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PVI 2300
User Manual
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Trannergy PVI 1800, PVI 2300, PVI 4000, PVI 4600, PVI 5400TL User Manual

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PVI 1800 / 2300 / 3200 / 4000 / 4600 / 5400TL
User Manual
Contents
Copyright Declaration ............................................................................................................... 3
1. Introduction ........................................................................................................................... 4
1.1. Introduction .................................................................................................................... 4
1.3. Applied Designations (Warning, Caution, Note) ........................................................... 4
1.5. General Safety Rules for Working on Electrical Equipment.......................................... 5
1.7. DC-switch....................................................................................................................... 7
2. Technical Description of Inverters ........................................................................................ 8
2.1. Mechanical design .......................................................................................................... 8
3. Operation Mode Definition ................................................................................................. 11
3.2. Connecting mode.......................................................................................................... 11
4. Installation and startup ........................................................................................................ 13
4.2.1. PVI1800TL/PVI2300TL ....................................................................................... 16
4.2.2. PVI3200/4000/4600/5400TL ................................................................................ 18
4.3. Electrical connection .................................................................................................... 21
4.4. Run the inverter ............................................................................................................ 27
5. Human Machine Interface ................................................................................................... 28
5.2. LCD Functions ............................................................................................................. 29
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6. Communication and Monitoring ......................................................................................... 32
6.2.1. RS-232 Communication for single inverter type................................................... 32
6.2.2. RS-485 Communication for Several inverters....................................................... 33
6.2.3. Wireless ................................................................................................................. 34
6.3. Monitoring.................................................................................................................... 34
7. Service and repair ................................................................................................................ 35
7.1. Safety during service and repair ................................................................................... 35
7.2. Troubleshooting............................................................................................................ 35
8. Technique specification....................................................................................................... 37
8.1. Electrical Specification................................................................................................. 37
8.1.1. Input Specification................................................................................................. 37
8.1.2. Output Specification.............................................................................................. 37
8.1.3. General Data.......................................................................................................... 38
9. Qualification........................................................................................................................ 39
10. Contact Information .......................................................................................................... 40
Appendix A: FAQ (Frequently asked questions) .................................................................... 41
Appendix B: Abbreviation ...................................................................................................... 42
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Copyright Declaration
The copyright of this manual belongs to Shanghai Trannergy Power Electronics Co., Ltd. Any corporation or individual should not plagiarize, partially copy or fully copy it (including software, etc.), and no reproduction or distribution of it in any form or by any means. All rights reserved. Shanghai Trannergy reserves the right of final interpretation. This manual is subject to change according to user’s or customer’s feedback. Please check latest version at: http://www.trannergy.com.
1. Introduction
1.1. Introduction
This manual describes Trannergy solar inverters PVI1800TL ， PVI2300TL, PVI3200TL, PVI4000TL, PVI4600TL and PVI5400TL. These products are among the most technologically advanced and efficient inverters on the market and are designed to ensure a stable power supply for many years.
The PVI inverter is a transformerless based inverter.
1.2. How to Use this manual
Please read the safety instructions in this manual first. Throughout the manual it is assumed that the reader is familiar with AC and DC installations and knows the rules and regulations for electrical equipment and for connecting it to the utility AC grid. It is especially important to be familiar with the general safety rules for working with electrical equipment.
1.3. Applied Designations (Warning, Caution, Note)
Throughout the manual important information is shown at different levels depending on the character of the information, as shown here:
Safety information important for human safety. Violation of warnings may result in injury to persons or death.
Information important for the protection of property. Violation of this type of information may cause damage and loss of property.
Useful additional information or “Tips and Tricks" on specific subjects.
1.4. Important Safety Information
Read this before installing, operating or maintaining the inverter.
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Before installation:
Check for damage to inverter and packaging. If you are in doubt, please contact your supplier before installing the inverter. Check the voltages of the solar modules and make sure they are within the limits of the Trannergy inverter specifications before connecting them to the inverter.
Installation:
Only trained and authorized personnel familiar with local electrical codes may install the inverter. For optimum safety, please follow the steps described in this manual. Keep in mind that the inverter has two voltage carrying sides, the PV input and the AC grid.
Disconnecting the inverter:
Always disconnect the AC line first! Afterwards disconnect the PV lines. Note that the inverter can still be charged with very high voltages at hazardous levels even when it is disconnected from grid/mains and solar modules. Wait at least 15 min. before proceeding, after having disconnected from grid and PV panels.
operating the inverter:
Before connecting the AC grid to the inverter, make sure that
the installation cover is mounted again. The inverter must not be open during operation.
