什麼是 FELTOFLEX NTMCWOEU 3.6/6KV 超柔性單芯中壓橡膠電纜？
What is FELTOFLEX NTMCWOEU 3.6/6KV Ultra-Bendable Single Core MV Cable?
什麼是 FELTOFLEX NTMCWOEU 3.6/6KV 超柔性單芯中壓橡膠電纜？
1. Product Overview / 產品概述
The FELTOFLEX NTMCWOEU 3.6/6KV represents a revolutionary advancement in medium voltage cable technology, engineered specifically for applications requiring extreme flexibility and minimal bending radius. As documented in industry technical resources[1], these ultra-bendable single-core cables constitute highly flexible connections for switchgear, transformers, generators, and motors in the medium voltage range.
Manufactured in accordance with DIN VDE 0250-813 standards, FELTOFLEX cables are intended for use as connections in switch-gear or transformer houses where very small bending radius is required. The cable’s exceptional flexibility enables deployment in festoon systems operating at speeds up to 120 m/min, making it the preferred choice for shiftable units, large drives, and mobile transformers.
產品概述
FELTOFLEX NTMCWOEU 3.6/6KV 代表了中壓電纜技術的革命性進步，專為需要極端柔性和最小彎曲半徑的應用而設計。根據行業技術資源文獻[1]，這些超柔性單芯電纜構成了開關設備、變壓器、發電機和電動機在中壓範圍內的高度柔性連接。
按照 DIN VDE 0250-813 標準製造，FELTOFLEX 電纜專為需要極小彎曲半徑的開關設備或變壓器房連接而設計。該電纜卓越的柔性使其能夠部署於運行速度高達 120 m/min 的滑觸線系統中，是可移動設備、大型驅動裝置和移動式變壓器的首選方案。
2. Cable Designation Decoding / 電纜型號解析
Understanding the cable nomenclature “NTMCWOEU” is essential for proper specification and application matching. Each element conveys specific construction and performance characteristics according to German cable coding conventions:
| Code 代碼 | Meaning (EN) | 含義 (繁中) | Technical Significance |
|---|---|---|---|
| N | National standard compliant | 符合國家標準 | DIN VDE compliance |
| T | Trailing cable / flexible application | 拖曳電纜/柔性應用 | Dynamic movement capability |
| M | Medium voltage rated | 中壓額定 | 3.6/6kV to 20/35kV range |
| C | Concentric conductor (screen) | 同心導體（屏蔽） | EMC protection, earth conductor |
| W | Weather/water resistant | 耐候/耐水 | Outdoor installation capable |
| O | Oil resistant outer sheath | 耐油外護套 | Hydrocarbon resistance |
| E | Easy-strip semiconductive layer | 易剝離半導體層 | Cold strippable without heating |
| U | Universal/underground application | 通用/地下應用 | Versatile installation |
了解電纜命名規則 “NTMCWOEU” 對於正確規格選型和應用匹配至關重要。每個字母根據德國電纜編碼慣例傳達特定的結構和性能特徵。”FELTOFLEX” 品牌名稱強調該電纜系列的超柔性特性。
3. Electrical Parameters / 電氣參數
The electrical performance specifications of FELTOFLEX NTMCWOEU are calibrated for medium voltage power transmission in switchgear interconnections and mobile transformer applications. The 3.6/6 kV rating follows the international U₀/U format[2], ensuring compatibility with both grounded and ungrounded electrical systems.
電氣參數說明
FELTOFLEX NTMCWOEU 的電氣性能規格為開關設備互連和移動式變壓器應用中的中壓電力傳輸而精確校準。3.6/6 kV 額定電壓遵循國際 U₀/U 格式[2]，確保與接地和非接地電氣系統兼容。FELTOFLEX 的熱短路容量與 XLPE 電纜相同，可選擇相同截面積進行等效應用。
4. Thermal Performance Specifications / 熱性能規格
The thermal characteristics of FELTOFLEX NTMCWOEU accommodate both fixed installation and dynamic flexible operation scenarios, with optimized temperature ranges for each application type.
