Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Half-wave rectifier:
A half-wave rectifier will just only give one peak per cycle and for this reason and other reasons is only employed in extremely small power supplies. A full wave rectifier acquires two peaks each cycle and this is the best which can be done with single-phase input. For three-phase inputs a three-phase bridge will provide six peaks per cycle and even higher numbers of peaks can be acquired by using transformer networks placed before the rectifier to transform to a higher phase order.
To further reduce this ripple, a capacitor-input filter can be employed. This complements the reservoir capacitor along with a choke (inductor) and a second filter capacitor that is why a steadier DC output can be acquired across the terminals of the filter capacitor. The choke represents high impedance to the ripple current.
A more general alternative to a filter, and necessary if the DC load is extremely demanding of a smooth supply voltage, is to follow the reservoir capacitor along with a voltage regulator. The reservoir capacitor requires to be large enough to avoid the troughs of the ripple getting below the voltage the DC (direct current) is being regulated to. The regulator serves both to remove/eliminate the last of the ripple and to deal with differences in supply and load characteristics. It would be probable to make use of a smaller reservoir capacitor (these can be large on high-current power supplies) and after that apply some filtering as well as the regulator, but this is not a general strategy. The extreme of this type of approach is to dispense with the reservoir capacitor altogether and put the rectified waveform straight into a choke-input filter. The benefit of this circuit is that the current waveform is smoother and as a result the rectifier no longer has to deal with the current as a large current pulse, but in place of the current delivery is spread over the whole cycle. The downside is that the voltage output is very much lower - almost the average of an AC half-cycle rather than the peak.
Q. (a) An audio amplifier with R i = 10 k, R o = 0, and ¯A(ω), as shown in Figure (a), is used in the circuit shown in Figure with R S = 1 k,R L = 16 , and C = 0.2 µF. Sk
find Ic Vc Icsat Vcutoff
Q. Describe in detail the construction and working of analog type storage oscilloscope. Explain the principle of secondary emission. Analog Storage Oscilloscopes: Storage o
i need help for my final year project, and i will really appreciate if you can assist me as soon as possible
i dont know how to start
Working and block diagram
Actuators These devices convert electromagnetic energy to mechanical energy to produce intermittent mechanical movement (e.g. opening a valve in a central heating system or c
HOW TO PERFOM AUTO DIALLING USING GSM MODULE
Amperes Circuital Law The observation that magnetic field strength varied with distance from the wire led to the following statement: 'If the magnetic field
Followings are some disadvantage a. Higher latching and holding current b.Higher on state voltage drop and power losses c.Higher gate current d.Higher gat
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd