JP7437812B2 - アーク検出装置、パワーコンディショナ、屋内配線システム、ブレーカ、太陽光パネル、太陽光パネル付属モジュール及び接続箱 - Google Patents
アーク検出装置、パワーコンディショナ、屋内配線システム、ブレーカ、太陽光パネル、太陽光パネル付属モジュール及び接続箱 Download PDFInfo
- Publication number
- JP7437812B2 JP7437812B2 JP2022505982A JP2022505982A JP7437812B2 JP 7437812 B2 JP7437812 B2 JP 7437812B2 JP 2022505982 A JP2022505982 A JP 2022505982A JP 2022505982 A JP2022505982 A JP 2022505982A JP 7437812 B2 JP7437812 B2 JP 7437812B2
- Authority
- JP
- Japan
- Prior art keywords
- wiring
- arc
- branch
- devices
- 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.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims description 103
- 230000005611 electricity Effects 0.000 claims description 2
- 238000001228 spectrum Methods 0.000 description 18
- 238000010586 diagram Methods 0.000 description 17
- 230000004048 modification Effects 0.000 description 15
- 238000012986 modification Methods 0.000 description 15
- 238000010248 power generation Methods 0.000 description 14
- 239000003990 capacitor Substances 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H1/00—Details of emergency protective circuit arrangements
- H02H1/0007—Details of emergency protective circuit arrangements concerning the detecting means
- H02H1/0015—Using arc detectors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
- H02S50/10—Testing of PV devices, e.g. of PV modules or single PV cells
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/14—Circuits therefor, e.g. for generating test voltages, sensing circuits
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/40—Testing power supplies
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/26—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents
- H02H3/32—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
- H02H3/33—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/20—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for electronic equipment
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/268—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured for dc systems
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
- H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
- H02H7/1213—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for DC-DC converters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Photovoltaic Devices (AREA)
- Inverter Devices (AREA)
Description
図1は、実施の形態1に係る太陽光発電システム1aの一例を示す構成図である。
実施の形態1の変形例1では、電流検出部が分岐前経路である経路110a又は120aを流れる電流を検出する例について説明する。
実施の形態1の変形例2では、電流検出部が分岐後経路である経路110b、110c、110d、120b、120c又は120dを流れる電流を検出する例について説明する。
実施の形態1では、アーク検出装置が太陽光発電システム(具体的にはパワコン)に備えられる例について説明したが、アーク検出装置は、屋内配線システムに備えられてもよい。これについて、図5を用いて説明する。
以上、実施の形態に係るアーク検出装置等について説明したが、本発明は、上記実施の形態に限定されるものではない。
2 屋内配線システム
10、10a、10b、10c アーク検出装置
11 低インピーダンス回路
20、20a、20b、20c 電流検出部
21 磁気コア
30 アーク判定部
41、310 太陽光パネル
