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What is the full form of XLPE cable?
XLPE = Cross-Linked Polyethelene There are actually two semi-conductive layers on high voltage cable. One is between the actual conductors and the XLPE. The other semi-con is on outside of the XLPE insulation underneath the concentric neutral. The semi-con is used to equalize the electrical stresses over a large area. For example, most conductors are made up of multiple strands of copper or aluminum. The outer edge of the conductor bundle is not smooth. It has several ridges on the outer edge where the individual strands meet one another. These high spots will stress the insulation leading to a premature failure. The internal semi-con makes a smooth voltage level for the XLPE where it meets the conductor strands.
What is the british standard for xlpe cable?
Xple500 cable900 x 300b2
What is the current carrying capacity of 3.5 core 300 sqmm xlpe cable?
350-400Amps
What is the meaning of A2xwy in cable?
Aluminium conductor. XLPE. Nonmagnetic armour, PVC outer sheath
Current capacity of 95 sq mm 3.5 C 440V AYFY cable?
what is the maximum load current of 3X95+50 cable cu, xlpe
What is the purpose of semiconductor over XLPE?
The purpose of the semiconductor over XLPE is to equalize the electrical stresses over a large area.
What is the meaning of the 2xfy in cable?
Copper XLPE Armoured Power Cables.
What is xlpe resin?
XLPE (cross-linked polyethylene) resin is a type of thermosetting polymer used in the manufacturing of electrical cables. It offers high thermal and chemical resistance, excellent electrical properties, and low water absorption. XLPE resin is commonly used in medium to high voltage power cables for transmission and distribution of electricity.
What is maximum minimum temperature of submarine XLPE cables?
The maximum operating temperature for submarine XLPE cables is typically around 90 degrees Celsius, while the minimum temperature for operation would be around -15 to -20 degrees Celsius. These temperature ranges ensure that the cables can function effectively in various marine environments.
Why drop voltage in xlpe cable is more than PVC cable?
The higher voltage drop in XLPE cables compared to PVC cables is due to the different electrical properties of the materials. XLPE has a lower dielectric constant and higher resistivity than PVC, leading to a higher internal resistance and therefore higher voltage drop. Additionally, XLPE cables usually have a higher operating temperature, which can also contribute to increased voltage drop.
What is the meaning of 2xwy in cables?
2X - XLPE insulation W - Copper conductor Y - PVC sheath
What is full form of the XLPE?
The full form of XLPE is Cross-Linked Polyethylene. XLPE is a type of polyethylene in which the polymer chains are chemically linked, or cross-linked, to improve its thermal and mechanical properties. This cross-linking enhances the material's resistance to heat, pressure, and environmental stress, making it suitable for use in insulation for high-voltage cables and wires.
Why using semiconductor protection for HT cable?
In a HT cable there are 2 layers of semiconductor one on the conductor and second on the XLPE insulation. As we know semiconductor behaves as conductor when temperature rises. So when the HT cable is on load its conductor temperature rises due to this the semicon layer which is on conductor behaves like conductor and as a result overall cross section area is increased. now the second semicon layer which is over XLPE on temp rise behaves as conductor and used for dessipating heat out of conductor as the cable heat due to load.
What are the dimensions of underground trench for laying xlpe hv and ehv undeground cables?
Its depending on cable dimension, current carring capacity and soil thermal resistivity.
Why smicon use xlpe cable?
Smicon uses XLPE (cross-linked polyethylene) cable due to its superior electrical properties, thermal resistance, and mechanical strength. XLPE cables can withstand higher temperatures and provide excellent insulation, making them suitable for various applications, including power transmission and distribution. Additionally, they have a longer lifespan and better resistance to environmental stressors, enhancing reliability and reducing maintenance costs.
What is the disadvantage of xlpe cable?
One disadvantage of XLPE (cross-linked polyethylene) cable is its higher cost compared to other insulation materials, such as PVC, which can make it less economical for certain applications. Additionally, XLPE cables can be more rigid and less flexible, making installation more challenging in tight spaces. They may also be susceptible to damage from UV exposure if not properly protected, potentially reducing their lifespan in outdoor applications.
What is the difference between a sioplas line and a ccv line for manufacturing of xlpe cables?
sioplas is a temperature based curing and ccv is pressure based curing .this is general difference. gulab chand
