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Installation and operating manual

Page 75 of 95

(PVI-3.8/4.6-I-OUTD Rev.: 1.5)

5.5.6.13

MPPT

This  function  is  used  in  order  to  set  the  parameters  for  the  Maximum  Power  Point
Tracker function.

MPPT  Amplitude:  this  setting  allows  you  to  choose  the  amplitude  of  disturbance
introduced  in  DC  in  order  to  establish  the  optimal  work  point.  There  are  3  choices
(LOW, MEDIUM, HIGH). The default setting is MEDIUM.

You can enable or disable the scan function to identify the maximum multiples.

The time interval for system maximum multiples scans can be set using this function.
The default setting is 15 minutes.

You may also decide to perform a manually scan, by using the specific control

5.5.6.14

Alarm Message

Follow the procedure described below in order to program the error message that will
be shown on the display:

Pressing the ENTER key will allow you to access the relevant submenu

MPPT scan En/Dis

Enable

Scan Interval

15 min

Manual Scan

Alarm Message

MPPT Amplitude
Multi-Max Scan

MPPT Amplitude
Low

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Содержание Aurora PVI-3.8/4.6-I-OUTD

Страница 1: ...AURORA Photovoltaic Inverters INSTALLATION AND OPERATING MANUAL Model number PVI 3 8 4 6 I OUTD Rev 1 5 ...

Страница 2: ...irst release 1 1 Mastronardi F 17 05 11 First review 1 2 Statuti A 30 06 11 Second review 1 3 Brogi D 06 07 11 Third review 1 4 Statuti A 18 07 12 Fourth review 1 5 Statuti A 26 11 12 Fifth review KEEP THESE INSTRUCTIONS IMPORTANT SAFETY INSTRUCTIONS POWER ONE The total or partial reproduction of this document by any means is forbidden without the authorization of Power One ...

Страница 3: ...agraphs marked by this symbol contain actions and instructions which must be understood and followed carefully to avoid potential harm to people NOTE Paragraphs marked by this symbol contain actions and instructions which must be understood and followed carefully to avoid damage and malfunctions to equipment The equipment has various labels those with a yellow background regard the safety devices ...

Страница 4: ... It is strongly recommended to read all the instructions contained in this manual and to observe the symbols displayed in the individual paragraphs before installing or using the equipment Connection to the distribution grid must only occur after having received approval from the Authority or Body in charge of the distribution of electric energy as is required by the current national regulations a...

Страница 5: ...duals must be experts in the mounting assembly commissioning and operation of the product and must and have the necessary skills qualifications and requisites to carry out their tasks ASSEMBLY The devices must be assembled and cooled down in accordance with the specifications outlined in the relevant documentation In particular during transportation and handling the components must not be bent and...

Страница 6: ...ulations etc Calibration variations are possible through the use of the operational software After having disconnected the inverter from the mains grid the live parts and the electrical connections must not be touched for a while as capacitors may still be charged For this reason all the related signs and marks present on the devices must observed During operation all covers and doors must be clos...

Страница 7: ...I OUTD S PVI 4 6 I OUTD PVI 4 6 I OUTD S This documentation is only valid for the aforementioned inverter versions Product name plate PVI 4 6 I OUTD S The name plate affixed to the inverter contains the following information 1 Manufacturer code 2 Model code 3 Serial number 4 Week Year of production ...

Страница 8: ...LIMINARY OPERATIONS FOR ELECTRICAL CONNECTION 25 3 4 1 Procedure of CONNECTION DISCONNECTION 26 3 4 2 Procedure for accessing the internal terminal blocks by removing the front cover 27 3 4 3 AC and DC wire selection 28 3 4 4 Installation of the AURORA inverter 29 3 4 5 Possible configurations of input channels 30 3 4 5 1 Connection with independent channels 31 3 4 5 2 Parallel connection of chann...

Страница 9: ...ase Electric parameter check 57 5 5 4 Main menu 61 5 5 5 Statistics 62 5 5 5 1 Total 62 5 5 5 2 Partial 63 5 5 5 3 Today 63 5 5 5 4 Last 7 days 64 5 5 5 5 Last month 64 5 5 5 6 Last 30 days 64 5 5 5 7 Last 365 days 65 5 5 5 8 User period 65 5 5 6 Settings 66 5 5 6 1 Address 67 5 5 6 2 Imp Display 67 5 5 6 3 Service 68 5 5 6 4 New password 68 5 5 6 5 Currency 68 5 5 6 6 Date Time 69 5 5 6 7 Languag...

