Mastervolt Powerbook 2018
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Mass

Combi

COMBIS

Mass Combi in a grid-connected solar

power system with energy storage

The use of local energy storage combined with a grid connected system

with solar panels in a home or company is increasingly popular.

Generated solar energy that is not immediately consumed

is stored in the batteries for use in the mornings and

evenings when the consumption is (usually) higher than

the available solar energy.

AC Power Analyser

AC Power Analyser

solar panels

230 V

appliances

in a home

or company

any PV inverter

latching

relay

fuseholder

with T-fuses

Using energy storage significantly increases the self-

consumption (i.e., the amount of generated solar energy that

is actually used). Benefits include cost savings through reduced

power consumption from the electricity grid, the certainty of

using self-generated green energy, and increased autonomy.

Another relevant benefit is the back-up function in case of

power failures in the electricity grid.

Below is an example of a grid-connected solar energy system

with energy storage. The Mastervolt products in this system are

aligned via MasterBus to ensure that power consumption via the

electricity grid is reduced to a minimum. When the sun shines,

the system will use the solar energy in the following priority

order:

1

Powering the AC loads.

2

Charging available batteries.

3

Returning the surplus solar energy to the electricity grid.

When there is less solar energy available than needed,

the energy stored in the batteries will be used first.

Only when the batteries are ‘empty’ (= the minimal

state of charge required for maintaining their lifespan)

power from the electricity grid will

be used. This means you always

use as much locally generated

energy as possible and are ensured

of a reliable power supply. In

case of a failure in the electricity

grid, the Mass Combi will simply

take over the power supply

via autonomous/stand-alone

operation.

GENERATE

STORE

USE

230 V grid

Lithium Ion battery

Daily energy use.

Generated solar energy.

Direct consumed solar energy.

Surplus solar energy, available for storage.

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