The efficient transmission of electric power at long distances is vital for the economic and technological development of any country. In this context, los high tension cables They play a crucial role. One of the most used voltage levels worldwide in primary transmission lines is high tension cable 132 kV, which offers an ideal balance between load capacity, Security and Cost.
In this full guide, We will explore everything related to the cable 132 kV, Its technical specifications, Typical applications, Installation types, Advantages against other tensions, And how to choose the best supplier or manufacturer.
What is a high voltage cable of 132 kV?
And high tension cable 132 kV It is a type of electric conductor designed to transport large amounts of energy from generating plants to distribution substations or industrial consumption centers. By definition, It is considered High voltage from the 69 kV, therefore, The range of 132 kV is located within primary or subtransmission levels.
This cable can be installed Air or underground, Depending on the geographical environment, environmental the urban.
Cable applications 132 kV
Los cables 132 kilovolts They are used in:
- Networks of Regional or national electric transmission
- Interconnection between substations
- Energy transport from Generation plants (Hydroelectric, thermal, solar, wind)
- Feeding Great energy consumption industrial parks
- Urban Electrical Infrastructure Projects where the use of air towers is not viable
This voltage level allows reduce electrical losses, minimize the number of intermediate substations and ensure a Stable long -distance electricity delivery.
Installation types: Underground vs. air
1. Air cable of 132 kV
- Installable in galvanized steel towers
- Cheaper in terms of infrastructure
- Requires passage of passage
- Affected by climatic conditions (wind, good heavens)
2. underground cable 132 kV
- Requires ditches, Inspection ducts and cameras
- Higher initial cost, But safer in urban areas
- Less visual impact
- It requires reinforced insulation (XLPE or SF6 gas insulation)
Technical characteristics of high voltage cable 132 kV
Los High voltage electrical cables 132 kV They are designed according to international standards such as IEC 60840 o IEEE 404. Its main components include:
● Conductor:
- It covers the aluminum
- Usually in compact or segmented configuration to improve conductivity
● Isolation:
- XLPE (cross-linked polyethylene): High thermal resistance, Chemistry and dielectric
- Alternatives: EPR or pressurized oil in certain cases
● Semiconductor screen:
- Minimizes electrical stress in insulation
● Metal screen:
- Braided copper or helical tape, used to facilitate the evacuation of ground failures
● External cover:
- High density polyethylene (HDPE) o PVC
- Weatherproof, to UV rays and chemicals
Common XLPE Cable Specifications 132 kV
| Feature | Typical value |
|---|---|
| Nominal voltage | 132 kV (fase a fase) |
| Maximum operational voltage | 145 kV |
| Operating temperature | 90 ° C continues / 250 ° C short -circuit |
| Driver type | Covers the aluminum |
| Insulation type | XLPE (extruded and reticulated) |
| Installation type | Underground or aerial |
| Applicable standards | IEC 60840, IEEE, ASTM |
Advantages of the use of high voltage cables 132 kV
Energy efficiency: low transmission loss
Stability in the Electricity
High current transport capacity
Reduction of the number of substations
Suitable for dense urban environments (underground installation)
Compatible with large -scale renewable energy
Cable manufacturing and suppliers 132 kV
When it comes to acquiring high tension cables 132 kV, It is important to have a reliable supplier that meets International certifications, Quality and experience controls in great projects.
What should a good cable manufacturer offer 132 kV?
- ISO certificates, IEC y ASTM
- Routine and type tests carried out in accredited laboratories
- Personalized technical advice
- Production capacity for large -scale deliveries
- Extended durability guarantees
High voltage cable prices 132 kV
He cable price 132 kv may vary depending on several factors:
- Driver type (copper vs aluminum)
- Light of the laying
- Installation type (aerial or underground)
- Type of insulation and armor
- Logistics costs and import tariffs
Estimated example (referential):
- Cable XLPE 132 KV with copper driver: USD $70 – $100 per meter
- With aluminum conductor: USD $45 – $65 per meter
⚠️ It is recommended to request a price directly to our high -voltage cable manufacturers or suppliers Dosense Cable To obtain a precise price.
Regulations governing cables 132 kV
The following regulations are fundamental to guarantee security and performance:
- IEC 60840: isolated cables with extruded materials for tensions of 30 kV a 150 kV
- IEC 60228: isolated cable drivers
- IEEE 404: High voltage cable joints
- A 21123: Spanish standards for high voltage cables
- ASTM B8 / B231: Electrical conductors specifications
Maintenance and tests
The cable 132 KV requires preventive maintenance and periodic diagnostic tests:
- Insulation resistance tests
- Partial download tests
- IMPEDANCE MEASUREMENT
- Infrared thermography in unions and splices
- Insulation system pressure test (When oil is used or SF6)
Comparative: cable 132 KV vs other voltage levels
| Voltage level | Main use | Typical distance |
|---|---|---|
| 11 kV / 33 kV | Local distribution | Short |
| 66 kV / 132 kV | Regional transmission / urbana | Media – long distance |
| 220 kV / 400 kV | National transmission / International | Very long |
Conclusion
He high tension cable 132 kV It is an essential solution for electrical projects that require safe and efficient transmission of large volumes of energy. Its use is increasingly frequent both in traditional systems and in smart networks and renewable sources. Choose the correct cable, The appropriate supplier and follow the technical regulations can make a difference in the durability and efficiency of an installation.
Either for an airline or an underground system, los Electrical cables of 132 kV They represent a strategic investment to guarantee the stability of the energy system in the present and the future.