Страница 10: ...MUNICATION 83 6 1 CONNECTION THROUGH RS 485 SERIAL PORT OR RJ45 CONNECTORS 83 6 1 1 RS 485 serial port 83 6 1 2 RJ45 connectors 84 6 1 3 Daisy chain 84 7 TROUBLESHOOTING 86 8 TECHNICAL SPECIFICATIONS 88 8 1 INPUT VALUES 88 8 2 OUTPUT VALUES 91 8 3 GENERAL CHARACTERISTICS 92 8 4 POWER DERATING 94 ...

Страница 11: ... saving energy and lowering pollutant emissions through the prudent and rational consumption of known resources and have been searching for new forms of clean and inexhaustible energy Renewable energy sources provide a fundamental contribution to solving the problem In this context the exploitation of solar energy to generate electrical energy photovoltaic is becoming increasingly more important a...

Страница 12: ...allel with the distribution grid the alternating current output from the inverter flows directly into the domestic circuit which is in turn connected to the public distribution grid The solar power system supplies energy to all that which is connected to it from lighting to all the different domestic appliances etc In the event that the energy supplied from the photovoltaic system is lower than re...

Страница 13: ...0Vdc 25A 6 00Vdc 25 A 60 0Vd c 2 5A GND MODE PTC PTC GND MODE PTC PTC GND MODE FUSE FUSE PTC MAIN GROUND IN2 IN2 PV_ IN2 PV_IN2 IN1 IN1 PV_ IN1 PV_IN1 ON OFF Switch Knob EMI FILTER CH2 EMI FILTER CH1 AC EMI FILTER 1 2 GRID TERMINAL BLOCKS 3 INPUT TERMINAL BLOCK BOOST CH2 BOOST CH1 AURORA INVERTER INPUT OUTPUT BOARD CAPS BOARD BOOST CH2 BOARD BOOST CH1 INVERTER BOARD INVERTER LOGIC CONTROL BOARD DI...

Страница 14: ...tovoltaic panel is composed of many photovoltaic cells which are fixed onto the same supporting base A STRING is composed of a certain number of panels connected in series An ARRAY is composed of one or more strings connected in parallel Photovoltaic systems of a certain size can be composed of more than one array connected to one or more AURORA inverters By maximizing the number of panels inserte...

Страница 15: ...28 and Figure 29 show the limits for which maximum power is transferred The current of each array must also fall within the limits of the inverter For the AURORA inverters the maximum current coming from each input can be 14Adc for PVI 4 6 I OUTD models or 12 5 A for PVI 3 8 I OUTD models In the event that the photovoltaic system exceeds the capacity of a single inverter other AURORA inverters can...

Страница 16: ...remote data display terminal connected wirelessly 2 3 Technical description of the AURORA inverters Fig 1 shows the block diagram of an AURORA inverter The main blocks are the input DC DC converters known as boosters and the output inverter Both the DC DC converters and the output inverter work at a high switching frequency to enable a compact design and a relatively low weight This version of inv...

Страница 17: ...y two independent controllers in full compliance with the current regulations for electrical power supply and its safety The AURORA inverter operating system communicates with related components in order to carry out data analysis All of this ensures the optimal operation of the entire system and a high yield in all isolation and load conditions always fully respecting the relevant directives laws...

Страница 18: ...anel The AURORA inverter is equipped with terminals for the system ground conductors For further information about the grounding of terminals and protections refer to section 3 4 9 NOTE For further details about disconnecting the AURORA inverters or about the causes of malfunction refer to paragraphs 0 2 4 3 Additional protective devices The AURORA inverters are equipped with additional protection...

Страница 19: ... cracking or any other sign of possible damage to its contents To describe any damage or missing parts on the delivery documents and to obtain the carrier s full name and signature To open the shipping container and examine its contents to check for any internal damage When unpacking make sure not to discard any equipment components or manuals In the event that some form of damage is detected cont...

Страница 20: ...a location chosen according to the following considerations The inverter must be placed at a height from ground level so that the display and status LEDs can be read easily Choose a location which is protected from direct sunlight and is well ventilated Avoid locations where air is unable to circulate freely around the unit Leave enough room around the unit to allow for easy installation and remov...

