Single core cables are engineered for distribution of electrical power with nominal voltages ranging from 1.8/3kV to 36kV and beyond. From a design point of view, medium-voltage cables are of three types: single-core cable, three single-core cables laid-up, and three-core cable. This technical guide examines two prominent cable solutions for demanding industrial applications requiring high flexibility and electrical performance. 单芯电缆专为输配电系统设计，额定电压从1.8/3kV至36kV及以上。本技术指南对比分析两种适用于高柔性工业应用的电缆方案。

on09/02/2026

Single Core Cables: Nexans RHEYCLEAN® (MV) vs. (N)TSCGEWÖU Single Core

Single core cables are engineered for distribution of electrical power with nominal voltages ranging from 1.8/3kV to 36kV and beyond. From a design point of view, medium-voltage cables are of three types: single-core cable, three single-core cables laid-up, and three-core cable. This technical guide examines two prominent cable solutions for demanding industrial applications requiring high flexibility and electrical performance. 单芯电缆专为输配电系统设计，额定电压从1.8/3kV至36kV及以上。本技术指南对比分析两种适用于高柔性工业应用的电缆方案。

In modern tunnel boring machine (TBM) applications, the selection of appropriate voltage ratings for cutterhead drive systems is critical for operational efficiency, safety, and equipment longevity. For Herrenknecht TBMs—the world's leading manufacturer of mechanized tunneling equipment—the standard voltage rating for cutterhead high-voltage drives is predominantly 6kV (6/10kV class) and 10kV, with 20kV systems reserved for specialized high-power applications exceeding 5MW per motor. 在现代隧道掘进机（TBM）应用中，刀盘驱动系统的电压等级选择对运行效率、安全性和设备寿命至关重要。对于海瑞克TBM——全球领先的机械化隧道设备制造商——刀盘高压驱动的标准电压等级主要为6kV（6/10kV级）和10kV，20kV系统仅用于单电机功率超过5MW的特殊高功率应用。

Technical Department

on30/01/2026

TBM Cutterhead High-Voltage Drives: Which Voltage Rating (6kV, 10kV, or 20kV) is Standard for Herrenknecht TBM?

In modern tunnel boring machine (TBM) applications, the selection of appropriate voltage ratings for cutterhead drive systems is critical for operational efficiency, safety, and equipment longevity. For Herrenknecht TBMs—the world’s leading manufacturer of mechanized tunneling equipment—the standard voltage rating for cutterhead high-voltage drives is predominantly 6kV (6/10kV class) and 10kV, with 20kV systems reserved for specialized high-power applications exceeding 5MW per motor. 在现代隧道掘进机（TBM）应用中，刀盘驱动系统的电压等级选择对运行效率、安全性和设备寿命至关重要。对于海瑞克TBM——全球领先的机械化隧道设备制造商——刀盘高压驱动的标准电压等级主要为6kV（6/10kV级）和10kV，20kV系统仅用于单电机功率超过5MW的特殊高功率应用。

The (N)TSCGEWÖU cable manufactured to DIN VDE 0250-813 and the standard power cable manufactured to IEC 60502-2 serve fundamentally different purposes despite both being medium voltage cables. The most critical distinction lies in their mechanical durability design philosophy: VDE 0250 mining cables are engineered for continuous dynamic stress in mobile applications, while IEC 60502-2 cables are optimized for static fixed installations. 按照DIN VDE 0250-813标准生产的(N)TSCGEWÖU电缆与按照IEC 60502-2标准生产的标准电力电缆，尽管都是中压电缆，但其根本用途完全不同。最关键的区别在于它们的机械耐久性设计理念：VDE 0250矿用电缆是为移动应用中的持续动态应力而设计的，而IEC 60502-2电缆则针对静态固定安装进行了优化。

Technical Department

on23/01/2026

(N)TSCGEWÖU vs. IEC 60502-2: What is the Fundamental Difference in Mechanical Durability?

