YJV22 is the cross -linked polyethylene insulating steel band armor chlorine chlorine protective cover power cable, generally high -voltage cable.
YJV22 is actually a series of YJV, but YJV22 represents two layers of protection. It is the protection of the internal cover and the protection of metal armor. YJV is just only one layer of protective case.Metal armor protection.The use temperature of the two is the same. The working temperature remains at 90 degrees, but when the cable is short -circuited, its maximum temperature cannot exceed 250 degrees, and the longest time limit cannot exceed 5 seconds.YJV and YJV22 can still distinguish between these two cables. The most obvious is the scope and cable quotation of the two -point cable.
YJV22 Cable National Standard
It can only be used for the current that is not higher than the AC electricity 50Hz, and its voltage cannot exceed 35kV, and the normal temperature of this cable is 90 ° C. Regardless of the situation, the maximum temperature in the cable cannot exceed 250 ° C, and this is also possible.Pymalist cables cannot withstand too much tensile.
The cross -linked polyethylene insulated power cable is mainly divided into two materials, one is copper core, and the other is aluminum core.Copper cores of the cross -linked polyethylene insulation power cables are mainly the following: YJV, YJV22, YJV32.The full name of YJV22 is the cross -linked polyethylene insulating steel band armor chlorine chlorine protective cover power cable. Its main function is to bear mechanical external effects, but it cannot be used to withstand huge tensile force and easily damage.The cross -linked polyethylene insulated steel band armor chlorine chlorine protective cover power cable is mainly laid indoors, tunnels, cable signs, or underground buried underground.
YJV22 cable is a cross -crossing steel armor cable.The specifications of each cable are different and the voltage level is different, then its outer diameter is different.Even the main cable area of ??the cable of the same voltage level is the same, but the number of cores is different, the size of the neutral line is different, and the outer diameter of the cable is different.So no one can answer your question.You must tell others the voltage level of the cables, a few core cables, the main core area, the size of the neutral line area, and the area of ??the ground line.If it is YJV22-6/10KV3*300 cable diameter is about 82mm; yjv22-8.7/10kv3*300 cable outer diameter is about 90mm.Or 35 kV 150mm2 conductor diameter is 15.8, the thickness of the conductor shield is 1.0, the insulation thickness is 10.5, the insulation shield is 0.8, and the copper belt is 0.12 thickness.In this way, the single root diameter is 40.88. (15.8+1.0*2+10.5*2+0.8*2+0.12*4) The outer diameter of the cable is 40.88*2.154 = 88.0.8*4. The thickness of the external care case is 3.5 total outer diameter is 102.6.
If there are some differences in the price of YJV22 power cables according to the specifications, 1.5-300mm at the cross section, the maximum temperature of the conductor should be not greater than 250 ° C, and the price is generally 3 yuan and 1 meter.

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