Mining & Tunneling Medium Voltage (MV) Reeling Cable EPN 78 12/20KV is a high-performance flexible power cable specifically designed for large material handling machinery in open-cast mines and tunneling operations.
什麼是採礦和隧道 MV 卷取電纜 EPN 78 12/20KV？
What is Mining & Tunneling MV Reeling Cable EPN 78 12/20KV?
產品概述 (Product Overview)
採礦和隧道中壓（MV）卷取電纜 EPN 78 12/20KV 是一種專為露天礦山和隧道工程中的大型物料搬運機械設計的高性能柔性電力電纜。該電纜適用於挖掘機、自卸車、移動式破碎機等重型設備的電力供應，能夠承受極端的機械應力、頻繁的彎曲和扭轉操作。[1]
此類電纜採用乙丙橡膠（EPR）絕緣和氯化聚乙烯（CPE）護套，具有優異的耐油性、耐臭氧性和抗紫外線性能。根據國際標準 DIN VDE 0250-813 和 IEC 60332-1-2 設計製造，確保在惡劣環境下的可靠性和安全性。[2]
主要應用場景 (Primary Applications)
EPN 78 12/20KV 卷取電纜專為以下應用場景設計：
- 露天礦山：連接大型挖掘機、裝載橋和其他重型採礦設備
- 隧道工程：為隧道掘進機（TBM）和移動式破碎機提供電力
- 港口碼頭：船岸起重機和集裝箱起重機的卷取系統[3]
- 建築工地：移動式混凝土泵和起重機械
- 物料搬運：自動化堆取料機和輸送系統
技術特性 (Technical Characteristics)
電氣參數 (Electrical Parameters)
額定電壓 (Rated Voltage)
- U₀/U (Um): 12/20 (24) kV
- 測試電壓: 29 kV AC
- 控制芯測試電壓: 2 kV AC
- 標稱電壓: 20000 V
溫度參數 (Temperature Parameters)
- 最高導體溫度: 90°C
- 短路最高溫度: 250°C
- 固定安裝溫度範圍: -40°C 至 +80°C
- 移動安裝溫度範圍: -25°C 至 +60°C
機械特性 (Mechanical Properties)
- 永久拉伸強度: 15 N/mm²
- 彎曲半徑: 符合 DIN VDE 0298-3
- 阻燃等級: EN/IEC 60332-1-2[4]
- 耐油性: 優異
電纜結構 (Cable Construction)
| 組件 (Component) | 材料規格 (Material Specification) | 標準 (Standard) |
|---|---|---|
| 導體 (Conductor) | 精絞銅線，鍍錫，5類 | DIN EN 60228 / IEC 60228 |
| 內半導電層 (Inner Semiconducting Layer) | 半導電 EPR | – |
| 絕緣 (Core Insulation) | EPR 橡膠 – 特殊化合物 3GI3 | DIN VDE 0207 |
| 外半導電層 (Outer Semiconducting Layer) | 半導電 NBR 易剝離型 | – |
| 內護套 (Inner Sheath) | EPR 橡膠 – 特殊化合物 5GM3 | – |
| 外護套 (Outer Sheath) | 氯化聚乙烯 (CM/CPE) – 特殊化合物 5GM5 | – |
產品規格示例 (Product Specification Example)
| 產品編號 (Product Number) | 基本結構 (Basic Construction) | 導體直徑 [mm] (Diameter Conductor) | 電纜直徑 (最小) [mm] (Cable Diameter Min) | 電纜直徑 (最大) [mm] (Cable Diameter Max) | 電纜重量 [kg/km] (Cable Weight) |
|---|---|---|---|---|---|
| 0203208753 | 3×95+3×16 | 13.2 | 68.8 | 72.8 | 7800 |
| 0203625953 | 3×240+3×120/3 | 20.5 | 90 | 95 | 14100 |
註：精絞銅線，鍍錫，5 類；三芯設計，三根保護接地導體位於外部間隙中。
執行標準 (Execution Standards)
符合性說明 (Compliance Statement)
本產品完全符合上述國際和歐洲標準，並經過嚴格的型式試驗和例行試驗。所有測試均在經過認證的實驗室進行，確保產品質量和安全性能符合最高行業標準。根據 IEC 60502-2 建議，該電纜適用於系統電壓不超過 24 kV 的 A 類和 B 類系統。[6]
性能優勢 (Performance Advantages)
- 卓越的機械強度：採用高強度 EPR 絕緣，永久拉伸強度達到 15 N/mm²，適合頻繁彎曲和高應力環境
- 出色的環境適應性：具有優異的耐臭氧性、耐紫外線性和耐候性，適合戶外露天作業
- 耐化學腐蝕：護套材料對油類、潤滑脂和化學品具有出色的抵抗力
- 阻燃安全：符合 IEC 60332-1-2 阻燃標準，火焰自熄，降低火災風險[4]
- 寬溫度範圍：在 -25°C 至 +90°C 的溫度範圍內保持穩定性能
- 易剝離結構：半導電 NBR 外層採用易剝離設計，便於現場安裝和維護
- 三芯同心設計：三根保護接地導體位於外部間隙，提供額外的電磁屏蔽和安全保護
Product Overview
