نتایج جستجو برای: circuit breaker testing

تعداد نتایج: 447370  

2002
Imtiaz Khan Malcolm Critchley

The subject of arc fault detection and circuit interruption has gained a lot of attention in recent years, particularly in the aviation industry. This is primarily due to a spate of in-flight fires which have been linked to faulty electrical systems and wiring on aircraft. Typical causes of faults are wiring chafing, dust build up and moisture [1][2]. Until recently, aircraft circuit breakers, ...

2015
Morris Brenna Federica Foiadelli Dario Zaninelli

This paper addresses the resonance phenomena that can occur in an isolated distribution system during transient events such as repeated energizations or power converter switching. In particular, the aim of this study is to analyze the energization of an onboard radial distribution system installed on an electric ship and to determine how the various leakage parameters that can cause resonance p...

Journal: :journal of operation and automation in power engineering 2014
t. barforoushi m. rasoulpoor

generally, the failure rate and the repair time of system components are constant parameters in reliability assessment of electric distribution systems. a failure of component is resulted from failing in the operation or overloading. in addition, there exist cases where, the repair times of components are small and tolerable from customer point of view. thus, tolerable repair times may be overl...

2012
J. Havelka R. Malarić K. Frlan

In order to analyze the operation of the protection system during induced fault testing in the Croatian power system, a simulation using the CAPE software has been performed. The CAPE software (Computer-Aided Protection Engineering) is expert software intended primarily for relay protection engineers, which calculates current and voltage values during faults in the power system, so that relay p...

2014

The purpose of this paper is to acquire the remote electrical parameters like Voltage, Current, and Frequency from Smart grid and send these real time values over GSM network using GSM Modem/phone along with temperature at power station. This project is also designed to protect the electrical circuitry by operating an Electromagnetic Relay. The Relay can be used to operate a Circuit Breaker to ...

2012
Amit Sachan

The purpose of this project is to acquire the remote electrical parameters like Voltage, Current and Frequency and send these real time values over GSM network using GSM Modem/phone along with temperature at power station. This project is also designed to protect the electrical circuitry by operating an Electromagnetic Relay. This Relay gets activated whenever the electrical parameters exceed t...

2014

The purpose of this paper is to acquire the remote electrical parameters like Voltage, Current, and Frequency from Smart grid and send these real time values over GSM network using GSM Modem/phone along with temperature at power station. This project is also designed to protect the electrical circuitry by operating an Electromagnetic Relay. The Relay can be used to operate a Circuit Breaker to ...

Journal: :Protection and Control of Modern Power Systems 2022

Abstract A conventional hybrid circuit breaker (HCB) is used to protect a voltage source converter-based high direct current transmission system (VSC-HVDC) from short fault. With the increased converter capacity, DC protection equipment also requires regular upgrade. This paper adopts novel type of HCB with fault limiter (FCLC), and focuses on responses during faults, which are associated param...

Journal: :International Journal of Electrical Power & Energy Systems 2019

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