The (N)TSCGEWÖU cable manufactured to DIN VDE 0250-813 and the standard power cable manufactured to IEC 60502-2 serve fundamentally different purposes despite both being medium voltage cables. The most critical distinction lies in their mechanical durability design philosophy: VDE 0250 mining cables are engineered for continuous dynamic stress in mobile applications, while IEC 60502-2 cables are optimized for static fixed installations. 按照DIN VDE 0250-813标准生产的(N)TSCGEWÖU电缆与按照IEC 60502-2标准生产的标准电力电缆，尽管都是中压电缆，但其根本用途完全不同。最关键的区别在于它们的机械耐久性设计理念：VDE 0250矿用电缆是为移动应用中的持续动态应力而设计的，而IEC 60502-2电缆则针对静态固定安装进行了优化。

The tunnelling and underground mining industries have traditionally relied on heavy-duty rubber-sheathed cables manufactured according to DIN VDE 0250 standards. However, a significant shift is occurring as polyurethane (PUR) sheathed cables, designated with the VDE code "11Y" and "12Y" (for TPE-E variants), are increasingly specified for demanding tunnel boring machine (TBM) applications and underground operations. 隧道和地下采矿行业传统上依赖于按照DIN VDE 0250标准生产的重型橡胶护套电缆。然而，随着聚氨酯（PUR）护套电缆（VDE代码为"11Y"，TPE-E变体为"12Y"）在隧道掘进机（TBM）和地下作业等高要求应用中越来越多被指定使用，一个重大转变正在发生。

Technical Department

on23/01/2026

Why Are Polyurethane (PUR) Sheathed Cables Becoming Popular Alternatives to Standard VDE Rubber Cables in Tunnelling?

The tunnelling and underground mining industries have traditionally relied on heavy-duty rubber-sheathed cables manufactured according to DIN VDE 0250 standards. However, a significant shift is occurring as polyurethane (PUR) sheathed cables, designated with the VDE code “11Y” and “12Y” (for TPE-E variants), are increasingly specified for demanding tunnel boring machine (TBM) applications and underground operations. 隧道和地下采矿行业传统上依赖于按照DIN VDE 0250标准生产的重型橡胶护套电缆。然而，随着聚氨酯（PUR）护套电缆（VDE代码为”11Y”，TPE-E变体为”12Y”）在隧道掘进机（TBM）和地下作业等高要求应用中越来越多被指定使用，一个重大转变正在发生。

Prysmian Mining Application Systems represent a comprehensive portfolio of specialized cables engineered for the demanding environments of underground mining, tunneling operations, and opencast mining facilities. Developed by Prysmian Group, the world's largest cable manufacturer with over 140 years of expertise, these systems encompass multiple product families including PROTOLON (medium voltage flexible cables), PROTOMONT (rubber-sheathed flexible cables), OPTOFLEX (fiber optic cables), and CORDAFLEX (scraper cables).

Technical Department

on11/01/2026

What is Prysmian Mining Application systems ?

矿用电缆, 采煤机电缆, 拖曳电缆, 橡套电缆, 中压柔性电缆, 煤矿电缆, 隧道掘进机电缆, горнодобывающий кабель, шахтный кабель, гибкий кабель для шахт, кабель для угольных комбайнов, тянущийся кабель PROTOLON cable, PROTOMONT cable, OPTOFLEX mining cable, CORDAFLEX scraper cable, SUPROMONT power feeder cable, NTMCGCWÖU cable, NTSCGEWÖU cable, NTSCGCEWÖU cable, NSSHÖU cable, NSHÖU mining cable, NSSHCGEÖU coal cutter cable, NSHTÖU scraper cable, NYHSSYCY feeder cable, N3GHSSYCY rubber cable, NTSKGCFCWÖU festoon cable, NTMHWÖU lift cable, ZYSLGCGÖU MSR cable