC motor?

answered Oct 10, 2014 at 21:10

10 votes

How can AC current power anything?

answered Oct 13, 2015 at 15:25

9 votes

Will doubling thinner wire in lieu of thicker wire work?

answered May 19, 2014 at 12:22

8 votes

Accepted

Why are induction motors controlled with a constant V/f?

answered Sep 14, 2015 at 16:52

7 votes

Calculating Back EMF from Torque Constant

answered May 16, 2014 at 14:45

7 votes

What does manufacturer call PMSM motor?

answered Oct 28, 2014 at 15:30

7 votes

Transformer size vs. frequency

answered Dec 18, 2014 at 15:47

6 votes

Why are rectifiers-inverters used to drive AC motors instead of using the rectified current to drive DC motors?

answered May 30, 2014 at 4:14

5 votes

What is "Two in hand" coil winding ? How does it affect the inductor?

answered Dec 11, 2012 at 13:18

4 votes

Accepted

What are the factors that significantly affect the life span of a DC motor?

answered May 21, 2013 at 20:23

4 votes

DC Motor - PWM vs Voltage

answered Aug 15, 2013 at 14:31

4 votes

How to sketch the spectrum of \$m(t) = \cos(1000)t \times \cos(3000)t\$

answered Jan 21, 2015 at 2:38

4 votes

Why do we need transforms (Fourier, Laplace, Z and wavelet etc.) for a signal to analyse?

answered Nov 6, 2014 at 15:09

4 votes

Creating a waterproof project enclosure

answered Aug 29, 2014 at 16:27

4 votes

Accepted

What other material could replace copper in an electric motor?

answered Sep 14, 2015 at 16:59

4 votes

Accepted

BLDC's number of positions

answered Oct 27, 2016 at 17:41

3 votes

How durable is the insulation on magnet wire?

answered Jul 31, 2014 at 13:35

3 votes

KVL loop current direction convention--should be same in all loops?

answered Aug 13, 2014 at 12:13

3 votes

Accepted

How to select and use Strong Magnet together with hall sensor and amplifier?

answered Aug 27, 2014 at 12:54

3 votes

Current reading, how does it work?

answered Nov 3, 2014 at 21:33

3 votes

Accepted

Help decipher DC brushed motor ratings

answered Mar 30, 2015 at 13:02

3 votes

Induction motor electrical and mechanical angle

answered Aug 28, 2015 at 15:42

3 votes

Finding the right motor

answered Dec 8, 2012 at 21:47

3 votes

Measuring the Internal Resistance of a Brushed DC Motor for Use in Speed Control (IR Compensation)

answered Jul 16, 2014 at 13:10

2 votes

PSC motor driver circut using relay

answered Jul 30, 2014 at 12:45

2 votes

Read/calculate permebility from BH curve

answered Jun 30, 2014 at 14:44

Stack Exchange Network

82 Answers

How do I do basic circuit analysis with resistors rated in watts instead of ohms?

Why does a Tesla car use an AC motor instead of a DC one?

Control differences between ac induction motor and brushless dc motor?

Torque relationship to speed in a DC motor

How do I find the voltage range for an unknown DC motor?

How can AC current power anything?

Will doubling thinner wire in lieu of thicker wire work?

Why are induction motors controlled with a constant V/f?

Calculating Back EMF from Torque Constant

What does manufacturer call PMSM motor?

Transformer size vs. frequency

Why are rectifiers-inverters used to drive AC motors instead of using the rectified current to drive DC motors?

What is "Two in hand" coil winding ? How does it affect the inductor?

What are the factors that significantly affect the life span of a DC motor?

DC Motor - PWM vs Voltage

How to sketch the spectrum of \$m(t) = \cos(1000)t \times \cos(3000)t\$

Why do we need transforms (Fourier, Laplace, Z and wavelet etc.) for a signal to analyse?

Creating a waterproof project enclosure

What other material could replace copper in an electric motor?

BLDC's number of positions

How durable is the insulation on magnet wire?

KVL loop current direction convention--should be same in all loops?

How to select and use Strong Magnet together with hall sensor and amplifier?

Current reading, how does it work?

Help decipher DC brushed motor ratings

Induction motor electrical and mechanical angle

Finding the right motor

Measuring the Internal Resistance of a Brushed DC Motor for Use in Speed Control (IR Compensation)

PSC motor driver circut using relay

Read/calculate permebility from BH curve