CN106027178B - A kind of electric power scheduling automatization system telemeter time test method based on step response - Google Patents
A kind of electric power scheduling automatization system telemeter time test method based on step response Download PDFInfo
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- CN106027178B CN106027178B CN201610419700.3A CN201610419700A CN106027178B CN 106027178 B CN106027178 B CN 106027178B CN 201610419700 A CN201610419700 A CN 201610419700A CN 106027178 B CN106027178 B CN 106027178B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/364—Delay profiles
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Abstract
The present invention relates to a kind of electric power scheduling automatization system telemeter time test method based on step response.Test equipment of this method when plant stand end testing ground is using with GPS pairs,Selection voltage is remote measurement amount,Instrument the first state output voltage is set as normal voltage value,Setting test equipment the second state output voltage is slightly above the alarming value of the scheduling station system voltage,Setting test equipment from the first state step to the second state at the time of,Then startup test equipment test function,At this moment,Test equipment first exports the first state voltage,Wait T1 at the time of step occurs,During to the moment,Test equipment output voltage steps to the second state,It is out-of-limit that electrical equipment voltage telemeering occurs for simulation plant-station scene,When scheduling station system receives the voltage telemeering amount,Meeting target voltage out-of-limit alarm signal when pop-up carries on interface,The markers is T2 at the time of scheduling station system receives the remote measurement amount,When due to scheduling station system and plant stand TT＆C system being also by GPS pairs,Then telemeter time=T2 T1.
Description
Technical field
The present invention relates to a kind of electric power scheduling automatization system telemeter time test method based on step response.
Background technology
Electric power scheduling automatization system is based on computer, communication, control technology, is given birth to online for power dispatching stations at different levels
Produce the data handling system that operations staff provides Operation of Electric Systems information, analysis decision instrument and control means.Scheduling is automatic
Change system is by power plant, substation（Hereinafter referred to as plant stand）TT＆C system, and the main station system of scheduling institution, and passing through
The automated system that communication media or data transmission network are formed.It can realize that each plant stand in a distant place is electric by dispatch automated system
The electric parameter Long Distant Transmits such as the active power of element, reactive power, voltage and current are to control centre, the person's of being scheduled for monitoring
With.When the active power, reactive power, voltage and current of plant stand electrical equipment change when electric parameter, need in time by
The electric parameter changed is transmitted to scheduling station, allows dispatcher to grasp in time, to carry out power scheduling work.In order to weigh electricity
Gas parameter is transmitted to the speed of scheduling station from plant stand, and code is provided with " telemeter time " index, it is to embody scheduling certainly
The index of dynamicization system real time, the regulatory requirements index are not more than 4 seconds.The telemeter time can be obtained by field measurement.
During experiment, scheduling station end testing crew is contacted by phone with plant stand end testing crew, by scheduling station end（Or plant stand end）
Testing crew is measured using stopwatch, and the measure and control device of test equipment to plant stand TT＆C system exports certain electrical quantity（Such as voltage）Open
Begun meter when, scheduling station end testing crew stopwatch when scheduling station system observes this electrical quantity, so as to obtain remote measurement
Delivery time.It will be apparent that it is this by phone contact, the time quantum of second level is measured using stopwatch, error is larger.
The content of the invention
To solve above-mentioned drawback, the present invention uses the electric power scheduling automatization system telemeter time based on step response
Test method measures the telemeter time, can improve the accuracy of measurement, reduces measurement error.
The present invention is realized using following technical scheme：A kind of electric power scheduling automatization system remote measurement based on step response passes
Time test method is sent, it comprises the following steps：Test equipment when plant stand end testing ground is using with GPS pairs, selects electricity
Pressure amount is remote measurement amount, sets instrument the first state output voltage as normal voltage value, and setting the second state of test equipment output voltage omits
Higher than the alarming value of the scheduling station system voltage, setting test equipment from the first state step to the second state at the time of；Start
The test function of the test equipment, at this time test equipment first export the first state voltage, wait T1 at the time of step occurs；During to T1
During quarter, test equipment output voltage steps to the second state, and generation electrical equipment voltage telemeering in simulation plant-station scene is out-of-limit, scheduling master
When the system of station receives the voltage telemeering amount, target voltage out-of-limit alarm signal, the markers can be when pop-up carries on interface
T2 at the time of scheduling station system receives the remote measurement amount, since scheduling station system and plant stand TT＆C system are also by GPS couples
When, then telemeter time=T2-T1.
