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Installation and operator’s manual

Page 60 of 65

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

Description

Value

PVI – 2000-OUTD

Nominal input voltage

360Vdc

Input voltage range

from 90 Vdc to 600 Vdc

Input voltage, MPPT operating
range

from 90 Vdc to 580 Vdc

Input voltage, MPPT range at
full power

from 220 Vdc to 530 Vdc

Minimum input voltage for grid
connection

200Vdc

Max. short circuit current

12 Adc

Max. operating input current

10 Adc

Max. input power

2200 W

PV Ground fault protection

Ground fault detection and shut off provided

Array configuration

One array

NOTE:

If the input current supplied by the photovoltaic field connected to

the inverter is above the max. value and the input voltage is within the

allowed range, the inverter is not damaged.

Содержание AURORA

Страница 1: ...AURORA Photovoltaic Inverters INSTALLATION AND OPERATOR S MANUAL Model number PVI 2000 OUTD AU Rev 1 0 ...

Страница 2: ...ion Author Date 9 Change description 1 0 Gianluca Pieralli 27 10 2008 9 First 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 ...

Страница 3: ...e 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 s...

Страница 4: ... need to know the nearest authorised repair centre Read 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 The connection to the distribution grid must be done only after receiving approval from the distribution utility as required by national and state interconnection r...

Страница 5: ...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 ...

Страница 6: ... 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 SA...

Страница 7: ...U 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 ...

Страница 8: ...round Fault 16 2 4 3 Further Protective Devices 17 3 INSTALLATION 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 4 START UP 30 5 MONITORING AND DATA TRANSMISSION 31 5 1 USER INTERFACE MO...

Страница 9: ...K 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 7 TROUBLESHOOTING 56 8 TECHNICAL 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 ...

Страница 10: ...g 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 ene...

Страница 11: ...ectronic devices When used in parallel with the grid the alternate current generated by the inverter is directly fed to the domestic distribution circuit which in turn is also connected to the public power distribution grid The solar energy system can thus feed power to all the connected devices such as lighting devices household appliances etc If the energy generated by the photovoltaic system is...

Страница 12: ...cells assembled on the same mount A STRING is composed of a certain number of panels electrically connected in series An ARRAY is composed of one or more strings connected in parallel Larger photovoltaic systems can be composed of a certain number of arrays connected to one or more AURORA inverters By maximizing the number of panels in series per string the cost and complexity of the system wiring...

Страница 13: ...photovoltaic system exceeds the capabilities of a single AURORA inverter additional inverters can be added to the system each connected to a suitable section of the photovoltaic field on the Dc side and to the grid on the Ac side Each AURORA inverter will work independently from the others and will push to the grid the maximum power available from its own section of the photovoltaic panels The act...

Страница 14: ...gram The main blocks are given by the input Dc Dc converters also known as booster and the output inverter Both the Dc Dc converters and the output inverter work at high switching frequency to minimize size and weight This model of AURORA is transformer less that means that there is no galvanic isolation between input and output This allows an increase in the inverter efficiency AURORA on the othe...

Страница 15: ...independent Digital Signal Processors DSP and a central microprocessor The connection to the electrical grid is therefore controlled by two independent computers in compliance with electrical standards power system standards and safety standards the AURORA operative system communicates with the relative components to carry out data analysis All this guarantees an optimal operation of the whole sys...

Страница 16: ...andards AS4777 3 2005 2 4 2 Panel Ground Fault This version of Aurora is designed for connection to floating Photovoltaic arrays only with the positive and negative terminals from the panels are not connected to the Ground the metallic support of the panel instead shall be connected to safety Ground in accordance with existing electrical safety regulations An advanced ground fault protection circu...

Страница 17: ...ances The protections include Continuous monitoring of the grid voltage to ensure the frequency and voltage values are within the proper operational limits Control of the internal temperatures to automatically limit power when needed to make sure the unit does not overheat heat sink temperature 70 C 158 F The many AURORA control devices determine a redundant structure to guarantee safe operating u...

Страница 18: ...e distributor the delivering carrier assumes responsibility for its safe arrival to you Despite of the attention paid by carrier in handling it sometimes the package and its contents might be damaged Please carry out the following checks Examine the shipping box for any visible damage punctures dents or any other signs of possible internal damage Describe any damage or shortage on the receiving do...

