CN205506965U - Series compensation protection moves automatic emergence system - Google Patents
Series compensation protection moves automatic emergence system Download PDFInfo
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- CN205506965U CN205506965U CN201620246661.7U CN201620246661U CN205506965U CN 205506965 U CN205506965 U CN 205506965U CN 201620246661 U CN201620246661 U CN 201620246661U CN 205506965 U CN205506965 U CN 205506965U
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- 238000012360 testing method Methods 0.000 claims abstract description 111
- 238000004891 communication Methods 0.000 claims abstract description 27
- 238000003825 pressing Methods 0.000 claims description 59
- 230000008901 benefit Effects 0.000 claims description 38
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 8
- 230000009471 action Effects 0.000 abstract description 3
- 230000006870 function Effects 0.000 description 57
- 239000003990 capacitor Substances 0.000 description 5
- 230000009993 protective function Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000518 rheometry Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012956 testing procedure Methods 0.000 description 1
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Abstract
The utility model provides a series compensation protection moves automatic emergence system, include: series compensation protection automatic testing appearance and series compensation protection device, the current output passageway of series compensation protection automatic testing appearance, communication interface electric current input channel, the communication interface corresponding with the series compensation protection device respectively are connected, series compensation protection automatic testing appearance is used for throwing test current signal, protect function clamp plate and moves back signal, soft clamp plate and throw that move back the signal and the device to series compensation protection is sent to the protect function definite value, the series compensation protection device is used for throwing according to test current signal, protect function clamp plate and moves back signal, soft clamp plate and throw and move back that signal and protect function definite value are automatic to take place the series compensation protection action, generates the SOE message. Use the utility model provides a when series compensation protection moves automatic emergence system tests, can shorten test time, it is not high to tester's technical merit requirement, need not the tester and master more professional measuring technology and protection principle.
Description
Technical field
This utility model relates to power transmission technology field, mends protection act particularly to one string and system occurs automatically.
Background technology
Series capacitor compensation (string is mended) is the effective means improving alternating current circuit long distance delivery capacity, ground, current North China
Alternating current circuit, extra-high voltage 1000kV Xi Meng Shandong in a plurality of 500kV transmission line of alternation current, district and hot work in progress
All it is configured with series compensation device.String mends protection device by gathering the signal of each current transformer on series compensation platform, it determines string
Mend the running status of the elements such as series capacitor compensation, discharging gap, MOV and series compensation platform itself, it is achieved string is mended
The protection of device.String is mended and protects the content carrying out on-the-spot test to include capacitor super-load protection, capacitor unbalance
Protection, MOV overcurrent protection, MOV protecting energy, MOV temperature protection, MOV unbalance protection,
Gap is from triggering, refuse triggering, postponing trigger protection, the protection of gap constant conduction, insulated platform flashover protection, by-pass switch mistake
Spirit protection, circuit connection are jumped string and are mended the defencive functions such as protection, subsynchronous resonance protection, line current supervision.
Keep the scene intact test currently for string benefit, specifically do not test system, use use conventional relay guarantor
Protecting tester and carry out manual test, i.e. manual testing's system, test system below figure 1, testing procedure is as follows:
1) the three-phase current output channel of conventional relay-protection tester is mended the input of protection device corresponding electric current with string
Passage is connected；The output switch parameter passage of conventional relay-protection tester is mended the corresponding switching value of protection device with string
Input channel is connected；Tripping operation node (switching value) output channel that string is mended protection device is surveyed with conventional relay protection
The On-off signal passage of examination instrument is connected.
2) select to need the defencive function of test, such as MOV overcurrent protection, mend protection device upslide surrender at string and protect
Function pressing plate and soft pressing plate (control word), arrange protection definite value, completes the test to defencive function and prepares.
3) conventional relay-protection tester is used to specify the electric current of size according to protection philosophy with protection definite value output and hold
Continue the time, and the status signal of analog switch disconnecting link exports and mends protection device to string.
4) mend the action situation checking in protection device that string benefit is protected at string, analyze protection act the most correct.
In prior art, use conventional relay-protection tester to carry out manual test, there is following two defect:
1) testing time is long.Use conventional relay-protection tester to carry out manual test, be required for each protection
Function, arranges electric current and the switching value characteristic of conventional relay-protection tester output, the most also to mend protection device at string
On iterate through throwing surrender protective function pressing plate, revise soft pressing plate (control word) and different protection definite values, ability be set
Complete the test preparation to each defencive function, expend the time longer.
