JP2012528556A - 入力側emcフィルタを備えるインバータ用の過電圧保護 - Google Patents
入力側emcフィルタを備えるインバータ用の過電圧保護 Download PDFInfo
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- 230000001012 protector Effects 0.000 description 1
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- 230000001052 transient effect Effects 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
-
- 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
- H02H7/122—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 inverters, i.e. dc/ac converters
- H02H7/1222—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 inverters, i.e. dc/ac converters responsive to abnormalities in the input circuit, e.g. transients in the DC input
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- 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
- H02H7/122—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 inverters, i.e. dc/ac converters
-
- 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
- H02H3/02—Details
- H02H3/04—Details with warning or supervision in addition to disconnection, e.g. for indicating that protective apparatus has functioned
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/042—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage comprising means to limit the absorbed power or indicate damaged over-voltage protection device
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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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
- Protection Of Static Devices (AREA)
- Inverter Devices (AREA)
Abstract
【選択図】図1
Description
新規の過電圧保護装置では、アースに対する過電圧を放出するための過電圧アレスタが、直流電圧源からみてEMCフィルタの後方で、インバータの電流供給線路に接続されている。過電圧アレスタは、一時的な過電圧によるEMCフィルタの励振に起因する過電圧も放出することができ、インバータをこの過電圧からも保護することができる。
この別の過電圧アレスタでは、これがアースに対してだけでなく、線路もしくは給電線の間でも作用するのが好ましい。
以下、添付図面を参照し、実施形態に基づき詳細に説明する。
2 ストリング
3 太陽電池モジュール
4 交流電源網
5 インバータ
6 直流電圧入力段
7 EMCフィルタ
8 給電線
9 給電線
10 給電線
11 給電線
12 ノイズ除去インダクタンス
13 ノイズ除去キャパシタンス
14 ノイズ除去キャパシタンス
15 直流電圧源
16 過電圧アレスタ
17 過電圧アレスタ
18 一次保護部
19 二次保護部
20 過電圧アレスタ
21 過電圧アレスタ
22 線路
23 線路
24 線路
25 バッファキャパシタンス
26 バリスタ
27 溶融ヒューズ
28 熱的結合部
29 監視装置
30 電源リレー
31 過電流ヒューズ
32 スイッチ
33 スイッチ
34 消弧コンデンサ
35 DC/DC変換器
Claims (15)
- 電気エネルギーを直流電圧源(15)からとりわけ交流電源網(4)に給電するためのインバータ(5)用の過電圧保護装置であって、少なくとも2つの電流供給線路(22から24)と、ノイズ除去キャパシタンス(13,14)およびノイズ除去インダクタンス(12)を含むEMCフィルタ(7)を有する直流電圧入力段(6)とを備え、過電圧アレスタ(20,21)が過電圧をアースに対して放出するために設けられている過電圧保護装置において、
過電圧アレスタ(20,21)は、直流電圧源(15)からみてEMCフィルタ(7)の後方で前記線路(22から24)に接続されている、ことを特徴とする過電圧保護装置。 - 前記直流電圧入力段(6)では、前記直流電圧源(15)からみて前記過電圧アレスタ(20,21)の後方でバッファキャパシタンス(25)が前記線路(22から24)の間に接続されており、前記過電圧アレスタ(20,21)は、前記線路(22から24)とアースとの間にだけ接続されている、ことを特徴とする請求項1に記載の過電圧保護装置。
- 別の過電圧アレスタ(16,17)が、前記直流電圧源(15)からみてEMCフィルタ(7)の前方で前記線路(22から24)に接続されているか、または前記直流電圧源(15)の一部から前記線路(22から24)への給電線(8から11)に接続されている、ことを特徴とする請求項1または2に記載の過電圧保護装置。
- 前記別の過電圧アレスタ(16,17)は、前記直流電圧源(15)またはその一部とは空間的に離れて、前記インバータ(5)の個所で前記EMCフィルタ(7)の前方で前記線路(22から24)または前記給電線(8から11)に接続されている、ことを特徴とする請求項3に記載の過電圧保護装置。
- 前記別の過電圧アレスタ(16,17)は、前記インバータ(5)のハウジング内で前記線路(22から24)または給電線(8から11)に接続されている、ことを特徴とする請求項4に記載の過電圧保護装置。
- 前記別の過電圧アレスタ(16,17)は、一方では前記各線路(22から24)または前記各給電線(8から11)とアースとの間で作用し、他方では前記線路(22から24)の間または前記給電線(8から11)の間で作用する、ことを特徴とする請求項3から5までのいずれか一項に記載の過電圧保護装置。
- 前記別の過電圧アレスタ(16,17)のために差し込みスペースが設けられており、該差し込みスペースの占有が監視装置のスイッチによって問い合わされる、ことを特徴とする請求項3から6までのいずれか一項に記載の過電圧保護装置。
- 前記別の過電圧アレスタ(16,17)は、放出される過電圧がそれぞれの過電圧アレスタの持続的な変化を引き起こしている場合に前記スイッチを切り換える、ことを特徴とする請求項7に記載の過電圧保護装置。
- 前記別の過電圧アレスタ(16,17)はそれぞれ、並列の2つの放出経路を有しており、一方の放出経路にはバリスタが、他方の放出経路には自消性の溶融ヒューズが接続されており、
