Njoy Astris 3K/1P1T1 Installation Manual
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Njoy Astris 3K/1P1T1 Installation Manual

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Installation Manual
Astris 3K/5K/6K
(Hardware)
SIN110030001ATCU0B - Astris 3K/1P1T1
Manual de instalare
(Hardware)
SIN110030001ATCU1B - Astris 3K/1P1T1
SIN120040002ATCU0B - Astris 4K/1P2T2
SIN120050002ATCU0B - Astris 5K/1P2T2
SIN120060002ATCU0B - Astris 6K/1P2T2
316.06.23.0
Before using this product, carefully read all product documentation and retain it for future reference.

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Summary of Contents for Njoy Astris 3K/1P1T1

  • Page 1 Installation Manual Astris 3K/5K/6K (Hardware) SIN110030001ATCU0B - Astris 3K/1P1T1 Manual de instalare (Hardware) SIN110030001ATCU1B - Astris 3K/1P1T1 SIN120040002ATCU0B - Astris 4K/1P2T2 SIN120050002ATCU0B - Astris 5K/1P2T2 SIN120060002ATCU0B - Astris 6K/1P2T2 316.06.23.0 Before using this product, carefully read all product documentation and retain it for future reference.

  • Page 2: Table Of Contents

    Contents Safety 1.1 Personnel Safety 1.2 PV Inverter Protection 1.3 Installation Safety 1.4 Electrical Connections 1.5 Operating and Commissioning 1.6 Maintenance 1.7 Additional Information Overview of the Inverter 2.1 Functional Models 2.2 Network Application 2.3 Outline and Dimensions 2.4 Working Process 2.5 Working Modes Storage Installation...
  • Page 3 Maintenance 8.1 Routine Maintenance 8.2 Inverter Troubleshooting 8.3 Removing the Inverter Disposal of the Inverter...
  • Page 4 Forward Please read this manual before using the product. This user manual introduces the inverter in terms of its installation, electrical connections, operation, commissioning, maintenance, and troubleshooting. Please read through the manual carefully before installing and using the inverter, and keep the manual well for future reference.

  • Page 5: Safety

    SymbolConventions Safety symbols used in this manual, which highlight potential safety risks and important safety information, are listed as follows: Symbol Description Indicates an imminently hazardous situation which, if not DANGER correctly followed, will result in serious injury or death. Indicates a potentially hazardous situation which, if not WARNING correctly followed, could result in serious injury or death.

  • Page 6: Pv Inverter Protection

    1.2PVInverterProtection NOTE! As soon as receiving the PV inverter, please check if it is damaged during its transportation. If yes, please contact your dealer immediately. a. Do not tamper with any warning signs on the inverter enclosure because these signs contain important information about safe operation. b.

  • Page 7: Operating And Commissioning

    d. Cables used in electrical connections must be well fixed, good insulation, and with appropriate specification. 1.5OperatingandCommissioning DANGER While the inverter operating, high voltage can lead to an electrical shock hazard, and even cause personal casualties. Therefore, operate the PV inverter strictly according to the safety precautions in the user manual.

  • Page 8: Additional Information

    b. Place temporary warning signs or erect fences to prevent unauthorized access to the maintenance site. c. Follow the procedures of maintenance stipulated in the manual strictly. d. Check the relevant safety and performance of the inverter; rectify any faults that may compromise the inverter security performance before restarting the inverter.

  • Page 9: Network Application

    2.1.2ModelDescription Figure 2.1 shows a model number of the inverter, using 3K and 5K/6K as an example. Astris 5K Figure 2.1 Model number descriptions 2.2NetworkApplication 2.2.1Grid-tiedPVPowerSystems The series applies to grid-tied PV power systems for outdoor power stations. Typically, a grid-tied PV power system consists of PV modules, grid-tied inverters, AC distribution units, and low-voltage power grid, as shown in Figure 2.2.
  • Page 10 Figure 2.4 - 5K/6K PV Inverter with Dual MPPT Input (unit: mm) Figure 2.5 The front view and amplification effect of LED indicator area 3K PV Inverter with Single MPPT Input 5K/6K PV Inverter with Dual MPPT Input Figure2.6 The rear view of this series of inverter...

  • Page 11: Working Process

    1. PV input connectors 5. External protect 2. COM2(RS-485/meter/CT/DI) 6. Vent valve 3. COM1(WIFI/GPRS/Ethernet/ RS-485) 7. DC isola 4. AC output connector 5K/6K Figure 2.7 The bottom view of this series of inverter 2.4 Working Process 2.4.1BasicprincipleDescription The 5K/6K PV Inverter with Dual MPPT Input receives input from two strings of PV panel (3K PV Inverter with Single MPPT Input receives input from only one string of PV panel).

