Results 231 to 240 of about 8,501 (279)

A hybrid circuit breaker for DC-application

2015 IEEE First International Conference on DC Microgrids (ICDCM), 2015
The development of large scale DC microgrid and high voltage direct current (HVDC) power grid requires a reliable, fast and low-loss circuit breaker. In spite of the advantages of DC gird such as low loss and no reactive power, DC grid has major disadvantages concerning control and switch actions.
Yang Bingjian, Gao Yang, Wei Xiaoguang, He Zhiyuan, Chen Longlong, Shan Yunhai   +5 more
openaire   +1 more source

Parameter Designing of the DC Hybrid Circuit Breaker

2014 Fifth International Conference on Intelligent Systems Design and Engineering Applications, 2014
This paper introduces the parameter designing of the DC hybrid circuit breaker (CB). In the CB, the current limiting circuit is designed to inhibit the increasing of fault current, the combinatorial electronic power switch is designed to reduce the series connecting number of power electronic device.
Chen Ke, Jiang Daozhuo, Du Yi, Fan Yu, Zhou Yang   +4 more
openaire   +1 more source

Hybrid DC Circuit Breaker Feasibility Study

IEEE Transactions on Components, Packaging and Manufacturing Technology, 2017
Recently, a growing number of dc systems exist based on the development of electrical energy consumption. For low-voltage dc grids, switching devices are needed that have to meet technically sophisticated requirements. These devices have to handle fault currents of several hundred amperes and system voltages up to 1000 V.
Dirk Bösche, Ernst-Dieter Wilkening, Hendrik Köpf, Michael Kurrat   +3 more
openaire   +1 more source

A novel hybrid DC circuit breaker for nodes in multi-terminal DC system

IECON 2017 - 43rd Annual Conference of the IEEE Industrial Electronics Society, 2017
DC fault protection is one of the biggest challenge to multi-terminal direct current (MTDC) systems, because DC current has no natural zero crossing point. To overcome this problem, hybrid DC circuit breaker (DCCB), which serves as a promising solution to the isolation of DC faults, has been developed.
Tianyu Wei, Zhanqing Yu, Rong Zeng 0001, Zhengyu Chen 0004, Xiangyu Zhang 0004, Weijie Wen, Yulong Huang   +6 more
openaire   +1 more source

Development of a new topology of dc hybrid circuit breaker

2013 2nd International Conference on Electric Power Equipment - Switching Technology (ICEPE-ST), 2013
A new topology of dc hybrid circuit breaker based on fast switch and liquid metal fault current limiters(LMFCL) is proposed for medium voltage dc system in this paper. The voltage generated by LMFCL can commutate the fault current into the parallel thyristors and make arcless open of fast switch contacts.
null Yifei Wu, null Mingzhe Rong, null Yi Wu, null Fei Yang, null Mei Li, null Yang Li   +5 more
openaire   +1 more source

Hybrid DC Molded Case Circuit Breaker Technology

2020 IEEE 66th Holm Conference on Electrical Contacts and Intensive Course (HLM), 2020
The demand for DC circuit protection products continues to grow as industry sectors such as electrical vehicles, energy storage and data centers further expand. It drives the need for cost effective and compact DC circuit protection devices with higher short circuit interruption ratings. This paper presents a novel hybrid DC molded case circuit breaker
Xin Zhou, Yanjun Feng, Z. John Shen, Slobodan Krstic   +3 more
openaire   +1 more source

Hybrid DC Circuit Breaker and Method for Controlling [PDF]

, 2013
A circuit breaker and method of controlling Direct Current is disclosed. The circuit breaker has a primary conduction path (202) comprising a positive temperature coefficient (PTC) device with a positive temperature coefficient of resistance and a mechanical switch (204, CB1) is connected in series with the PTC device.
Cwikowski, Oliver, Shuttleworth, Roger, Barnes, Michael   +2 more
openaire  

Zero volt switching hybrid DC circuit breakers

Conference Record of the 2000 IEEE Industry Applications Conference. Thirty-Fifth IAS Annual Meeting and World Conference on Industrial Applications of Electrical Energy (Cat. No.00CH37129), 2002
DC distribution networks have the advantage of easy connection of generators of different frequency, fuel cells, and storage devices like batteries and flywheels to a grid and the advantage of a lower current load of the cables. Despite these advantages, often an AC distribution network is chosen because of the lack of reliable DC switchgear.
P. van Gelder, J.A. Ferreira
openaire   +1 more source

An Integrated Multi-port Hybrid DC Circuit Breaker

2019 IEEE 8th International Conference on Advanced Power System Automation and Protection (APAP), 2019
A massive number of hybrid DC circuit breakers (HCBs) have to be installed to protect a voltage source converter based multi-terminal DC (MTDC) system, leading to quite high costs. To reduce the implementation cost employing HCB in DC systems, this paper presents an integrated multi-port hybrid DC circuit breaker (IMP-HCB), which consists of an ...
Jinghan He, Yiping Luo, Meng Li, Guomin Luo, Liu Han, Teng Feng   +5 more
openaire   +1 more source

Modular Hybrid DC Circuit Breaker for Medium-Voltage DC System

2020 IEEE Energy Conversion Congress and Exposition (ECCE), 2020
This paper proposes a new modular hybrid DC Circuit Breaker (DCCB) for Medium-Voltage DC (MVDC) grid system. The proposed DCCB has mechanical switch which is composed of Vacuum Interrupter (VI) and Permanent Magnetic Actuator (PMA). And commutation path which is composed of two IGBTs and diodes is connected to the VI in parallel.
Dong-Uk Kim, Sungmin Kim
openaire   +1 more source