A kind of Intelligent terminal equipment in intelligent transformer substation opens the method for testing of ingress time delay
Technical field
The present invention relates to a kind of intelligent terminal motion test method, specifically a kind of Intelligent terminal equipment in intelligent transformer substation opens the method for testing of ingress time delay, belongs to power system automation technology field.
Background technology
The Analysis and measurement of intelligent substation secondary loop time-delay characteristics is particularly important to intelligent substation safety, stable operation and maintenance.Intelligent terminal leaves ingress time delay and represents intelligent terminal and receive the time sending trip protection order, is the very important index of intelligent terminal one.The mapping relations that intelligent terminal leaves ingress and empty terminal are preset and be described in the description by producer when intelligent terminal dispatches from the factory.The delay test that ingress opened by traditional intelligent terminal needs the product description contrasting intelligent terminal manually to select and the tested empty terminal opened ingress and be associated.
Because the side of buying lacks method of testing and equipment, usually only obtain according to the delivery test report of producer the time delay numerical value that ingress left by intelligent terminal.If go for the exact numerical that ingress time delay left by intelligent terminal, first the instructions consulting this intelligent terminal is needed, therefrom find out the mapping relations that intelligent terminal leaves ingress and empty terminal one by one, then manually select and the tested empty terminal opened ingress and be associated according to mapping relations, such test is not only wasted time and energy, and empty terminal causes testing comprehensively, out of true because manual operation is often omitted.
Summary of the invention
For overcoming the deficiency that above-mentioned prior art exists, the invention provides the method for testing that a kind of Intelligent terminal equipment in intelligent transformer substation opens ingress time delay, its mapping relations that can obtain open ingress and empty terminal fast accurately can record open again the delay value of ingress.
The present invention solves the technical scheme that its technical matters takes: a kind of Intelligent terminal equipment in intelligent transformer substation opens the method for testing of ingress time delay, it is characterized in that, comprises the following steps:
Step one, the SCD file of resolving intelligent substation obtains the empty terminal list of input of intelligent terminal;
Step 2, travels through the empty terminal list of input of intelligent terminal successively, obtains out the mapping relations of ingress and empty terminal;
Step 3, selects tested intelligent terminal, is carried out being connected and arranges test delay value by tested ingress of opening with testing apparatus;
Step 4, split ingress and carry out delay test, testing apparatus sends to tested intelligent terminal to be opened into electric signal order, the laggard line command of tested intelligent terminal for reception order forwards, send the tested Supervision of GOOSE order to hear, testing apparatus sends GOOSE order to receiving the time of the GOOSE order that tested intelligent terminal forwards for opening into delay time;
Step 5, the mapping relations of ingress and empty terminal are opened in display and each to be associated the test result of empty terminal with tested ingress of opening.
In said method, described process of resolving SCD file is exactly by the definition of SCD file according to SCL in IEC61850, the Inputs node definition content of IED in SCD file is carried out the full station IED list of parsing formation one and IED list of entirely standing is saved in relational database.
In said method, the empty terminal list of described input is the empty terminal list of input that the current device of the Inputs node definition of intelligent electronic device IED based on IEC61850 receives from external unit, and inputting empty terminal representation of list form is:
Source(ied,ld,addr)→Destination(ied,ld,addr)
Wherein, Source represents transmitting apparatus, and Destination represents receiving equipment.
In said method, the described deterministic process opening the mapping relations of ingress and empty terminal is: input the terminal in empty terminal list for each, send displacement GOOSE message, what within the time interval of specifying, then receive tested intelligent terminal outputs signal firmly, if can receive within the time interval of specifying and firmly output signal, so just think current and testedly open ingress and the empty terminal associated that conjugates occurs; Just all and tested empty terminal opened ingress and be associated is obtained after traveling through the empty terminal of all inputs successively.
In said method, DI/DO communication mode is adopted to be connected opening between ingress with testing apparatus of tested intelligent terminal.
In said method, the initial value of described test delay value is specified standard in state's network planning model, and outputing time delay is 7ms, opens into being 2ms; In test process, test delay value can also manually arrange.
In said method, before splitting ingress and carrying out delay test, also comprise the tested process opened ingress and name, in order to multiple open to distinguish when ingress is tested simultaneously noly open ingress.
In said method, describedly split the process that ingress carries out delay test and be: first send GOOSE action message to each the empty terminal in the empty terminal list of input, and the transmitting time of recorded message is T1, what then receive intelligent terminal outputs signal firmly, and the time of reception of tracer signal is T2, finally calculate the difference between T1 and T2, the difference between T1 and T2 is exactly the action delay time that this opens ingress.
