CN105572619A - Online transient test system for electronic current transformer - Google Patents
Online transient test system for electronic current transformer Download PDFInfo
- Publication number
- CN105572619A CN105572619A CN201610120583.0A CN201610120583A CN105572619A CN 105572619 A CN105572619 A CN 105572619A CN 201610120583 A CN201610120583 A CN 201610120583A CN 105572619 A CN105572619 A CN 105572619A
- Authority
- CN
- China
- Prior art keywords
- transient
- mutual inductor
- electronic current
- current mutual
- electrically connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000001052 transient effect Effects 0.000 title claims abstract description 151
- 238000012360 testing method Methods 0.000 title claims abstract description 75
- 238000012545 processing Methods 0.000 claims abstract description 32
- 238000005070 sampling Methods 0.000 claims description 31
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 239000000835 fiber Substances 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 102000001253 Protein Kinase Human genes 0.000 claims description 2
- 108060006633 protein kinase Proteins 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 8
- 238000009434 installation Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 24
- 230000006854 communication Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 201000010099 disease Diseases 0.000 description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000003750 conditioning effect Effects 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 108091000080 Phosphotransferase Proteins 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 102000020233 phosphotransferase Human genes 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000010205 computational analysis Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/02—Testing or calibrating of apparatus covered by the other groups of this subclass of auxiliary devices, e.g. of instrument transformers according to prescribed transformation ratio, phase angle, or wattage rating
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
本发明公开电子式电流互感器在线暂态测试系统，包括标准源暂态信号采集系统、被测电子式电流互感器、被测互感器暂态信号采集系统和暂态信号处理系统；标准源暂态信号采集系统设置在靠近被测互感器一次侧系统的位置。通过准确测量一次侧系统的暂态大电流，并使其先通过标准源暂态信号采集系统后，再通过被测电子式电流互感器，最终经过两者的暂态信号均被暂态信号处理系统接收并，那么前者即可作为被测互感器在真实运行中发生故障时暂态特性优劣的判断标准，更能真实的反映被测互感器的暂态特性精度。通过在被测互感器的运行现场安装，利用无线收发系统技术将标准源数据发送至暂态信号处理通，完成电子式互感器的在线暂态测试。
The invention discloses an electronic current transformer online transient testing system, which includes a standard source transient signal acquisition system, a tested electronic current transformer, a tested transformer transient signal acquisition system, and a transient signal processing system; the standard source transient The state signal acquisition system is set close to the primary side system of the transformer under test. Accurately measure the transient large current of the primary side system, and make it pass through the standard source transient signal acquisition system first, and then pass through the electronic current transformer under test, and finally the transient signals passing through both are processed by the transient signal If the system receives and integrates, then the former can be used as a criterion for judging the transient characteristics of the transformer under test when it fails in real operation, and can more truly reflect the accuracy of the transient characteristics of the transformer under test. Through the installation at the operating site of the tested transformer, the standard source data is sent to the transient signal processing channel by using the wireless transceiver system technology, and the online transient test of the electronic transformer is completed.
Description
Technical field
The present invention relates to power system transformer substation technical field, particularly relate to the online transient test system of a kind of electronic current mutual inductor.
Background technology
Electronic mutual inductor is applied in a large number in electric system, and the quality of electronic current mutual inductor can be embodied on its transient state essence P degree.Test for electronic mutual inductor transient state precision can be divided into off-line transient test and online transient test two schemes, the test mode of the operational process of off-line test and analog electrical minor mutual inductor, namely on-line testing completes the normal operation that test does not affect electronic mutual inductor simultaneously in the true operational process of electronic mutual inductor, namely " work field test ".
At present, the transient test of domestic electronic mutual inductor is substantially all test in Xi'an High-Voltage Electrical Appliances research institute, employing be the transient state process big current that the mode of heavy current impact produces required for test, and then test product to be tested together with merge cells.The hardware test condition high investment that this mode relies on is large, need to build large primary system physics Dynamic Model Test room of taking up an area, this makes the scientific research institutions of provincial this rank of DianKeYuan of the domestic overwhelming majority, all cannot specialize in the transient characterisitics of electronic mutual inductor.And adopt off-line transient test cannot consider the change of voltage, the namely change of voltage field intensity is not effectively tested for the impact of electronic mutual inductor transient state precision always.Although on-line testing can make up the impact of change in voltage, but at present, on-line testing substantially also rests on the comparison stage by tested electronic mutual inductor and traditional mutual inductor string among the same circuit, tested electronic mutual inductor and traditional mutual inductor are carried out the ratio of precision pair of transient state process, this mode can only obtain the otherness of two class mutual inductors, cannot prove the true transient state precision of tested electronic mutual inductor.
