CN109633283B - 母线电容容值监测方法、装置及终端设备 - Google Patents
母线电容容值监测方法、装置及终端设备 Download PDFInfo
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- CN109633283B CN109633283B CN201910099153.9A CN201910099153A CN109633283B CN 109633283 B CN109633283 B CN 109633283B CN 201910099153 A CN201910099153 A CN 201910099153A CN 109633283 B CN109633283 B CN 109633283B
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- 238000000034 method Methods 0.000 title claims abstract description 59
- 238000012544 monitoring process Methods 0.000 title claims abstract description 31
- 239000003990 capacitor Substances 0.000 claims abstract description 62
- 238000007599 discharging Methods 0.000 claims abstract description 17
- 238000004590 computer program Methods 0.000 claims description 22
- 230000008569 process Effects 0.000 claims description 21
- 238000005070 sampling Methods 0.000 claims description 14
- 238000012545 processing Methods 0.000 claims description 8
- 238000012806 monitoring device Methods 0.000 claims description 4
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- 238000010248 power generation Methods 0.000 abstract description 10
- 230000006870 function Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000004364 calculation method Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
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- 238000004891 communication Methods 0.000 description 2
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- 238000004422 calculation algorithm Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/26—Measuring inductance or capacitance; Measuring quality factor, e.g. by using the resonance method; Measuring loss factor; Measuring dielectric constants ; Measuring impedance or related variables
- G01R27/2605—Measuring capacitance
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- H02J3/383—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Measurement Of Resistance Or Impedance (AREA)
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CN109633283A CN109633283A (zh) | 2019-04-16 |
CN109633283B true CN109633283B (zh) | 2021-10-01 |
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Families Citing this family (3)
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CN112798869B (zh) * | 2019-11-13 | 2023-01-24 | 南京国电南自新能源科技有限公司 | 一种单元串联型变流器的电容检测方法及*** |
CN113447720B (zh) * | 2020-03-27 | 2022-05-13 | 比亚迪股份有限公司 | 整车y电容检测***、方法及新能源车辆 |
CN111579877B (zh) * | 2020-04-30 | 2022-11-18 | 厦门科华数能科技有限公司 | 寄生电容检测电路及检测方法 |
Citations (1)
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CN108169571A (zh) * | 2016-12-07 | 2018-06-15 | 台达电子企业管理(上海)有限公司 | 监测直流母线电容容值的方法和装置 |
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US4216424A (en) * | 1978-10-30 | 1980-08-05 | Vette Carl W | Method and apparatus for testing electrolytic capacitors |
DE10053279A1 (de) * | 2000-10-27 | 2002-05-08 | Philips Corp Intellectual Pty | Verfahren zur Bestimmung der Ausgangskapazität einer Spannungsversorgungsvorrichtung |
CN101826741B (zh) * | 2010-03-11 | 2012-07-04 | 哈尔滨工业大学深圳研究生院 | 太阳能电池充电***及控制方法 |
CN102130622A (zh) * | 2011-04-07 | 2011-07-20 | 上海威特力焊接设备制造股份有限公司 | 一种高效率光伏逆变器 |
CN202260487U (zh) * | 2011-09-13 | 2012-05-30 | 辽宁力迅风电控制***有限公司 | 单相光伏并网发电***的控制装置 |
CN202886481U (zh) * | 2012-10-12 | 2013-04-17 | 无锡上能新能源有限公司 | 太阳能逆变器中的电容容量检测电路 |
CN103236787B (zh) * | 2013-04-12 | 2015-07-08 | 矽力杰半导体技术(杭州)有限公司 | 一种电容放电方法及放电电路 |
CN103546045B (zh) * | 2013-10-28 | 2016-04-06 | 中国东方电气集团有限公司 | 一种三相不控整流装置直流电容容值计算方法 |
CN103630755B (zh) * | 2013-11-27 | 2016-09-14 | 北京天诚同创电气有限公司 | 变流器直流母线支撑电容检测方法 |
CN104716814B (zh) * | 2013-12-13 | 2018-10-26 | 光宝电子(广州)有限公司 | 电源供应***及其控制方法 |
CN104281192B (zh) * | 2014-09-29 | 2016-06-22 | 许继电气股份有限公司 | 一种光伏逆变器有功调度方法 |
CN105486931A (zh) * | 2014-10-09 | 2016-04-13 | 艾默生网络能源有限公司 | 一种监测母线电容的实际容量的方法及装置 |
CN104330741B (zh) * | 2014-10-31 | 2015-11-18 | 漳州科华技术有限责任公司 | 基于强制均充的ups***电池回路在线测试装置及方法 |
CN104467077A (zh) * | 2014-11-14 | 2015-03-25 | 合肥正美电源科技有限公司 | 蓄电池充电控制方法 |
CN104333213B (zh) * | 2014-11-25 | 2018-04-10 | 阳光电源股份有限公司 | 一种pv阵列输出过压时的保护方法、设备及*** |
CN105763078B (zh) * | 2014-12-18 | 2019-07-05 | 台达电子工业股份有限公司 | 开关电源及用于开关电源的母线电容电压控制方法 |
CN204462255U (zh) * | 2015-02-10 | 2015-07-08 | 深圳市鼎阳科技有限公司 | 电容容量测量装置 |
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CN108169571A (zh) * | 2016-12-07 | 2018-06-15 | 台达电子企业管理(上海)有限公司 | 监测直流母线电容容值的方法和装置 |
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"Boost_PFC变换器直流母线电容等效串联电阻和容值的一种在线监测方法";姚凯等;《中国电机工程学报》;20070505;第37卷(第9期);第2677-2686页 * |
"软开关单相光伏并网逆变器原理及并网实验";陈烨楠等;《电源学报》;20180930;第16卷(第5期);第31-37页 * |
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