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Contact Person : Ms. xu Alice
Company Name : Baoding Tianwei Hengtong Electric Co., Ltd
Tel : 86-312-8919975
Fax : 86-312-8919796
Address : Hebei,Baoding,3/F-A,Building 7,No.5699,University Science and Technology Park in High-Tech Zone
Country/Region : China

grounding and lightning protection

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Product Detailed

Related Categories:Other Electrical Equipment

1.applicable to 110kV, 220kV or 330kV 2.Provide over-voltage protection for transformer point 3.modular design

1.Structure ( modular design )

(1)Disconnecting Switch

(2)Zinc-oxide Surge Arrestor

(3)Rod Gap

(4)Current Transformer

(5)Mounting Brackets

2.Installation: The complete device is supported on the cement posts or steel supports which is usually provided by the tender. W e can also supply the steel supports as an accessory.

3.Site condition:

(1)Ambient temperature: -50°C-70°C

(2)Altitude: less than 4500m.

(3)Frequency :50Hz or 60Hz

(4)Installation: Indoor or outdoor

parameters table

Transformer system Nominal Voltage		110kV
Insulation level	Light impulse withstand voltage	250 kV	325 kV
	Power frequency withstand voltage	95 kV	140 kV
Rod Gap	Type	THT-TNP-110
	Descriptions	Electrode bar with hemispheric ends
	The adjustable range	50-160mm
Current Transformer(Used for protecting rod gap )	Type	THT-LJ80
	Model	Epoxy-resin filled totallyclosed type
	Rated primary current	100A 150A 300A 400A 500A 600A
	Rated secondary current	1A/5A
	Accurate combination and ratings	10P5/10P5 15VA/15VA
Disconnecting Switch	Type	GW13-72.5
	Rated voltage	72.5kV
	Rated current	630A/1250A
	Operating mechanism	CS17 type manual operating mechanism,CJ6 type motor-driven operating mechanism
Surge Arrester	Type	Y1.5W-60/144	Y1.5W-72/186
	Nominal discharging current	1.5kA
	Rated voltage	60kV	72kV
	Continuous operating voltage	48kV	58kV
	Lighting impulse residual voltage	144kV	186kV
	Counter/Monitor	JS8 type surge arrester counter/JCQ3 type surge arrester monitor