Tuesday, April 19, 2011

How to pick the Right Power Inverter For Your Needs

!: How to pick the Right Power Inverter For Your Needs

For those new to photovoltaic systems, the various Components that make up a system may be confusing. Inverters are one of those Components that some may know they need, without knowing why. This guide will help to clear up some obscuring about inverters.

What is an inverter?

Inverters are devices that change direct current (Dc) voltage from photovoltaic cells into alternating current (Ac) voltage.

Why do you need an inverter?

Inverters are primary components of any photovoltaic systems where the load is an alternating current (Ac) instead of a direct current (Dc). Pv modules produce electricity in the form of Dc voltage. This electricity is then stored into a battery in that form. Most household applications require Ac voltage. This expedient will allow you to change your electricity so it will be useful for your household appliances, or for any devices that require Ac voltage as opposed to Dc voltage.

Are inverters efficient?

Today, inverters have can have efficiencies greater than 90%. They are very cost efficient for those finding to use them for situations requiring Ac voltage.

What to take into observation when choosing an inverter:

Usage - what application will you be using the inverter for (off grid, or grid-tie)?

Size of your Pv system - Inverter should match size of your Pv power system or appliance you need it for. If you have a 2,500W Pv system, and must pick in the middle of a 2,000W inverter or a 3,000W inverter, you should go the next size up and get the 3,000W inverter.

However, if you need an inverter for exact needs such as an appliance, and do not know the power rating but know the amperage, a easy recipe is:

Amperes * 120 V = Watts

For example, if you have a easy 5 ampere appliance that requires Ac voltage, then you would need a 600 W inverter.

Manufacturer - Some well known manufacturers are Xantrex, Sma, and OutBack.

Sine-wave - Currently, modified sine wave converters dominate the market and are useful for most purposes requiring Ac voltage. However, clear equipment, such as laser Printers, may require the best potential of power offered by a true sine wave converter. When choosing in the middle of the two, consider the equipment that the inverters will be supplying.

There are many factors to take into observation when choosing the right inverter for your needs. If you are not sure about which inverter may be right for your needs, it may be a good idea to work with an inverter dealer or constructor to conclude which inverter would work for you.


How to pick the Right Power Inverter For Your Needs

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Thursday, April 14, 2011

Top 3 Solar transported Electricity Generators

!: Top 3 Solar transported Electricity Generators

One portable solar electricity generator we looked at comes in three different models. The first version is 12 amp Ac with an inverter of 150 watts. The other two versions, both Dc are either 12 or 30 amps. All these portable solar electricity power generators come with 20-foot long 12/2 cable and Dc plugs for input. What are not included are batteries or modules.

These portable solar generators come factory tested and fully assembled. They are easy to use plug and go systems. The Ac model has an inverter switch on the outside; they all come with Pv module type Accessories for mounting. Other features of these solar generators are 120 Vac sockets equipped with outdoor covers for the Ac models. These same models also have 150-watt internal inverters.

You'll always know the condition of your payment with these portable solar generators, thanks to their battery meters. Protective security and durability features consist of cut off fusion of all sockets, enclosures that are nonbreakable, rugged and resistant to weather and corrosion. The solar panels of these portable generators make them Dc chargeable as well as kindly to the environment. Each of these made for your home power generators come with 2 Dc sockets that can accommodate loads as high as 90 watts each.

This made for home portable power generator can be recharged from a solar module or an Ac battery charger, an elective accessory. The unit is fully integrated and generators Ac or Dc electricity quietly. It is ideal for running lights, fans, Laptops, and small televisions or power tools.


Top 3 Solar transported Electricity Generators

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Monday, April 4, 2011

Inverter Generator - generate Some Real Power

!: Inverter Generator - generate Some Real Power

An inverter generator is becoming a tool that is key in the use of outdoors sportsmanship such as camping and life in general. They are always helpful in a jam and a crisis.

What is it?

This gismo converts 12-volt power into 120-volt power. More of you can run this electrical gismo off of your car or you could spend in a deep cycle battery that is devoted specifically to the generator. This is a great solution but only if you can keep your power demands at or lower than the 200-watts, but it can become costly if you want or need to get one that will pump out more power.

What Are the Benefits?
There are two main benefits to having one. The first one is that there is no maintenance required, as long as you use your car to operate them. If you select to use the deep cycle battery as the power source than you will have to contend the deep cycle battery. The other advantage is they are super quiet, unlike customary generators that make enough noise to make folks want to go without the power. They can also can be purchased in low wattage models to run just a light or television for around fifty dollars.

Car Battery Vs Deep Cycle Battery

A deep cycle battery is good qualified to pump out double the power that a car battery can. A deep cycle battery can push out power for up to 12 hours uninterrupted. Even in Cases where less power is needed a car battery can run for around twelve hours but a deep cycle battery can run for around 3 days. If the inverter generator is attached directly to the car battery through jumper cables it will crank out plentifulness of power, except the engine will have to be engaged the entire time, or the life will be sucked right out of the batter. In situations where the power is going to be demanded for more than a few hours it may be best to spend in a gasoline powered generator.

Inverter generators are good able to supply power for small loads for a brief period of time.


Inverter Generator - generate Some Real Power

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