Страница 19: ... warranty service for any physical damages later reported for repair Save AURORA original packaging as it will have to be used in case the equipment has to be shipped out for repairs 3 2 Package Check List Description Quantity No AURORA Photovoltaic Inverter 1 Bag containing a wall fixing kit composed of 4 stainless steel screws 4 blocks and a TX20 tap wrench and a connector kit composed of 1 sign...

Страница 20: ...nit to allow easy installation and maintenance Fig 5 Choose a location sheltered from sun radiation and able to provide some ventilation The screw and tabs for wall mounting need to be chosen according to the wall construction material stone full bricks holed bricks etc WARNING The metal surface in the back of AURORA could reach high operating temperatures up to 70 C Avoid contact of the surface w...

Страница 21: ... front plate rotated always make sure that the fins of the front heatsink are vertical To facilitate wall mounting a reference drawing is provided in the package Fig 6 Use the drawing to locate the holes on the wall A set of standard expansion stainless steel screws is included in the package for use in mounting the AURORA to a masonry wall In case of different materials make sure to select the pr...

Страница 22: ...g It is possible to mount AURORA in a tilted position In that case the thermal dissipation will not be optimized and the unit may derate the maximum output power at ambient temperatures below 40 C see Fig 9 NOTE In case of installation of several units Power One recommends not to install them in parallel superimposed rows In fact the heat generated by the bottom rows will get the ambient temperatu...

Страница 23: ...commended assembling It is recommended that the unit is not placed in direct sunlight WARNING During operation inverter surface can reach very high temperatures DO NOT touch inverter surface to prevent the risk of burns Fig 9 Inverter tilted mounting Deratin 5 5 0 Deratin Deratin NO Deratin ...

Страница 24: ... well as all safety warnings Any operation non complying with the instructions below can lead to operator installer hazards and to equipment damage WARNING Always respect the nominal ratings of voltage and current defined in chapter 8 Technical Features when designing your system In particular regarding the photovoltaic system Maximum Dc array input voltage for each MPPT circuit 600Vdc in any cond...

Страница 25: ... mandatory should you choose to use a Power One approved over current protection we recommend insetting them in the system Recommended ratings for the Ac over current protection device is maximum 10A 240V 9 Fig 10 General wiring diagram WARNING always open the AC disconnect breaker to disconnect AURORA from the grid before opening the DC disconnect PV Array DC Disconnect Fuse rating 10A 600V AC Di...

Страница 26: ...ht Fig 11 there are 1 watertight cap This cap can be replaced by the PG16 5 cable gland supplied with the inverter to route the signal cable for RS485 serial link 1 Binder connector for connection to the grid 1 pair of Multicontact connectors for the connection of the PV array IN1 2 watertight caps seal off the IN2 inputs only available on PVI 3600 models Fig 11 Connections at the bottom of the in...

Страница 27: ...with a tripolar wire a phase conductor a neutral conductor and a yellow green one for the earth connection PE protection 1 Lay the wire between AURORA and the Ac disconnect switch 2 Enter the wire in the Binder counterpart connector provided taking care to respect the indications present on the plastic near the terminal blocks as indicated in Fig 11 terminal block 1 for Neutral terminal block 2 fo...

Страница 28: ...to an input section of the AURORA inverter WARNING Take special care to ensure the photovoltaic voltage polarity corresponds to the symbols and labelled on the contacts of the photovoltaic field Before connecting AURORA with the photovoltaic field Power One recommends checking using a proper gauge that the polarity value and the voltage value allowed between positive and negative contacts are corr...

Страница 29: ...c shock from energy stored in capacitors Wait 5 minutes after disconnecting both Ac and Dc connections before opening the side panel To remove the side panel unscrew it using the Torx TX20 wrench supplied with the inverter kit Fig 13 Removing the side panel After operation the side panel screws shall be tightened with a torque of 1 5 Nm 13 2 in lbs to ensure watertight sealing ...

