01

Overview 概述

RS-(N)TSCGEWOEU TUNNELFLEX-TTX is a specialized medium voltage flexible power cable series available in four voltage ratings from 3.6/6 kV to 12/20 kV. These cables are engineered specifically for tunneling applications, providing reliable power supply to mobile equipment operating in harsh underground environments where there is a high risk of mechanical damage. The cable designation follows German DIN VDE nomenclature, with (N) indicating compliance with German national standards.

RS-(N)TSCGEWOEU TUNNELFLEX-TTX是一種專業中壓柔性電力電纜系列,提供從3.6/6 kV到12/20 kV的四種電壓等級。這些電纜專為隧道掘進應用設計,為在惡劣地下環境中運行的移動設備提供可靠的電力供應,這些環境存在很高的機械損壞風險。電纜型號遵循德國DIN VDE命名規則,其中(N)表示符合德國國家標準。

HEPR-MV Insulation Technology | HEPR-MV絕緣技術

The HEPR-MV (High-performance Ethylene Propylene Rubber for Medium Voltage) micro-filtered special compound exceeds the requirements of 3GI3 classification, providing superior electrical performance, thermal stability, and long-term reliability for demanding medium voltage tunneling applications.

HEPR-MV(中壓高性能乙丙橡膠)微過濾特殊複合物超過3GI3分類要求,為嚴苛的中壓隧道應用提供卓越的電氣性能、熱穩定性和長期可靠性。

02

Voltage Ratings 電壓等級

The TUNNELFLEX-TTX series is available in four distinct voltage ratings to meet various medium voltage tunneling requirements. Each rating includes specific rated voltage (Uo/U), maximum operating voltage, and test voltage parameters according to international standards.

TUNNELFLEX-TTX系列提供四種不同的電壓等級,以滿足各種中壓隧道需求。每個等級都包括根據國際標準規定的額定電壓(Uo/U)、最大工作電壓和測試電壓參數。

3.6/6 kV
Um: 7.2 kV
Test: 11 kV | Max Op: 5.4 kV
6/10 kV
Um: 12 kV
Test: 17 kV | Max Op: 12 kV
8.7/15 kV
Um: 18 kV
Test: 24 kV | Max Op: 18 kV
12/20 kV
Um: 24 kV
Test: 29 kV | Max Op: 24 kV
MV Electrical Parameters Summary 電氣參數摘要
Parameter 參數3.6/6 kV6/10 kV8.7/15 kV12/20 kV
Rated Voltage Uo/U 額定電壓3.6/6 kV6/10 kV8.7/15 kV12/20 kV
Max System Voltage Um 最大系統電壓7.2 kV12 kV18 kV24 kV
Max Operating Voltage 最大工作電壓5.4 kV12 kV18 kV24 kV
Test Voltage 測試電壓11 kV17 kV24 kV29 kV
03

Key Features 主要特性

HEPR-MV Insulation (Better than 3GI3)

High-performance micro-filtered EPR compound exceeding 3GI3 classification requirements for superior electrical and thermal performance.高性能微過濾EPR複合物,超過3GI3分類要求,具有卓越的電氣和熱性能。

Semi-Conducting Screens

Extruded conductor and core screens made of special semi-conducting compound for uniform electric field distribution.由特殊半導體複合物製成的擠壓導體屏蔽和芯屏蔽,實現均勻的電場分佈。

Anti-Twisting Braid

Open mesh synthetic yarn braid provides effective protection against torsional stresses in mobile tunneling applications.開放式合成紗線編織層為移動隧道應用提供有效的抗扭應力保護。

DIN VDE 0295 Class 5

Flexible plain copper conductors with special construction designed for demanding mobile applications in tunneling.採用特殊結構設計的柔性純銅導體,適用於嚴苛的隧道移動應用。

PCP Double Sheath

Inner and outer PCP (Polychloroprene) compound sheaths provide excellent mechanical protection and oil resistance.內外PCP(氯丁橡膠)複合護套提供卓越的機械保護和耐油性。

