Danfoss DLX 4.6 Guide de l'utilisateur télécharger pdf (Page 4)

4 User Guide DLX Series L00410623-1

1. INTRODUCTION

The DLX inverters are among the most efficient single phase grid-tied inverters on the

market, which results in high yields from the solar array.

Figure 1.1: PV system overview

DC to AC

In a grid-connected photovoltaic system the interface between the solar

array and the utility grid consists of an inverter, which converts DC power

produced from the solar array into AC power adapted to the voltage and

frequency of the utility grid.

DLX series

The topology of the DLX series consists of an embedded high-frequency

transformer, which provides galvanic isolation from the utility grid of class

basic and thereby meets the strictest safety standards. Because of great

adaptability and user friendliness, the DLX is the perfect choice for any

photovoltaic (PV) installation. Different configuration options make it

suitable for crystalline as well as thin-film modules, and make it easy and

affordable to configure for various conditions and country-specific

requirements. The compact and lightweight construction provides for

easy and straightforward installation and maintenance.

Integrated

Web Server

The inverter is equipped with an integrated web server, which records

data on a daily, monthly and yearly basis. All information is displayed

numerically and in graphs on a colored LCD screen on the front of the

inverter. The data is also accessible either directly from a PC or via the

internet. All settings and data are saved in the integrated logger, which

provides storage of data with fifteen-minute intervals for one week, daily

intervals for one year or weekly intervals for thirty years.

Automatic

System

The system is fully automatic. The inverter starts up in the morning when

the solar array generates enough power. During the day the maximum

power point tracking (MPPT) function ensures the highest possible energy

harvest. The inverter goes into ‘sleep’ mode at dusk when the solar array

stops generating power.

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Danfoss DLX 4.6 Guide de l'utilisateur Page 4