# What is alternative voltage?

Would you like to merge this question into it?

#### already exists as an alternate of this question.

Would you like to make it the primary and merge this question into it?

#### exists and is an alternate of .

Alternating voltage is the E.M.F. and is one whose magnitude whose magnitude changes with time and direction reverses periodically.
The instantaneous value is given by
E=Eo sin w t, where,E=value of alternating voltage at time t
Eo = maximum value of alternating voltage(amplitude)
w=angular frequency of supply.
1 person found this useful

# How do you tell if your voltage regulator or alternator is the problem?

Answer 1 There are several ways, but if you have to ask, the test equipment and procedures are too much to cover here. The make, model, year, engine, accessories, etc., on your vehicle, will set the requirements for the test equipment, tools, and procedures which will be necessary. Also, depending ( Full Answer )

# Why does a transformer require alternating voltage?

Because transformer will saturate by apply Direct Voltage, this is due to infinite Volt-Secondes applied to transformer

# Why is the output voltage of an alternator regulated?

Answer 1 . To limit the rate at which the charge is put into the battery in order to prevent overheating, boil-out of the water in the acid electrolyte, and eventually ruining the battery.

# Why is alternating current low voltage?

Alternating current is not necessairly low voltage, on the controrary AC is more oftenly used for when high voltage is needed. Most power distribution systems (extremely high voltages) use AC because AC is easier to transform to high voltages (using the aptly named transformer). High voltage is need ( Full Answer )

# A transformer can only the voltage of an alternating current?

A transformer can only increase or decrease the voltage of an alternating current, and it is called step-up transformer or step-down transformer accordingly.

# How do you control dc voltage in alternators?

Typically by varying the magnetic field strength. This is done by varying the current flow through the field windings.. It is usually accomplished by a voltage regulator circuit.

# Is the voltage regulator in the alternator on a 2000 Maxima?

Regulator is mounted on the back of alternator. It is replaceable if you can find parts. Brushes are there also.

# What is alternating current voltage?

An alternating current (AC) is an electric current whose direction reverses cyclically, as opposed to direct current, whose direction remains constant. The usual waveform of an AC power circuit is a sine wave, as this results in the most efficient transmission of energy. .

# Why alternator not putting out voltage?

\nIt's either been overloaded trying to charge a dead battery and fried itself, or there may be a burnt out fuse. Check connections and have the battery tested.

# What is the alternating current supply voltage in the UAE?

The United Arab Emirates runs a 50 Hz power supply service at 240 volts nominal. For more information see the Related Link and the answer to the Related Question shown below.

# What is the voltage of a 2001 dodge caravan alternator?

Most or all automotive alternators output 12+/- Volts DC. The actual output varies slightly depending on the age of the alternator. A new one typically outputs around 14Volts which decreases with age. Once the alternator starts ouputting less than 12Volts, you should consider rebuilding or replacing ( Full Answer )

# How do you determine the voltage regulation of synchronous alternator?

The volatge regaulation be calculated by calculating the percentage difference between volatge at no load and voltage at full load

# What voltage should your alternator produce?

Charging Voltage Range . On vehicles with a 12 Volt electrical system the alternator [or generator if so equipped] output voltage is considered acceptable if it is in the range of 13.5 volts to 16 volts. . Any voltage below 13.5 volts will not adequately recharge the battery, and anything above 16 ( Full Answer )

# Why it is called alternating current and not alternating voltage?

Although in AC, the voltage does change, it is the reversing of direction of flow of the current which was used to designate the AC name. Answer In engineering terminology, the abbreviation a.c. is considered to be an adjective . So, it is quite normal to talk about an 'a.c. voltage', in ( Full Answer )

# Why is that alternating voltage is used in appliances in homes not direct voltage and mixed voltage?

Alternating current is used in the bulk electric system for power transportation because it is easier to step up/down voltage, therefore easier to minimize loss due to transporting over a long distance. Voltage is stepped up / down using transformers. In the bulk electric system, there are DC power ( Full Answer )

