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Going green! The options we have when choosing alternative energy

Human activity is destroying each day our atmosphere with all kind of global warming emissions that, in time, will generate significant and harmful impacts, not only on the environment and climate, but also on our health.

We are happy to see more consumers with every day, whom are making some efforts to reduce their environmental impact. Using green energy is one of the most effective ways to make a difference. Green energy is produced by renewable energy sources, among which solar energy, wind energy and hydroelectricity. These sources help us reduce our dependence on gas, oil and other fossil fuels  that are becoming more expensive and difficult to find.

If you find yourself among those people, eager to help improve the environment and its health, here are some examples of renewable energy sources that can help you on how to green energy.

Wind powered turbines. Wind is a form of solar energy because it is produced by the sun. The sun unevenly heats  the surface of the Earth. Whenever the hot air rises, the cooler air moves in and fills the gap. So, as long as the sun shines, the wind will blow.

The process by which the wind is used to generate electricity is called wind power or wind energy. Wind turbines take over the moving air and power an electric generator, which provides the electric current. In other words wind turbines convert the kinetic energy from wind into mechanical power: the wind spins the blades that rotate a shaft; the shaft is connected to a generator and produces electricity.

The manufacturers of wind turbines developed the systems under two big categories: horizontal-axis – such as the farm windmills and vertical-axis –  like the eggbeater-style Darrieus model. The first model is the most modern and its components are: blades ( converts the energy in the wind  to rotational shaft energy), drive train (including a gearbox and a generator), tower ( the support for the rotor and drive train), small components (controls, electrical cable, ground support and interconnection equipment). Like other renewable energy systems vary in size and therefore in power ratings.

The difference between horizontal and the vertical-axis wind turbines is that the last one does not need to be pointed into the wind to function. This is a good alternative for a site where the wind direction varies often.

Water powered turbines. If you are lucky enough to have a source of running water nearby your home, then you should take full advantage of it. Water turbines are used since the 19th century when they were first developed. Back then, their main usage was for industrial power prior to electrical grids, but now they are used for generating electric power.

Hydropower or hydroelectric power is the process by which the flowing water is captured and turned into electricity. To be more specific, the blades of a turbine runner are driven by the flowing water, creating a pressure that makes the runner spin. As long as the runner is spinning, the energy from the water flow is transferred to the turbine.

There are two groups of water turbines:

  • Reaction turbines – the most used; the moving water from the turbine changes pressure and gives up its energy; they must be submerged in the water flow or embedded, so they retain the water pressure.
  • Impulse turbines – the water jet pushes on the blades and changes the direction of the flow which causes a force on the turbine blades. The force of the spinning acts through a distance and lets the diverted water flow with reduced energy. Before hitting the blades, the water pressure is converted to kinetic energy and relies on the turbine. Since there is no pressure change on the blades, the turbine does not need to be encased.

It is not important what type of renewable energy you choose, what matters is to use it at full capacity and to take in consideration your location, resources and how you can benefit from them.

Home solar panels – cheaper than you think!

If  you are seriously considering about installing solar panels on your house, there is no better time than now. It may sound like a cliché, but like almost every innovation, the cost of solar panels became lower over time, as they have been improved and the number of manufacturers has grown. The price of PV cells is dropping every day, if you are also to take into consideration the financial incentives from the Government that are available.

 

In order to make a solar panels price comparison, you should take into consideration, aside from the cost itself, some other important things. These, will help you choose the right type of panels, depending on the area you live in and on how much power you use.

 

First, considering that solar panels are dependent on sunlight, your home location has a big effect on the system. Tall and shading trees or buildings, represent a problem for your electrical-power generation. For example, poly-crystalline panels will significantly reduce its output if shaded, but mono-crystalline panels will stop producing electricity. So, the more sun exposed the panels are, the more efficient they will be.

 

Second, the insolation rating –  measures how much solar radiation hits the ground in a certain area, in a certain period of time. It is measured in kWh/m2/day, and if your location is highly exposed to insolation, then you panels will generate more electricity. This means that a high value of insolation can guarantee you more power from fewer panels.

 

Third, how much power you use? To get an estimated number, take o look on your bill and calculate how many kWh/day you use. If you have a big house, it does not mean the solar panel system has to be big too. The most important factors are the insolation and the number of peak sunlight hours you get per day.

 

The tremendous variation of solar panels cost, it depends on the three factors summarized above and also, on the type and efficiency of the system. The studies  have shown that an average solar homeowner can save around $20000 in 20 years.