42 AC/DCコンバータ
43 系統電源
51、52、53、61 DC/DCコンバータ
54、55、56 蓄電池
57、58、59 照明器具
60a、60b、60c、500 パワコン
62 インバータ
110、111、120、121、600 配線
110a、110b、110c、110d、120a、120b、120c、120d 経路
300 太陽電池アレイ
320 太陽光パネル付属モジュール
400 接続箱
410 ブレーカ
A1、A2、A3、A4、B1、B2、B3、B4、C1、C2、C3、C4 点
N1、N2 ノード
N3、N4 分岐点
Claims (7)
- 直流電源の正極と複数の機器とを接続し、前記直流電源の正極から前記複数の機器のそれぞれへと分岐している第1配線上の第1ノードと、前記直流電源の負極と前記複数の機器とを接続し前記直流電源の負極から前記複数の機器のそれぞれへと分岐している第2配線上の第2ノードとの間に接続され、前記複数の機器のそれぞれよりもインピーダンスが低い低インピーダンス回路と、
前記低インピーダンス回路を流れる電流を検出する1つの電流検出部と、
前記電流検出部により検出された電流のみに基づいて、前記第1配線又は前記第2配線におけるアークの発生を判定するアーク判定部と、を備え、
前記第1配線は、前記第1配線における前記直流電源の正極から前記複数の機器のそれぞれへの分岐点と前記複数の機器のそれぞれとを結ぶ複数の第1分岐後経路を有し、
前記第2配線は、前記第2配線における前記直流電源の負極から前記複数の機器のそれぞれへの分岐点と前記複数の機器のそれぞれとを結ぶ複数の第2分岐後経路を有し、
前記電流検出部は、前記複数の機器のそれぞれ毎に、対応する前記第1分岐後経路及び前記第2分岐後経路のうちの一方の経路が貫通する磁気コアを有し、前記磁気コアに発生する磁界に応じて、前記複数の機器のそれぞれ毎に対応する前記一方の経路を流れる電流を検出することにより、前記低インピーダンス回路を流れる電流を検出し、
前記複数の機器のそれぞれ毎に対応する前記一方の経路には、少なくとも1つの前記第1分岐後経路と、少なくとも1つの前記第2分岐後経路とが含まれる
アーク検出装置。 - 請求項1に記載のアーク検出装置と、
前記直流電源の出力電力を変換する変換器と、を備える
パワーコンディショナ。 - 請求項1に記載のアーク検出装置と、
前記第1配線と、
前記第2配線と、
屋内に設置された前記複数の機器と、を備える
屋内配線システム。 - 請求項1に記載のアーク検出装置を備え、
アークが発生したと判定された場合に、前記第1配線及び前記第2配線に流れる電流を遮断する
ブレーカ。 - 請求項1に記載のアーク検出装置を備え、
太陽光により発電する
太陽光パネル。 - 請求項1に記載のアーク検出装置を備え、
太陽光パネルから出力される信号の変換を行う
太陽光パネル付属モジュール。 - 請求項1に記載のアーク検出装置を備え、
太陽光パネルとパワーコンディショナとを接続する
接続箱。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020041701 | 2020-03-11 | ||
JP2020041701 | 2020-03-11 | ||
PCT/JP2021/008291 WO2021182259A1 (ja) | 2020-03-11 | 2021-03-03 | アーク検出装置、パワーコンディショナ、屋内配線システム、ブレーカ、太陽光パネル、太陽光パネル付属モジュール及び接続箱 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2021182259A1 JPWO2021182259A1 (ja) | 2021-09-16 |
JP7437812B2 true JP7437812B2 (ja) | 2024-02-26 |
Family
ID=77671641
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2022505982A Active JP7437812B2 (ja) | 2020-03-11 | 2021-03-03 | アーク検出装置、パワーコンディショナ、屋内配線システム、ブレーカ、太陽光パネル、太陽光パネル付属モジュール及び接続箱 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11923670B2 (ja) |
EP (1) | EP4120495A4 (ja) |
JP (1) | JP7437812B2 (ja) |
CN (1) | CN115298555A (ja) |
WO (1) | WO2021182259A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20230094178A1 (en) * | 2020-03-11 | 2023-03-30 | Panasonic Intellectual Property Management Co., Ltd. | Anomaly detection device, anomaly detection method, recording medium, indoor wiring system, solar inverter, circuit breaker, solar panel, solar panel attachment module, and junction box |
JP7357228B2 (ja) * | 2020-03-11 | 2023-10-06 | パナソニックIpマネジメント株式会社 | アーク検出装置、パワーコンディショナ、屋内配線システム、ブレーカ、太陽光パネル、太陽光パネル付属モジュール及び接続箱 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010231456A (ja) | 2009-03-26 | 2010-10-14 | Panasonic Electric Works Co Ltd | 電源システム |
JP2011010991A (ja) | 2009-07-06 | 2011-01-20 | Sharp Corp | 空気清浄機 |
WO2011040325A1 (ja) | 2009-09-30 | 2011-04-07 | 東芝ライテック株式会社 | 直流電源給電システム |