2) technical merit of tester is required higher, need tester grasp more professional measuring technology and
Protection philosophy.String mends protection device and common relay protection device is very different from principle to functional realiey, as
Really tester is unfamiliar with string and mends protection philosophy and the output characteristics of conventional relay-protection tester of protection device, then without
Method carries out correct test.
Utility model content
This utility model embodiment provides a kind of string benefit protection act and system occurs automatically so that the testing time is short, right
The technical merit of tester is less demanding, it is not necessary to tester grasps more professional measuring technology and protection philosophy.
This string is mended protection act and is automatically occurred system to include: string mends protection auto testing instrument and string mends protection device；
The electric current input channel of current output channels and string benefit protection device that described string mends protection auto testing instrument is connected；
Second communication interface of the first communication interface and string benefit protection device that described string mends protection auto testing instrument is connected；
Described string is mended protection auto testing instrument and is included current signal generative circuit and signal generating circuit；
Described current signal generative circuit, is used for generating test current signals；
Described signal generating circuit, is used for generating defencive function pressing plate and throws bounce number, soft pressing plate throwing bounce number and protection merit
Can definite value；
Described string mends protection auto testing instrument for being sent test current signals to described string by current output channels
Mend protection device；By the first communication interface, defencive function pressing plate is thrown bounce number, bounce number thrown by soft pressing plate and protection merit
Can definite value send to described string benefit protection device；
Described string mends protection device for receiving test current signals by electric current input channel；By the second communication interface
Receive defencive function pressing plate and throw bounce number, soft pressing plate throwing bounce number and defencive function definite value；According to test current signals,
Bounce number thrown by defencive function pressing plate, bounce number thrown by soft pressing plate and defencive function definite value occurs string to mend protection act automatically, raw
Become SOE message.
In one embodiment, described first communication interface is connected by netting twine with the second communication interface.
In one embodiment, described string is mended protection auto testing instrument and is also included switch tool signal generating circuit, is used for
Generate switch tool signal；
Described string is mended the first output switch parameter passage of protection auto testing instrument and is opened with the first of described string benefit protection device
Pass amount input channel connects；
Described string is mended protection auto testing instrument and is additionally operable to be sent by switch tool signal by the first output switch parameter passage
Protection device is mended to described string；
Described string is mended protection device and is additionally operable to by the first On-off signal channel reception switch tool signal；According to test
Bounce number thrown by current signal, switch tool signal, defencive function pressing plate, soft pressing plate throws bounce number and defencive function definite value
Automatically occur string to mend protection act, generate SOE message.
In one embodiment, described current signal generative circuit is additionally operable to generate the electricity corresponding with test current signals
Rheology ratio；
Described string is mended protection auto testing instrument and is additionally operable to be sent described electric current no-load voltage ratio to described by the first communication interface
String mends protection device；
Described string is mended protection device and is additionally operable to receive described electric current no-load voltage ratio by the second communication interface；According to test electric current letter
Number, bounce number thrown by electric current no-load voltage ratio, defencive function pressing plate, soft pressing plate is thrown bounce number and defencive function definite value and automatically gone here and there
Mend protection act, generate SOE message.
In one embodiment, this system also includes:
Described string is mended the second switch amount input channel of protection auto testing instrument and is opened with the second of described string benefit protection device
Pass amount output channel connects；
Described string is mended protection device and is additionally operable to, by second switch amount output channel, to string, the transmission of SOE message is mended protection
Auto testing instrument；
Described string is mended protection auto testing instrument and is additionally operable to receive SOE message by second switch amount input channel.
In one embodiment, described defencive function definite value is the defencive function definite value that corresponding string mends protection device
1.05 times or 0.95 times.
In this utility model embodiment, mend protection auto testing instrument by test current signals, defencive function pressure by string
Bounce number thrown by plate, bounce number thrown by soft pressing plate and defencive function definite value sends and mends in protection device to string, and string mends protection device
Throw bounce number according to test current signals, defencive function pressing plate, bounce number thrown by soft pressing plate and defencive function definite value is sent out automatically
Raw string mends protection act, it is not necessary to mends at string and iterates through throwing surrender protective function pressing plate in protection device, revise soft pressing plate
With different defencive function definite values is set, just can complete the test preparation to each defencive function, the testing time is short；
Less demanding to the technical merit of tester, it is not necessary to tester grasps more professional measuring technology and protection is former
Reason.
