Hybrid Gas Insulated Switchgear up to 145kV

Name: Hybrid Gas Insulated Switchgear up to 145kV
Brand: Wenzhou Rockwill Electric Co., Ltd.
SKU: 2907
Price: 1.99 USD
Availability: InStock

Wenzhou Rockwill Electric Co., Ltd.

17yrs 700++ staff 108000m²+m² US$150000000+ China

Wenzhou Rockwill Electric Co., Ltd.

17yrs 700++ staff 108000m²+m² US$150000000+ China

Attributes Description Documentation Resource Library Supplier

Key attributes

Brand	ROCKWILL
Model NO.	Hybrid Gas Insulated Switchgear up to 145kV
Rated voltage	145kV
Rated normal current	3150A
Rated short circuit breaking current	40kA
Series	RHP

Product descriptions from the supplier

Description

Product overview

The RHP type HGIS electrical apparatus is a new type of high-voltage power equipment. It retains the advantages of GIS combined electrical apparatus, such as compactness, high reliability, and low operation and maintenance requirements, while innovatively retaining the busbar as a conventional AIS arrangement for on-site installation and connection. This design effectively overcomes the drawbacks associated with traditional AIS equipment, including large footprint, numerous connection points, and high inspection and maintenance workloads.

It is suitable for 40.5kV up to145kV and below transmission and distribution systems in power plants, substations, railway stations, ports, and large industrial and mining enterprises. It is particularly well-suited for space-constrained projects such as mountainous substations and urban substations, and can be installed indoors, outdoors, or on rooftops.

Product Component

Hybrid Gas Insulated Switchgear up to 145kV Component

Mian features

Genuine Solution to Operational Reliability Challenges in Disconnector/Earthing Switches;
Advanced Self-Blast Interruption and Modular Structure for Enhanced Reliability;
The elimination or significant reduction of disc-type insulators for enhanced reliability;
The application of specialized manufacturing techniques reduces the number of flanges, thereby minimizing the potential for gas leakage；
Externally Mounted CT for enhanced safety and reliability;
Compact Structure and Flexible Layout;
Relatively more economical than AIS.

Technical Parameters

RHP-40.5

N	Item	Unit	Parameters
1	Rated maximum voltage	kV	40.5
2	Rated maximum current	A	≤2000
3	Rated frequency	Hz	50/60
4	First opening pole coefficient		1.5
5	Rated short circuit breaking current	kA	31.5
6	Rated short-circuit duration	s	4
7	Rated out of step breaking current	kA	7.9
8	Rated peak value withstand current	kA	80
9	Rated 1min power frequency withstand voltage (Dry/Wet)	kV	To ground 110
9	Rated 1min power frequency withstand voltage (Dry/Wet)	kV	Break 118
10	Rated lightning impulse voltage	kV	To ground 215
10	Rated lightning impulse voltage	kV	Break 215
11	Operation sequence		O-0.3s-CO-180s-CO
12	Opening time	ms	50±10
13	Closing time	ms	90±20
14	Close-open time	ms	≤100
15	Main circuit resistance	μΩ	≤150
16	Rated SF6 gas pressure (20℃gauge pressure)	Mpa	0.5
17	Alarm/blocking pressure(20℃gauge pressure)	Mpa	0.45/0.4
18	SF6 annual gas leakage rate	%	≤0.5
19	Gas moisture content	Ppm(v)	≤150
20	Mechanical life	times	6000

RHP-72.5

N	Item	Unit	Parameters
1	Rated maximum voltage	kV	72.5
2	Rated maximum current	A	≤3150
3	Rated frequency	Hz	50/60
4	First opening pole coefficient		1.5
5	Rated short circuit breaking current	kA	40
6	Rated short-circuit duration	s	4
7	Rated out of step breaking current	kA	10
8	Rated peak value withstand current	kA	100
9	Rated 1min power frequency withstand voltage (Dry/Wet)	kV	To ground 275
9	Rated 1min power frequency withstand voltage (Dry/Wet)	kV	Break 315
10	Rated lightning impulse voltage	kV	To ground 650
10	Rated lightning impulse voltage	kV	Break 750
11	Operation sequence		O-0.3s-CO-180s-CO
12	Opening time	ms	32±7
13	Closing time	ms	85±10
14	Close-open time	ms	≤60
15	Main circuit resistance	μΩ	≤100
16	Rated SF6 gas pressure (20℃gauge pressure)	Mpa	0.5
17	Alarm/blocking pressure(20℃gauge pressure)	Mpa	0.55/0.5
18	SF6 annual gas leakage rate	%	≤0.5
19	Gas moisture content	Ppm(v)	≤150
20	Mechanical life	times	6000

