Power cable yjv has the difference between armored and unarmored, armored cable, in fact, from the name we can think of this cable has a very prominent performance advantage in mechanical strength and erosion resistance.
Armored cable is the cable contained in the armored layer so that the cable can be applied to different environments.
What is armored cable, and what is non-armored cable? The following ZMS cable editorial introduces their meaning and what are the differences between the two in detail.
Armored cable is made of different material conductors in a metal sleeve with insulating material, which is processed into a solid combination that can be bent.
A layer of metal is added to the outermost part of the product to protect the inner utility layer from damage during transportation and installation. In cable armoring, an insulating sheath is usually added to the outside.
The materials of cable armor include steel tape, steel wire, copper tape, tinned steel wire, and so on, and their selection is mainly based on the customer's usage environment and requirements.
Armored cables include an armored thermocouple, armored RTD, armored heater, and armored lead, which are mainly used for temperature measurement, signal transmission, and special heating in the chemical industry, metallurgy, machinery manufacturing, power generation, and a scientific test, etc. The largest amount is an armored thermocouple.
Non-armor cable is the cable without a steel armor protection layer.
The insulation performance of the cable is very important to ensure the safe operation of the power supply system, so it is necessary to detect the insulation performance of the cable and find the potential defects of the cable as early as possible.
Most of the current research is focused on armored cables, but few people have studied the insulation testing methods of unarmored cables.
The insulation inspection methods used mainly include the partial discharge method, fiber optic temperature measurement method, leakage current method, etc.
The difference between armored cable and unarmored cable
The Two Structures are Different
Compared with unarmored cable, armored cable has an extra layer of metal reinforcement on the surface.
The Application Scope is Different
Armored cable has a reinforcement layer on the surface, which is suitable for use when buried in the ground.
The non-armored cable has no reinforcement layer on the surface, so it can't be buried underground, but in other cases, it's usually used for non-armored cable.
Different Function
Armored cable is used when buried in the ground.
In the case of direct burial and laying, it is necessary to use armored cable.
The non-armored cable cannot be used when buried in the ground, but in other cases, the non-armored cable is used.
The Advantages of Armored Cable
1、Armored cable mechanical protection layer can be added to any structure of the cable to increase the mechanical strength of the cable and improve the corrosion resistance, designed for area which is easily damaged by machinery and highly susceptible to erosion.
It can be laid in any way, among which steel armor cable is usually laid flat and can withstand external force in the horizontal direction.
The steel wire armored cable is mostly used for vertical installation in vertical shafts and other places.
2、The cable with an armored layer can also enhance mechanical protection such as tensile and compression resistance, and prolong service life.
3、Armored cable has a certain resistance to external force, also can prevent rat bite, and will not cause power transmission problems through the armor.
The bending radius of the armored should be large, and the armored layer can be directly grounded to protect the cable.
The Role of Armored Cable
The purpose of cable plus armored layer is not only to enhance the tensile strength, compressive strength, and other mechanical protection to extend the service life. The armored has a certain resistance to external force and can also prevent the mat from tearing and not cause power transmission problems through the armored.
The bending radius of the armored cable should be large, and the armored layer can be grounded to protect the cable.
The mechanical protection layer of armored cable can be added to any structure of the cable to increase the mechanical strength of the cable and improve its anti-erosion ability, enhance the tensile strength, protect the cable, and other advantages.
The armored cable also has a certain resistance to external force, which can prevent the mouse from biting the cable and causing power transmission problems through the armor.
Use of Armored Cable
An armored cable is generally a fixed laying power cable, which is fixed in one place and does not move, and the power line transmits electric power.
B Suitable for underground direct burial can make the armored cable direct buried laying without wearing a tube and is a cheap and good quality in actual use, very suitable for direct buried laying in rocky areas.
C Armored cable is suitable for highways, roadside, around the residential area, parking lots, pedestrian streets, and other places with a large pressure, etc.
Armored Cable Type
Steel belt armored cable models are VV22, VVP22, ZRVV22, and NH-VV2.
Control cable steel with armored cable, model number KVV22, KVVP2, KVVP22, ZR-KVV22.
The steel wire armored power cable, model number VV32, YJV32, ZR-VV32.
Steel wire armored control cable Model No. KVV32 KVVP32.
Armored communication cable models: HYA53, HYAT53, HYA23, HYV22, HYA22 (rat-proof, buried).
In fact, for armored cable we can have a very simple understanding of armored and unarmored, you can see the armor as armor.
For example, if the cable is buried directly, if it is not armored, it is easy to be pierced by sharp objects to the sheath and insulation layer, which may cause a grounding accident, so that we can easily remember a very important performance advantage of armored cable.
The above is a brief introduction to armored cable, if you have any questions on the purchase of armored cable, welcome to consult us by email, we will have professional cable sales representatives to solve your problems.
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