JP2014096913A5 - - Google Patents
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- JP2014096913A5 JP2014096913A5 JP2012246985A JP2012246985A JP2014096913A5 JP 2014096913 A5 JP2014096913 A5 JP 2014096913A5 JP 2012246985 A JP2012246985 A JP 2012246985A JP 2012246985 A JP2012246985 A JP 2012246985A JP 2014096913 A5 JP2014096913 A5 JP 2014096913A5
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- power supply
- emergency power
- emergency
- circuit breaker
- high voltage
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Claims (8)
前記非常用電源装置自体のインピーダンスが、前記停電時の前記非常用電源装置からの給電時に前記高圧フィーダ変圧器および前記非常用電源装置に流れる励磁突入電流を共に抑制するインピーダンスであり、当該インピーダンスの前記非常用電源装置から、前記受電系統の停電時に前記高圧母線および前記高圧フィーダ変圧器を介して前記非常用負荷に給電する
ことを特徴とする非常用電源による停電時給電方式。 Each power receiving end is connected to a power receiving system via a high voltage bus, and the output end is connected to an emergency load via a low voltage bus, to each power receiving end of a plurality of high voltage feeder transformers. It is a power supply method at the time of a power failure by an emergency power source that connects a power supply device through the high-voltage bus,
The impedance of the emergency power supply itself is an impedance that suppresses both the inrush current that flows through the high-voltage feeder transformer and the emergency power supply when power is supplied from the emergency power supply during the power outage. A power supply method at the time of a power failure by an emergency power source, wherein power is supplied from the emergency power supply device to the emergency load via the high-voltage bus and the high-voltage feeder transformer during a power failure of the power receiving system.
前記非常用電源装置が、非常用電源と、受電端が前記非常用電源の出力端に接続され前記停電時の前記非常用電源装置からの給電時に前記高圧フィーダ変圧器および前記非常用電源装置に流れる励磁突入電流を共に抑制するインピーダンスとなる非常用電源変圧器と、閉成時に前記非常用電源変圧器の出力端と前記高圧母線とを接続する非常用電源連絡遮断器とで構成され、
前記非常用電源連絡遮断器の閉成時に、前記非常用電源から、前記非常用電源変圧器と前記非常用電源連絡遮断器と前記高圧母線と前記高圧フィーダ変圧器とを介して前記非常用負荷に給電する
ことを特徴とする非常用電源による停電時給電方式。 In the power supply method at the time of a power failure by the emergency power source according to claim 1,
The emergency power supply includes an emergency power supply, and a power receiving end connected to the output end of the emergency power supply. When the power is supplied from the emergency power supply during the power failure, the high-voltage feeder transformer and the emergency power supply device It is composed of an emergency power transformer that has an impedance that suppresses both the flowing magnetizing inrush current, and an emergency power supply circuit breaker that connects the output terminal of the emergency power transformer and the high-voltage bus when closed.
When the emergency power supply circuit breaker is closed, the emergency load is supplied from the emergency power supply via the emergency power transformer, the emergency power supply circuit breaker, the high voltage bus, and the high voltage feeder transformer. Power supply method during power outage with an emergency power supply characterized by supplying power to
前記非常用電源装置が、非常用電源と、入力端が前記非常用電源の出力端に接続され前記停電時の前記非常用電源装置からの給電時に前記高圧フィーダ変圧器および前記非常用電源装置に流れる励磁突入電流を共に抑制するインピーダンスとなるリアクトルと、閉成時に前記リアクトルの出力端と前記高圧母線とを接続する非常用電源連絡遮断器とで構成され、
前記非常用電源連絡遮断器の閉成時に、前記非常用電源から、前記リアクトルと前記非常用電源連絡遮断器と前記高圧母線と前記高圧フィーダ変圧器とを介して前記非常用負荷
に給電する
ことを特徴とする非常用電源による停電時給電方式。 In the power supply method at the time of a power failure by the emergency power source according to claim 1,
The emergency power supply is connected to the emergency power supply and to the high-voltage feeder transformer and the emergency power supply when power is supplied from the emergency power supply in the event of a power outage with an input terminal connected to the output terminal of the emergency power supply. It is composed of a reactor that has an impedance that suppresses both flowing inrush currents, and an emergency power supply circuit breaker that connects the output terminal of the reactor and the high-voltage bus when closed.
