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55kV Porcelain Gapless Lightning Surge Arrester Outdoor For Railway

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55kV Porcelain Gapless Lightning Surge Arrester Outdoor For Railway

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Brand Name :	Xi'an Shendian
Model Number :	YH5WT-84/240
Certification :	IEC 60099-4/ GB 11032
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.

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55kV Porcelain Gapless Lightning Surge Arrester Outdoor For Railway

55kV 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.

Item	Description	Offered
1	Manufacture/ Country of Origin	Xi'an Shendian/ China
2	Model	Y5WT-84/240
3	Applicable standard	IEC 60099-4
4	Type	Outdoor, ZnO, gapless
5	Norminal voltage of system	55
6	Earthing system	Effectively earthed
7	Rated frequency	50/60
8	Rated voltage of SA	84
9	Maximum continuous operating voltage	68
10	Power frequency reference voltage	130
11	- at reference current of Note: State peak value or rms.	1
11	- at reference current of Note: State peak value or rms.	1
12	Nominal discharge current	5
13	(a) Lightning impulse	≤240
	(b) Steeping impulse	≤276
	(c) Switching impulse	≤196
14	Material employed in series non-linear resistor	ZnO etc.
15	- Material	Brown Porcelain
15	- Minimum creepage distance	25/31
16	- HV terminal	hot zip screw
16	- earth terminal	hot zip screw
17	Diameter of bushing sheds	252
18	Height	1200

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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