Unitized Substation
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unitized substation
Product Introduction
Integrated substation is a kind of surface-protected integrated substation.The integrated intelligent substation adopts advanced, reliable, integrated and environmentally friendly intelligent equipment. With the basic requirements of full-station information digitalization, communication platform networking and information sharing standardization, it automatically completes basic functions such as information collection, measurement, control, protection, measurement and detection. At the same time, it is equipped with advanced functions such as real-time automatic control of the power grid, intelligent adjustment, online analysis and decision-making and collaborative interaction.
Product Parameter
|
Item
|
Unit
|
H.V electrical equipment
|
Transformer
|
L.V electrical equipment
|
|
Rated voltage
|
kV
|
10
|
10/0.4
|
0.4
|
|
Rated current
|
A
|
630
|
|
100-2500
|
|
Rated frequency
|
Hz
|
50
|
50
|
50
|
|
Rated capacity
|
kVA
|
|
|
|
|
Rated thermal stability current
|
kA
|
20/4S
|
100-1250
|
30/1S
|
|
Rated dynamic stability current (peak)
|
kA
|
50
|
|
63
|
|
Rated closing short-circuit current (peak)
|
kA
|
50
|
|
15-30
|
|
Rated breaking short circuit current
|
kA
|
31.5 (Fuse)
|
|
|
|
Rated breaking load current
|
A
|
630
|
|
|
|
1 min power frequency withstand voltage
|
kV
|
Between phases, to earth 42, to open contacts 48
|
|
20/2.5
|
|
Lightning impulse withstand voltage
|
kV
|
Between phases, to earth 75, to open contacts 85
|
35/28(5min)
|
|
|
Shell protection class
|
|
IP23
|
IP23
|
IP23
|
|
Noise level
|
dB
|
630
|
Oil transformer<55 Dry transformer<65
|
|
|
Loops No.
|
|
|
2
|
4~30
|
|
Low voltage side max static var compensator
|
kvar
|
|
|
300
|
Applicable occasions
1. Areas with high population density and expensive land;
2. The site area is relatively narrow, and the excavation volume is large;
3. Plateaus and areas with high earthquake intensity;
4. Areas with severe or severe atmospheric pollution; and other special topographic conditions;
5. Engineering projects with a lot of cables; 6. Mines and urban substations;
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