  • Page 12: Working Modes

    Figure 2.9 shows the circuit diagram for the 5K/6K Inverter with Dual MPPT Input: Figure2.9circuit diagram 2.5 Working Modes Three working modes of the inverter are shown as follows: standby, operating, and shutdown. Table 2.1 shows the conditions for the inverter to switch between working modes.

  • Page 13: Storage

    NOTE! instructions: if the equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment may be impaired. Storage This chapter describes the storage requirements for the inverter. The following storage instructions apply if the PV inverter will not be deployed immediately: >...

  • Page 14: Installation

    Installation DANGER Do not install the inverter on flammable building materials or in an area where flammable or explosive materials are stored. CAUTION Do not install the inverter in a place where personnel are likely to come into contact with its enclosure and heat sinks to avoid electrical shock/burn.

  • Page 15: Moving The Inverter

    NOTE! If any damage mentioned above is found, contact the dealer immediately. NOTE! PV modules for non-isolated inverters. Non-isolated inverters shall be provided with installation instructions that require PV modules that have an IEC 61730 Class A rating. If the maximum AC mains operating voltage is higher than the PV array maximum system voltage then the instructions shall require PV modules that have a maximum system voltage rating based upon the AC mains voltage.

  • Page 16: Installation Requirements

    4.3.2ComplianceandSafetySymbols Safety symbol Description Electrical shock! There are residual voltages in the PV inverter. It needs 5 minutes to finish discharge. 5 mins The PV inverter must not be touched when in operation. Its enclosure and heat sinks are extremely hot. Electrical shock! This part is charged.
  • Page 17 InstallationEnvironmentRequirements a. The ambient temperature must be below 50°C to ensure the inverter’s optimal operation and extend its service life. b. The inverter must be installed in a well ventilated environment to ensure good heat dissipation. c. The inverter must be free from direct exposure to sunlight, rain, and snow to extend its service life.
  • Page 18 Figures 4.4 Installation Space Requirements (unit: mm) c. When installing multiple inverter, install them along the same line (as shown in Figure 4.5) if sufficient space is available, and install them in triangle mode (as shown in Figure4.6) or in stacked mode (as shown in Figure 4.7) if no sufficient space is available.
  • Page 19 Figure4.6 Installation in triangle mode (unit: mm) Figure 4.7 Installation in stacked mode (unit: mm) NOTE! The clearance between multiple inverters must be increased to ensure proper heat dissipation when they are installed in a hot area.

  • Page 20: Installing A Rear Panel

    4.4.2InstallationModeRequirements Install the inverter upright or at a maximum back tilt of 15 degrees to facilitate heat dissipation. Some correct / wrong installation modes are shown in Figures4.8&4.9 below. Figures 4.8 The correct installation mode Figures4.9 The wrong installation modes NOTE! The wrong installation will lead to failure of the inverter operation.
  • Page 21 5K/6K Figure 4.10 Determine the positions for drilling holes (unit: mm) Step 3 Level the hole positions using a level gauge, and mark the hole positions using a marker (as shown in Figure 4.11). Figure 4.11 mark the hole positions using a marker Step 4 Drill holes using a hammer drill and install expansion bolts, as shown in Figure 4.12.
  • Page 22 a. Drill a hole in a marked position to a depth of 60 mm using a hammer drill with a Ф10mm bit. b. Partially tighten an expansion bolt, vertically insert it into the hole, and knock the expansion bolt completely into the hole using a rubber mallet. Figure 4.12 Punch holes and install expansion (uint: mm) Step 5 Align the rear panel with the holes, insert expansion bolts into the holes through the real panel, and tighten the expansion bolts to a torque...

  • Page 23: Installing The Inverter

    4.6Installingtheinverter Follow below procedures: Step 1 Hold the handles at both sides of the inverter and then lift and stand the inverter. Step 2 Mount the inverter on the rear panel and keep them aligned with each other, as shown in Figure 4.14. Step3 Tighten the two hexagon screws at the both sides of the inverter to a torque of 1.2N.m and 3N·m respectively.

  • Page 24: ElectricalConnections

    ElectricalConnections DANGER Before performing any electrical connections, ensure that both DC and AC Switches are OFF. Otherwise, fatal injury can occur due to the high voltage caused from AC and DC cables. 5.1ConnectingProtectionGround(PGND)Cables 5.1.1Preparation The ground cable and OT terminals have been prepared. a.
  • Page 25 5.1.2 Wiring Procedures Step 1 Remove an appropriate length of the insulation layer from the PGND cable using a wire Stripper; the length is a little bit longer than that of OT terminal’s crimping end by 2mm~3mm, as shown in Figure 5.1. Figure 5.1 Stripped length (unit: mm) Step 2 Insert the exposed core wires into the crimping areas of the OT terminal and crimp them using hydraulic pliers, as shown in Figure 5.2.

