(N)TSCGEWÖU中的字母”C”与(N)TSKCGEWÖU中的”K”分别代表什么含义？
What Does the Letter “C” Indicate in (N)TSCGEWÖU Versus “K” in (N)TSKCGEWÖU?
(N)TSCGEWÖU中的字母”C”与(N)TSKCGEWÖU中的”K”分别代表什么含义？
Understanding VDE Medium Voltage Reeling Cable Nomenclature
理解VDE中压卷筒电缆命名法
Medium voltage reeling cables conforming to DIN VDE 0250-813 employ a systematic letter coding system that communicates precise information about cable construction, materials, and performance characteristics. Within this nomenclature, each letter position corresponds to a specific structural element or material property, enabling engineers to identify critical design features at a glance.[1][2]
符合DIN VDE 0250-813标准的中压卷筒电缆采用系统性的字母编码系统，传达电缆结构、材料和性能特性的精确信息。在该命名法中，每个字母位置对应特定的结构元素或材料属性，使工程师能够一目了然地识别关键设计特征。
The distinction between (N)TSCGEWÖU and (N)TSKCGEWÖU lies in the presence or absence of the letter “K,” which represents a significant structural enhancement in the cable’s core design. Understanding this difference is essential for selecting the appropriate cable for specific mechanical loading conditions in crane, mining, and material handling applications.[3][4]
(N)TSCGEWÖU与(N)TSKCGEWÖU之间的区别在于字母”K”的存在与否，”K”代表电缆芯部设计的重要结构增强。理解这一差异对于为起重机、采矿和物料搬运应用中的特定机械负载条件选择合适的电缆至关重要。
Decoding the Cable Designations
解码电缆型号标识
(N)National standard with concentric earth arrangement / 国家标准，带同心接地布置
TTinned copper conductors / 镀锡铜导体
SSemiconductive screening layers / 半导电屏蔽层
CConcentric earth/screening conductor / 同心接地/屏蔽导体
GEPR (Ethylene Propylene Rubber) insulation / EPR乙丙橡胶绝缘
EEPR-based inner sheath / EPR基内护套
WAnti-torsion woven braid / 抗扭编织层
ÖEnhanced oil resistance / 增强耐油性
UReinforced for outdoor/extreme use / 加强型户外/极端环境使用
(N)National standard with concentric earth arrangement / 国家标准，带同心接地布置
TTinned copper conductors / 镀锡铜导体
SSemiconductive screening layers / 半导电屏蔽层
KCrisscross/Cradle spacer element / 交叉/摇篮式间隔元件
CConcentric earth/screening conductor / 同心接地/屏蔽导体
GEPR (Ethylene Propylene Rubber) insulation / EPR乙丙橡胶绝缘
EEPR-based inner sheath / EPR基内护套
WAnti-torsion woven braid / 抗扭编织层
ÖEnhanced oil resistance / 增强耐油性
UReinforced for outdoor/extreme use / 加强型户外/极端环境使用
The “C” Designation: Concentric Conductor Screening
“C”标识：同心导体屏蔽
The letter C in VDE cable codes designates the presence of a concentric copper conductor (German: Konzentrische Kupferleiter). This structural element serves multiple critical functions in medium voltage reeling cables operating under demanding industrial conditions.[5][6]
VDE电缆编码中的字母”C”表示存在同心铜导体（德语：Konzentrische Kupferleiter）。该结构元件在苛刻工业条件下运行的中压卷筒电缆中发挥多种关键功能。
| Function 功能 | Technical Description 技术描述 | Benefit 优势 |
|---|---|---|
| Electrical Field Control 电场控制 | Provides uniform distribution of electrical stress around insulated conductors | Prevents voltage stress concentrations; extends insulation life 防止电压应力集中；延长绝缘寿命 |
| Earth Return Path 接地回路 | Creates low-impedance fault current path symmetrically arranged around cable core | Rapid fault clearance; personnel safety 快速故障清除；人员安全 |
| EMI Shielding 电磁干扰屏蔽 | Forms effective Faraday cage when properly grounded at both ends | Reduces electromagnetic interference; protects sensitive equipment 减少电磁干扰；保护敏感设备 |
| Fault Detection 故障检测 | Enables monitoring for insulation damage through earth fault detection systems | Predictive maintenance capability; reduced downtime 预测性维护能力；减少停机时间 |
