Solar cables (also known as photovoltaic or PV cables) are specialized cables designed to interconnect the various components of photovoltaic power generation systems. These cables cover the full range of connections from solar panels to combiner boxes, inverters, transformers, and ultimately to local grid substations. Manufactured in accordance with EN 50618 (the current European harmonised standard, designated H1Z2Z2-K), modern solar cables are engineered to withstand severe environmental conditions including extreme UV exposure, wide temperature variations, moisture, and mechanical stress over an anticipated service life of approximately 25 years.

ESLos cables solares (también conocidos como cables fotovoltaicos o PV) son cables especializados diseñados para interconectar los diversos componentes de los sistemas de generación de energía fotovoltaica. Fabricados según EN 50618, estos cables están diseñados para soportar condiciones ambientales severas durante aproximadamente 25 años.

繁中太陽能電纜（又稱光伏電纜或 PV 電纜）是專門設計用於連接光伏發電系統各組件的電纜。這些電纜涵蓋從太陽能電池板到匯流箱、逆變器、變壓器以及最終到本地電網變電站的全部連接。按照 EN 50618（當前歐洲協調標準，標識為 H1Z2Z2-K）製造，現代太陽能電纜設計用於承受嚴酷的環境條件，包括極端紫外線照射、寬溫度變化、濕氣和機械應力，預期使用壽命約為 25 年。【說明：EN 50618 於 2014 年取代了之前的 TÜV 批准標準 PV1-F，成為歐洲太陽能電纜的統一標準。H1Z2Z2-K 標識解讀：H=協調標準，1=單芯，Z2=交聯無鹵絕緣，Z2=交聯無鹵護套，K=柔性】

Solar installations require different cable types for different sections of the system. DC cables (like H1Z2Z2-K) connect the solar panels to the inverter, operating at relatively low voltage but requiring exceptional UV and weather resistance. AC cables (like N2XY, RZ1-K) carry the converted power from the inverter to transformers and the grid, often requiring XLPE insulation for higher voltage ratings. For large solar farms, aluminium conductor cables (NA2XY, NAYY) offer significant cost and weight advantages for long cable runs to substations.

ESLas instalaciones solares requieren diferentes tipos de cables para diferentes secciones del sistema. Los cables DC conectan los paneles al inversor, mientras que los cables AC transportan la energía convertida a la red.

繁中太陽能安裝需要不同類型的電纜用於系統的不同部分。直流電纜（如 H1Z2Z2-K）連接太陽能電池板到逆變器，工作在相對較低的電壓，但需要出色的抗紫外線和耐候性。交流電纜（如 N2XY、RZ1-K）將轉換後的電力從逆變器傳輸到變壓器和電網，通常需要 XLPE 絕緣以獲得更高的電壓等級。對於大型太陽能農場，鋁導體電纜（NA2XY、NAYY）在長距離到變電站的電纜敷設中提供顯著的成本和重量優勢。【說明：太陽能系統的直流側（電池板到逆變器）和交流側（逆變器到電網）對電纜有完全不同的要求，選擇正確的電纜對系統效率和安全性至關重要】

The H1Z2Z2-K cable is the primary DC interconnection cable for photovoltaic systems, connecting solar panels to combiner boxes and then to inverters. This cable must withstand extreme outdoor conditions including UV radiation, temperature cycling from -40°C to +90°C, and potential mechanical stress from installation and maintenance activities. The cross-linked (XLPE/XLPO) insulation and sheath provide exceptional durability and a 25-year service life matching the warranty period of modern solar panels.

ESEl cable H1Z2Z2-K es el cable de interconexión DC principal para sistemas fotovoltaicos, conectando paneles solares a cajas combinadoras y luego a inversores.

