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420kv Gas Insulated Switchgear Gis Sf6 High Voltage Power Transformers

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Henan Energy Electric Equipment Co.,Ltd

Audited Supplier 3 years

Profile Certified by SGS/BV

Henan, China
Yang (Mr.)
Genaral Director

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Model NO.:

420kV series GIS

Type:

High-voltage

Structure:

Three-column Disconnector

Operation:

Electric

Grounding Mode:

Grounding

Movement Mode:

Vertical Rotary Type

Number of Poles:

Three Pole

Grounding:

Double Ground

Series:

Three

Run:

Vertical Rotation

Switching Mode:

Double-Throw Type

Structure of Operating:

Electric

Certification:

CE, ISO9001

Rated Voltage:

420kv

Rated Current:

,4000A

Rated Frequency:

50h,60Hz

to Earth:

1425kv

Trademark:

HZEC

Transport Package:

Export Standard

Specification:

As manufacturer′ s design

Origin:

China

Product Description

Henan Energy Electric Equipment Co., Ltd. was established in 2011 and is an excellent and reliable power equipment manufacturer in China. The company mainly develops and produces oil-immersed transformers, dry-type transformers, box-type substations, high-voltage switches, and medium and low voltage complete sets of equipment. The equipment put into production and operation of the project advocates energy saving, intelligence, informatization, and mechanization. The company has established the Henan Triangle Energy-saving Transformer Engineering Technology Research Center, with 71 utility model patents and 15 invention patents. With years of accumulation in the transformer industry and strong technological innovation capabilities, HZEC products are sold to the Middle East, North America, South America, Europe, Southeast Asia, Africa, and other regions, covering more than 40 countries.

420kV series GIS

1.Special design for voltage of 420kV
2. Single-phase encapsulated structure
3. High capacity of current-carrying,reduced dimension of bays,minimal footprint
4. Two kinds of circuit breakers:singl e break or double break,provided with hydraulic or spring operating mechanisms
5. Horizontal circuit breaker in low position to facilitate repair and patrol
6. Spacers with metal loop,high in anti-interference and reliable in earthing

Disconnector and earthing switch provided with straight coupling motor mechanism.Fast earthing switch provided with motor spring operating mechanism,straight connected with body reliably.
Disconnector and earthing switch,three-phase ganged operated
Entire items of type tests finished in XIHARI according to IEC standard and certificates obtained

Main Technical Data of 420kV GIS

ltem		Unit	Data
Rated voltage		kV	363
Rated current		A	4000,5000,6000
Rated frequency		Hz	5,060
Rated short circuit breaking current		kA	50	63
Rated short-time withstand current and dur ation		kA/s	50/3	63/3
Rated peak withstand current		kA	125	160
Rated short circuit making current		kA	125	160
Number of breaks		EA	1	2
Rated lightning impulse withstand voltage	To earth	kV	1175
	Across breaks	kV	1175+295
Rated short time power frequency withstand voltage	To earth	kV	520
	Across breaks	kV	520+210
Rated switching impulse withstand voltage	To earth	kV	950
	Across breaks	kV	950+295

1.Our company provides you with project design and process design, and designs and manufactures products according to your equipment purchase plan and specific needs. And train technical and operating personnel for you.

2.The newly purchased products are provided with online assistance for installation and debugging. The products are under the lifelong service system. If problems occur in normal use, we will provide solutions within one working day after receiving user's feedback. We will try our best to get the product up and running as soon as possible. And there are regular visits by professional technicians to ensure the long-term, safe and reliable use of our products.

3.We use quality authentic materials, process and manufacture in strict compliance with ISO9001:2000 international quality management to ensure the quality of excellence and the smooth installation!