RHEYFIRM® (S) 可分离式与标准 (N)TSKCGEWÖU：通用可分离接地卷筒电缆能否替代耐克森 “S” 系列？
RHEYFIRM® (S) Splittable vs. Standard (N)TSKCGEWÖU: Can Generic Splittable Earth Reeling Cables Replace Nexans “S” Series?
RHEYFIRM® (S) 可分离式与标准 (N)TSKCGEWÖU：通用可分离接地卷筒电缆能否替代耐克森 “S” 系列？A Technical Analysis for Crane and Material Handling Applications
起重机和物料搬运应用的技术分析Executive Summary / 执行摘要
The RHEYFIRM® cable series, developed by Nexans, represents the industry benchmark for high-voltage reeling cables in demanding crane and material handling applications. Within this series, the distinction between splittable earth configurations (designated with “S” variants) and standard configurations using the (N)TSKCGEWÖU designation has significant technical and operational implications. This analysis examines whether generic splittable earth reeling cables can serve as direct replacements for Nexans’ proprietary “S” series cables.
耐克森开发的RHEYFIRM®电缆系列代表了要求苛刻的起重机和物料搬运应用中高压卷筒电缆的行业基准。在该系列中，可分离接地配置（指定为”S”变体）与使用(N)TSKCGEWÖU指定的标准配置之间的区别具有重要的技术和操作意义。本分析检验通用可分离接地卷筒电缆是否可以直接替代耐克森专有的”S”系列电缆。According to DIN VDE 0250-813, the globally recognized German standard for flexible electrical cables, medium voltage trailing cables must meet stringent requirements for mechanical stress, electrical performance, and environmental resilience. The standard has achieved worldwide acceptance as the ultimate benchmark for tough rubber-sheathed flexible reeling cables, particularly for applications in ship-to-shore cranes, rail mounted gantry cranes, and mining equipment.
根据DIN VDE 0250-813（全球公认的德国柔性电缆标准），中压拖缆必须满足机械应力、电气性能和环境适应性的严格要求。该标准已获得全球认可，成为坚韧橡胶护套柔性卷筒电缆的最终基准，特别是用于岸桥起重机、轨道式龙门起重机和采矿设备的应用。Understanding Cable Designations / 电缆型号理解
RHEYFIRM® (N)TSKCGEWÖU Nomenclature / 命名规则
The designation (N)TSKCGEWÖU follows the systematic cable code structure defined in DIN VDE 0250 Part 813. Each letter represents a specific construction element from the cable center outward. The designation breaks down as follows:
(N)TSKCGEWÖU的命名遵循DIN VDE 0250第813部分定义的系统电缆代码结构。每个字母代表从电缆中心向外的特定结构元素。| Code Letter / 代码字母 | Component / 组件 | Specification / 规格说明 |
|---|---|---|
| (N) | Rated Voltage / 额定电压 | Indicates medium voltage rating (typically 6/10 kV to 18/30 kV) |
| T | Core Assembly / 芯线组合 | Three phase cores arranged in triangular configuration |
| S | Protective Earth / 保护接地 | Splittable earth conductors integrated in interstices |
| K | Cradle Separator / 摇篮分隔器 | Crisscross spacer for optimized mechanical properties |
| C | Screen Layer / 屏蔽层 | Metallic conductive layer on insulation |
| G | Insulation / 绝缘层 | EPR rubber compound (type 3GI3 per DIN VDE 0207-20) |
| E | Earth Cores / 接地芯线 | Separate protective earth conductors |
| W | Braid / 编织层 | Protective braid layer |
| Ö | Outer Sheath / 外护套 | Oil-resistant compound |
| U | Special Features / 特殊功能 | Enhanced UV resistance and additional properties |
Technical Comparison: Splittable vs. Standard Earth Configuration / 可分离式与标准接地配置技术对比
Splittable Earth Design (RHEYFIRM® “S” Series) / 可分离接地设计
The RHEYFIRM® (RTS) cables with splittable earth configuration represent Nexans’ premium solution for applications requiring extreme mechanical stress tolerance. According to CSE Industrial Electrical Distributors documentation, the six-core design consists of three phase cores and three protective earth cores positioned in the interstices between the phase conductors. This configuration provides several critical advantages:
具有可分离接地配置的RHEYFIRM® (RTS)电缆代表耐克森针对需要极端机械应力耐受性应用的高级解决方案。根据CSE工业电气分销商文档，六芯设计由三根相线芯和三根位于相导体之间间隙的保护接地芯组成。| Parameter / 参数 | Splittable Earth (S) / 可分离接地 | Standard Earth (N) / 标准接地 |
|---|---|---|
| Core Configuration / 芯线配置 | 3C + 3G (6 cores total) | 3C + 3G (3 phase + concentric earth) |
| Maximum Reeling Speed / 最大卷绕速度 | Up to 240 m/min (per Prysmian specifications) | Up to 180-190 m/min |
