132kV Cable Outdoor Termination KitManufacturer in China

উচ্চ-ভোল্টেজ ট্রান্সমিশনে, the point where a cable meets the outside world often decides how reliable the whole system will be. An outdoor termination has to deal with electrical stress, weather exposure, pollution, and mechanical forces—all at the same time. At 132kV Cable outdoor Termination Kit, there is little room for error.

132kV Cable Outdoor Termination Kit provides the controlled interface between a high-voltage cable and overhead lines, transformers, or switchgear. While it operates in open air, it must deliver the same level of insulation performance as enclosed systems. এই কারণে, engineers pay close attention to design details, উপকরণ, and installation practices.

একই সময়ে, many projects also involve GIS সমাপ্তি বা হাইব্রিড সিস্টেম. অতএব, understanding outdoor terminations alongside GIS cable termination solutions helps engineers choose the right approach for different environments.

Cable Outdoor Termination Kit

What Is a 132kV Cable Outdoor Termination Kit?

132kV cable outdoor termination kit is a complete set of components used to connect a high-voltage cable to external electrical equipment in open-air conditions.

Unlike indoor or GIS terminations, outdoor terminations operate in direct exposure to wind, rain, UV radiation, এবং দূষণ. ফলে, they must provide strong insulation, reliable sealing, and long-term resistance to environmental stress.

অনুশীলনে, the termination creates a smooth transition from the cable insulation (typically XLPE) to air insulation. একই সময়ে, it controls the electric field at the cable end to prevent discharge or failure.

Relationship Between Outdoor Termination and GIS Termination

Outdoor termination and GIS সমাপ্তি serve similar purposes but operate in different environments.

An outdoor termination connects the cable to air-insulated equipment. বিপরীতে, a GIS cable termination connects the cable to gas-insulated switchgear inside a sealed enclosure.

তবে, both types share key design principles. যেমন, both must control electric stress, maintain insulation integrity, and ensure reliable conductor connection.

এই কারণে, engineers often compare outdoor termination kits with GIS cable termination systems, especially when deciding between air-insulated and gas-insulated substations.

Cable GIS Termination

Main Components of a 132kV Outdoor Termination Kit

A high-quality outdoor termination kit includes several critical components. Each part plays a specific role in overall performance.

স্ট্রেস কন্ট্রোল সিস্টেম

The stress control system manages the electric field at the end of the cable insulation. এটা ছাড়া, electrical stress would concentrate at certain points and increase the risk of failure.

Manufacturers use stress cones or pre-molded stress control elements to distribute the field evenly.

Insulation Body

The insulation body provides the main dielectric barrier. It allows the cable to transition safely from solid insulation to air.

Silicone rubber is widely used because it offers flexibility, weather resistance, and excellent insulation performance.

Sheds (Weather Protection)

Outdoor terminations include sheds, also known as skirts, along the insulation body. These sheds increase the creepage distance and protect the surface from contamination.

ফলে, the termination can operate reliably even in polluted or coastal environments.

কন্ডাক্টর সংযোগকারী

The conductor connector links the cable conductor to external equipment. It must provide low resistance and strong mechanical stability.

Proper connection helps avoid overheating and ensures efficient current flow.

সিলিং সিস্টেম

The sealing system prevents moisture from entering the cable. Since outdoor environments involve humidity and rain, effective sealing is essential for long-term reliability.

Mounting Structure

The mounting structure supports the termination and keeps it aligned with the connected equipment. It must withstand wind load and mechanical stress.

Cable Outdoor Termination

Types of 132kV Outdoor Termination Kits

Different project conditions require different termination designs.

Pre-Molded Outdoor Termination

Pre-molded terminations use factory-made silicone rubber components. They offer consistent quality and faster installation.

Because of their reliability, they are widely used in modern substations.

Cold Shrink Termination

Cold shrink terminations use elastic materials that shrink onto the cable after installation. They simplify the installation process and reduce the need for heating tools.

Heat Shrink Termination

Heat shrink designs require heating to fit tightly onto the cable. They are cost-effective but require more installation control.

