Wednesday, November 28, 2012
Sunday, April 15, 2012
POWER INVERTER AND SIMPLE CIRCUIT DIAGRAMME
POWER INVERTERS
Power inverters are simply DC (direct current) to AC (alternating current) converters - they convert DC energy stored in a battery, to the electric current (AC) that your appliances require. An inverter taps current from the public supply when that is on (or, alternatively, from a power generator), stores that power in its battery bank as DC and converts it to AC when the power supply is gone. That way, the inverter provides the power backup you need, filling the gap in your power supply.
The main added value of inverters, which is the key advantage of inverter over power generator, is that inverters do not require consumables like petrol, diesel or oil and virtually incur no running cost. Once bought, it supplies power for free, until a battery-change. Big money saver, you say. It couldn't be any better! Besides, good inverters are fully automated, saving you that inconvenience of change-overs, suffered with generators.
In addition to running without consumables, a solid inverter requires minimum maintenance, again saving you the huge expenditure otherwise incurred on maintenance of power generators, especially when used extensively.
inverter user guide
Power inverters are simply DC (direct current) to AC (alternating current) converters - they convert DC energy stored in a battery, to the electric current (AC) that your appliances require. An inverter taps current from the public supply when that is on (or, alternatively, from a power generator), stores that power in its battery bank as DC and converts it to AC when the power supply is gone. That way, the inverter provides the power backup you need, filling the gap in your power supply.
The main added value of inverters, which is the key advantage of inverter over power generator, is that inverters do not require consumables like petrol, diesel or oil and virtually incur no running cost. Once bought, it supplies power for free, until a battery-change. Big money saver, you say. It couldn't be any better! Besides, good inverters are fully automated, saving you that inconvenience of change-overs, suffered with generators.
In addition to running without consumables, a solid inverter requires minimum maintenance, again saving you the huge expenditure otherwise incurred on maintenance of power generators, especially when used extensively.
inverter user guide
Power inverters convert DC
voltage from a battery to AC voltage used by appliances in our homes. Power
inverters are alternatives to electric
power generators when it comes to supplying backup or standby power
during power failure. Standby power is now critical in Nigeria because of
epileptic power supply in most countries. Find power inverter dealers and some
reason why power inverters may be preferred over petrol-driven electric
generators for backup power supply.
Power Inverters are not as popular as electric generators in backup power applications. This is largely due to higher costs. In fact, inverters are expensive alternatives to generators. However, power inverters have some benefits that can make them worth every money you spend on them.
Power Inverters are not as popular as electric generators in backup power applications. This is largely due to higher costs. In fact, inverters are expensive alternatives to generators. However, power inverters have some benefits that can make them worth every money you spend on them.
BENEFITS OF POWER INVERTERS
Inverters offer noise free operations:
Power Inverters have
silent operations. Unlike generators that make a lot of noise disturbing you
and your neighbours, power inverters make very little noise that you can barely
hear any sound. All you hear from inverters is the fan and the clicking of
relays. Therefore, if you want silent operation in your home or business you
should consider a power inverter.
No need for petrol or diesel
One great benefit of power inverters is that they do not require petrol or diesel. This singular capability comes with many benefits. First, it eliminates the risks associated with refueling generators or improper storage of fuel. Many homes, businesses, and markets in have been razed by fire from improper storage of fuels.
Another benefit of the fuel-free operations of power inverters is convenience, no need to visit filling stations everyday in search of petrol. Power inverters receive power from batteries. All you need to do is to charge your inverter battery.
Therefore, if you want convenient and reduced risk operations, buy power inverters for your standby power.
Power Inverters offer Zero emissions
Because power inverters do not
need petrol and do not have an internal combustion engine, they do not emit
dangerous gases during operations. This means that you can keep a power
inverter inside a room within the building just like your UPS, without any risk
of suffocation.
Deaths from generator operation are now a common occurrence . Improper mounting of generators usually causes these deaths. If you live in an area, where it is inconvenient to properly mount a generator, then you should consider power inverters. If paying a bit more for a power inverter can reduce the risk of suffocation from dangerous gases then they are worth the extra cost.
Zero emission may also appeal to you if you are concerned about global warming, and you need to be. Power Inverters are greener than generators. Therefore, if you prefer a greener world then you will prefer power inverters.
Deaths from generator operation are now a common occurrence . Improper mounting of generators usually causes these deaths. If you live in an area, where it is inconvenient to properly mount a generator, then you should consider power inverters. If paying a bit more for a power inverter can reduce the risk of suffocation from dangerous gases then they are worth the extra cost.
Zero emission may also appeal to you if you are concerned about global warming, and you need to be. Power Inverters are greener than generators. Therefore, if you prefer a greener world then you will prefer power inverters.
Inverters offer Lower running cost
Because power
inverters do not require fuel, they run with almost no input aside from
charging your inverter batteries. Although, power inverters have huge
purchase/capital cost, the recurrent cost is low. In fact, in the long term an
inverter may be cheaper than a generator, especially in countries like Nigeria
where people rely on generators to supply most of their power.
Power Inverters can
be connected in such a way that once a power failure occurs, the system
switches automatically to battery mode. This provides convenience. No need to
do anything, power inverters will switch from battery mode to mains mode as the
need arises. UPS are also built-into some power inverters to provide faster
response time. With such inverters, you can connect sensitive devices like
computers directly to your wall sockets. No need for a separate UPS for your
computer if you are using a power inverter with built-in UPS.
More about Power inverters
Power Inverters convert energy stored in batteries to AC electricity used by most appliances. Pure sine wave power inverters are very popular and recommended but are more expensive. Square wave power inverters generate square waves, which can cause problems when running some devices like TV and radio. Square wave inverters creates frequency harmonics which can result in humming sound from your radio and TV and colour clarity problems on your TV.
Have you ever attended a seminar to learn how to build power inverters? That inverter is likely to be a square power inverter. Square wave inverters are cheaper and easier to build than pure sine wave inverters and may be used in some applications to save cost. However, pure sine wave power inverters are preferred for the home electronics.
Pure sine wave inverters use filters to filter out all harmonics leaving only pure 50Hz sine wave. This filtering adds to the cost of pure sine wave inverters. Therefore, when buying power inverters make sure you choose the right type. Square wave inverters are okay for charging batteries.
Power inverters offer fluctuation and noise free operations. Inverters also offer automatic switchover to battery mode during power failure. Power inverters will automatically switch back when public power returns. It is recommended you choose sealed batteries, which require no maintenance except for dusting it, occasionally. Sealed maintenance free batteries are more expensive but are safer and easier to use.
Inverter batteries can be charged with your public power or with electric generators in places with inadequate public power supplies. Solar panels can also be used to charge inverter batteries via solar charge controllers. Note that there are power inverters specifically built for solar operations. Therefore, if you want to build a solar energy system, buy solar compatible power inverters.
Good power inverters come with overload and short circuit protection, protecting your appliances and inverter from damage.
Power Inverters are available in single phase and 3-phase models. There are also single phase to 3-phase power inverters.
Applications for Power Inverters
Power inverters can be used in industrial, office, and home applications. Here are some applications where power inverters can be used:
- Medical equipment in hospitals & clinics
- Telecommunications equipments
- Hotels
- home use
- ATMs
- Industrial
Power inverters are available that can provide power ranging from 800VA to up to 1000 KVA.
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