HV electric power cables different types of electrical cables

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Specifications

Different types of electrical cables
1.IEC standard Made in China
2. factory price distributor
3, 12 years produce experience

HV/MV/LV PVC/ XLPE/ Copper/aluminum

Armoured/unarmored electric power cables

Different types of electrical cables

 

 

Operational performance

1.installation temperature:≥0°C

2. long-term permissible operation temperature≤90°C

3.Under the condition of short circuit (the max. continuing time should not exceeding 5 seconds) the max. operation temperature:250°C

4.minimum bending radius:

   single-core cable: 20D, mm

   multicore   cable: 15D, mm

Note:  D means the actual outer diameter of cables

5. Suitable areas :

    Direct burial in the ground and the capacity of bearing certain mechanical force, not proper in the pipeline

6.Main electrical characteristics

 

 different types of electrical cables

Main electrical characteristics

The type, Name, Suitable areas

 

 different types of electrical cables

 

Type

 

Name

 

Suitable areas

 

Copper-conductor

 

AL-conductor

YJV

YJLV

XLPE-insulated cable sheathed with PVC

Indoor, tunnel, cable channel

YJY

YJLY

XLPE-insulated cable sheathed with polythene

YJV22

YJLV22

XLPE-insulated cable sheathed with PVC and armored with steel tape

Direct burial in the ground and the capacity of bearing certain mechanical force, not proper in the pipeline

YJV23

YJLV23

XLPE-insulated cable sheathed with polythene and armored with steel tape

YJV32

YJLV32

XLPE-insulated cable sheathed with PVC and armored with thin steel wire

The bed of river and shallow sea, as the link line between the two platforms of oil and gas station in the water, the capacity of bearing tensile force.

YJV33

YJLV33

XLPE-insulated cable sheathed with polythene and armored with thin steel wire

YJV42

YJLV42

 

XLPE-insulated cable sheathed with PVC and armored with thick steel wire

YJV43

YJLV43

 

XLPE-insulated cable sheathed with polythene and armored with thick steel wire

 

Conductor

Compact Stranded Copper Conductor, Class 2 as per IEC 60228

Circular solid Copper Conductor, Class 1 as per IEC 60228

Flexible Stranded Copper Conductor, Class 5 as per IEC 60228

Conductor Screen

Semi-conductor (MV only)

Insulation

XLPE(Cross-linked polyethylene)

Insulation Screen 

Semi-conductor (MV only)

Separate Screen 

Copper Tape (MV must, LV optional)

Filler

PP Yarn, or Paper

Wrapping Tape

PP

Inner Covering

Extruded PVC (MV only)

