CN203014344U - Non-electricity protection system of converter transformer or smoothing reactor - Google Patents
Non-electricity protection system of converter transformer or smoothing reactor Download PDFInfo
- Publication number
- CN203014344U CN203014344U CN 201220718254 CN201220718254U CN203014344U CN 203014344 U CN203014344 U CN 203014344U CN 201220718254 CN201220718254 CN 201220718254 CN 201220718254 U CN201220718254 U CN 201220718254U CN 203014344 U CN203014344 U CN 203014344U
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- electrical quantity
- smoothing reactor
- electricity
- protection
- non electrical
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Abstract
The utility model discloses a non-electricity protection system of a converter transformer or a smoothing reactor. The system comprises a non-electricity body component possessing three pairs of independent output contacts. The contacts of a protection outlet of the non-electricity body component are connected to switch-in loops of three independent non-electricity protection apparatuses respectively. The outlets of the three non-electricity protection apparatuses are simultaneously connected to two sets of independent two-out-of-three logic trips respectively. The system of the utility model has the following advantages that non-electricity protection maloperation of the converter transformer/ the smoothing reactor can be effectively prevented; monopole/ double pole locking faults of a direct current converter station caused by the non-electricity protection maloperation are reduced; operation reliability of the direct current converter station and operation stability of a direct current network engineering are increased.
Description
Technical field
The utility model relates to the non electrical quantity protection system of a kind of change of current change or smoothing reactor.
Background technology
The non electrical quantity protection majority of the change of current change/smoothing reactor of at present domestic DC converter station follows conventional AC Substation transformer non-electricity protection; adopt the mode of two non electrical quantity elements " two get " tripping operation; malfunction easily occurs in this protected mode, and is annual because non electrical quantity protection fault causes repeatedly DC converter station monopolar/bipolar locking fault.
The utility model content
The utility model has overcome shortcoming of the prior art; the non electrical quantity protection system of a kind of change of current change or smoothing reactor is provided; can effectively prevent change of current change/smoothing reactor non electrical quantity protection malfunction; reduce non electrical quantity protection malfunction and cause DC converter station monopolar/bipolar locking fault, improve the operational reliability of DC converter station and the operation stability of DC networking project.
The technical solution of the utility model is: the non electrical quantity protection system of a kind of change of current change or smoothing reactor; comprise the body non electrical quantity element with three secondary independent output contacts; the contact of the protection of body non electrical quantity element outlet be connected to respectively three independently non-electricity protecting device open entry loop, the outlet of three non-electricity protecting devices is connected to simultaneously respectively two covers and independently three gets two logics tripping operations.
Compared with prior art, the utility model has the advantages that: by this " three get two " mode of change of current change/smoothing reactor non electrical quantity of the present utility model protection: the non electrical quantity protection adopt three cover hardware and power supply independently, the identical protection channel of function, work simultaneously, " three get two " mode is adopted in output; When wherein a cover protection channel is when out of service, " two get one " mode is taked in all the other two cover protection channels outputs.In this manner, the probability that breaks down simultaneously due to two cover protections is very little; The malfunction of a protection channel fault, another two passages are normal, and protection can not export; The tripping of a protection channel fault, another two passages still can correct operations, and protection can tripping, protection equipment malfunction and the tripping that therefore can avoid any fault of cover protective device own to cause.
Description of drawings
The utility model will illustrate by example and with reference to the mode of accompanying drawing, wherein:
Fig. 1 is system configuration schematic diagram of the present utility model.