  • Page 26: Connecting Ac Output Cables

    Step 4 Secure the PGND cable (done by step 1 & 2) using the ground screw and tighten the screw using a socket wrench (torque 1.2 N·m),as shown in Figure 5.4. Figure 5.4 Secure the PGND cable 5.2ConnectingACOutputCables 5.2.1Preparation The AC power cable and AC terminals have been prepared. a.
  • Page 27 WARNING An independent circuit breaker must be installed on the AC side of each inverter to ensure that the inverter can be safely disconnected from the power grid. WARNING Do not connect loads between the AC output terminals of the inverter and circuit breaker.
  • Page 28 NOTE! Ground, neutral, and line wires must correspond to G, N, and L terminals of AC connectors respectively. Otherwise, the faulty connection will lead to the inverter performance failure.

  • Page 29: Connecting The Pv Strings

    Step 5 After the AC terminal is connected, Install protection sleeve (optional) as shown in picture number 5 below. 5.3ConnectingthePVStrings DANGER PV Strings connection requires the following prerequisites; otherwise, an electrical shock can occur. PV modules generate electric energy when exposed to sunlight and can create an electrical shock hazard.
  • Page 30 WARNING Grounding of the PV Strings requires the following prerequisites; otherwise, a fire can occur. PV modules connected in series in each PV string must be of the same specifications. The maximum open-circuit voltage of each PV string must be always lower than or equal to its permitted range.
  • Page 31 Connectors of PV Strings: Positive and negative DC input connectors are used, as shown in Figure 5.8 and Figure5.9. Figure 5.8 Positive connector compositions Figure5.9Negative connector compositions NOTE! Positive and negative metal connectors are packed with positive and negative connectors respectively when shipped out. After unpacking, keep the positive and negative ones separate to avoid confusion.
  • Page 32 Step 2 Insert the exposed areas of the positive and negative power cables into the metal terminals of the positive and negative connectors respectively and crimp them using a crimping tool, as shown in Figure 5.11. Figure 5.11 Crimping a metal connector Step 3 Insert the crimped positive and negative power cables into the corresponding positive and negative connectors until a “click”...
  • Page 33 Step 5 Measure the voltage of every route Strings using a multimeter. Ensure that the polarities of the DC input power cables are correct, as shown in Figure 5.14. Figure 5.14 Checking the voltage of every route Strings Step6Insert the positive and negative connectors into their corresponding terminals of the inverter until a “click”...

  • Page 34: Connecting Communication Cables

    5.4ConnectingCommunicationCables 5.4.1CommunicationModeDescription You can use the following communication modes to implement communication: Bluetooth, WIFI, GPRS and RS485 all of which are described as follows. Bluetooth Module You can turn on the Bluetooth function of the mobile phone, and set parameters and monitor data of the inverter through the mobile APP. For details about operation, refer to APP User Manual.

  • Page 35: Power Limit (Optional)

    5.5Powerlimit(optional) 5.5.1 Wiring diagram of Inverter+CT Figure5.16Wiring diagram of Inverter+CT Figure 5.17 Settings via APP - Power limit function set to “CT sensor” - Set the CT position base on the meter installed on load or on grid - Set maximum feed-in grid power if needed - Set Power limit CT ratio...
  • Page 36 5.5.2 Wiring diagram of Inverter+Meter Figure 5.18 Wiring diagram of Inverter+Meter Figure5.19Settings via APP...

  • Page 37: Installation Verification

    - Set the “Power limit function” to “Digital Power Meter” - Set the Digital Power Meter Type - Set the meter position base on the meter installed on load or on grid - Set maximum feed-in grid power if needed - Set “Power limit CT ratio”...

  • Page 38: SystemOperation

    SystemOperation 6.1PoweringONtheInverter Step 1: Switch ON the AC circuit breaker. Step 2: If the inverter has a switch, turn the switch to “ON” state. Step3:Observe statuses of LED indicator lights on the inverter according to Table 7.1. NOTE! When LED status lights display the inverter has entered grid-connecting, it means the inverter is operating well.

  • Page 39: UserInterface

    For more details, refer to Table 7.1 HMI specification definition. NOTE! You can view & set data of the inverter through inverter APP. For details about operation, refer to APP User Manual. APP User Manual is available for free from www.nJoy.global website.

