Evolve EVVO 15 User Manual

String inverter

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EVVO

String Inverter

(15K,20K,25K,30K)

User Manual

Version: V1.2

Thank you for purchasing products developed and manufactured by EVOLVE ENERGY GROUP Co.,

Ltd. (hereinafter referred to as "EVOLVE ENERGY GROUP"). We hope our products and this manual

can meet your demands. Any suggestion for improvement shall be highly appreciated.

EVOLVE ENERGY GROUP Co., Ltd. reserves the copyright of this manual, and it shall be subject to

change without any further notice.

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Summary of Contents for Evolve EVVO 15

Page 1 Ltd. (hereinafter referred to as “EVOLVE ENERGY GROUP”). We hope our products and this manual can meet your demands. Any suggestion for improvement shall be highly appreciated. EVOLVE ENERGY GROUP Co., Ltd. reserves the copyright of this manual, and it shall be subject to change without any further notice.
Page 3 This manual is helpful for technicians who need to install, debug, operate and maintain the string inverter of EVOLVE ENERGY GROUP. Please read this manual carefully before operating the product. Readers are required to know some basic knowledge about electrical components, wiring, electrical symbols and mechanical drawings.
Page 5 Content 1 Safety Precautions··············································································· 1 1.1 Transport ····························································································· 1 1.2 Storage ······························································································· 1 1.3 Installation ··························································································· 2 1.4 Operating ···························································································· 2 1.5 Maintenance ························································································ 3 2 Product Description ············································································· 5 2.1 Product Introduction ··············································································· 5 2.1.1 Schematic Diagram ············································································· 5 2.1.2 Operation Mode ··················································································...
Page 6 6 Inverter Handling Guide ······································································ 35 6.1 Disassemble the Inverter ······································································· 35 6.2 Replace the Inverter ············································································· 35 6.3 Package the Inverter ············································································ 35 6.4 Scrap the Inverter ················································································ 35...
Page 7 Safety Precautions This chapter describes the safety precautions that must be observed when installing, operating and maintaining the inverter. Please read them carefully before operation and follow them in operation process; otherwise it might cause damage to the inverter, the generator and related equipment or cause serious injury or loss of life.
Page 8 User Manual ⚫ When storing equipment, pay attention to ventilation and moisture. Stagnant water is strictly forbidden in the storage environment. ⚫ Pay attention to the harsh environment, such as quenching, sudden heat, collision, dust, etc., to avoid damage to the string inverter. ⚫...
Page 9 1 Safety Precautions WARNING Power on the string inverter only after all installation work is completed and cables are connected correctly. It is prohibited to conduct any insulation resistance test or voltage withstand test on the string inverter. Wrong voltage withstand test will damage the string inverter. When conducting insulation withstand voltage test on external equipment of the string inverter, the wiring between the string inverter and the external equipment must be disconnected.
Page 11 2.1.1 Schematic Diagram EVVO 15 accesses 2 PV strings, EVVO 20/25 access 4 PV strings, and EVVO 30 accesses 6 PV strings. There are 2 MPPT circuits inside the inverter to track the MPPT of the strings, and then convert the DC power to three-phase AC power through the inverter circuit.
Page 12 User Manual Standby Mode Operation mode to standby mode: Standby mode to Insufficient sunshine or DC switch is shutdown mode: fault or disconnected shutdown command is detected Standby mode to operation mode: Shutdown mode to standby Abundant sunshine and no mode: fault is cleared or system faults startup command is detected...
