WO2019234927A1 - Disjoncteur électronique - Google Patents
Disjoncteur électronique Download PDFInfo
- Publication number
- WO2019234927A1 WO2019234927A1 PCT/JP2018/022086 JP2018022086W WO2019234927A1 WO 2019234927 A1 WO2019234927 A1 WO 2019234927A1 JP 2018022086 W JP2018022086 W JP 2018022086W WO 2019234927 A1 WO2019234927 A1 WO 2019234927A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- microcomputer
- current
- trip
- data
- signal
- Prior art date
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Classifications
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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
- H02H3/02—Details
-
- 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
- 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
- H02H3/08—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 excess current
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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
- H02H3/08—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 excess current
- H02H3/093—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 excess current with timing means
Definitions
- FIG. 1 is a block diagram of an electronic circuit breaker according to Embodiment 1 of the present invention. It is a functional block diagram which shows the function of the microcomputer in the electronic circuit breaker shown in FIG. It is explanatory drawing for demonstrating the FIFO table of the current information processing part shown in FIG. It is a block diagram of the electronic circuit breaker which concerns on Embodiment 2 of this invention. It is a functional block diagram which shows the function of the microcomputer in the electronic circuit breaker shown in FIG. It is a figure which shows the structure of the digital signal D1 with a tag which is the output data of the tag data provision part in the electronic circuit breaker shown in FIG.
- the first microcomputer 10 includes a CPU 101, a ROM 102, and a RAM 103 that constitute a microcomputer, an A / D conversion circuit 104 that converts an analog voltage signal from the current detection circuit 4 into a digital signal at a cycle of, for example, 500 microseconds, and the like.
- the first communication circuit 105 for receiving setting data from the second microcomputer 20 at the time of startup and periodically communicating with the second microcomputer 20 and the output port 106 for driving the tripping circuit 6 are configured. ing.
- the digital value corresponding to the current value converted by the A / D conversion circuit 104 is converted from the A / D conversion circuit 104 to the first communication circuit 105,
- the maximum value calculation unit 108b and the effective value calculation unit 108c are input.
- the maximum value calculation unit 108 b and the effective value calculation unit 108 c calculate the maximum value and the effective value in a predetermined cycle, respectively, and input these digital values to the first communication circuit 105.
- Current information such as the digital value, effective value, and maximum value of the A / D-converted load current is transferred from the first communication circuit 105 to the first communication circuit 205 of the second microcomputer 20 through communication in a predetermined cycle.
- the first communication circuit 205 delivers the received current information to the short time delay trip processor 208b and the long time trip processor 208c.
- the current information processing unit 208d of the second microcomputer 20 stores a digital value of a predetermined number of load currents, which are A / D converted, received from the first microcomputer 10 in a FIFO table.
- a digital value of a predetermined number of load currents which are A / D converted
- FIG. 3B In the FIFO table of the current information processing unit 208d, when the FIFO table is full as shown in FIG. 3A and a new digital value (n + 1) is written, as shown in FIG. 3B.
- the digital value (1) which is the oldest data is updated so as to be deleted from the FIFO table.
- FIG. 9 is a diagram showing the current shown in FIG. explanatory view for explaining the FIFO table of the information processing unit
- 10 is a diagram showing a structure of INST tag data
- T I is the output data of the instantaneous tripping unit in electronic circuit breaker shown in FIG. 5
- FIG. 1 1 is a diagram showing a structure of SHORT tag data
- T S is the output data of the Short-time tripping processing unit in electronic circuit breaker shown in FIG. 5
- the length limit Toki ⁇ in Figure 12 electronic circuit breaker shown in FIG. 5
- It is a figure which shows the structure of the LONG tag data TL which is the output data of a removal process part.
- the first microcomputer 10 is provided with a second communication circuit 107 for transmitting a digital signal with tag data to a current information processing unit 308 described later.
- the second microcomputer 20 transmits tag information for informing the current information processing unit 308 of the timing at which the interruption is performed.
- Two communication circuits 107 are provided.
- the “tagged current signal data” described in the claims means the tagged digital signal D1, the tagged maximum value data D2, and the tagged effective value data D3.
- the current signal output from the current detection device 3 is input, the first microcomputer 10 that outputs the instantaneous trip signal and the setting unit 5 are connected, and the instantaneous trip is performed.
- the characteristics are transmitted to the first microcomputer 10, and the second microcomputer 20 that acquires the current information flowing through the electric circuit 1 from the first microcomputer 10 and outputs the time trip signal, the instantaneous trip signal S1, and the time trip signal S2
- a tripping device 7 that opens the switching contact 2 on the basis
- a third microcomputer 30 having a current information processing unit 208d that acquires current information of the electric circuit 1 from the first microcomputer 10 and displays or outputs the current information to the outside;
- the second communication circuit 107 that has received the tagged digital signal E1 transmits the tagged digital signal E1 to the current information processing unit 308 via the first communication circuit 304 of the third microcomputer 30.
