Power One AURORA Guida all'installazione

AURORA

Photovoltaic Inverters

INSTALLATION AND OPERATOR’S

MANUAL

Model number: PVI-2000-OUTD-AU Rev. 1.0

Installation and operator’s manual Page 2 of 65

PVI-2000-OUTD-AU Rev.: 1.0)

REVISION TABLE

Document

Revision Author Date 9Change description

1.0 Gianluca

Pieralli 27/10/2008 9First release of the document

SAVE THESE INSTRUCTIONS!

IMPORTANT SAFETY INSTRUCTIONS

POWER-ONE: Reproduction and disclosure, even partially, of the contents of this

manual are strictly forbidden without prior authorization of Power-

One.

Installation and operator’s manual Page 3 of 65

PVI-2000-OUTD-AU Rev.: 1.0)

IMPORTANT SAFETY INSTRUCTIONS

This manual contains important safety and operational instructions that must be

accurately understood and followed during the installation and maintenance of the

equipment.

To reduce the risk of electrical shock hazards, and to make sure the equipment is

safely installed and commissioned, special safety symbols are used in this manual to

highlight potential safety risks and important safety information. The symbols are:

WARNING: the paragraphs highlighted by this symbol contain processes

and instructions that must be absolutely understood and followed to avoid

potential danger to people.

NOTE: the paragraphs highlighted by this symbol contain processes and

instructions that must be rigorously understood and followed to avoid

potential damage to the equipment and negative results.

The equipment is provided with several labels, some of them with a yellow

background, which are related to safety issues.

Make sure to read the labels and fully understand them before installing the

equipment.

The labels use the following symbols:

Equipment grounding conductor (Main grounding protective earth,

PE)

Alternate Current (Ac) value

Direct Current (Dc) value

Phase

Grounding (Earth)

Installation and operator’s manual Page 4 of 65

PVI-2000-OUTD-AU Rev.: 1.0)

USEFUL INFORMATION ON SAFETY STANDARDS

FOREWORD

¾The installation of AURORA must be performed in full compliance with national

and local standards and regulations.

¾AURORA has no internal user serviceable parts other than fuses.

For any maintenance or repair please contact the nearest authorized repair centre.

Please contact your reseller if you need to know the nearest authorised repair

centre.

¾Read and understand all the instructions contained in this manual and become

familiar with the safety symbols in the relevant paragraphs before you install and

commission the equipment.

¾The connection to the distribution grid must be done only after receiving approval

from the distribution utility as required by national and state interconnection

regulations, and can be done only by qualified personnel.

¾Cover the photovoltaic panels with dark opaque sheets before they are connected

to avoid any chance of high voltages appearing at the connecting wire

terminations.

Installation and operator’s manual Page 5 of 65

PVI-2000-OUTD-AU Rev.: 1.0)

GENERAL

During inverter operation, some internal parts can be energised, in some cases, internal

parts can move or rotate and some surfaces can be hot.

Unauthorised removal of the necessary protections, improper use, incorrect installation

or incorrect operation may lead to serious damage to people and objects.

All transport, installation and start-up, as well as maintenance operations, shall be

carried out by skilled and trained personnel (all national regulations on accidents

prevention and electrical safety shall be complied with!!!).

Only qualified and trained people have skills for the assembling, start-up and operation

of the product, as well as the necessary requirements and qualifications to perform

such operations.

INSTALLATION

All equipment shall be installed according to the instructions and specifications

mentioned in the corresponding documents.

In particular, during transport and handling, parts shall not be bent and/or the

insulation distances shall not be changed. There should be no contact between

electronic parts and connection terminals.

Electrical parts must not be mechanically damaged or destroyed (potential health risk).

ELECTRICAL CONNECTION

The Aurora inverter should be installed incompliance with all prevailing local and

national regulations

Electrical connections shall be carried out in accordance with the applicable

regulations, such as conductor sizing, over-current protection devices and grounding

connection.

Installation and operator’s manual Page 6 of 65

PVI-2000-OUTD-AU Rev.: 1.0)

OPERATION

Systems with inverters shall be installed in accordance with applicable electrical safety

and personnel safety requirements. After the inverter has been disconnected from the

both input power and output power connections allow the internal capacitors to

discharge before working on the equipment

Comply with all corresponding marks and symbols present on each device. During

operation, make sure that all covers and doors are closed.

