CN101937032B - Method for implementing fault playback of wave recording file in relay protection device - Google Patents
Method for implementing fault playback of wave recording file in relay protection device Download PDFInfo
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- CN101937032B CN101937032B CN2010102265460A CN201010226546A CN101937032B CN 101937032 B CN101937032 B CN 101937032B CN 2010102265460 A CN2010102265460 A CN 2010102265460A CN 201010226546 A CN201010226546 A CN 201010226546A CN 101937032 B CN101937032 B CN 101937032B
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Abstract
The invention discloses a method for implementing fault playback of a wave recording file in a relay protection device, which comprises the following steps of: importing data of the wave recording file of an electrical power system transient data interchange general format (COMTRADE) into the relay protection device through a general computer to perform the fault playback, converting the data of the wave recording file of the COMTRADE into the data capable of being identified by the relay protection device, and controlling the relay protection device to perform the fault playback. The method enables the relay protection device to perform the fault playback of the wave recording file of the COMTRADE without relying on the special test equipment so as to solve the problems of additional equipment required for the fault playback and inconvenient use.
Description
Technical field
The invention belongs to the technical field of Automation of Electric Systems device; Being implemented in can be directly to electrical power system transient data interchange general format record ripple file in the power system relay protection device; Be that COMTRADE record ripple file carries out the fault playback, be a kind of method that in protective relaying device, realizes the playback of record ripple file fault.
Background technology
COMTRADE is the general record ripple of a kind of electrical power system transient exchanges data file layout of IEEE Std C37.111-1999 definition, is widely used in the power automation field.When system broke down the protection action, protective relaying device or special-purpose fault oscillograph can be recorded the variation and the switch motion situation of the important electric parameters in the register system in the ripple file at the COMTRADE form.The failure wave-recording file is carried out the fault playback, for analytic system failure cause, check relay protection action behavior provide valuable data.
But the record ripple file to the COMTRADE form carried out the testing apparatus that the fault playback need be used special use, for example relay-protection tester, RTDS real-time emulation system etc. in the past.These equipment prices are all very expensive, and are not easy to carry, even because equipment is too huge, can only use in special laboratory.
Summary of the invention
The technical matters that the present invention will solve is: existing protective relaying device relies on special-purpose testing apparatus; Could carry out the fault playback to the failure wave-recording file of COMTRADE form; The fault playback needs extras, uses inconvenience, receives the restriction of use cost and place to use.
Technical scheme of the present invention is: the method that in protective relaying device, realizes the playback of record ripple file fault; Through the data importing protective relaying device of multi-purpose computer with electrical power system transient data interchange general format COMTRADE record ripple file; Carry out the fault playback, may further comprise the steps:
1) program that corresponding COMTRADE records the ripple file is set in multi-purpose computer, opens COMTRADE record ripple file, read the wherein data of record, comprise SF, sampled value, passage coefficient and the channel offset of channel data;
2) multi-purpose computer carries out communication with protective relaying device through communication interface and is connected; Obtain the correlation parameter that is used for the fault playback in the protective relaying device; Comprise: the attribute of the SF of protective relaying device, the quantity of analog input channel, each analog quantity channel, the maximum fault playback of data length of supporting, wherein the attribute of each analog quantity channel comprises channel type, passage coefficient, channel offset;
3) obtain the analog quantity channel information of protective relaying device; Each analog quantity channel of protective relaying device is related with the analog quantity channel in the corresponding C OMTRADE record ripple file, make the protective relaying device analog quantity channel corresponding one by one with the analog quantity channel that COMTRADE records in the ripple file;
4) SF that adopts interpolation algorithm that COMTRADE is recorded analog quantity channel in the ripple file converts the SF of protective relaying device into; And according to formula:
The sampled data that COMTADE is recorded in the ripple file converts the A/D sampled data that protective relaying device can be discerned into; According to the corresponding relation of the analog quantity channel of the analog quantity channel of protective relaying device and COMTRADE record ripple file, the sampled data that conversion is come out saves as fault playback of data file;
5) multi-purpose computer imports protective relaying device with fault playback of data file through communication interface; The control protective relaying device carries out the fault playback; At this moment; The fault playback of data that the A/D sampling module of protective relaying device will import from multi-purpose computer automatically according to the record simulated failure process of COMTRADE record ripple file, is realized the fault playback of COMTRADE record ripple file as true service data.