In sum, need a kind of on-line testing transient state technology, improve the measuring accuracy of the transient state progress of disease of electronic mutual inductor at the scene in operational process when true fault occurs.
Summary of the invention
The invention provides the online transient test system of a kind of electronic current mutual inductor, with the problem that the transient state progress of disease measuring accuracy solving electronic current mutual inductor of the prior art is lower.
In order to solve the problems of the technologies described above, the embodiment of the invention discloses following technical scheme:
The online transient test system of a kind of electronic current mutual inductor, comprises standard source collecting transient data system, tested electronic current mutual inductor, tested electronic current mutual inductor collecting transient data system and Transient Signal Processing system; Described standard source collecting transient data Operation system setting is in the position near described tested electronic current mutual inductor primary side system; Described standard source collecting transient data system and described Transient Signal Processing system are communicated to connect by wireless transceiver system; Described tested electronic current mutual inductor, tested electronic current mutual inductor collecting transient data system and Transient Signal Processing system are electrically connected successively.
Preferably, in the online transient test system of above-mentioned electronic current mutual inductor, described standard source collecting transient data system comprises the shunt, Signal-regulated kinase, analog-to-digital conversion module and the sampling fpga chip that are electrically connected successively; Described wireless transceiver system comprises wireless sending module and wireless receiving module; Another output terminal of described shunt is electrically connected with described tested electronic current mutual inductor; The input end of described wireless sending module is electrically connected with described sampling fpga chip, the input end of output terminal and described wireless receiving module communicates to connect; The output terminal of described wireless receiving module is electrically connected with described Transient Signal Processing system.
Preferably, in the online transient test system of above-mentioned electronic current mutual inductor, described tested electronic current mutual inductor collecting transient data system comprises the collecting unit and merge cells that are electrically connected successively, described collecting unit and described tested electronic current mutual inductor electrical connection, described merge cells is electrically connected with described Transient Signal Processing system by fiber optical transceiver.
Preferably, in the online transient test system of above-mentioned electronic current mutual inductor, unit when described sampling fpga chip comprises sampling unit and first pair, described sampling unit and first pair time unit be all electrically connected with described wireless sending module.
Preferably, in the online transient test system of above-mentioned electronic current mutual inductor, described Transient Signal Processing system comprise Signal reception fpga chip, second pair time unit and transient signal analytic unit, described Signal reception fpga chip and second pair time unit be all electrically connected with described wireless receiving module, described transient signal analytic unit is electrically connected with described Signal reception fpga chip.
From above technical scheme, the online transient test system of electronic current mutual inductor provided by the invention, by the transient heavy current of Measurement accuracy primary side system, and make it first by after standard source collecting transient data system, again by tested mutual inductor, eventually pass through both transient signals all by Transient Signal Processing system acceptance also, so namely the former can be used as the criterion of transient characterisitics quality when tested mutual inductor breaks down in true operation, compare current online transient test system, transient test system provided by the invention more can reflect the transient characterisitics precision of tested mutual inductor really.
The present invention, by the operation in-site installation at tested mutual inductor, utilizes wireless transceiver system technology that standard source data are sent to Transient Signal Processing and leads to, complete the online transient test of electronic mutual inductor.Detection system of the present invention is in running always, when discovery primary side system has transient state process, then completes a transient state and detects, and enter in transient state process wait next time.The method has versatility; electronic current mutual inductor transient characterisitics can be made to test this important test job and to be no longer confined to other specialized laboratory extremely individual; the transient test ability that electronic current mutual inductor scene is run can be improved; improve the safety and reliability of intelligent grid relay protection device protection act when fault occurs, for the safe and stable operation of electrical network provides safeguard.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, for those of ordinary skills, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the online transient test system of a kind of electronic current mutual inductor that Fig. 1 provides for the embodiment of the present invention.