Maintenance and modification:
Only authorized personnel are allowed to repair or modify the inverter. To ensure optimum safety for user and environment, only the original spare parts available from your supplier should be used.
Functional safety parameters:
Unauthorized changes of functional safety parameters may cause injury or accidents to people or inverter. Additionally it will lead to the cancelling of all inverter operating approval certificates. The Trannergy inverters in the PVI range are all designed according to the German VDE0126-1-1standard.
If non-original spare parts are used, the compliance with CE guidelines in respect of electrical safety, EMC and machine safety is not guaranteed.
1.5. General Safety Rules for Working on Electrical Equipment
All persons installing, maintaining or servicing inverters should be trained in and
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have experience with the general safety rules to be observed when working on electrical equipment.
Installation and service personnel should also be familiar with local requirements, rules and regulations as well as safety requirements.
To provide a general guideline for safety precautions, five well-known and widely accepted rules are repeated below. The list should by no means be considered as exhaustive.
The person performing work on electrical equipment is responsible for the safety of persons and property!
Disconnecting
Disconnect all cables supplying voltage to the working place before starting any work. Please note that a lack of voltage is no guarantee that disconnection has been performed.
Protecting against reconnection
Prevent the system from reconnecting by marking, closing or locking off the work area. Unintentional reconnection may result in severe accidents.
Checking that system is voltage free
Ascertain conclusively by means of a voltage tester that the system is voltage free. Check all terminals to ensure that the system is voltage free (on each individual conductor).
Covering adjacent voltage-carrying components and preventing persons from gaining access to them
Cover up all voltage-carrying system compon
ents that can harm you while working. Make sure that danger areas are clearly marked.
1.6. System Sizing
When dimensioning a photovoltaic system, it must be ensured that the open circuit voltage of the PV string never exceeds the maximum permissible input voltage of 600V DC. The PV string open circuit voltage during parallel string operation is 450V DC (PVI1800TL), 500V (PVI2300TL) and 550V (PVI3200TL/ PVI4000TL/PVI4600TL/PVI5400TL) respectively. Higher voltages may result in permanent damage to the inverter.
In Europe, the PV string open circuit voltage is normally calculated at a module temperature of M10NC or M20NC depending on the location.
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The selection of PV string output should be based on the optimum utilization of the invested capital compared to the expected annual energy yield from the system. This optimization depends on local weather conditions and should be considered in each individual case.
The inverter incorporates an input power limiting device, which automatically keeps the power at levels that are safe for the inverter. The limitation depends mainly on internal and ambient temperatures. The limitation is calculated continuously and always allows the maximum possible amount of energy to be produced.
Please use the tool supplied by Trannergy when dimensioning a photovoltaic system.
1.7. DC-switch
On1y trained and authorized personnel familiar with local electrical codes may perform service or maintenance on the inverter. Before opening the inverter:
1) Disconnect AC grid.
2) Disconnect DC power.
3) Remove both AC and DC 1ines.
1) To switch OFF all power supply from the PV panels turn the DC-switch to OFF (O).
2) To switch ON power supply from the PV panel turn the DC-switch to ON (I).
To ensure the functiona1ity of the DC-switch, a11 switches shou1d be switched on and off (by turning the switch to on and off positions ten times) once a year, to c1ean the contacts.
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2. Technical Description of Inverters
2.1. Mechanical design
Figure 2-1 shows the outline dimensions of PVI1800TL&PVI2300TL:
Figure 2-1 Outline dimensions of PVI1800TL&PVI2300TL
Figure 2-2 shows the outline dimensions of PVI3200TL, PVI4000TL, PVI4600TL and PVI5400TL:
Figure 2-2 Outline dimensions of PVI3200/4000/4600/5400TL
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Note: The AC output terminal is most length part at the bottom of inverter, so take care of the AC output terminals, do not make it stand on the ground or other materials while moving or lifting the inverters otherwise will make terminal damaged.
2.2. Electrical system design
Figure 2-3 shows the wiring diagram of the whole PVI1800/2300/3200/4000TL/ 4600/5400TL systems.