 

The US government encourages the development and investment in renewable energy systems. They offer incentives and rebates for the installation and purchase of any type of solar systems. This tax credit will help you cover a generous part of the installation cost, depending on your location. Now, it is easy to have cheap solar panels, if you do not have enough money to buy them.

 

Nevertheless, the benefits of solar power system are obvious: the energy from the sun is free and endless; there are no carbon emissions – it provides green energy and you save money.

 

SOLAR POWER SYSTEMS, green energy for your Home

SOLAR POWER SYSTEMS, green energy for your house

SOLAR POWER SYSTEMS eco-friendly with the environment

Be part of the world changing with SOLAR POWER SYSTEMS

To start with, let us tell you a few things that can help you understand how solar power can work in your benefit.

Solar power is a form of renewable energy that can be used under different forms to help power your house.Nowadays, the availability and wide use of solar energy, gives us the possibility to choose from much better looking systems than when they were first created, in terms of aesthetics and size. One of the most common RENEWABLE ENERGY PRODUCTS used to supply electricity in residential houses, is the solar panel or the photovoltaic panel.

Solar panels help turn sunlight into electricity. Small cells connected together on a panel generate electricity whenever sunlight hits them. The photovoltaic cells are made of a positive and a negative piece of silicon that is placed under a thin slice of glass. The electrons knock off the silicon while the PV cell is exposed to sunlight.

The electrons connected in a circuit, are caught by the small wires on the silicon and they form the electric current, which generates Direct Current. All that power goes into an inverter that finally converts Direct Current in Alternative Current, ready to use in your house.

Each panel produces a certain amount of power, so they are typically grouped in multiple panels.

Why you should BUY SOLAR PANELS?

As far as the sunlight is free, after you have bought your solar panels, you will be actualy receiving free electricity. The only minor costs you will have, will be from your utility company.

Solar panels are effective and durable and also eco friendly. You will help the environment by reducing the carbon emissions generated by the energy produced from fossil fuels, therefore you will be living green.

Another great part about solar panels is that if they generate more power than you need, it can be sent into the national power grid or it can be drawn into a battery source for later use.

 

 

Free Shipping for Samlex products

Great news everybody.

All Samlex battery chargers, inverters and charge controllers can now ship for free using UPS Ground.

How? Use SAMLEX2 coupon code during checkout.

 

Enjoy your Samlex!

Sale Coupons

Don’t miss our existing offers.

Using SAMLEX1 coupon code you get 10% off for Samlex inverters and battery chargers.

With MAGNUM1 coupon code you get 10% off and FREE shipping for all Magnum inverters, charge controllers and accessories.

 

 

Limiting Electro Magnetic Interference (EMI) Inverters

The G4 contains internal switching devices that generate conducted and radiated electromagnetic interference (EMI). The EMI is unintentional and cannot be entirely eliminated. The magnitude of EMI is, however, limited by circuit design to acceptable levels as per limits laid down in FCC Part 15(B) for Class A Digital devices.

These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.
This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications.
Operation of this equipment in a residential area is likely to cause harmful interference and the user may take necessary steps as necessary to correct the RF interference as necessary.
The effects of EMI will also depend upon a number of factors external to the inverter like proximity of the inverter to the EMI receptors,
types and quality of connecting wires and cables etc. EMI due to factors external to the inverter may be reduced as follows:
• Ensure that the inverter is firmly grounded to the ground system of the building or the vehicle
• Locate the inverter as far away from the EMI receptors like radio, audio and video devices as possible
• Keep the DC side cables between the battery and the inverter as short as possible. Twist the DC side cables. This will partially cancel out the radiated noise from the cables Shield the DC side cables with metal sheathing / copper foil / braiding
• Use coaxial shielded cable for all antenna inputs (instead of 300 ohm twin leads)
• Use high quality shielded cables to attach audio and video devices to one another
• DO NOT operate other high power loads when operating audio / video equipment

How the Enphase M215 Microinverter Works?