In said method, described test result comprises: test sequence number, the data set belonging to empty terminal, the description of empty terminal, empty terminal state and delay time.
Beneficial effect of the present invention is as follows:
(1) the Inputs definition of the present invention SCD belonging to intelligent terminal, first the mapping relations that intelligent terminal leaves ingress and empty terminal are obtained to the configuration describing document analysis of intelligent substation, then test and the time delay of opening each empty terminal that ingress is associated, the mapping relations of ingress and empty terminal can not only be obtained out and the delay value of ingress can also be obtained out, solving current intelligent terminal establishes out the unified method of ingress action delay measurement shortage to cause buying side cannot carry out the problem received into factory inspection, avoid and do not reach technical conditions and require owing to out ingress action delay and cause extremely serious power system accident to occur.The present invention obtains out the incidence relation of ingress and empty terminal according to the definition of Inputs, not only can indefinite open the prerequisite of the incidence relation of ingress and empty terminal under test, and can also verify that whether the mapping relations of intelligent terminal inside correct according to test result.
(2) the present invention is when the discrepancy test of an intelligent terminal being opened to ingress; first according to the empty terminal of all inputs (enumerating in units of data set) in substation configuration description file (SCD), the definition of tested intelligent terminal Inputs being obtained to tested intelligent terminal; then seeing that the mode of intelligent terminal whether action obtains opening empty terminal list corresponding to ingress with tested by sending trip protection order one by one, finally testing each empty terminal successively and obtaining delay value.After having tested, show each data set, state and test result belonging to empty terminal respectively, and highlighted display does not meet the empty terminal presetting test condition.By splitting the once test of ingress, both can obtain out the time delay of ingress, can also obtain and the tested mapping relations opening ingress and empty terminal, and be convenient to tester and judge that whether the preset configuration of intelligent terminal is correct.Whether after having tested, can check the summary information of test, comprise by maximin and the mean value of test, test, and which tests open ingress, each opens the number of times of ingress test, maximin and mean value.Method of testing of the present invention can greatly the delay test flow process of simplified intelligent terminal, and tester can complete the delay test of splitting ingress and can judge whether the whether correct and time-delay characteristics of the mapping relations of tested intelligent terminal and empty terminal meet the delay criteria of state's network planning model and but have the i.e. slotting characteristic namely surveyed according to test result under the prerequisite not having tested intelligent terminal instructions.
(3) the present invention meet completely power industry survey intelligent whole actual motion time information flow, the survey intelligence that can ensure to put into operation is opened ingress action delay eventually and to be met the specification requirement, avoiding exceeding standard the power system accident caused because opening ingress action delay, reducing Loss of Life and property; And measuring accuracy is high, simple operation, can be used as power industry and survey the universal method that intelligence opens the measurement of ingress action delay eventually, there is extremely wide application and prospect.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further described:
Fig. 1 is method flow diagram of the present invention.
Embodiment
For clearly demonstrating the technical characterstic of this programme, below by embodiment, and in conjunction with its accompanying drawing, the present invention will be described in detail.Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present invention.Of the present invention open in order to simplify, hereinafter the parts of specific examples and setting are described.In addition, the present invention can in different example repeat reference numerals and/or letter.This repetition is to simplify and clearly object, itself does not indicate the relation between discussed various embodiment and/or setting.It should be noted that parts illustrated in the accompanying drawings are not necessarily drawn in proportion.Present invention omits the description of known assemblies and treatment technology and process to avoid unnecessarily limiting the present invention.
As shown in Figure 1, a kind of Intelligent terminal equipment in intelligent transformer substation of the present invention opens the method for testing of ingress time delay, and it comprises the following steps:
Step one, the SCD file of resolving intelligent substation obtains the empty terminal list of input of intelligent terminal; It is by the definition of SCD according to SCL in IEC61850 that SCD resolves, and by Context resolution wherein, is saved in relational database.SCD can form an IED list of entirely standing after resolving, before doing intelligent terminal delay test, first will select to want tested intelligent terminal from this list.
Step 2, travels through the empty terminal list of input of intelligent terminal successively, obtains out the mapping relations of ingress and empty terminal.
Step 3, selects tested intelligent terminal, is carried out being connected and arranges test delay value by tested ingress of opening with testing apparatus; DI/DO (according to test-types) is used to be connected opening between ingress with commissioning equipment of intelligent terminal.The initial value of test time delay is specified standard in state's network planning model, opens into being 2ms, but in order to improve the dirigibility of test, allows user manually to arrange delay value in the method for testing in the present invention.