前記バリスタがあらかじめ規定された熱的負荷に曝された場合、スイッチが一方の放出経路を他方の放出経路に切り換え、所属のスイッチが切り換えられる、ことを特徴とする請求項8に記載の過電圧保護装置。 - とりわけ請求項1から9までのいずれか一項に記載の過電圧保護装置の過電圧アレスタ(20,21)の1つとしての過電圧アレスタ(20,21)において、
バリスタ(26)と該バリスタ(26)に熱的に結合した溶融ヒューズ(27)とからなる直列回路が設けられており、監視装置(29)が前記溶融ヒューズ(27)を介して降下する電圧を検知する、ことを特徴とする過電圧アレスタ。 - 前記監視装置(29)は、自立型のエネルギー供給部を有する、ことを特徴とする請求項10に記載の過電圧アレスタ。
- 前記溶融ヒューズ(27)は自消性ではない、ことを特徴とする請求項10または11に記載の過電圧アレスタ。
- 前記監視装置(29)は、特徴的電圧降下により識別された前記溶融ヒューズ(27)におけるアークを、スイッチ操作により消弧する、ことを特徴とする請求項10から12までのいずれか一項に記載の過電圧保護装置。
- 前記監視装置(29)は、電圧消去のために前記インバータ(5)のスイッチを操作する、ことを特徴とする請求項13に記載の過電圧アレスタを備える請求項1から9までのいずれか一項に記載の過電圧保護装置。
- 前記請求項1から14までのいずれか一項に記載の過電圧保護装置および/または過電圧アレスタ(20,21)を備える、複数のストリング(2)を含む光電池装置(1)から電気エネルギーを交流電源網(4)に給電するためのインバータ(5)。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP09161166.5A EP2276136B2 (de) | 2009-05-26 | 2009-05-26 | Überspannungsschutz für Wechselrichter mit eingangsseitigem EMV-Filter |
EP09161166.5 | 2009-05-26 | ||
PCT/EP2010/054922 WO2010136257A1 (de) | 2009-05-26 | 2010-04-15 | Überspannungsschutz für wechselrichter mit eingangsseitigem emv-filter |
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JP2012528556A true JP2012528556A (ja) | 2012-11-12 |
JP5517088B2 JP5517088B2 (ja) | 2014-06-11 |
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JP2012512273A Active JP5517088B2 (ja) | 2009-05-26 | 2010-04-15 | 入力側emcフィルタを備えるインバータ用の過電圧保護 |
Country Status (8)
Country | Link |
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US (1) | US8570692B2 (ja) |
EP (1) | EP2276136B2 (ja) |
JP (1) | JP5517088B2 (ja) |
KR (1) | KR101377146B1 (ja) |
CN (1) | CN102460882B (ja) |
CA (1) | CA2763436C (ja) |
ES (1) | ES2509142T5 (ja) |
WO (1) | WO2010136257A1 (ja) |
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EP2276136B2 (de) * | 2009-05-26 | 2018-04-04 | SMA Solar Technology AG | Überspannungsschutz für Wechselrichter mit eingangsseitigem EMV-Filter |
EP2296244B1 (de) * | 2009-08-06 | 2015-02-18 | SMA Solar Technology AG | Verfahren und Schaltungsanordnung zum Verbinden mindestens eines Strings einer Photovoltaikanlage mit einem Wechselrichter |
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- 2010-04-15 CN CN201080028580.5A patent/CN102460882B/zh active Active
- 2010-04-15 WO PCT/EP2010/054922 patent/WO2010136257A1/de active Application Filing
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EP0678961A1 (de) * | 1994-04-21 | 1995-10-25 | Felten & Guilleaume Austria Ag | Schaltung zum Erkennen und Anzeigen einer Unterbrechung einer Leitung |
JP2006109681A (ja) * | 2004-10-08 | 2006-04-20 | Otowa Denki Kogyo Kk | 避雷器 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2014155339A (ja) * | 2013-02-08 | 2014-08-25 | Shoden Corp | サージ防護装置 |
Also Published As
Publication number | Publication date |
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EP2276136B2 (de) | 2018-04-04 |
ES2509142T5 (es) | 2018-06-04 |
US8570692B2 (en) | 2013-10-29 |
EP2276136A1 (de) | 2011-01-19 |
CA2763436C (en) | 2014-12-23 |
ES2509142T3 (es) | 2014-10-17 |
EP2276136B1 (de) | 2014-07-30 |
CA2763436A1 (en) | 2010-12-02 |
AU2010252190A1 (en) | 2011-12-15 |
CN102460882B (zh) | 2014-08-27 |
CN102460882A (zh) | 2012-05-16 |
KR101377146B1 (ko) | 2014-03-24 |
WO2010136257A1 (de) | 2010-12-02 |
KR20120014596A (ko) | 2012-02-17 |
JP5517088B2 (ja) | 2014-06-11 |
US20120140363A1 (en) | 2012-06-07 |
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