JP2016208669A - 遮断装置 - Google Patents
遮断装置 Download PDFInfo
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- JP2016208669A JP2016208669A JP2015087808A JP2015087808A JP2016208669A JP 2016208669 A JP2016208669 A JP 2016208669A JP 2015087808 A JP2015087808 A JP 2015087808A JP 2015087808 A JP2015087808 A JP 2015087808A JP 2016208669 A JP2016208669 A JP 2016208669A
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- 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
- H02H3/16—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 fault current to earth, frame or mass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
- G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
- G01R15/183—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using transformers with a magnetic core
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16571—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing AC or DC current with one threshold, e.g. load current, over-current, surge current or fault current
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/165—Indicating that current or voltage is either above or below a predetermined value or within or outside a predetermined range of values
- G01R19/16566—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533
- G01R19/16576—Circuits and arrangements for comparing voltage or current with one or several thresholds and for indicating the result not covered by subgroups G01R19/16504, G01R19/16528, G01R19/16533 comparing DC or AC voltage with one threshold
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/18—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of DC into AC, e.g. with choppers
- G01R19/20—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using conversion of DC into AC, e.g. with choppers using transductors, i.e. a magnetic core transducer the saturation of which is cyclically reversed by an AC source on the secondary side
-
- 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/52—Testing for short-circuits, leakage current or ground faults
-
- 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
- H02H3/006—Calibration or setting of parameters
-
- 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
- H02H3/332—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 with means responsive to dc component in the fault current
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
- G01R15/04—Voltage dividers
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/0007—Frequency selective voltage or current level measuring
- G01R19/0015—Frequency selective voltage or current level measuring separating AC and DC
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
- Emergency Protection Circuit Devices (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
【解決手段】磁心10は、交流電源100と直流電源装置201との間をそれぞれ電気的に接続する一対の導電体90に電磁的に結合されている。励磁部30は、磁心10に巻き付けられた巻線20に交流の励磁電流を供給する。電流検出部40は巻線20に流れる電流の電流値を検出する。直流成分検出部50は電流検出部40によって検出された電流値から直流成分の大きさを検出する。一対の接点部70は一対の導電体90のそれぞれに電気的に接続されている。判定部60は、直流成分検出部50によって検出された直流成分の大きさが閾値を超えると、一対の接点部70をオフにする。また、判定部60は、交流電源100から直流電源装置201に交流電力が供給されていない給電停止状態では一対の接点部70をオフにする。
【選択図】図1
Description
以下では、本発明に係る遮断装置が、CCIDとよばれる充電制御装置に備えられた実施形態について説明する。充電制御装置は、交流電源と電動車両(ハイブリッド車(HEV)やプラグ・イン・ハイブリッド車(PHEV)や電気自動車(EV)など)とをつなぐ充電ケーブルに設けられ、直流の漏電電流を検知すると電動車両への電力供給を遮断する。なお、遮断装置の用途は充電制御装置に限定されず、交流電源から供給される交流電力を直流電力に変換して蓄電池を充電する蓄電システムにも適用が可能である。以下に説明する構成は本発明の一例にすぎない。本発明は、以下の実施形態に限定されず、本発明に係る技術的思想を逸脱しない範囲であれば、設計等に応じて種々の変更が可能である。
実施形態2の遮断装置1を図3に基づいて説明する。
実施形態3の遮断装置1について図5に基づいて説明する。
10 磁心
20 巻線
30 励磁部
35 設定回路
40 電流検出部
41,42,43 抵抗器
44,45 半導体スイッチ
50 直流成分検出部
60 判定部
62,63,65,67 抵抗器
64,66,68 半導体スイッチ
69 制御回路
70 接点部(一対の接点部)
80 記憶部
90 導電体
100 交流電源
201 直流電源装置
400 インピーダンス回路
600 閾値設定回路
Claims (6)
- 交流電源及び前記交流電源から供給される交流電力を直流に変換する直流電源装置の間をそれぞれ電気的に接続する一対の導電体に電磁的に結合される磁心と、
前記磁心に巻き付けられた巻線と、
交流の励磁電流を前記巻線に供給する励磁部と、
前記巻線に流れる電流の電流値を検出する電流検出部と、
前記電流検出部によって検出された電流値から直流成分の大きさを検出する直流成分検出部と、
前記一対の導電体のそれぞれに電気的に接続された一対の接点部と、
前記直流成分検出部によって検出された直流成分の大きさが閾値を超えると前記一対の接点部をオフにする判定部とを備え、
前記判定部は、前記交流電源から前記直流電源装置に交流電力が供給されていない給電停止状態では前記一対の接点部をオフにすることを特徴とする遮断装置。 - 前記一対の接点部がオフの状態で前記直流成分検出部によって検出された直流成分の大きさを記憶する記憶部をさらに備え、
前記判定部は、前記一対の接点部がオンの状態で前記直流成分検出部によって検出された直流成分の大きさ、及び、前記閾値のうちの何れか一方を、前記記憶部に記憶された直流成分の大きさで補正することを特徴とする請求項1に記載の遮断装置。 - 前記判定部は、前記記憶部に記憶された直流成分の大きさに応じて、抵抗器と半導体スイッチとを用いた回路で前記閾値を設定するように構成されたことを特徴とする請求項2に記載の遮断装置。
- 前記電流検出部は、前記巻線に流れる電流の電流値に比例した電圧信号を発生するインピーダンス回路を備え、
