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Yunnan Nanyue Electric Power Equipment Co., Ltd.
Yunnan Nanyue Electric Power Equipment Co., Ltd.  

Gold Index: 40381

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Model LVQB Insulated Current Transformer 

Payment Terms: T/T,L/C,WU,Paypal 
Place of Origin: Yunnan, China (Mainland) 
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Product Detail

Model No.: Model LVQB SF6
Production Capacity: 100000
Delivery Date: Delivery in 5 work days aft...
Means of Transport: Ocean,Land
Packing: Export Standard package
Brand Name: Nanyue

The enclosure, locating at the top, could be divided into "T" shape and "bell-cover" shape. T shaped enclosure is made of anticorrosive aluminum;

Summary

The enclosure, locating at the top, could be divided into "T" shape and "bell-cover" shape. T shaped enclosure is made of anticorrosive aluminum; Bell-cover enclosure is made of casting aluminum. The enclosure is checked by intensity and gas sealing and X ray.

The main body (primary winding and secondary winding) is fixed in the enclosure. SF6 is adopted as the insulating medium between the primary winding and secondary winding in which has the shield tube supported by epoxy resin for the secondary winding. The outgoing line for the secondary winding is lead to the connection box in pedestal through down-lead tube.


Feature

1.The insulating tube, dividing into porcelain tube that is sintered by high-strength porcelain and silicon-rubber tube, and silicon-rubber porcelain which has better performances in resisting pollution,water invasion and electric corrosion comparing with that high-strength porcelain.

2.The pedestal is designed with connection box,SF6 gas density controller and gas filling valve. The Sf6 gas density controller provideds the functions as temperature compensation,alarm and remote monitor to the gas pressure.


Working condition:

Ambient temperature

maximum: +40°C

average temperature in a day: +30°C

minimum: -30°C(-40°C is available for particular order)

Height above sea level

within 1000 meters, while 3000 meters is the maximum for the altiplano-style

Air condition

There should be no heavily corrosive gas, no inflammable and explosive material;

Seismic intensity: 8 degree

Velocity: within 35m/s

Installation place: outdoor or indoor.



Main Technical Parameters

Type designateLVQB-35LVQB-66/110LVQB-220LVQBT-500
StructureT shapeBell-cover shapeT shapeBell-cover shapeT shapeBell-cover shapeBell-cover shape
Rated voltage kV3566/110220500
Maximum voltage kV40.572.5/126252550
Rated frequency Hz50505050
Short-time power frequency withstand kV95160/230460740
Lightening full wave impulse voltage kV200350/550950/10501550/1675
Partial discharge pC<5<5<5<5
Rated primary current50-200050-3000100-3000600-5000
Rated secondary current5 or 15 or 15 or11
Accuracy class0.2s;0.20.2s;0.20.2s;0.20.2s;0.2
0.5s;0.50.5s;0.50.5s;0.50.5s;0.5
5P;10P5P;10P5P;10P;TPY5P;10P;TPY
Rated output VA10-6010-6010-6010-60
Meter protection factor FS5;105;105;105;10
Accuracy limit factor10;15;20;25;30
Short-time hot stability current kA/s12.5-31.5/131.5-50/331.5-50/350-63/3
Rated dynamic stability current kA31.5-12580-12580-125125-160
SF6 rated pressure (20C) Mpa0.40.40.40.5
SF6 filling pressure (20C) Mpa0.350.350.350.45
SF6 annual leakage %<0.5<0.5<0.5<0.5
SF6 moist content ppm<150<150<150<150
Outline dimensionA1 mm1125/125021953600/37706695
A2 mm610/5701064 Max1300/14402073
A3 mm960/100019003180/32405913
Pedestal mounting hole dimension4-φd14-φ22
4-φ224-φ224-φ26
B1XB2 mm430X330550X450780X640940X940
Primary connection board dimensionC1 mm/305050
C2 mm/101520
C3 mm/508080
4-φd24-φ94-φ184-φ18
Weight kg100400-500900-12002300


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Tel: 86-136-29698649
Fax: 86-871-65882055
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Company Info

Yunnan Nanyue Electric Power Equipment Co., Ltd. [China (Mainland)]


Business Type:Manufacturer
City: Kunming
Province/State: Yunnan
Country/Region: China (Mainland)

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