CN106295919A - A kind of distribution transformer protection definite value automatic adjusting interface system - Google Patents
A kind of distribution transformer protection definite value automatic adjusting interface system Download PDFInfo
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- CN106295919A CN106295919A CN201510241773.3A CN201510241773A CN106295919A CN 106295919 A CN106295919 A CN 106295919A CN 201510241773 A CN201510241773 A CN 201510241773A CN 106295919 A CN106295919 A CN 106295919A
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Abstract
The present invention relates to a kind of automatic adjusting interface, particularly to a kind of distribution transformer protection definite value automatic adjusting interface system.It is the distribution transformer protection seting analysis of power system and power distribution network transforming plant protecting is adjusted technical field.It is made up of upgrading data and two interfaces of basic data, and wherein upgrading data interface is duty interface, it is possible to display output Global Macros value data；Data management interface based on basic data interface, switches each other for protecting the correction of adjusting of definite value, described upgrading data interface and basic data interface to realize.The present invention can reasonably send warning information, dispose fault in time; realize protection device action request quick, sensitive, reliable, selective; complete to protect definite value accurately and quickly to configure output; the particularly setting of the configuration output function of distribution substation Global Macros definite value; achieve protection device sensitive with reliable action, it is ensured that intelligent distribution network safely and steadily runs.
Description
Technical field
The present invention relates to a kind of automatic adjusting interface, particularly to a kind of distribution transformer protection definite value automatic adjusting interface system.It is the distribution transformer protection seting analysis of power system and power distribution network transforming plant protecting is adjusted technical field.
Background technology
The tranformer protection of system for distribution network of power is adjusted; according to national standard " Protection Technology code " (GB14285-2006) and State Grid's industry standard " 3-110kV grid relay protective apparatus runs code of adjusting " (DL/T584-95) requirement; new upper equipment protecting equipment is carried out regulation experiment, the equipment protecting equipment run is carried out periodic check work.
Protection definite value is the core data of protection device functional realiey, and configuration protection definite value is highly important fast and accurately.Fixed value calculation is typically by being accomplished manually, and method draws related data for applying mechanically multiple formula, often can select the difference of coefficient because of calculating process, brings the difference of protection definite value, and set-point calculates and causes uncertainty.Using manual calculation, owing to calculating complexity, mistake in computation can easily occur by repeatability calculating process, reduce work efficiency, it addition, the definite value inventory in input microcomputer, need papery to print, waste substantial amounts of paper and printing consumables, add office cost.Along with the development of intelligent power distribution net, bring the work of distribution substation protection seting increasing, then calculated and papery printing by artificial, can not meet the requirement of intelligent power distribution net development.
Summary of the invention
The present invention is directed to the problems referred to above and provide a kind of distribution transformer protection definite value automatic adjusting interface system; it be based on national standard " Protection Technology code " to protection definite value requirement; use in microcomputer platform electrical form and calculate and process protection definite value; complete to protect definite value accurately and quickly to configure output; the particularly setting of the configuration output function of distribution substation Global Macros definite value; achieve protection device sensitive with reliable action, it is ensured that intelligent distribution network safely and steadily runs.
It is an object of the invention to be achieved through the following technical solutions:
A kind of distribution transformer protects definite value automatic adjusting interface system, and it is made up of upgrading data and two interfaces of basic data, and wherein upgrading data interface is duty interface, it is possible to display output Global Macros value data；Data management interface based on basic data interface, switches each other for protecting the correction of adjusting of definite value, described upgrading data interface and basic data interface to realize.
Described upgrading data interface is provided with the drop-down menu that transformer capacity selects, transformer current selects than selection and protection time limit; described transformer capacity select and transformer current than pass through after selecting in form associate computing formula or prefabricated computing formula exports Global Macros value data automatically; being that described basic data interface generates related data, the described protection time limit is to select according to protection classification simultaneously.
Described Global Macros definite value is that the output of fast tripping protection definite value, the output of overcurrent protection definite value, the output of overload protection definite value, the output of ground protection definite value and total capacity show.
Described adjusting of stream protection definite value output is shown its no satisfied protection fixed value adjusting requirement by overcurrent protection columnar data.