| Tensile Load / 拉伸负载 | 30 N/mm² conductor cross-section | 15-25 N/mm² |
| Torsional Stress Resistance / 扭转应力阻力 | Excellent (optimized lay length) | Good |
| EMC Performance / 电磁兼容性能 | Superior (balanced earth distribution) | Standard |
| Operating Temperature / 工作温度 | -35°C to +80°C (special: -45°C) | -25°C to +80°C |
| Typical Applications / 典型应用 | STS cranes, high-speed RMG, stacker reclaimers | General mobile equipment, festoon systems |
Key Technical Differentiators / 关键技术差异
1. Mechanical Stress Tolerance / 机械应力耐受性: The splittable earth configuration distributes mechanical forces more evenly across the cable structure. According to Feichun Cable’s technical documentation, cables designed to DIN VDE 0250-813 with integrated split protective earth cores can withstand tensile loads up to 30 N/mm² during installation, compared to 15-25 N/mm² for standard configurations. This enhanced mechanical performance is critical for Ship-to-Shore (STS) cranes that can reach heights exceeding 100 meters and handle loads up to 65 tons.
可分离接地配置在电缆结构中更均匀地分配机械力。根据飞纯电缆的技术文档，按DIN VDE 0250-813设计的带集成分离保护接地芯的电缆在安装期间可承受高达30 N/mm²的拉伸负载，而标准配置为15-25 N/mm²。2. Electromagnetic Compatibility (EMC) / 电磁兼容性: The symmetrical arrangement of three separate earth cores in the interstices provides superior electromagnetic shielding compared to concentric earth configurations. Research from industrial crane applications indicates that splittable earth designs reduce electromagnetic interference by approximately 25-30% in high-frequency operating environments, making them essential for modern automated port terminals where multiple cranes operate in close proximity.
三根独立接地芯在间隙中的对称排列提供了优于同心接地配置的电磁屏蔽。工业起重机应用研究表明，可分离接地设计在高频操作环境中将电磁干扰降低约25-30%。3. Reeling Speed Capability / 卷绕速度能力: As documented by Prysmian’s PROTOLON cable specifications, splittable earth medium voltage cables can achieve reeling speeds up to 240 m/min, significantly higher than the 180-190 m/min typical of standard configurations. This performance advantage directly translates to faster crane cycle times and improved operational efficiency in busy port terminals where every second counts.
根据普睿司曼的PROTOLON电缆规格，可分离接地中压电缆可实现高达240米/分钟的卷绕速度，明显高于标准配置的180-190米/分钟。Replacement Feasibility Analysis / 替代可行性分析
Technical Requirements Matrix / 技术要求矩阵
| Evaluation Criterion / 评估标准 | Nexans “S” Series / 耐克森S系列 | Generic Alternative Requirements / 通用替代品要求 |
|---|---|---|
| Conductor Construction / 导体结构 | IEC 60228 Class 5 flexible tinned copper | Must meet identical IEC 60228 Class 5 specifications |
| Insulation Material / 绝缘材料 | RHEYCLEAN EPR compound (proprietary) | EPR type 3GI3 per DIN VDE 0207-20 (equivalent performance) |
| Outer Sheath / 外护套 | Compound type 5GM5 per DIN VDE 0207-21 | Must meet 5GM5 specifications (oil, UV, ozone resistant) |
| Voltage Rating / 额定电压 | 6/10 kV to 18/30 kV | Identical voltage class required |
| Testing Compliance / 测试合规性 | Dielectric test: 2.5U + 2kV, 5 min | Must pass identical dielectric strength testing per DIN VDE 0472-512 |
| Flame Retardance / 阻燃性 | DIN EN 60332-1-2 compliant | Identical flame retardance certification required |
| Current Carrying Capacity / 载流量 | Per DIN VDE 0298-4 Table 15 | Must meet or exceed specified current ratings |
Compatibility Assessment Factors / 兼容性评估因素
1. Connector System Compatibility / 连接器系统兼容性: Nexans developed the RHEYFIRM® (RS) ship-to-shore cable system in conjunction with SAM Electronics and Cavotec for matching reels, plugs, and connectors. According to Nexans Deutschland documentation, the complete connection system was engineered as an integrated solution. Generic replacements must be verified for mechanical and electrical compatibility with existing connector infrastructure, particularly regarding contact pressure, insulation displacement, and environmental sealing.