EMCA
DC EMI/EMC Filter
L N PE
30Vac
Grid
PV1+ PV1- PV2- PV2+
125-550Vdc
Solar Array
DC Circuit Breaker
AC Circuit Breaker
LB1
3IL1IL2BL
Inductors Box
PSDA
INVERTER
N
R
N
PV1+ PV2+
+2VP+1VP
PV2-PV1-
BOOST1 & 2
Communication
COMA
RS232/485
LCD&indicator
HMI
PC
Detection/Control
/Protection
CNTA
Relay Control by Master DSP
Relay Control by Slave DSP
AC EMI/EMC Filter & GFCI
F1 F2 F3
Shanghai Trannergy Power Electronics Co.,Ltd.
H6
Figure 2-3 wiring diagram
of the whole PVI1800/2300/3200/4000/4600/5400TL system
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We recommend a 32A DC Breaker located at the input of the DC input, and a 32A AC Breaker located at the output of the AC part.
Notes:
When choose the breaker, please call your installer for technique support
For the input and output wire selection, we recommend UL1015 wire, please see the following table.
Model PVI1800TL PVI2300TL PVI3200TL PVI4000TL PVI4600TL PVI5400TL
DC input 14AWG 14AWG 14AWG 12AWG 12AWG 12AWG
AC output 14AWG 14AWG 14AWG 12AWG 12AWG 12AWG
Notes:
Before install the inverter, please firstly check the polarity of the PV side, and a wrong polarity to the inverter may lead to a permanent damage
The above recommended wire already consider the maximum work current and degrading
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3. Operation Mode Definition
The inverter has four standard operation modes.
3.1. Waiting mode
In waiting mode, the inverter is ready to switch into connecting mode. As decision variable the input voltage of the PV generator is used. Inverter is waiting to checking when output DC voltage from PV panels is greater than 100V (lowest start-up voltage) but less than 150V (lowest operating voltage). If the input voltage exceeds 150V, the inverter shifts from "standby" to "connecting", or continues into the operation model OFF" if the PV voltage drops.
3.2. Connecting mode
After performing the system tests, which check whether all connection conditions are met, the inverter goes from waiting mode to connecting mode. During the specified cut-in time, the inverter continues testing the system values and connects the inverter to the grid if the system tests are okay. The minimum cut-in time is specified by the supplier and authorities and can vary from region to region.
3.3. Normal mode
In this mode, the inverter is connected to the grid and supplies power to the grid. Inverter begins to operate normally with green light on. Meanwhile, feedback energy to grid, LCD displays present output power, and inverter will stop feedbacks power to grid when PV power is not enough. The inverter is only disconnected from the grid in case of abnormal grid conditions or when PV power is not available.
3.4. Fault mode
If the red LED on the front panel light up, the inverter enters the fault mode. The following solutions for trouble shooting are recommended:
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LCD display Possible actions
Resumable Fault
Isolation Fault 1. Check the impedance between PV (+)&PV(-)
and the inverter is earthed. The impedance must be greater than 2MΩ
2. Check whether the AC end has contacted with earth
Ground Fault 1. The ground current is too high
2. After cutting off the AC end connection, unplug the inputs from the PV generator and check the peripheral AC system.
3. After the cause is cleared, re-plug the PV generator and AC connection, and check PV-Inverter status.
Grid Fault Fac Over Range Vac Over Range
1. Wait for a moment, if the grid returns to normal, PV-Inverter automatically restarts.
2. Make sure grid voltage and frequency meet the specifications.
Utility Loss 1. Grid is not connected.
2. Check grid connection cables.
3. Check grid usability.
4. If grid is ok, the problem persists, maybe the fuse in the inverter is open, please call the service.
Over Temperature
1. The internal temperature is higher than specified normal value.
2. Find a way to reduce the ambient temperature or move the inverter to cooler environment.
PV over voltage 1. Check the open circuit voltage of the PV
generator, see if it is greater than or too close to 450VDC (for PVI1500TL) or 500VDC (for PVI2000TL)
2. If PV voltage is less than 450VDC or 500VDC, and the problem still occurs, please call the service.
Permanent Fault
Consistent Fault Disconnect PV (+) or PV(-) from the input,
restart the inverter.
Relay-Check Fail
1. Disconnect all PV (+) or PV (-)
2. Wait for a few seconds.
3. After the LCD switches off, reconnect and check again.
4. If the problems remain, please call the service.
DC INJ High EEPROM R/W Fail SCI Failure AC HCT Fault GFCI Failure
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