The Enphase Microinverter maximizes energy production from your photovoltaic (PV) array. Each Enphase Microinverter is individually connected to one PV module in your array. This unique configuration means that an individual Maximum Peak Power Point Tracker (MPPT) controls each PV module. This ensures that the maximum power available from each PV module is exported to the utility grid regardless of the performance of the other PV modules in the array. That is, although individual PV modules in the array may be affected by shading, soiling, orientation, or PV module mismatch, the Enphase Microinverter ensures top performance for its associated PV module. The result is maximum energy production from your PV system.
System Monitoring
Once you install the Envoy Communications Gateway and provide an Ethernet connection to your broadband router or modem, the Enphase Microinverters
automatically begin reporting to the Enphase Enlighten web server. The Enlighten software presents current and historical system performance trends, and it informs you of PV system status.
Optimal Reliability
Microinverter systems are inherently more reliable than traditional inverters. The distributed nature of a microinverter system ensures that there is no single point of system failure in the PV system. Enphase Microinverters are designed to operate at full power at ambient temperatures as high as 65 C (150F).
The microinverter housing is designed for outdoor installation and complies with the NEMA 6 environmental enclosure rating standard:
NEMA 6 rating definition: Indoor or outdoor use primarily to provide a degree of protection against hose – directed water, the entry of water during occasional temporary submersion at a limited depth, and damage from external ice formation.

Fully Integrated Microinverter System Ground

Like the Enphase M190 and M215, the Enphase M250 is a utility – interactive microinverter. All Enphase Microinverters use transformer coupling to isolate the DC and AC circuits. The major difference between the grounded and integrated ground models lies within the DC input stage of the microinverter, where DC
power from the module enters the micro-inverter. The M250 does not ground the DC input, as did its predecessors.
By isolating the DC conductors from ground, the M250 enables the installer to create an NEC – compliant Ungrounded PV Power System (690.35, 690.41).

With the M250, the grounding requirement is satisfied with an EGC, so a GEC is not required. The EGC is provided through the Engage Cable system that has been certified and listed for this application.
In previous models, the DC input was bonded to ground through a GFDI circuit. This essentially grounded the PV module’s output.
This construction required connection from this point to the grounding electrode using a GEC. However, since the M250 isolates the DC conductors from ground,only a simpler EGC is required. The EGC is provided within the Engage Cable system, which connects seamlessly to the AC power system output of the micro-inverter.
The M250 detects ground faults in either the DC positive or negative conductor of the PV module by detecting the insulation resistance of each conductor to ground. Also new to the M250 is the Insulation Monitor (IM), which measures the insulation resistance of the DC circuit with respect to ground. Together, these features offer greater safety than previously possible in any inverter technology.

Advantages of using a Pure Sine Wave Inverter

Today’s inverters come in three basic output waveforms: square wave, modified sine wave (which is actually a modified square wave), and pure sine wave (see Figure C-1 in Appendix C). Modified sine wave inverters approximate a pure sine wave form and will run most appliances (see also Section C-1 “Appliances and Run Time” in Appendix C) and electronics without any problems.
These inverters are less expensive, and therefore, offer a viable alternative to more expensive pure sine inverters.
The output of the MSH-M Series, which is a pure sine wave inverter, is equal to or in many cases, better than shorepower. Virtually any electronic device will operate from a pure sine wave inverter.
Motors run cooler, microwaves usually cook faster, and clocks keep better time just to name a few examples. Without compromising quality or performance, the MagnaSine Hybrid provides you with all the advantages of a pure sine wave inverter at a much lower cost than many on the market.
The MSH-M Series is built on the same platform as our popular ME and RD Series modified sine wave inverters—allowing for an easy upgrade to a pure sine wave inverter from the original ME and RD Series installation. This standard platform also helps reduce cost by using standard parts/accessories across many models. Magnum accessories such as the Advanced Remote Control (ME-ARC), Standard Remote Control (ME-RC), Automatic Generator Start – Networked (ME-AGS-N), and
Battery Monitor Kit (ME-BMK) can be used—see Section A-3 “Optional Equipment and Accessories” for more information on these products.

How the Magnum MSH-M Inverter/Charger Works?

There are two main modes of operation associated with the MSH-M inverter/charger:
• Inverter Mode:
When the inverter is properly connected to batteries and turned on, the direct current (DC) from the batteries is transformed into a pure sine wave alternating current (AC). This AC is similar to the voltage provided by your utility and is used to power any electrical appliances (i.e., AC loads) connected to the inverter’s output.
• Standby Mode:
When an external source of AC power (i.e., shorepower or generator) is connected and qualified on the inverter’s AC input, it operates in Standby mode. In Standby mode, an internal AC transfer relay automatically closes to pass the incoming AC power directly to the inverter’s output to continue powering the connected electrical appliances. The unit is also monitoring the AC input and “standing-by” to switch to Inverter mode if the unit detects a power failure (or low AC voltage). While in the Standby mode, the unit can operate:
a) as a battery charger, which converts the incoming AC power into DC power to recharge the batteries; or
b) in load support, when the incoming AC source is not large enough to power the inverter loads by itself, additional current from the battery is used to ensure the inverter loads continue to be powered

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