State Grid Underground 220 KV Power Cables

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China main port
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TT or LC
Min Order Qty:
100 m
Supply Capability:
20000 m/month

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Product Description:

State Grid Underground 220 KV Power Cables

 

Specifications

220KV XLPE Power Cable 
1. Copper with purity more than 99.95%. 
2. XLPE imported from Dow company U.S.A 
3.State GRID Compny

Underground 220KV, Copper Core 1*2500mm2, XLPE Insulated, Corrugated Aluminum sheath, PVC Sheath, Power Cable

 

Product Details

Name: 127/220kV, Cu/XLPE/Al corrugated/PVC 1*2500mm2, Optical Fiber sensing cable inserted.

Conductor shape: segments

Standard: IEC 60840-2004

IEC 62087-2006

Or equivalent DIN, BS, AS/NZS, JIS, ASTM, IS, etc. standard.

Package: Steel Drum


Additional Options: Flame retardant, Anti-termite

Technical details:


 

Description

Conductor: Conductor cross section of 800mm2 or below is stranded through compacting round core, with better roundness and higher compacting coefficient. Conductor cross section more than 800mm2 is made by segment of Milliken method to minimize skin connecting and alternating current impedance and increase power transmission capacity of cable.


 


Insulation: XLPE, gravity feeding in 1000 level ultra-clean environment.


 


Product line: VCV/CCV


 


Metallic screen/sheath: Option 1) Welded corrugated aluminum sheath


                                    Option 2) Extruded Corrugated aluminum sheath


                                    Option 3) Copper wire + poly laminated sheath


 


Outer sheath: PVC, MDPE, HDPE, LDPE


 


Characteristic of Use:


  1. Allowable max. long-time operation temperature of cable conductor: 90°C

  2. Allowable Max. short circuit temperature of cable conductor (max. sustaining period not exceeding 5s): 250 °C 

  3. Allowable Min. bending radius when laying cable, generally 20 times of the cable diameter


 


Main Cross sections for 127/220kV Power Cable:


400mm2, 500mm2, 630mm2, 800mm2, 1000mm2, 1200mm2, 1400mm2, 1600mm2, 1800mm2, 2000mm2, 2500mm2


 


Quality and Service:


 

Our motto: “Reputation based, Quality prioritized”, we wins customers trust for following reasons:


 

1, Quality control strictly follows ISO9001:2008 and ISO14001:2004, while guarantee that all products we supplied are totally new and unused. They are made of best material by first-class process techniques while tested and qualified by all specified testing items.


 


2, The Company promises to offer high-quality after-sale service to our customers. The service for cable fixation, installation and testing are available at customer request, if necessary technicians are sent to give instructions to the customers. After make sure it is the problem on quality we will repair or replace the defected products, the concerned expense or loss will be at our side.


 


3, The Company guarantees to deliver products in compliance with the bidding documentation.


 


4, The Company promises to offer cooperation and service according to the binding contract and requirements of supervision, testing for products.

 

 

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Q:How to identify the quality of the lock of the hotel lock?
Ming assembly line tube card 1 meter a, turn from the wall 10 a square, far away, the tube will fall down.
Q:Calculate the control cable under what circumstances the cable terminal needs to be calculated
" Why should the closed wall or protective wall closed on the second side of the closed junction box? This need to understand if you do not add this closed junction box, what kind of harm Civil air defense project in the closed wall is divided into the clean area and the area of ​​the infected area, and the wire tube in the thread after the inside is a cavity, directly through the wall to communicate with the cleaning area and exposed areas, so wartime works outside the dyeing The poisonous air can penetrate into the clean area through the cavity inside the wire tube, which is harmful to the personnel inside the project And the installation of a sealed junction box, you can thread in the line after the box filled with sealing material to block the tube cavity connectivity This is why the electrical safety pipe in the air defense project must pass the closed wall or protect the closed wall when the two sides must be closed in the closed junction box reasons
Q:The computer host is always start to stop, resulting in the last can not start. What is going on?
GB-2002 provides: metal cable bridge and its bracket and the introduction or extraction of metal cable ducts must be ground (PE) or zero (PEN) is reliable, and must meet the following requirements:
Q:What is the difference between a shielded cable and a control cable?
If there is a number of casing is the number of lines marked, if the line before the iron circle is a small nose, line nose in addition to a small circle and fork, and fork almost look.
Q:With a i3-2100 desktop computer about how much money. To have a separate graphics card. Give a configuration alone, no more than 4000
Can be buried, the general depth of 0.8 meters, the cable on the road to be added through the road.
Q:1.2 meters below the road can use pvc tube wear armor cable?
MR is a metal bridge laying, the bridge width of 200 high 100
Q:Power Cable Check Well b-type covers show what?
A grade steel fiber concrete inspection covers are used for airports or special roads and venues for expressways that can take off and land for helicopters
Q:What are the requirements for the spacing between the strong and weak wires?
with a white cable to facilitate the distinction between the cable
Q:Power cable casing buried what are the requirements
1 It is advisable to select the route to lay the cable in a suitable way: 1 Avoid the area where the corrosion of the acid, alkali, or stray current is seriously affected by electrochemical corrosion
Q:What is the length of the wire that affects voltage and electricity
Because the AC operation will produce eddy current, will make the steel pipe and cable heat burned

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