Bedienungsanleitung Victron MultiPlus 12 2000 80-32 (Seite 4 von 25) (Englisch)

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2. Description

2.1. General

Multifunctional

The MultiPlus gets its name from the multiple functions it can perform. It is a powerful true sine wave inverter, a sophisticated

battery charger that features adaptive charge technology and a high-speed AC transfer switch in a single enclosure. Beside these

primary functions, however, the MultiPlus has several advanced features that provide a range of new applications as outlined

below.

Uninterrupted AC power

In the event of a grid failure, or shore or generator power being disconnected, the inverter within the MultiPlus is automatically

activated and takes over supply to the connected loads. This happens so fast (less than 20 milliseconds) that computers and

other electronic equipment will continue to operate without disruption.

Parallel and 3-phase operation capability

Up to 6 inverters can operate in parallel to achieve higher power output.

Operation in 3-phase configuration is also possible.

PowerControl – Dealing with limited generator or shore side power

With a Multi Control Panel a maximum generator or shore current can be set. The MultiPlus will then take account of other AC

loads and use whatever is extra for charging, thus preventing the generator or shore supply from being overloaded.

PowerAssist – Boosting the capacity of shore or generator power

This feature takes the principle of PowerControl to a further dimension allowing the MultiPlus Compact to supplement the capacity

of the alternative source. Where peak power is so often required only for a limited period, it is possible to reduce the size of

generator needed or conversely enable more to be achieved from the typically limited shore connection. When the load reduces,

the spare power is used to recharge the battery.

Programmable relay

The MultiPlus is equipped with a programmable relay that by default is set as an alarm relay. The relay can be programmed for all

kinds of other applications however, for example as a starter relay for a generator.

2.2. Battery charger

Adaptive 4-stage charging characteristics: bulk – absorption – float – storage

The microprocessor-driven adaptive battery management system can be adjusted for various types of batteries. The adaptive

function automatically adapts the charging process to battery use.

The right amount of charge: variable absorption time

In the event of slight battery discharge, absorption is kept short to prevent overcharging and excessive gas formation. After deep

discharging, the absorption time is automatically extended in order to fully charge the battery.

Preventing damage due to excessive gassing: the Battery Safe mode

If, in order to quickly charge a battery, a high charge current in combination with a high absorption voltage has been chosen,

damage due to excessive gassing will be prevented by automatically limiting the rate of voltage increase once the gassing voltage

has been reached.

Less maintenance and aging when the battery is not in use: the Storage mode

The Storage mode kicks in whenever the battery has not been subjected to discharge during 24 hours. In the Storage mode float

voltage is reduced to 2,2V/cell (13,2V for 12V battery) to minimise gassing and corrosion of the positive plates. Once a week the

voltage is raised back to the absorption level to ‘equalize’ the battery. This feature prevents stratification of the electrolyte and

sulphation, a major cause of early battery failure.

Two DC outputs for charging two batteries

The main DC terminal can supply the full output current. The second output, intended for charging a starter battery, is limited to

1A and has a slightly lower output voltage.

Increasing service life of the battery: temperature compensation

The temperature sensor (supplied with the product) serves to reduce charging voltage when battery temperature rises. This is

particularly important for maintenance-free batteries, which could otherwise dry out by overcharging.

MultiPlus 2kVA 230V

Page 2 Description

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