The correction of adjusting of described protection definite value; first carry out ascending series according to and basic data changing interface, this basic data interface display includes: transformer capacity show, current ratio show, quick-break value show with multiple select, overcurrent value show with multiple select, overload value show with multiple select, ground value show with multiple selection, maximum transformer capacity shows, total capacity shows, total capacity quick-break and flow show.
Described multiple selects pull-down menu to be selected to select by multiple, and different multiples selects for different classification protections, and distribution transformer protection classification includes that generic categories protection and special category are protected.
Described generic categories protection is chosen as 5 times for quick-break value protection multiple, and overcurrent value protection multiple is chosen as 1.2 times, and overload value protection multiple is chosen as 1.05 times, and ground value protection multiple is chosen as 1.1 times；
Described special category protection is chosen as 8 times for quick-break value protection multiple, and overcurrent value protection multiple is chosen as 1.5 times, and overload value protection multiple is chosen as 1.3 times, and ground value protection multiple is chosen as 1.3 times.
Owing to using technique scheme so that the present invention compared with prior art has a following advantages effect:
nullAfter the present invention is by using interface drop-down menu to select the parameters such as distribution transformer capacity summation current transformer transformer ratio，Interface can export and process the protection definite value that distribution transformer needs automatically，Protection fixed value adjusting requirement whether is met further through the display overcurrent protection of data analysis block diagram，It is mainly used in the distribution transformer protection seting analysis of power system and power distribution network transforming plant protecting such as is adjusted at the field，It can reasonably send warning information、Dispose fault in time，Realize protection device quick、Sensitive、Reliably、Selective action request，Complete to protect definite value accurately and quickly to configure output，The particularly setting of the configuration output function of distribution substation Global Macros definite value，Meet protection definite value globality and selective requirement，Achieve protection device sensitive with reliable action，Guarantee that intelligent distribution network safely and steadily runs.
Accompanying drawing explanation
Fig. 1 is the upgrading data interface box figure of the present invention；
Fig. 2 is the basic data interface block diagram of the present invention；
Fig. 3 is the upgrading data surface chart of the present invention；
Fig. 4 is the basic data surface chart of the present invention；
Fig. 5 is smart mobile phone interface application figure.
In figure: 1, transformer capacity selects, 2, current ratio selects, 3, fast tripping protection definite value exports, 4, overcurrent protection definite value exports, 5, overload protection definite value exports, 6, ground protection definite value exports, 7, the protection time limit selects, 8, total capacity shows, 9, overcurrent protection columnar data is analyzed, 10, upgrading data and basic data changing interface, 11, transformer capacity shows, 12, current ratio shows, 13, quick-break value shows and multiple selection, 14, overcurrent value shows and multiple selection, 15, overload value shows and multiple selection, 16, ground value value shows and multiple selection, 17, maximum transformer capacity shows, 18, total capacity shows, 19, total capacity quick-break shows with crossing stream.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is further elaborated, but protection scope of the present invention is not limited by specific embodiment institute, is as the criterion with claims.It addition, with on the premise of technical solution of the present invention, within any change that those of ordinary skill in the art made for the present invention easily realize or change fall within scope of the presently claimed invention.
Embodiment 1
One distribution transformer the most of the present invention protects definite value automatic adjusting interface system, and it is made up of upgrading data and two interfaces of basic data, and wherein upgrading data interface is duty interface, it is possible to display output Global Macros value data；Data management interface based on basic data interface, switches each other for protecting the correction of adjusting of definite value, described upgrading data interface and basic data interface to realize.
Described upgrading data interface is provided with transformer capacity and selects 1, transformer current ratio selection 2 and protection time limit to select the drop-down menu of 7; described transformer capacity select 1 with transformer current than select 2 be by form associate computing formula or prefabricated computing formula exports Global Macros value data automatically; being that described basic data interface generates related data, the described protection time limit 7 is to select according to protection classification simultaneously.
Described Global Macros definite value is that fast tripping protection definite value output 3, overcurrent protection definite value output 4, overload protection definite value output 5, ground protection definite value output 6 and total capacity show 8.
Described adjusting of stream protection definite value output 4 is shown its no satisfied protection fixed value adjusting requirement by overcurrent protection columnar data 9.