# How much voltage does an alternator put out?

Automotive Alternator Output Voltages With a properly operating alternator, AND electrical system, a voltage output range of 13.5 Volts to 16 Volts is considered acceptable. Just the alternator puts out around 120 vac, but most newer alternators include a built in rectifier that limits volta ( Full Answer )

# How do you measure effective value of an alternating voltage?

The "effective" value of an alternating voltage is generally considered to be the RMS (Root-Mean-Square) value. The best way to measure that is with a True RMS voltmeter. Lacking that, if the voltage is sinusoidal, you can use an older style peak measuring voltmeter that estimates RMS value by divi ( Full Answer )

# How do you measure the voltage on a car alternator?

get a multi meter that reads dc voltage & touch the black (negative -) wire to the negative battery post & the red (positive +) wire to the positive battery post with car running. car off is battery voltage, car on is alternator voltage.

# Does alternating voltage changes its value or direction?

AC voltage with no DC offset will change both it's voltage level (constant change, hence AC) and polarity (ie direction) every 1/2 cycle when it crosses zero.

# What is a device that increases the voltage of alternating current?

The device you are referring to is called a transformer. Not only can a transformer increase voltage, it can decrease voltage as well. These are known as a step up transformer for increasing voltages and step down for decreasing voltages.

# A transformer decreases the voltage of an alternating current?

This type of transformer is called a Step-Down transformer. All transformers have an input to output ratio. The transformers that increase voltage are called Step-up, and the transformers that protect against surges are called unity gain. The Unity gain transformer has a 1:1 ratio and provide a me ( Full Answer )

# Why does the voltage induced in a generator alternate?

because of the gravity of the earth that rotates around the sun, located in the biggest blackhole.

# What is a 2007 Trailblazer alternator output voltage?

The alternator output voltage in most modern 12 volt automotive systems ranges from 13.5V to 14.5V, with the nominally accepted value being 13.8V. The actual voltage depends on battery charge state and temperature.

# What is voltage rms in relation to alternate voltage?

RMS voltage is the DC equivalent of your AC waveform. Vrms=(Vpeak)/(root two) If your peak voltage is 170V then the RMS voltage would be approx. 120 V (see related link)

# How do you control voltage and power factor for alternator?

Since it the rate at which the flux is cutting the conductor determines the (EMF) electromotive force which is the voltage, the best way to control voltage is to adjust the speed of the engine through the governor, coupled with an automatic voltage regulator.

# Why No voltage going to the alternator?

Voltage flows from the alternator not to it. If it is outputting no voltage it is defective.

# What are causes of change in voltage of alternators when loaded?

actully when load of alternator fluctuates it changes the torque at primovers which changes amps so terminal voltage of alternator changes.

# What is average value in alternate voltage?

The term is 'alternating voltage', not 'alternate voltage'. For an a.c. voltage or current, the average value is taken over half its wavelength because, over a complete wavelength it is, of course, zero. For a sine wave, the average value (over half a wavelength) is 0.637 V max or 0.637 I max ( Full Answer )

# What is the RMS value of an alternating voltage?

The RMS value of an sinusoidal alternating voltage is 0.707 of the peak value. That is one half of the square root of two. The r.m.s. value of any alternating current or voltage is the value of direct current or voltage which produces the same heating effect.

# What changes the voltage of an alternative current?

first of all the voltage doesn't change what changes is the current direction the way they do it is by using magnet . electrons tend to escape from the magnetic field . you can find on you tube how a motor works for better idea.

# Why do you transmit alternating current at high voltage?

Because you can transfer high power without the cost of large conductors that would be needed if you transferred high current.

