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GPN1-12kV Removable AC Metal-clad Enclosed Switchgear

Short Description:

GPN1-12kV/17.5kV/24kV removable AC metal-clad switchgear (short for panel as below) is a new product, designed and developed by us, based on the introduction of advanced foreign design and manufacturing technology. The panel applies to 3.6~24kV 3phase AC 50Hz network for receiving and distributing power energy and also for control, monitor and protection. It can be arranged for single busbar, single busbar sectionalizing system or double busbar. It accords with IEC298 “AC Metal Enclosed Switch and Control Equipment above 1kV and below 52kV “IEC 694 Standard Common Clauses for High Voltage Switchgear “, DIN. VDE “ AC Switchgear at Rated Voltage Above 1kV “, GB 3906 “ 3~35kV AC Metal Enclosed Switchgear and so on. It has perfect and reliable prevention function against misoperation.


Product Detail

Product Tags

Ambient condition

Ambient temperature: -25℃~+45℃, daily average: ≤35℃
Altitude: 1000m( Standard); can up to 4500m for special ordering;
Relative humidity: daily average ≤95%, monthly average ≤90%;
Earthquake intensity ≤8 degree;
Applicable occasions should be free from inflammables, explosives, corrosives and severe vibration.

Model

model-12kV

Products feature

1) This product is applicable for our own made GPVN-12kV/17Kv/24kV embedded or insulating sleeve vacuum circuit breaker or ABB's VD4 vacuum circuit breaker.
2) Our production configuration GPVC vacuum contactor - fuse combination or ABB company's VC vacuum contactors, which can be composed of F-C loop cubicle, to meet the electricity system of power plants and demand of other industrial and mining enterprises.
3) Using excellent aluminum-zinc clad steel plate by precision CNC machining equipment assembled into the cabinet, and the use of double bending process, greatly improve the strength of the cabinet.
4) Door surface by epoxy resin electrostatic powder spray process, resistance of corrosion, oxidation, impact and strong adhesion.
5) Cabinet fully enclosed structure is realized fully armored, the functional units are completely separated. When the door is closed, it can achieve the operation of circuit breaker and earthing switch.
6) Precision screw drive mechanism, ensure the trolley with good interchangeability.
7) Perfect primary plan to meet the various needs of users, and enables double trolley plan.
8) Fast grounding switch for earthing and short circuits, and to achieve electric (Motorized) operation.
9) Simple and effective "Five Safety" interlock mechanism can reliably prevent misuse and ensure operator’s safety.
10) Switchgear is belonging to Arc-proof type, on the top of bus compartment, Vacuum circuit breaker compartment, and cable terminal compartment are equipped with pressure relief devices.
11) Cable compartment has ample space, can be easily connected to a plurality of cables, and make sure the installation height of the cable plug.
12) Strict protection rating (IP4X), to effectively prevent foreign matter or pest invasion.
13) Optional secondary system following the security monitoring device has a self-diagnostic function and data communication, intelligent integrated computer, to achieve remote control, remote telemetry, remote viewing, remote adjustment.
14) Meet GB3906, GB / T11022, DL404 and IEC60298, IEC62271-1 standards, and through a comprehensive test type test and plateau test (3000 m).
15) Passed electromagnetic compatibility tests in the high voltage equipment test laboratory.

A.Technical specification For 12Kv switchgear

Item

Unit

Data

Rated voltage

kV

6~12

Rated frequency

Hz

50/60

Rated current

A

630~4000

Rated insulation level

1min power frequency

(Phase to earth / across open contacts)

kV

42/48

Lightning impulse withstand voltage

(Phase to earth/across open contacts)

kV

75/85

Main busbar rated current

A

1250,1600,2000,2500,4000

Sub-busbar rated current

A

630,1250,1600,2000,2500,3150

Rated short time withstand current(4s)

kA

16,20,25,31.5,40,50

Rated peak withstand current

kA

40,50,63,80,100,125

Protection degree

 

Enclosure IP4X,  IP2X(VCB door opened)

Outline dimension(width/depth/height)

mm

650(800,1000) /1500(1300,1670,2000) /2300

Weight

kg

500~1200

Structure drawing of cubicle 630A~1250A

12kV-1

Structure drawing of cubicle 1600A~4000A

12kV-2

B.Main technical parameters table for 17.5kV switchgear

No.

Name

Unit

Data

1

Rated voltage

kV

15/17.5

2

Rated insulation level

1 min power frequency withstand voltage (RMS)

kV

50

Lighting impulse withstand voltage (peak)

95

3

Rated current

A

630~4000

4

Rated short-circuit opening current

kA

50

5

Rated power frequency

Hz

50/60

6

Rated short-circuit making current(peak)

kA

130

7

Rated peak withstand current

kA

130

8

Rated short-time withstand current

kA

50

9

Electrical life

times

20

10

Rated short-circuit current duration

s

4

11

Mechanical life of VCB

times

10000

12

Protection degree of cubicle

 

Enclosure IP4X, IP2X(VCB door opened)

13

Outline dimension (W*D*H)

mm

800/1000*1500/1670*2300

14

Weight

kg

500~1200

C.Technical specification for 24kV switchgear

Item

Unit

Data

Rated voltage

kV

24

Rated frequency

Hz

50/ 60

Rated current

A

630,1250, 1600, 2500, 3150, 4000

Rated insulation level

1min power frequency

(phase to earth / across open contacts)

kV

65

Lightning impulse withstand voltage

 (phase to earth / across open contacts)

kV

125

Rated short time withstand current(4s)

kA

20, 25, 31.5

Rated peak withstand current

kA

50, 63, 80

Protection degree

 

Enclosure: IP4X, door open: IP2X

Outline dimension(width x depth x height)

mm

1000(800)x1820(1500)x2430(2300)

Weight

kg

1200-1500

1. The short circuit capacity of CT shall be separately considered;
2. The diagram of back overhead outgoing line should have additional cubicle.

Structure schematic drawing of GPN1-24kV section drawing of feeder panel

24kV

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