Porcelain Gapless DC Surge Arrester

Shunt Compensating Porcelain Gapless Surge Arrester

Product introduction:

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
12	Nominal discharge current	kA	5	5	5
13	(a) Lightning impulse	kV	≤66	≤85	≤134
	(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
	- Minimum creepage distance	mm/kV	25/31	25/31	25/31
16	- HV terminal		hot zip screw	hot zip screw	hot zip screw
	- 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
12	Nominal discharge current	kA	5	5	10	10	10
13	(a) Lightning impulse	kV	≤221	≤236	≤265	≤281	≤372
	(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
	- 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
	- 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.

Xi'an Shendian Electric Co., Ltd. (hereinafter referred to as "Xi'an Shendian") is one of the designated domestic manufacturers of metal-oxide surge arrester, neutral grounding resistor, piezoresistor, surge protective device, resistor, cable accessories, tubular busbar, condenser bushing, composite insulator, epoxy insulating product, vacuum pressure impregnation product and other products. Xi'an Shendian is located at No. 23, Fazhan Avenue, New Industrial Park, High-tech Zone, Xi'an City, covering a site area of 19,000 m2 and gross floor area of 24,000 m2, and holding fixed asset amounted to RMB 200 Million. Xi'an Shendian currently has 330 employees, including 79 professionals and 20 experts who have made great contribution to China and are specialized in the design and manufacturing of surge arrester, resistor, cable accessories and epoxy insulation product.