Project Equipment –
Materials Used For This Project

Inverter

We will be using Solis Three PV Inverter (50K) for this project. The features are as follows.

• Three phase output
• Max. efficiency 99%, EU efficiency 98.5%
• High precise, high speed MPPT algorithm
• Four MPPT input, each rated current is 28.5A, compatible with high power module
• Compact and light design for two-person easy installation
• IP65, visually pleasing for domestic environment
• THDi < 3%, low harmonic distortion against grid
• Anti-resonance, single transformer can connect 6M+ in parallel
• Perfect commercial site monitoring solution
• Intelligent redundant fan-cooling

Inverter Datasheet

• Model – Solis-40K-HV
  • Energy Source – PV
• Input Side (DC)
  • Max. DC input power(kW) – 55
  • Max. DC input voltage(V) – 1100
  • Start-up voltage(V) – 200
  • MPPT voltage range(V) – 200-1000
  • Max. input current(A) – 28.5A+28.5A+28.5A+28.5A
  • MPPT number / Max input strings number – 4/12
• Output Side (AC)
  • Rated output power(kW) – 50
  • Max. apparent output power(kVA) – 55
  • Max. output power(kW) – 55
  • Rated grid voltage(V) – 400
  • Grid voltage range – 304-460
  • Rated grid frequency(Hz) – 50/60
  • Operation phase – Three
  • Rated grid output current(A) – 72.2
  • Max. output current(A) – 83.3
  • Power Factor(at rated output power) – 0.8…1…0.8
  • THDi(at rated output power) – <3%
  • DC injection current(mA) – <50
  • Grid frequency range(Hz) – 47-52 or 57-62
• Efficiency
  • Max. efficiency – 98.8%
  • EU efficiency – 98.4%/98.4%
  • MPPT efficiency – 99.9%
• Protection
  • DC reverse-polarity protection – Yes
  • Short circuit protection – Yes
  • Output over current protection – Yes
  • Output over voltage protection – Yes
  • Insulation resistance monitoring – Yes
  • Residual current detection – Yes
  • Surge protection – Yes
  • Islanding protection – Yes
  • Temperature protection – Yes
  • Integrated DC switch – Optional
• General Data
  • Dimensions(mm) -630W*700H*357D (mm)
  • Weight(kg) – 63
  • Topology – Transformerless
  • Self consumption (night) – <1W(Night)
  • Operating ambient temperature range – -25~60°C
  • Ingress protection – IP65
  • Noise emission{typical} – <60 dBA
  • Cooling concept – Intelligent redundant fan-cooling
  • Max. operation altitude – 4000m
  • Designed lifetime – >20years
  • Grid connection standard – EN50438, G59/3, AS4777, VDE0126-1-1, IEC61727
  • Relative humidity – 0~100%
  • Safty/EMC standard – IEC62109-1/-2, AS3100, EN61000-6-1, EN61000-6-3
• Features
  • DC connection – MC-4mateable
  • AC connection – OT Terminal connectors
  • Display – LCD, 2 x 20 Z
  • Communication connections – 4 pins RS485 connector, 2 RJ45 connector, 2 group of terminal black
  • Warranty – 5 years standard (extend to 20 years)

Module

We will be using JNMM72-365 Monocrystalline-PERC² (mono-PERC) PV Module for this project. The features are as follows.

• Advanced Production Process
  • 5 bus-bar design, double printing cell technology
  • Average cell efficiency >21.8%
• Superior Quality Control
  • Full automatic production line
  • ISO 9001:2015 Quality management System
  • 100% three times EL and appearance inspection
• Excellent Power Generation Performance
  • 0~+5W positive power tolerance
  • Improved low light irradiance performance
• Stable Mechanical Performance
  • Passed rigorous hail test
  • Withstands 5400 Pa snow and 2400 Pa wind loads
• Long Weather Resistance
  • Excellent anti-PID (Potential Induced Degradation) performance
  • Certified in fireproofing for safety
• Approved by CQC, CGC “Front Runner”
• Leading passivated emitter and rear contact technology in the industry.
• Advanced process to reduce extra degradation of PERC cell.
• Higher conversion efficiency to reduce system cost per watt.
• Adaptable to 1000V and 1500V system voltages.

 Module Datasheet

• Electrical Specifications
  • Max. Power at STC (Pmpp/W) – 365
  • Output Tolerance (W) – 0~+5
  • Max. Power Voltage (Vmp/V) – 39.13
  • Max. Power Current (Imp/A) – 9.33
  • Open Circuit Voltage (Voc/V) – 47.69
  • Short Circuit Current (Isc/A) – 9.78
  • Module Efficiency (%) – 18.8
  • Max. Power at NOCT (Pmpp/W) – 271.6
  • Max. Power Voltage (Vmp/V) – 36.39
  • Max. Power Current (Imp/A) – 7.46
  • Open Circuit Voltage (Voc/V) – 44.72
  • Short Circuit Current (Isc/A) – 7.89
• Mechanical Specifications
  • Cell (mm) – 156.75*156.75 Mono
  • Dimensions (L*W*H) (mm) – 1956*992*35
  • Weight (kg) – 21.5
  • Cable Cross Section Size (mm²) – 4
  • Cable Length (mm) – 800/1200
  • No. of Cells and Connections – 72(6*12)
  • No. of Diodes – 3
• Qualification
  • Max. System Voltage (D VC) – 1000/1500
  • Temperature Cycling Range (°C) – -40~+85
  • Max. Series Fuse Rating (A) – 15
  • Max Reverse Current – 15
  • Max. Wind Load/Max. Snow Load (Pa) – 2400/5400
  • Hot Spot Rate – 100% Free

Module Dimension Details