Armour

Steel Wire, or Steel Tape, or Aluminium Tape or unarmored

Overall Sheath

PVC or PE

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Q:Power cable inspection, how many meters should be sampled?
installation quota: cable ZR-YJV-4 * 70 + 1 * 35 is a five-core cable, you can refer to sets of "copper power cable laying cable (section mm2 below) 120? Cable "quota, and the fixed sub-sub-multiplied by the coefficient 1
Q:"Cable laying" cable cross-sectional area refers to the cable cross-sectional area, or refers to the copper core cross-sectional area
YJV22 indicates "copper core XLPE insulated, steel tape armored PVC sheathed power cable" 0.6 / 1KV indicates its pressure rating, 5 * 10 represents the cross-sectional area of each wire diameter Is square mm, referred to as the square, the diameter of the conversion is 4.05
Q:Ceiling on the wire after the tube is the tube on how to fix it on the ceiling?
General telephone lines, lighting control lines or wire diameter in the 1.5 square millimeters of small lines with 4 points. More than the aforementioned line will use the 6 points.
Q:A sub-eight splitter, behind the link ONU equipment, which also need to add fiber patch panels, or can be directly connected?
How do you not say that the three-phase system or two-phase system, if the two systems is the power in addition to the voltage is equal to the current, three-phase power per kilowatt multiplied by 2 equal to the current, such as 220V, 3000W / 220V = 13.6A, 380V, 3KW * 2 = 6A. Wire 10 square below, each square can be with 5A, which is the calculation of aluminum core line, copper wire line operator count, 220V aluminum core must be greater than 2.5 square, copper core must be greater than 1.5 square, 380V with aluminum core The line must be greater than 1.5 square and the copper wire must be greater than 1 square. At this time should also consider the equipment to start the current and increase the appropriate diameter.
Q:Ask you a question: how the computer CD-ROM power supply 5V and 12V two lines? Another audio and video cable which group?
Cable bridge at both ends to be installed across the ground wire, ground wire diameter can not be less than 16mm2. Wire ends and wire ends of the middle box to be installed at both ends of the ground wire, grounding wire diameter can not be less than 6mm2. Full length bridge with the grounding system connected to not less than 2. Cable bridge is divided into trough, tray and ladder-type, mesh and other structures, by the bracket, arm and installation accessories and other components. Can be set up independently, can also be attached to a variety of structures (structures) and corridor stent, reflecting the structure is simple, handsome in appearance, flexible configuration and easy maintenance features, all parts are required galvanized, installed in the building Outside the bridge, if it is in the vicinity of the sea or belong to the corrosion area, the material must have anti-corrosion, moisture resistance, good adhesion, high impact resistance of the physical characteristics. According to the relevant provisions of the specification, galvanized cable bridge for a good grounding. galvanized cable tray direct board each fixed bolt contact resistance should be less than 0.005Ω, then the cable bridge can be used as a ground trunk (dusting cable tray should not be used as a grounding line), the resistance of each cable bridge can be the following formula Calculate: r = ρ · L / S where: ρ = 15 × 10Ω-6 / cm (20 ℃); L = length calculated by 100mm; S = cross-sectional area of ​​cm2. The unit resistance value of the ladder on the pallet is shown in Table 2. The unit resistance value of the cable duct is shown in Table 3 The resistance of each ladder (or each cable slot) after the installation of the cable tray is the total: R = R (r + 1 / 3r ') where: R - ladder, that is, (cable trough) total length of the total resistance (mΩ); r - ladder unit length resistance (mΩ / m)
Q:Power cable 5-color line, respectively, what color, what role?
Copper core cross-linked polyethylene insulated double steel tape armored PVC sheathed power cable, rated voltage 8.7 / 15KV, three core, conductor cross-sectional area of 300mm2
Q:20 tons of double beam traffic acceptance standards and content which
This phenomenon is generally the audio input has an AC signal amplified by the amplifier after the results, supplies a little short and good quality of the input of the smooth exchange of spring spring to help Tong burst Kun line test, if not improved that is the receiver problem.
Q:30 on the large number of cable how to fight on the 110 patch panel, how to order, please inform, thank you, which
Is the size of the power cord size, that is, the thickness of the power line diameter, 4 square power cord diameter is 2.2 mm thick, the safety current between about 25-32A, that is, can withstand electrical power at 5500 watts or .000 watts Depends on the laying of the power cord, that is, the laying of dark lines or laying the line, the size of the safe current is not the same. Generally more than 2 air-conditioning use 2.5 square copper wire, 2 or more air conditioning should use 4 square copper wire.
Q:How high voltage armored power cable is grounded
Copper braided wire for cable and shielding lead wire. Stripped of the core of the copper shield with the outer layer of the plastic belt, the shield copper belt polished smooth, with electric iron, solder braided copper braid were welded in the three core copper shield tape. And then use the emery cloth polished armored steel strip welding area, with a soft copper wire and copper shield belt tied with three armored steel, and then use electric iron, solder braided copper braided with armored steel belt. In the sealed ground to fill the braided wire with solder to form a moisture-proof section.
Q:1omoons / days sensitive quad-core network set-top boxes can be used on old-fashioned televisions.
Set-top box on the TV next to a method is to use the network cable connected to the computer, another method is in the set-top box next to a wireless router, the computer can not be used to use the network, if there is no dark Set the network cable, you can also use the power network adapter to the network set-top box out of the network cable connected to the power adapter, through the power line to connect the computer Internet. As long as enough 4M, regardless of rural or urban are the same, I now use the 4M broadband, basically not card.

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