High Visibility Red Sheath

Distinctive red outer sheath provides excellent visibility in underground tunnel environments for enhanced safety.獨特的紅色外護套在地下隧道環境中提供極佳的可視性,增強安全性。

04

Cable Construction 電纜結構

Phase Cores Construction 相芯結構

Conductor 導體
Plain copper, flexible Class 5 according to DIN VDE 0295, special construction for mobile applications純銅,符合DIN VDE 0295的5類柔性導體,用於移動應用的特殊結構
Conductor Screen 導體屏蔽
Extruded layer made of special semi-conducting compound由特殊半導體複合物製成的擠壓層
Insulation 絕緣
HEPR-MV micro-filtered special compound, better than 3GI3 classificationHEPR-MV微過濾特殊複合物,優於3GI3分類
Core Screen 芯屏蔽
Extruded layer made of special semi-conducting compound由特殊半導體複合物製成的擠壓層

Earth Cores Construction 接地芯結構

Conductor 導體
Plain copper, flexible Class 5 according to DIN VDE 0295, special construction for mobile applications純銅,符合DIN VDE 0295的5類柔性導體,用於移動應用的特殊結構
Conductor Covering 導體覆蓋層
Extruded layer made of special semiconducting compound由特殊半導體複合物製成的擠壓層

Cable Assembly & Outer Layers 電纜組裝與外層

Cable Core Arrangements 電纜芯排列
Phase cores laid up with earth cores in the interstices相芯與接地芯在間隙中絞合
Inner Sheath 內護套
PCP (Polychloroprene) special compoundPCP(氯丁橡膠)特殊複合物
Anti-Twisting 防扭層
Open mesh braid of synthetic yarns合成紗線開放式網狀編織
Outer Sheath 外護套
PCP (Polychloroprene) special compoundPCP(氯丁橡膠)特殊複合物
Sheath Colour 護套顏色
■ RED 紅色
05

Temperature Limits & Bending Radius 溫度限制與彎曲半徑

❄️
-30°C
Fixed Installation
固定安裝
🔄
-20°C
Flexible Operation
柔性操作
🔥
+90°C
Max Conductor Temp
最高導體溫度
5 × OD
Fixed Installation 固定安裝
10 × OD
On Drums 卷筒上
06

Temperature Correction Factors 溫度校正因數

Apply the following correction factors (K) to current carrying capacity values when the ambient temperature differs from the reference temperature of 30°C. Multiply the rated current by the appropriate factor.

當環境溫度與參考溫度30°C不同時,將以下校正因數(K)應用於載流量值。將額定電流乘以相應的因數。

Correction Factors for Ambient Temperature Other Than 30°C
非30°C環境溫度的校正因數
Ambient Temp 環境溫度20°C25°C30°C35°C40°C45°C50°C55°C
Correction Factor K1.101.051.000.950.890.840.770.71
07

Technical Specifications: Uo/U(Um) 3.6/6(7.2) kV 技術規格

3.6/6 kV TUNNEL Dimensions, Weight & Current Capacity 尺寸、重量與載流量
At 30°C ambient temperature 環境溫度30°C
Cable SizePhase Ø mmEarth Ø mmOD Min mmOD Max mmWeight kg/kmTensile NLaid Straight ASpiral A1 Layer A2 Layer AShort Circuit kA²s
3×25+3×25/36.64.039.442.42520150013110580643.6
3×35+3×25/38.04.042.045.03040210016213099795.0
3×50+3×25/39.34.044.847.835703000202162123997.2
3×70+3×25/311.24.948.452.44490420025020015312310.0
3×95+3×50/313.05.452.356.35490570030124118414713.6
3×120+3×70/315.06.656.660.66880720035228221517217.2
3×150+3×70/316.96.661.165.17910900040432324619821.5
3×185+3×95/318.38.064.168.193401110046136928122626.5
3×240+3×120/320.59.372.576.5121501440054043232926534.3
08

