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Hybrid Gas Insulated Switchgear up to 145kV

  • Hybrid Gas Insulated Switchgear up to 145kV

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
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

Break 118

10

Rated lightning impulse voltage

kV

To ground 215

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

Break 315

10

Rated lightning impulse voltage

kV

To ground 650

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

Break 315

10

Rated lightning impulse voltage

kV

To ground 650

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 Hybrid Gas Insulated Switchgear (HGIS)

RHP type Hybrid Gas Insulated Switchgear catalogue
Restricted
RHP type Hybrid Gas Insulated Switchgear catalogue RHP type Hybrid Gas Insulated Switchgear catalogue
Catalogue
English
PDF

Frequently asked questions

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

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.

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

Know your supplier

Online store
On-time delivery rate
Response time
100.0%
≤4h
Company overview
Workplace: 108000m² Total staff: 700+ Highest Annual Export(usD): 150000000
Services
Business Type: Design/Manufacture/Sales
Main Categories: Medium and High Voltage Switchgear/Power and Distribution Transformers/Instrument Transformers and Sensors/Lightning Protection and Electrical Insulation/Substations and E-Houses/Electrical Panel and Controlgear
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