CN104052015A - Relay protection device definite value region remote switching method - Google Patents
Relay protection device definite value region remote switching method Download PDFInfo
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- CN104052015A CN104052015A CN201410275353.2A CN201410275353A CN104052015A CN 104052015 A CN104052015 A CN 104052015A CN 201410275353 A CN201410275353 A CN 201410275353A CN 104052015 A CN104052015 A CN 104052015A
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Abstract
A relay protection device definite value region remote switching method comprises the steps that firstly, independent definite value region group numbers are formed; secondly, a current definite value region group makes a remote call; thirdly, a protection device definite value region group is set remotely; fourthly, a definite value is called; fifthly, the definite value is verified; lastly, a result is processed correspondingly according to the definite value. By the adoption of a flexible and efficient mode, a dispatcher can complete definite value calling and checking work including definite value region switching in an untended substation and verification of the definite value after switching in a dispatch room, and the purpose of dual confirmation after field definite value region switching is achieved by verifying the switched definite value region number and definite value calling and checking; as a result, manpower and materials required by operators to conduct definite value region switching on site, switching operation time and power supply time are saved, and stable operation of an electric power system and power supply reliability and power supply safety in production and life of people are better guaranteed.
Description
Technical field
The invention belongs to field of relay protection in power, particularly a kind of protective relaying device definite value district distant place changing method.
Background technology
Power network development is rapid at present, and most of transformer stations have all become unattended substation.Needed in the past the work that field operator carries out to be undertaken by remote operation, such as: capacitor etc. is moved back in adjust operation mode, drawing switch, operation monitoring, adjustment tap, throwing.Dui transformer station carries out after the grid switching operation of a distant place; operational mode is changed; during especially by other bus power transmission; need to switch relay protection constant value district; this just needs field operator to go to scene to carry out the switching of definite value district; need scene to have access to definite value and scheduling is checked, waste of manpower, material resources have also increased the time of grid switching operation and power transmission.
Electrical network has generally been realized the Network Transmitting of telecontrol information, and telecontrol system has larger broadband nargin.The requirement of real-time of considering relay protection device management is limited; by telemechanical apparatus to protective relaying device adjust management be feasible; the invention original intention of thinking this method in full accord of this way and the local function of unattended station reduction plant stand end is not only the microcomputer protecting device of different manufacturers is realized to the distant place regulation and control under live state; and can realize microcomputer protecting device and advanced dispatch automated system is combined closely, greatly promoted automation and the level of IT application of relay protection management.
Summary of the invention
The present invention is directed to above problem; a kind of protective relaying device definite value district distant place changing method is provided; check the definite value of definite value and have access to work in the definite value district that makes dispatcher just can complete unattended substation in control room after switching and switching; save human and material resources, shorten the time of grid switching operation and power transmission.
Technical solution of the present invention is:
A protective relaying device definite value district distant place changing method, carries out according to the following steps:
1) the definite value district of protective device being carried out to definite value district group number sets
Definite value district group number is an independently group, and distant place main website is called and can be got its group number by group; In definite value district group number, only has an entry that numbering is unique, for depositing current definite value area code;
2) the calling current operation definite value of protective device district
The group number universal classification read command of definite value district is sent out to the protective device in transformer station by distant place main website, reads current operation definite value group number actual value; When protective device, receive after the group number read command of definite value district, carry out grouped data response command, the definite value area code of the current operation of protective device is uploaded to distant place main website;
3) a group distant place, protective device definite value district is set
The definite value district of power system operating mode before regulation and control personnel are fated according to current operational mode set symbol: definite value district group number universal classification write order is sent out to the protective device in transformer station by distant place main website, sets current operation definite value number group actual value; When protective device, receive after definite value district group number universal classification write order, protective device carries out definite value district group number universal classification data response command, the definite value group of protective device is reset, and the definite value area code setting is uploaded to distant place main website:
4) distant place main website carries out the calling of definite value district to the definite value district setting: with step 2);
5) the definite value district setting is carried out to definite value calling: definite value universal classification read command is sent out to the protective device in transformer station by distant place main website, read the definite value in current protective device operation definite value district; When protective device, receive after definite value universal classification read command, carry out grouped data response command, the definite value of the definite value area code of the current operation of protective device is uploaded to distant place main website;
6) regulation and control personnel whether check switched definite value district definite value consistent with fixed value list: definite value and fixed value list that protective device is uploaded are checked, and as consistent distant place definite value district handover success, finish;
7) as inconsistent, need operations staff to carry out on-the-spot definite value district and switch, finish.
