Metal shield power cable It is applicable to power transmission in AC/DC power systems with rated voltage of 0.6/1kv and below. The product has the characteristics of strong electromagnetic interference, lightning resistance, potential equalization, and improvement of power supply quality, and is especially suitable for computer centers, aerospace monitoring centers, intelligent buildings and other accurate electronic devices.
■ Executive standards
Enterprise standard
■ Usage characteristics
1. DC resistance of conductor
Reference polychloride ethylene Insulation and sheath power Cable
2. AC voltage test
The finished cable will not break down under the test voltage of AC 50HZ, 5min and 3500V. For single core cable, immersion voltage withstand test shall be carried out. Fire resistant cable and flame retardant cable shall meet the requirements of fire resistance and flame retardancy respectively.
3. See the following table for insulation resistance:
performance
PVC insulation
XLPE insulation
Volume resistivity ρΩ. cm at 20 ℃
At cable operating temperature
one thousand and thirteen
one thousand and ten
-
one thousand and twelve
Insulation resistance constant Ki M Ω. km at 20 ℃
At cable operating temperature
thirty-six point seven
zero point zero three six seven
three point six seven
■ Model name
model
name
Copper core
Aluminium core
VV-P
YJV-P
VLV-P
YJLV-P
PVC (cross-linked polyethylene) insulated metal shielded PVC sheathed power cable
VV22-P
YJV22-P
VLV22-P
YJLV22-P
PVC (cross-linked polyethylene) insulated metal shielded steel tape calcium sheathed PVC sheathed power cable
VV32-P
YJV32-P
VLV32-P
YJLV32-P
PVC (cross-linked polyethylene) insulated metal shielded fine steel wire calcium sheathed PVC sheathed power cable
Note: including flame retardant and fire-resistant type, aluminum core has no fire-resistant type
■ Rated voltage, nominal section and number of cores of cable
model
Number of cores
Nominal section mm2
Copper core
Aluminium core
VVP YJV-P
VLV-P YJLV-P
one
4~300
VVP YJV-P
VV22-P YJV22-P
VV32-P YJV32-P
VLV-P YJLV-P
VLV22-P YJLV22-P
VLV32-P YJLV32-P
two
4~185
three
4~300
3+1
four
4~185
Metal shielded frequency conversion power cable
Product features and uses
This product is applicable to frequency conversion control systems with AC rated voltage of 0.6/1KV and below as power supply cables or electrical connecting lines. The product has strong anti electromagnetic interference and can reduce frequency conversion electric machinery Noise to ensure stable operation of the system. It is especially suitable for accurate electronic device places, such as intelligent buildings, computer centers and aerospace monitoring centers.
Executive standards
Q/CF006
Flame retardancy and fire resistance test shall be carried out in accordance with GB12666-90 standard
Use Properties
1. AC rated voltage: U0/U 0.6/1KV
Higher operating temperature: silicon rubber The insulation temperature is 180 ℃, the fluorine 46 insulation temperature is 200 ℃ and 260 ℃, the PVC insulation temperature is 70 ℃, and the cross-linked polyethylene insulation temperature is 90 ℃.
Low ambient temperature: not less than - 60 ℃ for fixed laying; PVC sheathed cable shall not be lower than - 40 ℃.
2. The installation and laying temperature of cables shall not be lower than 0 ℃ (fluoroplastic, silicone rubber, nitrile sheathed cables shall not be lower than - 25 ℃).
3. Allowable bending radius of cable: single core cable is smaller than 20 times of cable outer diameter, and multi-core cable is not less than 15 times of cable outer diameter.
Model and name
Table 1
model
name
Copper core
Aluminium core
VV－P
YJV－P
VLV－P
YJLV－P
PVC (cross-linked polyethylene) insulated metal shielded PVC sheathed power cable
VV22－P
YJV22－P
VLV22－P
YJLV22－P
PVC (cross-linked polyethylene) insulated metal shielded steel tape armored PVC sheathed power cable
VV32－P
YJV32－P
VLV32－P
YJLV32－P
PVC (cross-linked polyethylene) insulated metal shielded fine steel wire armored PVC sheathed power cable
VV42－P
YJV42－P
VLV42－P
YJLV42－P
PVC (cross-linked polyethylene) insulated metal shielded thick steel wire armored PVC sheathed power cable
ZR－VV－P
ZR－YJV－P
ZR－VLV－P
ZR－YJLV－P
Flame retardant PVC (XLPE) insulated metal shielded PVC sheathed power cable
ZR－VV22－P
ZR－YJV22－P
ZR－VLV22－P
ZR－YJLV22－P
Flame retardant PVC (cross-linked polyethylene) insulated metal shielded steel tape armored PVC sheathed power cable
ZR－VLV32－P
ZR－YJV32－P
ZR－VLV32－P
ZR－YJLV32－P
Flame retardant PVC (cross-linked polyethylene) insulated metal shielded fine steel wire armored PVC sheathed power cable
ZR－VV42－P
ZR－YJV42－P