Страница 21: ...MMENDED POSITIONING Fig 5 Recommended installation of AURORA inverters NOTE Although titled mounting is possible see Fig 6 please note that this may reduce performance Derating due to a reduction in heat dissipation WARNING During operation the unit surface may become very hot To avoid burns DO NOT touch the surface 200mm 8 150mm 6 150mm 6 50mm 2 ...

Страница 22: ...y NOTE It is recommended to install AURORA away from direct sunlight and heat sources including heat generated by other AURORA inverters see Fig 5 When the ambient temperature exceeds 50 C for PVI 4 6 I OUTD models and 60 C for PVI 3 8 I OUTD models the inverter will self derate the output power In order to avoid overheating always ensure that the airflow around AURORA is not blocked Derating 5 5 ...

Страница 23: ...must be facing downwards NOTE If the device is to be mounted onto a concrete wall holes must be created of diameter 10mm and depth 75mm NOTE When the device is installed on walls of materials other than concrete suitable screws and anchors should be used Power One recommends always using stainless steel screws Attach the inverter to the hook Part C present on the upper part of the bracket by using...

Страница 24: ...Installation and operating manual Page 24 of 95 PVI 3 8 4 6 I OUTD Rev 1 5 Fig 7 Wall mounting ...

Страница 25: ... to what follows may cause hazardous conditions for the operator installer and can cause damage to the equipment WARNING When designing the system always respect the voltage and current nominal ratings as indicated in chapter 8 Technical Specifications The following in particular must be kept in mind when designing the photovoltaic field Maximum DC input voltage to each of the two MPPT circuits 52...

Страница 26: ...ust always be carried out when accessing the interior parts of the inverter in order to avoid injury to people and damage to property STEP 1 If the inverter is connected to the power supply grid disconnect it by opening the switch indicated as Part D in Fig 8 STEP 2 Carefully cover the photovoltaic panels with an opaque material or perform the following operations at night Ensure that the photovol...

Страница 27: ... Procedure for accessing the internal terminal blocks by removing the front cover WARNING Before removing the front cover ensure that the AURORA inverter has been disconnected from both the AC and DC sides for at least 5 minutes in order to allow for the internal capacitors to discharge and thus to avoid the risk of electrocution To remove the front cover loosen the 4 screws shown in Fig 9 using t...

Страница 28: ... wires PVI 3 8 I OUTD AWG 167 F 75 C AWG 194 F 90 C DC input wiring PVI 3 8 I OUTD 8 6 10 6 Ground PVI 3 8 I OUTD 4 4 AC output wiring PVI 3 8 I OUTD 8 6 10 6 Main ground PVI 3 8 I OUTD 6 6 PVI 4 6 I OUTD AWG 167 F 75 C AWG 194 F 90 C DC input wiring PVI 4 6 I OUTD 8 6 10 6 Ground PVI 4 6 I OUTD 4 4 AC output wiring PVI 4 6 I OUTD 8 6 8 6 Main ground PVI 4 6 I OUTD 6 6 ...

Страница 29: ... cables to the inverter carefully checking the correct polarity For possible connection types refer to 3 4 5 Step 3 Connect the AC cables to the terminal block following the instructions laid out in paragraph 3 4 6 Step 4 optional Connect the signal cables to the specific terminal block Replace one of the capped holes present on the bottom of the inverter with a cable gland supplied and use it to ...

Страница 30: ...ed in series Moreover they must require the same installation conditions orientation and inclination When the two input channels are configured in parallel they must respect the aforementioned requirements with the benefit of being able to exploit full power from the inverter in a single channel The double MPPT structure allows two photovoltaic generators to be run independently one for each input...

Страница 31: ...o configure AURORA with independent channels remove the jumpers between the positive and negative terminals in Fig 10 and move the selector switch in Fig 11 to the IND position 3 4 5 2 Parallel connection of channels WARNING Before carrying out any operation follow the connection disconnection procedure detailed in paragraph 3 4 1 Use this configuration when the input current to one of the channel...

Страница 32: ...llation and operating manual Page 32 of 95 PVI 3 8 4 6 I OUTD Rev 1 5 Fig 10 Parallel connection of channels Check that the jumpers are inserted and that the selector switch in Fig 11 is in the PAR position ...