Страница 30: ...ing on the conditions of the grid During the check the LCD display will show a sequence of three screens indicating Remaining time for next connection Grid voltage value and status in or out of range Grid frequency value and status in or out of range 3 If the grid check is successfully completed the unit will perform a protective test on the unit It s normal that the unit produces an audible sound...

Страница 31: ...ting to start working again The operational cycle is automatically restored as soon as the solar radiation is enough AURORA inverter can provide operational data in the following ways LED indicators Operational data on the LCD display Data transmission on a dedicated serial RS 485 line or RS 232 line The data can be collected by a PC or data logger equipped with a suitable RS 485 or RS 232 port In...

Страница 32: ...Installation and operator s manual Page 32 of 65 PVI 2000 OUTD AU Rev 1 0 Fig 14 Aurora data communication ...

Страница 33: ...internally by the AURORA inverter The free AURORA Communicator interface software provided on the installation CD can be used to retrieve and store data on a PC computer please check on www power one com for updated versions The following data are available Grid voltage Grid current Grid frequency Power transferred to the grid Voltage of PV array Current of PV array Heat sink temperature Serial Nu...

Страница 34: ...on average cover more than 2 days logged data Partial counter of grid connection time the counter start time can be reset by using the AURORA Communicator software Partial counter of energy uses the same start time of the partial time counter Last 100 fault conditions with error code and time stamp Last 100 variations to the grid connection parameters with parameter code new value The first two da...

Страница 35: ...he LED is on If on the other hand the sun is too low the LED keeps blinking and the LCD shows the message waiting for sun 2 The yellow FAULT LED indicates that AURORA has detected a fault The type of fault will be described in the LCD display 3 The red GFI ground fault LED indicates that AURORA has detected a ground fault in the PV system on the DC side When this type of fault is detected AURORA i...

Страница 36: ...of 65 PVI 2000 OUTD AU Rev 1 0 Fig 15 LED location The following table summarize all the possible LED activation configurations related to each AURORA inverter operating status KEY LED on LED flashing LED off Any of the above conditions 1 2 3 4 ...

Страница 37: ...ch of max power point or constant voltage 4 green yellow red System insulation device faulty Ground leakage found 5 green yellow red Defect fault The Fault can be inside or outside the machine See the alarm appearing on the LCD 6 green yellow red Installation phase Aurora is disconnected from grid During installation it refers to set up of the address for RS 485 communication 7 green yellow red Gr...

Страница 38: ...that insulation resistance was found to be too low This may be due to an insulation fault in the connection between the photovoltaic field inputs and the ground WARNING Shock hazard Do not attempt to correct this fault yourself The instructions below have to be followed very carefully In case you are not experienced or skilled enough to work safely on the machine contact a specialized technician W...

Страница 39: ... yellow LED comes on and a message showing the type of problem found appears on the LCD G Y R 6 RS 485 address setup indication During installation the yellow LED will keep flashing until the address is acknowledged For further information about address entering refer to section 6 3 G Y R 7 Grid disconnection If a grid failure event occurs while the system is regularly operating the yellow LED tur...

Страница 40: ...itions are restored See the Warning column W in the table below ERRORS identify a possible fault of the equipment or of the connected parts The signal will disappear as soon as the causes are removed except for the ground insulation fault on photovoltaic panels for which the intervention of qualified personnel is required Usually when an error signal appears an action is needed This action will be...

Страница 41: ...er Temp E014 Internal overtemperature 20 Cap Fault E015 Bulk capacitor fail 21 Inv Fail E016 Inverter fail detected by the DcDc 22 Int Error E017 Start Timeout 23 Ground F E018 Ileak fail 24 25 Int Error E019 Ileak sensor fail 26 DC DC Fail E012 DcDc error detected by the inverter 27 Int Error E020 inverter relay fail 28 Int Error E021 DcDc relay fail 29 Int Error E019 Ileak sensor fail 30 Int Err...

Страница 42: ...UTD AU Rev 1 0 measurement ZGrid 43 Int Error E030 Wrong leakage current measurement ILeak 44 Int Error E031 Wrong voltage measurement V 45 Int Error E032 Wrong current measurement I 46 Fan Fail W010 Defective Fan log only 47 Int Error E033 Internal temperature ...

