基本信息:
- 专利标题： 一种直流线路故障重启方法、VSC控制方法与装置
- 专利标题（英）：DC circuit fault re-starting method and VSC control method and device
- 申请号：CN201910607636.5 申请日：2019-07-04
- 公开(公告)号：CN110323774A 公开(公告)日：2019-10-11
- 发明人： 彭忠 , 韩伟 , 李泰 , 马伟东 , 党一奇 , 宋闯 , 刘超 , 郑坤承 , 牛翀 , 曹森 , 荆雪记 , 苏进国 , 胡永昌 , 赵静 , 李艳梅 , 陈晓民 , 庞科伟
- 申请人： 许继电气股份有限公司 , 许继集团有限公司 , 国网河南省电力公司电力科学研究院
- 申请人地址： 河南省许昌市许继大道1298号
- 专利权人： 许继电气股份有限公司,许继集团有限公司,国网河南省电力公司电力科学研究院
- 当前专利权人： 许继电气股份有限公司,许继集团有限公司,国网河南省电力公司电力科学研究院
- 当前专利权人地址： 河南省许昌市许继大道1298号
- 代理机构： 郑州睿信知识产权代理有限公司
- 代理人： 吴敏
- 主分类号： H02J3/36
- IPC分类号： H02J3/36 ; H02H7/26
The invention relates to a DC circuit fault re-starting method and a VSC control method and device, and belongs to the technical field of DC power transmission. The re-starting method comprises the steps of detecting a pole bus voltage when a fault occurs in a DC circuit and at a period of phase shift of circuit protection of a converter station; forcing that maximum current of a VSC valve side ofan inverter station does not exceed zero when the pole voltage is smaller than a set value until the de-ionization process of DC arc on a fault line is ended, wherein the pole bus voltage is larger than or equal to the set value; and controlling the converter station to enter to a re-starting stage after the de-ionization process of the DC arc on the fault line is ended. The pole bus voltage is detected at the period of phase shift of the circuit protection of the converter station, it is shows that the pole bus voltage is in an undervoltage state when the pole bus voltage is smaller than theset value, at the moment, power flow of VSC is prevented from returning to aggravate the line fault by forcing the maximum current of the VSC valve side not to exceed zero, and rapid recovery of thesystem stability is facilitated.
公开/授权文献:
- CN110323774B 一种直流线路故障重启方法、VSC控制方法与装置 公开/授权日：2020-11-13
IPC结构图谱:
| H | 电学 |
| --H02 | 发电、变电或配电 |
| ----H02J | 供电或配电的电路装置或系统；电能存储系统 |
| ------H02J3/00 | 交流干线或交流配电网络的电路装置 |
| --------H02J3/36 | .通过高压直流链路在交流网络之间传递电力的装置 |