[email protected]

接地监测电缆

5 Min Read
UNE 22511 — formally titled "Cables flexibles para minería subterránea con tensiones de 1,8/3 kV con aislamiento de caucho, sin armadura" (Flexible cables for underground mining, 1.8/3 kV, rubber-insulated, unarmoured) — is the definitive Spanish standard for heavy-duty power cables connecting underground mobile mining equipment to fixed electrical distribution networks. Published and maintained by AENOR (Asociación Española de Normalización y Certificación), it operates as a specialized overlay on IEC 60502-1, extending that base standard's electrical requirements with the stringent mechanical, safety, and flame-retardancy requirements specific to enclosed underground environments. Despite its Spanish origin, UNE 22511 enjoys a geographic reach far exceeding Iberia. The standard has been adopted — formally or by reference — across the major Spanish-speaking mining economies: Chile, Peru, Colombia, Bolivia, and Mexico, where AENOR-certified cables are accepted by national mining safety regulators as the primary qualification pathway for underground mobile equipment power supply cables. In Chile alone, UNE 22511 cables are installed across dozens of operations including major copper and coal mines. The standard's engineering DNA can be described in a single imperative: extreme dynamic flexibility combined with superior resistance to combined torsional and bending fatigue. This is not merely a performance aspiration — it is a structural requirement that shapes every material choice and geometric decision in the cable's construction. The logic proceeds as follows: Underground mobile equipment (continuous miners, shearers, shuttle cars) moves continuously and repeatedly during operation, dragging its power cable behind it or winding and unwinding it from a cable reel. This motion imposes cyclic bending, axial tension, and torsional loads on the cable simultaneously — a multi-axis fatigue regime of a severity not encountered in any other industrial cable application. Standard fixed-installation cables, even those classified as "flexible," are not designed for this loading regime and will fail in fatigue within weeks to months when installed in drag duty. Therefore, every structural element of a UNE 22511 cable — conductor wire diameter, insulation compound, earth core geometry, armour exclusion, sheath specification — is selected to maximize multi-axis fatigue endurance, not any single performance parameter. ⛏ The Founding Engineering Principle UNE 22511 is an unarmoured drag cable standard. The deliberate absence of any metallic armour — which might superficially seem to reduce robustness — is in fact the defining engineering choice that makes the standard viable. Steel wire or tape armour in a continuously torsionally-loaded cable acts as a progressive-failure torsional spring: each twist cycle accumulates irreversible plastic strain in the armour wires, leading to wire fractures within 10,000–30,000 cycles. For a shuttle car cable experiencing 80,000+ torsional cycles per year, armour represents not additional protection but a built-in scheduled failure mechanism. The UNE 22511 design eliminates this failure mode at source.
Technical Department
on16/06/2026

PROTOMONT、PROTOLON、TENAX、CORDAFLEX、NSSHOEU、TUNNELFLEX、MINEMASTER、SHD-GC、G-GC、MT 818 与光纤电缆工程指南

在矿山、隧道和散料输送行业，mining cable 并不是一种单一产品，而是一张工程地图：卷筒电缆、拖曳电缆、馈电电缆、固定敷设电缆、隧道电缆、疏浚与潜水泵电缆、ground-check 电缆、光纤通信电缆以及 OEM 定制电缆系统都属于其中。一个矿山项目可能同时使用 LHD 低压 0.6/1 kV 卷筒电缆、露天挖掘机中压拖曳电缆、TBM 6/10 至 18/30 kV 中压卷筒电缆、隧道固定馈电电缆和矿山自动化光纤网络。因此，正确选型不是先问品牌名称，而是先问应用：电缆如何运动、如何弯曲、如何接地、承担什么电压、适用哪个区域标准、护套会受到什么环境攻击。
5 Min Read
Type SHD-GC cables rated from 2kV to 25kV are now available with embedded self-sufficient LED monitoring pilots. This innovative technology represents a significant advancement in mining cable safety, utilizing electromagnetic induction to power LED illumination without requiring external power connections or batteries. （是的，2kV至25kV额定电压的SHD-GC型电缆现已配备自发光LED监测指示系统。该创新技术利用电磁感应原理为LED供电，无需外部电源连接或电池。）
Technical Department
on09/02/2026

FeiChun SHD-GC with Embedded LED Monitoring PilotsType SHD-GC Cables (2kV – 25kV) with Self-Sufficient Illumination Technology

Type SHD-GC cables rated from 2kV to 25kV are now available with embedded self-sufficient LED monitoring pilots. This innovative technology represents a significant advancement in mining cable safety, utilizing electromagnetic induction to power LED illumination without requiring external power connections or batteries. （是的，2kV至25kV额定电压的SHD-GC型电缆现已配备自发光LED监测指示系统。该创新技术利用电磁感应原理为LED供电，无需外部电源连接或电池。）
6 Min Read
Type W and Type G-GC cables represent two of the most critical portable power cable designs for mining and heavy industrial applications. Both cable types are engineered to withstand extreme mechanical stress, chemical exposure, and demanding electrical requirements while maintaining safety compliance with the Mine Safety and Health Administration (MSHA) regulations under 30 CFR Part 75 and Part 77. Type W和Type G-GC电缆是矿业和重工业应用中最关键的两种便携式电力电缆设计。这两种电缆均经过工程设计，能够承受极端的机械应力、化学暴露和苛刻的电气要求，同时保持符合美国矿山安全与健康管理局(MSHA)根据30 CFR第75和77部分制定的安全合规要求。
Technical Department
on05/02/2026

Type W vs. Type G-GC: The Definitive Guide to Ground Check Conductors for MSHA Compliance

Type W and Type G-GC cables represent two of the most critical portable power cable designs for mining and heavy industrial applications. Both cable types are engineered to withstand extreme mechanical stress, chemical exposure, and demanding electrical requirements while maintaining safety compliance with the Mine Safety and Health Administration (MSHA) regulations under 30 CFR Part 75 and Part 77. Type W和Type G-GC电缆是矿业和重工业应用中最关键的两种便携式电力电缆设计。这两种电缆均经过工程设计，能够承受极端的机械应力、化学暴露和苛刻的电气要求，同时保持符合美国矿山安全与健康管理局(MSHA)根据30 CFR第75和77部分制定的安全合规要求。
4 Min Read
AS/NZS 1802 standard specifies requirements for electric cables used in underground coal mines in Australia and New Zealand. Type 441 cables, as defined within this standard, are trailing cables designed for reeling and trailing applications in mining equipment such as continuous miners, shuttle cars, and roof bolters. Anhui Feichun Special Cable Co., Ltd. manufactures Type 441 cables that provide equivalent performance to established brands like Olex Versolex, fully compliant with AS/NZS 1802 certification requirements.
Technical Department
on03/02/2026

Olex Versolex Equivalent: AS/NZS 1802 Certified Type 441 Cables for Australian Coal Mining

AS/NZS 1802 standard specifies requirements for electric cables used in underground coal mines in Australia and New Zealand. Type 441 cables, as defined within this standard, are trailing cables designed for reeling and trailing applications in mining equipment such as continuous miners, shuttle cars, and roof bolters. Anhui Feichun Special Cable Co., Ltd. manufactures Type 441 cables that provide equivalent performance to established brands like Olex Versolex, fully compliant with AS/NZS 1802 certification requirements.