Step 4, split ingress and carry out delay test, testing apparatus sends to tested intelligent terminal to be opened into electric signal order, the laggard line command of tested intelligent terminal for reception order forwards, send the tested Supervision of GOOSE order to hear, testing apparatus sends GOOSE order to receiving the time of the GOOSE order that tested intelligent terminal forwards for opening into delay time; Also at this data set belonging to each empty terminal of this intelligent terminal, state are detected, and obtain the empty terminal being in abnormality.
Step 5, the mapping relations of ingress and empty terminal are opened in display and each to be associated the test result of empty terminal with tested ingress of opening.SCD belonging to the intelligent terminal
Inputs defines, first autoscan obtains the tested mapping relations opening ingress and empty terminal, then each empty terminal is tested successively, the mapping relations that can demonstrate out ingress and empty terminal in test result are convenient to tester and are judged that whether the configuration of intelligent terminal is correct, can show again the test result of each empty terminal, current state.
In said method, described process of resolving SCD file is exactly by the definition of SCD file according to SCL in IEC61850, the Inputs node definition content of IED in SCD file is carried out the full station IED list of parsing formation one and IED list of entirely standing is saved in relational database.The benefit using this definition according to Inputs to obtain out the incidence relation of ingress and empty terminal is: both can indefinite open the prerequisite of the incidence relation of ingress and empty terminal under test, can also verify that whether the mapping relations of intelligent terminal inside correct according to test result.
In said method, the empty terminal list of described input is the empty terminal list of input that the current device of the Inputs node definition of intelligent electronic device IED based on IEC61850 receives from external unit, and inputting empty terminal representation of list form is:
Source(ied,ld,addr)→Destination(ied,ld,addr)
Wherein, Source represents transmitting apparatus, and Destination represents receiving equipment.Use the benefit of this form to be, for a given empty terminal in source, easily can find out the empty terminal of reception of its opposite end.
In said method, the described deterministic process opening the mapping relations of ingress and empty terminal is: input the terminal in empty terminal list for each, send displacement GOOSE message, what within the time interval of specifying, then receive tested intelligent terminal outputs signal firmly, if can receive within the time interval of specifying and firmly output signal, so just think current and testedly open ingress and the empty terminal associated that conjugates occurs; Just all and tested empty terminal opened ingress and be associated is obtained after traveling through the empty terminal of all inputs successively.
In said method, DI/DO communication mode is adopted to be connected opening between ingress with testing apparatus of tested intelligent terminal.
In said method, the initial value of described test delay value is specified standard in state's network planning model, and outputing time delay is 7ms, opens into being 2ms; In test process, test delay value can also manually arrange.
In said method, before splitting ingress and carrying out delay test, also comprise the tested process opened ingress and name, in order to multiple open to distinguish when ingress is tested simultaneously noly open ingress.Once test in the present invention can be tested simultaneously multiplely open ingress, so noly open ingress to distinguish, before carrying out actual test, must give and testedly open ingress name.
In said method, describedly split the process that ingress carries out delay test and be: first send GOOSE action message to each the empty terminal in the empty terminal list of input, and the transmitting time of recorded message is T1, what then receive intelligent terminal outputs signal firmly, and the time of reception of tracer signal is T2, finally calculate the difference between T1 and T2, the difference between T1 and T2 is exactly the action delay time that this opens ingress.
In said method, described test result comprises: test sequence number, the data set belonging to empty terminal, the description of empty terminal, empty terminal state and delay time.
When opening into test an intelligent terminal; first according to the empty terminal of all inputs (enumerating in units of data set) in intelligent substation configuration describing document (SCD), the definition of tested intelligent terminal Inputs being obtained to tested intelligent terminal; then seeing that the mode of intelligent terminal whether action obtains opening empty terminal list corresponding to ingress with tested by sending trip protection order one by one, finally testing each empty terminal successively and obtaining delay value.After having tested, show each data set, state and test result belonging to empty terminal respectively, and highlighted display does not meet the empty terminal presetting test condition.By splitting the once test of ingress, both can obtain out the time delay of ingress, can also obtain and the tested mapping relations opening ingress and empty terminal, and be convenient to tester and judge that whether the preset configuration of intelligent terminal is correct.Whether after having tested, can check the summary information of test, comprise by maximin and the mean value of test, test, and test those and open ingress, each opens the number of times of ingress test, maximin and mean value.
What the present invention greatly simplify intelligent terminal opens into delay test flow process, and tester can complete the delay test of splitting ingress and can judge whether the whether correct and time-delay characteristics of the mapping relations of tested intelligent terminal and empty terminal meet the delay criteria of state's network planning model and but have the i.e. slotting characteristic namely surveyed according to test result under the prerequisite not having tested intelligent terminal instructions.
The above is the preferred embodiment of the present invention, and for those skilled in the art, under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications are also regarded as protection scope of the present invention.