Luminous sinewave inverter is one of the best selling inverter available in the market today
Features of sinewave inverter
1. User-friendly design
2. Battery deep discharge protection system
3. Pocket friendly price
5. Available at all major retail outlets
6. Multi -discharge protection system
Range starts from Rs. 5990
For more information dial 1800 200 3939 / 1800 11 3535 (Toll free number)
Visit http://www.luminousindia.com now
An inverter is designed to provide an AC voltage from a battery or DC supply. The AC voltage provided varies in waveform makeup from a square wave to a true sine wave. In between the two extremes are the multi step devices that have as many steps in their modified sine wave as they have switching devices needed to provide each step. Multi step inverters with as many as 48 steps have been manufactured to produce a relatively clean AC waveform.
The sine wave at low frequency is unstable because it can create strong currents that nobody can stop them from
we cannot use transformer because transformer cannot change frequency . . .
Online UPS on the other hand uses an Inverter which always on to give sine wave AC in the output socket. The incoming AC is first converted into DC by a transformer to charge the battery as well as to give power to the inverter transformer. The inverter transformer converts the DC to AC continuously to power the load. If power fails, the battery backup circuit switches on and takes the load. Online UPS is more efficient than the Offline UPS and uses a "Constant duty Inverter". It also has a "Static bypass" system that transfers the load to the AC power if the inverter system fails. The advantage of the Online UPS is that, it clean up the AC waveform by converting it into DC then reconverting this DC to fresh AC.
The phase angle varies from 0 to 360 degrees as the wave cycles.
One can purchase a sine wave inverter when one goes to sites like Amazon and eBay. At Amazon, there is a sine wave inverter that sells for only $400 while the original price is $800.
The sine wave is a mathematical function that describes a smooth repetitive oscillation. An Inverter is an electronic device that converts power from one voltage to another.A pure sine wave inverter is a device that produces a smooth and consistent flow of electricity in the required voltage.The benefits of a pure sine wave inverter are that the device requiring the electricity from the inverter will not suffer from surges and lows in power output and as such the connected device will perform a lot better.
There are many places a person can buy a pure sine wave inverter. Some of these places are Amazon, Home Depot, Canadian Tire, Inverter Supply and eBay.
how squre wave convert into sine wave incase of inverter
A sine wave inverter is used to run an electronic device from a battery when the device is something that needs sine-wave AC to operate. So, in the sense that the inverter makes the device run properly, I guess you could say that it 'affects' the device.
Many people are unsure of the differences between a modified or pure sine wave inverter. Think of a modified sine wave inverter as a set of stairs. You will get power in blocks and there will be times when the output is sketchy. A pure sine wave inverter provides power much like the power provided by an electric company. Pure inverters provide smoother and more reliable power waves than a modified inverter. A modified inverter is less expensive and can run smaller items, such as a coffee maker or microwave. However, you may want to consider investing in a pure inverter if you want to run larger items, like a computer or television. Electronics that tend to draw a lot of power should always be run on a sine wave inverter for consistency and safety.
There is more than one technique. The most common is to use an electronic switch to convert the DC into a square wave, the square wave is filtered to make it a (rough) sine wave. This can then passed through a transformer to the desired voltage. The advantage of this system is that it is very efficient, the disadvantage is that the sine wave produced isn't all that good a sine wave and some devices (AC motors, for example) sometimes have problems when being powered by inverters. An alternative is to use an oscillator to produce the sine wave. This produces a better sine wave, but is less efficient.
By switching circuits or transistors that turn on and off the polarity. This usually results in a square wave output. Then capacitors charge and discharge to smooth out the square wave to resemble the AC sine wave. The better or more expensive the inverter, the closer to an actual sine wave it gets.
Most of the inverters cant reproduce proper Sine Wave.They are usually producing modified square waves.Some high cost inverters can produce pseudo sine wave(more similar to sine wave). The fans field windings are designed to produce proper revolving field only with standard sine wave.When using modified square wave the field produced will be jerky.These jerks are the main reason of sound.The un-filtered harmonics in the produced wave is also a factor
for modified sine wave inverter (most common type, if it doesn't say than it's modified sine) a safe bet would be the 1,000 watt inverters or higher because the mini fridge will surge 3-5 times its continuous rated wattage for anywhere from 1-10 seconds. so although your fridge only needs 90-150 watts to run it might burn out an inverter say in the 150-300 watt range. a modified sine wave 1,000 watt inverter is about $65-100. you are supposed to buy pure sine wave inverters for a fridge, but those are expensive. you do run the risk of ruining the fridge faster if you do not run pure sine wave , however.
One can purchase a 12V power inverter from a variety of stores. Stores such as Home Depot, Walmart, The Inverter Store, Harbor Freight Tools, and Amazon sell them.
Well, a pure sine wave can only be produced as a pure sine wave. If it was modified to begin with, it would never be a pure sine wave. However, an actual generator should be supplying pure sine wave output, while something such as an inverter would be producing a modified sine wave.