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ABB SOLAR INVERTERS
PVS800-57B central inverters
Commissioning and maintenance manual
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5
Table of contents
1. Safety instructions
Contents of this chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Use of warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Installation and maintenance safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Electrical safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Performing electrical work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
General safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Safe start-up and operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2. Introduction to the manual
Contents of this chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Applicability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Target audience . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Contents of the manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Related documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Categorization by frame size and option code . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Quick installation, commissioning and operation flowchart . . . . . . . . . . . . . . . . . . . . . . . 19
Terms and abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3. Storing, lifting and transporting
Contents of this chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Moving the inverter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Storing the inverter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Lifting the inverter in the shipping package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
With a crane . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
With a forklift truck . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Moving the crate with a forklift . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
Transporting the inverter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
4. Mechanical installation
Contents of this chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Required tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Unpacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
Examining the delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Examining the installation site . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
Moving the unpacked inverter cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Fastening the cabinet to the floor and wall or roof . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
General rules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
Fastening methods . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Clamping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
Miscellaneous . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Cable duct in the floor below the cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Ventilation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
6
Preventing the recirculation of hot air . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Ventilation duct at the air outlet of the cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
5. Electrical installation
Contents of this chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Insulation test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Inverter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
AC output cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
PV generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Routing the cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Connecting the power cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Connection diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Connection diagram of a four-conductor system . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
DC input cable connection procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43
AC output cable connection procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Checking the settings of the auxiliary voltage transformer . . . . . . . . . . . . . . . . . . . . . . . 45
3-phase power output (optional) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Connecting the control cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Default I/O connection diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Connection procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Fast power off circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Startup after FPO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Connecting a PC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Installing fieldbus adapter modules . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
6. Installation checklist
Contents of this chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
7. Start-up and operation
Contents of this chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Start-up procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Primary and ambient conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Set up the insulation monitoring device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Set-up the current transducers (option +G417) for all DC inputs . . . . . . . . . . . . . . . . 54
Hints on using the assistant control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Parameter settings before the first start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
First start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Starting and stopping the inverter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Set up fieldbus control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Register the inverter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
8. Hardware status
Contents of this chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
LEDs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Warning and fault messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
7
9. Maintenance
Contents of this chapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Maintenance intervals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Descriptions of symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Recommended annual maintenance actions by the user . . . . . . . . . . . . . . . . . . . . . . 60
Recommended maintenance intervals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Maintenance tasks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Examining the environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Cleaning the cabinet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Replacing the cabinet door air filters and cleaning the grilles . . . . . . . . . . . . . . . . . . 62
Fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Replacing the power module cooling fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Replacing the power module board compartment fan . . . . . . . . . . . . . . . . . . . . . . . . 64
Replacing the LCL filter cooling fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Replacing the AUX cabinet cooling fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
Replacing the DC cabinet cooling fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Replacing the AC cabinet cooling fans . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Replacing the inverter power module . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Heat sink cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Memory unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Replacing the BCU control unit battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Replacing the control panel battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Spare parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Storing spare parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
DC circuit capacitors reforming, spare modules, and spare capacitors . . . . . . . . . . . 75
Further information
8
Safety instructions 9
1
Safety instructions
Contents of this chapter
This chapter contains the safety instructions which you must obey when you install and
operate the inverter and do maintenance on the inverter. Obey these safety instructions to
prevent injury or death, or damage to the equipment.
Use of warnings
Warnings tell you about conditions which can cause injury or death, or damage to the
equipment. They also tell you how to prevent the danger.
The manual uses these warning symbols:
Electricity warning – Electrical hazards which can cause injury or death, or
damage to the equipment.
General warning – Conditions, other than those caused by electricity, which
can cause injury or death, or damage to the equipment.
Electrostatic sensitive devices warning – Risk of electrostatic discharge
which can cause damage to the equipment.
Hearing loss warning – Risk of hearing loss due to high volumes. Use hearing
protection.
10 Safety instructions
Installation and maintenance safety
Electrical safety
These warnings are for all personnel who do work on the inverter, its input and output
cables, the transformer or photovoltaic generator.
WARNING! Obey these instructions to prevent injury or death, or damage to the
equipment.
• If you are not a qualified electrician, do not do electrical installation or
maintenance work.
• Obey all installation safety standards. This can require, among other things, the use of
personal protection equipment (PPE), such as arc-proof clothing, arc-proof masks,
protective footwear, protective gloves, eye protection and hearing protection. High
power inverter installations have high fault currents. Select appropriate arc-proof
clothing (for example, in the US, a rating of 40 cal/cm
2
is required, EN531).