Technical Specifications: Uo/U(Um) 6/10(12) kV 技術規格

6/10 kV TUNNEL Dimensions, Weight & Current Capacity 尺寸、重量與載流量
At 30°C ambient temperature 環境溫度30°C
Cable SizePhase Ø mmEarth Ø mmOD Min mmOD Max mmWeight kg/kmTensile NLaid Straight ASpiral A1 Layer A2 Layer AShort Circuit kA²s
3×25+3×25/36.64.041.144.12670150013110580643.6
3×35+3×25/38.04.043.846.83200210016213099795.0
3×50+3×25/39.34.046.649.637403000202162123997.2
3×70+3×25/311.24.950.254.24670420025020015312310.0
3×95+3×50/313.05.454.058.05690570030124118414713.6
3×120+3×70/315.06.658.362.37090720035228221517217.2
3×150+3×70/316.96.662.866.88140900040432324619821.5
3×185+3×95/318.38.065.969.995901110046136928122626.5
3×240+3×120/320.59.373.777.7123501440054043232926534.3
09

Technical Specifications: Uo/U(Um) 8.7/15(18) kV 技術規格

8.7/15 kV TUNNEL Dimensions, Weight & Current Capacity 尺寸、重量與載流量
At 30°C ambient temperature 環境溫度30°C
Cable SizePhase Ø mmEarth Ø mmOD Min mmOD Max mmWeight kg/kmTensile NLaid Straight ASpiral A1 Layer A2 Layer AShort Circuit kA²s
3×25+3×25/36.64.044.547.52990150013911185683.6
3×35+3×25/38.04.047.250.235402100172138105845.0
3×50+3×25/39.34.049.553.5411030002151721311057.2
3×70+3×25/311.24.953.657.65070420026521216213010.0
3×95+3×50/313.05.457.561.56130570031925519515613.6
3×120+3×70/315.06.662.266.27600720037129722618217.2
3×150+3×70/316.96.666.370.38620900042834226121021.5
3×185+3×95/318.38.070.774.7103201110048839029823926.5
3×240+3×120/320.59.376.380.3127701440057445935028134.3
10

Technical Specifications: Uo/U(Um) 12/20(24) kV 技術規格

12/20 kV TUNNEL Dimensions, Weight & Current Capacity 尺寸、重量與載流量
At 30°C ambient temperature 環境溫度30°C
Cable SizePhase Ø mmEarth Ø mmOD Min mmOD Max mmWeight kg/kmTensile NLaid Straight ASpiral A1 Layer A2 Layer AShort Circuit kA²s
3×25+3×25/36.64.048.852.83480150013911185683.6
3×35+3×25/38.04.051.555.540602100172138105845.0
3×50+3×25/39.34.054.358.3465030002151721311057.2
3×70+3×25/311.24.958.362.35670420026521216213010.0
3×95+3×50/313.05.462.666.66810570031925519515613.6
3×120+3×70/315.06.666.970.98260720037129722618217.2
3×150+3×70/316.96.672.476.49560900042834226121021.5
3×185+3×95/318.38.075.479.4110501110048839029823926.5
Short Circuit Rating Note | 短路額定值說明

Short circuit current values (kA²s) are calculated for temperature rise from 90°C to 250°C. Always verify short circuit withstand capability against system fault levels.