Страница 33: ...Installation and operating manual Page 33 of 95 PVI 3 8 4 6 I OUTD Rev 1 5 Fig 11 Parallel independent configuration switch ...

Страница 34: ...disconnector to the internal inverter terminal box indicated by the serigraphy GRID Step 3 Install the cable gland supplied onto the dedicated hole located on the bottom of the inverter and use it to pass through the AC cables Step 4 Connect the 3 AC conductors to the inverter terminal box following the serigraphy Terminal for protective earth PE the screw located next to the symbol can also be us...

Страница 35: ... serigraphy of the signal connector 3 4 8 Selection of grid standard WARNING Before carrying out any operation follow the connection disconnection procedure detailed in paragraph 3 4 1 The inverter is provided with two rotary selectors Fig 13 which allow installers to choose which grid standard they wish to apply The unit is delivered with the selector switches set in the 0 0 position default sett...

Страница 36: ...1 1 FRANCE French 0 E DIN V VDE V 0126 1 1 BENELUX French 0 F DIN V VDE V 0126 1 1 GREEK English 1 0 DIN V VDE V 0126 1 1 PORTUGAL English 1 1 DIN V VDE V 0126 1 1 CORSICA French 1 6 DIN V VDE V 0126 1 1 CZECH REP Czech There are deviations from the standard VDE according to the local norms in low There are deviations from the standard AS47773 according to the local norms in low Once the standard ...

Страница 37: ...rocedure detailed in paragraph 3 4 1 These inverter models are equipped with a special connector for grounding one of the input terminals By positioning of this connection it is possible to choose which terminal to connect to the ground Fig 14 shows the cables and the connectors to which they must be connected in order to make the grounding effective NOTE The AURORA inverters are delivered with th...

Страница 38: ...wish to connect either of the two input terminals floating photovoltaic generator directly to the ground you can disconnect the connector and store it within the dedicated housing next to the grid standard selector switches see Fig 13 NOTE Under these conditions neither of the input terminals is completely floating but each is connected to the ground with an impedance of around 1 5 Mohm WARNING De...

Страница 39: ...ust be inserted from the side Side A at an angle of around 30 The component will rotate inside the battery port until it seats in the right position Fig 15 Lithium battery replacement WARNING The battery must be replaced by qualified personnel only 3 6 Replacement of the memory WARNING Before carrying out any operation follow the connection disconnection procedure detailed in paragraph 3 4 1 All h...

Страница 40: ...d by qualified personnel only 3 7 Replacement of the RS485 communication board WARNING Before carrying out any operation follow the connection disconnection procedure detailed in paragraph 3 4 1 It is possible to replace the RS485 communication board Fig 17 RS485 Board WARNING This component must be replaced by qualified personnel only ...

Страница 41: ...circuitry for example batteries Should the DC source panel be unavailable it is possible to force the start up of the display for brief periods by supplying it from the grid see paragraph 4 2 Depending on the DC input voltage present the inverter will behaves as follows a When the inverter is switched off it starts up as soon as an input voltage value of 130V is reached b The inverter displays the...

Страница 42: ...led POWER and located on the display This check may take from a minimum of 30 seconds to a maximum of some minutes depending on the conditions of the grid itself During the process a sequence of three screens appears on the display Grid voltage value and indication of status with respect to the values of the technical specifications if within or outside of the range foreseen Grid frequency value a...

Страница 43: ...l not connect itself to the grid until a valid and stable DC input voltage is present When the inverter is started up under these conditions with no DC its consumption is less than 20W Fig 18 Button for starting up the inverter from the grid 4 3 Shut down procedure The inverter can be shut down in three different ways 1 Disconnect DC and the AC grid by disconnecting their disconnectors in any orde...

Страница 44: ... automatically resumed when solar radiation becomes sufficient This will be indicated by the LEDs The AURORA inverter is capable of supplying operational information through the following instruments Indicator lights luminous LEDs Operational data shown on the LCD display Data transmission on a dedicated serial RS 485 line Data can be collected from a PC or data logger equipped with an RS 485 port...

Страница 45: ...Installation and operating manual Page 45 of 95 PVI 3 8 4 6 I OUTD Rev 1 5 Fig 19 Data Transmission Options ...