Described step 4)-step 5) is for by two objects of confirming after checking of switching that rear definite value area code and definite value have access to reached to on-the-spot definite value district switching.
Through server, the latticed form by telecontrol channel switches definite value district and checks the operation of definite value the protective device in connected transformer station in main website in the distance.
The present invention can realize regulation and control personnel according to the variation of current operational mode; the adjustment of load tap changer, capacitor are thrown and are moved back and load condition etc., convenient, flexibly in control room, the definite value district of protective relaying device is carried out fast distant place switching and switch after check definite value definite value have access to work.Check the definite value of definite value and have access to work in the definite value district that makes dispatcher just can complete unattended substation in control room after switching and switching, by two objects of confirming after checking of switching that rear definite value area code and definite value have access to reached to on-the-spot definite value district switching, thereby saved operations staff and gone human and material resources that Context switches definite value district produces and the time of grid switching operation and power transmission, better guaranteed the stable operation of electric power system and the power supply reliability of productive life and power supply safety.
Accompanying drawing explanation
Fig. 1 workflow diagram of the present invention;
Fig. 2 is fundamental diagram of the present invention;
In figure, solid line represents that main website sends to protective device reads (writing) order, calls definite value district, calling definite value, switches the order in definite value district; In figure, dotted line represents the corresponding command that protective device sends, and Ji Xiang main website uploads definite value district, uploads definite value, carries out the order of switching definite value.
Embodiment
Below in conjunction with Fig. 1, Fig. 2, further illustrate the present invention.
This protective relaying device definite value district distant place changing method, through server, the latticed form by telecontrol channel switches definite value district and checks the operation of definite value the protective device in connected transformer station in centralized control center main website in the distance.
Carry out according to the following steps:
1) the definite value district of protective device is carried out to definite value district group number and set, definite value district group number is an independently group, and distant place main website is called and can be got its group number by group.In definite value area code group, only has an entry that numbering is unique; be used for depositing current definite value area code (being each definite value district of different protective devices as the definite value district group number part of Fig. 2 is just corresponding, as the first definite value district group number of the protection 2 at A station be " 01H ", to protect the second definite value district group number of 2 be " 02H ").
2) the calling current operation definite value of protective device district: the group number universal classification read command of definite value district is sent out to the protective device in transformer station by distant place main website, reads the definite value district that current operation definite value number group actual value (path is the solid line part in Fig. 2) for example reads the protection at A station.When protective device is received after the group number read command of definite value district; carry out grouped data response command (dotted portion in path profile 2); the definite value area code of the current operation of protective device is uploaded to distant place main website; by the dotted portion in path profile 2, " the definite value district group number " 02H " of the operation of the protection 2 at A station " is uploaded to main website, main website receives rear demonstration " the definite value district of A station protection 2 is 2nd district ".
3) a group distant place, protective device definite value district is set; the definite value district of power system operating mode before regulation and control personnel are fated according to current operational mode set symbol: definite value district group number universal classification write order is sent out to the protective device in transformer station by distant place main website; set current operation definite value number group actual value; the definite value district that for example needs to switch the protection 2 at A station switches to 1st district from 2nd district, and the protection 2 " 02H " that write order A station is sent out by main website is replaced by " 01H ".When protective device is received after definite value district group number universal classification write order; protective device carries out definite value district group number universal classification data response command (the definite value group number of A station protection 2 will be replaced by " 01H " by " 02H "); definite value group to protective device resets; and the definite value area code setting is uploaded to distant place main website, the definite value district of the protection 2 at A station switches to 1st district from 2nd district.
4) the definite value district setting is carried out to the calling of definite value district: step is with 2).
