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Porcelain Gapless DC Surge Arrester

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Porcelain Gapless DC Surge Arrester

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Brand Name :	Xi'an Shendian
Model Number :	*YWR-XX/XX**
Certification :	IEC 60099-4/ GB 11032
Price :	To be determined.
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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Product Details
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Porcelain Gapless DC Surge Arrester

Shunt Compensating Porcelain Gapless Surge Arrester

Product introduction:

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.

A: Nominal system voltage ≤35kV

Item	Description		Offered	Offered	Offered
1	Manufacture/ Country of Origin		Xi'an Shendian/ China
2	Model		Y5WR-26/66	Y5WR-32/85	Y5WR-51/134
3	Applicable standard		IEC 60099-4	IEC 60099-4	IEC 60099-4
4	Type		Outdoor, ZnO, gapless
5	Norminal voltage of system	kV	20	20	35
6	Earthing system		Effectively earthed
7	Rated frequency	Hz	50/60	50/60	50/60
8	Rated voltage of SA	kV	26	32	51
9	Maximum continuous operating voltage	kV	20.8	25.6	40.8
10	Power frequency reference voltage	kV	37	47	73
11	- at reference current of Note: State peak value or rms.	mA (D.C)	1	1	1
11	- at reference current of Note: State peak value or rms.	mA (D.C)	1	1	1
12	Nominal discharge current	kA	5	5	5
13	(a) Lightning impulse	kV	≤66	≤85	≤134
13	(b) Switching impulse	kV	≤53	≤68	≤105
14	Material employed in series non-linear resistor		ZnO etc.	ZnO etc.	ZnO etc.
15	- Material		Brown Porcelain
15	- Minimum creepage distance	mm/kV	25/31	25/31	25/31
16	- HV terminal		hot zip screw	hot zip screw	hot zip screw
16	- earth terminal		hot zip screw	hot zip screw	hot zip screw
17	Diameter of bushing sheds	mm	232	232	232
18	Height	mm	995	995	995

Schematic diagram:

B: Nominal system voltage ≤110kV

Item	Description		Offered	Offered	Offered	Offered	Offered
1	Manufacture/ Country of Origin		Xi'an Shendian/ China
2	Model		Y5WR-84/221	Y5WR-90/236	Y10WR-105/265	Y10WR-108/281	Y10WR-174/372
3	Applicable standard		IEC 60099-4	IEC 60099-4	IEC 60099-4	IEC 60099-4	IEC 60099-4
4	Type		Outdoor, ZnO, gapless
5	Norminal voltage of system	kV	66	66	66	110	110
6	Earthing system		Effectively earthed
7	Rated frequency	Hz	50/60	50/60	50/60	50/60	50/60
8	Rated voltage of SA	kV	84	90	105	108	174
9	Maximum continuous operating voltage	kV	67.2	72.5	84	84	139
10	Power frequency reference voltage	kV	121	130	152	157	240
11	- at reference current of Note: State peak value or rms.	mA (D.C)	1	1	1	1	1
11	- at reference current of Note: State peak value or rms.	mA (D.C)	1	1	1	1	1
12	Nominal discharge current	kA	5	5	10	10	10
13	(a) Lightning impulse	kV	≤221	≤236	≤265	≤281	≤372
13	(b) Switching impulse	kV	≤176	≤190	≤225	≤239	≤336
14	Material employed in series non-linear resistor		ZnO etc.	ZnO etc.	ZnO etc.	ZnO etc.	ZnO etc.
15	- Material		Brown Porcelain
15	- Minimum creepage distance	mm/kV	25/31	25/31	25/31	25/31	25/31
16	- HV terminal		hot zip screw	hot zip screw	hot zip screw	hot zip screw	hot zip screw
16	- earth terminal		hot zip screw	hot zip screw	hot zip screw	hot zip screw	hot zip screw
17	Diameter of bushing sheds	mm	252	252	252	270	351
18	Height	mm	1200	1200	1200	1620	2135

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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