繁中H1Z2Z2-K 電纜是光伏系統的主要直流互連電纜，連接太陽能電池板到匯流箱，然後到逆變器。該電纜必須承受極端的戶外條件，包括紫外線輻射、-40°C 至 +90°C 的溫度循環，以及安裝和維護活動中可能的機械應力。交聯（XLPE/XLPO）絕緣和護套提供出色的耐久性和 25 年的使用壽命，與現代太陽能電池板的保修期相匹配。【說明：H1Z2Z2-K 的標識系統非常重要：H=協調標準，1=單芯，Z2=交聯彈性體絕緣，Z2=交聯彈性體護套，K=柔性導體。這種標識表明該電纜專門設計用於光伏應用】

After the inverter converts DC power to AC, different cable types are needed for grid connection. Copper conductor cables (N2XY, N2XH) provide excellent conductivity for shorter runs from inverters to transformers. Aluminium conductor cables (NA2XY, NA2XH, NAYY) offer cost-effective solutions for longer cable runs in large solar farms. The choice between PVC (Y) and halogen-free (H) sheathing depends on fire safety requirements, with LSZH cables mandatory in enclosed spaces and buildings.

ESDespués de que el inversor convierte la energía DC a AC, se necesitan diferentes tipos de cables para la conexión a la red. Los cables de conductor de cobre proporcionan excelente conductividad para tramos cortos.

繁中逆變器將直流電轉換為交流電後，需要不同類型的電纜進行電網連接。銅導體電纜（N2XY、N2XH）為從逆變器到變壓器的較短線路提供出色的導電性。鋁導體電纜（NA2XY、NA2XH、NAYY）為大型太陽能農場的長距離電纜敷設提供經濟有效的解決方案。PVC（Y）和無鹵素（H）護套之間的選擇取決於防火安全要求，LSZH 電纜在封閉空間和建築物中是強制性的。【說明：鋁導體電纜的成本約為銅導體的 60%，重量約為 50%，這使其成為大型太陽能項目長距離電纜的理想選擇】

The RZ1-K cable series is the Spanish national standard for low-smoke halogen-free cables, widely used in solar installations across Spain and Latin America. The “(AS)” suffix indicates enhanced fire performance for applications requiring higher safety levels. RZ1-K cables feature XLPE insulation with a polyolefin-based LSZH sheath, providing excellent electrical properties combined with minimal smoke and toxic fume emission in case of fire.

ESLa serie de cables RZ1-K es el estándar nacional español para cables libres de halógenos de bajo humo, ampliamente utilizados en instalaciones solares en España y América Latina. El sufijo “(AS)” indica rendimiento de fuego mejorado.

繁中RZ1-K 電纜系列是西班牙國家標準的低煙無鹵電纜，廣泛用於西班牙和拉丁美洲的太陽能安裝。”(AS)” 後綴表示需要更高安全級別的應用的增強防火性能。RZ1-K 電纜採用 XLPE 絕緣和聚烯烴基 LSZH 護套，提供優異的電氣性能，同時在發生火災時煙霧和有毒煙氣排放最少。【說明：RZ1-K 是西班牙 UNE 21123-4 標準的產品，在西班牙語國家市場具有重要影響力，特別是在拉丁美洲的太陽能項目中】

Solar cables serve the entire photovoltaic power generation chain, from small rooftop installations to utility-scale solar farms generating hundreds of megawatts. The integration of solar power with Battery Energy Storage Systems (BESS) creates additional cabling requirements for charge/discharge cycles and grid balancing. Large-scale installations also require medium voltage cables for connection to substations and the utility grid, often with DNO (Distribution Network Operator) approved specifications.

ESLos cables solares sirven a toda la cadena de generación de energía fotovoltaica, desde pequeñas instalaciones en tejados hasta granjas solares a escala de servicios públicos que generan cientos de megavatios.

繁中太陽能電纜服務於整個光伏發電鏈，從小型屋頂安裝到發電數百兆瓦的公用事業規模太陽能農場。太陽能發電與電池儲能系統（BESS）的集成為充放電週期和電網平衡創造了額外的電纜要求。大型安裝還需要中壓電纜連接到變電站和公用電網，通常需要 DNO（配電網絡運營商）批准的規格。