Embodiment
The non electrical quantity protection system of a kind of change of current change or smoothing reactor; as shown in Figure 1; comprise: the 3rd output contact 13 of the first output contact 11 of body non electrical quantity element, the second output contact 12 of body non electrical quantity element, body non electrical quantity element, the first non-electricity protecting device 21, the second non-electricity protecting device 22, the 3rd non-electricity protecting device 23, two covers three are got two logic tripping operations 31 and 32, wherein:
the first output contact 11 of body non electrical quantity element, the 3rd independent setting of output contact 13 of the second output contact 12 of body non electrical quantity element and body non electrical quantity element, the input of body non electrical quantity element connects respectively three road independent current sources, and the contact of the outlet of protection separately is connected to respectively three independently the first non-electricity protecting devices 21, the second non-electricity protecting device 22 and the 3rd non-electricity protecting device 23 open entry loop, the first non-electricity protecting device 21, the outlet of the second non-electricity protecting device 22 and the 3rd non-electricity protecting device 23 is connected to respectively two covers and independently three gets two logic tripping operations 31 and 32.Circuit breaker trip is received respectively in two three outlets of getting two logic tripping operations.
Operation principle of the present utility model is: the entry loop of opening that overlaps non-electricity protecting device independently by three protection outlet contact respectively to three of the body non electrical quantity element that acts on tripping operation that independently arranges; Then three outlets of overlapping non-electricity protecting device independently are respectively by the independently outlet after the judgement of " three get two " protection logic of two covers.
Claims (3)
1. the non electrical quantity protection system of a change of current change or smoothing reactor; it is characterized in that: comprise the body non electrical quantity element with three secondary independent output contacts; the contact of the protection of body non electrical quantity element outlet be connected to respectively three independently non-electricity protecting device open entry loop, the outlet of three non-electricity protecting devices is connected to simultaneously respectively two covers and independently three gets two logics tripping operations.
2. the non electrical quantity protection system of a kind of change of current change according to claim 1 or smoothing reactor, it is characterized in that: the input of described body non electrical quantity element connects respectively three road independent current sources.
3. the non electrical quantity protection system of a kind of change of current change according to claim 1 or smoothing reactor is characterized in that: two covers three are got the outlets of two logics tripping operations and are received respectively circuit breaker trip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220718254 CN203014344U (en) | 2012-12-24 | 2012-12-24 | Non-electricity protection system of converter transformer or smoothing reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220718254 CN203014344U (en) | 2012-12-24 | 2012-12-24 | Non-electricity protection system of converter transformer or smoothing reactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203014344U true CN203014344U (en) | 2013-06-19 |
Family
ID=48605901
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220718254 Expired - Lifetime CN203014344U (en) | 2012-12-24 | 2012-12-24 | Non-electricity protection system of converter transformer or smoothing reactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203014344U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109659898A (en) * | 2018-12-05 | 2019-04-19 | 中国南方电网有限责任公司超高压输电公司广州局 | A kind of high voltage direct current dry-type air-core reactor non-electric quantity protection system |
| CN110034538A (en) * | 2019-03-28 | 2019-07-19 | 中国南方电网有限责任公司超高压输电公司柳州局 | A kind of dry reactor non-ionizing energy loss system |
-
2012
- 2012-12-24 CN CN 201220718254 patent/CN203014344U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109659898A (en) * | 2018-12-05 | 2019-04-19 | 中国南方电网有限责任公司超高压输电公司广州局 | A kind of high voltage direct current dry-type air-core reactor non-electric quantity protection system |
| CN110034538A (en) * | 2019-03-28 | 2019-07-19 | 中国南方电网有限责任公司超高压输电公司柳州局 | A kind of dry reactor non-ionizing energy loss system |
| CN110034538B (en) * | 2019-03-28 | 2020-09-29 | 中国南方电网有限责任公司超高压输电公司柳州局 | Dry-type reactor non-electric quantity protection system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHINA POWER ENGINEERING CONSULTING GROUP SOUTHWEST Free format text: FORMER NAME: SOUTHWEST ELECTRIC POWER DESIGN INSTITUTE OF CHINA POWER ENGINEERING CONSULTING GROUP CORPORATION |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 610021 Dongfeng Road, Chengdu, Sichuan, No. 18, No. Patentee after: Southwest Electric Power Design Institute CO., Ltd. of China Power Engineering Consulting Group Address before: 610021 Dongfeng Road, Chengdu, Sichuan, No. 18, No. Patentee before: SOUTHWEST ELECTRIC POWER DESIGN INSTITUTE OF CHINA POWER ENGINEERING CONSULTING Group Corp. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130619 |