WO2011065375A1 (ja) | 2009-11-25 | 2011-06-03 | シャープ株式会社 | 電力変換装置、発電システム、及び充放電制御方法 |
WO2017154274A1 (ja) | 2016-03-07 | 2017-09-14 | オムロン株式会社 | アーク検出装置 |
JP2017161240A (ja) | 2016-03-07 | 2017-09-14 | オムロン株式会社 | アーク検出装置 |
US20180191145A1 (en) | 2016-08-19 | 2018-07-05 | Gd Midea Air-Conditioning Equipment Co., Ltd. | Household appliance and apparatus and method for detecting arc fault in the same |
JP2019184480A (ja) | 2018-04-13 | 2019-10-24 | 日東工業株式会社 | 放電検出構造及び放電検出システム |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5997812U (ja) | 1982-12-21 | 1984-07-03 | 三菱マテリアル株式会社 | 穴明け加工用工具 |
JP2008042999A (ja) | 2006-08-02 | 2008-02-21 | Matsushita Electric Works Ltd | 電源供給装置 |
JP5419579B2 (ja) | 2009-05-28 | 2014-02-19 | 京セラ株式会社 | アーク検出手段とそれを用いた制御手段及び連絡手段 |
EP2325970A3 (en) * | 2009-11-19 | 2015-01-21 | Samsung SDI Co., Ltd. | Energy management system and grid-connected energy storage system including the energy management system |
SI23360A (sl) * | 2010-04-07 | 2011-10-28 | Eti Elektroelement D.D. | Obločno ločilno stikalo |
JP6000193B2 (ja) | 2013-06-14 | 2016-09-28 | 三菱電機株式会社 | Dcアーク検知装置 |
JP6299507B2 (ja) * | 2014-07-29 | 2018-03-28 | オムロン株式会社 | 太陽光発電システムの保護装置および太陽光発電システムの保護方法 |
US10348094B2 (en) | 2015-01-28 | 2019-07-09 | Abb Schweiz Ag | Energy panel arrangement shutdown |
DE112016001053T5 (de) | 2015-04-22 | 2018-02-15 | Murata Manufacturing Co., Ltd. | Energiemanagementsystem |
US11277000B2 (en) | 2016-06-21 | 2022-03-15 | Mitsubishi Electric Corporation | DC electrical circuit protection apparatus and ARC detection method |
JP6673237B2 (ja) * | 2017-01-23 | 2020-03-25 | オムロン株式会社 | アーク検出装置 |
JP2019158673A (ja) * | 2018-03-14 | 2019-09-19 | オムロン株式会社 | アーク検出装置およびその制御方法、並びに制御プログラム |
EP3779479B1 (en) | 2018-04-13 | 2022-10-05 | Nitto Kogyo Corporation | Distribution board |
JP7108859B2 (ja) * | 2018-04-25 | 2022-07-29 | パナソニックIpマネジメント株式会社 | アーク検出回路、ブレーカ、パワーコンディショナ、太陽光パネル、太陽光パネル付属モジュールおよび接続箱 |
EP4120496A4 (en) * | 2020-03-11 | 2023-09-20 | Panasonic Intellectual Property Management Co., Ltd. | ARC DETECTION DEVICE, POWER CONDITIONER, INTERIOR WIRING SYSTEM, CIRCUIT BREAKER, SOLAR PANEL, SOLAR PANEL ATTACHED MODULE AND CONNECTION BOX |
-
2021
- 2021-03-03 JP JP2022505982A patent/JP7437812B2/ja active Active
- 2021-03-03 US US17/908,317 patent/US11923670B2/en active Active
- 2021-03-03 WO PCT/JP2021/008291 patent/WO2021182259A1/ja unknown
- 2021-03-03 EP EP21767285.6A patent/EP4120495A4/en active Pending
- 2021-03-03 CN CN202180018875.2A patent/CN115298555A/zh active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010231456A (ja) | 2009-03-26 | 2010-10-14 | Panasonic Electric Works Co Ltd | 電源システム |
JP2011010991A (ja) | 2009-07-06 | 2011-01-20 | Sharp Corp | 空気清浄機 |
WO2011040325A1 (ja) | 2009-09-30 | 2011-04-07 | 東芝ライテック株式会社 | 直流電源給電システム |