In the context of DIN VDE 0250-813 medium voltage reeling cables, the concentric conductor is typically split into segments positioned in the interstices between power cores. This arrangement ensures uniform current distribution during fault conditions while maintaining cable flexibility for dynamic applications.[7][8]
在DIN VDE 0250-813中压卷筒电缆的背景下，同心导体通常分成若干段，布置在电力芯线之间的间隙中。这种布置确保了故障条件下的均匀电流分布，同时保持电缆在动态应用中的柔性。
The “K” Designation: Crisscross/Cradle Spacer Element
“K”标识：交叉/摇篮式间隔元件
The letter K designates a crisscross spacer or cradle separator (German: Kreuzverseilungselement or Korbseile) integrated into the cable core structure. This mechanical enhancement represents a significant upgrade in cable construction for applications requiring extreme tensile strength and anti-torsion properties.[3][4][9]
字母”K”表示集成在电缆芯部结构中的交叉间隔元件或摇篮式分离器（德语：Kreuzverseilungselement或Korbseile）。这种机械增强代表了对需要极端拉伸强度和抗扭性能应用的电缆结构的重大升级。
| Function 功能 | Technical Description 技术描述 | Benefit 优势 |
|---|---|---|
| Geometry Maintenance 几何形状保持 | Maintains conductor spacing and circular cable profile under tensile loads | Prevents core deformation; maintains electrical properties 防止芯部变形；保持电气性能 |
| Tensile Load Support 拉伸负载支撑 | Kevlar/aramid fiber reinforcement provides tensile strength up to 30 N/mm² | Supports cable weight across long spans; withstands dynamic acceleration 支撑长跨度电缆重量；承受动态加速 |
| Anti-Torsion Protection 抗扭保护 | Prevents “corkscrew effect” and cable twist during reeling operations | Extends flex life; prevents internal damage 延长弯曲寿命；防止内部损伤 |
| Core Stability 芯部稳定性 | Resists compression and lateral forces during high-speed drum winding | Reliable operation at speeds up to 300 m/min 在高达300米/分钟的速度下可靠运行 |
摇篮式间隔元件在采矿电缆中尤为关键，因为拉伸负载可能超过30 N/mm²。如果没有”K”元件，电缆在挖掘机、拖线挖掘机和隧道掘进机应用中典型的极端机械应力条件下可能会出现导体迁移、绝缘压缩和过早电气故障。
Direct Comparison: (N)TSCGEWÖU vs. (N)TSKCGEWÖU
直接对比：(N)TSCGEWÖU与(N)TSKCGEWÖU
| Parameter 参数 | (N)TSCGEWÖU | (N)TSKCGEWÖU |
|---|---|---|
| Core Element Designation 芯部元件标识 | C – Concentric conductor only | KC – Cradle spacer + Concentric conductor |
| Structural Reinforcement 结构增强 | Standard core construction | Kevlar/aramid cradle separator |
| Maximum Tensile Load 最大拉伸负载 | 15 N/mm² (per DIN VDE 0298-3) | Up to 30 N/mm² (enhanced) |
| Recommended Speed 推荐速度 | Up to 180-240 m/min | Up to 300 m/min (high-speed applications) |
| Torsion Resistance 抗扭性能 | Standard (with W-braid) | Enhanced (K-spacer + W-braid) |
| Primary Applications 主要应用 | Standard crane operations, moderate mechanical stress | Heavy mining, high-speed cranes, extreme mechanical stress |
| Cable Outer Diameter 电缆外径 | Standard | Slightly larger (due to K-element) |
| Cost Factor 成本因素 | Standard pricing | Premium (enhanced construction) |
Application Selection Guidelines
应用选型指南
Select (N)TSCGEWÖU When: / 选择(N)TSCGEWÖU的情况：
Standard mechanical loads are anticipated (≤15 N/mm²); operating speeds are moderate (≤180 m/min); applications include conventional port cranes, material handling equipment with standard duty cycles, and installations where cost optimization is a priority without compromising essential electrical screening requirements.
预计机械负载为标准级别（≤15 N/mm²）；运行速度适中（≤180 m/min）；应用包括常规港口起重机、标准工作周期的物料搬运设备，以及在不影响基本电气屏蔽要求的情况下优先考虑成本优化的安装。
Select (N)TSKCGEWÖU When: / 选择(N)TSKCGEWÖU的情况：
Extreme mechanical stresses are expected (up to 30 N/mm²); high-speed reeling operations exceed 240 m/min; applications include large draglines, bucket-wheel excavators, automated high-speed container cranes, and tunnel boring machines where cable spans may exceed 100 meters and dynamic acceleration forces are severe.