前記励磁部は、前記インピーダンス回路に発生した電圧信号の大きさに応じた振幅の前記励磁電流を前記巻線に供給しており、
前記励磁部は、前記インピーダンス回路のインピーダンス値を設定する設定回路を有することを特徴とする請求項1〜3のいずれか1項に記載の遮断装置。 - 前記設定回路は、前記インピーダンス回路が有する抵抗器と半導体スイッチとを用いて、前記インピーダンス回路のインピーダンス値を設定することを特徴とする請求項4に記載の遮断装置。
- 前記設定回路は、前記一対の接点部がオフの状態で前記巻線に供給する前記励磁電流の振幅を、前記磁心を消磁するために必要な第1振幅とした状態から、前記第1振幅よりも小さい第2振幅とするように、前記インピーダンス回路のインピーダンス値を変化させることを特徴とする請求項4又は5に記載の遮断装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015087808A JP6429153B2 (ja) | 2015-04-22 | 2015-04-22 | 遮断装置 |
CN201680022952.0A CN107534286B (zh) | 2015-04-22 | 2016-03-25 | 遮断装置 |
EP16782759.1A EP3288133B1 (en) | 2015-04-22 | 2016-03-25 | Shutoff device |
PCT/JP2016/001734 WO2016170731A1 (ja) | 2015-04-22 | 2016-03-25 | 遮断装置 |
US15/563,934 US10396544B2 (en) | 2015-04-22 | 2016-03-25 | Shutoff device |
KR1020177030109A KR102017484B1 (ko) | 2015-04-22 | 2016-03-25 | 차단 장치 |
Applications Claiming Priority (1)
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JP2015087808A JP6429153B2 (ja) | 2015-04-22 | 2015-04-22 | 遮断装置 |
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JP2016208669A true JP2016208669A (ja) | 2016-12-08 |
JP6429153B2 JP6429153B2 (ja) | 2018-11-28 |
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JP2015087808A Active JP6429153B2 (ja) | 2015-04-22 | 2015-04-22 | 遮断装置 |
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US (1) | US10396544B2 (ja) |
EP (1) | EP3288133B1 (ja) |
JP (1) | JP6429153B2 (ja) |
KR (1) | KR102017484B1 (ja) |
CN (1) | CN107534286B (ja) |
WO (1) | WO2016170731A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019092290A (ja) * | 2017-11-14 | 2019-06-13 | 株式会社東芝 | 欠相検知装置および欠相検知システム |
WO2020203511A1 (ja) * | 2019-03-29 | 2020-10-08 | 住友電装株式会社 | 給電制御装置、開放検知方法及びコンピュータプログラム |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6625395B2 (ja) * | 2015-10-26 | 2019-12-25 | 日置電機株式会社 | 電流センサおよび測定装置 |
US10502771B2 (en) * | 2016-01-29 | 2019-12-10 | Landis+Gyr Llc | Detecting current measurement tampering by current transformer parallel impedance |
JP6697746B2 (ja) * | 2016-11-29 | 2020-05-27 | パナソニックIpマネジメント株式会社 | 漏電検出装置 |
JP6697745B2 (ja) * | 2016-11-29 | 2020-05-27 | パナソニックIpマネジメント株式会社 | 直流漏電検出装置、漏電検出装置 |
EP3588107B1 (en) * | 2018-06-21 | 2020-12-09 | ABB Power Grids Switzerland AG | Method and device for calculating winding currents at delta side for a transformer |
CN112394295A (zh) * | 2019-08-12 | 2021-02-23 | 中兴通讯股份有限公司 | 一种接地不良告警装置和接地不良告警系统 |
CN111030048B (zh) * | 2019-11-21 | 2021-10-22 | 宇龙计算机通信科技(深圳)有限公司 | 漏电保护电路、充电线和充电器 |
FR3111746B1 (fr) * | 2020-06-23 | 2022-06-03 | Hager Electro Sas | Procédé de détection de courants de fuite ou de défaut dans une installation électrique à partir d’un appareil de protection assurant au moins une protection différentielle et un tel appareil convenant à la mise en œuvre dudit procédé |
CN112269148A (zh) * | 2020-11-17 | 2021-01-26 | 长春捷翼汽车零部件有限公司 | 一种电流检测电路、漏电流检测方法及充电系统 |
DE102023202519A1 (de) | 2023-03-21 | 2024-09-26 | Siemens Aktiengesellschaft | Fehlerstrom-Schutzschaltung zur Detektion eines Gleichstroms |
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- 2015-04-22 JP JP2015087808A patent/JP6429153B2/ja active Active
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- 2016-03-25 CN CN201680022952.0A patent/CN107534286B/zh active Active
- 2016-03-25 US US15/563,934 patent/US10396544B2/en active Active
- 2016-03-25 EP EP16782759.1A patent/EP3288133B1/en active Active
- 2016-03-25 WO PCT/JP2016/001734 patent/WO2016170731A1/ja active Application Filing
- 2016-03-25 KR KR1020177030109A patent/KR102017484B1/ko active IP Right Grant
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WO2020203511A1 (ja) * | 2019-03-29 | 2020-10-08 | 住友電装株式会社 | 給電制御装置、開放検知方法及びコンピュータプログラム |
JP2020167611A (ja) * | 2019-03-29 | 2020-10-08 | 住友電装株式会社 | 給電制御装置、開放検知方法及びコンピュータプログラム |
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Publication number | Publication date |
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CN107534286A (zh) | 2018-01-02 |
EP3288133C0 (en) | 2023-09-13 |
US20180131173A1 (en) | 2018-05-10 |
EP3288133A1 (en) | 2018-02-28 |
KR20170130487A (ko) | 2017-11-28 |
CN107534286B (zh) | 2019-10-18 |
KR102017484B1 (ko) | 2019-09-03 |
WO2016170731A1 (ja) | 2016-10-27 |
JP6429153B2 (ja) | 2018-11-28 |
EP3288133A4 (en) | 2018-04-25 |
EP3288133B1 (en) | 2023-09-13 |
US10396544B2 (en) | 2019-08-27 |
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