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Re: why a loops of wires used in the motor instead of straig
Hi,
To create inductor.
If current flows through an inductor, electro magnetic field will create.
Magnetic field density with respect to current and number of turns.
If the motor winding MMF less than normal requirement, then the...
From your statement you are going to select BJT.
Now you can use either PNP or NPN (power transistor).
According to this only you can choose where the higher potential and lower potential going to connect.
you can use Darlington also.
Take care of operating voltage, current and limiting...
This is the critical upper frequency range of human eye visibility.
Now the best way for solving this issue is doubling the flickering rate(120 times/sec) by means fo providing full wave rectifier instead of half wave rectifier.
At this situation the average current value also going to be...
Can you give the connection, signal conditioning and driver details for identyfing the route cause.
your lights are not flicker at 60hz. that shouuld be very low frequency.
Bye.
Strange resp.
Hi,
If a small value of R connected series with source, then the effect is negligible with respect to L and R.
since compare with XL and R values.
XC value raise is not collaps the response.
Eventhough if you are expecting high accurate result the the source internal R should...
Above circuit is half wave rectified. the pulsed ouyput has given to the led. as per audioguru's statement, it will flicker at the rate of 60hz. but this effect cann't able to identify with bare eye such as filament bulb.
If the brightness is required, we can decrease the value of current...
Hi,
I think, you are expecting about synthetic aperture radar. Iam sorry to say cann't help you.
If some one knows in detail, we are waiting for reply.
Thanks.
Hi, iam sorry.
as per your statement it self you told coils are connected in series. Iam not properly go through your statement.
In default for high watage applications heater coils connected in parallel manner.
Kindly follow House_Cat suggestion.
Bye.
Dear Brain and Jumper2high,
If i did mistakes, kindly mould me towards right direction. Iam work in the way of making them to workout and realize.
If its not possible in this post, kindly communicate at senthilkumar_b@in.com. thanks.
Bye
Hi,
see the beluw diagrams and realize things.
Selected LEDs current is typically 20ma.
Current profile:
Limiting resistor power dissipation profile R=2.2k/1watt
Power dissipation on LED
Source power dissipation profile
Bye.
coupling of ac and dc
Hi,
In AC there is no talk about ground. Ground available in DC only.
If you want universal zero potential, then go for Earth.
If you are ready to post your circuit and input signal profile in graphical manner, i will try to give the simulation result for that.
give...
Hi,
As per betwixt statement, there is potential difference between each other. Due to this there should be some circulating current.
while you are going to use the parallel arrangement, that must be power transistor. it should huge current delivering capacity.
In some cases the circulating...
Hi,
I think that your project works fine without inductive load.
when load connected, your microcontroller goes to unstable state.
Just add two capacitors .01uf and 100uf most nearer or on the microcontroller power pins and make it stable.
Take care.
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