5) the definite value district setting is carried out to definite value calling: definite value universal classification read command is sent out to the protective device in transformer station by distant place main website; (path is the solid line part in Fig. 2) reads the definite value in current protective device operation definite value district, reads the definite value in the protection 2 operation at present definite value district at A station).When protection 2 devices at A station, receive after definite value universal classification read command, carry out grouped data response command (dotted portion in path profile 2), the definite value in the protection at A station 2 operation at present definite value district is uploaded to distant place main website.
6) regulation and control personnel whether check switched definite value district definite value consistent with fixed value list: definite value and fixed value list that protective device is uploaded are checked, and as consistent distant place definite value district handover success, finish.
7) as inconsistent, need operations staff to carry out on-the-spot definite value district and switch, finish.
The definite value area code group of described step 1) is 1 independently group, and main website is called and can be got its group number by group.
Described step 4)-step 5) is for by two objects of confirming after checking of switching that rear definite value area code and definite value have access to reached to on-the-spot definite value district switching.
Through server, the latticed form by telecontrol channel switches definite value district and checks the operation of definite value the protective device in connected transformer station in main website in the distance.
The present invention can realize regulation and control personnel according to the variation of current operational mode, and the adjustment of load tap changer, capacitor are thrown and moved back and convenience such as load condition, the definite value of in control room, the definite value district of protective relaying device being carried out fast checking after distant place switching and switching flexibly definite value are had access to work.Thereby saved operations staff and gone human and material resources that Context switches definite value district produces and the time of grid switching operation and power transmission, better guaranteed the stable operation of electric power system and power supply reliability and the power supply safety of people's productive life.
Claims (3)
1. a protective relaying device definite value district distant place changing method, is characterized in that: carry out according to the following steps:
1) the definite value district of protective device being carried out to definite value district group number sets
Definite value district group number is an independently group, and distant place main website is called and can be got its group number by group; In definite value district group number, only has an entry that numbering is unique, for depositing current definite value area code;
2) the calling current operation definite value of protective device district
The group number universal classification read command of definite value district is sent out to the protective device in transformer station by distant place main website, reads current operation definite value group number actual value; When protective device, receive after the group number read command of definite value district, carry out grouped data response command, the definite value area code of the current operation of protective device is uploaded to distant place main website;
3) a group distant place, protective device definite value district is set
The definite value district of power system operating mode before regulation and control personnel are fated according to current operational mode set symbol: definite value district group number universal classification write order is sent out to the protective device in transformer station by distant place main website, sets current operation definite value number group actual value; When protective device, receive after definite value district group number universal classification write order, protective device carries out definite value district group number universal classification data response command, the definite value group of protective device is reset, and the definite value area code setting is uploaded to distant place main website:
4) distant place main website carries out the calling of definite value district to the definite value district setting: with step 2);
5) the definite value district setting is carried out to definite value calling
Definite value universal classification read command is sent out to the protective device in transformer station by distant place main website, reads the definite value in current protective device operation definite value district; When protective device, receive after definite value universal classification read command, carry out grouped data response command, the definite value of the definite value area code of the current operation of protective device is uploaded to distant place main website;
6) regulation and control personnel whether check switched definite value district definite value consistent with fixed value list: definite value and fixed value list that protective device is uploaded are checked, and as consistent distant place definite value district handover success, finish;
7) as inconsistent, need operations staff to carry out on-the-spot definite value district and switch, finish.
2. a protective relaying device definite value district distant place changing method, is characterized in that: through server, the latticed form by telecontrol channel switches definite value district and checks the operation of definite value the protective device in connected transformer station in main website in the distance.