Compared to the prior art, the invention has the advantages that：The present invention improves remote measurement to short form test workload
Delivery time measurement accuracy, the real-time that guarantee dispatch automated system is run play the role of vital.
Brief description of the drawings
Fig. 1 is electric power scheduling automatization system telemeter time test method signal of the present invention based on step response
Figure.
Fig. 2 is the plant stand end test connection schematic diagram of one embodiment of the invention.
Fig. 3 is that the test equipment test parameters of one embodiment of the invention sets schematic diagram.
Embodiment
Below in conjunction with the accompanying drawings, technical scheme is specifically described.
The present invention provides a kind of electric power scheduling automatization system telemeter time test method based on step response, its
Comprise the following steps：Test equipment when plant stand end testing ground is using with GPS pairs, selection voltage is remote measurement amount, setting
The first state of instrument output voltage is normal voltage value, and setting test equipment the second state output voltage is slightly above scheduling station system should
The alarming value of voltage, setting test equipment from the first state step to the second state at the time of；Start the experiment work(of the test equipment
Can, test equipment first exports the first state voltage at this time, waits T1 at the time of step occurs；During to the T1 moment, test equipment output
Voltage step is to the second state, and generation electrical equipment voltage telemeering in simulation plant-station scene is out-of-limit, and scheduling station system receives the voltage
During remote measurement amount, meeting target voltage out-of-limit alarm signal when pop-up carries on interface, which is that scheduling station system receives
T2 at the time of the remote measurement amount, due to when scheduling station system and plant stand TT＆C system are also by GPS couples, then during telemeter
Between=T2-T1.Specific test schematic diagram is referring to Fig. 1.
In certain 500kV substation in one embodiment of the invention（The hereinafter referred to as substation）It is distant to carry out debugging automated system
Delivery time test is surveyed, used test equipment is comprehensive automation system of transformer substation tester, when which has GPS pairs
Function, can set binary states voltage output.
Utilize the 500kV line segregations of substation's interruption maintenance（The hereinafter referred to as interval）Tested, connect test
The gps antenna of instrument, and guarantee to receive 4 and above satellite, the A phase voltages output of test equipment is linked into the interval surveys
The A phase voltage terminal blocks of device are controlled, see Fig. 2.
Scheduling station end testing crew sets the more upper limit alarm value of circuit A phase voltages in dispatching automation main station system
For 308kV（Corresponding secondary voltage is 61.7V）.Plant stand end testing crew sets UA the first state voltages on test equipment interface
（U1）, the second state voltage (U2) and occur step at the time of, settings U1 is normal voltage value 57.7V, setting U2 magnitudes of voltage be
62.5V（More than it upper limit alarm value is got in scheduling station system）, it is assumed that it is 28 minutes 10 May 23 day 11 point in 2016 now
Second, then initial time can be set（At the time of generation step）For 11 when 28 divide 40 seconds, see Fig. 3.
" starting to test " button of test equipment is clicked on, starts to test, test equipment correctly after output, first exports first
State voltage UA（57.7V）, until experiment moment T1（28 divide 40 seconds when 11）, test equipment the second state voltage of output（62.5V）.Survey
After the measure and control device collection that the voltage of test instrument output passes through substation's plant stand TT＆C system, surveyed by the plant stand at the station
Scheduling station is sent in the telecontrol communication machine of control system, since the second state voltage of test equipment output is more than the scheduling station system electricity
The more upper limit alarm value of pressure amount, then after scheduling station system receives the U2 magnitudes of voltage after step, target voltage is got over when can eject band
Alarm signal is limited, for example, " 2016-05-23 11:28:43 certain substation 500kV circuit A phase voltages get over the upper limit
312.7kV ", at this time, " terminating experiment " button that can press test equipment stop experiment, it can be seen that, scheduling station system receives
28 divide 43 seconds when T2 is 11 at the time of step voltage value, then telemeter time T2-T1 is 3 seconds.And then can be according to related code
Judge whether the telemeter time index of the dispatch automated system meets the requirements.