  • Page 40: Hmi Specification Definition

    7.1HMIspecificationdefinition LED Indicator Description Status Standby blink(slowly) Blue led Normal status Limited power operation on Green led Red led Refer to the table below Status WarningDefinition LCD Display Grid over voltage A0 Grid OV Red led blink(slowly) Grid under voltage A1 Grid UV Red led blink(slowly) Grid absent...

  • Page 41: Lcd Automatic-Page-Turning Display

    Fan fault C8 FAN lock DC link under voltage C9 Bus UV Red led on DC link over voltage CA Bus OV Red led on Internal CB COM err Red led on Communications fault Software version CC FW Incomp Red led on incompability EEPROM fault CD EEP err...
  • Page 42 Output power Today Energy Total Energy Total Hours The LCD display interface of the inverter PV voltage grid-connected state is PV current shown in the figure on the right: AC voltage AC current hour:minute year/month/day Table 7.2 LCD automatic-page-turning display Maintenance WARNING Before maintaining and commissioning inverter and its peripheral...
  • Page 43 Check periodically and ensure Clean PV inverter that the heat sink is free from periodically the yearly cleaning dust and blockage. heat sink. Check that the inverter is not If there is any damaged or deformed. Check abnormal PV inverter normal sound emitted...
  • Page 44 8.2InverterTroubleshooting When the inverter has an exception, its basic common warning and exception handling methods are shown in the table 8.2. Alarm Name Causes MeasuresRecommended 1. If the alarm occurs accidentally, the power Grid Over grid may be abnormal accidentally. No extra Voltage action is needed.
  • Page 45 1. If the alarm occurs accidentally, The insulation possibly the external circuits are resistance against abnormal accidentally. The inverter the ground at the automatically recovers to the normal input side decreases operating status after the fault is Residual Current during the inverter rectified.
  • Page 46 remote monitor If modem or other data logger is used, displays Communications please reboot it; if still does not work zero power outage after rebooting, contact your dealer. generation remote monitor Check if DC switch is damaged, and if Output switch displays no not, switch it to ON.
  • Page 47 Disposal of the Inverter The PV inverter and its packing case are made from environment- friendly materials. If the inverter service life has expired, do NOT discard it with household garbage; dispose the inverter in accordance with local environmental laws and regulations. DisposalofOldElectrical&ElectronicEquipment (Applicable in the European Union and other European countries with separate collection systems)
  • Page 48 Cuprins Introducere Masuri de siguranta 1.1 Masuri de siguranta pentru personalul autorizat 1.2 Masuri de precautie in operarea invertorului fotovoltaic 1.3 Precautii de instalare 1.4 Conexiunea electrica 1.5 Operarea si aprobarea functionarii 1.6 Mentenanta 1.7 Informatii aditionale Prezentarea inventorului 2.1 Model de functionare 2.2 Aplicatii 2.3 Dimensiuni si prezentare 2.4 Functionarea invertorului...
  • Page 49 7.2 Ecran LCD - Rasfoirea automata si semnificatia simbolurilor afisate 84 Mentenanta 8.1 Mentenanta periodica 8.2 Depanare invertor 8.3 Dezinstalarea invertorului Colectareainvertoruluipentrureciclare...

  • Page 50: Introducere

    Introducere Va rugam sa parcurgeti manualul inainte de a instala si opera invertorul Acest manual prezinta invertorul din punct de vedere al montarii, instalarii si conectarii electrice, functionarii, punerii in functiune, mentenantei si a depanarii. Va rugam sa parcurgeti manualul inainte de a instala si opera invertorul si pastrati-l pentru viitoare referinte.

  • Page 51: Masuri De Siguranta

    Simboluri de siguranta Simbolurile utilizate in acest manual evidentiaza riscurile potentiale si informatiile care asigura siguranta operatorului, si sunt prezentate dupa cum urmeaza: Simbol Descriere Indica situatii periculoase iminente care incorect PERICOL executate pot duce la raniri grave sau chiar la deces. Indica situatii potential periculoase care incorect AVERTISMENT executate pot duce la raniri grave sau chiar la deces.

  • Page 52: Masuri De Precautie In Operarea Invertorului Fotovoltaic

    1.2Masurideprecautieinoperareainvertoruluifotovoltaic NOTIFICARE! Imediat dupa primirea invertorului verificati daca s-au produs daune in timpul transportului. Daca exista, contactati imediat unitatea de unde s-a achizitionat echipamentul. a. Nu ignorati avertismentele prezente pe carcasa invertor-ului deoarece ele contin informatii importante despre operarea lui in siguranta. b.

