• PVC insulated , heavy steel wire armored, PVC sheathed coal mine power cable System 1
PVC insulated , heavy steel wire armored, PVC sheathed coal mine power cable

PVC insulated , heavy steel wire armored, PVC sheathed coal mine power cable

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
1000 m
Supply Capability:
100000 m/month

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Product Details:

Detailed Product Description

 

1. Flexible rubber sheathed Power Cable of Rated Voltage Up To And including 10kV For Coal Mine 
2.We are manufacturer

Product Standard:
The product applies for A.C supply & distribution system and is manufactured according to State Coal industry standard MT818.12-1999.

Working conditions:
Max. allowable continuous operating temperature of conductor: 70°C.

Max. temperature of conductor during cutting-out shall not exceed 160°C(max. duration 5S).

Type and Description:

Type

Description

MVV

PVC insulated ,PVC sheathed power cable for coal mine

MVV22

PVC insulated , steel tape armored , PVC sheathed power cable for coal mine

MVV32

PVC insulated , fine steel wire armored, PVC sheathed power cable for coal mine

MVV42

PVC insulated , heavy steel wire armored, PVC sheathed power cable for coal mine

 Cable Specifications:

 

 

Type

 

Cores

    Rated Voltage  kV

0.6/1

1.8/3

3.6/6  6/6  6/10

    Nominal cross-section  mm²

MVV

3

1.5~300

10~300

10~300

MVV22

3

2.5~300

10~300

10~300

MVV32

3

16~300

MVV42

3

16~300

MVV

3+1

4~300

10~300

MVV22

3+1

4~300

10~300

MVV

4

4~185

4~185

MVV22

4

4~185

4~185

 

Nominal Thickness of Insulation:

 

 

Nominal cross sectional area of conductor
mm²

     Rated Voltage   kV

0.6/1

1.8/3

3.6/6

6/6   6/10

  mm
Nominal Thickness of Insulation

1.5

0.8

2.5

0.8

4

1.0

6

1.0

10

1.0

2.2

3.4

4.0

 

 

 

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Should be separated from the distance, because if the water pipe is broken, the dredging pipe will damage the cable, if the site restrictions, separated by brick, it will not appear the above situation.
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First, to do the grounding of the inverter, the inverter to use a single point of grounding, preferably short and thick lines for grounding; Second, the sensor signal line, it is best to use feet shielded cable, and shielding Layer with a cable clamp to ground, you can try single-ended ground, you can also try to double-ended ground; third, the power supply on the sensor to install the power filter, filter magnetic ring, or isolation transformer isolation, if not OK Of the words, it can only see the fourth of the. Fourth, the inverter generated by the harmonic suppression, optional filter products are: inverter input filter, inverter output filter, inverter input reactor, inverter output reactor and so on. Finally, Green Wave can only wish you good luck!
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"GB-1994 Code for Design of Electric Power Cables" 3.3 Cable Insulation Level 3.3.1 The rated voltage of the cable core of the power cable in the AC system is not lower than the working line voltage of the circuit. The selection of the rated voltage between the cable and the insulation or metal sleeve of the power cable in the AC system shall meet the following requirements: Neutral point direct grounding or low impedance grounding system When the earthing protection action does not exceed 1 min, Should be used 100% of the working phase voltage of the circuit. for the of the power supply system, should not be less than 133% of the use of circuit work voltage; in a single ground fault may last more than 8h, or generator circuit and other high security requirements, should take 173 % Of the working phase voltage using the loop. 3.3.3 AC system cable impact voltage level, should meet the system with the requirements of insulation. 3.3.4 DC power transmission cable insulation level, should be included in the load changes factors to meet the internal over-voltage requirements. For the situation mentioned by the landlord, such as the use of the gap control is used in the voltage level of 450/750 KVV4X1.5 control cable, such as long-term power supply, you should use the rated voltage of 0.6 / 1KV VV4X1.5 power cable.
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In the circuit buried bus pipeline, the two points between the pipeline can not be more than two right angle bend (pipeline length of 15 meters), more than two right angle bend or pipeline length greater than 15 meters, need to increase the cable box. From the description point of view, you should be the circuit wiring is not in accordance with the norms of operation, a line between the more than two right-angle elbow, right angle elbow, and certainly will lead to the wire can not penetrate, follow-up can not be replaced, The "dead line". As far as your current situation is concerned, I suggest that you re-route the pipelines to re-optimize the pipeline to operate in accordance with the standard operation.

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