RHP-145

N	Item	Unit	Parameters
1	Rated maximum voltage	kV	145
2	Rated maximum current	A	≤3150
3	Rated frequency	Hz	50/60
4	First opening pole coefficient		1.5
5	Rated short circuit breaking current	kA	40
6	Rated short-circuit duration	s	4
7	Rated out of step breaking current	kA	10
8	Rated peak value withstand current	kA	100
9	Rated 1min power frequency withstand voltage (Dry/Wet)	kV	To ground 275
9	Rated 1min power frequency withstand voltage (Dry/Wet)	kV	Break 315
10	Rated lightning impulse voltage	kV	To ground 650
10	Rated lightning impulse voltage	kV	Break 750
11	Operation sequence		O-0.3s-CO-180s-CO
12	Opening time	ms	32±7
13	Closing time	ms	85±10
14	Close-open time	ms	≤60
15	Main circuit resistance	μΩ	≤100
16	Rated SF6 gas pressure (20℃gauge pressure)	Mpa	0.5
17	Alarm/blocking pressure(20℃gauge pressure)	Mpa	0.55/0.5
18	SF6 annual gas leakage rate	%	≤0.5
19	Gas moisture content	Ppm(v)	≤150
20	Mechanical life	times	6000

Dimension

40.5kV

40.5kV HGIS Dimension

72.5kV

72.5kV HGIS Dimension

145kV

145kV HGIS Dimension

Documentation Resource Library

Restricted

RHP type Hybrid Gas Insulated Switchgear catalogue

Catalogue

English

Consulting

FAQ for

Q: What is the core upgrade of digital RHP type HGIS compared to traditional switchgear?

Full digitalization: Information collection, transmission, and processing are all digital, with fiber optic cables replacing cables;
High compatibility: Following the IEC 61850 standard, devices are interconnected and interoperable;
Easy to expand: New features do not require modification of existing devices, only need to be connected to the network.

Q: What is the voltage range and applicable scenarios of RHP type HGIS?

The voltage covers 40.5kV-145kV and is suitable for scenarios such as power plants, substations, railways, ports, etc. It is particularly suitable for space limited projects such as urban/mountainous substations, renovation of old stations, and rooftop/mobile substations.

Q: What are the core advantages of RHP type HGIS compared to traditional GIS and AIS?

Land saving: 40% -60% footprint savings compared to AIS;
Cost advantage: 30% lower than GIS investment and 45% -50% lower than total investment;
Less maintenance: 25 years maintenance free, mechanical lifespan of 6000 times;
Environmental Protection: SF6 usage is only 20% of GIS, with an annual leakage rate of ≤ 0.5%.

Know your supplier

ROCKWILL

Wenzhou Rockwill Electric Co., Ltd.
17yrs 500-1000 employees 108000m²+m² US$150000000+ China

Wenzhou Rockwill Electric Co., Ltd.

17yrs 500-1000 employees 108000m²+m² US$150000000+ China

Online store

On-time delivery rate

Response time

100.0%

≤4h

Company overview

Workplace: 108000m²m² Total staff: 700+ Highest Annual Export(usD): 150000000

Workplace: 108000m²m²
Total staff: 700+
Highest Annual Export(usD): 150000000

Services

Business Type: Design/Manufacture/Sales

Main Categories: High Voltage Electrical Apparatus/Electric transformer

Whole life care manager

Whole-life care management services for equipment procurement, use, maintenance, and after-sales, ensuring safe operation of electrical equipment, continuous control, and worry-free electricity consumption.

The equipment supplier has passed platform qualification certification and technical evaluation, ensuring compliance, professionalism, and reliability from the source.

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RHP type Hybrid Gas Insulated Switchgear catalogue

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Whole life care manager

The equipment supplier has passed platform qualification certification and technical evaluation, ensuring compliance, professionalism, and reliability from the source.

Related Knowledges

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1. Accident Record (March 19, 2019)At 16:13 on March 19, 2019, the monitoring background reported a light gas action of No. 3 main transformer. In accordance with the Code for Operation of Power Transformers (DL/T572-2010), operation and maintenance (O&M) personnel inspected the on-site condition of No. 3 main transformer.On-site confirmation: The WBH non-electrical protection panel of No. 3 main transformer reported a Phase B light gas action of the transformer body, and the reset was ineff

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Rockwill

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Vziman

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Why Do Substations Use Stones, Gravel, Pebbles, and Crushed Rock?

Why Do Substations Use Stones, Gravel, Pebbles, and Crushed Rock?In substations, equipment such as power and distribution transformers, transmission lines, voltage transformers, current transformers, and disconnect switches all require grounding. Beyond grounding, we will now explore in depth why gravel and crushed stone are commonly used in substations. Though they appear ordinary, these stones play a critical safety and functional role.In substation grounding design—especially when multiple gr

Echo

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Why Must a Transformer Core Be Grounded at Only One Point? Isn't Multi-Point Grounding More Reliable?

Why Does the Transformer Core Need to Be Grounded?During operation, the transformer core, along with the metal structures, parts, and components that fix the core and windings, are all situated in a strong electric field. Under the influence of this electric field, they acquire a relatively high potential with respect to ground. If the core is not grounded, a potential difference will exist between the core and the grounded clamping structures and tank, which may lead to intermittent discharge.I

Vziman

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Understanding Transformer Neutral Grounding

I. What is a Neutral Point?In transformers and generators, the neutral point is a specific point in the winding where the absolute voltage between this point and each external terminal is equal. In the diagram below, pointOrepresents the neutral point.II. Why Does the Neutral Point Need Grounding?The electrical connection method between the neutral point and earth in a three-phase AC power system is called theneutral grounding method. This grounding method directly affects:The safety, reliabilit

Vziman

01/29/2026

Hybrid Gas Insulated Switchgear up to 145kV

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Product descriptions from the supplier

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