Wherein:
1-standard source collecting transient data system, 101-shunt, 102-information conditioning module, 103-analog-to-digital conversion module, 104-sampling unit, unit during 105-first couple, the tested electronic current mutual inductor of 2-, 3-tested electronic current mutual inductor collecting transient data system, 301-collecting unit, 302-merge cells, 4-fiber optical transceiver, 5-wireless transceiver system, 501-wireless sending module, 502-wireless receiving module, 6-Transient Signal Processing system, 601-Signal reception fpga chip, unit during 602-second couple, 603-transient signal analytic unit.
Embodiment
The invention provides the online transient test system of a kind of electronic current mutual inductor, solve the problem that the transient state progress of disease measuring accuracy of electronic current mutual inductor of the prior art is lower.
Technical scheme in the present invention is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
The online transient test system of electronic current mutual inductor provided by the invention, comprises standard source collecting transient data system 1, tested electronic current mutual inductor 2, tested electronic current mutual inductor collecting transient data system 3 and Transient Signal Processing system 6; Described standard source collecting transient data system 1 is arranged on the position near described tested electronic current mutual inductor primary side system.Described standard source collecting transient data system 1 is communicated to connect by wireless transceiver system 5 with described Transient Signal Processing system 6; Described tested electronic current mutual inductor 2, tested electronic current mutual inductor collecting transient data system 3 and Transient Signal Processing system 6 are electrically connected successively.
From above technical scheme, the online transient test system of electronic current mutual inductor provided by the invention, by the transient heavy current of Measurement accuracy primary side system, and make it first by after standard source collecting transient data system, again by tested electronic current mutual inductor 2, the transient signal eventually passing through both is all received also by Transient Signal Processing system 6, so namely the former can be used as the criterion of transient characterisitics quality when tested mutual inductor breaks down in true operation, compare current online transient test system, transient test system provided by the invention more can reflect the transient characterisitics precision of tested mutual inductor really.
The present invention, by the operation in-site installation at tested mutual inductor, utilizes wireless transceiver system technology that standard source data are sent to Transient Signal Processing and leads to, complete the online transient test of electronic mutual inductor.Detection system of the present invention is in running always, when discovery primary side system has transient state process, then completes a transient state and detects, and enter in transient state process wait next time.The method has versatility; electronic current mutual inductor transient characterisitics can be made to test this important test job and to be no longer confined to other specialized laboratory extremely individual; the transient test ability that electronic current mutual inductor scene is run can be improved; improve the safety and reliability of intelligent grid relay protection device protection act when fault occurs, for the safe and stable operation of electrical network provides safeguard.
In the online transient test system of above-mentioned electronic current mutual inductor, described standard source collecting transient data system comprises the shunt 101, Signal-regulated kinase 102, analog-to-digital conversion module 103 and the sampling fpga chip that are electrically connected successively, and another output terminal of described shunt 101 is electrically connected with described tested electronic current mutual inductor 2; As shown in Figure 1, when breaking down from an examining system, the transient current part produced is by shunt 101, and transient heavy current is converted to small magnitude voltage signal and deliver to Signal-regulated kinase 102, another part transient heavy current directly enters tested electronic current mutual inductor 2.Adopt shunt 101 as transient state standard source effectively improve transient state process sampling precision and not by the impact of the factors such as electromagnetic transient such as iron core cutter.Above-mentioned information conditioning module 102 is by voltage signal conditioning to the collectable voltage range of modulus acquisition module, and after analog to digital conversion, the collection of sampling fpga chip is as the transient information of standard source.Described wireless transceiver system comprises wireless sending module 501 and wireless receiving module 502; The input end of described wireless sending module 501 is electrically connected with described sampling fpga chip, the input end of output terminal and described wireless receiving module 502 communicates to connect; The output terminal of described wireless receiving module 502 is electrically connected with described Transient Signal Processing system 6.The transient signal gathering fpga chip collection is communicated with Transient Signal Processing system 6 by wireless sending module 501.Adopt wireless communication technology, standard source sampling unit and Transient Signal Processing system are without physical connection, and insulating reliability is high.
In the online transient test system of above-mentioned electronic current mutual inductor, described tested electronic current mutual inductor collecting transient data system bag 3 draws together the collecting unit 301 and merge cells 302 that are electrically connected successively, described collecting unit 301 and described tested electronic current mutual inductor 2 are electrically connected, and described merge cells 301 is electrically connected with described Transient Signal Processing system 6 by fiber optical transceiver 4.