Страница 43: ... of the display there is a button that when pressed freezes the screen Pushing the button again unfreezes the screen When AURORA is turned on the display shows the following screen for about 10 seconds Afterwards it begins to check the grid While checking the grid the display shows the three following screens cyclically 9 This screen shows how many seconds are left before a new grid connection Att...

Страница 44: ...the related status in range or out of range see section 9 for further details or After AURORA is connected to the grid the display starts showing cyclically the following information screens each for 5 seconds 9 First screen Type and Part Number 9 Second screen Serial Number and Firmware release number Vgrid V In range Vgrid V Out of range Fgrid Hz In range Fgrid Hz Out of range Type Part No S N F...

Страница 45: ...Fifth screen Total energy exported to the grid E Total and total operating time h Total that is time during which the unit was active Both data are measured since the unit was first operated 9 Sixth screen Time during which the unit exported energy to the grid Timegrid and number of times that unit connected to the grid Numgrid Riso MOhm Pac W Vin V E Total KWh h Total h Timegrid hh mm ss Numgrid ...

Страница 46: ...properly the Fault or Ground Fault LEDs will turn on as described in paragraph 5 3 and the following three screens scroll on the LCD remaining on for 5 seconds They contain important information that should be communicated to service personnel and will show cyclically on the LCD each for 5 seconds This screen shows the code of the error found for further information refer to Chapter 5 4 E Today Wh...

Страница 47: ... Part N E Today ModeInverter Initializing Please Wait ERROR Model P N S N Firmware Next Connection sec Vgrid In range Fgrid In range Vgrid Out of range Fgrid Out of range I Leak Regular cycle Grid error Regular cycle Regular cycle Exit from regular cycle Come back to regular cycle Loop Error E Total h Total TimeGrid NumGrid Pac Vin S N Firmware ...

Страница 48: ...y 1 Pac Output Ac power E Total Total energy transferred to the grid since the unit was first operated E Today Total energy exported to the grid today h Total Total time since the unit was first operated Type Type of AURORA S N Serial Number Part No Part Number Firmware Firmware release number TimeGrid Time during which the unit exported energy to the grid NumGrid Number of connections to the grid...

Страница 49: ... with the watertight conduit cable gland PG16 5 in case multiple units are connected on the same RS485 link through a daisy chain In case a single wire is used please stop the 2nd hole with the small white plug included in the kit The wires are then run to the RS 485 screw terminal blocks that is located in the internal compartment and is accessible by removing the right side panel Please refer to...

Страница 50: ... position of the dip switch shown in Fig 16 from OFF to ON The default position of the switch is OFF Also each unit must have a different address See par 6 2 to change the addresses In order for the RS485 communication line to perform the best Power one recommends to connect its PVI RS232485 adapter before the first unit of the daisy chain see fig 17 for details Equivalent devices may also be used...

Страница 51: ...n be no more than 31 inverters connected on the same link Although you are free to choose any address between 2 and 63 we recommend using addresses between 2 and 34 for the RS 485 serial link NOTE When using the RS 485 link in case one or more inverters are later added to the system please remember to bring the dip switch that was the last of the system back to OFF ...

Страница 52: ...e the following procedure to set the new address 1 Press the key on the side of the LCD display button for at least 5 seconds 2 AURORA disconnects from the grid the yellow LED begins to blink and the display shows 3 Press the key as many times as needed to select the address between 2 and 63 After the 63 the address starts back from 0 WARNING Do not use the AUTO address The automatic setting of th...

Страница 53: ...usly for at least 5 sec and then released the display menu enters in the Baud Rate setting 2 The display will show the wording SET BAUD RATE and the default baud rate setting of 19200 3 To confirm the baud rate setting displayed just push the button firmly for another 5 sec period 4 conversely to show the other baud rate setting options just shortly push the button SET BAUD RATE 19200 NEW ADDRESS ...

Страница 54: ...1 0 5 To confirm the selected baud rate that appear on the display keep the button firmly pushed for at least 5 sec WARNING In general the standard baud rate is at 19200 Only in case of long distance or noisy transmission lines it is recommended to slow down the baud rate ...

