Accesso libero

Theoretical study and simulation analysis of distributed vibration de-icing technology for medium voltage overhead lines

Xingping He

Xingping He

Zhaotong Power Supply Bureau of Yunnan Power Grid Co., LtdZhaotong, China
Cerca questo autore su
Sciendo|Google Scholar
He, Xingping
, 
Yuan Ma

Yuan Ma

Zhaotong Power Supply Bureau of Yunnan Power Grid Co., LtdZhaotong, China
Cerca questo autore su
Sciendo|Google Scholar
Ma, Yuan
, 
Ke Wang

Ke Wang

Electric Power Research Institute of Yunnan Power Grid Co., LtdKunming, China
Cerca questo autore su
Sciendo|Google Scholar
Wang, Ke
 e 
Chengmeng Liu

Chengmeng Liu

Zhaotong Yongshan Power Supply Bureau of Yunnan Power Grid Co., LtdZhaotong, China
Cerca questo autore su
Sciendo|Google Scholar
Liu, Chengmeng
  
19 mar 2025
Theoretical study and simulation analysis of distributed vibration de-icing technology for medium voltage overhead lines's Cover Image
INFORMAZIONI SU QUESTO ARTICOLO
Articolo precedente
Articolo Successivo
Cita
Scarica la copertina
Pubblicato online: 19 mar 2025
Ricevuto: 31 ott 2024
Accettato: 16 feb 2025
DOI: https://doi.org/10.2478/amns-2025-0465
Parole chiave
© 2025 Xingping He et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Figure 1.

The relationship between the Angle and the excitation force
The relationship between the Angle and the excitation force

Figure 2.

The force and torque of the two lines under the ice
The force and torque of the two lines under the ice

Figure 3.

A wire point 1 simulation
A wire point 1 simulation

Figure 4.

A wire point 2 simulation
A wire point 2 simulation

Figure 5.

B wire point 3 simulation
B wire point 3 simulation

Figure 6.

B wire point 4 simulation
B wire point 4 simulation

Figure 7.

Simulation results of self-parameter
Simulation results of self-parameter

Figure 8.

Simulation results of the equivalent rain
Simulation results of the equivalent rain

Figure 9.

The difference of the way the conductor is off the ice jump height
The difference of the way the conductor is off the ice jump height

Mechanical parameters of the conductor

Parameter LGJ-70/10 LGJ-400/65
(aluminum/steel) root number/root 6/1 26/7
(aluminum/steel) diameter/mm 3.80/3.80 4.12/3.45
Outer diameter d/mm 11.50 29.00

The transmission wire removes the ice rate in different loading modes

Loading mode Ice rate(%)
First gear Second gear Third gear Fourth gear Fifth gear
Impact load 23.6 11.6 67.8 17.4 32.6
Continuous shock load 29.5 18.5 74.6 27.5 40.7

Physical parameters of the conductor

Material Elastic modulus/pa Poisson ratio Density/(g*cm−3)
steel 2.06×1011 0.3 7.9
aluminium 7.17×1010 0.33 2.7
rime 3×108 0.3 0.9

Modal frequency of iced LGJ-70/10

Cylinder mode frequency/Hz Elliptical pattern frequency/Hz(a=D) Elliptical pattern frequency/Hz(a=1.5D) The modal frequency of the fan/Hz(a=D) The modal frequency of the fan/Hz(a=1.5D) Vibration characteristic
814 956 925 887 865 Horizontal first order vibration type, z direction
815 9510 945 894 882 Horizontal first order vibration, y direction
2566 4192 3985 3191 3198 Reverse stage 1
2175 2568 2459 2371 2286 Horizontal stage 2, z direction
2184 2584 2556 2390 2311 Horizontal stage 2, y direction
Lingua:
Inglese
Frequenza di pubblicazione:
1 volte all'anno
Argomenti della rivista:
Scienze biologiche, Scienze della vita, altro, Matematica, Matematica applicata, Matematica generale, Fisica, Fisica, altro
Feed RSS della rivista