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HV CABLE, also known as high voltage power cable, is a type of electric cable used to transmit electricity with high voltage, usually 50 kV or more. HV CABLE plays an important role in the national electricity system, helping to connect power plants, transformer stations and electricity consumption areas together, ensuring safe and reliable electricity supply for all production activities. and life.
1. Structure of HV CABLE
HV CABLE is made up of many different layers of materials, each layer has a separate function to ensure safe and effective power transmission. The main components of HV CABLE include:
- Conductor: Made of copper or aluminum, responsible for conducting electricity.
- Conductor shield: Helps protect the conductor from the impact of external environmental factors.
- Insulation: Helps isolate wires from each other and protect them from electrical leakage.
- Insulation shield: Helps protect insulating materials from the effects of external environmental factors.
- Metal shield: Helps protect the cable from electromagnetic interference and creates a low resistance path for error currents.
- Jacket: Protects the cable from mechanical impacts, chemical environments and UV rays.
2. Classification of HV CABLE
HV CABLE is classified according to two main criteria: rated voltage and structure.
Classified according to rated voltage:
- Medium voltage (MV) cable: Has rated voltage from 2 kV to 33 kV.
- High voltage (HV) cable: Has rated voltage from 50 kV to 330 kV.
- Extremely high voltage (EHV) cable: Has a rated voltage of 500 kV or more.
Classified by structure:
- Three-phase concentric cable: This is the most common type of cable, widely used in electrical systems.
- Three-phase pneumatic cable: Using compressed air to insulate the cable, helps increase insulation and reduce cable size.
- Three-phase oil-soaked cable: Uses mineral oil to insulate the cable, has good electrical insulation and can withstand high voltage.
3. Advantages and disadvantages of HV CABLE
Advantage:
- Ability to transmit large power over long distances.
- Less affected by external environmental factors.
- Safe and reliable.
Defect:
- High investment costs.
- The construction and installation process is complex.
- High requirements for technical qualifications and labor safety.
4. Application of HV CABLE
HV CABLE is widely used in many different fields, including:
- Transmission of electricity from power plants to transformer stations.
- Connect transformer stations together.
- Supplying electricity to industrial parks, residential areas and other projects.
- Undersea cables to connect national power systems together.
5. Conclude
HV CABLE plays an important role in the national electricity system and in social life. With outstanding advantages in power transmission capacity, HV CABLE is the top choice for large power projects.
Why choose SHOGO Viet Nam?
1. Quality Commitment: SHOGO Viet Nam.,JSC is the No. 1 Busbar and HV Cable manufacturer in Viet Nam for the new energy industry. We are committed to providing our customers with products of the highest quality standards. All raw materials are inspected for quality before production, and 100% of products are thoroughly inspected before delivery. SHOGO Viet Nam holds prestigious certificates: IATF16949-2016, ISO 9001-2015, ISO 14001-2015, ISO/IEC 17025-2017,…
2. Competitive Pricing: With a team of experienced engineers who have participated in many electric vehicle production projects, SHOGO Viet Nam can provide product consulting to help customers optimize production costs and improve product quality. With a geographical location that is convenient for trading, along with modern machinery and technology, SHOGO Viet Nam can provide products at the most competitive prices on the market.
3. Dedicated Service: With a team of experienced employees, large production capacity and reasonable supply, SHOGO Viet Nam always ensures on-time delivery for customers. Support customers in all projects, quickly handle arising problems.
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