How Solar Grid Tie System Works

!±8± How Solar Grid Tie System Works

Learn at www.DIYsolar1.com how to build a system for about .00 a watt. This video give an explanation on how a solar PV grid Tie System works.

How Solar Grid Tie System Works

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Grid tie-in inverter!!!.AVI

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Had to try out my new inverter... Pumps current from my solar panel system directly into the house!!!! Lower that electric bill.... BIG thanks to my best friend Suzy on the E-bay help...

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Sunny Boy SB 7000US Grid Tie Inverter 7000W with DC disconnect

!±8±Sunny Boy SB 7000US Grid Tie Inverter 7000W with DC disconnect

Brand : SMA
Rate :
Price :
Post Date : Dec 17, 2011 02:15:09
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Sunny Boy 5000US/6000US/7000USThe Sunny Boy 5000US, 6000US and 7000US represent SMA larger units in the new US series of Sunny Boy string inverters.They are extremely robust inverters equally suited for large residential or commercial applications.Completely updated with SMA most advanced technology, they were designed specifically to meet the new IEEE 1547 requirements.The larger inverters of the new US series come with an integrated AC and DC disconnect switch making installation even more cost-effective.They can even be configured for positive ground systems in the field making them more versatile than ever.Increased efficiency means better overall performance and shorter payback periods.The Sunny Boy 6000US and 7000US are compatible for use with the Sunny Tower 36 kW and 42 kW systems.Each comes with a standard ten year warranty and are engineered and built to provide years of trouble-free service.

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New 500w Small Grid Tie Solar Power Inverter Converter 24-52v Dc to 90v-130v Ac

!±8± New 500w Small Grid Tie Solar Power Inverter Converter 24-52v Dc to 90v-130v Ac

Brand : mass power | Rate : | Price :
Post Date : Dec 11, 2011 10:54:39 | Usually ships in 1-2 business days

INTRODUCTION: The only plug and play small grid tie photovoltaic system;The stackable small grid tie photovoltaic system

INSTALLATION :The individual system of SGPV is shown in Figure 2

1,Installing the solar panel of the SGPV at a suitable location that sunshine can irradiate on it.

2,Connecting the cables of the solar panel to the DC input terminals of the small grid tie inverter of the SGPV, inserting the plug of the inverter into the socket of the home grid.

3,When the sun shines, the SGPV will convert the solar energy to the home grid.

SGPV can be stackable, and all SGPVs are independent each other. The total power converting to the grid is the total power of all SGPVs. The installation of each SGPV is same. Connecting large quantity of SGPV to the grid, this will construct high-power grid-tie system.

Model: SUN-500G

Normal AC Output Power: 450W

Maximum AC Output Power: 500W

AC Output Voltage Range: 90V ~ 130V

AC Output Frequency Range: 46Hz ~ 65Hz

Total Harmonic Distortion(THD): <5%

Power Factor: 0.99

DC Input Voltage Range: 24V ~ 52V

Peak Inverter Efficiency: 92%

Standby Power consumption: <0.5W

Output Current Waveform: Pure Sine-wave

MPPT Function: Yes

Over Current Protection: Yes

Over Temperature Protection: Yes

Reverse Polarity Protection: Yes

Island Protection: Yes

Stackable: Yes

Package Includes?Power inverter and Power cord

Operating Temperature Range: -10 ~ 45 centigrade

Dimension: 332mm*265mm*135mm

N.W.:3.4Kg

G.W: 3.9Kg

• Normal AC Output Power:450W; Maximum AC Output Power:500W
• AC Output Voltage Range: 90V ~ 130V; DC Input Voltage Range: 24V ~ 52V; Total Harmonic Distortion(THD):<5%; Power Factor: 0.99
• AC Output Frequency Range: 46Hz ~ 65Hz. Peak Inverter Efficiency: 92%; Output Current Waveform:Pure Sine-wave; Standby Power consumption:<0.5W
• Features:MPPT Function/Over Current Protection/Over Temperature Protection/Reverse Polarity Protection/Island Protection/Stackable
• Package Includes: Power inverter and Power cord

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Power Inverter, Power Charge Controller, Grid Tie Inverter - Everything You Need to Know - Solar

!±8± Power Inverter, Power Charge Controller, Grid Tie Inverter - Everything You Need to Know - Solar

Power Inverter

Generally a power inverter transforms the current from DC to AC and from a lower wattage to a higher wattage. E.g. 12v DC to 240v AC, 12v DC to 110v AC, 24v DC to 220v AC...