The Mining & Tunneling Medium Voltage (MV) Reeling Cable EPN 78 12/20KV is a high-performance flexible power cable specifically designed for large material handling machinery in open-cast mines and tunneling operations. This cable is suitable for supplying power to heavy equipment such as excavators, dumpers, and mobile crushers, capable of withstanding extreme mechanical stress, frequent bending, and torsional operations.[1]
Featuring Ethylene Propylene Rubber (EPR) insulation and Chlorinated Polyethylene (CPE) sheath, this cable exhibits excellent resistance to oil, ozone, and UV radiation. Manufactured according to international standards DIN VDE 0250-813 and IEC 60332-1-2, it ensures reliability and safety in harsh environmental conditions.[2]
Primary Applications
The EPN 78 12/20KV reeling cable is engineered for the following application scenarios:
- Open-cast mining: Connection of large excavators, loading bridges, and other heavy mining equipment
- Tunneling operations: Power supply for Tunnel Boring Machines (TBM) and mobile crushers
- Port terminals: Reeling systems for ship-to-shore cranes and container handling cranes[3]
- Construction sites: Mobile concrete pumps and lifting machinery
- Material handling: Automated stacker-reclaimers and conveyor systems
Technical Characteristics
Electrical Parameters
Rated Voltage
- U₀/U (Um): 12/20 (24) kV
- Test Voltage: 29 kV AC
- AC Test Voltage (Control Cores): 2 kV
- Nominal Voltage U: 20000 V
Thermal Parameters
- Max. Conductor Temperature: 90°C
- Max. Short Circuit Temperature: 250°C
- Ambient Temperature (Fixed): -40°C to +80°C
- Ambient Temperature (Flexible): -25°C to +60°C
Mechanical Properties
- Permanent Tensile Strength: 15 N/mm²
- Bending Radius: Acc. to DIN VDE 0298-3
- Flame Retardant: EN/IEC 60332-1-2[4]
- Oil Resistant: Yes
Cable Design and Construction
| Component | Material Specification | Standard |
|---|---|---|
| Conductor | Finely stranded copper, tinned, class 5 | DIN EN 60228 / IEC 60228 / VDE 0295 |
| Inner Semiconducting Layer | Semi-conductive EPR | – |
| Core Insulation Material | EPR rubber – Special compound 3GI3 | DIN VDE 0207 |
| Outer Semiconducting Layer | Semi-conductive NBR easy-strip | – |
| Material Inner Sheath | EPR rubber – Special compound 5GM3 | – |
| Material Outer Sheath | Chlorinated polyethylene (CM/CPE) – Special compound 5GM5 | – |
Product Specification Example
| Product Number | Basic Construction | Diameter Conductor [mm] | Cable Diameter (min) [mm] | Cable Diameter (max) [mm] | Cable Weight [kg/km] |
|---|---|---|---|---|---|
| 0203208753 | 3×95+3×16 | 13.2 | 68.8 | 72.8 | 7800 |
| 0203625953 | 3×240+3×120/3 | 20.5 | 90 | 95 | 14100 |
Note: Finely stranded copper, tinned, class 5; Three-core design with three protective-earth conductors into the outer interstices.