WO2011065375A1 (ja) | 2009-11-25 | 2011-06-03 | シャープ株式会社 | 電力変換装置、発電システム、及び充放電制御方法 |
WO2017154274A1 (ja) | 2016-03-07 | 2017-09-14 | オムロン株式会社 | アーク検出装置 |
JP2017161240A (ja) | 2016-03-07 | 2017-09-14 | オムロン株式会社 | アーク検出装置 |
US20180191145A1 (en) | 2016-08-19 | 2018-07-05 | Gd Midea Air-Conditioning Equipment Co., Ltd. | Household appliance and apparatus and method for detecting arc fault in the same |
JP2019184480A (ja) | 2018-04-13 | 2019-10-24 | 日東工業株式会社 | 放電検出構造及び放電検出システム |
Also Published As
Publication number | Publication date |
---|---|
CN115298555A (zh) | 2022-11-04 |
US20230095385A1 (en) | 2023-03-30 |
US11923670B2 (en) | 2024-03-05 |
JPWO2021182259A1 (ja) | 2021-09-16 |
WO2021182259A1 (ja) | 2021-09-16 |
EP4120495A4 (en) | 2023-09-13 |
EP4120495A1 (en) | 2023-01-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2021182263A1 (ja) | アーク検出装置、パワーコンディショナ、屋内配線システム、ブレーカ、太陽光パネル、太陽光パネル付属モジュール及び接続箱 | |
CN109600115B (zh) | 在串联型的光伏发电系统中定位故障的方法 | |
JP7437812B2 (ja) | アーク検出装置、パワーコンディショナ、屋内配線システム、ブレーカ、太陽光パネル、太陽光パネル付属モジュール及び接続箱 | |
US20090315404A1 (en) | Solar power plant | |
JP2009021341A (ja) | 太陽電池アレイ故障診断方法 | |
WO2017175535A1 (ja) | 地絡検出装置およびその制御方法、制御プログラム | |
KR102080811B1 (ko) | 화재 복합 감지 기능을 구비한 태양광 접속반 및 이의 제어 방법 | |
JP7108859B2 (ja) | アーク検出回路、ブレーカ、パワーコンディショナ、太陽光パネル、太陽光パネル付属モジュールおよび接続箱 | |
JP2020139925A (ja) | アーク検出装置、ブレーカ、パワーコンディショナ、太陽光パネル、太陽光パネル付属モジュールおよび接続箱 | |
EP3352315B1 (en) | Arc detection apparatus | |
JP5745096B2 (ja) | 故障検出装置及びその検出方法 | |
US10608425B2 (en) | Alternating current optimal yield control within a multi-power stack inverter | |
JP7357228B2 (ja) | アーク検出装置、パワーコンディショナ、屋内配線システム、ブレーカ、太陽光パネル、太陽光パネル付属モジュール及び接続箱 | |
JP7304532B2 (ja) | アーク検出装置、屋内電力線システム、太陽光発電システム及び蓄電池システム | |
JP7357249B2 (ja) | 異常検知装置、異常検知方法、プログラム、屋内配線システム、パワーコンディショナ、ブレーカ、太陽光パネル、太陽光パネル付属モジュール及び接続箱 | |
Sarkar et al. | Signature analysis of electrical faults in standalone PV systems with storage | |
CN118444105A (zh) | 拉弧检测装置、拉弧检测方法及光伏发电系统 | |
JP2022150120A (ja) | 太陽光発電システムおよび太陽光発電システムの地絡検知方法 | |
CN118549766A (zh) | 拉弧检测装置、拉弧检测方法及光伏发电系统 | |
JPWO2020065879A1 (ja) | 電力変換装置および発電システム | |
JP2017192177A (ja) | 電力変換装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20220701 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20230704 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230801 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20231010 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20231207 |
|
A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20231219 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20240123 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20240205 |
|
R151 | Written notification of patent or utility model registration |
Ref document number: 7437812 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R151 |