CN202260396U - Non-electric protection equipment for converter transformer - Google Patents
Non-electric protection equipment for converter transformer Download PDFInfo
- Publication number
- CN202260396U CN202260396U CN2011204202165U CN201120420216U CN202260396U CN 202260396 U CN202260396 U CN 202260396U CN 2011204202165 U CN2011204202165 U CN 2011204202165U CN 201120420216 U CN201120420216 U CN 201120420216U CN 202260396 U CN202260396 U CN 202260396U
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- China
- Prior art keywords
- protective device
- tripping operation
- electrical
- relay
- electric protection
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Abstract
The utility model relates to non-electric protection equipment for a converter transformer. The non-electrical protection equipment for the converter transformer comprises a relay module, a first non-electric protection device, a second non-electric protection device, a third non-electric protection device, a first two-out-of-three logic output device and a second two-out-of-three logic output device, wherein a relay of the relay module is electrically connected with an input end of the first non-electric protection device through a first trip contact of the relay module, and the relay is also electrically connected with an input end of the second non-electric protection device through a second trip contact and is electrically connected with an input end of the third non-electric protection device through a third trip contact; and output ends of the first non-electric protection device, the second non-electric protection device and the third non-electric protection device are respectively and correspondingly connected with input ends of the first two-out-of-three logic output device and the second two-out-of-three logic output device. The protection maloperation problem caused by the failure of a single trip contact of electrical equipment can be solved by utilizing the non-electrical protection equipment for the converter transformer.
Description
Technical field:
The utility model relates to field of relay protection in power, and particularly a kind of change of current becomes non electrical quantity protection equipment.
Background technology:
At present, the domestic current conversion station change of current becomes the non electrical quantity protection and adopts dual mode to realize substantially, and the one, by independently non electrical quantity protective device realization, the tripping operation outlet loop is straight rebound road.The 2nd, adopt in the DC engineering of ABB technology, the non electrical quantity guard signal is gathered by the control protection system through the switching value integrated circuit board and is realized the tripping operation outlet.
Mostly above dual mode is to adopt two to get an outlet mode; The change of current becomes non electrical quantity relay, the table of body and (for example counts; Buchholz relay, SF6 density monitor, oil flow relay, oil temperature gauge, winding temperature table) only dispose two secondary non electrical quantities protection tripping operation contacts; Wherein a secondary contact inserts the utmost point control A of system that the change of current becomes the non electrical quantity protection, and another secondary contact inserts the utmost point control B of system that the change of current becomes the non electrical quantity protection.Get under the outlet mode two, secondary non electrical quantity protection tripping operation junction closure, protection will be moved outlet, protects the malfunction probability bigger.
Summary of the invention:
In view of this, be necessary to provide the little change of current of a kind of malfunction rate to become non electrical quantity protection equipment.
A kind of change of current becomes non electrical quantity protection equipment and comprises that relay module, the first non-electrical protective device, the second non-electrical protective device, the 3rd non-electrical protective device, the or three get two logic output devices and the two or three and get two logic output devices; The relay module comprises relay and the first tripping operation contact that electrically connects with relay, the second tripping operation contact and the 3rd tripping operation contact.Relay electrically connects through the input of the first tripping operation contact and the first non-electrical protective device, and relay also electrically connects and electrically connects through the 3rd tripping operation contact and the 3rd non-electrical protective device input through the input of the second tripping operation contact and the second non-electrical protective device.What the output of the first non-electrical protective device, the second non-electrical protective device and the 3rd non-electrical protective device was corresponding respectively gets the input that two logic output devices and the two or three get two logic output devices and is connected with the one or three.
The change of current that utilizes the utility model to provide becomes non electrical quantity protection equipment; Any one secondary tripping operation junction closure in the first tripping operation contact, the second tripping operation contact and the 3rd tripping operation contact; Protective device can not move the jumping circuit breaker; Have only any two or three junction closures in the first tripping operation contact, the second tripping operation contact and the 3rd tripping operation contact; The change of current becomes the one or three of non electrical quantity protection equipment and gets two logic output devices, the two or three and get the output of two logic output devices and just can export the concurrent ESOF signal of tripping circuit breaker and to the utmost point control system, the protection malfunction of effectively having avoided single tripping operation contact fault to cause.
Description of drawings:
Accompanying drawing 1 is the structural representation that the change of current of a preferred embodiments becomes non electrical quantity protection equipment.
Among the figure: the change of current becomes non electrical quantity protection equipment 10, relay module 11, relay 111, the first tripping operation contact 112, the second tripping operation contact 113, the 3rd tripping operation contact 114, first non-electrical protective device 12, second non-electrical protective device the 13, the 3rd non-electrical protective device the 14, the 1 is got two logic output devices the 15, the 23 and got two logic output devices 16
Embodiment:
Please be simultaneously referring to Fig. 1, the change of current becomes non electrical quantity protection equipment 10 and comprises that relay module 11, first non-electrical protective device 12, second non-electrical protective device the 13, the 3rd non-electrical protective device the 14, the 1 gets two logic output devices the 15 and the 23 and get two logic output devices 16.
