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User Manual of String Inverter

30

5.2 Troubleshooting

Boost side

Fault

word

ID

Fault/alarm name

Cause of failure/alarm

Troubleshooting

Fault

word 1

0

Auxiliary power

supply overvoltage

12V below or above

auxiliary power supply is too

high

1. Reset and check if the converter

works normally.
2. If it appears frequently, please contact

Hopewind technical staff.

1

Auxiliary power

supply under voltage

12V below or above

auxiliary power supply is too

low

1. Reset and check if the converter

works normally.
2. If it appears frequently, please contact

Hopewind technical staff.

2

Output hardware

overvoltage

The output voltage exceeds

the protection point set by

the hardware.

1. Reset and check if the converter

works normally.
2. If it appears frequently, please contact

Hopewind technical staff.

3

Hardware

overcurrent (level 2)

Unit inductor current is too

large.

1. Reset and check if the converter

works normally.
2. If it appears frequently, please contact

Hopewind technical staff.

4

Unit 1 hardware

overcurrent

Unit 1 overcurrent and

reached the hardware

wave-by-wave current limit

time.

1. Reset and check if the converter

works normally.
2. If it appears frequently, please contact

Hopewind technical staff.

5

Unit 2 hardware

overcurrent

Unit 2 overcurrent and

reached the hardware

wave-by-wave current limit

time.

1. Reset and check if the converter

works normally.
2. If it appears frequently, please contact

Hopewind technical staff.

6

Unit 3 hardware

overcurrent

Unit 3 overcurrent and

reached the hardware

wave-by-wave current limit

time.

1. Reset and check if the converter

works normally.
2. If it appears frequently, please contact

Hopewind technical staff.

7

Unit 4 hardware

overcurrent

Unit 4 overcurrent and

reached the hardware

wave-by-wave current limit

time.

1. Reset and check if the converter

works normally.
2. If it appears frequently, please contact

Hopewind technical staff.

Fault

word 2

2

EEPROM

parameters back to

default value

EEPROM read and write

errors.

Reset or power-off processing.

3

History failure

storage failure

History failure storage

failure.

Reset or power-off processing.

12 Input polarity

reversed

Reverse input polarity.

Check if the connection is reversed.

13 Positive bus bar

insulation fault

Abnormal insulation

resistance of positive bus

bar to ground.

Check the positive bus for ground faults.

14 Negative bus bar

insulation fault

Abnormal insulation

resistance of negative bus

bar to ground.

Check the negative bus for ground

faults.

Alarm

word 1

0

SPD alarm

Feedback SPD failure of in

wrong state.

1. Reset and check if the converter

works normally.
2. If it appears frequently, please contact

Hopewind technical staff.

6

Open circuit warning

on boost side

Boost unit open circuited.

Please contact Hopewind technical staff.

7

Short circuit warning

Boost unit short circuited.

Please contact Hopewind technical staff.

Содержание hopeSun 10KTL

Страница 1: ......

Страница 2: ...ured by Shenzhen Hopewind Technology Co Ltd hereinafter referred to as Hopewind Hope our products and this manual can meet your demands Any suggestion for improvement shall be appreciated Shenzhen Hop...

Страница 3: ...daily maintenance methods maintenance intervals and troubleshooting of the product 6 Inverter handling Guide This chapter describes the basic requirements and precautions when disassembling replacing...

Страница 4: ...paration of installation tools 17 3 3 Installation environment requirements 17 3 4 Requirements for reserved space 18 3 5 Fixing method 19 3 6 Electrical connection 20 3 6 1 Cable requirements 20 3 6...

Страница 5: ...avoid strong shock or collision during the transportation 2 Please transport the inverter with package and operate in accordance with the signs and labels during the transportation Please refer to 2...

Страница 6: ...e and result in overheating 5 The terminal of the power cable connected with the inverter must comply with national standard as substandard terminal or disqualified construction may lead to overheatin...

Страница 7: ...elevant personals from entering maintenance scene during the maintenance 3 Please maintain the inverter under the condition of understanding this manual and being equipped with proper tools and test d...

Страница 8: ...top photovoltaic power stations 2 1 1 Schematic Diagram hopeSun 8KTL 10KTL 12KTL are connected to the inverter through 2 PV string inputs hopeSun 15KTL 17KTL are connected to the inverter through 3 PV...

Страница 9: ...r converts DC current of photovoltaic arrays into AC current and feeds it to the grid The inverter performs MPPT arithmetic and outputs the maximum power of photovoltaic arrays 2 The inverter will ent...

Страница 10: ...gn scheme of the l distributed PV power plant 2 2 2 Supported Grid Form hopeSun 8KTL hopeSun 33KTL support the TN S TN C TN C S TT IT systems in Figure 2 8 Figure 2 8 Schematic diagram of IT system 2...

Страница 11: ...User Manual of String Inverter 8 2 4 Nameplate label Note The data is for reference only please refer to the physical or technical agreement of the corresponding product for actual parameters...

Страница 12: ...left to right are described as follows Table 2 1 LED Indicator Description Indicator light Meaning Status Meaning PV and grid connection Blue indicator lights on DC voltage is more than 200V and grid...

