11KV Electric Compact Transformer Substation Box Type OEM
IEC/GB Standard 11KV 33KV Compact Transformer Substation Box Type
1. 11KV 33KV compact transformer substation
This Compact Transformer Substation is a very important power distribution and supply unit in the electrical cable power net.it is a kind of completed set of power supply with H.V.controlling,protection and converting ,distribution.. it used in 3 phase AC 50Hz and rated current max 1600KVA transformer.It is widely used in industrial and mining enterprises, residential quarters, hospital, mall, high-rise buildings and other distribution systems.
2. Environmental Information
- Sealed tank construction
- Special waste disposal considerations
- Insulation temperature limit: 120 °C
- Temperature rise: 65 °C (standard); 55 °C or 55/65 °C (optional)
Special Design Options
- Special sound requirements
- Special altitude requirements
- Retrofit designs
3. 11KV 33KV compact transformer substation Technical data
|
Item
|
Unit
|
HV Department
|
Transformer
|
LV Department
|
|
Rated Voltage
|
kV
|
12/24/36
|
(12/24/36)/0.4
|
0.4
|
|
Rated Current
|
A
|
630
|
3/75-150/3750
|
Less than 4000
|
|
Frequency
|
Hz
|
50
|
||
|
Rated Capacity
|
KVA
|
50-2500
|
||
|
Pfr Withstand
|
kV
|
42/50/70/95
|
2.5
|
|
|
BIL
|
kV
|
72/125/170/185
|
/
|
|
|
Crust Protection Grade
|
|
IP23
|
Oil type 55,
Dry type 65
|
IP23
|
|
Appearance Dimensions
|
mm
|
According to primacy wiring circuit schema
|
||
|
Item
|
Unit
|
HV Department
|
Transformer
|
LV Department
|
|
Rated Voltage
|
kV
|
40.5
|
40.5/12/0.69/0.4
|
12/6.3/0.69/0.4
|
|
Rated Current
|
A
|
Less than 1250
|
/
|
Less than 4000
|
|
Frequency
|
Hz
|
50
|
||
|
Rated Capacity
|
KVA
|
1250-20000
|
||
|
Pfr Withstand
|
kV
|
70/95
|
42/2.5(Auxiliary)
|
|
|
BIL
|
kV
|
170/185
|
75
|
|
|
Crust Protection Grade
|
|
IP23
|
Oil type 55,
Dry type 65
|
IP23
|
|
Appearance Dimensions
|
mm
|
According to primacy wiring circuit schema
|
||
4. Applicable Standards
-IEEE C57.12.00—Standard General Requirements for Liquid-Immersed Distribution, Power, and Regulating Transformers
-IEEE C57.12.34—Requirements for Pad-Mounted, Compartmental-Type, Self-Cooled, Three-Phase Distribution Transformers, 2,500 kVA and Smaller: High Voltage, 34,500 GrdY/ 19,920 V and Below; Low Voltage, 480 V and Below
-IEEE C57.12.28—Standard for Pad-Mounted Equipment—Enclosure Integrity
-IEEE C57.12.70—Standard for Terminal Markings and Connections for Distribution and Power Transformers
-IEEE C57.12.80—Standard Terminology for Power and Distribution Transformers
-IEEE C57.12.90—Standard Test Code for Liquid-Immersed Distribution, Short-Circuit Testing of Distribution and Power Transformers
-IEEE C57.13—Requirements for Instrument Transformers
-ANSI/IEEE 386—Separable Insulated Connector Systems for Power Distribution Systems Above 600 V
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