短路電流值(kA²s)按溫度從90°C升至250°C計算。請始終根據系統故障電平驗證短路耐受能力。

11

Standards & Compliance 標準與合規性

Conductor Standard導體標準
  • Conductor ClassClass 5
  • StandardDIN VDE 0295
  • MaterialPlain Copper
  • ConstructionMobile Application
Insulation絕緣
  • TypeHEPR-MV
  • ClassificationBetter than 3GI3
  • ProcessMicro-filtered
  • Max Temp90°C
Screening屏蔽
  • Conductor ScreenSemi-conducting
  • Core ScreenSemi-conducting
  • ApplicationExtruded Layer
Outer Protection外部保護
  • Inner SheathPCP Compound
  • Anti-TwistingSynthetic Mesh
  • Outer SheathPCP Compound
  • ColourRED 紅色
12

Technical References & Citations 技術參考與引用

The technical specifications and construction standards for RS-(N)TSCGEWOEU TUNNELFLEX-TTX medium voltage cables are based on internationally recognized standards and industry best practices. The following authoritative sources provide additional technical guidance for medium voltage flexible cable applications in tunneling:

RS-(N)TSCGEWOEU TUNNELFLEX-TTX中壓電纜的技術規格和結構標準基於國際公認標準和行業最佳實踐。以下權威來源為隧道掘進中壓柔性電纜應用提供額外的技術指導:

Authoritative Industry References 權威行業參考
  • DIN VDE 0295 — German standard for conductor classes and resistance values for flexible cables. Class 5 conductors specified for mobile applications ensure optimal flexibility and fatigue resistance.
    德國柔性電纜導體等級和電阻值標準。為移動應用指定的5類導體確保最佳的柔性和抗疲勞性。
    Reference: DIN VDE 0295:2010-06, Conductors of insulated cables
  • IEC 60502-2 — Power cables with extruded insulation and their accessories for rated voltages from 1 kV up to 30 kV. Provides performance requirements for medium voltage cable construction.
    額定電壓1 kV至30 kV的擠出絕緣電力電纜及其附件。提供中壓電纜結構的性能要求。
    Reference: IEC 60502-2:2014, Power cables – Rated voltages 1 kV to 30 kV
  • HD 620 S2 — CENELEC harmonization document for distribution cables with extruded insulation for rated voltages from 3.6/6 kV up to 20.8/36 kV. Defines European performance standards for medium voltage cables.
    CENELEC額定電壓3.6/6 kV至20.8/36 kV擠出絕緣配電電纜協調文件。定義中壓電纜的歐洲性能標準。
    Reference: HD 620 S2:2010, Distribution cables
  • HEPR Insulation Technology — High-performance ethylene propylene rubber (HEPR) insulation compounds exceeding 3GI3 classification provide superior thermal stability, electrical performance, and resistance to partial discharge in medium voltage applications.
    高性能乙丙橡膠(HEPR)絕緣複合物超過3GI3分類,在中壓應用中提供卓越的熱穩定性、電氣性能和耐局部放電性。
    Technical reference for EPR/HEPR insulation systems in flexible MV cables
  • IEC 60228 — International standard for conductors of insulated cables, defining conductor classes and construction requirements. Class 5 flexible conductors are specified for demanding mobile and reeling applications.
    絕緣電纜導體的國際標準,定義導體等級和結構要求。5類柔性導體適用於嚴苛的移動和卷繞應用。
    Reference: IEC 60228:2004, Conductors of insulated cables

RS-(N)TSCGEWOEU TUNNELFLEX-TTX cables represent the state-of-the-art in medium voltage flexible power cables for tunneling applications. The combination of HEPR-MV insulation, semi-conducting screens, PCP double sheath, and anti-twisting braid ensures reliable performance in the most demanding underground environments. When specifying these cables, always consider the specific voltage requirements, ambient temperature conditions, installation method, and short circuit withstand requirements of the application.

RS-(N)TSCGEWOEU TUNNELFLEX-TTX電纜代表了隧道應用中壓柔性電力電纜的最新技術水平。HEPR-MV絕緣、半導體屏蔽、PCP雙層護套和防扭編織層的組合確保在最嚴苛的地下環境中可靠運行。在指定這些電纜時,請始終考慮應用的具體電壓要求、環境溫度條件、安裝方式和短路耐受要求。

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如需了解TUNNELFLEX-TTX中壓隧道電纜

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