• Standard IEC/EN 62109-2 (section 4.8.3.6) requires that, as the inverter is not
provided with full protection against shock hazard on the photovoltaic array, you install
and use the inverter in a closed electrical operating area. There is no RCD protection
inside the inverter.
• Do not do work on the photovoltaic generator, or the inverter or its input or output
cables when the inverter is connected to an electrical power system or to the
photovoltaic generator.
• Before you do work in the inverter cabinet, isolate the AC line cables and busbars from
the electrical power system with the disconnector of the power system transformer.
Also, isolate the inverter from the photovoltaic generator with the safety switch of the
generator or by other means. The optional AC disconnectors or optional breakers do
not isolate the AC output cables and terminals of the inverter from the electrical power
system. The DC disconnectors do not isolate the DC input fuses, cables or terminals
from the DC voltage supplied by the photovoltaic generator.
• Before you do work in the inverter cabinet, set to off or isolate the auxiliary voltage
supply from the inverter.
• The inverter auxiliary power can be supplied from an external source (standard) or
from internal auxiliary power transformers. Make sure that also auxiliary power is
disconnected.
• Do not operate the inverter with the doors open, even in fault tracking conditions. The
inverter doors act as arc hazard protection. If a highly unlikely arc flash incident
happens when the inverter doors are open, even the arc-flash proof protection
equipment might not provide sufficient protection.
• Before you do work on the inverter, apply a temporary grounding for work (AC and DC
side).
• Do not work on the control cables when power is applied to the inverter or to the
external control circuits. Externally supplied control circuits can cause dangerous
voltages in the inverter even when the main power on the inverter is off.
• Live parts in the inverter cabinet are protected against direct contact when all
protective plastic covers and metallic shrouds are in place.
• Do not do insulation or voltage withstand tests on the inverter or inverter modules.
• With the grounding options selected, one of the poles of the photovoltaic generator is
grounded, and therefore, the other pole has full voltage against ground (up to 1000 V).
Safety instructions 11
• When the photovoltaic generator cells are exposed to light (even if it is dim), the
generator supplies DC voltage to the inverter.
Grounding
These instructions are for all personnel who are responsible for the grounding of the
inverter.
WARNING! Obey these instructions to prevent injury or death, damage to the
equipment and electromagnetic interference.
• If you are not a qualified electrician, do not do grounding work.
• Always ground the inverter and adjoining equipment with proper PPE on. This is
necessary for personnel safety. Correct grounding decreases electromagnetic
emissions and interference. Follow the site’s policy on disconnecting the inverter from
AC.
• The minimum cross section of the grounding conductor must be at least half of the
cross section of the line conductor or fulfill the local regulations. The grounding
conductor must withstand 50 kA RMS prospective for time duration of 1 second. Refer
to standard IEC 60364-5-54.
• In a multiple-inverter installation, connect each inverter separately to the protective
earth (PE) busbar of the switch board or the transformer.
• Avoid grounding loops and keep grounding cables at least 0.5 m away from the AC
cables, as current can be generated to a grounding loop by the electromagnetic
coupling from the supply cables.
• When you use shielded AC power cables, do a 360° high-frequency grounding of the
cable entries at the cabinet lead-through to decrease electromagnetic interference.
Connect the cable shields to the protective earth (PE) to meet safety regulations.
• External EMC filters are not permitted at the AC output of the inverter.
• Do not install the inverter on a TN (grounded) system.
Note:
• You can use power cable shields as grounding conductors only if their conductivity is
sufficient.
• As the normal touch current of the inverter can be more than 3.5 mA AC or 10 mA DC,
use a fixed protective earth connection. Refer to standard IEC/EN 62109, 5.2.5. or
IEC62477-1, 4.4.4.3.3.
Electric welding
WARNING! Do not fasten the cabinet by electric welding. ABB does not assume
any liability for damages caused by electric welding as the welding circuit can
damage electronic circuits in the cabinet.
12 Safety instructions
Performing electrical work
These precautions are for all personnel who do work on the inverter, its input and output
cables, the transformer or the photovoltaic generator system.
WARNING! Obey these instructions to prevent injury or death, or damage to the
equipment. You must be a qualified electrician to do installation and service work.
Do these steps before you do installation or maintenance work on the inverter
1. Clearly identify the work location. Make sure that there is an escape route available in
case of an emergency.
2. Disconnect and isolate. (Not all disconnectors provide sufficient isolation against
voltage surges.)
• Disconnect the inverter from the AC supply (normally a disconnector or a breaker
on the HV side of the main transformer), because the AC disconnector or breaker
of the converter does not remove the voltage from the AC output busbars of the
inverter.