In order to eliminate in transient information transport process, in standard source sampling, the sampling time sequence that causes and Transient Signal Processing is synchronous, unit 105 when described sampling fpga chip comprises sampling unit 104 and first pair, described sampling unit 104 and first pair time unit 105 be all electrically connected with described wireless sending module 502.Unit 602 and transient signal analytic unit 603 when described Transient Signal Processing system 6 comprises the Signal reception fpga chip 601, second pair be electrically connected successively, described Signal reception fpga chip 601 and second pair time unit 602 be all electrically connected with described wireless receiving module 502.When first pair unit 105 by with unit 602 radio communication when second pair, according to the sampling beat of the sequential beat of signal transacting adjustment sampling unit 104, and send sampled data by wireless sending module 501 after stamping markers by ordered pair sampled data time described.Synchronization accuracy University of Science and Technology 10us when adopting wireless 1588 couples, thus the precision improving the online transient test of the present invention.
In actual applications, following hardware device can be adopted to build above-mentioned Transient Signal Processing system: electronic current mutual inductor transient state wireless test main frame and host computer, the Signal reception fpga chip in main frame receives the Temporal Data from the standard source transient signal of wireless receiving module transmission and the tested electronic current mutual inductor via the forwarding of optical fiber transferring and receiving apparatus.Main frame by wireless transceiver system complete to sampling unit pair time and after realizing the high speed real-time Transmission of sampled data, complete sampled-data processing and pack and be responsible for communicating with host computer.
Test Host adopts High Accuracy Constant Temperature crystal oscillator to ensure the sequential of whole test macro, host computer gathers from the digital signal of standard source and the digital signal from tested mutual inductor respectively, and carry out time domain alignment according to the time relationship of these two groups of signals, these two groups of signals are carried out to the real time discriminating of Sudden Changing Rate simultaneously, namely think that Sudden Changing Rate occurs when discovery Sudden Changing Rate is greater than to arrange definite value and continue 2ms.Record standard source sudden change moment t1, and extract fundamental phase φ 1, system frequency f now; Record measured sudden change moment t2, and extract fundamental phase φ 2 now.Because the collection of standard source signal and the collection of measured number signal control asynchronous and sampling rate is also inconsistent based on respective crystal oscillator, so the time must be asynchronous, thus t1 moment and t2 moment must contain sampling asynchronous time; Simultaneously, due to the discretize of digital quantity, instantaneous value and the instantaneous value in measured sudden change moment in standard source sudden change moment must be discrepant, the difference of this instantaneous value was also reflected on the mistiming in t1 moment and t2 moment simultaneously, main frame carries out transient test process after compensating these mistimings in time domain again, completes the transient state instantaneous value accuracy test, transient state delay test, attenuation constant test etc. of electronic current mutual inductor in system failure process.Visible, the test error that the time domain error in the markers demarcation link of the wireless transmission after can eliminating analog to digital conversion like this brings.Adopt Sudden Changing Rate to determine initial time, utilize algorithm correction standard source and test product mistiming, eliminate the asynchronous impact brought to instantaneous value error of sampling.
In addition, the electric power loop of wireless transient state sampling front end units by get can coil from circuit get energy after the progress of disease can be processed by power module after provide stable voltage signal to provide power supply for whole wireless transient state front end units of sampling, arrange without external power supply, make the structure of whole Online Transaction Processing more succinct, and range of application is wider.Online Transaction Processing compatibility provided by the invention is comparatively strong, and the electronic mutual inductor type of support has: electricity and optics, low pressure and high pressure, all kinds of protocol type (IEC61850-9-1, IEC61850-9-2LE, state net IEC61850-9-2, IEC60044-8FT3, state net FT3).
Below, a concrete application example will be enumerated to further illustrate content of the present invention.In this test macro front end units, shunt designs according to In/0.05V, meet the transient current test request of electronic current mutual inductor 50 times, the signal of signal condition loop to shunt arranges the collection requirement meeting ADC, the sampling rate of ADC is every cycle 400 point, select 24 ∑-△ framework high-performance analog to digital converter ADS1271, to ensure that enough bandwidth sum precision obtain real primary current waveform.FPGA adopts the Spartan3 series of products XC3S1500 of Xilinx, and utilize radio communication to communicate with Test Host, radio communication frequency is 2.4GHz.Get can coil and power module according to 1% rated current design namely when system power is more than 1% system can normally work, the wireless transient state sampling front end units whole system wake-up time is less than 1ms.