| Parameter 參數 | Value 數值 | Unit 單位 | Application Notes 應用說明 |
|---|---|---|---|
| Max. Conductor Temperature 最大導體溫度 | 90 | °C | Continuous operation 連續運行 |
| Short Circuit Temperature 短路溫度 | 250 | °C | Equivalent to XLPE cable 與XLPE電纜相同 |
| Fixed Installation Ambient (Min) 固定安裝環境溫度（最低） | -40 | °C | Arctic climate operations 極寒氣候作業 |
| Fixed Installation Ambient (Max) 固定安裝環境溫度（最高） | +80 | °C | High-temperature industrial zones 高溫工業區 |
| Flexible Installation Ambient (Min) 柔性安裝環境溫度（最低） | -25 | °C | Dynamic bending operations 動態彎曲作業 |
| Flexible Installation Ambient (Max) 柔性安裝環境溫度（最高） | +80 | °C | Mobile equipment applications 移動設備應用 |
熱性能規格說明
FELTOFLEX NTMCWOEU 的熱特性適應固定安裝和動態柔性操作場景，針對每種應用類型優化了溫度範圍。值得注意的是，柔性安裝的最高環境溫度與固定安裝相同（+80°C），這體現了該電纜在高溫環境下的卓越柔性性能。
5. Ultra-Bendable Mechanical Performance / 超柔性機械性能
The defining characteristic of FELTOFLEX NTMCWOEU is its exceptional bending capability—significantly superior to conventional medium voltage cables. According to DIN VDE 0298-3 requirements[3], the cable achieves remarkably small bending radii while maintaining full electrical integrity.
Ultra-Bendable Performance Advantage 超柔性性能優勢
FELTOFLEX cables achieve bending radii as small as 5× outer diameter under load conditions—tested with continuous AC voltage application from 35 kV progressively increased to 85 kV without damage to cable or terminations. This exceptional flexibility enables installation in extremely confined spaces where conventional MV cables cannot be deployed.
| Parameter 參數 | Specification 規格 | Standard Reference 標準參考 |
|---|---|---|
| Bending Radius (Fixed Installation) 彎曲半徑（固定安裝） | 6 × D | DIN VDE 0298-3 |
| Bending Radius (Flexible Operation) 彎曲半徑（柔性操作） | 10 × D | DIN VDE 0298-3 |
| Minimum Tested Bending Radius 最小測試彎曲半徑 | 5 × D | Voltage test up to 85 kV |
| Permanent Tensile Strength 永久拉伸強度 | 15 N/mm² | DIN VDE specification |
| Maximum Festoon System Speed 最大滑觸線系統速度 | 120 m/min | Dynamic operation |
超柔性機械性能說明
FELTOFLEX NTMCWOEU 的顯著特徵是其卓越的彎曲能力——明顯優於傳統中壓電纜。根據 DIN VDE 0298-3 要求[3]，該電纜在保持完整電氣完整性的同時實現極小的彎曲半徑。經測試，在持續施加交流電壓從 35 kV 逐步增加到 85 kV 的條件下，彎曲半徑可小至外徑的 5 倍，電纜和端接均無損壞。
6. Cable Construction Details / 電纜結構詳情
The sophisticated multi-layer construction of FELTOFLEX NTMCWOEU is achieved through a triple extrusion process, resulting in a partial discharge-free assembly. Each layer is precisely engineered to contribute to the cable’s exceptional flexibility while maintaining superior electrical performance.
| Layer 層級 | Material 材料 | Function (EN) | 功能 (繁中) |
|---|---|---|---|
| Conductor 導體 | Finely stranded copper, tinned, Class 5 | Maximum flexibility, current transmission | 最大柔性、電流傳輸 |
| Inner Semiconductive Layer 內半導體層 | Semi-conductive EPR | Electric field uniformity, PD-free operation | 電場均勻化、無局部放電 |
| Core Insulation 芯線絕緣 | EPR rubber – Special compound 3GI3 | Dielectric strength, extreme flexibility | 介電強度、極端柔性 |
| Outer Semiconductive Layer 外半導體層 | Semi-conductive NBR (Easy-Strip) | Cold strippable without heating | 無需加熱即可冷剝離 |
| Screen 屏蔽層 | Tinned copper wire screen | EMC protection, concentric earth conductor | 電磁兼容保護、同心接地導體 |
| Outer Sheath 外護套 | Polychloroprene (PCP) – Special compound 5GM5 | Abrasion, oil, UV, ozone resistance | 耐磨、耐油、抗紫外線、耐臭氧 |
電纜結構詳情
FELTOFLEX NTMCWOEU 的精密多層結構通過三重擠出工藝實現，形成無局部放電的組件。每一層都經過精確設計，在保持卓越電氣性能的同時賦予電纜卓越的柔性。外半導體層採用易剝離 NBR 材料，可在不加熱的情況下進行冷剝離，大大簡化了現場端接工作。
7. Environmental Resistance Properties / 環境耐受性能
FELTOFLEX NTMCWOEU demonstrates comprehensive environmental resistance characteristics, enabling reliable operation in diverse industrial conditions including switchgear houses, outdoor transformer stations, and mobile power applications.