They have an input and one or multiple outputs. To their input is generally connected a battery or a battery bank and their outputs are just like a regular house power point where you can connect almost any electronic device that requires to be plugged into a power point, we're talking about a medium to a large capacity inverter. E.g.: TV, radio, lamp, vacuum cleaner, toaster, hair dryer... depending on the size of your inverter which can vary from a few watts to a few KW output.

There are two types of power inverters: modified sine or pure sine.

Modified sine power inverter is an inverter which transforms the current from a DC to AC and puts out a certain voltage based on the product you bought for example if you live in Australia you would buy a 240v, in Europe 220v in Asia 230v, in US 110v whatever power you have in your power point in your household. The current produced by this standard power inverter will be similar but not perfectly identical with the one you use at home. You can notice the difference in some fine electronics like TV, radio, some lighting, etc. If you intend to use it for this fine electronics I would not suggest this product as it can do some damage in a long term, but I would suggest a pure sine inverter.

Pure sine power inverter is an inverter which transforms the current still the same from DC to AC, but imitates PERFECTLY the power from your grid or household, in a pure way. They are more advanced electronically but more expensive as well, about double the price on the market.

Note! None of the above two inverters are to be used if you intend to export power from a power supply (battery, solar panel, wind turbine) to your house grid as they are not electronically ready to export power. If you connect it to a power point, instead of the current that you produced to export to the grid, the actual current from your power point will try to travel into your inverter and will without a doubt blow up. In order to export to the grid the power that you produce, there is a Grid Tie Inverter (GTI) made for this process.

Grid Tie (grid-tied) Inverter

GTI is a new technology inverter which gets either wired directly to your house grid (by a certified electrician only) usually they are larger capacity units and there are some smaller units which get plugged into a power point (power outlet) DIY.

How they work: GTI reads and analyses your grid/power point current and when connected to a battery, battery bank, solar panel or wind turbine as an input, it takes the power from this sources, transforms it perfectly into the type of power it has read and analyzed from your grid/power outlet and exports it to your grid.

If you intend to make your own solar panel power system or a wind turbine system this smaller units are very handy to use, as you don't need to do any wiring to your main power circuit it is just a plug and play unit. Another great feature is that a grid tie inverter has the capability to turn itself on as soon as there is power coming in and turning itself off when there is none and also, turning itself off when it doesn't read any power in your grid/power point and turning itself on when it does read some power in order to export. This feature is called Islanding protection and was created so if there is a power problem on your street or has been intentionally turned off by the electrical company in order to fix it or do some maintenance, your GTI will stop working so it will not continue to export power to the grid otherwise the electricians can get electrocuted when working with the main street grid unit knowing that there is no power on the lines as they turned it off but your GTI was still exporting it.

Power Charge Controller

A power charge controller is a smart piece of electronic device which have been designed to do a few tasks. They have the capability to receive the power that you produce with a solar panel or a wind turbine and charge a battery or a battery bank.

A second feature is that it will only allow the current to travel one way from to panels or wind turbine to the batteries and not the other way so your solar panels or wind turbine doesn't get damaged.

A third handy feature is that it stops the power from going in to the batteries once they are full so will not overcharge or damage them. Some power charge controllers have some extra features. Some have the capability, once the battery bank is full, to send the power to a load not to waste it by turning itself off.

Another feature some have is a temperature control. Some have an accessory which gets plugged into the charge controller with a long wire and a temperature sensor at the other end. The sensor must be attached to the side of your battery or between batteries in within your battery bank. What this does from here, it reads your battery temperature and keeps your charge controller updated about it. If the temperature goes above a factory set temperature point, the charge controller will turn itself off to protect the batteries in case there is a fault in within your battery bank.

Another little feature can be an LCD which can tell your battery bank's voltage, the amount of watts or amps being sent to your battery. I tried a few different brands in the past but most advanced brand that I had in hand and I'm currently using in Xantrex. It has all the above mentioned features. Some other people's favorite brand is Sunnyboy. There are lots of brands to choose from.

Watch the video for this article and see all the above components in action HERE.

Power Inverter, Power Charge Controller, Grid Tie Inverter - Everything You Need to Know - Solar

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