CN109946560A - 光伏逆变器的电流互感器极性自适应方法 - Google Patents
光伏逆变器的电流互感器极性自适应方法 Download PDFInfo
- Publication number
- CN109946560A CN109946560A CN201910193410.5A CN201910193410A CN109946560A CN 109946560 A CN109946560 A CN 109946560A CN 201910193410 A CN201910193410 A CN 201910193410A CN 109946560 A CN109946560 A CN 109946560A
- Authority
- CN
- China
- Prior art keywords
- current transformer
- photovoltaic
- current
- converter
- power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000003044 adaptive effect Effects 0.000 title claims abstract description 17
- 238000009413 insulation Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 230000000737 periodic effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
Landscapes
- Supply And Distribution Of Alternating Current (AREA)
- Inverter Devices (AREA)
Abstract
Description
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910193410.5A CN109946560B (zh) | 2019-03-14 | 2019-03-14 | 光伏逆变器的电流互感器极性自适应方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910193410.5A CN109946560B (zh) | 2019-03-14 | 2019-03-14 | 光伏逆变器的电流互感器极性自适应方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109946560A true CN109946560A (zh) | 2019-06-28 |
| CN109946560B CN109946560B (zh) | 2021-04-30 |
Family
ID=67009938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910193410.5A Active CN109946560B (zh) | 2019-03-14 | 2019-03-14 | 光伏逆变器的电流互感器极性自适应方法 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109946560B (zh) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112180313A (zh) * | 2020-09-02 | 2021-01-05 | 深圳市首航新能源股份有限公司 | 一种电流互感器自动校正方法、控制装置及储能设备 |
| CN113078676A (zh) * | 2021-04-02 | 2021-07-06 | 新风光电子科技股份有限公司 | 电流传感器方向与电流环解耦方向互锁机制的控制方法 |
| CN117424280A (zh) * | 2023-10-27 | 2024-01-19 | 苏州海鹏科技有限公司 | 三相光伏储能逆变器的电流传感器自适应调节方法 |
| CN120370222A (zh) * | 2025-06-26 | 2025-07-25 | 锦浪科技股份有限公司 | 一种逆变器系统的ct极性自检方法 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000232779A (ja) * | 1999-02-10 | 2000-08-22 | Nas Toa Co Ltd | ダイオード不良検出装置 |
| CN101957420A (zh) * | 2010-09-19 | 2011-01-26 | 江苏省电力公司仪征市供电公司 | 一种开关柜互感器极性测试装置 |
| CN108107314A (zh) * | 2017-12-14 | 2018-06-01 | 国家电网公司 | 一种电流互感器极性测试装置 |
| CN109001587A (zh) * | 2018-07-04 | 2018-12-14 | 云南电网有限责任公司 | 利用励磁涌流校验主变高压侧ct极性的方法 |
-
2019
- 2019-03-14 CN CN201910193410.5A patent/CN109946560B/zh active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000232779A (ja) * | 1999-02-10 | 2000-08-22 | Nas Toa Co Ltd | ダイオード不良検出装置 |
| CN101957420A (zh) * | 2010-09-19 | 2011-01-26 | 江苏省电力公司仪征市供电公司 | 一种开关柜互感器极性测试装置 |
| CN108107314A (zh) * | 2017-12-14 | 2018-06-01 | 国家电网公司 | 一种电流互感器极性测试装置 |
| CN109001587A (zh) * | 2018-07-04 | 2018-12-14 | 云南电网有限责任公司 | 利用励磁涌流校验主变高压侧ct极性的方法 |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112180313A (zh) * | 2020-09-02 | 2021-01-05 | 深圳市首航新能源股份有限公司 | 一种电流互感器自动校正方法、控制装置及储能设备 |
| CN112180313B (zh) * | 2020-09-02 | 2023-11-10 | 深圳市首航新能源股份有限公司 | 一种电流互感器自动校正方法、控制装置及储能设备 |
| CN113078676A (zh) * | 2021-04-02 | 2021-07-06 | 新风光电子科技股份有限公司 | 电流传感器方向与电流环解耦方向互锁机制的控制方法 |
| CN117424280A (zh) * | 2023-10-27 | 2024-01-19 | 苏州海鹏科技有限公司 | 三相光伏储能逆变器的电流传感器自适应调节方法 |
| CN120370222A (zh) * | 2025-06-26 | 2025-07-25 | 锦浪科技股份有限公司 | 一种逆变器系统的ct极性自检方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109946560B (zh) | 2021-04-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103078316B (zh) | 一种电网电压扰动发生装置及其控制方法 | |
| Hossain et al. | Analysis and mitigation of power quality issues in distributed generation systems using custom power devices | |
| Zhao et al. | Power system support functions provided by smart inverters—A review | |
| CN101257209B (zh) | 光伏并网发电系统的孤岛运行检测方法 | |
| Farhoodnea et al. | Power quality impacts of high-penetration electric vehicle stations and renewable energy-based generators on power distribution systems | |
| Anzalchi et al. | High-penetration grid-tied photovoltaics: Analysis of power quality and feeder voltage profile | |
| CN103296700B (zh) | 微电网谐波和无功电流的无互联线补偿控制的方法 | |
| CN109946560A (zh) | 光伏逆变器的电流互感器极性自适应方法 | |
| CN105717399B (zh) | 电网适应性测试装置 | |
| CN102222932A (zh) | 一种基于负载特性的孤岛检测装置及方法 | |
| CN102170142A (zh) | 一种光伏逆变器的低电压穿越方法 | |
| CN202033465U (zh) | 用于光伏并网逆变器测试的电网模拟电封闭测试系统 | |
| CN107591825A (zh) | 一种补偿三相电网不平衡的微电网装置及方法 | |
| CN102496950A (zh) | 一种高压级联变频器功率单元并网回馈装置 | |
| Mexis et al. | Coordinated control of three single–phase BESS inverters using local measurements to mitigate voltage unbalance | |
| CN205665322U (zh) | 电网适应性测试装置 | |
| Barragan et al. | Operational benefits of multiterminal DC-links in active distribution networks | |
| CN110311374A (zh) | 泛在电力物联网电能质量技术经济运行方法 | |
| CN104362759B (zh) | 一种配电网末级电能质量调控装置及调控方法 | |
| CN113595130B (zh) | 一种直流输电系统动态功率可控能力在线评估方法及系统 | |
| Shafad et al. | Harmonic distortion mitigation for multiple modes charging station via optimum passive filter design | |
| CN120335332A (zh) | 储能仿真系统以及基于仿真模型的分析方法 | |
| Bagheri et al. | Developments in voltage dip research and its applications, 2005–2015 | |
| CN107482664A (zh) | 一种孤岛交流电网系统强度评估方法及其系统 | |
| CN203119498U (zh) | 光伏逆变器控制系统 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221103 Address after: Floor 9, Keshida Industrial Park R&D Building, No.7 Road, Gaoxinyuan West District, Guangming New District, Shenzhen, Guangdong 518000 Patentee after: SHENZHEN KSTAR NEW ENERGY Co.,Ltd. Address before: 518000 rooms 401 and 402, 4th floor, building 1, software park, kejizhong 2nd Road, Gaoxin North District, Nanshan District, Shenzhen City, Guangdong Province (office only) Patentee before: SHENZHEN KSTAR SCIENCE AND TECHNOLOGY Co.,Ltd. Patentee before: SHENZHEN KSTAR NEW ENERGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |