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3 results on '"capacitance parameters"'

1. Static voltage sharing technology of multi-break mechanical switch for hybrid HVDC breaker

Author

Qiuyu Yang, Daochun Huang, Xuezong Wang, Zhibin Qiu, and Jiangjun Ruan

Subjects
HVDC power transmission, finite element analysis, voltage distribution, circuit breakers, capacitance, static voltage sharing technology, multibreak mechanical switch, hybrid HVDC breaker, high-voltage direct current breaker, serially connected interrupter units, static voltage distribution characteristics, voltage sharing design, mechanical switching, power electronics switching, finite-element model, static voltage distribution, capacitance parameters, Engineering (General). Civil engineering (General), TA1-2040
Abstract

The hybrid high-voltage direct current (HVDC) breaker combines mechanical and power electronics switching that enables it to interrupt power flows within a few milliseconds. Mechanical switch is a key component of hybrid HVDC breaker and has a number of serially connected interrupter units which ideally would divide the voltage equally. The static voltage distribution characteristics and voltage sharing design of a multi-break mechanical switch were discussed in this study. A finite-element model was developed to study the static voltage distribution characteristics and capacitance parameters of multi-break mechanical switch (which actually consists of resistance and capacitance parameters under direct current) as a preliminary study. Comparisons were made under the simulation of vertical and U-shaped arrangement forms. The results indicate that the static voltage distribution of the high-voltage terminal is at least more than 65%, whereas the severe non-uniform voltage distribution can be well improved by means of the method proposed in this study.

Published
2019
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2. Static voltage sharing technology of multi-break mechanical switch for hybrid HVDC breaker.

Author

Yang, Qiuyu, Huang, Daochun, Wang, Xuezong, Qiu, Zhibin, and Ruan, Jiangjun

Subjects
ELECTRIC potential, HIGH-voltage direct current converters, ELECTRONICS, ELECTRIC resistance, ELECTRIC capacity
Abstract

The hybrid high-voltage direct current (HVDC) breaker combines mechanical and power electronics switching that enables it to interrupt power flows within a few milliseconds. Mechanical switch is a key component of hybrid HVDC breaker and has a number of serially connected interrupter units which ideally would divide the voltage equally. The static voltage distribution characteristics and voltage sharing design of a multi-break mechanical switch were discussed in this study. A finite-element model was developed to study the static voltage distribution characteristics and capacitance parameters of multi-break mechanical switch (which actually consists of resistance and capacitance parameters under direct current) as a preliminary study. Comparisons were made under the simulation of vertical and U-shaped arrangement forms. The results indicate that the static voltage distribution of the high-voltage terminal is at least more than 65%, whereas the severe non-uniform voltage distribution can be well improved by means of the method proposed in this study. [ABSTRACT FROM AUTHOR]

Published
2019
Full Text
View/download PDF

3. Static voltage sharing technology of multi‐break mechanical switch for hybrid HVDC breaker

Author

Jiangjun Ruan, Zhibin Qiu, Daochun Huang, Qiuyu Yang, and Xuezong Wang

Subjects
voltage distribution, Computer science, 020209 energy, capacitance, mechanical switching, capacitance parameters, Energy Engineering and Power Technology, finite element analysis, 02 engineering and technology, Interrupter, Capacitance, static voltage distribution characteristics, Power electronics, 0202 electrical engineering, electronic engineering, information engineering, hybrid HVDC breaker, power electronics switching, Circuit breaker, multibreak mechanical switch, business.industry, static voltage sharing technology, 020208 electrical & electronic engineering, Direct current, General Engineering, Electrical engineering, static voltage distribution, HVDC power transmission, Power (physics), finite-element model, lcsh:TA1-2040, high-voltage direct current breaker, voltage sharing design, Interrupt, circuit breakers, lcsh:Engineering (General). Civil engineering (General), business, serially connected interrupter units, Software, Voltage
Abstract

The hybrid high-voltage direct current (HVDC) breaker combines mechanical and power electronics switching that enables it to interrupt power flows within a few milliseconds. Mechanical switch is a key component of hybrid HVDC breaker and has a number of serially connected interrupter units which ideally would divide the voltage equally. The static voltage distribution characteristics and voltage sharing design of a multi-break mechanical switch were discussed in this study. A finite-element model was developed to study the static voltage distribution characteristics and capacitance parameters of multi-break mechanical switch (which actually consists of resistance and capacitance parameters under direct current) as a preliminary study. Comparisons were made under the simulation of vertical and U-shaped arrangement forms. The results indicate that the static voltage distribution of the high-voltage terminal is at least more than 65%, whereas the severe non-uniform voltage distribution can be well improved by means of the method proposed in this study.

Published
2018

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