Cable Outdoor Termination Accessories

তারের কন্ডাক্টর সাইজ টেবিল (25 mm² থেকে 3000 মিমি²)

When selecting a 132kV cable outdoor termination kit, conductor size plays a critical role. It affects electrical performance, thermal behavior, এবং যান্ত্রিক নকশা.

Below is a practical reference table covering conductor sizes from 25 mm² থেকে 3000 মিমি².

Conductor Cross-Section and Technical Parameters

কন্ডাক্টরের আকার (মিমি²)প্রায়. AWG/MCMকন্ডাক্টর ব্যাস (মিমি)ডিসি প্রতিরোধ (Ω/কিমি @20°সে)সাধারণ বর্তমান ক্ষমতা (ক)আবেদনের স্তর
254 AWG5.60.727150-180নিয়ন্ত্রণ / ছোট লোড
352 AWG6.70.524180-220হালকা বিতরণ
501/0 AWG8.00.387220-270বিতরণ
702/0 AWG9.60.268260-320মাঝারি লোড
953/0 AWG11.00.193300-370সাবস্টেশন ফিডার
1204/0 AWG12.40.153340-420মাঝারি HV
150300 এমসিএম13.90.124380-470সংক্রমণ
185350 এমসিএম15.50.099420-520সংক্রমণ
240500 এমসিএম17.50.075480-600132কেভি স্ট্যান্ডার্ড
300600 এমসিএম19.50.060550-680প্রধান ফিডার
400800 এমসিএম22.60.047650-800ভারী বোঝা
5001000 এমসিএম25.20.036750-920এইচভি সংক্রমণ
6301250 এমসিএম28.30.028850-1050Common 132kV
8001600 এমসিএম31.90.0221000-1200বাল্ক শক্তি
10002000 এমসিএম35.70.0171150-1400বড় সাবস্টেশন
12002500 এমসিএম39.10.0151300-1550গ্রিড ব্যাকবোন
1400-42.20.0131400-1700অতিরিক্ত ভারী বোঝা
1600-45.20.0111550-1850বড় ট্রান্সমিশন
2000-50.50.0091750-2100প্রধান গ্রিড
2500-56.40.0072000-2400অতি উচ্চ চাহিদা
3000-61.80.0062200-2600চরম ক্ষমতা

How Conductor Size Affects Outdoor Termination Design

Cable size directly influences termination design.

Larger conductors require stronger mechanical support. অতএব, the termination must handle higher weight and installation stress.

উপরন্তু, electrical stress distribution changes with conductor size. Engineers must adjust stress control components accordingly.

তাছাড়া, higher current leads to increased heat generation. ফলে, thermal performance becomes more important for large cables.

Installation also becomes more complex as cable size increases. Larger cables require careful handling and precise alignment.

GIS সমাপ্তি

Installation of 132kV Outdoor Termination

Installation quality determines long-term performance.

প্রথম, technicians prepare the cable carefully, ensuring that insulation layers remain intact. Clean working conditions are essential.

পরবর্তী, they install stress control and insulation components. তারপর, they connect the conductor and assemble the termination.

তার পর, they mount the termination and complete sealing. অবশেষে, testing confirms proper electrical performance.

Advantages of Outdoor Termination Kits

Outdoor termination kits offer several advantages.

They are suitable for open-air installations.
They provide strong resistance to environmental conditions.
They support flexible system design.
They are compatible with various equipment types.

এসব সুবিধার কারণে, they remain widely used in transmission systems.

Applications of 132kV Outdoor Termination

Outdoor terminations are commonly used in:

  • Overhead line connections
  • Transformer connections
  • Air-insulated substations
  • Renewable energy installations

একই সময়ে, GIS termination systems are used where space is limited or environmental protection is required.

132kV Cable Outdoor Termination Kit

132kV Cable Outdoor Termination Kit plays a critical role in high-voltage transmission systems. It ensures a safe and stable connection between cables and external equipment.

From stress control to environmental protection, every detail affects performance. উপরন্তু, conductor size selection—from 25 mm² থেকে 3000 mm²—must match both electrical and mechanical requirements.

Whether used alone or alongside cable termination solutions, outdoor terminations remain an essential part of modern power infrastructure.