Page 13 User load PV arrays Figure 2-6 Networking scheme of distributed PV power station 2.2.2 Supported Grid Form The power grid forms supported by EVVO 15, EVVO 20 EVVO 25 and EVVO 30 include TN-S, TN-C, TN-C-S, TT and IT. TN-C-S TN-C...
Page 14 User Manual 2.4 Nameplate Label  Note: The data is for reference only. For more details, please refer to the physical object or technical agreement of the corresponding product.
Page 15 2 Product Description 2.5 Inverter Configuration This section describes the internal components, back components and bottom interfaces of the string inverter. The bottom structure of different models may be different, and the model of 30K is taken as an example here. CAUTION There are components on the board that are very sensitive to static electricity.
Page 16 User Manual Red light solid Fault alarm Remarks: Slow blinking: 1 second on and 2 seconds off in cycles; Fast blinking: 0.5 seconds on and 0.5 seconds off in cycles. Label Device name Mounting rack DC Switch Figure 2-10 Back view of the inverter Label Device name 1+ ~ 6+...
Page 17 2 Product Description Figure 2-11 Bottom view of the inverter  Note: EVVO 15 has only 2 PV string inputs at the bottom, EVVO 20/25 have 4 inputs, and EVVO 30 has 6 inputs.
Page 18 User Manual 2.6 Labels on the Package On the outer packaging of the product, there are some labels to guide the user to transport and store the product. The meanings indicated by the labels are as follows: Handle with care. Avoid damage to the converter No stacking caused by intense collision and...
Page 19 2 Product Description 2.8 Technical Data Model EVVO 15 Maximum DC voltage 1100V Startup voltage 180V MPPT voltage range 200V~1000V MPPT full load working 450V~850V voltage range Maximum input current per DC parameters 26A/20A MPPT Maximum short current 39A/30A Maximum input path...
Page 20 User Manual Model EVVO 20 EVVO 25 EVVO 30 Maximum DC voltage 1100V Startup voltage 180V MPPT voltage range 200V~1000V MPPT full load working 425V~850V voltage range DC parameters Maximum input current per 30A/30A 40A/40A MPPT Maximum input path Number of MPPT Rated output power 20kW 25kW...
Page 21 2 Product Description 2.9 Mechanical Parameters ➢ Dimension and Weight Model W*H*D (mm) Net weight (kg) 380*400*247 ≤22 EVVO 15 ≤25 EVVO 20 380*450*247 EVVO 25 ≤30 EVVO 30 ≤35  Note: Dimension of the inverter here does not contain hangers, handles, pads and other components.
Page 22 User Manual 2.10 Ambient Requirements Transportation Requirements environment Type of shipping Waterways, railways, highways, aviation, etc. Ambient temperature -40℃~+70℃ ≤95% when the temperature is +40℃ Relative humidity The vibration should not exceed the following limits: 2Hz≤f<9Hz, displacement 7.5mm; Mechanical condition 9Hz≤f<200Hz, acceleration 20m/s 200Hz≤f<500Hz, acceleration 40m/s Storage environment...
Page 23 System Installation 3.1 Unpack and Inspect After confirming that the outer packaging is intact, please carry out the unpacking inspection. Unpack the packaging box and check whether the appearance of the string inverter is in good condition. When opening the package, please use tools carefully to avoid scratching the string inverter.
Page 24 User Manual 3.4 Reserved Space Requirement When installing the string inverter, suitable space must be reserved around it for heat dissipation and maintenance. ≥200mm ≥300mm Figure 3-1 Reserved space requirements If multiple inverters are installed at the same height, the side-by-side installation is recommended. ≥500mm ≥500mm Figure 3-2 Side-by-side installation space...
Page 25 3 System Installation 3.5 Installation Method WARNING Please refer to 1 Safety Precautions for precautions during inverter installation. For installation environment requirements, please refer to 3.3 Installation Environment Requirements. During installation, it must be confirmed that the site installation position can bear the total weight of the inverter and accessories to avoid falling during installation or use.
Page 26 User Manual 3.6 Electrical Connections 3.6.1 Cable Requirements The choice of cable should comply with relevant national standards and meet the load requirements. Power cable requirements Please refer to the electrical data of the product, and then comprehensively consider the ambient temperature, current, margin as well as other relevant factors to select the cable.
