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Metal Oxide Lightning Surge Arrester Porcelain Gapless 110kV

Categories Lightning Surge Arrester
Brand Name: Xi'an Shendian
Model Number: YH5WT-100/260; YH5WT-100/275; YH10WT-100/290; YH10WT-100/295
Certification: IEC 60099-4/ GB 11032
Place of Origin: China
MOQ: 1 pc.
Price: To be determined by type and quantity.
Payment Terms: T/T; L/C.
Supply Ability: 0.5M pc/year.
Delivery Time: Ex-work 1 week~1 month depends on quantity.
Packaging Details: Seaworthy package/ Customer specified.
Material: Metal-oxide
Type: Gapless for Electrical railway
Usage: Indoor/ Outdoor
Color: Red/ Grey/ Customer specified
Nominal system voltage: 110kV
Nominal discharge current: 5kA/ 10kA
Bushing shed dimension: Φ195 mm
Height: 1296 mm
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Metal Oxide Lightning Surge Arrester Porcelain Gapless 110kV

110kV Railway Porcelain Gapless Surge Arrester


Product introduction:

Normally there are 2 kinds of DC SA for railway system:

1/ 750V, Ur=1.0kV, 8/20μs residual voltage at 20kA: 2.4kV;

2/ 1500V, Ur=2.0kV, 8/20μs residual voltage at 20kA: 4.8kV.


Porcelain surge arrester is of high mechanical strength, longer creepage distance, excellent electrical insulation performance, strong dielectric strength, tracking resistance, high- and low-temperature resistance and sandstorm resistance. The multi-sealing structure of the housing provides high sealing performance and long service life.
Shendian takes lead of SA in China, its product is widely used in State Grid Corporation of China (SGCC) and China Southern Power Grid (CSG), among them including many extraordinary projects:
(1) 1,000kV UHV Southeast Shanxi Substation of 1,000kV Southeast Shanxi - Nanyang - Jingmen UHVAC Pilot Demonstration Project,
(2) Extension Works of 1,000kV Nanyang Switching Station of 1,000kV Southeast Shanxi - Nanyang - Jingmen UHV AC Pilot Demonstration Project, (3) South Hami Converter Station of ±800kV Hami- Zhengzhou UHVDC Electricity Transmission Project,
(4) 750kV Qinghai Qaidam Substation and 500kV Baoji - Deyang DC Electricity Transmission Project, as well as
(5) DC Project of 500kV Hechi Substation of CSG,
(6) DC Project of 500kV Anshun Substation of Guizhou Power Grid Company and 330kV Sanxing Substation in Xi'an High-tech Zone.
Advantage:
1/ High mechanical strength;
2/ Longer creepage distance;
3/ High dielectric insulation level;
4/ Tolerance to high/low temperature;
5/ Anti-corrosion and anti-aging;
Standard Technical Data:
Below info. only for your reference, all data shall be specified and determined by technical specification and customer demand.
ItemDescriptionOfferedOfferedOfferedOffered
1Manufacture/ Country of OriginXi'an Shendian/ China
2ModelY5WT-100/260Y5WT-100/275Y5WT-100/290Y5WT-100/295
3Applicable standardIEC 60099-4IEC 60099-4IEC 60099-4IEC 60099-4
4TypeOutdoor, ZnO, gapless
5Norminal voltage of systemkV110110110110
6Earthing systemEffectively earthed
7Rated frequencyHz50/6050/6050/6050/60
8Rated voltage of SAkV100100100100
9Maximum continuous operating voltagekV73737373
19Power frequency reference voltagekV145150158160
11- at reference current of
Note: State peak value or rms.
mA (D.C)1111
12Nominal discharge currentkA551010
13(a) Lightning impulsekV≤260≤275≤290≤295
(b) Steeping impulsekV≤291≤316≤325≤330
(c) Switching impulsekV≤221≤234≤247≤251
14Material employed in series non-linear resistorZnO etc.ZnO etc.ZnO etc.ZnO etc.
16- MaterialBrown PorcelainBrown PorcelainBrown PorcelainBrown Porcelain
- Minimum creepage distancemm/kV25/3125/3125/3125/31
16- HV terminalhot zip screwhot zip screwhot zip screwhot zip screw
- earth terminalhot zip screwhot zip screwhot zip screwhot zip screw
17Diameter of bushing shedsmm270270270270
18Heightmm1620162016201620


Schematic diagram:


Reference:
1/ Shendian MOA is widely used in China EHV (Extra hight voltage) projects of State Grid, Southern Power Grid.
2/ Supplied MOA to ABB/Siemens/Schneider more than 20 years, as well as other capacitor/switchgear manufacturers.
3/ Shendian MOA has been exported to more than 30 counties all over the world.


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