Seismic analysis of 110kV capacitor bank in high altitude area
The analysis of 110kV capacitors mainly includes two parts: (1) capacitor modal analysis; (2) The seismic performance analysis of the capacitor structure adopts the seismic acceleration …
Seismic Performance Study of Composite Insulator Assembled in 1 …
This paper studies mechanical properties and seismic performance of hollow core composite insulators by impact test, quasi-static bending test and shaking table test.
Seismic Performance Comparison of a Fixed-Base versus a Base …
Seismic Performance Comparison of a Fixed-Base versus a Base-Isolated Office Building Nicholas Reidar Marrs The topic of this thesis is base isolation. The purpose of this thesis is to offer a relative understanding of the seismic performance enhancements that a typical 12-story
Seismic Performance and Vulnerability Analysis of High Voltage …
To comprehensively analyze seismic performance and vulnerability, a sophisticated finite element model of a typical capacitor was built, and nonlinear time-history analysis with 7 different ground motions was carried out to obtain the seismic responses and weak positions of the capacitor.
Seismic Rehabilitation of a Capacitor Bank Structure through Base …
1. INTRODUCTION It is well known that electrical substation oil circuit breakers, switches, current transformers and capacitor banks are highly susceptible to earthquake damage because of …
Seismic Fragility Analysis of Structures Based on Adaptive …
Structural seismic fragility analysis is an important part of the performance-based earthquake engineering framework . From the analysis, the fragility function of a structure can be obtained in the form of fragility curves that describe the conditional probability that the engineering demand parameter (EDP) exceeds a certain limit state for a given intensity measure (IM).
Seismic performance of indoor substation RC frames with combined base ...
To this end, supplemental methods have been investigated and proposed to improve the seismic performance of the RC indoor substations, and the base isolation technique is considered promising for its ability to shift the fundamental vibration period of the superstructure away from the predominant period of the sites and the earthquake waves.
Seismic Base-Isolation Design of Multi-tower High-Rise ...
anism of the whole structure is very complex, and it is more difficult to analyze seismic performance of such structures than that of conventional ones [4]. ... Seismic Base-Isolation Design of Multi-tower High-Rise Buildings 361 Table 1. Number of used bearings System 1 LRB800 LRB1000 LRB1100 LRB1200 LRB1300 LRB1400 LNR800 46 21 34 23 14 5 22
An investigation on seismic performance of the separated fluid …
Request PDF | On Nov 1, 2024, Yangyang Liao and others published An investigation on seismic performance of the separated fluid inerter base on model experiment and shaking table test | Find, read ...
Numerical simulation approach and seismic performance …
Therefore, in this study, a 3D concrete self-centering frame finite element model was developed based on shaking table tests of a six-story frame to investigate its seismic performance. In addition, a new method similar to the centralized plastic hinge was established to simulate the gap openings at the beam-column and column-base joints of the self-centering structure.
Study of Earthquake Simulation Shaking Table Test on the …
nt in UHV substation was tested by seismic simulation shaking table for the first time in this research. The dynamic characteristics and seismic response of capacitor ba k was obtained …
Seismic performance of base-isolated structures for swimming …
The swimming pool reactor (SPR) is an innovative and environmentally friendly heating source. An SPR building was selected as the research subject, and a 3D dynamic interaction model incorporating the liquid sloshing effect was created using ANSYS software and the secondary development characteristics of user-programmable features (UPFs). Energy …
Study of Earthquake Simulation Shaking Table Test on the Capacitor …
Based on the summary of seismic performance study of capacitor bank, the 110kV equipment in UHV substation was tested by seismic simulation shaking tablefor the first time in this research. The dynamic characteristics and seismic response of capacitor bank was obtained by the determination of acceleration,
Seismic analysis and retrofitting countermeasure for 1315 kV …
A 1315 kV PLC/RI capacitor was modeled and analyzed using finite element technique. The modal analysis results show that the primary frequency of the capacitor is …
MEMS based geophones and seismometers
Basically, seismic devices can be divided into two types, active and passive. And MEMS based geophones and seismometers are active sensors. These sensors are often packaged with an integrated circuit (IC) with a signal processing system for the signal amplifier, filtering and signal feedback [[10], [11], [12]], which inevitably generates electronic noise in …
Seismic Performance Evaluation of Base Isolated Building
According to Kelly, base isolation improves seismic performance of structures by reducing inter-story drifts and floor accelerations in the superstructure. The features of the isolation systems are (i) reduces seismic demands on the structure, (ii) high energy dissipation, (iii) horizontal flexibility. Numerous studies have been conducted ...
Shaking Table Test on Model of 110kV Capacitor Bank in
Download Citation | Shaking Table Test on Model of 110kV Capacitor Bank in UHV Substation | In order to definite the seismic response regularities of the 110kV capacitor bank and to improve ...
