China Power Station High Voltage Polymer 110kV Lightning Arrester With CE/EAC factory and manufacturers

Power Station High Voltage Polymer 110kV Lightning Arrester With CE/EAC

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Power Station High Voltage Polymer 110kV Lightning Arrester With CE/EAC Detail:

The zinc oxide arrester is recognized as the pinnacle of over-voltage protection technology globally, primarily because its core component,

the resistor disc, predominantly employs zinc oxide arresters. This component’s adoption not only surpasses conventional silicon carbide arresters

but also significantly elevates the volt-Ampere characteristics of the resistor disc and enhances its ability to handle over-voltage through currents.

Consequently, these advancements have ushered in a groundbreaking era for the overall performance of arresters.

Polymer Arrester Product characteristic

1.Small size,Light weight,resistance to impact,no collision damage during transportation,flexible installation,suitable for use in the switch cabin.
2.Special structure,the overall compression molding,no air gap,good sealing performance,moisture-proof and explosion-proof
3.Large creepage distance,good hydrophobicity,strong stain resistance.
4.Unique formula of zinc oxide varistor, small leakage current,slow aging,long service life.

5.With DC reference voltage,rectangular flow capacity and high current .

110kV Lightning Arrester Usual Service Condition

Power frequency:48Hz ~60Hz
Ambient temperature:-40°C~+40°C
Maximum wind speed: not exceed 35m/s
Altitude: not exceed 2000m
Earthquake intensity: not exceed 8 degrees
Ice thickness: not exceed 10 meters.
Long-term applying voltage does not exceed the maximum coutinuous operating voltage.

Main Technical Parameters

Service condition	System nominal voltage kV	Continous operation voltage kV	DC Min U1mA reference voltage kV≥	Residual voltage kV≥			Square wave current impulse withstand A	High current impulse kA
Service condition	System nominal voltage kV	Continous operation voltage kV	DC Min U1mA reference voltage kV≥	1/4μs Steep current impulse	8/20μs Lightning current impulse	30/60μs Switching current impulse	Square wave current impulse withstand A	High current impulse kA
5kA Substation (Z)	3	3.2	7.2	14.5	13.5	11.5	200	65
	6	4	14.4	31	27	23
	6	8	14.4	31	27	23
	10	13.6	24	51.8	45	38.3
	35	23.4	73	154	134	114	400	100
		40.8	73	154	134	114
		42.2	73	154	134	114
		43.2	73	154	134	114
	66	67.2	121	254	221	188	600	100
		72.5	130	258	224	190
		75.5	134	270	234	198
	110	75	140	287	250	212	600	100
		78	145	299	260	221
		80	148	305	266	226
		84	157	323	281	239
		88.2	168	347	302	256