- the current information processing unit 308 divides the received digital signal with tag E1 into A / D conversion data d1 and tag data T1 and stores them in the FIFO table.
- the first communication circuit 205 of the second microcomputer 20 receives the INST tag data T I from the instantaneous tripping unit 108a, via the second communication circuit 209, the INST tag data T I to the third microcomputer 30 Send.
- the second communication circuit 305 of the third microcomputer 30 that has received the INST tag data T I from the second microcomputer 20, by passing the INST tag data T I to the current information processing unit 308, and the instantaneous tripping by the first microcomputer 10 Notify tag data when is executed.
- the maximum value calculation unit 108b checks the A / D conversion data d1 of the tagged digital signal E1 received from the tag data adding unit 108d, and four times the first predetermined cycle (for example, 10 msec which is a half cycle of 50 Hz). The maximum value data d2 at 40 msec) is calculated. The last tag data T1 in the period is added to the maximum value data d2, and the tagged maximum value data E2 shown in FIG. 17 is generated and transmitted from the first communication circuit 105 to the second microcomputer 20.
- the first predetermined cycle for example, 10 msec which is a half cycle of 50 Hz.
- the effective value calculation unit 108c that has received the tagged digital signal E1 from the tag data adding unit 108d receives a second predetermined period (for example, a period of 50 Hz) from the digital signal of the tagged digital signal E1 received from the tag data adding unit 108d. At the end of the period used for the calculation, that is, the tag data of the latest tagged digital signal E1 is added to the effective value calculated by the calculation. 19 is transmitted from the first communication circuit 105 to the second microcomputer 20 as tagged effective value data E3.
- a second predetermined period for example, a period of 50 Hz
- the current information displayed or output to the outside by the current information processing unit 308 is a current waveform in the electric circuit 1 or a harmonic current of the electric circuit 1 from immediately before the tripping device 7 opens the switching contact 2 to the opening.
- the cause of the interruption by the electronic circuit breaker 600 can be easily grasped.
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
La présente invention concerne un disjoncteur électronique (400) pourvu : d'un contact d'ouverture/fermeture (2) pour ouvrir et fermer un trajet électrique (1) ; d'un dispositif de détection de courant (3) pour détecter le courant du trajet électrique (1) ; d'une unité de réglage (5) pour régler une caractéristique de déclenchement instantané, une caractéristique de déclenchement de limite de temps court, et une caractéristique de déclenchement de limite de temps long pour ouvrir le contact d'ouverture/fermeture (2) en fonction du courant circulant à travers le trajet électrique (1) ; d'un premier micro-ordinateur (10) recevant le signal de sortie du dispositif de détection de courant (3) et émettant un signal de déclenchement instantané ; d'un second micro-ordinateur (20) raccordé à l'unité de réglage (5), transmettant la caractéristique de déclenchement instantané au premier micro-ordinateur (10), et acquérant des informations du courant circulant à travers le trajet électrique (1) à partir du premier micro-ordinateur (10) et émettant un signal de déclenchement de limite de temps ; d'un dispositif de déclenchement (7) pour ouvrir le contact d'ouverture/fermeture (2) sur la base du signal de déclenchement instantané S1 et du signal de déclenchement de limite de temps S2 ; et d'une unité de traitement d'informations de courant pour acquérir les informations de courant du trajet électrique (1) à partir du premier micro-ordinateur (10) et afficher ou fournir de manière externe les informations de courant.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2018/022086 WO2019234927A1 (fr) | 2018-06-08 | 2018-06-08 | Disjoncteur électronique |
CN201880094280.3A CN112236914A (zh) | 2018-06-08 | 2018-06-08 | 电子式电路断路器 |
