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Study on the impact of optimal design of internal space layout of pre-assembled substation on the stability of equipment operation

Jingchao Guo

Jingchao Guo

Construction Project Management Branch of National Petroleum and Natural Gas Pipeline Network Group Co., LtdLangfang, China
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Guo, Jingchao
, 
Baojian Li

Baojian Li

Construction Project Management Branch of National Petroleum and Natural Gas Pipeline Network Group Co., LtdLangfang, China
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Li, Baojian
, 
Huaiyi Jing

Huaiyi Jing

Construction Project Management Branch of National Petroleum and Natural Gas Pipeline Network Group Co., LtdLangfang, China
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Jing, Huaiyi
, 
Chunli Hu

Chunli Hu

China Petroleum Pipeline Engineering CorporationLangfang, China
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Hu, Chunli
 und 
Sen Lin

Sen Lin

China Petroleum Pipeline Engineering CorporationLangfang, China
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Lin, Sen
  
17. März 2025
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Online veröffentlicht: 17. März 2025
Eingereicht: 21. Okt. 2024
Akzeptiert: 07. Feb. 2025
DOI: https://doi.org/10.2478/amns-2025-0195
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© 2025 Jingchao Guo et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

Figure 1.

The commonly used structure of pre-installed substation
The commonly used structure of pre-installed substation

Figure 2.

System framework for smart type pre-installed substation
System framework for smart type pre-installed substation

Figure 3.

The speed of the deceleration belt is under normal velocity
The speed of the deceleration belt is under normal velocity

Figure 4.

The speed of the deceleration band is fast
The speed of the deceleration band is fast

Figure 5.

Maximum allowable speed down the speed belt
Maximum allowable speed down the speed belt

Figure 6.

Changes in the case of pre-installed transformer substation in the transportation process
Changes in the case of pre-installed transformer substation in the transportation process

Figure 7.

Simulation results
Simulation results

The comparison of main harmonic current values

Major harmonic times Filter pre-current current value Filter post-current current value Reduction rate(%)
5th 8.09 0.918 90.1
7th 3.56 0.757 81.2
11th 3.19 0.34 92.8
13th 2.22 0.23 94.8
175th 2.04 0.199 85.9

Compensation effect of different pulse shift Angle

Pulse Angle Active power(P/W) Imaginary power(Q/Var) power factor(ph)
Before Later Before Later Before Later
55° 9556 27236 16858 337 0.6685 0.99
60° 8203 25878 15995 108 0.6311 0.99
65° 7226 12913 15159 29 0.6045 1
70° 4847 20326 13287 30 0.5152 1
75° 3168 14925 11063 104 0.4455 1
80° 1628 10229 7673 42 0.3725 1
85° 631 2653 4072 17 0.3038 1
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