When the emergency power supply circuit breaker is closed, power is supplied from the emergency power supply to the emergency load through the reactor, the emergency power supply circuit breaker, the high voltage bus, and the high voltage feeder transformer. A power supply system during an outage using an emergency power supply.
前記非常用電源装置が、非常用電源と、入力端が前記非常用電源の出力端に接続され前記停電時の前記非常用電源装置からの給電時に前記高圧フィーダ変圧器および前記非常用電源装置に流れる励磁突入電流を共に抑制するインピーダンスとなる抵抗と、閉成時に前記抵抗の出力端と前記高圧母線とを接続する非常用電源連絡遮断器とで構成され、
前記非常用電源連絡遮断器の閉成時に、前記非常用電源から、前記抵抗と前記非常用電源連絡遮断器と前記高圧母線と前記高圧フィーダ変圧器とを介して前記非常用負荷に給電する
ことを特徴とする非常用電源による停電時給電方式。 In the power supply method at the time of a power failure by the emergency power source according to claim 1,
The emergency power supply is connected to the emergency power supply and to the high-voltage feeder transformer and the emergency power supply when power is supplied from the emergency power supply in the event of a power outage with an input terminal connected to the output terminal of the emergency power supply. It consists of a resistor that becomes an impedance that suppresses both exciting inrush currents that flow, and an emergency power supply circuit breaker that connects the output terminal of the resistor and the high-voltage bus when closed.
When the emergency power supply circuit breaker is closed, power is supplied from the emergency power supply to the emergency load through the resistor, the emergency power supply circuit breaker, the high voltage bus, and the high voltage feeder transformer. A power supply system during an outage using an emergency power supply.
前記非常用電源装置が、非常用電源と、非常用電源遮断器と、受電端が前記非常用電源の出力端に前記非常用電源遮断器を介して接続され前記停電時の前記非常用電源装置からの給電時に前記高圧フィーダ変圧器および前記非常用電源装置に流れる励磁突入電流を共に抑制するインピーダンスと、閉成時に前記インピーダンスの出力端と前記高圧母線とを接続する非常用電源連絡遮断器とで構成され、
非常用電源遮断器と前記非常用電源連絡遮断器とは同時に閉成され、
前記非常用電源遮断器および前記非常用電源連絡遮断器の閉成時に、前記非常用電源から、前記非常用電源遮断器と前記インピーダンスと前記非常用電源連絡遮断器と前記高圧母線と前記高圧フィーダ変圧器とを介して前記非常用負荷に給電する
ことを特徴とする非常用電源による停電時給電方式。 In the power supply method at the time of a power failure by the emergency power source according to claim 1,
The emergency power supply device includes an emergency power supply, an emergency power supply circuit breaker, and a power receiving end connected to an output end of the emergency power supply via the emergency power supply circuit breaker. An impedance that suppresses both the magnetizing inrush current flowing in the high-voltage feeder transformer and the emergency power supply device when power is supplied from the power supply, and an emergency power supply circuit breaker that connects the output terminal of the impedance and the high-voltage bus when closed Consists of
The emergency power circuit breaker and the emergency power supply circuit breaker are closed at the same time,
When the emergency power supply circuit breaker and the emergency power supply circuit breaker are closed, the emergency power supply circuit breaker, the impedance, the emergency power supply circuit breaker, the high voltage bus, and the high voltage feeder are closed. A power supply method at the time of a power failure by an emergency power supply, wherein the power supply is supplied to the emergency load via a transformer.