预计极端机械应力（高达30 N/mm²）；高速卷筒操作超过240 m/min；应用包括大型拖线挖掘机、斗轮挖掘机、自动化高速集装箱起重机和隧道掘进机，其中电缆跨度可能超过100米，动态加速力严重。
| Industry / Application 行业/应用 | Recommended Cable 推荐电缆 | Key Requirement 关键要求 |
|---|---|---|
| Port STS Cranes (Standard) 港口岸桥（标准型） | (N)TSCGEWÖU | Reliable screening, moderate speed |
| Automated RTG/ASC Cranes 自动化RTG/ASC起重机 | (N)TSKCGEWÖU | High speed (>240 m/min), intensive cycling |
| Open-Pit Mining Excavators 露天采矿挖掘机 | (N)TSKCGEWÖU | Extreme tensile loads, long cable spans |
| Dragline Operations 拖线挖掘机作业 | (N)TSKCGEWÖU | Maximum tensile strength (30 N/mm²) |
| Tunnel Boring Machines 隧道掘进机 | (N)TSKCGEWÖU | Combined tensile and torsional stress |
| Standard Material Handling 标准物料搬运 | (N)TSCGEWÖU | Cost-effective solution, standard duty |
Relevant Standards and Specifications
相关标准与规范
| Standard 标准 | Description 描述 | Relevance 相关性 |
|---|---|---|
| DIN VDE 0250-813 | Medium voltage trailing and reeling cables | Primary construction standard 主要结构标准 |
| DIN VDE 0295 / IEC 60228 | Conductor classes for cables | Conductor flexibility requirements 导体柔性要求 |
| DIN VDE 0207-20/21 | Rubber compounds for insulation and sheathing | EPR insulation (3GI3), sheath compounds (5GM3/5GM5) EPR绝缘，护套化合物 |
| DIN VDE 0298-3/4 | Application of cables – Current ratings, bending radii | Installation and tensile load limits 安装和拉伸负载限制 |
| EN 60811-404 | Oil immersion test for sheaths | Oil resistance verification (Ö designation) 耐油性验证（Ö标识） |
| HD 620 S2 | Harmonized document for trailing cables | European harmonization 欧洲协调标准 |
Conclusion
结论
The distinction between “C” (Concentric Conductor) and “K” (Crisscross/Cradle Spacer) in VDE medium voltage reeling cable designations represents a fundamental difference in mechanical construction philosophy. The “C” element provides essential electrical screening and earth return functionality present in both cable types, while the “K” element adds a structural reinforcement layer specifically engineered for extreme mechanical loading conditions.
“C”（同心导体）和”K”（交叉/摇篮式间隔元件）在VDE中压卷筒电缆标识中的区别代表了机械结构理念的根本差异。”C”元件提供两种电缆类型都具备的基本电气屏蔽和接地回路功能，而”K”元件则增加了专门为极端机械负载条件设计的结构增强层。
For applications requiring standard mechanical performance with reliable electrical screening, (N)TSCGEWÖU provides a cost-effective solution. For demanding applications involving extreme tensile loads, high-speed operations, and severe dynamic stresses, (N)TSKCGEWÖU with its integrated cradle spacer offers the enhanced mechanical performance necessary for reliable long-term operation.
对于需要标准机械性能和可靠电气屏蔽的应用，(N)TSCGEWÖU提供了经济有效的解决方案。对于涉及极端拉伸负载、高速操作和严重动态应力的苛刻应用，带有集成摇篮式间隔元件的(N)TSKCGEWÖU提供了可靠长期运行所需的增强机械性能。
Technical Consultation / 技术咨询
Anhui Feichun Special Cable Co., Ltd. provides expert guidance on medium voltage reeling cable selection, custom cable design for mining and port applications, and VDE-compliant cable solutions.
安徽飞纯特种电缆有限公司为中压卷筒电缆选型、采矿和港口应用定制电缆设计以及VDE合规电缆解决方案提供专业指导。
References / 参考文献
- [1] Prysmian Group, “Round Medium Voltage Reeling Cables PROTOLON,” Technical Datasheet. prysmian.com
- [2] FABER Kabel, “Type Designation Code for Cables,” Technical Documentation. faberkabel.de
- [3] Feichun Special Cable, “What is DIN VDE 0250 Reeling Cables?” Technical Blog. feichuncables.com
- [4] Feichun Special Cable, “DIN VDE 0250 – Reeling & Trailing Cables for Cranes & Mining.” feichuncables.com
- [5] Eland Cables, “DIN VDE Standard Cable.” elandcables.com
- [6] Bayka – Bayerische Kabelwerke AG, “Type Designation Codes.” bayka.de
- [7] Tratos Group, “TRATOSFLEX-ESDB Reeling Cable.” tratosgroup.com
- [8] Power and Cables, “Protolon Cable (N)TSKCGEWOEU – Prysmian MV Flexible Trailing Cables.” powerandcables.com
- [9] HuaDong Cable Group, “(N)TSCGEWÖEU (N)TSCGEWÖU Cable.” hdcablegroup.com
- [10] GlobalSpec, “DIN VDE 0250-813 – Cables, Wires and Flexible Cords for Power Installation; Trailing Cable.” globalspec.com