3. a protective relaying device definite value district distant place changing method, is characterized in that: described step 4)-5) for by two objects of confirming after checking of switching that rear definite value area code and definite value have access to reached to on-the-spot definite value district switching.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410275353.2A CN104052015B (en) | 2014-06-20 | 2014-06-20 | Relay protection device constant value district distant place changing method |
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| CN201410275353.2A CN104052015B (en) | 2014-06-20 | 2014-06-20 | Relay protection device constant value district distant place changing method |
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| CN104052015A true CN104052015A (en) | 2014-09-17 |
| CN104052015B CN104052015B (en) | 2016-08-24 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105159178A (en) * | 2015-10-19 | 2015-12-16 | 南京国电南自轨道交通工程有限公司 | Object-based fixed value area sequential switching program control method |
| CN106532660A (en) * | 2016-10-31 | 2017-03-22 | 云南电网有限责任公司 | Master station system with relay setting change, remote system and control method |
| CN107104509A (en) * | 2017-05-05 | 2017-08-29 | 国家电网公司 | A kind of method, main website, stability control device and the system in long-range switching definite value area |
| CN107947105A (en) * | 2017-12-07 | 2018-04-20 | 国网河北省电力有限公司电力科学研究院 | A kind of method of discrimination of relay protection online modification definite value strategy on the spot |
| CN109842208A (en) * | 2018-12-26 | 2019-06-04 | 广东电网有限责任公司 | The anti-misoperation method and device that a kind of automatic safety device fixed value list distant place issues |
| CN110165631A (en) * | 2019-05-10 | 2019-08-23 | 中国南方电网有限责任公司 | A kind of relay protection device constant value distant place check method |
| CN111130061A (en) * | 2019-12-05 | 2020-05-08 | 国网辽宁省电力有限公司锦州供电公司 | Remote switching control method for relay protection device constant value area |
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| CN101714780A (en) * | 2008-10-07 | 2010-05-26 | 上海思南电力通信有限公司 | Relay protection running management information system |
| CN102709888A (en) * | 2012-05-25 | 2012-10-03 | 广州供电局有限公司 | Method and system of on-line fixed value operation of signal protection substation |
| CN103426128A (en) * | 2013-08-29 | 2013-12-04 | 国家电网公司 | Self-adaptation relay protection constant value switching method based on power distribution network dispatching system |
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Patent Citations (3)
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| CN101714780A (en) * | 2008-10-07 | 2010-05-26 | 上海思南电力通信有限公司 | Relay protection running management information system |
| CN102709888A (en) * | 2012-05-25 | 2012-10-03 | 广州供电局有限公司 | Method and system of on-line fixed value operation of signal protection substation |
| CN103426128A (en) * | 2013-08-29 | 2013-12-04 | 国家电网公司 | Self-adaptation relay protection constant value switching method based on power distribution network dispatching system |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105159178A (en) * | 2015-10-19 | 2015-12-16 | 南京国电南自轨道交通工程有限公司 | Object-based fixed value area sequential switching program control method |
| CN106532660A (en) * | 2016-10-31 | 2017-03-22 | 云南电网有限责任公司 | Master station system with relay setting change, remote system and control method |
| CN107104509A (en) * | 2017-05-05 | 2017-08-29 | 国家电网公司 | A kind of method, main website, stability control device and the system in long-range switching definite value area |
| CN107104509B (en) * | 2017-05-05 | 2020-02-04 | 国家电网公司 | Method, main station, stability control device and system for remotely switching fixed value area |
| CN107947105A (en) * | 2017-12-07 | 2018-04-20 | 国网河北省电力有限公司电力科学研究院 | A kind of method of discrimination of relay protection online modification definite value strategy on the spot |
| CN107947105B (en) * | 2017-12-07 | 2019-06-04 | 国网河北省电力有限公司电力科学研究院 | A kind of method of discrimination of relay protection online modification definite value strategy on the spot |
| CN109842208A (en) * | 2018-12-26 | 2019-06-04 | 广东电网有限责任公司 | The anti-misoperation method and device that a kind of automatic safety device fixed value list distant place issues |
| CN109842208B (en) * | 2018-12-26 | 2023-01-20 | 广东电网有限责任公司 | Anti-error method and device for remote issuing of fixed value list of safety automatic device |
| CN110165631A (en) * | 2019-05-10 | 2019-08-23 | 中国南方电网有限责任公司 | A kind of relay protection device constant value distant place check method |
| CN111130061A (en) * | 2019-12-05 | 2020-05-08 | 国网辽宁省电力有限公司锦州供电公司 | Remote switching control method for relay protection device constant value area |
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| CN104052015B (en) | 2016-08-24 |
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