Страница 55: ...nt Unit Delivery rate Resolution Resolution Data Unit Display Measurement Max error Output voltage PV VP1 Vdc 1 V 600mV 2 Output current PV IP1 Adc 0 1 A 15mA 2 Power PV Pin1 W 1 W 10W 2 Output voltage Vout V 1 V 2 Output current Iout A 0 1 A 2 Output power Pout W 1 W 2 Frequency Freq Hz 0 01 0 01 0 1 Energy produced Energy Wh 1 Wh 4 Tot time counter Lifetime hh mm ss 1 s 0 2 Partial time counter ...

Страница 56: ...ee an optimal operation of AURORA However should any malfunction of the photovoltaic system arise solve problems as follows 9 Work under safe conditions as stated in chapter 3 5 and following Make sure that the connections between AURORA the photovoltaic field and power distribution grid have been made correctly 9 Carefully observe which LED is blinking and read the signal appearing on the display...

Страница 57: ...r steady 9 Which signal is shown on the display 9 Short description of the malfunction 9 Can the malfunction be reproduced 9 If so how 9 Does the malfunction appear cyclically 9 If so how frequently 9 Is malfunction present from installation 9 If so has it worsened 9 Description of the weather conditions at the time the malfunction appeared INFO on the Photovoltaic Field 9 Make and model of photov...

Страница 58: ...put power WARNING The open circuit voltage of the photovoltaic panels is affected by the ambient temperature the open circuit voltage increases as the temperature decreases Make sure that at the minimum temperature estimated for the installation does not cause the panels to exceed the maximum upper limit of 600Vdc As an example the following table shows for typical panels of 36 48 and 72 cells the...

Страница 59: ...ls Panel voltage Max number of panels Panel voltage Max number of panels 25 21 6 27 28 8 20 43 2 13 20 22 0 27 29 4 20 44 0 13 15 22 4 26 29 9 20 44 9 13 10 22 8 26 30 5 19 45 7 13 5 23 3 25 31 0 19 46 5 12 0 23 7 25 31 6 19 47 3 12 5 24 1 24 32 1 18 48 2 12 10 24 5 24 32 7 18 49 0 12 15 24 9 24 33 2 18 49 8 12 20 25 3 23 33 8 17 50 7 11 25 25 7 23 34 3 17 51 5 11 9 Table A ...

Страница 60: ... full power from 220 Vdc to 530 Vdc Minimum input voltage for grid connection 200Vdc Max short circuit current 12 Adc Max operating input current 10 Adc Max input power 2200 W PV Ground fault protection Ground fault detection and shut off provided Array configuration One array NOTE If the input current supplied by the photovoltaic field connected to the inverter is above the max value and the inpu...

Страница 61: ...200 to 270 Vac Nominal grid voltage 230 Vac Grid voltage operating range in compliance to AS4777 from 89 to 115 of nominal voltage from 205 to 264Vac for Vnom 230Vac Grid frequency maximum range from 45 to 55 Hz Grid frequency nominal 50 Hz Grid frequency operating range in compliance to AS4777 from 47 1 to 52 9 Hz Current output nominal 9 Arms Output over current protection 11 Arms ...

Страница 62: ...haracteristics Description Value PVI 2000 OUTD Maximum efficiency 96 Internal consumption during stand by 8 W Internal consumption during night time 0 30 W Operating ambient temperature from 25 C to 60 C from 13 F to 140 F Enclosure protection level IP65 Nema 4X Audible Noise 30dBA 1m with fans off 50 dBA 1m with fans max speed Dimensions H x W x D 420 x 310 x 144 mm Weight 12 kg ...

Страница 63: ...the internal components within the optimal operating temperature range Under severe operating conditions when ambient temperature is very high the unit may need to reduce the power supplied Several environmental factors can influence the operating temperature of the unit such as ambient air temperature airflow exposure to sun radiation input voltage and power orientation of the heatsink fins etc A...

Страница 64: ...D AU Rev 1 0 Power Derating due to Input Voltage The graph shows the automatic derating of the power supplied when input voltage values are too high or too low Power Derating max input current Non Operating Range Voltage Derating Range Non Operating Range Fig 18 ...

Страница 65: ...Installation and operator s manual Page 65 of 65 PVI 2000 OUTD AU Rev 1 0 CERTIFICATES OF COMPLIANCE ...

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