Copper Catenary Wire For Electric Railway Good Electrical Conductivity
Copper Catenary Wire for Electric railway good electrical conductivity
Copper catenary wire is available in various sizes and configurations, depending on the specific requirements of the power transmission system. The wire is often stranded, meaning it is composed of multiple small copper wires twisted or braided together. Stranding increases the flexibility and strength of the wire, making it easier to handle during installation and maintenance.
The main advantages of using copper for catenary wire are its high electrical conductivity and resistance to corrosion. Copper has one of the highest electrical conductivities among commonly used metals, allowing for efficient transmission of electricity. Additionally, copper is resistant to oxidation and has good mechanical strength, making it suitable for outdoor applications and ensuring the longevity of the wire.
Application
- Electric Railways and Tram Systems: Copper catenary wire is extensively used in electric railways and tram systems to supply power to the trains or trams. The wire is installed overhead, suspended from poles or other support structures. The trains or trams have pantographs or other current collectors that establish contact with the copper wire, allowing the transfer of electrical energy to power the vehicles.
- Power Transmission and Distribution: Copper catenary wire is also used in power transmission and distribution systems. In overhead power lines, the copper wire carries high-voltage electricity over long distances from power plants to substations or directly to consumers. The use of copper ensures low electrical resistance, minimizing power losses during transmission.
Copper Contact Wire Specification:
| Copper stranded wire E-CU | ||||||||||
| Nominal cross section |
Calculatedcross section | Number of wires |
Diameter | Wire tensile strength |
Resistivity (20℃) Ωmm²/m |
Electric conductivity (20℃)% IACS |
Weight | Calculated breaking load |
||
| Wire | Conductor | Before/MPa | After/MPa | |||||||
| E-CU 10 | 10.02 | 7 | 1.35±0.03 | 4.1 | ≥422 | ≥392 | ≤0.01786 | ≥96 | 90 | 4.02 |
| E-CU 16 | 15.89 | 7 | 1.70±0.03 | 5.1 | ≥422 | ≥392 | ≤0.01786 | ≥96 | 143 | 6.37 |
| E-CU 25 | 24.25 | 7 | 2.10±0.03 | 6.3 | ≥422 | ≥392 | ≤0.01786 | ≥96 | 218 | 9.72 |
| E-CU 35 | 34.36 | 7 | 2.50±0.03 | 7.5 | ≥422 | ≥392 | ≤0.01786 | ≥96 | 310 | 13.77 |
| E-CU 50 | 49.48 | 7 | 3.00±0.03 | 9.0 | ≥422 | ≥392 | ≤0.01786 | ≥96 | 446 | 19.84 |
| E-CU 50 | 48.35 | 19 | 1.80±0.03 | 9.0 | ≥422 | ≥392 | ≤0.01786 | ≥96 | 437 | 19.38 |
| E-CU 70 | 65.81 | 19 | 2.10±0.03 | 10.5 | ≥422 | ≥392 | ≤0.01786 | ≥96 | 596 | 26.38 |
| E-CU 95 | 93.27 | 19 | 2.50±0.03 | 12.5 | ≥422 | ≥392 | ≤0.01786 | ≥96 | 845 | 37.39 |
| E-CU 120 | 116.99 | 19 | 2.80±0.03 | 14.0 | ≥422 | ≥392 | ≤0.01786 | ≥96 | 1060 | 48.9 |
| E-CU 150 | 147.11 | 37 | 2.25±0.03 | 15.8 | ≥422 | ≥392 | ≤0.01786 | ≥96 | 1337 | 58.98 |
| E-CU 185 | 181.62 | 37 | 2.50±0.03 | 17.5 | ≥422 | ≥392 | ≤0.01786 | ≥96 | 1649 | 72.81 |
| Copper-magnesium alloy stranded wire BZII | ||||||||||
| Nominal cross section |
Calculatedcross section | Number of wires |
Diameter | Wire tensile strength |
Resistivity (20℃) Ωmm²/m |
Electric conductivity (20℃)% IACS |