  • Page 53: Operarea Si Aprobarea Functionarii

    d. Cablurile utilizate la conexiuni trebuie bine fixate, bine izolate si cu specificatiile corecte. 1.5Operareasiaprobareafunctionarii PERICOL In timpul in care invertorul functioneaza se genereaza tensiuni mari care pot fi periculoase si cauza electrocutari. Va sfatuim sa urmati cu strictete masurile de precautie prezentate in acest manual.

  • Page 54: Informatii Aditionale

    b. In timpul mentenantei instalati temporar un perimetru de siguanta impotriva accesului neautorizat compus din semne distincte si garduri de protectie. c. Urmati cu strictete procedura de mentenanta prezentata in acest manual. d. Verificati toti parametrii de performanta si siguranta; corectati eventualele erori care poate impiedica functionarea eficienta si performanta a invertorului inainte de a-l reporni.

  • Page 55: Aplicatii

    2.1.2 Denumirea modelului de invertor Figure 2.1 Schema de mai jos reprezinta felul in care este denumit modelul de invertor, utilizand 3K/5K/6K ca si exemplu. Astris 5K Figura 2.1 Denumirea modelului 2.2Aplicatii 2.2.1 Invertor fotovoltaic on grid Aceasta documentatie se refera la invertoarele fotovoltaice care se conecteaza la reteaua electrica publica.
  • Page 56 Figura 2.4 - Invertor fotovoltaic 5K/6K cu dubla intrare MPPT(mm) Figura 2.5 - Vedere din fata cu zona LED Invertor PV 3K cu o singură intrare MPPT Invertor PV 5K/6K cu doua intrari MPPT Figura2.6 Vedere din spate...

  • Page 57: Functionarea Invertorului

    1. Conectori intrare panouri fotovoltaice 5. Contactul exterior de impamantare 2. COM2(RS-485/meter/CT/DI) 6. Valva de ventilatie 3. COM1(WIFI/GPRS/Ethernet/ RS-485) 7. Intrerupator DC 4. Conector iesire AC 5K/6K Figura 2.7 Vedere de jos 2.4Functionareainvertorului 2.4.1Principiuldefunctionare Invertorul de 3K cu intrare singulara MPPT este compatibil cu 1 sir de panouri solare.

  • Page 58: Stari De Functionare

    Mai jos, este prezentata schema circuitului pentru invertorul de putere 5K/6K cu intrare dubla MPPT. Figure2.9Schema circuit 5K/6K 2.5Staridefunctionare Starile de functionare ale invertorului sunt: Stand-by (repaus), in functiune si oprit. Tabelul de mai jos prezinta conditiile in care invertorul poate fi intr-una din starile specificate Stare Descriere...

  • Page 59: Depozitare

    NOTIFICARE! Instructiune: daca echipamentul este folosit in mod diferit de cel specificat de producator, protectiile prevazute nu vor functiona eficient. Depozitare Acest capitol descrie conditiile pentru depozitarea invertorului. Aceste instructiuni trebuie respectate in cazul in care invertorul nu este instalat imediat. >...

  • Page 60: Instalarea

    Instalarea PERICOL Nu instalati invertorul aproape de materiale inflamabile sau intr-o zona in care sunt depozitate materiale inflamabile sau explozive. ATENTIONARE Nu instalati invertorul intr-un loc usor accesibil personal-ului neautorizat care poate veni in contact cu oricare parte a carcasei sau radiator si pot suferi arsuri sau electrocutari.

  • Page 61: Manipularea Invertorului

    NOTIFICARE! Daca se identifica orice defect va rugam sa contactati unitatea de unde ati achizitionat echipamentul. NOTIFICARE! Panouri fotovoltaice pentru invertoare non-isolated. Acest tip de invertor este insotit de instructiuni de instalare ce specifica ca si cerinte panouri fotovoltaice care sunt certificate IEC 61730, Clasa A. Daca tensiunea maxima de retea e mai mare decat tensiunea maxima a matricii de panouri PV, atunci se impun panouri PV care au rating-ul tensiunii maxime in functie de tensiunea de retea 4.2 Manipularea invertorului...