Accompanying drawing explanation
Accompanying drawing described herein is used for providing being further appreciated by of the present utility model, constitutes the part of the application,
It is not intended that restriction of the present utility model.In the accompanying drawings:
Fig. 1 is that the existing string of one that this utility model embodiment provides mends protection manual testing's system structure schematic diagram；
Fig. 2 is that a kind of string benefit protection act that this utility model embodiment provides occurs system structure schematic diagram automatically.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with embodiment and attached
Figure, is described in further details this utility model.Here, exemplary embodiment of the present utility model and explanation thereof
For explaining this utility model, but it is not intended as restriction of the present utility model.
Existing string is mended protection carry out on-the-spot test and be: use conventional relay-protection tester manually protection applying to be disturbed
Momentum is tested, and mending at string needs in protection device the most repeatedly to throw surrender protective function pressing plate, revise soft pressing plate and set
Put different defencive function definite values, just can complete the test preparation to each defencive function so that the testing time is long,
Tester is needed to grasp more professional measuring technology and protection philosophy.The problem existed for above-mentioned prior art, this
Utility model proposes one string benefit protection act and system occurs automatically.
Fig. 2 is that a kind of string benefit protection act that this utility model embodiment provides occurs system structure schematic diagram automatically, as
Shown in Fig. 2, this system includes: string mends protection auto testing instrument and string mends protection device；
The electric current input channel of current output channels and string benefit protection device that string mends protection auto testing instrument is connected；
Second communication interface of the first communication interface and string benefit protection device that described string mends protection auto testing instrument is connected,
Wherein, the first communication interface is connected by netting twine with the second communication interface；
Described string is mended protection auto testing instrument and is included current signal generative circuit and signal generating circuit；
Described current signal generative circuit, is used for generating test current signals；
Described signal generating circuit, is used for generating defencive function pressing plate and throws bounce number, soft pressing plate throwing bounce number and protection merit
Can definite value；
Described string mends protection auto testing instrument for being sent test current signals to described string by current output channels
Mend protection device；By the first communication interface, defencive function pressing plate is thrown bounce number, bounce number thrown by soft pressing plate and protection merit
Can definite value send to described string benefit protection device；
Described string mends protection device for receiving test current signals by electric current input channel；By the second communication interface
Receive defencive function pressing plate and throw bounce number, soft pressing plate throwing bounce number and defencive function definite value；According to test current signals,
Bounce number thrown by defencive function pressing plate, bounce number thrown by soft pressing plate and defencive function definite value occurs string to mend protection act automatically, raw
Become SOE message.
When being embodied as, according to the analysis to string benefit defencive function, string mends most of defencive functions of protection device
(such as capacitor protection, MOV protection, insulated platform flashover protection etc.) all have only to 1～2 group of magnitude of current input can be real
Existing defencive function, small part defencive function also needs to On-off signal.Therefore, string is mended and is protected auto testing instrument also to include
Switch tool signal (switching value) generative circuit, is used for generating switch tool signal.Need that string is mended protection automatically to survey
The first On-off signal passage that first output switch parameter passage of examination instrument mends protection device with string is connected.Described string is mended and is protected
Protect auto testing instrument to be additionally operable to be sent switch tool signal to described string benefit protection by the first output switch parameter passage
Device；Described string is mended protection device and is additionally operable to by the first On-off signal channel reception switch tool signal；According to survey
Bounce number thrown by examination current signal, switch tool signal, defencive function pressing plate, bounce number thrown by soft pressing plate and defencive function is fixed
Value occurs string to mend protection act automatically, generates SOE message.
When being embodied as, if string mends protection auto testing instrument and string is mended protection device and communicated and connect electricity in advance
Circulation road and/or switching value passage, it is possible to mend the defencive function definite value of protection device, defencive function by controlling string
Pressing plate throwing is moved back, the throwing of soft pressing plate is moved back, benefit of going here and there protects the current channel output of auto testing instrument and switching value passage to export, in fact
The most automatically test.