Above-mentioned magnitude of voltage, more upper limit alarm value are only the test data of one embodiment of the invention, not exclusive limit value.
Specific magnitude of voltage can be adjusted further as the case may be in other different grades of substations.
Above is presently preferred embodiments of the present invention, all changes made according to technical solution of the present invention, caused function are made
During with scope without departing from technical solution of the present invention, protection scope of the present invention is belonged to.
Claims (3)
- A kind of 1. electric power scheduling automatization system telemeter time test method based on step response, it is characterised in that：Bag Include following steps：Test equipment when plant stand end testing ground is using with GPS pairs, selection voltage is remote measurement amount, sets instrument The first state of device output voltage is normal voltage value, and setting test equipment the second state output voltage is slightly above scheduling station system voltage More the corresponding secondary voltage value of upper limit alarm value, set test equipment from the first state step to the second state at the time of；Starting should The test function of test equipment, at this time test equipment first export the first state voltage, wait T1 at the time of step occurs；To the T1 moment When, test equipment output voltage steps to the second state, and generation electrical equipment voltage telemeering in simulation plant-station scene is out-of-limit, scheduling station Target voltage out-of-limit alarm signal, the markers can be to adjust when pop-up carries on interface when system receives the voltage telemeering amount Degree main station system T2 at the time of receive the remote measurement amount, due to when scheduling station system and plant stand TT＆C system are also by GPS couples , then telemeter time=T2-T1.
- 2. the electric power scheduling automatization system telemeter time test side according to claim 1 based on step response Method, it is characterised in that：The test equipment is comprehensive automation system of transformer substation tester.
- 3. the electric power scheduling automatization system telemeter time test side according to claim 2 based on step response Method, it is characterised in that：The substation is 500kV substations, and the more upper limit alarm value of the voltage is 308kV, and correspondence is secondary Voltage is 61.7V.
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| CN106027178B true CN106027178B (en) | 2018-05-04 |
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| CN111523079A (en) * | 2020-04-29 | 2020-08-11 | 广西电网有限责任公司河池宜州供电局 | Method for improving and self-checking load report of dispatching automation system |
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| JPH11220481A (en) * | 1998-02-04 | 1999-08-10 | Meidensha Corp | Sampling synchronizing system, sampling data synchronizing system and abnormality reporting system for pcm relay |
| CN102361356A (en) * | 2011-10-28 | 2012-02-22 | 安徽省电力公司芜湖供电公司 | System and method for testing remote communication volume of transformer substation testing-controlling device |
| CN102721882A (en) * | 2012-06-18 | 2012-10-10 | 辽宁省电力有限公司营口供电公司 | Intelligent and conventional transformer substation optical fiber longitudinal difference protection channel joint debugging test method |
| CN203350349U (en) * | 2013-05-20 | 2013-12-18 | 国家电网公司 | Transformer substation bus phase voltage off-limit alarm system |
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2016
- 2016-06-15 CN CN201610419700.3A patent/CN106027178B/en active Active
Patent Citations (4)
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| JPH11220481A (en) * | 1998-02-04 | 1999-08-10 | Meidensha Corp | Sampling synchronizing system, sampling data synchronizing system and abnormality reporting system for pcm relay |
| CN102361356A (en) * | 2011-10-28 | 2012-02-22 | 安徽省电力公司芜湖供电公司 | System and method for testing remote communication volume of transformer substation testing-controlling device |
| CN102721882A (en) * | 2012-06-18 | 2012-10-10 | 辽宁省电力有限公司营口供电公司 | Intelligent and conventional transformer substation optical fiber longitudinal difference protection channel joint debugging test method |
| CN203350349U (en) * | 2013-05-20 | 2013-12-18 | 国家电网公司 | Transformer substation bus phase voltage off-limit alarm system |
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| 后石电厂全停配套电压稳定控制系统及其调试;王云茂;《福建电力与电工》;20060330;第26卷(第01期);第7-9页 * |
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