Flame-retardent XLPE Insulated Power Cables for Coal Mining of Rated Voltage 8.7/10kV factory

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China main port
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TT OR LC
Min Order Qty:
500 m
Supply Capability:
50000 m/month

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Product Description:

Specifications

ISO9001:2008, ISO14001, APIQ1, CE
2.Rated voltage:8.7/10kV

 

1. Executive Standard

MT818.13-2009 (Chinese) Cables for coal mine part 13: Cross-linked polyethylene insulation power cables for coal mine rated voltage up to and including 8.7/10kV.

 

Produt Model ,Name and Use shown in Table 1

 

 

ModelNameUse
MYJV22XLPE insulator PVC sheathed power cable for coal miningMainly used for laying indoors and in the tunnel and pipelines. The cable can not bear greater external machanical forces
MYJV22XLPE insulator steel tape armoured PVC sheathed power cable for coal miningMainly used for laying indoors and underground, and in the tunnel and pipelines. The cable can not bear greater machanical tension, but certain machanical pressure
MYJV32XLPE insulator thin steel wire armoured PVC sheathed power cable for coal miningMainly used for laying indoors and underground, and in the tunnel and pipelines. The cable can bear greater machanical tension and certain machanical pressure
MYJV42XLPE insulator thick steel wire armoured PVC sheathed power cable for coal miningMainly used for laying indoors and underground, and in the tunnel and pipelines. The cable can bear certain machanical pressure and greater machanical tension

 

Product Insulation Thickness shown in Table

 

 

 

ModelNominal section(mm2)Conductor DC resistance at 20°C(Ω/km)
No Tin Plating
MVV
MVV22
1.512.1
2.57.41
44.61
63.08
101.83
161.15
250.727
350.524
500.387
700.268
950.193
1200.153
1500.124
1850.0991
2400.0754
3000.0601

 

 

 Flame-retardent XLPE Insulated Power Cables for Coal Mining of Rated Voltage 8.7/10kV factory

 

 

2. Product Working Conditions

(1) The Maximum rated working temperature of the cable conductor is 90 °C.

(2) The Maximum temperature of the cable conductor is 250°C, when it is short-circuited( the longest duration time is 5s)

(3) The Minimum bending radius of the cable is 15 times of the diameter.

 

3. Packaging

   (1) The cable drums for delivery should comply with the requirements of JB/T 8137.

   (2) The coils of cable should be neatly wound on to the cable drums for delivery. The cable end should be tightly encapsulated.

   (3) Only the cable of the same model and specifications is allowed to be wound on to one cable drum.

   (4) The cables provided in rolls or bunches should be packaged in a proper way. The weight of every roll should not be more than 80kg.

   (5) The cable drum should be attached with the packaging signs prescribed in 8.4 and indicate its right rotation direction.

 

4. Transport and Storage

The cables should adjust to all the transport means including the water, land and air transport. In the process of transport and storage, great attention should be paid to:

(1)                                                                                                                                                                     Preventing moisture from entering into the cable.

(2)                                                                                                                                                                     Preventing severe bending and other mechanical damages.

(3)                                                                                                                                                                     Preventing high temperature and exposure to the sunlight.

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50A circuit breaker simply can not bring 30KW load, 30KW load the normal working current is 50-60A. You have to use 3 * 25 copper cable or 3 * 35 aluminum cable, if the distance is large with a large Model, the open selection of 100A.
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Q:What is the meaning of the national standard BVR?
11 Direct through the main edge, ladder and cover plate composition, according to the company's production process, state edge, ladder are used cold forming technology
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In the audio output settings in the output device can be friends, the other can be set to the graphics card does not output audio, the specific operation to forget the
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ZR is a flame-retardant letter representation, flame retardant can be divided into A, B, C, D four grades, A flame retardant performance of the highest, followed by decreasing, national wire and cable industry standard (GB) requirements to C level
Q:3000W of the electrical use of the wire
This is based on the current, single-phase current I = P / U = 3000/220 = 13.6A three-phase current I = P / (1.732 * U * 0.8) = 3000 / (1.732 * 380 * 0.8) = 5.69A You can choose the appropriate wire according to the standard, see below
Q:YJV three-core cable and the difference between the four-core cable
75 flat cable, copper, aluminum to withstand the rated current are: copper 240-300A; aluminum: 170-220A specific applications, and the working environment, carrying current duration, carrying voltage related. The following table can be used as reference industry also has formulas, for the use of the site estimates, not in the engineering design, standard production use. . copper cable carrying capacity dictation: (estimated value) 2.5 times multiplied by nine, up by a straight walk; thirty five by 3.. both groups of five points; , High temperature Jiujiang copper upgrade; pipe root number two three four, eight seven six fold full load. . aluminum core cable carrying capacity dictation: (estimated value) aluminum core insulation line with the capacity of the multiples of the relationship between the number of five, 100 on the second, .. four, three circles, ... Wear, temperature, eight, nine fold; bare wire plus half; copper upgrade operator.
Q:Where is the fiber patch panel used in general?
Mainly used in the engine room or network management center. A network device for connecting an external optical fiber to each port of a fiber optic device and various optical interfaces.
Q:2.5 square wire how long is it better?
With the wire stripping 5-6 cm it, in the exposed about 1 cm to take together, and then around each other, one to the other side of the remaining one on the split around. The wire is made of one or several soft wires, with a soft jacket; the cable is made of one or several insulated packets, and the outer layer is covered with a tough outer layer of metal or rubber. Cables and wires are generally made up of three parts: core wire, insulated foreskin and protective sheath. Commonly used cable features are as follows: CEF - EPR insulated neoprene jacket, marine flame retardant power cable. CVV - PVC insulated, PVC sheathed marine flame retardant power cable. OVC cable commonly used BV, BX, RV, RVV series of wires, including: BV - copper core PVC insulated wire, long-term allowable temperature 65 ℃, the minimum temperature -15 ℃, working voltage AC 500V, DC 1000V, fixed laying In the room, the outside can be deposited can also be deposited.

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