# Why it is called alternating current not alternating voltage?

There's absolutely nothing wrong with using the term 'alternating voltage', if you are describing voltage rather than current. However, In engineering terminology, the abbreviation a.c. is considered to be an adjective . So, it is also quite normal to talk about an 'a.c. voltage', in just the sam ( Full Answer )

# How do you measure alternating current voltage and resistance?

You measure current by inserting an amp meter in series with the circuit or using a clamp-on meter to measure current by induction. You measure voltage with a volt meter across the supply. You measure resistance in ohms across the resistance. Luckily all these functions are in the same meter in most ( Full Answer )

# What changes the voltage of an alternating current?

When a conductor passes through, or 'cuts', a magnetic field, a voltage is induced into that wire. The magnitude of that voltage is proportional to the sine of the angle at which that conductor cuts the magnetic flux. Maximum voltage occurs when the conductor cuts the flux at right angles (sine 90 d ( Full Answer )

# What are the advantages of generating alternating Voltage for transmission?

The main advantage is that it's very easy to step alternating current up or down in voltage by the use of a transformer. High voltage is preferred for long distance transmission because it cuts transmission loss.

# What is the voltage output from alternator to battery?

Normal voltage will be in the 13.5 to 15 volt range engine running turning about 2,000 rpms. It shouldn't exceed 16 volts or it will boil your battery. If it does not run in this range then you need to replace the voltage regulator. These days that is usually done by replacing the whole alternator a ( Full Answer )

# What is a voltage regulator within the alternator?

Depends on the alternator,,, what is it on,?? I can't believe the people that don't state make, model, year and engine size before posting a question.

# Why is voltage regulation important in alternator?

because the voltage should be constant as the full transmission grid need ame voltage for synchronization of alternatos of grid

# Is the alternator and voltage regulator in one piece?

On most cars built within the last 10 years the voltage regulator is built into the alternator.

# How do you check ripple voltage in an alternator?

Connect an oscilloscope and check the screen for a smooth constantripple pattern at high revolution and low revolution.

# Why alternator produces low voltage?

It produces from 13.5 to 15.5 volts but it produces high amperage. It only produces that voltage as that is all that is needed to recharge a 12 volt battery.

# How can the frequency and voltage of an alternator be changed?

The frequency is changed by varying its speed, and the the voltage is changed by varying its field current.

# What is the reason if alternator does not give the voltages?

If the alternator is installed on or intended for a particular vehicle, the voltage would be the battery voltage of the vehicle. Generally this would be 12 V for most modern cars and boats. Aircraft may have 14 or 28 V systems, and there may be other voltages for special applications. If the alter ( Full Answer )

# Why you say AC as alternating current not alternating voltage?

Because its the current that is alternating. Another Answer . There's absolutely nothing wrong with using the term 'alternating voltage', if you are describing voltage rather than current. However, In engineering terminology, the abbreviation a.c. is considered to be an adjective . So, it is a ( Full Answer )

# What happened when you decrese the voltage regulation of alternaTOR?

If you were to be able to decrease the amount of regulation in an alternator, the voltage outputs would become unstable and probably ruin the battery or any devices that run directly from the alternator source. I am not saying that it will happen but it certainly would effect the systems in some way ( Full Answer )

# Which increases or decreases the voltage of alternating current?

(i) EMF (Electro Motive Force) the source of voltage can increase or decrease voltage. (ii) Load connected can increase or decrease voltage (In case of overload voltage reduces.) (iii) Resistance of wire - I R loss ( Voltage drop V = IR)

# How do you check the voltage on an internal alternator?

Internal or external regulator doesn't matter. you can see if it's putting out by running a voltmeter across batt terminals with car running also if it runs with batt disconnected or generates a magnetic feild, it's working. . If it's an older external, you can even change to internally regulated ty ( Full Answer )

# How do you increase output voltage of a alternator?

The voltage output is controlled by the voltage regulator. Check to see if you are getting a DC field voltage. On the voltage regulator there are terminals to different pieces of equipment on the machine. Look for the terminals that are designated F1 and F2. These should have a DC voltage on them. A ( Full Answer )

# Why did Chevy put voltage regulator in alternator?

All cars did when they got small enough to fit inside, since it'spurpose was to regulate alt output in the first place.

# Why is the alternating current voltage increased?

In order to be transmitted long distances, voltage is raised. At the destination, voltage is lowered again to be used. This permits transmission for several miles, which wold not be possible at lower voltages.