Several major categories of power cables
2020-09-08 09:53:36
Wire and cable mainly include oil immersed paper insulated lead wrapped wire and cable, rubber insulated wire and cable, polyvinyl chloride insulated, polyvinyl chloride sheathed wire and cable, self-sufficient oil filled cable, etc.
Wires and cables mainly include oil-impregnated paper insulated lead-covered wires and cables, rubber insulated wires and cables, PVC insulated, PVC sheathed wires and cables, self-contained oil-filled cables, etc. After understanding the type of cable, Oda will provide the master with some examples to prove it.
1 PVC insulated wire and cable
Vinyl chloride plastic has good physical hysteresis properties. Flooding is used to create low voltage wires and cables of 1kV and below for use in low voltage distribution systems.
2 rubber insulated wires and cables
Flexible cables for removable wires and cables are mainly used where companies often need to change their laying locations. Use natural rubber for insulation. If the voltage level is 1KV, you may want to consume a 6KV level.
3 extruded insulated cable
Insulated overhead wires threaded on poles, the insulation layout margin can be smaller than wires and cables. The insulation is made of polyvinyl chloride or polyethylene. It is usually made into a single core wire, but it can also be twisted into a cable bundle with 3 to 4 phase insulated core wires without a protective sheath, which is called a cluster-type extruded cable.
4 variable frequency cable
The operating frequency is 30~300Hz, and the connected polyethylene is an insulating material.
5 rubber sheathed cable
This is a flexible removable cable with multiple strands of thin copper wire as the conductor, rubber insulation and rubber sheath.
6 anti-burning cable
Under the premise of deciding to inspect, the sample has been burned. After removing the fire source for inspection, the length of the fire was only within the specified range, and the remaining flames may have burned. A cable that can be extinguished within a specified time. The peculiarity is that it can be burned down and inoperable in a fire situation, but the Mann can stop the fire.
7 fire-resistant cable
Indicates that the sample burns in a fire under the premise of decision-making and inspection, and can still protect the individuality of normal operation within the specified time. Specialty is a common method that can protect the line for a period of time if the cable is burning.
Type A fire-resistant cable has better fire resistance than type B.
8 moisture-proof cable
1 PVC insulated wire and cable
Vinyl chloride plastic has good physical hysteresis properties. Flooding is used to create low voltage wires and cables of 1kV and below for use in low voltage distribution systems.
2 rubber insulated wires and cables
Flexible cables for removable wires and cables are mainly used where companies often need to change their laying locations. Use natural rubber for insulation. If the voltage level is 1KV, you may want to consume a 6KV level.
3 extruded insulated cable
Insulated overhead wires threaded on poles, the insulation layout margin can be smaller than wires and cables. The insulation is made of polyvinyl chloride or polyethylene. It is usually made into a single core wire, but it can also be twisted into a cable bundle with 3 to 4 phase insulated core wires without a protective sheath, which is called a cluster-type extruded cable.
4 variable frequency cable
The operating frequency is 30~300Hz, and the connected polyethylene is an insulating material.
5 rubber sheathed cable
This is a flexible removable cable with multiple strands of thin copper wire as the conductor, rubber insulation and rubber sheath.
6 anti-burning cable
Under the premise of deciding to inspect, the sample has been burned. After removing the fire source for inspection, the length of the fire was only within the specified range, and the remaining flames may have burned. A cable that can be extinguished within a specified time. The peculiarity is that it can be burned down and inoperable in a fire situation, but the Mann can stop the fire.
7 fire-resistant cable
Indicates that the sample burns in a fire under the premise of decision-making and inspection, and can still protect the individuality of normal operation within the specified time. Specialty is a common method that can protect the line for a period of time if the cable is burning.
Type A fire-resistant cable has better fire resistance than type B.
8 moisture-proof cable
The insulation layer, filling layer and sheath layer of the wire are all made of exquisite moisture-proof rubber, so they have strong moisture-proof performance. Prove character. Practical water treatment systems, such as submersible pumps, underwater operations, fountains, water feature ring lights, etc.