Страница 46: ...e can be used This software is included in the installation CD please check the website www power one com for the latest updated version The following data is available Grid voltage Grid current Grid frequency Power transferred to the grid Voltage of photovoltaic array 1 Current of photovoltaic array 1 Voltage of photovoltaic array 2 Current of photovoltaic array 2 Temperature of internal semicond...

Страница 47: ...tial time meter Daily energy meter Weekly energy meter Monthly energy meter Annual energy meter Energy meter over last 7 days Energy meter over last 30 days Energy meter over last 365 days Energy meter for a user defined period Daily energy buffer produced over the last 366 days Buffer of last 100 fault signals with error code and time mark All the meter data is shown on the LCD display and on the...

Страница 48: ...D will continue to flash until solar radiation becomes strong enough to start up the inverter During this phase the LCD display will show the message Awaiting sun 2 The yellow LED FAULT indicates that AURORA has detected a fault The type of problem will be shown on the display 3 The red LED GFI ground fault indicates that AURORA is detecting a ground fault in the DC side of the photovoltaic field ...

Страница 49: ...ut voltage less than 90 Vdc for both inputs 2 green yellow red AURORA initialization loading settings and waiting for grid check It is in a transition status needed for checking the operating conditions 3 green yellow red AURORA is transferring energy to the grid The machine is operating normally search for the maximum power point or constant voltage 4 green yellow red Anomaly detected in the syst...

Страница 50: ...hase for RS 485 communication 7 Green yellow red Disconnection from the grid Indicates that the grid is missing NOTE In correspondence with each of the inverter states signaled via the constant or intermittent lighting up of the relevant LED a message identifying the operation which is being performed or the fault defect detected will also be displayed on AURORA LCD display see the following parag...

Страница 51: ...e value is too low The problem may be linked to an isolation fault in the connection between the photovoltaic field inputs and the ground WARNING it is extremely dangerous to attempt to correct the fault yourself The instructions below must be followed very carefully Please contact a specialist if you do not possess the experience or qualifications necessary to work safely on the system What to do...

Страница 52: ...g the type of problem detected will appear on the LCD display V G R 6 Internal ventilation system anomaly Indicates that the ventilation system is not woking correctly This should not cause problems as the fan is only activated when high temperatures are combined with high output power V G R 7 Grid disconnection When the system is functioning normally and a grid failure event occurs the yellow LED...

Страница 53: ... an error signal generally involves some form of action by the installer of by the Power One Service The AURORA photovoltaic inverters will show on display much helpful information as possible to those performing the necessary maintenance on the equipment or system See the E line in the following tables Message Error warning Error type Description Sun Low W001 Input Voltage under threshold Input v...

Страница 54: ... relay self test fail Output relay self test failed Int Error E022 Output relay self test timeout Output relay self test failed Int Error E023 Dc Injection Error Int Error E024 Internal Error Int Error E025 Riso Low Log Only Isolation resistance low log only Int Error E026 Internal error Int Error E031 Output relays fail Output relays fault Int Error E032 Unbalanced output currents Output currents...

Страница 55: ...se 2 screens are displayed at inverter start up One of the following two screens may be displayed while waiting for the connection depending on conditions While the system is checking the grid connection the yellow LED next to the display will be lit up constantly and the green LED will be flashing When waiting for solar radiation Waiting sun the yellow LED will be off while the green LED will be ...

Страница 56: ...ows After the first control the following screens will alternate between them The grid voltage and frequency values will be displayed along with information regarding whether they are inside or outside the range until the connection is made When connected a beep will sound from the buzzer and from this point the screens will show the measurements as described in paragraph 5 5 3 Control grid 30 sec...

Страница 57: ...ctified the inverter resets all of the function in progress restarting the connection chapter 5 5 1 Connection of the system to the grid 5 5 3 First phase Electric parameter check GENERAL QUESTIONS RELATING TO THE USE OF DISPLAY KEYS During regular operation the display will cycle through available data The screens change every 5 seconds or can be alternated manually by pressing the UP and DOWN ke...

Страница 58: ...e value is expressed in the set currency E tot Total energy produced since first installation E par Partial energy produced during the period selected by us P out measured instant output power value In the second line of the display only the higher of the two temperatures is shown T boost1 booster channel 1 switching device temperature T boost2 booster channel 2 switching device temperature Ppk ma...