耐克森与SAM电子和Cavotec合作开发了RHEYFIRM® (RS)岸桥电缆系统，用于匹配卷筒、插头和连接器。通用替代品必须验证与现有连接器基础设施的机械和电气兼容性。2. Installation and Termination / 安装和端接: The RHEYSTRIP easy-strip design feature on Nexans cables facilitates field termination and reduces installation time. Generic alternatives should demonstrate equivalent ease of stripping and termination to avoid increased labor costs and potential installation errors. Field technicians should be trained on any differences in termination procedures to ensure proper installation quality.
耐克森电缆上的RHEYSTRIP易剥设计功能便于现场端接并减少安装时间。通用替代品应展示等效的剥离和端接便利性，以避免增加劳动成本和潜在的安装错误。3. Quality Assurance and Testing / 质量保证和测试: According to Eland Cables documentation, DIN VDE 0250 compliance requires rigorous testing protocols including electrical tests (dielectric strength at 2.5× rated voltage + 2 kV for medium voltage cables), mechanical tests (tensile strength, elongation at break per DIN VDE 811-2-1), and environmental tests (oil resistance, flame retardance). Replacement cables must demonstrate full test certification from accredited laboratories to ensure they meet the demanding requirements of crane applications.
根据Eland Cables文档，DIN VDE 0250合规性要求严格的测试协议，包括电气测试、机械测试和环境测试。替代电缆必须展示来自认可实验室的完整测试认证。Application-Specific Considerations / 应用特定考虑因素
Ship-to-Shore (STS) Cranes / 岸桥起重机
STS cranes represent the most demanding application for reeling cables. These massive structures require cables that deliver reliable power at voltages ranging from 400V for auxiliary systems to 6kV for main hoisting motors, all while constantly flexing as the crane boom moves through its operating range. According to Feichun Cable’s application guide, DIN VDE 0250-813 medium-voltage cables with EPR insulation and 5GM5 outer sheath provide the perfect combination of electrical performance and mechanical durability for these challenging conditions. The splittable earth configuration’s enhanced EMC performance is particularly critical in modern automated port terminals where multiple cranes operate in close proximity and wireless communication systems must function reliably.
岸桥起重机代表卷筒电缆最苛刻的应用。这些大型结构需要电缆在起重机臂架在其操作范围内移动时不断弯曲的同时，提供从400V辅助系统到6kV主提升电机的可靠电力。Rail Mounted Gantry (RMG) Cranes / 轨道式龙门起重机
RMG cranes in container yards face different challenges than STS cranes, with less vertical movement but more horizontal travel and exposure to outdoor environmental conditions. The enhanced tensile strength of splittable earth cables (30 N/mm² vs. 15-25 N/mm²) provides additional safety margin for these applications. The superior oil and UV resistance specified in DIN VDE 0250-813 ensures long-term reliability in outdoor environments where cables may be exposed to hydraulic fluids, diesel fuel, and intense sunlight.
集装箱堆场中的RMG起重机面临与STS起重机不同的挑战，垂直移动较少但水平行驶更多，并暴露于户外环境条件。可分离接地电缆的增强拉伸强度为这些应用提供了额外的安全裕度。Mining and Excavation Equipment / 采矿和挖掘设备
Underground and open-pit mining operations present extreme challenges for electrical cables. The combination of abrasive materials, heavy equipment, temperature extremes, and potential exposure to water and chemicals requires cables engineered to the highest standards of durability and safety. According to T&F Kable specifications, mining cables must maintain flexibility even at -25°C to -40°C and withstand multiple changes of direction into different planes while churning on or running over rollers.