In Test Host, fiber optical transceiver adopts AgilentAFBR5803, radio receiving transmitting module is consistent with the model that front end units adopts, FPGA adopts the Spartan3 series of products XC3S1500 of Xilinx to realize Ethernet sampled value and the reception of wireless sampled value of MU, FPGA adopts constant-temperature crystal oscillator, carry out precise time demarcation to each sampled value, the time jitter receiving link can control in nanosecond rank by the capability of sequential control that FPGA is good.
Adopt the MPC8247 embedded microprocessor of Freescale company, this processor belongs to PowerQUICCII series, comprises a kernel based on PowerPCMPC603e, and a communication process kernel CPM.Microprocessor carries out Sudden Changing Rate differentiation to standard source signal and measured signal simultaneously, and the computing formula of Sudden Changing Rate is as follows:
△ i=| [i (t)-i (t-T)] – [i (t-T)-i (t-2T)] |, t is current time, T is a power frequency cycle time, i.e. 20ms, Sudden Changing Rate starts 20% of threshold Iset power taking type current transformer ratings, as △ I >=Iset, and when continuing 2ms, be judged to be that Sudden Changing Rate occurs.Host computer carries out transient analysis according to the sudden change generation moment in sampled signal, by standard source signal and test product signal at one time axle carry out computational analysis, thus complete the transient state instantaneous value accuracy test, transient state delay test, attenuation constant test etc. of electronic current mutual inductor in system failure process.
By the description of above embodiment of the method, those skilled in the art can be well understood to the mode that the present invention can add required general hardware platform by software and realize, hardware can certainly be passed through, but in a lot of situation, the former is better embodiment.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: ROM (read-only memory) (ROM), random access memory (RAM), magnetic disc or CD etc. various can be program code stored medium.
It should be noted that, in this article, the such as relational terms of " first " and " second " etc. and so on is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
The above is only the specific embodiment of the present invention, those skilled in the art is understood or realizes the present invention.To be apparent to one skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. the online transient test system of electronic current mutual inductor, is characterized in that, comprises standard source collecting transient data system, tested electronic current mutual inductor, tested electronic current mutual inductor collecting transient data system and Transient Signal Processing system; Described standard source collecting transient data Operation system setting is in the position near described tested electronic current mutual inductor primary side system; Described standard source collecting transient data system and described Transient Signal Processing system are communicated to connect by wireless transceiver system; Described tested electronic current mutual inductor, tested electronic current mutual inductor collecting transient data system and Transient Signal Processing system are electrically connected successively.
2. the online transient test system of electronic current mutual inductor according to claim 1, is characterized in that, described standard source collecting transient data system comprises the shunt, Signal-regulated kinase, analog-to-digital conversion module and the sampling fpga chip that are electrically connected successively; Described wireless transceiver system comprises wireless sending module and wireless receiving module; Another output terminal of described shunt is electrically connected with described tested electronic current mutual inductor; The input end of described wireless sending module is electrically connected with described sampling fpga chip, the input end of output terminal and described wireless receiving module communicates to connect; The output terminal of described wireless receiving module is electrically connected with described Transient Signal Processing system.
3. the online transient test system of electronic current mutual inductor according to claim 1, it is characterized in that, described tested electronic current mutual inductor collecting transient data system comprises the collecting unit and merge cells that are electrically connected successively, described collecting unit and described tested electronic current mutual inductor electrical connection, described merge cells is electrically connected with described Transient Signal Processing system by fiber optical transceiver.
4. the online transient test system of electronic current mutual inductor according to claim 2, it is characterized in that, unit when described sampling fpga chip comprises sampling unit and first pair, described sampling unit and first pair time unit be all electrically connected with described wireless sending module.
