Study on the impact of optimal design of internal space layout of pre-assembled substation on the stability of equipment operation
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17 mar 2025
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Pubblicato online: 17 mar 2025
Ricevuto: 21 ott 2024
Accettato: 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.
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Figure 7.

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 |