  • Page 62: Criterii De Instalare

    4.3.2Simbolurideconformitate Simbol Descriere Pericol de electrocutare! Exista tensiune reziduala in invertor. Are nevoie de 5 minute pentru descarcarea completa. 5 mins Invertorul nu trebuie atins in functionare. Carcasa si radiatorul sunt extrem de fierbinti. Pericol de electrocutare! Pericol de descarcare electrica! Acces strict pentru personal autorizat! Cand durata de viata a invertorului a expirat, respecta reglementarile locale in vigoare pentru reziduurile de acest tip.
  • Page 63 Criterii pentru mediu de instalare a. Temperatura ambientala trebuie mentinuta sub 50 grade Celsius pentru o functionare corecta si o durata de viata mai mare. b. Invertorul trebuie instalat intr-un spatiu foarte bine ventilat pentru a asigura disiparea eficienta a caldurii. c.
  • Page 64 Vedere frontala Vedere laterala Figura 4.4 Cerințe privind spațiul de instalare(mm) c. La instalarea invertoarelor multiple, instalati-le pe aceeasi linie, daca exista suficient spatiu la dispozitie ca in Figura 4.5). In caz contrar, instalati-le sub forma unui triunghi echilateral ca in Figura4.6) sau unul sub celalalt cum arata Figura 4.7).
  • Page 65 Figura4.6 Instalare in modul triunghiular(mm) Figura 4.7 Instalare în modul stivuit(mm) NOTIFICARE! Cu cat e mai mare temperatura ambientala a mediului de instalare cu atat trebuie pastrata o distanta mai mare intre invertoare.

  • Page 66: Instalarea Panoului Din Spate

    4.4.2Criteriipentrupozitiadeinstalare Instalarea invertorului se face in pozitie verticala la un unghi de inclinare maxim de 15 grade pentru o disipare a caldurii eficienta. Exemple de instalare corecta si gresita in schitele din Figurile4.8&4.9 de mai jos. Instalare corecta In pozitie verticala Unghi de inclinare Figura 4.8 Instalare corecta Instalare gresita...
  • Page 67 5K/6K Figure 4.10 Determinarea pozitilor pentru orificii (mm) Pasul 3. Pozitionati orificiile corect cu ajutorul unui indicator de nivel si marcati-le utilizand un marker ca in figura de mai jos. (figura 4.11). Figura 4.11 Marcarea pozitiei orificilor utilizand un marker Pasul 4 Gauriti in locul marcat cu ajutorul unui ciocan rotopercutor si instalati diblurile ca in Figura4.12.
  • Page 68 a. Gauriti in pozitiile marcate anterior la o adancime de 60mm utilizand un ciocan rotopercutor cu varful de dimensiunea Ф10mm. b. Strangeti partial un surub pe diblu si introduceti-l utilizand un ciocan de cauciuc. Adancime Figura 4.12 Perforarea găurilor și instalarea diblurilor(mm) Step 5 Aliniati panoul din spate cu gaurile facute, introduceti si strangeti suruburile cu o cheie dinamometrica (forta de strangere 2-2.5 Nm) cum e prezentat in figura de mai jos.

  • Page 69: Instalarea Invertorului Propriu-Zis

    4.6Instalareainvertoruluipropriu-zis Urmati pasii de mai jos: Pasul 1 Folosind manerele de pe lateralele invertorului ridicati-l si aliniati-l cu panoul din spate deja montat. Step 2 Monteaza invertorul pe acest panou aliniind orificiile de fixare ca in Figura 4.14. Step3 Strangeti suruburile hexagonale in ambele parti ale invertorului cu o forta de 1.2Nm si respectiv 3Nm.

  • Page 70: ConexiunileElectrice

    Conexiunile Electrice PERICOL Inainte de a face orice conexiune electrica, asigurati-va ca ambele comutatoare pentru curentul alternativ AC, respectiv curentul direct DC sunt oprite. In caz contrar, riscati fatalitatea din cauza tensiunilor mari prezente pe cablurile AC si DC. 5.1Conectareacabluluideprotectieimpamantare(PGND) 5.1.1Pregatire Pregatiti cablul de impamantare si terminalele OT.
  • Page 71 5.1.2 Procedura de cablare Pasul 1 Indepartati stratul izolator de pe capatul cablului de impamantare utilizand un cleste de dezimbrare, pe o portiune putin mai lunga cu 2-3 mm decat clama terminalului OT, cum este prezentat in schema de mai jos. Figura 5.1 dezizolare(mm) Pasul 2 Introduceti firele expuse ale cablului in clama terminalului OT si strangeti-le utilizand clesti hidraulici, cum este prezentat in schema de mai...

