Petroleum and petrochemical companies choose with main cables

(I) Cross-linked cables Current cross-linked cables of refinery companies have completely replaced power cables, and are mainly applicable to rated voltages of 35kV and below, transmission and distribution systems. The rated voltages are: 0.6/1kV, 1.8/3kV, 3.6/6kV, 6/6kV, 6/10kV, 8.7/10kV, 8.7/15kV, 12/20kV, 18/30kV. The commonly used cross-linked cable product model is: ZR-YJV series. Maximum permissible operating temperature for cable conductors: 90 °C for XLPE insulated cables. Information from: transmission and distribution equipment network (2) Control cable control cable scope of application: applicable to metallurgy, electric power, petrochemical and Other industrial and mining enterprises in AC rated voltage (U ○ / U) 450/750V and below electrical instrumentation, with Signal transmission, control and measurement systems for electrical devices. Its rated voltage is: 0.45/0.75kV. Common product models are: ZR-KVV, ZR-KYJV, ZR-KYJVP, ZR-KVVR, ZR-KVVRP, ZR-KVVP, ZR-KVVP2, ZR-KVVP22, KVVP/NA, ZR-KVVP2-22; KFV, KFF , KFVP, KFVR, KFFR, etc. Maximum permissible operating temperature of cable conductors: crosslinked polyethylene insulated cable 90°C, PVC insulated cable 70°C, low-smoke halogen-free flame-retardant polyolefin insulated cable 70°C, 90°C, fluorine plastic insulation 150 °C~250°C. Silicone rubber insulation is 180°C.

(3) Computer Cable Computer Cable Scope of Application: Twisted pair shielded signal cable is one of the special cables for electronic computer systems and is an urgently needed auxiliary product for modern industrial construction. It is widely used in energy industry, metallurgical industry, petroleum, chemical industry and other factories and mines. Scientific research department's electronic computers, instrumentation, various automatic detection equipments and other information transmission and control systems; especially suitable for computer distributed control systems, transmitting the detection, control, analog and digital signals of process variables of production devices. Its rated voltage is: 0.3/0.5kV. Common cable types include: DJYVP, DJYPVP, ZR-DJYVP, ZR-DJYP2VP2, ZR-DJYPV22, DJYVP/NA, ZR-IA-DJYPVP, ZR-IA-DJYVP, etc. The maximum long-term allowable working temperature of cable conductors is: PVC insulated cable is 70°C, cross-linked polyethylene insulated cable is 90°C, fluoroplastic insulated cable is 150°C to 250°C, silicone rubber insulated cable is 180°C.

(IV) Inverter special cable Inverter special cable is mainly used in the drive system of steel, petrochemical, power station construction, light industry, and assembler, etc. Inverter systems and supporting electric components; this product has superior performance, various technical indicators Consistent with ABB's technical conditions. The implementation standard is: Q/75230256-2.6-2004 standard. Its rated voltage is: 0.6/1kV, 1.8/3kV, 3.6/6kV, 6/6kV, 6/10kV. Common cable types are: MXTJFP-A, MXJGFP-A. Cable conductor long-term operating temperature: 90 °C. In the event of a short circuit (maximum of 5 S max.), the maximum permissible operating temperature of the cable conductor: 250 °C. Recommended cable bending radius: It should not be less than 12 times the cable's outer diameter. Minimum ambient temperature (fixed installation): -60°C. Shielding performance: Shielding suppression coefficient S<0.001.

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