inverters off grid applications
What is a Power Inverter?
Wind and solar systems use rechargeable batteries to store energy in the form of DC electricity often at 24 Volts or 48 Volts. An electronic inverter converts DC battery electricity to standard AC supply (230 Vac 50Hz in the UK).
What is the Status of the Technology?
Over recent years the rise in efficiency (now up to 95%) and capability of modern power inverters, which convert low voltage battery power to standard voltage and frequency (230 Vac 50Hz), has been impressive. Nearly all our customers now use inverters; you can run all standard appliances from microwaves to vacuum cleaners. .
WHICH INVERTERS DO WE RECOMMEND?
The Windy Boy from SMA. It converts the variable frequency voltage from wind generators into AC voltage. Thus the energy can be used privately, excess energy or fed into batteries or for direct heating systems.
The Windy Boys are suitable for wind generators from a wide variety of manufacturers and power classes. They guarantee an optimal power adjustment and very high energy yields.
WHAT FEATURES DO INVERTERS HAVE?
Most inverters also feature a charger’ so that you can boost charge the batteries from a conventional source such as the grid or a diesel back-up generator. Look for 3-stage chargers; they help extend battery life.
Some larger inverters can automatically switch to a back-up source of power (if there is not enough energy left in the battery) without any break in supply.
TRACE — Xantrex SW Series Power Inverters
The SW Inverter/Charger is our most popular off grid power solution. Available in 24- and 48-volt models, it provides utility-grade output power and offers high surge capacity to run most household appliances. The SW offers many programmable features including automatic generator start and stop, and automatic load sensing. Its built-in, fully automatic, three-stage battery charger is designed to bring maximum charge to batteries, while using minimum generator run time and fuel.
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