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hi gus
i have Battery 12v/12Ah................ and i have 50 piece of battery.....
and i need to connect there batteries in series to obtain 600 volt....
now:
1-i need to know how can i to connect the batteries in series without the batteries voltage drop.
2- i need to know the protection for...
this is due to mismatch of the regulator to the fan
the winding turns in the regulator are not correct for speed control
by trial and error the correct winding for low speed needs to be found out and the core rewinded
i am bought a new regulator and the regulator have same company of the...
thank u cameo_2007
but the regulator is work with no any problems
also when increase the speed of fan by regulator , the fan is respond to the regulator
but my problem is the lowest rang in regulator is give high speed and i need to decrease this speed at the lowest rang of regulator.
note: i...
hi guys
in my house, i have ceiling fan, but when choose the lowest speed of ceiling fan by fan regulator ,the ceiling fan is rotate very quickly.
now my question is:
can i put variable resistance in series with the output of regulator of ceiling fan in order to decrease the speed of ceiling...
thank u barry
frequency analysis is used to represent frequency component of acquired signal
frequency analysis like FFT , FT, spectra analysis
thank u barry , i asked this question only to make sure of the answer
u can help me if u have any additional answers
thank u again
hi guys ....
1-why most data acquisition cards contain counters???
but from studying this object, i found there is no needed to counters
2-also why we use frequency analysis to the acquired signal??
thank u FvM
yes , it based on hall effect sensor, it use for measuring current (AC or DC) in PCB that is cannot be measuring by clamped device .
but hall effect sensor used with clamped devices . now i need construction of hall current probe and how hall effect sensor used with current probe.
that 's ok
now, the good solution is the frequency is inversely proportional to the flux in CT air gab and that make CT operate under saturation conditions when operate at low frequency.
thanks to fvM & madhusuthanan
low frequency is about 10 or less than 10 hz
but if CT operate at frequency 10hz this make it operate under saturation conditions (saturation in flux )???? i expect that , what is your answer about that
ok,
I mean intelligent device is intelligent power transistor or thyristor or power diode
the intelligent device is protect itself from high di/dt or dv/dt
but i dont find the explaining of it in details
please help me thanks
Hi,
i need explain in details on the power switch device (Intelligent switch Devices )
like characteristic, mechanism , application and datasheet:?::?:
thanks
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