Execution Standards
Compliance Statement
This product fully complies with the aforementioned international and European standards and has undergone rigorous type testing and routine testing. All tests are conducted in certified laboratories to ensure product quality and safety performance meet the highest industry standards. According to IEC 60502-2 recommendations, this cable is suitable for Category A and Category B systems with a system voltage not exceeding 24 kV.[6]
Performance Advantages
- Exceptional Mechanical Strength: High-strength EPR insulation with permanent tensile strength of 15 N/mm², suitable for frequent bending and high-stress environments
- Superior Environmental Adaptability: Excellent ozone resistance, UV resistance, and weather resistance for outdoor open-air operations
- Chemical Corrosion Resistance: Sheath material exhibits outstanding resistance to oils, greases, and chemicals
- Flame Retardant Safety: Complies with IEC 60332-1-2 flame retardant standard, self-extinguishing flame reduces fire risk[4]
- Wide Temperature Range: Maintains stable performance in temperature range from -25°C to +90°C
- Easy-Strip Design: Semi-conductive NBR outer layer features easy-strip design for convenient field installation and maintenance
- Three-Core Concentric Design: Three protective earth conductors in outer interstices provide additional electromagnetic shielding and safety protection
Material Properties and Resistance
| Property | Specification | Performance |
|---|---|---|
| Flame Retardant | In accordance with EN/IEC 60332-1-2 | Self-extinguishing, vertical flame test passed[4] |
| Oil Resistance | Yes | Excellent resistance to mineral oils and lubricants |
| Ozone Resistance | Yes | Superior performance in outdoor environments |
| UV Resistance | Yes | Long-term durability under direct sunlight |
| Permanent Tensile Strength | 15 N/mm² (rule) | High mechanical load capacity |
| Bending Radius | Acc. to DIN VDE 0298 part 3 | Optimized for reeling applications |
聯繫我們 | Contact Us
安徽飛純特種電纜有限公司致力於為全球客戶提供高品質的特種電纜產品和專業服務。如需了解更多產品信息或技術支持，請通過以下方式聯繫我們：
Anhui Feichun Special Cable Co., Ltd. is dedicated to providing high-quality specialty cable products and professional services to customers worldwide. For more product information or technical support, please contact us:
+86 13855123218
[email protected]
[email protected]
[email protected]
參考文獻 | References
-
1
Thorne & Derrick International. “Mining Cables – Trailing Flexible Reeling.” Power and Cables. Retrieved December 2024.
This source provides comprehensive information on mining cables designed for underground and surface mining applications, including specifications for DIN VDE 0250-813 standards.
-
2
Eland Cables. “DIN VDE 0250 Standard Cable.” Eland Cables Technical Library. Retrieved December 2024.
Eland Cables provides detailed technical information on DIN VDE 0250 standards, which are globally recognized for tough rubber sheathed flexible reeling cables used in mining and material handling equipment.
-
3
Reeling Cable Solutions. “Reeling Cables for Mobile Machinery Insights.” Reeling Cable. Retrieved December 2024.
This comprehensive resource discusses reeling cables for port terminals, shipyards, and mobile machinery, including detailed information on cable construction, material selection, and performance parameters for maritime infrastructure applications.
-
4
International Electrotechnical Commission (IEC). “IEC 60332-1-2:2004 – Tests on electric and optical fibre cables under fire conditions.” IEC Webstore. 2004.
Official IEC standard specifying the procedure for testing resistance to vertical flame propagation for single vertical electrical insulated conductors or cables under fire conditions, ensuring flame retardant performance.
-
5
VDE Publishing House. “DIN VDE 0250-813:1985-05 – Cables, wires and flexible cords for power installation; Trailing cable.” VDE Standards. 1985.
Official German standard (DIN VDE 0250-813) published by VDE, covering construction and requirements for trailing cables used in power installations, particularly for mining and industrial applications.
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6
PD Cable. “Medium Voltage Power Cables Catalog.” Technical Documentation. Retrieved December 2024.
Technical catalog providing detailed information on medium voltage cable selection based on IEC 60502-2 recommendations, including system categories and rated voltage applications for 12/20 kV cables.
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7
Keystone Cable. “Flame Retardant Test Standards – Explained!” Keystone Academy Blog. June 2025.
Comprehensive explanation of IEC 60332 flame retardant test standards, including IEC 60332-1-2 for single cables and IEC 60332-3 for bundled cables, with detailed testing procedures and passing criteria.
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8
Anhui Feichun Special Cable Co., Ltd. “Special Cables for Mining and Industrial Applications.” Corporate Website. Retrieved December 2024.
Manufacturer’s official website providing product specifications, technical data, and quality certifications for mining and tunneling cables.