5. the online transient test system of electronic current mutual inductor according to claim 1, it is characterized in that, described Transient Signal Processing system comprise Signal reception fpga chip, second pair time unit and transient signal analytic unit, described Signal reception fpga chip and second pair time unit be all electrically connected with described wireless receiving module, described transient signal analytic unit is electrically connected with described Signal reception fpga chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610120583.0A CN105572619A (en) | 2016-03-03 | 2016-03-03 | Online transient test system for electronic current transformer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610120583.0A CN105572619A (en) | 2016-03-03 | 2016-03-03 | Online transient test system for electronic current transformer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105572619A true CN105572619A (en) | 2016-05-11 |
Family
ID=55882968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610120583.0A Pending CN105572619A (en) | 2016-03-03 | 2016-03-03 | Online transient test system for electronic current transformer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105572619A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842645A (en) * | 2016-06-06 | 2016-08-10 | 中国南方电网有限责任公司电网技术研究中心 | Electronic transformer on-line monitoring device and monitoring method |
| CN106093825A (en) * | 2016-07-26 | 2016-11-09 | 中国南方电网有限责任公司电网技术研究中心 | A kind of device of optical transformer fault diagnosis |
| CN107967990A (en) * | 2017-11-23 | 2018-04-27 | 安徽鑫绿源电子科技有限公司 | A kind of electronic mutual inductor |
| CN108508399A (en) * | 2018-04-02 | 2018-09-07 | 国网安徽省电力有限公司电力科学研究院 | Voltage transient test method based on the emulation of electronic type voltage transformer transmittance process |
| CN108508398A (en) * | 2018-03-30 | 2018-09-07 | 中国西电电气股份有限公司 | A kind of multi channel currents transformer transient error testing device |
| CN110470173A (en) * | 2019-07-12 | 2019-11-19 | 中国人民解放军海军工程大学 | Cannon, which is raised, supplies mechanics of system state aware bullet and its test method |
| CN111025220A (en) * | 2019-12-11 | 2020-04-17 | 中国电力科学研究院有限公司 | Non-traditional current transformer transient characteristic verification method and system |
| CN113655274A (en) * | 2021-08-30 | 2021-11-16 | 西安交通大学 | A combined electronic transformer transient transfer performance detection system and method |
| CN114113747A (en) * | 2021-11-19 | 2022-03-01 | 云南电网有限责任公司电力科学研究院 | A DC Current Transient Step Standard for TMR Sensors |
| CN114859284A (en) * | 2022-06-13 | 2022-08-05 | 云南电网有限责任公司电力科学研究院 | Test method and system for step response of current transformer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101545939A (en) * | 2009-04-28 | 2009-09-30 | 江苏省电力试验研究院有限公司 | System for verifying transient characteristics of electronic transformer compatible with IEC61850 protocol |
| CN103630866A (en) * | 2013-09-09 | 2014-03-12 | 国家电网公司 | Transient characteristic detection system and transient characteristic detection method for electronic voltage transformers |
| CN104181490A (en) * | 2014-08-18 | 2014-12-03 | 国家电网公司 | Large-current transient state characteristic detection device of electronic current transformer |
| WO2015126610A1 (en) * | 2014-02-18 | 2015-08-27 | Alcatel Lucent | Transformer evaluation |
| CN205404785U (en) * | 2016-03-03 | 2016-07-27 | 云南电网有限责任公司电力科学研究院 | Online transient state testing arrangement of electronic type current transformer |
-
2016
- 2016-03-03 CN CN201610120583.0A patent/CN105572619A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101545939A (en) * | 2009-04-28 | 2009-09-30 | 江苏省电力试验研究院有限公司 | System for verifying transient characteristics of electronic transformer compatible with IEC61850 protocol |
| CN103630866A (en) * | 2013-09-09 | 2014-03-12 | 国家电网公司 | Transient characteristic detection system and transient characteristic detection method for electronic voltage transformers |
| WO2015126610A1 (en) * | 2014-02-18 | 2015-08-27 | Alcatel Lucent | Transformer evaluation |
| CN104181490A (en) * | 2014-08-18 | 2014-12-03 | 国家电网公司 | Large-current transient state characteristic detection device of electronic current transformer |
| CN205404785U (en) * | 2016-03-03 | 2016-07-27 | 云南电网有限责任公司电力科学研究院 | Online transient state testing arrangement of electronic type current transformer |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842645A (en) * | 2016-06-06 | 2016-08-10 | 中国南方电网有限责任公司电网技术研究中心 | Electronic transformer on-line monitoring device and monitoring method |