Seismic analysis of 110kV capacitor bank in high altitude area
Browse by the latest conferences or optics-based technology. In recent years, China ''s frequent earthquakes have caused serious damage to power facilities, seriously endangering people ''s property safety and social stability. ... capacitor modal analysis; (2) The seismic performance analysis of the capacitor structure adopts the seismic ...
Seismic retrofitting of an HV circuit breaker using base isolation with ...
The seismic performance of electrical equipment components can be improved by the application of dampers and base isolators. 37, 38 In the proposed framework, the impact of such retrofitting ...
Seismic Performance and Vulnerability Analysis of …
DOI: 10.1109/PSGEC51302.2021.9542302 Corpus ID: 237619858; Seismic Performance and Vulnerability Analysis of High Voltage Capacitor @article{Shen2021SeismicPA, title={Seismic Performance and Vulnerability …
Seismic Responses and Overturning Resistance Capacity of Base …
Seismic accelerations and interlayer displacements can be reduced by Laminated Rubber Bearings (LRBs) efficiently. Isolators would amplify the displacement of the superstructure by extending the natural period, thereby reducing acceleration and seismic damage. However, as a result, the risk of pounding with adjacent structures would be raised. …
BN‐based seismic risk analysis and mitigation strategy for UHV ...
This paper proposes a probabilistic framework for assessing and mitigating the seismic risk of UHV converter station systems to enhance the seismic performance of the grid. First, a Bayesian network model for the system functionality of UHV converter stations was established based on the enumeration of equipment failure scenarios.
Analysis of seismic damage mechanism of capacitor
Through the fine finite element simulation modeling of the actual capacitor, the sine beat wave, and the actual earthquake input, the dynamic characteristics and the response index under the …
Resilience-based seismic design of inter-story isolated multi …
Experimental and numerical studies were performed to investigate the seismic performance of multiple towers built on a large chassis. Shaking table tests of two-towers built on a large chassis were conducted by Li et al. [6] and Zhao et al. [7], and those of four-towers built on a large chassis were conducted by Zhou et al. [8].The influences of the damping ratio and …
Seismic Rehabilitation of a Capacitor Bank Structure through Base ...
It is well known that electrical substation oil circuit breakers, switches, current transformers and capacitor banks are highly susceptible to earthquake damage because of their brittle ceramic …
Seismic Performance Study of Composite Insulator Assembled in …
Seismic Performance Study of Composite Insulator Assembled in 1 000 kV Capacitor Voltage Transformer by Quasi-static Test and Shaking Table Test . Sheng Li (1), Yongfeng Cheng ... transformer bushing on shaking table and developed modeling technique for seismic response analysis based on test results.
Seismic Performance and Vulnerability Analysis of High Voltage …
Request PDF | On Aug 1, 2021, Long Shen and others published Seismic Performance and Vulnerability Analysis of High Voltage Capacitor | Find, read and cite all the research you need …
Seismic Performance and Vulnerability Analysis of High Voltage Capacitor
Capacitors are basic components used in filter loops of high voltage substations. However, in recent earthquake events, capacitors have proved to be vulnerable for their significant mass, high center of gravity and fragility of ceramic insulators. To comprehensively analyze seismic performance and vulnerability, a sophisticated finite element model of a typical capacitor was …
Probability Based Vulnerability Analysis of UHVDC Supported …
In addition, a seismic vulnerability analysis of the circuit was conducted. The results show that the first three order frequencies of the model were calculated as 1.354 Hz, 1.471 Hz and 1.621 Hz. Coupling has a beneficial effect on the seismic performance of pillar equipment and LV equipment capacitor C3 and reactor L3.
Seismic Performance and Vulnerability Analysis of High Voltage Capacitor
Capacitors are basic components used in filter loops of high voltage substations. However, in recent earthquake events, capacitors have proved to be vulnerable for their significant mass, high center of gravity and fragility of ceramic insulators. To comprehensively analyze seismic performance and vulnerability, a sophisticated finite element model of a …
Seismic Performance Assessment of an Ultra-High–Voltage …
Standardization research based on seismic performance of ultra high voltage (UHV) lightning arrester, an important electrical device in substation, is of great significance to improve its seismic ...
Experimental and numerical study on the seismic performance …
This paper described the development and seismic performance assessment of a novel Piston Based Self-Centering (PBSC) bracing system for the civil engineering structures. Design drawings were generated, and a test specimen was fabricated and tested several times under quasi-static loading protocol where stable and self-centering hysteresis behavior was …
Experimental and numerical study on the seismic behavior of an …
A kind of external prestressed self-centering frame (EPSCF) structure is proposed, and the numerical analytical modeling is given. In such a structure, the pure hinged beam-column joints and column base joints are adopted, the externally prestressed steel strands are utilized to provide lateral stiffness and restoring forces, and the inter-story metal dampers …