- Flame Retardant 阻燃: EN/IEC 60332-1-2 compliant, self-extinguishing properties
- Oil Resistant 耐油: Hydraulic fluids, lubricants, petroleum products per IEC 60811-404
- Ozone Resistant 耐臭氧: Long-term outdoor exposure without degradation
- UV Resistant 抗紫外線: Outdoor installation capability without sheath degradation
- GOST-R/-K/-B Certified GOST認證: Fire certificate of Russian Federation
- Easy-Strip Technology 易剝離技術: Outer semiconductive layer removable without heating
環境耐受性能說明
FELTOFLEX NTMCWOEU 展現出全面的環境耐受特性，能夠在包括開關設備房、室外變壓器站和移動電力應用在內的各種工業條件下可靠運行。5GM5 特種 PCP 化合物外護套提供卓越的耐磨損、耐油、抗紫外線和耐臭氧性能。GOST-R/-K/-B 認證確保符合俄羅斯聯邦消防要求。
8. Product Specifications Table / 產品規格表
The following table presents available configurations for the FELTOFLEX NTMCWOEU 3.6/6KV series. Cross-section selection depends on current carrying requirements and installation space constraints.
| Construction 結構 | Cond. Ø (mm) | Insul. Ø (mm) | Cable Ø Min (mm) | Cable Ø Max (mm) | Bend Moving (mm) | Bend Fix (mm) | Weight (kg/km) |
|---|---|---|---|---|---|---|---|
| 1×25/16KON | 6.2 | 14.6 | 19.1 | 21.6 | 216 | 130 | 750 |
| 1×35/16KON | 7.5 | 15.9 | 20.4 | 22.9 | 229 | 137 | 850 |
| 1×50/16KON | 9.0 | 17.4 | 21.8 | 24.3 | 243 | 146 | 1000 |
| 1×70/16KON | 10.6 | 19.0 | 23.5 | 26.0 | 260 | 156 | 1250 |
| 1×95/16KON | 12.6 | 21.0 | 26.1 | 28.6 | 286 | 172 | 1500 |
| 1×120/16KON | 14.8 | 23.2 | 28.1 | 30.6 | 306 | 184 | 1800 |
| 1×150/25KON | 16.0 | 24.4 | 29.4 | 31.9 | 319 | 191 | 2150 |
| 1×185/25KON | 17.7 | 26.1 | 32.2 | 34.7 | 347 | 208 | 2550 |
| 1×240/25KON | 20.3 | 28.7 | 34.8 | 37.3 | 373 | 224 | 3100 |
| 1×300/25KON | 22.5 | 30.9 | 38.0 | 40.5 | 405 | 243 | 3750 |
| 1×400/35KON | 27.5 | 35.9 | 43.0 | 46.0 | 460 | 276 | 4800 |
產品規格說明
上表展示了 FELTOFLEX NTMCWOEU 3.6/6KV 系列的可用配置。截面選擇取決於載流量要求和安裝空間限制。從 1×25mm² 到 1×400mm² 的範圍涵蓋了大多數開關設備和變壓器連接應用需求。彎曲半徑數據（移動/固定）直接體現了該電纜系列的超柔性特性。
9. Application Scenarios / 應用場景
The ultra-bendable characteristics of FELTOFLEX NTMCWOEU make it the ideal solution for applications where conventional medium voltage cables cannot be deployed due to space constraints or dynamic movement requirements. As documented in professional reeling cable resources[4], these cables excel in the most demanding MV connection scenarios.
