How to Operate a Genverter Power System

!±8± How to Operate a Genverter Power System

Operating a genverter based power is not difficult, and really isn't technical. In our home, our kids knew how to read the meter, and start the generator since they were about 11 years old. The real key to operating the system correctly, is to have and understand the metering between the batteries and the charging system.

silent mode

When the system starts off with fully charged batteries, you have power in what I call "silent mode". You can have lights and other creature comforts without using any gas, since the inverter is converting the stored battery power into normal home AC. You may have certain large loads that may not be appropriate during this time because they would drain the stored energy quickly. In our home these are items like the dishwasher, the well pump, and Jackie's favorite electric iron.

Having a device or meter that measures power flowing into or out of the battery bank is very important. With the meter counting the Amp-Hours or "juice" flowing out of the battery bank, it is easy to see when we've used 30-40% of the total capacity. When this level is reached, its time to make sure we start charging in a serious way by starting up our generator charging source.

free power mode

After charging a short while, it becomes free power time, since the generator is not fully loaded with the task of battery charging. This is the time to run those big loads mentioned above. We call it free, because for the most part, this extra power not used in charging will be lost! As batteries get some charge, they accept less current and more generator power potential is lost. The most expensive part of charging it getting the batteries over that last 10% of charge. Many times we stop before then, but not always as explained below.

maintenance operation

Deep cycle batteries have a wear out mechanism that occurs when they stay below 75% charge for any length of time. It is called sulfating, and is covered in detail elsewhere on http://www.genverters.com. Its ironic, that batteries last the longest if you never discharge them, that is, use them! This third mode of genverter operation is used to keep the batteries healthy and to extend their life.

During normal operation, we like to do what is called an equalize charge for our lead acid batteries. It is a small investment that will help the battery bank last extra years. The charging system is run and the voltage is permitted to go to a higher than normal voltage for a few hours. For example on a 12V battery bank, we let it go up to 14.5V and watch the electrolyte in the batteries bubble some. This helps break up the sulfation that occurs during normal operation. This operation does take extra fuel, but is a good long term investment

Sometimes it is possible if we leave a few days in the summer, to let our solar charging and solar controller to automatically do the equalize charge for us! Basic genverter operation can be broken up into 3 modes; silent mode, free power mode, and maintenance mode. Your power consumption at any time should match the genveter mode. Having and monitoring your charging meter will help determine how your system should be operated at any given time.

How to Operate a Genverter Power System

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How Much Do You Know About Your Home Security System Battery?

!±8± How Much Do You Know About Your Home Security System Battery?

The batteries in a home security system are important parts of the system - perhaps the most important parts. Whether you do a home security self install or have a security company install the system, you should be aware of the battery capabilities, how often to check them, and when to replace them. This article will give you the basics.

Home Security Battery Backup
Backup batteries are used in any quality alarm system on the market. Fitted into the actual control panel, they ensure that components linked into the panel which are crucial to your security are able to run and function fully in the event of either a power failure, or in the case of a wireless system, a battery failure. These home security products are the sensors, motion detectors, sirens, cameras, etc.

Note: quality wired security systems run off electrical power with a battery backup system while wireless home security systems usually run off a lithium battery pack with a battery backup system.

Test Monthly
Backup batteries as well as wireless lithium batteries must be tested at regular intervals, at least once a month, to ensure that they are running on full power and are working properly.

Backup batteries and those used in wireless security systems to prevent, if not stop, a burglar from disabling your alarm by turning off the power, even if that means cutting the electrical wires feeding the control panel.

Battery powered wireless security systems
Wireless security systems rely on battery powered radio transmitters and receivers, without which all the essential components like cameras, sensors, motion detectors and others cannot work. They are easy to install and are mobile. They are not reliant on, or disabled by, electrical power failures.

Every quality home security system comes complete with a battery powered backup capable of running the system for as much as weeks in the event of a power failure. In the case of wireless systems, lithium batteries are designed to run for years.

Many wireless system has sensors will send an alert to the control panel if there is a problem, allowing you to take necessary action to prevent system failure. But, even if you are not able to take immediate action, the battery backup is there to save the day, allowing your security system to run until you have the opportunity to replace the main battery.

Facts on Lithium Batteries

Lithium batteries are disposable and contain anodes of lithium metal, or compounds. They produce between 1.5v and 3v which can be twice the voltage of the average alkaline or zinc-carbon batteries.

Lithium batteries are popular because they are generally lighter and can store a lot of energy in their atomic bonds due to their reactive element. This translates in to 'very high energy density'.

Lithium batteries hold a charge better. On average they lose only about 5% of their charge per month, which if you compare this to a 20% loss of other batteries, is why they are a natural choice for home security systems.

Another advantage of lithium batteries is that they have no memory effect. What this means is that you do not have to discharge them completely before recharging and they are capable of handling hundreds of 'charge/discharge cycles'.

A lithium battery can store 150 'watt-hours' of power in a 1kg battery pack. A NiMH battery which are those found in any supermarket shelf, can only store between 60-70 'watt-hours' per kilogram.

Lead acid batteries can only store 25 'watt-hours' per kilogram and it would take six of these to equal one lithium battery.

Lithium batteries are the obvious choice because of the advantages they have over alternative competing technologies.

When installing a home security system, it is best to only buy a system with a battery backup, so if there a power failure your system will remain on alert. It is very important that you pay attention to the batteries. These are the life's blood of the system. If they fail, and you are not aware of it, your security system is compromised or even useless depending on the system you have installed. It is wise to set up a schedule to check your batteries periodically as suggested by the manufacturer of your system and replace them if necessary.

How Much Do You Know About Your Home Security System Battery?

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Stand-alone PV system

!±8± Stand-alone PV system

A photovoltaic solar cells that convert sunlight into electricity. A photovoltaic system contains many different elements, such as cells, electrical, mechanical joints, fasteners and a way to convert the electrical output. Due to the low voltage of individual solar cells are typically 0.5 V solar cells in photovoltaic modules, which are then linked together to form arrays.

The electricity produced can be stored in an autonomous system in a plant or island, preserved inPowered by batteries or a mains larger. For the power level, power generators for home use for residential systems, or hybrids are used. Depending on the application of energy production, the balance of the output may be different. The balance of production (BOS) depends on the load profile and the type of system.

Stand-alone systems - This should not depend on centralized generators or grid connection. Stand-alone systems can be so smallas a calculator or as large as a spaceship. If the load does not depend on sunlight, the current must be buffered by a battery. Where weight is not important, lead-acid batteries are used.

Charge controllers are used to damage the battery by connecting and disconnecting the battery to prevent excessive. To maximize the performance of solar cells, modules optimized with a maximum power point tracking (MPPT) system. In very small devices, only the DC is used. In large systems such asBuildings and houses, you need AC. The inverters are used to convert DC to AC.

The important thing to keep in mind is the ultimate use of solar photovoltaics. This will help you decide if you need a charge controller, inverter, or other type of attachment.

Stand-alone PV system

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