JP2020523963A JP6947302B2 (ja) | 2018-06-08 | 2018-06-08 | 電子式回路遮断器 |
TW107137763A TWI686027B (zh) | 2018-06-08 | 2018-10-25 | 電子式電路斷路器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2018/022086 WO2019234927A1 (fr) | 2018-06-08 | 2018-06-08 | Disjoncteur électronique |
Publications (1)
Publication Number | Publication Date |
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WO2019234927A1 true WO2019234927A1 (fr) | 2019-12-12 |
Family
ID=68770929
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2018/022086 WO2019234927A1 (fr) | 2018-06-08 | 2018-06-08 | Disjoncteur électronique |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP6947302B2 (fr) |
CN (1) | CN112236914A (fr) |
TW (1) | TWI686027B (fr) |
WO (1) | WO2019234927A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4175093A1 (fr) * | 2021-10-29 | 2023-05-03 | Eaton Intelligent Power Limited | Unité de déclenchement à analyse de charge élevée |
Citations (7)
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JPS62173914A (ja) * | 1986-01-27 | 1987-07-30 | 三菱電機株式会社 | 回路しや断器 |
WO1996028871A1 (fr) * | 1995-03-15 | 1996-09-19 | Hitachi, Ltd. | Coupe-circuit |
JP2002345145A (ja) * | 2001-05-18 | 2002-11-29 | Mitsubishi Electric Corp | 回路遮断器 |
JP2008099442A (ja) * | 2006-10-12 | 2008-04-24 | Toshiba Corp | ディジタル型保護制御装置とそのデータ表示方法およびデータ表示プログラム |
JP2015035073A (ja) * | 2013-08-08 | 2015-02-19 | ルネサスエレクトロニクス株式会社 | 半導体装置及び半導体装置の制御方法 |
WO2017141430A1 (fr) * | 2016-02-19 | 2017-08-24 | 三菱電機株式会社 | Dispositif d'enregistrement de forme d'onde de défaut |
JP2018067049A (ja) * | 2016-10-17 | 2018-04-26 | 富士電機株式会社 | マルチプロセッサシステム |
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US4685024A (en) * | 1985-11-19 | 1987-08-04 | General Electric Company | Overcurrent circuit interrupter using RMS sampling |
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TW274622B (en) * | 1995-11-18 | 1996-04-21 | Taian Electric Co Ltd | Break control method for electric breaker |
JP4682103B2 (ja) * | 2006-07-20 | 2011-05-11 | 三菱電機株式会社 | 電子式回路遮断器 |
GB0812335D0 (en) * | 2008-07-05 | 2008-08-13 | Qinetiq Ltd | Circuit breaker |
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TWM386688U (en) * | 2010-02-02 | 2010-08-11 | Shihlin Electric & Eng Corp | Electronic tripping device of circuit breaker |
CN202696106U (zh) * | 2012-05-25 | 2013-01-23 | 贵阳供电局 | 一种快速电力电子断路器装置 |
JP5745180B2 (ja) * | 2012-07-11 | 2015-07-08 | 三菱電機株式会社 | 回路遮断器 |
CN103166319A (zh) * | 2013-03-17 | 2013-06-19 | 吉首大学 | 电力线路异常漏电检测与远程控制装置和方法 |
CN103247489B (zh) * | 2013-05-16 | 2015-11-04 | 天津市百利电气有限公司 | 无接地电流采样专用互感器的断路器电子脱扣器 |
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2018
- 2018-06-08 CN CN201880094280.3A patent/CN112236914A/zh active Pending
- 2018-06-08 JP JP2020523963A patent/JP6947302B2/ja active Active
- 2018-06-08 WO PCT/JP2018/022086 patent/WO2019234927A1/fr active Application Filing
- 2018-10-25 TW TW107137763A patent/TWI686027B/zh active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS62173914A (ja) * | 1986-01-27 | 1987-07-30 | 三菱電機株式会社 | 回路しや断器 |
WO1996028871A1 (fr) * | 1995-03-15 | 1996-09-19 | Hitachi, Ltd. | Coupe-circuit |
JP2002345145A (ja) * | 2001-05-18 | 2002-11-29 | Mitsubishi Electric Corp | 回路遮断器 |
JP2008099442A (ja) * | 2006-10-12 | 2008-04-24 | Toshiba Corp | ディジタル型保護制御装置とそのデータ表示方法およびデータ表示プログラム |
JP2015035073A (ja) * | 2013-08-08 | 2015-02-19 | ルネサスエレクトロニクス株式会社 | 半導体装置及び半導体装置の制御方法 |
WO2017141430A1 (fr) * | 2016-02-19 | 2017-08-24 | 三菱電機株式会社 | Dispositif d'enregistrement de forme d'onde de défaut |
JP2018067049A (ja) * | 2016-10-17 | 2018-04-26 | 富士電機株式会社 | マルチプロセッサシステム |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4175093A1 (fr) * | 2021-10-29 | 2023-05-03 | Eaton Intelligent Power Limited | Unité de déclenchement à analyse de charge élevée |
US20230133287A1 (en) * | 2021-10-29 | 2023-05-04 | Eaton Intelligent Power Limited | Trip unit with high-load analysis |
Also Published As
Publication number | Publication date |
---|---|
JPWO2019234927A1 (ja) | 2021-01-07 |
JP6947302B2 (ja) | 2021-10-13 |
TWI686027B (zh) | 2020-02-21 |
CN112236914A (zh) | 2021-01-15 |
TW202002443A (zh) | 2020-01-01 |
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