• Disconnect the inverter from the DC power supply (usually the DC circuit breakers
of the solar array junction boxes or the DC combiner box) because the optional
DC disconnectors do not remove the voltage from the inverter input DC busbars or
fuses.
• Open the AC main disconnection devices (AC breaker or AC switch disconnector)
of the inverter (Q2), the DC disconnector of the inverter (Q1), the auxiliary power
disconnectors of all the power sections (Q10), the optional 3-phase output switch
(F13). If the inverter is supplied from an external auxiliary power, disconnect also
that. For auxiliary power switches, note the following disconnection order:
a. Internal power supply (auxiliary power from main circuit) - open Q30
b. External power supply 400 VAC - open Q10 (auxiliary power circuit) - open Q30
(BAMU)
c. External power supply, not 400 VAC - open F12 (auxiliary power supply) - open
Q30 (BAMU).
• Make sure that reconnection is not possible. Lock all of the disconnectors in the
open position and attach a warning notice to them.
• After you disconnect the inverter, wait for at least 5 minutes to let the intermediate
circuit capacitors discharge before you continue.
3. Protect any other energized parts in the work location against contact.
4. Take special precautions when you do work near bare conductors.
5. Measure that the installation is not energized.
• Make sure that the voltage measurement device works correctly by testing the
measurement device with a live voltage.
• Use a voltage measurement device such as a multimeter with an impedance of at
least 1 M and voltage measurement range up to 1000 V DC.
• Make sure that the voltage between the inverter AC output terminals (L1, L2, L3)
and the grounding (PE) busbar is close to 0 V.
• Make sure that the voltage between the inverter module UDC+ and UDC-
terminals and the grounding (PE) busbar is close to 0 V.
• Make sure that the voltage between the DC input terminals DC+ and DC- and the
grounding (PE) busbar is close to 0 V.
Safety instructions 13
6. Install temporary grounding as required by the local regulations. Connect the AC and
DC busbars (in both DC sections) to the PE with a temporary grounding tool.
Temporary grounding cables must be dimensioned to withstand the prospective
current of the system for time duration until upstream protection device clears the fault
current. The temporary grounding cables should be tied tightly to the busbars or the
frame of the converter as the forces of the short circuit current can cause the
temporary grounding cables to move hazardously.
7. Ask the person in control of the electrical installation work for a permit to work.
8. After you finish the work, make sure that the inverter is clean from inside and that all
the tools have been removed from inside the inverter, remove the temporary
grounding and tell the person responsible for work about the completed works. After
you make sure that the voltage can be connected, close all the doors of the inverter,
and close the disconnectors. When connecting voltage back on, do not stand right
next to the inverter. Also make sure that there is an escape route available in case of
an emergency.
14 Safety instructions
General safety
These instructions are for all personnel who install the inverter and do maintenance work
on it.
WARNING! Obey these instructions to prevent injury or death, or damage to the
equipment.
• Move the inverter power module carefully:
• Use safety shoes with a metal toe cap and protective gloves.
• Use caution when you move an inverter power module. Do not tilt the module. The
module is heavy. It can topple over if you handle it carelessly.
• Obey the instructions in the PVS800-57B central inverters commissioning and
maintenance manual (3AXD50000048331 [EN]).
• Be aware of hot surfaces. Some parts in the inverter cabinet, such as the heat
exchangers are hot after you disconnect the electrical supply.
• Make sure that the debris from the installation work does not go into the inverter
Electrically conductive debris in the unit can cause damage.
Printed circuit boards
WARNING! Use a grounding wristband when you handle the printed circuit
boards. Do not touch the boards unnecessarily. The boards have components
that are sensitive to electrostatic discharge.
Fiber optic cables
WARNING! Obey these instructions to prevent injury or death, or damage to the
equipment.
• Handle the fiber optic cables with care.
• When you disconnect the cables, hold the connector, not the cable.
• Do not touch the ends of the fibers with bare hands as the ends are extremely
sensitive to dirt.
• Do not bend the fiber optic cables too tightly. The minimum permitted bend
radius is 35 mm (1.4 in.).
Safety instructions 15
Safe start-up and operation
These warnings are for all personnel who commission, plan the operation or operate the
inverterconverter.
WARNING! Obey these instructions to prevent injury or death, or damage to the
equipment.
• Keep all doors of the inverter closed when it operates.
• Connect the medium voltage grid to the main transformer.
• Before you start the inverter, close the AC and DC disconnectors (if present), and the
internal auxiliary transformer fuse switch F10.
• AC Q2 and DC Q1. Note the point on page 12 about auxiliary power supply.
• When the inverter operates, do not open the AC or DC disconnectors.
• Before you adjust the inverter and put it into service, make sure that all of the
equipment is suitable for operation.