MAINTENANCE AND SERVICE

Comply with manufacturer’s recommendations.

SAVE ALL DOCUMENTS IN A SAFE PLACE!

Installation and operator’s manual Page 7 of 65

PVI-2000-OUTD-AU Rev.: 1.0)

PVI-2000-OUTD-AU

This document applies to the above-mentioned inverters, only

Fig.1 Product label

The identification plate present on the inverter includes the following data:

1) Manufacturer Part Number

2) Model Number

3) Serial Number

4) Production Week/Year

Installation and operator’s manual Page 8 of 65

PVI-2000-OUTD-AU Rev.: 1.0)

CONTENTS:

1FOREWARD ...............................................................................10

1.1 PHOTOVOLTAIC ENERGY...............................................10

2SYSTEM DESCRIPTION..........................................................11

2.1 MAIN ELEMENTS OF A PV SYSTEM:“STRINGS AND

ARRAYS”.........................................................................................12

2.2 DATA TRANSMISSION AND CHECK ..........................................14

2.3 AURORA TECHNICAL DESCRIPTION.....................................14

2.4 PROTECTIVE DEVICES.............................................................16

2.4.1 Anti-Islanding................................................................16

2.4.2 Panel Ground Fault.......................................................16

2.4.3 Further Protective Devices............................................17

3INSTALLATION ........................................................................18

3.1 PACKAGE INSPECTION ............................................................18

3.2 PACKAGE CHECK LIST............................................................19

3.3 CHOOSING INSTALLATION LOCATION .....................................20

3.4 WALL MOUNTING ..................................................................21

3.5 PRELIMINARIES TO ELECTRICAL CONNECTIONS .....................24

3.6 ELECTRICAL CONNECTIONS....................................................27

3.7 ACCESS TO THE TERMINAL BLOCKS BY REMOVING THE RIGHT

SIDE PANEL.........................................................................................29

4START-UP...................................................................................30

5MONITORING AND DATA TRANSMISSION......................31

5.1 USER INTERFACE MODE.........................................................31

5.2 AVAILABLE DATA ..................................................................33

5.2.1 Real time data................................................................33

5.2.2 Internally Logged Data .................................................34

5.3 LED INDICATORS...................................................................35

5.4 MESSAGES AND ERROR CODES...............................................40

Installation and operator’s manual Page 9 of 65

PVI-2000-OUTD-AU Rev.: 1.0)

5.5 LCD DISPLAY.........................................................................43

6DATA CHECK AND COMMUNICATION.............................49

6.1 RS-485 SERIAL LINK...............................................................49

6.2 ADDRESS SELECTION ..............................................................52

6.3 BAUD RATE SETTING ..............................................................53

6.4 MEASUREMENT ACCURACY....................................................55

7TROUBLESHOOTING..............................................................56

8TECHNICAL FEATURES.........................................................58

8.1 INPUT VALUES........................................................................58

8.2 OUTPUT VALUES ....................................................................61

8.3 GRID PROTECTION CHARACTERISTICS.....................................62

8.4 GENERAL CHARACTERISTICS ..................................................62

8.5 POWER DERATING ..................................................................63

Installation and operator’s manual Page 10 of 65

PVI-2000-OUTD-AU Rev.: 1.0)

1FOREWARD

This document contains a technical description of the AURORA photovoltaic inverter

so as to provide the installer and user all the necessary information about installation,

operation and use of AURORA.

1.1 PHOTOVOLTAIC ENERGY

Industrialised countries (greater energy consumers) have been experimenting with

energy-saving methods and reducing pollutant levels. This may be possible through a

shrewd and rational consumption of well-known resources, and also by looking for

new forms of clean and in exhaustible energy.

Renewable sources of energy are fundamental to solving this problem. Under these

circumstances, solar energy exploitation to generate electrical (photovoltaic) energy is

becoming more and more important worldwide.

Photovoltaic energy is, in any case, of great advantage to the environment because the

radiated energy we receive from the sun is transformed directly into electrical energy

without any combustion process and without producing any pollution.

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