Weight | Calculated breaking load |
||
| Wire | Conductor | Before/MPa | After/MPa | |||||||
| BZII 10 | 10.02 | 7 | 1.35±0.03 | 4.1 | ≥618 | ≥589 | ≤0.02778 | ≥62 | 90 | 5.88 |
| BZII 16 | 15.89 | 7 | 1.70±0.03 | 5.1 | ≥618 | ≥589 | ≤0.02778 | ≥62 | 143 | 9.33 |
| BZII 25 | 24.25 | 7 | 2.10±0.03 | 6.3 | ≥618 | ≥589 | ≤0.02778 | ≥62 | 218 | 14.24 |
| BZII 35 | 34.36 | 7 | 2.50±0.03 | 7.5 | ≥618 | ≥589 | ≤0.02778 | ≥62 | 310 | 20.17 |
| BZII 50 | 49.48 | 7 | 3.00±0.03 | 9.0 | ≥608 | ≥589 | ≤0.02778 | ≥62 | 446 | 28.58 |
| BZII 50 | 48.35 | 19 | 1.80±0.03 | 9.0 | ≥618 | ≥589 | ≤0.02778 | ≥62 | 437 | 28.39 |
| BZII 70 | 65.81 | 19 | 2.10±0.03 | 10.5 | ≥618 | ≥589 | ≤0.02778 | ≥62 | 596 | 38.64 |
| BZII 95 | 93.27 | 19 | 2.50±0.03 | 12.5 | ≥618 | ≥589 | ≤0.02778 | ≥62 | 845 | 54.76 |
| BZII 120 | 116.99 | 19 | 2.80±0.03 | 14.0 | ≥618 | ≥589 | ≤0.02778 | ≥62 | 1060 | 67.57 |
| BZII 150 | 147.11 | 37 | 2.25±0.03 | 15.8 | ≥618 | ≥589 | ≤0.02778 | ≥62 | 1337 | 86.37 |
| BZII 185 | 181.62 | 37 | 2.50±0.03 | 17.5 | ≥618 | ≥589 | ≤0.02778 | ≥62 | 1649 | 106.63 |
Remark: the outer layer has to be right handed (Z-rotation
Jiangyin Electric Alloy Co., Ltd., formerly known as Jiangyin Electric Alloy Factory, was established on June 12, 1985. It is mainly engaged in the research and development, production, and sales of high-speed rail supporting products. Its main products are copper alloy deep processing products, including railway contact wires, railway load-bearing cables, copper alloy busbars, and other copper components.
Since its establishment, the company has been committed to providing customers with high-quality copper alloy products and services with advanced management systems, strong research and development capabilities, excellent product quality, and comprehensive services.
It has successively cooperated with railway bureaus under the Ministry of Railways, such as Shanghai, Guangzhou, Beijing, Zhengzhou, Chengdu, and other railway bureaus; Locomotive and motor production enterprises of the Ministry of Railways, such as CRRC and national motor and electrical appliance production enterprises, as well as well-known domestic and international enterprises such as Xiangtan Electric, Dongfang Electric, Schneider Electric, Siemens, ABB, GE, etc., have established strategic cooperative relationships and become a licensed supplier of copper and copper alloy stranded wire and contact wire for the China Railway Group Electric Gasification Bureau.
Support and Services:
We provide technical support and services for copper contact wire, including:
- Providing technical support for the installation and use of copper contact wire.
- Troubleshooting and resolving any technical issues with copper contact wire.
- Providing technical advice on the maintenance of copper contact wire.
- Providing guidance on the selection of copper contact wire.
Packing and Shipping:
Packaging and Shipping:
- Copper contact wire is packaged in high-quality materials to ensure it is delivered to the customer in good condition.
- The copper contact wire is shipped by air or sea according to customer's requirements.
- We offer tracking number once the copper contact wire is shipped.
Get in Touch
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