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GB 11032 Polymer Lightning Surge Arrester Gapless For Electrical Railway

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GB 11032 Polymer Lightning Surge Arrester Gapless For Electrical Railway

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Brand Name :	Xi'an Shendian
Model Number :	*YHWT-XX/XX**
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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Product Details
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GB 11032 Polymer Lightning Surge Arrester Gapless For Electrical Railway

Railway Polymer Gapless Surge Arrester

Product introduction:

Polymer-housed metal oxide surge arrester (MOA) combines advantages of organic insulation material and porcelain-housed MOA. It is of good electrical performance, high dielectric strength, resistance to high/low-temperature, to aging, as well as explosion-proof, excellent chemical stability, and hydrophobicity. Polymer housing is made of high-quality silicone rubber, formed by integral moulding and curing process which benefites sealing performance, service life and lead time.

Metal oxide varistors are wrapped and fixed by PBT, after that a varistor rod shall be processed by vulcanizing machine into a completed surge arrester. This kind of uniq technics greatly improves SA electricl performance and shorten production time.

Advantage:

1/ Low partial discharge;

2/ Low residual voltage;

2/ High dielectric insulation level;

3/ Tolerance to high/low temperature;

4/ Explosion-proof;

5/ Anti-corrosion;

6/ Anti-aging;

7/ Shorter lead time (Ex-work 1 week+).

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 ≤55kV

Item	Description		Offered	Offered	Offered	Offered
1	Manufacture/ Country of Origin		Xi'an Shendian/ China
2	Model		YH5WT-42/105	YH5WT-42/110	YH5WT-42/120	YH5WT-84/240
3	Applicable standard		IEC 60099-4	IEC 60099-4	IEC 60099-4	IEC 60099-4
4	Type		Outdoor, ZnO, gapless
5	Norminal voltage of system	kV	27.5	27.5	27.5	55
6	Earthing system		Effectively earthed
7	Rated frequency	Hz	50/60	50/60	50/60	50/60
8	Rated voltage of SA	kV	42	42	42	84
9	Maximum continuous operating voltage	kV	31.5	31.5	34	68
10	Power frequency reference voltage	kV	58	60	65	130
11	- at reference current of Note: State peak value or rms.	mA (D.C)	1	1	1	1
11	- at reference current of Note: State peak value or rms.	mA (D.C)	1	1	1	1
12	Nominal discharge current	kA	5	5	5	5
13	(a) Lightning impulse	kV	≤105	≤110	≤120	≤240
	(b) Steeping impulse	kV	≤118	≤127	≤138	≤276
	(c) Switching impulse	kV	≤89	≤94	≤98	≤196
14	Material employed in series non-linear resistor		ZnO etc.	ZnO etc.	ZnO etc.	ZnO etc.
15	- Material		Polymer	Polymer	Polymer	Polymer
15	- Minimum creepage distance	mm/kV	25/31	25/31	25/31	25/31
16	- HV terminal		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
17	Diameter of bushing sheds	mm	128	128	128	195
18	Height	mm	525	525	525	1296

Schematic diagram:

B: Nominal system voltage ≤110kV

Item	Description		Offered	Offered	Offered	Offered
1	Manufacture/ Country of Origin		Xi'an Shendian/ China
2	Model		YH5WT-100/260	YH5WT-100/275	YH5WT-100/290	YH5WT-100/295
3	Applicable standard		IEC 60099-4	IEC 60099-4	IEC 60099-4	IEC 60099-4
4	Type			Outdoor, ZnO, gapless	Outdoor, ZnO, gapless	Outdoor, ZnO, gapless
5	Norminal voltage of system	kV	110	110	110	110
6	Earthing system		Effectively earthed
7	Rated frequency	Hz	50/60	50/60	50/60	50/60
8	Rated voltage of SA	kV	100	100	100	100
9	Maximum continuous operating voltage	kV	73	73	73	73
10	Power frequency reference voltage	kV	145	150	158	160
11	- at reference current of Note: State peak value or rms.	mA (D.C)	1	1	1	1
11	- at reference current of Note: State peak value or rms.	mA (D.C)	1	1	1	1
12	Nominal discharge current	kA	5	5	10	10
13	(a) Lightning impulse	kV	≤260	≤275	≤290	≤295
	(b) Steeping impulse	kV	≤291	≤316	≤325	≤330
	(c) Switching impulse	kV	≤221	≤234	≤247	≤251
14	Material employed in series non-linear resistor		ZnO etc.	ZnO etc.	ZnO etc.	ZnO etc.
15	- Material		Polymer	Polymer	Polymer	Polymer
15	- Minimum creepage distance	mm/kV	25/31	25/31	25/31	25/31
16	- HV terminal		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
17	Diameter of bushing sheds	mm	195	195	195	195
18	Height	mm	1296	1296	1296	1296

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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