When being embodied as, when mending output electric current and/or switching value on protection auto testing instrument by string, can be according to life
String is mended the defencive function definite value of protection device and is carried out automatic adjusting by the defencive function definite value become, and mends protection dress according to string
0.95 times or 1.05 times of the defencive function definite value put exports, the corresponding defencive function of test.
When being embodied as, mending the electric current of protection device collection due to string is the primary current that string mends in protection device, and goes here and there
Mend protection auto testing instrument and can only send secondary current, need to arrange the no-load voltage ratio of passage while arranging current channel.
No-load voltage ratio is to be converted to primary current after string mends the secondary current value that protection device reception string benefit protection auto testing instrument sends
The multiple that need to be multiplied by, no-load voltage ratio is x/1, if two sub-values are 5A, needs conversion, and such as 15/5, should to input be 3 (3/1).
Therefore, current signal generative circuit is additionally operable to generate the electric current no-load voltage ratio corresponding with test current signals；Described string is mended and is protected
Protect auto testing instrument to be additionally operable to be sent described electric current no-load voltage ratio to described string benefit protection device by the first communication interface；Institute
State string benefit protection device to be additionally operable to receive described electric current no-load voltage ratio by the second communication interface；According to test current signals, electricity
Bounce number thrown by rheology ratio, defencive function pressing plate, bounce number thrown by soft pressing plate and defencive function definite value occurs string to mend protection automatically
Action, generates SOE message.
When being embodied as, described string is mended the second switch amount input channel of protection auto testing instrument and can also be mended with described string
The second switch amount output channel of protection device connects；Described string is mended protection device and is additionally operable to be exported by second switch amount
SOE message is sent to string to mend by passage protects auto testing instrument；Described string is mended protection auto testing instrument and is additionally operable to pass through
Second switch amount input channel receives SOE message.
The process using this utility model system to carry out testing is as follows:
1) string benefit protection auto testing instrument and string benefit protection device are attached by the connected mode being first according to Fig. 2:
(must by the electric current input channel connection that the current output channels of string benefit protection auto testing instrument and string mend protection device
Must)；Output switch parameter passage and string that string is mended protection auto testing instrument mend the On-off signal passage of protection device even
Connect (optional, when need not switching value, this passage can be not connected to)；String is mended the switch of protection auto testing instrument
Amount input channel and string are mended the output switch parameter passage of protection device and are connected；By string mend protection tester communication interface and
String is mended the communication interface of protection device and is used netting twine to connect (necessary).
2) select need test defencive function, string mend protection auto testing instrument by corresponding test current signals and/
Or bounce number thrown by switch tool signal, electric current no-load voltage ratio, defencive function pressing plate, bounce number thrown by soft pressing plate and defencive function is fixed
Value sends to string benefit protection device.
3) string is mended and is protected auto testing instrument to start automatically to test to selected string benefit defencive function, and string mends protection device root
Bounce number, soft is thrown according to corresponding test current signals and/or switch tool signal, electric current no-load voltage ratio, defencive function pressing plate
Bounce number thrown by pressing plate and defencive function definite value occurs string to mend protection act automatically, generates SOE message, automatically tests knot
Shu Hou, analyzes test result the most correct.
In sum, when using the string that the utility model proposes benefit protection act automatically to occur system to test, pass through
String is mended protection auto testing instrument and test current signals, defencive function pressing plate is thrown bounce number, soft pressing plate throwing bounce number and protected
Protective function definite value sends mends in protection device to string, and string mends protection device according to test current signals, defencive function pressing plate
Throw bounce number, bounce number thrown by soft pressing plate and defencive function definite value occurs string to mend protection act automatically, it is not necessary to mends at string and protects
Iterate through throwing surrender protective function pressing plate on protection unit, revise soft pressing plate and different defencive function definite values is set, with regard to energy
Completing the test preparation to each defencive function, the testing time is short；It is less demanding to the technical merit of tester,
More professional measuring technology and protection philosophy is grasped without tester.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for this
For the technical staff in field, this utility model embodiment can have various modifications and variations.All of the present utility model
Within spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in guarantor of the present utility model
Within the scope of protecting.