  • Page 72: Conectarea Cablului De Iesire Curent Alternativ (Ac)

    Pasul 4 Asigurati cablul PGND (dupa executarea pasilor 1&2) utilizant un surub de impamantare si strangeti-l utilizand o cheie tubulara (forta 1.2 Nm) cum este prezentat in schema de mai jos. Figura 5.4 Asigurati cablul PGND 5.2Conectareacabluluideiesirecurentalternativ(AC) 5.2.1PregatiticablulsiterminaleleAC. a. Cablul pentru curent alternativ AC: cablul cu miez de cupru pentru exterior.
  • Page 73 AVERTISMENT O siguranta suplimentara trebuie instalata pe iesirea AC a invertorului pentru a se asigura o deconectare sigura de la reteaua de electricitate. AVERTISMENT Nu conectati niciun dispozitiv intre terminalele de iesire AC ale invertorului si siguranta. Toate conectarile se vor face dupa acest punct de siguranta.
  • Page 74 Procesul de cablare cu tipurile B,C si D sunt prezentate mai jos. Indiferent de tipul folosit strangeti capisonul rezistent la apa pentru a evita slabirea lui. NOTE! Faza (line), neutrul (neutral) si impamantarea (ground) corespund cu notatia L, N si G, atat ale terminalului cat si ale conectorului AC. Daca sunt legate gresit invertorul nu va functiona.

  • Page 75: Conectarea Sirurilor De Panouri Fotovoltaice

    Pasul 5 Dupa conectarea terminalului AC, instalati mansonul de protectie (optional) cum e prezentat mai jos. La utilizarea tipului B, mansonul de protectie este optional. Pasul 5 este necesar doar atunci cand Tipul B vine cu manson de protectie. Dupa ce terminalul de tip B este conectat, asigurati mansonul de protectie cu suruburi pentru a preveni slabirea conexiunilor.
  • Page 76 AVERTISMENT In impamantarea sirurilor de panouri fotovoltaice este necesara respectarea urmatoarelor precautii pentru a se evita izbucnirea unui incendiu. Panourile conectate in serie trebuie sa fie cu specificatii identice. Tensiunea maxima in gol a fiecarui sir de PV trebuie sa fie mai mica sau egala cu tensiunea admisibila.
  • Page 77 Conectorii sirurilor de PV: Sunt folositi conectori de intrare de curent continuu, dupa cum se vede in Figura 5.8 si Figura5.9. Strat izolator Manson de blocare Strat izolator Manson de blocare Figura 5.8 Ilustratie Conector pozitiv Figura5.9Ilustratie Conector negativ BINE DE STIUT! Conectorii metalici pozitivi si negativi sunt livrati impreuna cu conectorii de plastic aferenti in momentul expedierii.
  • Page 78 Pasul 2 Inserati partea dezizolata a cablurilor electrice pozitiv si negativ in partea de metal a terminalelor corespondente si fixati-le impreuna folosind un instrument de sertizat. Figura 5.11 Sertizarea unui conector metalic Pasul3Inserati cablurile sertizate in conectorii corespondenti negativ si pozitiv pana auziti un clic, cum prezinta figura de mai jos.
  • Page 79 Pasul 5 Masurati tensiunea pe fiecare sir al rutelor utilizand un multimetru. Asigurati-va ca polaritatile cablurilor de intrare DC sunt corecte, cum este prezentat in figura de mai jos. Figura 5.14 Masurarea tensiunii pe fiecare canal al sirului Pasul6 Inserati conectorii pozitiv si negativ in terminalele corespondente ale invertorului pana auziti un clic, cum se prezinta mai jos.

  • Page 80: Conectarea Cablurilor De Comunicatie

    5.4Conectareacablurilordecomunicatie 5.4.1Modalitatidecomunicatie Asigurarea comunicatiei dintre invertor si alte device-uri se poate realiza prin urmatoarele modalitati: Bluetooth, WI-FI, GPRS, RS485 Modul Bluetooth Pentru a folosi aceasta modalitate porniti functia Bluetooth pe telefon, setati parametrii de functionare si monitorizati invertorul prin aplicatia mobila.

  • Page 81: Limitator De Putere Senzor

    5.5 Limitator de putere senzor 5.5.1 Diagrama invertorului + CT Locatie Descriere Functia Limita putere Reseteaza parola WI-FI Figura5.16Diagrama invertorului + CT Figura 5.17 Setari prin intermediul aplicatiei - Functia limitatorului de putere setat pe “CT sensor”. - Stabiliti pozitia unde este instalat CT-ul, pe retea sau pe sarcina. - Setati puterea maxima ce se doreste a fi injectata in retea, daca este cazul.
  • Page 82 5.5.2 Diagrama invertorului + power meter Locatie Descriere Functie Limita putere Figure 5.18 Diagrama invertorului + Power meter Figura5.19Setari prin intermediul aplicatiei...

  • Page 83: Verificari Dupa Instalare

    - Setati Functia de limitare pe digital Power meter. - Setati tipul de digital Power meter. - Stabiliti pozitia unde este instalat Meter-ul, pe retea sau pe sarcina. - Setati puterea maxima ce se doreste a fi injectata in retea, daca este necesar.