• The maximum allowed number of power-ups by applying power is five in ten minutes.
• Do not use the inverter in a manner not specified in this manual.
Note:
• If the Start switch is in the ON position, the Inverter enable signal is active, and the
Start command is active, the inverterconverter starts immediately after a fault reset.
For more information, see the PVS800-57B central inverters Firmware manual.
16 Safety instructions
Introduction to the manual 17
2
Introduction to the manual
Contents of this chapter
This chapter describes the intended audience and contents of the manual. It has a
flowchart of the steps to examine the delivery, and install and commission the inverter. The
flowchart refers to sections in this manual and in other manuals.
Applicability
This manual is applicable to PVS800-57B central inverters.
Target audience
This manual is intended for persons who plan the installation of, install, commission, use
and service the inverter. Read the manual before you do work on the inverter. You are
expected to know the fundamentals of electricity, wiring, electrical components and
electrical schematic symbols.
18 Introduction to the manual
Contents of the manual
Safety instructions – Safety instructions for the installation, commissioning, operation and
maintenance of the inverter.
Introduction to the manual – Introduction to the manual.
Storing, lifting and transporting – How to store, lift and move the inverter.
Mechanical installation – The mechanical installation of the inverter.
Electrical installation – The electrical installation of the inverter.
Installation checklist – A list to check the mechanical and electrical installation of the
inverter.
Start-up and operation – The start-up procedure and the operation of the inverter.
Hardware status – The fault tracing possibilities of the inverter.
Maintenance – The preventive maintenance instructions of the inverter.
Related documents
Refer to the inner front cover.
Categorization by frame size and option code
Instructions, technical data, dimensions and weights which concern a certain inverter
frame sizes are marked with the frame size (n x R8i). To identify your unit, refer to the type
desgination labels.
The instructions and technical data which concern optional components are marked with
option codes, for example, +K475. The options included in the inverter can be identified
from the type designation label.
For information on the type designation labels, refer to the PVS800-57B central inverters
hardware manual (3AXD50000048300 [EN]).
Introduction to the manual 19
Quick installation, commissioning and operation
flowchart
Task Refer to
Plan the installation.
Do a check of the ambient conditions, ratings, required
cooling air flow, input and output power connection,
compatibility with the solar generator and other technical
data.
Select the cables.
Technical data and Planning the electrical
installation in the PVS800-57B central inverters
hardware manual (3AXD50000048300 [EN])
Option manual (if optional equipment is included)
Unpack and examine the units for damage.
Make sure that all of the optional modules and
equipment are present and correct.
Storing, lifting and transporting (page 23).
Examine the installation site. Examining the installation site (page 30)
Route the cables. Routing the cables (page 40)
Install the inverter. Connect the power cables.
Connect the control and the auxiliary control cables.
Mechanical installation (page 29)
Electrical installation (page 39)
Make sure that the installation is correct. Installation checklist (page 51)
20 Introduction to the manual
Terms and abbreviations
Term/Abbreviation Explanation
AC500 ABB programmable logic controller (PLC) series
ACS-AP-I Control panel type
BAMU Auxiliary measuring unit
BCU Control unit
BINT Power module interface board
CPU Central processing unit
CS Control section
DC input Connection point from solar array to inverter. One input consists of one positive and
one negative terminal.
DDCS Distributed drives communication system; a protocol used in optical fiber
communication inside and between ABB drives and inverters.
EMC Electromagnetic compatibility
FENA Optional Ethernet adapter module for EtherNet/IP, Modbus TCP and PROFINET IO
protocols
Frame (size) Relates to the construction type of the component in question. The term is often
used in reference to a group of components that share a similar mechanical
construction.
FSCA Optional Modbus RTU adapter module
HMI Human-machine interface
IGBT Insulated gate bipolar transistor; a voltage-controlled semiconductor type widely
used in inverters due to its easy controllability and high switching frequency.
Inverter A cabinet-built device containing all inverter modules together with their control
electronics, and I/O and auxiliary components. The inverter module converts the DC
voltage to AC voltage. Its operation is controlled by switching the IGBTs.
I/O Input/Output
MCB Miniature/Main circuit breaker
MGND Solar array and grounding monitoring board
MIRU Solar array insulation resistance measuring unit
MPPT Maximum power point tracking. Inverter software function that automatically
operates the photovoltaic generator at its maximum power point.
Photovoltaic cell,
generator, module,
string, array and
array junction box
In this manual, solar power system components based on photovoltaic effect are
called solar cell, solar module, solar array, solar string and solar array junction box
as defined below.
PLC Programmable logic controller
PSL2 Protocol used in optical fiber communication inside ABB drives and inverters
PV Photovoltaic
R8i Inverter power module
RCD Residual current device
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