Solar power storage for self-consumption 6.4 kWh Tesla powerwall without inverter View larger

Solar power storage for self-consumption 6.4 kWh Tesla powerwall without inverter

P0976

Make yourself independent of the power plant, finally own power

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CHF 19,673.00

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electricity storage are generally used for two applications:


1: the electricity purchased from the grid is minimized, which means excess solar electricity is charged on the day in the battery and re-fed into the night into the house to possible zubrauchen own solar power itself
2: backup power during a power failure. Battery discharge via an inverter the home network and protects against a power failure and failure of important equipment such as heating, freezer, telephone etc

It is not easy to find out about the battery storage systems for self-consumption and on to assess the appropriate systems cost, functionality and performance
. Important characteristics are capacity of the battery storage and the battery capacity, the storage technology (lead acid / lithium), the emergency power capacity, the performance of the solar inverter, the power of the battery charger, the calendar life, the Zyklenlebensdauerder battery, and then a few more sideshows such as weight, size, risks , warranty, price per kilowatt hour stored and supplied.

technology platforms
in general, can be self-consumption systems in the 3 classes of DC coupled, the AC-coupled and integrated systems divide ,

DC coupled systems typically can not be retrofitted and convert the DC power from the roof into a DC charging current to. Subsequently, the battery voltage in 230V / 400V AC is umgewandet and fed into the network.

AC coupled system can be retrofitted well. There, the AC is powered with a battery charger indie battery when excess electricity is and vice versa fromthe battery voltage again 230 / 400V AC generated when power shortage is.

For integrated systems, everything is housed in a case and it is not clear as the devices are built exactly normally they are DC coupled.

What technology has the most benefits for you is to be assessed case by case, they seek advice.

batteries
There are normal chemical batteries used in lead acid base or with countries eueren lithium technology. Lead batteries are low and but have proved a smaller cycle and calendar life. From the installed capacity can use only about half as lead-acid batteries should never be fully discharged. Lithium batteries last up to 20 years and can be almost infinite load and unload. They have a good charging and discharging efficiency and cost when it shuts off against the saved kilowatt hour, about half of lead acid batteries.

inverter
Wichtigbei inverters, battery chargers and DC / DC converters is a high efficiency and adequate power so that the resulting solar power can also be charged in the battery or in the night, the consumer can be fed as possible.

The Tesla Power Wall storage system is AC coupled, has an emergency power capability and a service life of approximately 10 years

Specifications:

technology platform: AC coupled system

battery capacity: 6.4 kWh

Useable battery capacity: 6.4 kWh

Emergency Capability: Yes

Number of phases: 1 / 230V or 3x400V (Regen ordered separately)

Battery technology: Tesla / Panasonic

Power charger: 2 kW max. 3.3 kW

Power Battery discharged: 2 kW max. 3.3 kW

DC Power Solar Inverter: Selectable as independent, recommended size: 3 - 15 kW

Inverter: Selectable as independent

Expected battery life: 10 calendar years and 5000 cycles

mass: approx battery (HxWxD) 130.2 x 86.2 x 18.3 cm, inverter 36 x 45 x 12 cm

Weight: 97 kg battery, inverter 9.2 kg

control: 3 phase current sensor with cable (power relation is regulated to 0)

: to connect with possibility Internet Communication

Contents: Battery documentation without inverter

Cost per saved kilowatt hour ca: 0.3 Franks

Warranty: 10 years

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