Страница 13: ...iew of the inverter No Label Component Name 1 1 6 PV terminals 2 1 6 PV terminals 3 Anti backflow terminal 4 WiFi GPRS communication interface 5 AC OUTPUT AC terminal 6 Fan Figure 2 12 Bottom view of...

Страница 14: ...may be provided inside and outside the body of the string inverter to remind the user of the safety precautions during operation PE Here is the protective grounding terminal requires reliable groundin...

Страница 15: ...ut Current 12 7A 16 0A 19 1A 23 9A 27 0A Rated Grid Frequency 50Hz 60Hz Power Factor 0 8 Leading 0 8 Lagging THD 3 System parameters Max Efficiency 98 60 98 61 98 62 European Efficiency 98 30 AC DC SP...

Страница 16: ...A 39 7A 47 6A 52 4A Rated Grid Frequency 50Hz 60Hz Power Factor 0 8 Leading 0 8 Lagging THD 3 System parameters Max Efficiency 98 63 98 65 98 94 99 00 98 80 European efficiency 98 30 AC DC SPD Yes Ins...

Страница 17: ...ure below is 30KTL The inverter sizes of other models are similar only the sizes of AC protection shell may be different Figure 2 13 hopeSun series inverter and hanging board size left front back unit...

Страница 18: ...ate Shut down state Installation site Usually installed outdoors at the bottom of the photovoltaic module Do not install the inverter in areas where flammable and explosive substances are stored Avoid...

Страница 19: ...to the PV PV terminal on the string inverter MC4 Removal tool Remove MC4 terminal Wire stripper Stripping wire Multimeter Measure voltage to ensure safety during wiring and installation Safety protect...

Страница 20: ...dissipation and maintenance Figure 3 1 Installation space of string inverter When multiple string devices are installed on the same plane it is recommended to install in a straight line Figure 3 2 Ins...

Страница 21: ...up to 15 backward to facilitate heat dissipation Do not install the inverter at an angle tilt forward tilt backward 15 roll horizontally or upside down 5 If direct sunlight cannot be avoided please ad...

Страница 22: ...insulated and shielded both ends of the outermost shield are grounded one end of the inner shield is equipotential grounded b Single shielded twisted pair When the cable is single insulated and shiel...

Страница 23: ...When connecting the cable it is forbidden to operate in electricity and observe the relevant requirements in 1 Safety Precautions 2 Before connecting the cable please complete the following preparatio...

Страница 24: ...nected from the power grid And the circuit breaker specifications should meet the technical requirements It is forbidden for multiple inverters to share a circuit breaker It is forbidden to connect th...

Страница 25: ...3 System installation 23 Figure 3 9 Grounding of multiple string inverters...

Страница 26: ...matching resistance of the fourth pin of the inverter at the end and the first pin in the figure below And that will improve the quality of the communication There is no need to short circuit them in...

Страница 27: ...ge of each PV string cannot be greater than 1100VDC under any circumstances The maximum short circuit current of each PV string should not exceed 15A under any conditions Ensure that the polarity of t...

Страница 28: ...rt the positive and negative connectors into the positive and negative terminals of the DC input of the inverter until you hear a click indicating that the terminal is stuck in place Figure 3 16 Conne...

Страница 29: ...of the string inverter cabinet There is enough space around the string inverter to facilitate maintenance and heat dissipation No flammable or explosive items within 2 meters The cable marking is cle...

Страница 30: ...tically 4 3 Power off the system Matters needing attention After the inverter is powered off there will be residual power and residual heat in the chassis which may cause electric shock or burns Be su...

Страница 31: ...eriously Once every six months to one year System cleaning Whether there are foreign objects and dust on the surface of the inverter Remove foreign objects clean dust Whether the heat sink is blocked...

Страница 32: ...d check if the converter works normally 2 If it appears frequently please contact Hopewind technical staff 6 Unit 3 hardware overcurrent Unit 3 overcurrent and reached the hardware wave by wave curren...

Страница 33: ...Hopewind technical staff 2 EEPROM read and write fault 1 Reset and check if the converter works normally 2 If it appears frequently please contact Hopewind technical staff 3 FPGA version does not mat...

Страница 34: ...voltage of the CA line of the power grid exceeds the overvoltage point set by the system 1 Confirm whether the inverter s grid voltage sampling is normal and whether there is a fault such as a box tra...

Страница 35: ...staff 2 Module phase C software overcurrent The effective value of the inductor current exceeds the protection threshold 1 Reset and check if the converter works normally 2 If it appears frequently pl...

Страница 36: ...d technical staff 9 Low DC input voltage DC input voltage is lower than the set threshold Check if the switch is open Other 0 Grid connected relay fault Relay status is wrong 1 Reset and check if the...

Страница 37: ...eed to replace the new inverter just follow the operation sequence in chapters 3 and 4 6 3 Package the inverter If you still keep the original packaging of the inverter put it in the original packagin...

Страница 38: ...bnormal natural environment Machine damage caused by the use of non standard or non our company components or software The string inverter is damaged due to damage to external equipment Any accidental...

Страница 39: ......

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