[1]周廷冬,徐永海. 配电网电力电子变压器故障清除及保护技术综述[J].控制与信息技术,2017,(04):1-6.[doi:10.13889/j.issn.2095-3631.2017.04.400]
 ZHOU Tingdong,XU Yonghai. A Survey on Fault Clearing and Protection Technology of Power Electronic Transformer in Distribution Network[J].High Power Converter Technology,2017,(04):1-6.[doi:10.13889/j.issn.2095-3631.2017.04.400]
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 配电网电力电子变压器故障清除及保护技术综述()
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《控制与信息技术》[ISSN:2095-3631/CN:43-1486/U]

卷:
期数:
2017年04期
页码:
1-6
栏目:
出版日期:
2017-08-05

文章信息/Info

Title:
 A Survey on Fault Clearing and Protection Technology of Power Electronic Transformer in Distribution Network
文章编号:
2095-3631(2017)04-0000-06
作者:
 周廷冬徐永海
 (华北电力大学 新能源电力系统国家重点实验室,北京 102206)
Author(s):
 ZHOU Tingdong XU Yonghai
 (State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources,North China Electric Power University, Beijing 102206, China)
关键词:
 电力电子变压器故障过电压过电流保护
Keywords:
 power electronic transformer fault overvoltage overcurrent protection
分类号:
TM41
DOI:
10.13889/j.issn.2095-3631.2017.04.400
文献标志码:
A
摘要:
 对电力电子变压器(PET)配置保护系统是保证其在工程应用中安全稳定运行的重要措施。文章以AC-DC-AC型PET为例,简单介绍了其输入级、隔离级和输出级通常采用的拓扑结构,包括模块化多电平变流器、双有源桥、三相逆变器等,对其在运行中可能发生的故障进行了归纳,对相应的故障清除及保护技术进行了分析与讨论;然后对配电网中经常发生的故障进行了分类总结,介绍了故障发生时PET所承受的电应力以及相应的保护配置策略。最后,对PET故障清除及保护技术方面亟待解决的问题进行了分析,给出了今后的重点研究方向。
Abstract:
 Protection system for power electronic transformer is an important measure to ensure its safe and stable operation in engineering application. Firstly, taking the AC-DC-AC type power electronic transformer as an example, this paper pointed out its topology structures of the input stage, the isolation stage and the output stage, including the modular multilevel converter, dual active bridge and the three-phase inverter. The possible faults of power electronic transformer in operation were summarized, and the corresponding fault clearing and protection technologies were analyzed and discussed. Then the faults in distribution network were classified and summarized, and the electrical stress and corresponding protection configuration of power electronic transformer were pointed out when the fault occurred. Finally, the problems to be solved urgently in the field of power electronic transformer fault clearing and protection technologies were analyzed, and the future key research topics were proposed.

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备注/Memo

备注/Memo:
 收稿日期:2017-07-10
作者简介:周廷冬(1989-),男,硕士研究生,研究方向为电力电子变压器保护与控制。
更新日期/Last Update: 2017-08-09