The correction of adjusting of described protection definite value; first carry out ascending series according to and basic data changing interface 10, this basic data interface display includes: transformer capacity show 11, current ratio show 12, quick-break value show select 13 with multiple, overcurrent value show select 14 with multiple, overload value show select 15 with multiple, ground value show show 17 with multiple selection 16, maximum transformer capacity, total capacity shows 18, total capacity quick-break and stream show 19.
Described multiple selects pull-down menu to be selected to select by multiple, and different multiples selects for different classification protections, and distribution transformer protection classification includes that generic categories protection and special category are protected.
Described generic categories protection is chosen as 5 times for quick-break value protection multiple, and overcurrent value protection multiple is chosen as 1.2 times, and overload value protection multiple is chosen as 1.05 times, and ground value protection multiple is chosen as 1.1 times；
Described special category protection is chosen as 8 times for quick-break value protection multiple, and overcurrent value protection multiple is chosen as 1.5 times, and overload value protection multiple is chosen as 1.3 times, and ground value protection multiple is chosen as 1.3 times.
Described basic data interface display also includes: rated current of distribution transformer, secondary rated current, rated voltage, a secondary rated voltage, maximum single transformer capacity in multiple stage distribution transformer, this is to calculate gained by upgrading data interface input capacity.
Embodiment 2
As shown in Figure 3,4, planned by upgrading data interface box figure and basic data interface block diagram, set up upgrading data interface management.
Such as the upgrading data surface chart that Fig. 3 is the present invention, in upgrading data interface, transformer capacity selects to select 1 pull-down menu by transformer capacity, select capacity by 0-5000kVA, listed capacity is power system national normal value, carrying out current ratio again selects 2 pull-down menu transformer ratios by 0-1000/5, listed transformer ratio is national normal value, corresponding all kinds of protection definite values: fast tripping protection definite value output 3, overcurrent protection definite value output 4, overload protection definite value output 5, in the listed form of ground protection definite value output 6 display, 7 pull-down menu are selected to select the protection time limit, set the time of all kinds of protection.Overcurrent protection columnar data is analyzed 9 and is intuitively analyzed the most accurate of protection definite value; judge to provide reliable basis to protection test personnel; make use of AutoSum function and prefabricated computing formula simultaneously; can show that transformator total capacity shows 8, it is achieved that always exported in the entirety of interior protection definite value by cabinet and transformer case.
Such as the basic data surface chart that Fig. 4 is the present invention; adjustment about protection constant coefficient; basic data interface can be entered; basic data interface is in protection definite value correction application; indicate frame by click form lower left corner upgrading data with basic data changing interface 10 can enter, realize switching each other at these two interfaces.In basic data interface, show and include that transformer capacity shows 11, current ratio shows 12, quick-break value shows and multiple selects 13, overcurrent value shows and multiple selects 14, overload value shows and multiple selection 15, ground value value show and multiple selection 16, include rated current of distribution transformer, secondary rated current, rated voltage, a secondary rated voltage simultaneously, maximum single transformer capacity in multiple stage distribution transformer, is to calculate gained by upgrading data interface input capacity.Adjusting flexibly for realizing protection data, the multiple carrying out all kinds of protection of key link is adjusted.Select pull-down menu at basic data interface by multiple, select fold values to carry out protecting the amendment of adjusting of definite value, met the requirement of actual load classification and Demand-side character.
Different multiples selects to apply the classification protection different; distribution transformer protection classification includes that generic categories protection and special category are protected; distribution generic categories protection multiple is adjusted and is; quick-break value protection multiple is chosen as 5 times; overcurrent value protection multiple is chosen as 1.2 times; overload value protection multiple is chosen as 1.05 times, and ground value protection multiple is chosen as 1.1 times.It is that quick-break value protection multiple is chosen as 8 times that special category protection multiple is adjusted, and overcurrent value protection multiple is chosen as 1.5 times, and overload value protection multiple is chosen as 1.3 times, and ground value protection multiple is chosen as 1.3 times.And all kinds of protection correspondence protection time limit is based on distribution transformer protection classification and effectively selects.