  • Page 84: Operarea Sistemului

    Operarea sistemului 6.1Pornireainvertorului Step 1: Porniti comutatorul de siguranta al AC. Step 2: Daca invertorul are intrerupator de pornire, actionati-l. Step3:Observati statusul LED al invertorului conform cu tabelul 7.1 BINE DE STIUT! In momentul in care luminile LED indica ca invertorul functioneaza on-grid inseamna ca functioneaza in parametrii corecti.

  • Page 85: InterfataUtilizatorului

    Luminile LED-urilor pot fi de 3 culori: albastru, verde si rosu. Pentru mai multe detalii consultati tabelul 7.1 BINE DE STIUT! Setarile si informatiile se pot vizualiza in aplicatia mobila. Pentru detalii, consultati manualul de utilizare al aplicatiei. Manualul aplicatiei este la dispozitie pe site-ul www.nJoy.global...

  • Page 86: Definirea Informatiilor Starilor Hmi

    7.1DefinireainformatiilorstarilorHMI Indicator LED Descriere Stare Repaus / stand-by Clipeste incet Albastru Functionare normala Aprins Functionare limitata Aprins Verde Rosu Vezi mai jos Stare Avertisment Ecran LCD Supratensiune in grid A0 Grid OV LED rosu clipeste incet Tensiune prea scazuta A1 Grid UV LED rosu clipeste incet in grid Fara curent de la grid...

  • Page 87: Ecran Lcd - Rasfoirea Automata Si Semnificatia Simbolurilor Afisate

    Eroare ventilator C8 FAN lock Legatura CC subvoltata C9 Bus UV LED rosu aprins Legatura CC CA Bus OV LED rosu aprins supravoltata Eroare comunicatie CB COM err LED rosu aprins Versiune software CC FW Incomp LED rosu aprins incompatibila Eroare EEPROM CD EEP err LED rosu aprins...

  • Page 88: Mentenanta

    Puterea de iesire Energia astazi Energie totala Total ore Ecranul invertorului Tensiune panouri conectat la grid afiseaza informatia urmatoare: Sarcina PV Tensiune AC Sarcina AC Ora:minute An / luna/ ziua Tabelul 7.2 Ecran LCD - Rasfoirea automata si semnificatia simbolurilor afisate Mentenanta AVERTISMENT Inainte de mentenanta sau punerea in functiune a intregului sistem,...

  • Page 89: Depanare Invertor

    Daca sunt Verificati ca invertorul sa nu fie avariat sau deformat. observate Starea de Verificati sunet emite defecte, functionare a Lunar invertorul in timpul functionarii. inlocuiti partile invertorului Verificati invertorul care genereaza mentina o comunicatie buna. aceste defecte. Verificati si asigurati cablurile Daca sunt Conexiunile AC, DC si cele de comunicatie...
  • Page 90 Tensiunea generata de Supra Verificati numarul de panouri si ajustati panouri este tensiune la mai mare parametrii panourile PV decat permite invertorul Tensiunea 1. Atunci intensitatea solara slabeste, tensiunea generata de generata de panouri scade. Nu este necesara Subtensiune panouri este nicio actiune.
  • Page 91 Cablurile de Sirul de la sirul de Verificati daca cablurile sirurilor de panouri panouri panouri a sunt conectate corect. In caz contrar, corectati conectat fost conectat conectarea cablurilor conform cu manualul invers invers ca polaritate Dezechilibru Subtensiune intern anormal in modulul de control al 1.

  • Page 92: Dezinstalarea Invertorului

    a. Verificati conexiunile echipamentului, inclusiv integritatea firelor, fixarea clemelor si papucilor Detectie arc Descarcari b. Dupa eliminarea defectiunilor, opriti electric electrice alimentarea cu curent (continuu si alternativ) si reporniti invertorul sau apasati AFD Reset in aplicatie pentru a elimina alarma Table 8.2 Depanare invertor BINE DE STIUT! Daca alarmele nu se pot stinge in urma actiunilor recomandate, contactati...

  • Page 93: ColectareaInvertoruluiPentruReciclare

    Colectarea invertorului pentru reciclare In momentul in care perioada de viata a invertorului a expirat, NU ARUNCATI invertorul impreuna cu gunoiul menajer, ci respectati procedurile locale de colectare a deseurilor de acest tip. Dezafectarea echipamentelor electrice si electronice vechi (Se aplica pentru ţarile membre ale Uniunii Europene si pentru alte tari europene cu sisteme de colectare separata) Acest simbol aplicat pe produs sau pe ambalajul acestuia indica faptul ca acest produs nu trebuie tratat ca pe un deseu menajer.
  • Page 94 Memo...
  • Page 95 Memo...

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