Prostar PMS340M-120 mono perc half cell solar module 340w 120 cells

Half cell Solar Panel 340w | 5BB PERC | Monocrystalline | Dimension: 1708x1000x35mm

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Prostar PMS340M-120 mono perc half cell solar module 340w 120 cells is increased efficiency of half cut solar cells produce higher power output compared to a traditional solar module. This in turn increased the overall efficiency of the entire solar power system – be it solar power packs, rooftop solar power plants and land based solar power plants.

Smaller cells experience reduced mechanical stresses, reaching a decreased opportunity for cracking. Prostar PMS340M-120 mono perc half cell solar module 340w 120 cells has higher output ratings and are more reliable than conventional solar panels.

Half-cut Cell Mono Solar Module Installation

Today new solar module generation technology has increased the module output of up to 15 watts per module, compared to standard solar modules. Boasting the efficiency of up to 19.99%.

Prostar PMS340M-120 mono perc half cell solar module 340w 120 cells consists of conventional 158.75×158.75mm monocrystalline silicon cells cut in half. So 60-cells standard PV module becomes 120-cells half-cell PV module. As a result, new half cells have shorter bus bar conductors. The shorter conductors mean less amperage, thus, lower resistance. Lower resistance reduces power loss to 6% and increase the output power from 5W to 8W per module. It means 16.5% lower risk of hot-spots due to lower temperature in partially shaded cells compared to standart full cell modules.

Half Cell Solar Module Features

-1- 5 busbar cell design improves module efficiency and offers better aesthetic appearance for rooftop installations

-2- IP68 junction box for long-term weather endurance

-3- Limited power degradation of Eagle module caused by PID effect is guaranteed under strict testing condition (85℃/85%RH,96hours)for mass production

-4- Higher module conversion efficiency thanks to half-cut cell design

-5- LOW hot spot temperature risk

-6- Excellent space utilization performance, increasing power density effectively and reducing costs of solar panel

-7- Lower temperature coefficient, zero depth reflection increasing

-8- High salt mist and ammonia resistance certified by TÜV NORD

Why cut solar cell in half?

Solar cells are cut in half to reduce the cell-to-module losses during assembly. Power loss is generally proportional to the square of the current times resistance.

Half-cut Cell Electrical Losses

Splitting the cell into two halves the current (not the voltage) of the cell, so when you apply this change to the equation the losses are reduced by 75%. The overall panel efficiency increased by 1,5-3% and this results in a reduction in panel heat production.

Half-cut Cell Solar Panel Details

Split Junction Box

Panels with half cut solar cells can have junction boxes that are split into three, as you can see in this picture of  half cut panel. The middle box is for the middle bypass diode.

split junction box
split junction box

A split junction box leads to lesser metallization than a standard panel in comparison to poly or mono panels and creates lesser internal resistance which saves space.

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    Model PMS340M-120
    Electrical Data
    Maximum Power (Pmax) 340Wp
     Maximum Power Voltage (Vmp) 34.6V
    Maximum Power Current (Imp) 9.79A
    Open Circuit Voltage (Voc) 41.2V
    Short Circuit Current (Isc) 10.29A
    Power Tolerance(Positive) 5%
    Module Efficiency STC 19.91%
    Maximum System Voltage 1000VDC (IEC), 600VDC(UL)
    Series Fuse Rating 15A
    Temperature Coefficient of Pmax -0.36%/°C
    Temperature Coefficient of Voc -0.28%/°C
    Temperature Coefficient of Isc 0.04%/°C
    Application Class Class A
    Qualification Test Parameters
    Dielectric Insulation Voltage 6000VDC max
    Operating Temperature Range -40°C to +85°C
    Max. Snow Load 5400Pa
    Max. Wind Load 2400Pa
    Hailstone Impact 25mm(1inch) at 23m/s(52mph)
    Fire Rating Class C
    Nominal Operating Cell Temperature(NOCT) 45±2°C
    Mechanical Characteristics
    Cell Type Monocrystalline 158.75×79.36mm / 5BB PERC
    Cell Number 120 (6×20)
    Dimensions (mm) 1708x1000x35
    Weight(Kgs) 18.80(approx)
    No. of Draining Holes in Frame 16
    Front Glass 3.2 mm, High Transmission, Low Iron,Tempered Glass
    Frame Type Clear Anodized Aluminium Alloy Type 6063T5
    Junction Box Protection Class IP 68 Rated
    Connector Type Compatible type MC4
    Output Cables TUV 1×4 mm² / UL 12AWG, Length:300±5 mm
    Packing Configuration
    Packing Type 31Pcs/CTN, 2Pcs/CTN
    Container Loading 858Pcs/40HQ, 330Pcs/20GP
    Standard Test Conditions (STC): Irradiance 1000W/m2, AM 1.5, Cell temperature 25°C

    Nominal Operating Cell Temperature (NOCT): Irradiance  800W/m2, AM 1.5, Wind Speed 1m/s, Ambient temperature 20°C

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