Formula introduction in interface, including the calculating of distribution transformer rated current, capacity AutoSum, the maximum selection of transformer capacity, the output of all kinds of protection definite value.Rated current is equal to rated capacity ratio (rated voltage * radical sign 3); capacity summation utilizes sum formula calculating transformer capacity sum; maximum transformer capacity is the maximum that greatest measure formula calculates house transformer capacitance values, and the output of all kinds of protection definite values is the result of multiple * rated current/current ratio.Interface uses above-mentioned formula; distribution transformer protection definite value automatic adjusting interface system is made to have distributed the protection definite value setting work of power distribution network transformer station rationally; can reasonably send warning information, dispose fault in time, it is ensured that electrical equipment safely and steadily runs.
Application examples
Smart mobile phone interface application figure as shown in Figure 5, the application of intelligent movable cell phone platform, smart mobile phone commonly uses, and distribution transformer protection definite value automatic adjusting interface system is replicated in smart mobile phone, utilizes mobile office software, can realize protecting the application of definite value mobility.
Claims (8)
1. a distribution transformer protection definite value automatic adjusting interface system, it is characterised in that: it is made up of upgrading data and two interfaces of basic data, and wherein upgrading data interface is duty interface, it is possible to display output Global Macros value data；Data management interface based on basic data interface, switches each other for protecting the correction of adjusting of definite value, described upgrading data interface and basic data interface to realize.
A kind of distribution transformer protection definite value automatic adjusting interface system the most according to claim 1; it is characterized in that: described upgrading data interface is provided with the drop-down menu that transformer capacity selects, transformer current selects than selection and protection time limit; described transformer capacity select and transformer current than pass through after selecting in form associate computing formula or prefabricated computing formula exports Global Macros value data automatically; being that described basic data interface generates related data, the described protection time limit is to select according to protection classification simultaneously.
A kind of distribution transformer protection definite value automatic adjusting interface system the most according to claim 1 and 2, it is characterised in that: described Global Macros definite value is that the output of fast tripping protection definite value, the output of overcurrent protection definite value, the output of overload protection definite value, the output of ground protection definite value and total capacity show.
A kind of distribution transformer protection definite value automatic adjusting interface system the most according to claim 3, it is characterised in that: described adjusting of stream protection definite value output is shown its no satisfied protection fixed value adjusting requirement by overcurrent protection columnar data.
A kind of distribution transformer protection definite value automatic adjusting interface system the most according to claim 1; it is characterized in that: the correction of adjusting of described protection definite value; first carry out ascending series according to and basic data changing interface, this basic data interface display includes: transformer capacity show, current ratio show, quick-break value show with multiple select, overcurrent value show with multiple select, overload value show with multiple select, ground value show with multiple selection, maximum transformer capacity shows, total capacity shows, total capacity quick-break and flow show.
A kind of distribution transformer protection definite value automatic adjusting interface system the most according to claim 5; it is characterized in that: described multiple selects pull-down menu to be selected to select by multiple; different multiples selects for different classification protections, and distribution transformer protection classification includes that generic categories protection and special category are protected.
A kind of distribution transformer protection definite value automatic adjusting interface system the most according to claim 6; it is characterized in that: described generic categories protection is chosen as 5 times for quick-break value protection multiple; overcurrent value protection multiple is chosen as 1.2 times; overload value protection multiple is chosen as 1.05 times, and ground value protection multiple is chosen as 1.1 times.
A kind of distribution transformer protection definite value automatic adjusting interface system the most according to claim 6; it is characterized in that: described special category protection is chosen as 8 times for quick-break value protection multiple; overcurrent value protection multiple is chosen as 1.5 times; overload value protection multiple is chosen as 1.3 times, and ground value protection multiple is chosen as 1.3 times.
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| CN201510241773.3A CN106295919A (en) | 2015-05-13 | 2015-05-13 | A kind of distribution transformer protection definite value automatic adjusting interface system |
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| CN201510241773.3A CN106295919A (en) | 2015-05-13 | 2015-05-13 | A kind of distribution transformer protection definite value automatic adjusting interface system |
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| CN109858828A (en) * | 2019-02-22 | 2019-06-07 | 国家电网有限公司 | A kind of power distribution network definite value automatic setting method, device and distribution network systems |
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Application publication date: 20170104 |