0
Why you use capacitors before and after regulator ICs in a voltage supply circuit?
Wiki User
∙ 14y ago
The capacitor before the IC is filtering the output of the rectifier, so that the minimum voltage dip between diode conduction cycles is greater than the minimum voltage the IC requires. The capacitor after the IC is stabilizing the IC, by preventing it from oscillating, and responding to quick changes in load faster than the IC can.
Wiki User
∙ 14y ago
Add your answer:
Earn +20 pts
What is definition of residual voltage?
Net voltage in the Neutral of a three phase electrical system is called residual voltage.
What is the higher voltage at the electrode before the arc is struck called what is it's advantages to welding?
Open circuit voltage is the voltage at the electrode before striking an arc (with no current being drawn). The higher the open circuit voltage, the easier it is to strike an arc because of the initial higher voltage pressure.
What causes a capacitor to blow?
Capacitors can fail for a few reasons, and sometimes the do "blow". Capacitors have voltage limitations which, if they are exceeded may cause internal arcing or flashover. Once initiated, arcing can cause sudden heating and if the circuit supports high enough energy the capacitor can be damaged and may actually come apart. For polarized capacitors, reversing the polarity may even result in catastrophic failure at normal voltage levels. Another reason capacitors fail is as a result of high current. If a capacitor is subjected to high frequency currents of sufficient magnitude internal heating can result and once again damage will result. With enough energy it may come apart. One last way capacitors may be damaged is through sudden discharge. Generally high voltage ceramic capacitors may be charged to high energy levels. With a sudden discharge ceramic capacitors can respond with a piezoelectric effect and the ceramic may actually shatter.
What is electrical shock sensation?
It is the hard way finding out that the electrical circuit is still energized. It is much easier on the body if a tester is used to check for voltage before any work is started on any electrical circuit.
Precaution to be taken when working on or near ''live'' equipment?
Make sure all power sources are disconnected and capacitors are drained before working with a device. Make sure you are properly grounded, because static electricity contains thousands of volts and can easily fry an intergrated chip. If possible, work out the circuit on paper before attempting to build it. Make sure you meet the wattage constraints of each component in the circuit or you may cause severe damage to them. If you see or smell smoke, cut power and then check each piece of the circuit to determine which one you have burned. Blown capacitors make a loud pop and are very easy to spot because it has strewn itself all over the work bench. Your main concern should be that you and the work area is sitting at earth ground. Some of these IC parts are very sensitive to voltage liKe ESD.
What is definition of residual voltage?
Net voltage in the Neutral of a three phase electrical system is called residual voltage.
What is open circuit voltage?
The voltage before it is hooked up to a resistive load.
What is a regulator on a 50cc motorbike do?
the regulator takes the power produced from the alternator and converts it to the correct voltage before going into the battery.
Do you need a voltage regulator if you have an alternator?
yes to regulate the current before it in to the battery.
Is it safe to take apart electronics if they are unplugged?
In most cases it would be safe. but some devices such as TV's and CRT Monitors can hold voltage for an extended amount of time. be sure to do some research on what ever it is your tinkering with before opening it. Also, electronics with large value capacitors either electrolytic and "oil can" capacitors can hold a significant charge until discharged. Always discharge all capacitors before touching any part of the circuit.
Where is the voltage regulator located on a 3910 Ford Tractor?
There is a plate behind the battery and before the fuel tank, where the voltage regulator should be bolted. It is a small, metal rectangular box, with four wires coming from it.
How do you make a simple circuit?
Before constructing a simple circuit we must first have in mind which type of source is to be supplied to the circuit . A simple circuit may consist of the following components such as capacitors, resistors , inductors etc
Does harley voltage regulator get a breaker before wired to the battery?
No. The DC output from the voltage regulator is connected directly to either the positive terminal of the battery or the hot side of the starter relay on some older models.
What is the higher voltage at the electrode before the arc is struck called what is it's advantages to welding?
Open circuit voltage is the voltage at the electrode before striking an arc (with no current being drawn). The higher the open circuit voltage, the easier it is to strike an arc because of the initial higher voltage pressure.
How do you discharge a monitor before disposing of it?
In the case of many electronics, you can discharge any capacitors by first unplugging it (and disconnecting any batteries) and then pressing the power button. The capacitors should drain when the circuit is opened.
What is a parallel circit?
A closed circuit in which the current divides into two or more paths before recombining to complete the circuit. The voltage remains the same throughout the circuit.
What do you need to complete before the current?
You need a closed circuit. You also need a voltage source.
