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| Highly Reliable |
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Photovoltaic modules are high-tech products engineered for extended use in environments with extreme temperatures and harsh weather conditions. Mitsubishi Electric’s many years of experience and know-how are behind the introduction of design and structural improvements that lead to PV modules with long-term reliability. Our goal is nothing less than the supply of malfunction-free products.
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Original Derating Design Concept
Mitsubishi Electric’s original derating design concept reduces the electrical stress of each electrical component by the rated value for actual use time, lowering the product failure rate and ensuring reliability in the long term.
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Straight Tabs
Expansion of solar cell string pitch and adoption of newly developed straight tabs combine to eliminate stress on the tab wiring, ensuring dependability over the long term.
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Traditional Module
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| Straight tab |
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Newly Developed Module
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Double-sided Independent Tabs
Mitsubishi Electric solar cells have separate connecting tab wiring between the front and back sides. This is an effective step toward optimization of connecting conditions, while curving cell warp to support the move toward thinner solar cells.
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Reliable Bus Bar
Adoption of a structure that ensures ample distance between the bus bar and module frame helps prevent short circuits, insulation deterioration and other problems. It likewise curbs declines in power output caused by dust accumulated in the lower part of modules.
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Lower Slope of Module Frame
Mitsubishi Electric module frames have been designed with a lower slope of 30% compared to traditional models. This innovation can provide a larger generation of power in cases where the modules are installed at lower angles, by preventing dust from accumulating in the frame area.
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TD Series: Protection Bar
Mitsubishi Electric has developed a unique “Protection Bar” back side module. The combination of high-strength glass and Protection Bar can pass the static load test 5400 Pa of IEC61215 2nd edition. The Protection Bar also easily meets the requirements of 545 grams (1.18 pound) steel ball drop-testing from a height of 1.295 meters (51 inches).
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Higher Tensile Strength Structure
A newly developed frame dramatically improves snow load resistance by enhancing tensile strength between the laminate and module frame.
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Better Water Drainage Structure
In order to improve water drainage, we added holes on the edge of the frame back. Thanks to this improvement, the potentiality of moss or dirt accumulation and damage by water is considerably mitigated.
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High-corrosion Resistance of Frame
The module frame features anodized aluminium with clear coating -- two pivotal steps toward high-corrosion resistance and reliable use even under truly severe environmental conditions.
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Hollow-less Structure Frame
The frame is engineered with optimum thickness and structure, for improved bending strength.
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TD, TE Series: Four-Layer Structure Back Film
The newly developed PET type back film offers four-layer construction. This design greatly achieves maximum system voltage of 1000V, further improving the environmental characteristics of the module.
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