| CN105842645B (en) * | 2016-06-06 | 2018-11-30 | 中国南方电网有限责任公司电网技术研究中心 | Electronic transformer on-line monitoring device and monitoring method |
| CN106093825B (en) * | 2016-07-26 | 2019-08-23 | 中国南方电网有限责任公司电网技术研究中心 | A kind of device of optical transformer fault diagnosis |
| CN106093825A (en) * | 2016-07-26 | 2016-11-09 | 中国南方电网有限责任公司电网技术研究中心 | A kind of device of optical transformer fault diagnosis |
| CN107967990A (en) * | 2017-11-23 | 2018-04-27 | 安徽鑫绿源电子科技有限公司 | A kind of electronic mutual inductor |
| CN108508398A (en) * | 2018-03-30 | 2018-09-07 | 中国西电电气股份有限公司 | A kind of multi channel currents transformer transient error testing device |
| CN108508399A (en) * | 2018-04-02 | 2018-09-07 | 国网安徽省电力有限公司电力科学研究院 | Voltage transient test method based on the emulation of electronic type voltage transformer transmittance process |
| CN110470173A (en) * | 2019-07-12 | 2019-11-19 | 中国人民解放军海军工程大学 | Cannon, which is raised, supplies mechanics of system state aware bullet and its test method |
| CN110470173B (en) * | 2019-07-12 | 2021-07-27 | 中国人民解放军海军工程大学 | Mechanical state perception projectile of artillery lift supply and transportation system and its test method |
| CN111025220A (en) * | 2019-12-11 | 2020-04-17 | 中国电力科学研究院有限公司 | Non-traditional current transformer transient characteristic verification method and system |
| CN113655274A (en) * | 2021-08-30 | 2021-11-16 | 西安交通大学 | A combined electronic transformer transient transfer performance detection system and method |
| CN114113747A (en) * | 2021-11-19 | 2022-03-01 | 云南电网有限责任公司电力科学研究院 | A DC Current Transient Step Standard for TMR Sensors |
| CN114113747B (en) * | 2021-11-19 | 2024-04-09 | 云南电网有限责任公司电力科学研究院 | Direct current transient step standard of TMR sensor |
| CN114859284A (en) * | 2022-06-13 | 2022-08-05 | 云南电网有限责任公司电力科学研究院 | Test method and system for step response of current transformer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105572619A (en) | Online transient test system for electronic current transformer | |
| CN202886463U (en) | Intelligent electric energy meter with functions of electric leakage remote monitoring and protection | |
| CN103454559B (en) | A kind of one-phase earthing failure in electric distribution network Section Location and locating device | |
| CN102901881B (en) | On-site debugging method for digital substation | |
| CN103837852B (en) | All-fiber electronic current transformer frequency characteristic test device and method of testing | |
| CN102305922B (en) | On-load detection method and device for intelligent optical fiber electric energy meter in substation | |
| CN103176147A (en) | Current transformer remanence measurement system and method | |
| CN105548769B (en) | A kind of relay protection action delay placement test system and method | |
| CN102279311A (en) | Method for online detection and total loss determination of neutral current of distribution transformer | |
| CN103592554A (en) | On-line monitoring system and method of 35kV high voltage shunt capacitor | |
| CN109814061B (en) | Information safety reliability detection method and device for metering terminal and intelligent electric meter | |
| CN105914763A (en) | Novel intelligent phase change switch and method for distribution network | |
| CN102035261A (en) | Monitoring system for smart grid | |
| CN102590698B (en) | Small current grounding line selection device and control method of voltage disturbance locked line selection | |
| CN110187193A (en) | Dielectric loss based on whole station voltage transformer judgement of stability monitors system and method | |
| CN204992761U (en) | Electric energy quality is synthesized and is observed and controled appearance | |
| CN106707026A (en) | Device for measuring electric reactance of electric energy metering secondary circuit | |
| CN104062617A (en) | Merging-unit metrological-characteristic on-site detecting system and method thereof | |
| CN102707174B (en) | Detection system and method of operation state of resistor type superconductive current limiter | |
| CN104101806A (en) | ARM and DSP based multi-circuit power quality online monitoring device | |
| CN203433104U (en) | Real load error detector for secondary electric-energy metering loop of intelligent transformer station | |
| CN104101787A (en) | Portable low-voltage reactive compensation standard detection system and detection method | |
| CN205861836U (en) | The voltage dip synchronous monitoring system of multistage power grid | |
| CN209879495U (en) | Information safety and reliability detection device for intelligent terminal and electricity meter | |
| CN209311566U (en) | Signal validation apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160511 |