Page 27 3 System Installation Name Recommended Cable Specifications Recommended cross- Recommended cross- Model sectional area of the 4-core sectional area of the 4-core copper cable (S) aluminum cable AC side cable 15kW 10~16mm 20kW 16~25mm 25/30kW 25~50mm 35~50mm Recommended cross-sectional area of the cable: Products with power of15kW: not less than 16mm²...
Page 28 User Manual 3.6.5 Connect the PE Cable Please connect the inverter to the grounding bar through the PE cable to achieve the grounding protection. The PE mark is affixed to the PE terminal. The cross-sectional area of the PE cable is not less than 16mm (copper wire) and the bolt specification is M6.
Page 29 3 System Installation A B C N Figure 3-7 AC side cable connection 3.6.7 Connect the Communication Cable ➢ Selection of communication method The inverter supports anti-backflow interface and RS485 communication. ➢ Connecting the cables Connect RS485 cables Take out the anti-backflow communication terminal from the accessories and then insert the communication cable whose terminal has been crimped and reinforce them with bolts.
Page 30 User Manual WIFI communication module connection Connect the WIFI module configured in the delivery accessories to the 4-pin terminal of the inverter, and make sure that the connection is reliable. Wi-Fi interface Figure 3-10 Location of the Wi-Fi interface 3.6.8 Connect the DC Input Cable ...
Page 31 3 System Installation Ensure that the positive and negative poles of the input cable are determined and identified.  Note: Please do not judge the positive and negative poles according to the cable color in this manual. Be sure to take the actual measurement as the standard. Strip the wire with a wire stripper.
Page 32 User Manual CAUTION Please use the MC4 terminals configured in the delivery accessories of the inverter. Device damage due to incompatible MC4 terminals is not covered by the warranty. After the cable connection of the string inverter is completed, check if there is a gap at the cable gland. If there is, use fireproof mud to block the gap.
Page 33 Commissioning Guide 4.1 Check before Power On DANGER Before powering on the inverter, please read "1 Safety Precautions" carefully and do a detailed check ⚫ according to the table below. ⚫ Before operating or maintaining the internal metal parts, please use multimeter to measure their voltage to the enclosure (protective earthing) in order to avoid any danger.
Page 34 User Manual ⚫ When powering off the system, please follow the operation instructions and safety regulations in this chapter. Step 1: Issue the shutdown command to the inverter through the data collector or near-end APP software. Step 2: Disconnect the circuit breaker between the inverter and the power grid. Step 3: Set the DC SWITCH of the inverter to the “OFF”...
Page 35 Maintenance and Troubleshooting 5.1 Maintenance Items and Cycles DANGER Please read 1 Safety Precautions carefully before maintenance, and use a multimeter and other relevant instruments to detect the voltage between the metal parts that need to be or maybe touched and the grounding copper bars so as to avoid electric shock.
Page 36 Check whether the negative bus has negative bus to the resistance of the negative grounding fault ground bus to the ground Please contact the EVOLVE ENERGY Boost side alarm Boost unit open circuit GROUP technician. Boost side short Please contact the EVOLVE ENERGY...
Page 37 1. Check whether it can work normally after reset Check RAM chip read and RAM self test failed 2. If it occurs frequently, please write error contact the EVOLVE ENERGY GROUP technician 1. Check whether it can work normally Add EEPROM parameter list after reset EEPROM and upgrade the code again.
Page 38 PV string is too low. 1. Check whether it can work normally after reset Bus fault Bus operation short word Bus voltage sag exceeds limit 2. If it occurs frequently, please circuit status contact the EVOLVE ENERGY GROUP technician...
Page 39 Bus operation over The bus voltage exceeds the 2. If it occurs frequently, please voltage set threshold contact the EVOLVE ENERGY GROUP technician 1. Check whether it can work normally after reset Bus operation under The bus voltage is below the 2.
Page 41 When the service life of the inverter expires or the inverter is replaced due to failure, it can be disposed according to the applicable electrical waste disposal laws of the place where the inverter is installed, or it can be handed over to EVOLVE ENERGY GROUP customer service personnel.
Page 42 If you need to repair or modify this product, please contact our company in advance. Contact US EVOLVE ENERGY GROUP CO., LIMITED Address: RM 702, 7/F FU FAI COMM CTR 27 HILLIER ST SHEUNG WAN, HK...

This manual is also suitable for:

Evvo 20 Evvo 25 Evvo 30