Trannergy TRN010KTL User manual

User Manual

TRN010KTL/TRN012KTL/TRN015KTL/TRN017KTL

TRN020KTL/TRN023KTL/TRN025KTL

User Manual 1

Contents

1. Introduction ..............................................................................................................................................................4

1.1. Introduction .......................................................................................................................................................4

1.2. How to Use this manual.....................................................................................................................................4

1.3. Applied Designations (Warning, Caution, Note)...............................................................................................4

1.4. Important Safety Information............................................................................................................................4

1.5. General Safety Rules for Working on Electrical Equipment.............................................................................5

1.6. System Sizing....................................................................................................................................................6

2. Technical Description of Inverters ...........................................................................................................................7

2.1. Mechanical design.............................................................................................................................................7

2.2. Electrical system design ....................................................................................................................................8

2.3. The illustration of derating and limit the input power.......................................................................................8

3. Operation mode illustration of the inverter ..............................................................................................................9

3.1. Wait mode..........................................................................................................................................................9

3.2. Check mode.......................................................................................................................................................9

3.3. Normal mode.....................................................................................................................................................9

3.4. Fault mode.......................................................................................................................................................10

3.5. Flash mode.......................................................................................................................................................10

3.6. Shut down........................................................................................................................................................10

4. Installation and startup............................................................................................................................................11

4.1. Installation precaution .....................................................................................................................................11

4.2. Install steps......................................................................................................................................................11

4.3. Electrical connection .......................................................................................................................................13

4.3.1. Connection to the grid (AC output)..........................................................................................................13

4.3.2. Connection to PV generator (DC input)...................................................................................................14

4.4. Test run............................................................................................................................................................17

5. Human Machine Interface......................................................................................................................................18

5.1. Control and Display Panel...............................................................................................................................18

5.2. LED Display....................................................................................................................................................19

5.3. LCD Display....................................................................................................................................................20

5.4. Function Keys..................................................................................................................................................22

5.4.1. Configure..................................................................................................................................................22

2User Manual

5.4.2. Energy yield..............................................................................................................................................25

5.4.3. Inverter state .............................................................................................................................................25

5.4.4. Device Information...................................................................................................................................25

5.4.5. log Information.........................................................................................................................................26

5.5. Display of Fault...............................................................................................................................................26

6. Communication and Monitoring.............................................................................................................................27

6.1. Communication Interfaces...............................................................................................................................27

6.2. Communication ...............................................................................................................................................27

6.2.1. RS-232 Communication for Three inverter type......................................................................................27

6.2.2. RS-485/422 Communication....................................................................................................................28

6.2.3. WiFi/GPRS/Ethernet Communication......................................................................................................28

6.2.4. USB Communication................................................................................................................................29

6.3. Monitoring.......................................................................................................................................................29

7. Maintenance and Repair.........................................................................................................................................30

7.1 Routine maintenance ........................................................................................................................................30

7.2 Notes of maintain or service.............................................................................................................................30

7.3 Safety for maintain or service...........................................................................................................................30

8. Technical data.........................................................................................................................................................31

9. Warranty.................................................................................................................................................................33

9.1. Standard Warranty Period................................................................................................................................33

9.2. Extension of Warranty.....................................................................................................................................33

9.3. Liability Insurance...........................................................................................................................................33

9.4. Warranty Claim Procedure..............................................................................................................................33

9.5. Exclusion of Warranty Claims.........................................................................................................................34

9.6. Service after Warranty Expiration...................................................................................................................34

10. Contact Information..............................................................................................................................................35

Appendix A: FAQ (Frequently asked questions) .......................................................................................................36

Appendix B: Abbreviation..........................................................................................................................................37

User Manual 3

The copyright of this manual belongs to Trannergy Co., Ltd.. Any corporation or individual should

not plagiarize, partially copy or fully copy it (including software, etc.), and no reproduction or

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.

4User Manual

1. Introduction

1.1. Introduction

This manual describes Trannergy solar inverters TRN inverters. 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 TRN 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.

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 TRN 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.

User Manual 5

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 10 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 TRN range are all

designed according to international safety requirements.

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 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

6User Manual

conductor).

Covering adjacent voltage-carrying components and preventing persons from

gaining access to them

Cover up all voltage-

carrying system components 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

1000V DC. The PV string

open circuit voltage during parallel string operation is

910V. Higher voltages may result in permanent damage to the inverter.

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.

User Manual 7

2. Technical Description of Inverters

2.1. Mechanical design

Figure 2-1 shows the outline dimensions of TRN inverters

720

182

526

Figure 2-1 Outline dimensions of TRN inverters

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.

AC OUTPUT TERMINALS

RS232/485 TERMINALS

DC INPUT TERMINALS

DC SWITCH

Figure 2-2 Electrical Terminals of TRN inverters

For safety reasons, the use of a DC switch is recommended. Between the PV

modules and the power modules may be mandatory in some countries.

8User Manual

2.2. Electrical system design

Figure 2-3 wiring diagram of the whole system TRN inverters

Please refer to chapter 4 for the detail connecting and install methods.

2.3. The illustration of derating and limit the input power

To avoid inverter to be damaged by over temperature or over current.

Not output power when the temperature of power devices is over 85℃or the ambient

temperature is over 76℃.

Derate the output power linearly when the temperature of power devices is between 81-85℃or

the ambient temperature is between 70-76℃.

User Manual 9

3. Operation mode illustration of the inverter

Our inverter has five operation modes during the whole work process; they are wait, check, normal,

fault and flash modes. Its detail illustration is shown by Figure 3-1 below.

Shut Down

Wait Mode

Fault Mode

Flash Mode Normal Mode

Check Mode

Default:

Unrecoverable

Fault

Flash Event

Satisfy the power on condition

Have warning code

Flash Event

Check no errors

Have Fault event

Have warning events

or power off cmd

Have Fault event

Recoberable fault cleared in 5s

Vpv<230Vdc

Figure 3-1 State Machine of Inverter working mode

3.1. Wait mode

When the input power by solar panel is not enough to let the power module work, it is at waiting

mode. The inverter will wait until the input voltage is above 300Vdc and below 910Vdc, it turn to

check mode.

3.2. Check mode

When the inverter is power on, it will check isolation, HCT device, GFCI device, relay, fan, and soft

start automatically in order. This can guarantee the inverter work normally and turn to normal

operation mode.

3.3. Normal mode

When the conditions above are satisfied, inverter will let the BOOST and inverter module work and

turn to normal generating power mode. It will change the solar energy into electrical energy and fed

it into grid based on advanced MPPT technology in order to absorb solar energy in maximum extent

possible. It will also calculate the generated energy per day/per month/per year automatically, save

the number in EEPROM and the number can be read from the HMI.

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