Страница 59: ...urrent value measured at channel 1 input Vin2 input instant voltage value measured at channel 2 input Iin2 input instant current value measured at channel 2 input Or In the case of configuration with one input connected and a second input connected in parallel this screen is shown instead of the 2 screens previously described VoutR 230 V Vout AvgR 230 V VoutT 230 V Vout AvgT 230 V VoutS 230 V Vout...

Страница 60: ...n is 5 5 times the minimum Vgnd measured voltage value between the negative earth input This screen is only displayed in the case of grounding of the positive or negative terminal Or Riso measured isolation resistance value values greater than 20Mohm are to be considered out of reading range Vgnd measured voltage value between the negative earth input This screen will only be displayed if the grou...

Страница 61: ...ct the correct operation of the inverter replace the fan at the first convenient opportunity MEMORY FAILURE data collected can no longer be stored For recovery it is necessary to call for assistance 5 5 4 Main menu Once the previous grid connection phases and electrical parameter checks have been completed other screens become available which allows us to monitor the inverter operation from variou...

Страница 62: ...scribed in paragraph 5 5 3 GENERAL QUESTIONS REGARDING THE USE OF DISPLAY KEYS The selected entry will be highlighted by an arrow on the left hand side of the display as shown in the figure below 5 5 5 1 Total By selecting Total you can access the following information Time Lifetime operation time E tot Total energy produced Val Economic gain CO2 CO2 saving compared to fossil fuels Total Partial T...

Страница 63: ... CO2 CO2 saving compared to fossil fuels since the count was last reset Resetting all meters in this submenu can be done be keeping the ESC key depressed 4th from display for more than 3 seconds After this time a sound will repeat three times 5 5 5 3 Today By selecting Today you can access the following information E tod Total energy produced during the current day Ppeak peak power value reached d...

Страница 64: ...onth By selecting Last month you can access the following information E mon Total energy produced the current month Val Economic gain in the current month CO2 CO2 saving in the current month compared to fossil fuels 5 5 5 6 Last 30 days By selecting Last 30 days you can access the following information E 30d Total energy produced over the last 30 days Val Economic gain over the last 30 days CO2 CO...

Страница 65: ...tart and end dates of the chosen period use the display keys Use ENTER to scroll from one field to the next from left to right Use ESC to return to the previous field from right to left Press ESC repeatedly to return to the previous menus as described in chapter 5 5 3 To set the day Use DOWN to scroll through the numbers in descending order from 31 to 1 Use UP to scroll through the numbers in asce...

Страница 66: ...t Press ESC repeatedly to return to the previous menus as described in chapt 5 5 3 Use DOWN to scroll through the numbers in descending order from 9 to 0 Use UP to scroll through the numbers in ascending order from 0 to 9 After having entered the correct password press ENTER to access to the different information saved in this section The display only shows 2 lines so to scroll through the entries...

Страница 67: ...o the system on the RS485 line The numbers assigned can go from 2 to 63 Use the UP and DOWN keys to scroll through the numbers The AUTO selection is not usable at the moment 5 5 6 2 Display Set This function allows you to set the display characteristics 1 Light display light setting With the MODE key it is possible to control the display backlighting After selecting the Mode entry with the arrow a...

Страница 68: ...sword only supplied by Power One is necessary to gain access 5 5 6 4 New password This function is used to change the default password 0000 To enter your own personal code the display keys must be used in the following way Use ENTER to scroll from one digit to another from left to right Use ESC to return to the previous digit from right to left Press ESC repeatedly to return to the previous menus ...

Страница 69: ... connection to the ENEL power supply distribution grid the autotest can be launched through the menu on the display or by using an RS485 USB converter and the AURORA Communicator software see paragraph 5 6 for further details The following conditions are necessary for the Autotest to be performed You must have set the ENEL grid standard The inverter must be connected to the grid in a way that allo...

Страница 70: ...d occurs At the end of the test when the inverter has disconnected itself from the grid the test result will be shown on the display Pressing the ESC key will allow you to return to the Autotest menu from which you can select another test UV Test During this test the limit set for the maximum grid voltage AC is increased gradually until reaching the threshold for which the disconnection of the inv...