Relay module 11 comprises relay 111 and the first tripping operation contact 112, the second tripping operation contact 113 and the 3rd tripping operation contact 114 that electrically connect with relay 111.Relay 111 electrically connects through the input of the first tripping operation contact 112 with the first non-electrical protective device 12, relay 111 also the input through the second tripping operation contact 113 and the second non-electrical protective device 13 electrically connect and through the 3rd trip contact 114 and the 3rd non-electrical protective device 14 the input electric connection.
What the output of first non-electrical protective device 12, the second non-electrical protective device 13 and the 3rd non-electrical protective device 14 was corresponding respectively gets the input that two logic output devices the 15 and the 23 get two logic output devices 16 and is connected with the one or three.Wherein, first non-electrical protective device 12, the second non-electrical protective device 13 and the 3rd non-electrical protective device 14 can be selected for use and permitted to continue the SBH-105A of Hitachi, Ltd protective device; The one or three gets two logic output devices the 15 and the 23 gets two logic output devices 16 and all has three inputs, three outputs, and when wherein at least two when being input as 1, output just is 1.
The change of current that utilizes the utility model to provide becomes non electrical quantity protection equipment 10; Any one secondary tripping operation junction closure in the first tripping operation contact 112, the second tripping operation contact 113 and the 3rd tripping operation contact 114; Change of current change non electrical quantity protection equipment 10 can not move jumps circuit breaker 111; Have only any two or three junction closures in the first tripping operation contact 112, the second tripping operation contact 113 and the 3rd tripping operation contact 114; The change of current becomes the one or three of non electrical quantity protection equipment 10 and gets two logic output devices the 15, the 23 and get the output of two logic output devices 16 and just can export tripping circuit breaker 111 concurrent ESOF signals and to the utmost point control the A of system, the utmost point control B of system, the protection malfunction of effectively having avoided single tripping operation contact fault to cause.
Claims (1)
1. the change of current becomes non electrical quantity protection equipment, it is characterized in that: the change of current becomes non electrical quantity protection equipment and comprises that relay module, the first non-electrical protective device, the second non-electrical protective device, the 3rd non-electrical protective device, the or three get two logic output devices and the two or three and get two logic output devices; The relay module comprises relay and the first tripping operation contact that electrically connects with relay, the second tripping operation contact and the 3rd tripping operation contact; Relay electrically connects through the input of the first tripping operation contact and the first non-electrical protective device, and relay also electrically connects and electrically connects through the 3rd tripping operation contact and the 3rd non-electrical protective device input through the input of the second tripping operation contact and the second non-electrical protective device; What the output of the first non-electrical protective device, the second non-electrical protective device and the 3rd non-electrical protective device was corresponding respectively gets the input that two logic output devices and the two or three get two logic output devices and is connected with the one or three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204202165U CN202260396U (en) | 2011-10-28 | 2011-10-28 | Non-electric protection equipment for converter transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204202165U CN202260396U (en) | 2011-10-28 | 2011-10-28 | Non-electric protection equipment for converter transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202260396U true CN202260396U (en) | 2012-05-30 |
Family
ID=46121581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204202165U Expired - Fee Related CN202260396U (en) | 2011-10-28 | 2011-10-28 | Non-electric protection equipment for converter transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202260396U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102403695A (en) * | 2011-11-22 | 2012-04-04 | 国网运行有限公司秦皇岛超高压管理处 | Transformer non-electrical quantity protection device and protection method |
| CN106207993A (en) * | 2016-08-02 | 2016-12-07 | 南京南瑞继保电气有限公司 | A kind of rapid protection system |
| CN109979145A (en) * | 2019-03-28 | 2019-07-05 | 中国能源建设集团广东省电力设计研究院有限公司 | A kind of tripping of converter station valve hall fire judgment method, apparatus and system |
-
2011
- 2011-10-28 CN CN2011204202165U patent/CN202260396U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102403695A (en) * | 2011-11-22 | 2012-04-04 | 国网运行有限公司秦皇岛超高压管理处 | Transformer non-electrical quantity protection device and protection method |
| CN106207993A (en) * | 2016-08-02 | 2016-12-07 | 南京南瑞继保电气有限公司 | A kind of rapid protection system |
| CN109979145A (en) * | 2019-03-28 | 2019-07-05 | 中国能源建设集团广东省电力设计研究院有限公司 | A kind of tripping of converter station valve hall fire judgment method, apparatus and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20131028 |