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220kV power project in southwest area of No.7 bridge optical cable in Qujing, Yunnan

Source: Popularity: 726 Time of publication: June 28, 2016 19:45:36 Small in large

With the continuous promotion of the strategy of building a strong smart grid in China, transmission line projects are also increasing, and higher requirements are put forward for the construction technology of power transmission lines.

 

In the early stage of construction, a power project in Qujing, Yunnan Province, inherited the task of improving the local communication quality and improving the power grid communication construction, and carried out the final scheme of 220kV transmission line construction opgw cable The project period is about 30 days, including procurement, construction and acceptance. The following is the specific purchase list;

 

Serial number

Material name and signal

Company

Total quantity

remarks

 

one

OPGW - 1C 1/24B1 (0/61 -25.5 )

km

thirteen point six seven five

The length of joint and down lead has been included.

two

OPGW - 1C 1/ twelve B1 (0/61 -25.5 )

km

four point three three

The length of joint and down lead has been included.

three

ADSS-500

km

one point four

twenty-four core

four

OPGW Single suspension clamp for optical cable

pay

fifteen

Including grounding lead

five

OPGW Double suspension clamp for optical cable

pay

fifteen

Including grounding lead

six

OPGW Cable tension fittings

pay

forty-six

Straight through tension fittings string, including grounding wire

seven

OPGW Vibration damper for optical cable

pay

ninety-eight

 

eight

  Armour line

pay

ninety

 

nine

Cable support

pay

seven

five For towers, two For gantry poles

ten

Guide wire clamp

pay

seventy-five

be used for OPGW

eleven

Stainless steel hoop

pay

twenty

300mm For gantry ADSS

one two

OPGW Intermediate junction box for optical cable

individual

four

(one in and one out OPGW

one three

OPGW Terminal box for optical cable

individual

three

Once in OPGW , Once out ADSS

fourteen

Optical terminal box

pay

two

twenty-four core

fifteen

Terminal optical box of machine room

pay

one

twelve core

sixteen

Single mode pigtail

strip

ninety-six

ST-ST

seventeen

Single mode pigtail

strip

twenty-four

ST-ST

eighteen

Clamp for tension tower

pay

four

Tower three Pay, stick one pay

The above optical cable fittings are configured according to the optical cable diameter of 10.5mm and the breaking force of less than 70kN

 

 

With the development of power industry, the construction scale of 220kV and even 500kV EHV transmission lines has been expanding. As a power cable manufacturer, we need to provide professional technology and high-quality products for power construction to jointly promote the sustainable development of power communication.

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