Страница 71: ...essing the ESC key will allow you to return to the Autotest menu from which you can select another test UF Test During this test the limit set for the maximum grid frequency Hz is increased gradually until reaching the threshold for which the disconnection of the inverter from the distribution grid occurs At the end of the test when the inverter has disconnected itself from the grid the test resul...

Страница 72: ... This function can activate 4 different modes of alarm By pressing the ENTER key you can access the following submenu The selected entry is highlighted by an arrow on the left hand side of the display Use the UP DOWN keys to change your selection and the ENTER key to confirm PRODUCTION the relay is only activated when the inverter is connected to the grid For example if the N O or N C contact is c...

Страница 73: ... in the inverter an error occurs or warning is issued from those selected once in the inverter the error has occurred or warning issued the relay switches its status to closed open The contract remains in this position i e switched over with respect to its rest position until the error code or warning is solved TWILIGHT the relay switches only when the input voltage set for grid connection is exce...

Страница 74: ...own The state of the control signal can be read from the internal microprocessor and alternatively if this is closed the display will show the forced OFF status 5 5 6 12 UV Prot time Using this function it is possible to set the length of time for which the inverter will remain connected after input voltage drops below the Under Voltage limit fixed at 70 of the activation voltage Power One sets th...

Страница 75: ... You can enable or disable the scan function to identify the maximum multiples The time interval for system maximum multiples scans can be set using this function The default setting is 15 minutes You may also decide to perform a manually scan by using the specific control 5 5 6 14 Alarm Message Follow the procedure described below in order to program the error message that will be shown on the di...

Страница 76: ...imes will allow you to move to the second line To write the message use the display keys following procedure below Use the ENTER key scroll from one position to the next from left to right Use the ESC key to return to the previous position from right to left Press the ESC key several times to return to previous menus as described in chapter 5 5 3 Use the UP key to scroll through the numbers letter...

Страница 77: ...witched over Set new manually set the new selected standard Residual time for which it is still possible to change the applied standard The last menu allows you to see which standard is currently set in the inverter Current Value which will be applied to the next start up New Value after acting on the selectors manually set the new value Set New Value and set the time remaining for making changes ...

Страница 78: ...rocedure can be carried out by using the AURORA Communicator software included in the CD provided To carry out autotest follow the procedure below Install the AURORA Communicator software on your PC Connect the inverter to the PC by using the RS485 UBS converter Start up the AURORA Communicator software The start up screen will be displayed ...

Страница 79: ...I 3 8 4 6 I OUTD Rev 1 5 Click on Configuration Configure Inverter In the Configure inverter window click on Scan all the connected inverters will be shown under Inverter list Select the inverter upon which the autotest is to be performed and press OK ...

Страница 80: ...selected inverter will now be shown Right click on the S N of the inverter and click Autotest Select the test or tests of interest check max voltage check min voltage check max frequency check min frequency checking off the corresponding check boxes and clicking on the start button to launch the test ...

Страница 81: ...ge 81 of 95 PVI 3 8 4 6 I OUTD Rev 1 5 The inverter will perform all of the tests selected in sequence displaying its progress At the end of each test the wait grid screen will appear while awaiting the inverter to re connect to the grid ...

Страница 82: ...8 4 6 I OUTD Rev 1 5 When the AURORA Communicator has completed all of the requested tests a summary screen will appear reporting the results of the various tests NOTE Click on the Export button to export the test results onto your PC in csv or txt format ...

Страница 83: ...he caps Fig 23 Cable routing for RS 485 connection For ease of installation the inverter is provided with two holes to differentiate the input cable route from the output cable route when several units are connected in a daisy chain as described below Once the cables have been passed through the cable gland they are connected inside the unit to the RS 485 terminal blocks which can be accessed by r...

Страница 84: ...2 Not Used 3 TR Data Line RS485 Communication 4 R Remote OFF Remote control see paragraph 5 5 6 10 for details 5 TR Data Line RS485 Communication 6 Not Used 7 RTN Signal Return Common mass for logical signals 8 Not Used 6 1 3 Daisy chain The RS 485 terminal block or RJ45 connectors can be used to connect a single AURORA inverter or multiple inverters connected in a daisy chain The maximum number o...