Primary Applications 主要應用
- Switchgear Connections 開關設備連接: Compact cubicle interconnections requiring minimal bending radius
- Transformer Houses 變壓器房: Space-constrained MV connections in substations
- Mobile Transformers 移動式變壓器: Flexible connections for relocatable power equipment
- Festoon Systems 滑觸線系統: Dynamic installations up to 120 m/min operation speed
- Shiftable Units 可移動設備: Mining, industrial, and port machinery applications
- Large Drives 大型驅動裝置: Motor and generator connections in confined spaces
應用場景說明
FELTOFLEX NTMCWOEU 的超柔性特性使其成為因空間限制或動態運動要求而無法部署傳統中壓電纜的應用的理想解決方案。根據專業卷繞電纜資源文獻[4]，這些電纜在最苛刻的中壓連接場景中表現出色。特別適用於需要短距離連接且彎曲半徑受限的開關設備櫃和移動式變電站連接。
10. Certifications & Applicable Standards / 認證與適用標準
Compliance with international and regional standards ensures FELTOFLEX NTMCWOEU meets the stringent requirements for medium voltage power transmission in critical infrastructure applications across global markets.
| Standard 標準 | Description 描述 | Scope 範圍 |
|---|---|---|
| DIN VDE 0250-813 | Rubber-insulated cables – MV flexible | Primary design basis 主要設計依據 |
| DIN VDE 0298-4 | Current-carrying capacity tables | Ampacity rating 載流量額定 |
| DIN EN 60228 / IEC 60228 | Conductors of insulated cables | Conductor requirements 導體要求 |
| DIN EN 60811-404 / IEC 60811-404 | Oil resistance test methods | Chemical resistance 耐化學 |
| DIN EN 60332-1-2 / IEC 60332-1-2 | Flame propagation test | Fire safety compliance 防火安全合規 |
| GOST-R/-K/-B | Russian Federation fire certificate | CIS market access 獨聯體市場准入 |
認證說明
符合國際和區域標準確保 FELTOFLEX NTMCWOEU 滿足全球市場關鍵基礎設施應用中中壓電力傳輸的嚴格要求。完整的標準合規體系涵蓋從導體結構到絕緣性能、阻燃測試和油耐受性測試的各個方面。
11. Why Choose Anhui Feichun Special Cable / 為何選擇安徽飛純特種電纜
Anhui Feichun Special Cable Co., Ltd. (安徽飛純特種電纜有限公司) combines advanced manufacturing technology with rigorous quality assurance to deliver premium medium voltage flexible cables. As recognized by professional reeling cable industry resources, specialized ultra-bendable MV cable solutions require deep engineering expertise and manufacturing excellence—capabilities that Feichun has consistently demonstrated across global power infrastructure projects.
- Manufacturing Excellence 製造卓越: Advanced triple extrusion technology for PD-free cable production
- Quality Testing 品質測試: Comprehensive testing per DIN VDE, IEC, and GOST standards
- Global Supply 全球供應: Export capability to power infrastructure projects worldwide
- Custom Engineering 定制工程: Tailored solutions for specific bending radius and space requirements
- Accessories 配件供應: Plug connectors and slip-on sealing ends available
- Rapid Deployment 快速交付: Strategic inventory for common configurations
選擇飛純的理由
安徽飛純特種電纜有限公司結合先進製造技術與嚴格品質保證，提供優質中壓柔性電纜。正如專業卷繞電纜行業資源所認可，專業超柔性中壓電纜解決方案需要深厚的工程專業知識和製造卓越能力——這些正是飛純在全球電力基礎設施項目中持續展現的核心競爭力。我們可提供配套插頭連接器和滑套式密封端子。
References & Citations / 參考文獻與引用
- [1] FELTOFLEX NTMCWOEU Medium Voltage Ultra-Bendable Cables Technical Documentation. Reeling Cable Technical Resources
- [2] DIN VDE 0250-813: Rubber-insulated cables – Part 813: Medium voltage flexible cables. VDE Standards
- [3] DIN VDE 0298-3 & 0298-4: Installation guidelines and current-carrying capacity. Beuth Verlag
- [4] IEC 60228 / VDE 0295: Conductors of insulated cables – International specification. IEC Standards
- [5] IEC 60332-1-2: Tests on electric cables under fire conditions – Vertical flame propagation. IEC Standards
- [6] DIN EN 60811-404 / IEC 60811-404: Non-electrical tests – Oil resistance methods. DIN Standards
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