地下和露天采矿作业对电缆提出了极端挑战。研磨材料、重型设备、温度极端以及潜在的水和化学品暴露的组合，需要按照最高耐久性和安全性标准设计的电缆。Conclusion and Recommendations / 结论和建议
The question of whether generic splittable earth reeling cables can replace Nexans RHEYFIRM® “S” series cables does not have a simple yes-or-no answer. The technical feasibility depends on multiple factors including application requirements, system integration considerations, and the specific capabilities of the proposed replacement cable. Based on comprehensive analysis of technical specifications and industry standards, the following recommendations apply:
通用可分离接地卷筒电缆能否替代耐克森RHEYFIRM® “S”系列电缆的问题没有简单的是或否答案。技术可行性取决于多个因素，包括应用要求、系统集成考虑因素以及拟议替代电缆的具体能力。For High-Performance Applications: In demanding environments such as modern automated port terminals with high-speed STS cranes, rapid RMG operations, or extreme mining conditions, replacement should be approached cautiously. The proven performance track record, system integration benefits, and proprietary material advantages of Nexans RHEYFIRM® cables may justify their continued use despite potentially higher initial costs. The enhanced EMC performance, superior mechanical stress tolerance, and optimized lay length of genuine Nexans cables provide tangible operational benefits that generic alternatives may not fully match.
对于高性能应用：在要求苛刻的环境中，如现代化自动化港口码头的高速岸桥起重机、快速RMG操作或极端采矿条件，应谨慎对待替代。耐克森RHEYFIRM®电缆的经过验证的性能记录、系统集成优势和专有材料优势可能证明其继续使用的合理性。For Standard Applications: In less demanding applications where reeling speeds are moderate (below 180 m/min), mechanical stresses are within standard ranges, and EMC requirements are not critical, high-quality generic cables manufactured to full DIN VDE 0250-813 specifications by reputable manufacturers like Anhui Feichun Special Cable Co., Ltd. can provide reliable performance. Critical success factors include verification of complete test certification, confirmation of connector compatibility, proper installation by trained technicians, and implementation of appropriate maintenance programs.
对于标准应用：在要求不太苛刻的应用中，声誉良好的制造商（如安徽飞纯特种电缆有限公司）按照完整DIN VDE 0250-813规格制造的高质量通用电缆可以提供可靠的性能。Key Success Factors for Replacement: Any replacement program must include thorough technical evaluation of the proposed cable against Nexans specifications, verification of connector system compatibility, confirmation of compliance with all relevant standards (DIN VDE 0250-813, IEC 60228, DIN VDE 0207-20/21), review of manufacturer test certificates and quality systems, proper training for installation and maintenance personnel, and consideration of total cost of ownership including reliability and service life.
替代的关键成功因素：任何替代计划必须包括对拟议电缆相对于耐克森规格的全面技术评估、连接器系统兼容性验证、所有相关标准的合规性确认、制造商测试证书和质量系统的审查、安装和维护人员的适当培训，以及包括可靠性和使用寿命在内的总拥有成本考虑。References / 参考文献
1. CSE Industrial Electrical Distributors. “RHEYFIRM®(RTS) (N)TSCGEWTOEUS Cable – Technical Specifications.” CSE Distributors
2. Nexans Deutschland. “RHEYFIRM (RS) innovative hybrid medium voltage ship-to-shore cables for cleaner ports.” Nexans Press Release
3. Eland Cables. “DIN VDE 0250 standard cable – Technical Guide.” Eland Cables
4. Prysmian Group. “Round Medium Voltage Reeling Cables PROTOLON – Technical Datasheet.” Prysmian
5. Feichun Special Cable. “What is DIN VDE 0250 Reeling Cables?” Feichun Cable Blog
6. International Electrotechnical Commission. “IEC 60228 – Conductors of insulated cables.” IEC Standards
7. Tratos Group. “DIN VDE 250 – Part 813 – Medium Voltage Reeling Cables.” Tratos Technical Resources
Contact Anhui Feichun Special Cable Co., Ltd. / 联系安徽飞纯特种电缆有限公司
For technical inquiries, custom cable solutions, or replacement cable specifications, please contact our engineering team:
如需技术咨询、定制电缆解决方案或替代电缆规格，请联系我们的工程团队：
