Compact Substation

TECHNICAL SPECIFICATIONS

ENCLOSURE

INTERNAL ARC TEST

20 kA, 0.1 s

Temperature Rise Test

Class 10

IP Test

IP 35

Sound Level

60 dB

Material Thickness

Electro-Galvanized Sheet / 3mm

Base Frame

Hot Dipped Galvanised

 

11KV RING MAIN UNIT

RATING

 500 kVA

1000 kVA

Rated Voltage

12 kV

Short Time Withstand Current

20 kVA rms, 3s

Configuration

2 Load Break Switch + 1 Fuse Switch

Degree of Production

IP42

Load Break Switch

2

Rated Current of Switch Disconnector

630 A

Fuse Rating for Fuse Switch

50 A

100 A

 

415V LOW VOLTAGE DISTRIBUTION BOARD

RATING

 500 kVA

1000 kVA

Rated Current

800

1600

Rated Voltage

415

415

Incoming Disconnector

800

1600

Outgoing Fuseway

400 A

400 A

Fuseway

6

10

Outgoing Fuse Rating

250A-NH2

Rated Short-time Withstand Current

31.5 kA , 3s

Type of LV Board

DIN Type

 

GENERAL ARRANGEMENT

OVERALL DIMENSION

 

RATING

 500 kVA

1000 kVA

Length

2450

Width

2500

Height

2200

Total weight

-4.5 Tonne

 

DISTRIBUTION TRANSFORMER

RATING

 500 kVA

1000 kVA

Voltage Ration at No Load

11 kV / 0.433 kV

Off Circuit Tapping at HV

± 2.5% , ± 5%

Withstand Voltage a 50Hz for 1 min

28/3

Frequency

50Hz

Vector Group

Dyn11

Type of Cooling

ONAN

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