Cross-linked polyethylene insulated power cables

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Loading Port:
Shanghai
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TT OR LC
Min Order Qty:
100 m
Supply Capability:
100000 m/month

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Product Description:

I. Product Properties:

1. This product should comply with GB/T12706-2002 national standard.
                            2. Partial discharge test: when rated voltage Uo is 18kV and below, the cable discharge should be less than 20PC; when rated voltage Uo is more than 18kV, the cable discharge should be less than 5PC.  
                                3. 20 ℃ conductor DC resistance: Copper core ≤ 0.017241Ωmm2/mo Aluminum Core ≤ 0.028Ωmm2/m.
                              4. The combustion performance (flame retardant cable) should be tested in accordance with GB/T18380-2001 standard.
                                 
                              II. Characteristics of usage:

1. The maximum long-term temperature of the cable is 90 ℃.
                               2. When the cable is laid out, the ambient temperature should not be less than 0 ℃, and the bending radius of armored cable should be no less than 20 times the outer diameter of the cable.
                             3. In the event of short circuit, the maximum temperature of the conductor should not exceed 250 ℃, and the lasting time of the conductor should be no more than 5 seconds.
                           4. The laying temperature should not be less than 0 ℃.
                         5. In event of short circuit, the maximum temperature of the conductor should not exceed 160 ℃, and the lasting time of the conductor should be no more than 5 seconds.
                               6. The cables are applied to transmission and distribution systems with rated voltage of 0.6 / 1,1.8 / 3,3.6 / 6,6 / 6,6 / 10,8.7 / 10,8.7 / 15,12 / 20,21 / 35,26 / 35KV.
                              7. YJV and YJLV are applied to indoor and outdoor installation, and can withstand a certain degree of laying traction, but can not withstand occasions with mechanical external force. Single-core cables are not allowed to be laid in the pipelines with ferromagnetic materials. YJV22 and YJLV22 are applied to underground laying, can withstand the mechanical external force, but can not afford a big pull.


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The function of the cable connector is used for the protection of the cable
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100-200 door is to call the wiring module, testing and convenient. The The Switch on the use of national prestige WS824 figures. The
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Many, with the cable where the requirements should be used bridge.
Q:Wire and cable manufacturing process (to be detailed)?
Tell you an electrician commonly used "empirical formula": as long as the copper wire, cross-sectional area per square millimeter can be safely through the 4 - 5A rated current; in 220V single-phase circuit, the power per 1KW, the current For the 4.5A or so, in the 380V three-phase balanced circuit, the power per 1KW, the current is about 2A, the above values can be calculated using the physical formula is very close to the results, so the electrician at work, in order to Do not remember those "cumbersome" formula, remember that these can. Then according to this algorithm to know: every 1 mm square cross-sectional area of the copper wire, if used in 220V single-phase circuit, you can safely carry 1KW load through the current, if used in three-phase balanced load (such as motor) Circuit, you can safely carry 2.5KW load through the current

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