Prediction of Insulation Capability for Ground Fault to Consider Asymmetry in SF6 Circuit Breaker
نویسندگان
چکیده
منابع مشابه
Analysis of Electric Field and Polarization of SF6 Circuit Breaker to Approach a Suitable Structure
Abstract: The application of electric field theory to widely different aspects of electrical insulation has led to more understanding the phenomena. Electric fields may be considered as the main reason for insulation failure. The purpose of this paper is to modify importance of analyzing electric field in insulation design. The SF6 circuit breaker is chosen as case study that encounters cri...
متن کاملOf a High Current Hvdc Circuit Breaker with Fast Fault Clearing Capability
Recent yea rs have seen r a p i d growth i n d i r e c t c u r r e n t t ransmiss ion. Th is growth increases the need and scope o f a p p l i c a t i o n f o r a h i g h vo l tage d i r e c t c u r r e n t c i r c u i t breaker . S i g n i f i c a n t improvements have been made i n a p r e v i o u s l y developed 500 kV, 2000A HVdc c i r c u i t breaker . These improvements have increased t h...
متن کاملCDM in Sub-Stations by Replacement of SF6 Gas in Circuit Breaker
This paper gives a case of large Sub-Station Clean Development Mechanism (CDM) Project to analyze CDM project’s influence on India’s Sustainable Development. SF6 gas is being extensively used in circuit breakers. SF6 gas has the highest Global warming potential which is 23900 times of Carbon Dioxide. Extensive Survey of SubStation using SF6 circuit breaker has been done in a sample state of Ind...
متن کاملDevelopment of an Overall Condition Monitoring System of High Voltage SF6 Circuit Breaker
With the rapid development of arts of sensors and IT, on-line monitoring of circuit breaker is now desirable and practical for electric power utilities. This paper describes a set of overall on-line monitoring systems that was developed to control and monitor the condition of SF6 circuit breaker with different type of sensors and microcomputer based controller. The aim of the developed system i...
متن کاملSF6 High Voltage Circuit Breaker Contact Systems Under Lightning Impulse and Very Fast Transient Voltage Stress
In the past few years gas insulated high voltage circuit breakers have improved considerably, in particular with respect to required drive energy for operation, compactness and reliability. A further reduction in size implies increasing operational field stress inside the breaker and, thus, a reduction in built-in safety margins. If the design comes closer to its physical limits, in particular ...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of Electrical Engineering and Technology
سال: 2015
ISSN: 1975-0102
DOI: 10.5370/jeet.2015.10.5.2046