閉成時に前記複数の低圧母線の間を接続する低圧母線連絡開閉器が設けられ、
前記複数の高圧フィーダ変圧器の各々の受電端と前記高圧母線との間に高圧フィーダ変圧器一次遮断器が設けられ、
前記停電時に、前記複数の高圧フィーダ変圧器の前記高圧フィーダ変圧器一次遮断器が選択的に遮断されると共に前記低圧母線連絡開閉器が閉成され、
閉成時に前記非常用電源装置の非常用電源変圧器の出力端と前記高圧母線とを接続する非常用電源連絡遮断器の閉成により、前記非常用電源から、前記非常用電源連絡遮断器と前記高圧母線とを介して、前記高圧フィーダ変圧器一次遮断器が選択的に遮断された高圧フィーダ変圧器に対応する前記非常用負荷と、対応する前記高圧フィーダ変圧器一次遮断器が遮断されなかった高圧フィーダ変圧器に対応する前記非常用負荷とに給電することを特徴とする非常用電源による停電時給電方式。 In the power supply method at the time of a power failure by the emergency power source according to claim 1,
A low-pressure bus connection switch for connecting the plurality of low-voltage buses at the time of closing is provided;
A high voltage feeder transformer primary circuit breaker is provided between the receiving end of each of the plurality of high voltage feeder transformers and the high voltage bus,
At the time of the power failure, the high-voltage feeder transformer primary circuit breaker of the plurality of high-voltage feeder transformers is selectively cut off and the low-voltage bus connection switch is closed,
By closing the emergency power supply circuit breaker that connects the output terminal of the emergency power transformer of the emergency power supply device and the high voltage bus at the time of closing, from the emergency power supply, the emergency power supply circuit breaker and The emergency load corresponding to the high voltage feeder transformer in which the high voltage feeder transformer primary circuit breaker is selectively interrupted and the corresponding high voltage feeder transformer primary circuit breaker are not interrupted via the high voltage bus. A power supply method at the time of power failure by an emergency power supply, wherein power is supplied to the emergency load corresponding to the high voltage feeder transformer.
前記非常用電源が発電機であり、
前記発電機の電圧確立に基づいて前記非常用電源連絡遮断器が閉成する
ことを特徴とする非常用電源による停電時給電方式。 In the power supply system at the time of a power failure by the emergency power source according to any one of claims 2 to 6,
The emergency power source is a generator;
The power supply method at the time of a power failure by an emergency power supply, wherein the emergency power supply circuit breaker is closed based on the voltage establishment of the generator.
前記非常用電源装置の非常用電源が発電機であり、
前記発電機を、その内部インピーダンス値の大きさが、標準の発電機の内部インピーダンス値の２倍である２０％の発電機とした
ことを特徴とする非常用電源による停電時給電方式。 In the power supply method at the time of a power failure by the emergency power source according to claim 1,
The emergency power supply of the emergency power supply is a generator,
A power supply system during a power failure by an emergency power supply, wherein the generator is a 20% generator whose internal impedance value is twice that of a standard generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012246985A JP2014096913A (en) | 2012-11-09 | 2012-11-09 | Power feeding system for power failure employing emergency power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012246985A JP2014096913A (en) | 2012-11-09 | 2012-11-09 | Power feeding system for power failure employing emergency power source |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2014096913A JP2014096913A (en) | 2014-05-22 |
| JP2014096913A5 true JP2014096913A5 (en) | 2015-09-24 |
Family
ID=50939568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2012246985A Pending JP2014096913A (en) | 2012-11-09 | 2012-11-09 | Power feeding system for power failure employing emergency power source |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2014096913A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106684856B (en) * | 2015-11-11 | 2023-10-03 | 上海利策科技股份有限公司 | Control device of low-voltage power system |
| CN108879945A (en) * | 2018-08-03 | 2018-11-23 | 中国电力工程顾问集团西北电力设计院有限公司 | A kind of auxiliary single-line diagram structure of garbage incinerating power plant |
| KR102415566B1 (en) * | 2019-05-28 | 2022-06-30 | 삼성중공업 주식회사 | System for controlling electric power in floater |
| CN113312761B (en) * | 2021-05-17 | 2023-05-30 | 广东电网有限责任公司广州供电局 | Method and system for improving toughness of power distribution network |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59165997A (en) * | 1983-03-08 | 1984-09-19 | Fuji Electric Co Ltd | Starting system of power system |
| JPS59162723A (en) * | 1983-03-08 | 1984-09-13 | 富士電機株式会社 | Exciting system of transformer |
| JPS62166735A (en) * | 1986-01-17 | 1987-07-23 | 株式会社東芝 | Private power source changer |
| JPH09261875A (en) * | 1996-03-18 | 1997-10-03 | Kajima Corp | Low-voltage bus bar parallel high voltage receiving facility |
| JP2001135204A (en) * | 1999-11-10 | 2001-05-18 | Hitachi Ltd | Transient current preventing unit in incoming substation facility |
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2012
- 2012-11-09 JP JP2012246985A patent/JP2014096913A/en active Pending
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