Claims (6)
1. automatically there is system in a string benefit protection act, it is characterised in that including: string mends protection auto testing instrument
Protection device is mended with string；
The electric current input channel of current output channels and string benefit protection device that described string mends protection auto testing instrument is connected；
Second communication interface of the first communication interface and string benefit protection device that described string mends protection auto testing instrument is connected；
Described string is mended protection auto testing instrument and is included current signal generative circuit and signal generating circuit；
Described current signal generative circuit, is used for generating test current signals；
Described signal generating circuit, is used for generating defencive function pressing plate and throws bounce number, soft pressing plate throwing bounce number and protection merit
Can definite value；
Described string mends protection auto testing instrument for being sent test current signals to described string by current output channels
Mend protection device；By the first communication interface, defencive function pressing plate is thrown bounce number, bounce number thrown by soft pressing plate and protection merit
Can definite value send to described string benefit protection device；
Described string mends protection device for receiving test current signals by electric current input channel；By the second communication interface
Receive defencive function pressing plate and throw bounce number, soft pressing plate throwing bounce number and defencive function definite value；According to test current signals,
Bounce number thrown by defencive function pressing plate, bounce number thrown by soft pressing plate and defencive function definite value occurs string to mend protection act automatically, raw
Become SOE message.
2. automatically there is system in string benefit protection act as claimed in claim 1, it is characterised in that described first leads to
Letter interface and the second communication interface are connected by netting twine.
3. automatically there is system in string benefit protection act as claimed in claim 1, it is characterised in that described string is mended and protected
Protect auto testing instrument and also include switch tool signal generating circuit, be used for generating switch tool signal；
Described string is mended the first output switch parameter passage of protection auto testing instrument and is opened with the first of described string benefit protection device
Pass amount input channel connects；
Described string is mended protection auto testing instrument and is additionally operable to be sent by switch tool signal by the first output switch parameter passage
Protection device is mended to described string；
Described string is mended protection device and is additionally operable to by the first On-off signal channel reception switch tool signal；According to test
Bounce number thrown by current signal, switch tool signal, defencive function pressing plate, soft pressing plate throws bounce number and defencive function definite value
Automatically occur string to mend protection act, generate SOE message.
4. automatically there is system in string benefit protection act as claimed in claim 1, it is characterised in that described electric current is believed
Number generative circuit is additionally operable to generate the electric current no-load voltage ratio corresponding with test current signals；
Described string is mended protection auto testing instrument and is additionally operable to be sent described electric current no-load voltage ratio to described by the first communication interface
String mends protection device；
Described string is mended protection device and is additionally operable to receive described electric current no-load voltage ratio by the second communication interface；According to test electric current letter
Number, bounce number thrown by electric current no-load voltage ratio, defencive function pressing plate, soft pressing plate is thrown bounce number and defencive function definite value and automatically gone here and there
Mend protection act, generate SOE message.
5. automatically there is system in the string benefit protection act as described in claim 1,3 or 4, it is characterised in that also wraps
Include:
Described string is mended the second switch amount input channel of protection auto testing instrument and is opened with the second of described string benefit protection device
Pass amount output channel connects；
Described string is mended protection device and is additionally operable to, by second switch amount output channel, to string, the transmission of SOE message is mended protection
Auto testing instrument；
Described string is mended protection auto testing instrument and is additionally operable to receive SOE message by second switch amount input channel.
6. automatically there is system in string benefit protection act as claimed in claim 1, it is characterised in that described protection merit
Energy definite value is 1.05 times or 0.95 times that corresponding string mends the defencive function definite value of protection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620246661.7U CN205506965U (en) | 2016-03-28 | 2016-03-28 | Series compensation protection moves automatic emergence system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620246661.7U CN205506965U (en) | 2016-03-28 | 2016-03-28 | Series compensation protection moves automatic emergence system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205506965U true CN205506965U (en) | 2016-08-24 |
Family
ID=56734446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620246661.7U Active CN205506965U (en) | 2016-03-28 | 2016-03-28 | Series compensation protection moves automatic emergence system |
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| CN (1) | CN205506965U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110632412A (en) * | 2019-08-23 | 2019-12-31 | 中国南方电网有限责任公司超高压输电公司南宁局 | Test method of series compensation protection device |
-
2016
- 2016-03-28 CN CN201620246661.7U patent/CN205506965U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110632412A (en) * | 2019-08-23 | 2019-12-31 | 中国南方电网有限责任公司超高压输电公司南宁局 | Test method of series compensation protection device |
| CN110632412B (en) * | 2019-08-23 | 2022-08-02 | 中国南方电网有限责任公司超高压输电公司南宁局 | Test method of series compensation protection device |
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