Страница 85: ...n configuration Fig 25 Daisy chain connection NOTE when using an RS 485 connection there may be up to 62 inverters connected on the same chain Choose any address between 2 and 63 NOTE when using an RS 485 connection if one or more inverters are subsequently added to the system remember to switch back to the OFF position the system inverter switch that before was the last one in the system RTN T R ...

Страница 86: ...ystem ensure optimal operation of AURORA If the inverter should malfunction however solve the problem as follows Work in safe conditions as described in chapter 3 5 checking that the connections between AURORA the photovoltaic field and the distribution grid have been made correctly Carefully observe which of the LEDs is flashing and read the text on the display After having done this follow the i...

Страница 87: ...termittent or steady light Which signals are shown on the display Brief description of the fault Have you noted if the fault can be reproduced If so in what way Have you noted if the fault repeats itself cyclically If so how often Was the fault present at the time of installation If so has it worsened Describe the atmospheric conditions present at the time the fault appeared INFORMATION on the Pho...

Страница 88: ...r to 520 Vdc 0 output power WARNING the open circuit voltage of the photovoltaic panels is affected by the ambient temperature the open circuit voltage rises as temperature drops and it is necessary to ensure that the minimum expected temperature for installation does not cause the panels to exceed their maximum upper voltage limit of 520 Vdc The table below is an example which indicates the maxim...

Страница 89: ...mber of panels Max number of panels Panel voltage 25 21 6 24 28 8 18 36 0 14 43 2 12 20 22 0 24 29 4 18 36 7 14 44 0 12 15 22 4 23 29 9 17 37 4 14 44 9 12 10 22 8 23 30 5 17 38 1 14 45 7 11 5 23 3 22 31 0 17 38 8 13 46 5 11 0 23 7 22 31 6 16 39 5 13 47 3 11 5 24 1 22 32 1 16 40 1 13 48 2 11 10 24 5 21 32 7 16 40 8 13 49 0 11 15 24 9 21 33 2 16 41 5 13 49 8 10 20 25 3 21 33 8 15 42 2 12 50 7 10 25 ...

Страница 90: ...ting input current of each array 12 5 Adc 14 Adc Maximum Backfeed current from AC to DC side negligible Max input power of each array 1 3000 W PV ground fault protection Isolation detection system PTC Input channel configuration array Parallel Independent 2 1 The total input power must remain within the max recommended DC power value 2 The independent channel configuration cannot be used with posi...

Страница 91: ... current 18 2 A 16 A for UK Version G83 1 22 5 A Output over current protection 20 A 25 A Maximum output fault current 25A rms 60ms Inrush Current negligible Power factor range 0 8 to 0 8 Grid voltage maximum operating range for Australia AS47773 200 264 Vac WARNING In case of more than an inverter are linked to the same connection grid point It will not be possible to avoid an unbalance of power ...

Страница 92: ...ution degree 3 Overvoltage category in compliance with IEC 62109 1 II Input DC circuit III Output AC circuit Protective Class I Isolation level High Frequency transformer double isolation Level of casing protection IP65 Nema 4X Audible noise when internal fan is operating 50 dbA 1m Size height x width x depth 712 x 325 x 222 mm Weight 24 kg Relative humidity 0 100 condensation point Working altitu...

Страница 93: ...iciency curve PVI 3 8 I OUTD Fig 27 Efficiency curve PVI 4 6 I OUTD 91 92 93 94 95 96 97 98 0 10 20 30 40 50 60 70 80 90 100 of Rated Output Power Efficiency 200 Vdc 340 Vdc 416 91 92 93 94 95 96 97 98 0 10 20 30 40 50 60 70 80 90 100 of Rated Output Power Efficiency 200 Vdc 340 Vdc 416 ...

Страница 94: ...ilable from the photovoltaic field AURORA therefore can reduce power during certain periods of the days according to the value of these parameters However AURORA guarantees maximum power up to an ambient temperature of 50 C for PVI 4 6 I OUTD and of 60 C for PVI 3 8 I OUTD provided that it is not exposed to direct solar radiation Reduction in power due to input voltage The chart shows the automati...

Страница 95: ...pends on the setting of the minimum starting voltage 200V default Once the converter is switched on it will continue to operate according to the curves up to a minimum value of 70 of the set starting voltage i e with a default value of 200V the converter will have a minimum operating voltage of 140V Conditions for power reduction due to environmental conditions and input voltage may occur at the s...

Страница 96: ......

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