15KV Composite Lightning Surge Arrester Used for Power Transformer Protection

Delivery Time:21days per container
Certification:ISO9001/KEMA

Composite Lightning Arrestor used for transformer , KEMA

Description:

YH5W5-15/33 Surge Arresters

YongDe Surge Arresters can be applied to a variety of systems including substation equipment, AC-DC converters, railway power system and power distribution units ranging from 0.25kV to 765kV systems. These surge arresters demonstrate excellent protection properties. 

Features:

1. Compact and Lightweight

2. Extremely Safe Pressure Relief Performance

3. Superior Performance against Environmental Contamination

4. Directly Molded Structure

5. Compliance with International Standards(IEC60099-4)

6. Simple Support Structure

7. Manufactured at Advanced ISO-9001 certified facilities

Specifications:

YH5W5-15/33 Surge Arresters technical parameter

Type	YH5W5-15/33
Rated voltage---------kV	15
MOCV ----------------kV	12.7
Nominal Current-------kV	5
Residual voltage of steep impulse----at 5kA(kV)	43.5
8/20µS Residual voltage of lightning impulse current kV(Peak value)-----at 5kA(kV)	40
Residual voltage of switching impulse current kV (peak value)----at 1kA (kV)	/
1mA D.C reference voltage (kV)	21.2
Line discharge level	1
2mS long duration impulse current A	250
4/10µS High current impulse kA	65
Lightning impulse withstand kV	95
Power frequency voltage withstand(dry/wet)kV	28
0.1S TOV--------------kV	18
1S TOV----------------kV	17.25
10S TOV---------------kV	16.5
1200S TOV-------------kV	15
Creepage distance ----mm	500
Material employed in series non-linear resistor	Zinc Oxide

Polymer surge arrester production process:

1. Zinc oxide varistor with group
2. Core body tied, solidify
3. Degrease, coated with coupling agent
4. Core body preheating
5. Whole vulcanization molding
6. Visual inspection, secondary vulcanization
7. Factory inspection
8. Packing and warehousing