Communication interface comprises Ethernet, standard 232 serial ports, CAN bus; According to transmission direction; Content of communciation comprises downlink message and uplink message, and downlink message refers to mail to by multi-purpose computer the communication packet of protective relaying device, and uplink message refers to mail to by protective relaying device the message of multi-purpose computer; Wherein protective relaying device responds the instruction that multi-purpose computer is initiated, not active upload data.
Further, downlink message comprises: read failure playback parameter message, fault playback of data dress message, fault playback controls down begin or stop message, fault replayed section monitoring messages; Uplink message comprises: confirmation message, fault playback parameter response message, fault playback state response message; Communication process is specially:
1) obtain the correlation parameter that is used for the fault playback in the protective relaying device: multi-purpose computer issues read failure playback parameter message to protective relaying device; Protective relaying device is after receiving this message; Correlation parameter with the fault playback; Comprise: the attribute of the SF of protective relaying device, the quantity of analog input channel, each analog quantity channel and the maximum fault playback of data length of supporting are organized as fault playback parameter response message and send to multi-purpose computer, and wherein the attribute of each analog quantity channel comprises channel type, passage coefficient and channel offset; Multi-purpose computer receives fault playback parameter response message, and this message is resolved, and can obtain the fault playback correlation parameter of protective relaying device;
2) fault playback of data file imports protective relaying device: multi-purpose computer is adorned message with fault playback of data file organization down for the fault playback of data, is issued to protective relaying device; Protective relaying device is replied confirmation message after receiving this message, the notice multi-purpose computer has been received the fault playback of data;
3) fault playback controls: multi-purpose computer issues that the fault playback controls begins or fault playback controls end message, and protective relaying device begins or stop this fault playback after receiving this message, replys confirmation message simultaneously and gives multi-purpose computer;
4) the fault playback state is kept watch on: multi-purpose computer issues fault replayed section monitoring messages, and protective relaying device is organized as fault playback state response message with current playback state and playback progress, and postbacks to multi-purpose computer after receiving this message; Generally receive fault playback state response message, and this message is resolved, obtain current fault playback state and fault playback progress msg.
Fault playback of data file of the present invention is a string binary data; The analog quantity channel of storing corresponding protective relaying device is counted the sampled value data of n, sampled point number m and each analog quantity channel; Bytes store is a little endian mode; It is two byte signless integers that analog quantity channel is counted n, and sampled point number m is the nybble signless integer, and the sampled value data are two byte signed integers; The value that preceding 2 bytes store analog quantity channels are counted n in the fault playback of data file; Thereafter 4 bytes store need the value of the sampled point number m of fault playback; Afterwards in order store sample point 1 in the sampled data of passage 1～n, sampled point 2 sampled data, until sampled point m is in the sampled data of passage 1～n at passage 1～n.
The inventive method makes protective relaying device need not rely on special-purpose testing apparatus, can record the ripple file to COMTRADE and carry out the fault playback, needs extras and inconvenient problem with use thereby solved the fault playback.The present invention does not need special test equipment; As long as utilize multi-purpose computers such as PC or notebook to carry out the COMTRADE wave record playback to protective relaying device; Convenience and the dirigibility used have so just been improved greatly; Even at engineering site, also can carry out fault playback test to protective relaying device; And the saving cost need not bought the expensive dedicated testing apparatus, can carry out fault playback test to protective relaying device yet.
Description of drawings
Fig. 1 is a control flow chart of the present invention.
Fig. 2 is a fault playback of data format conversion process flow diagram of the present invention.
Fig. 3 is the form synoptic diagram of fault playback of data file of the present invention.
Embodiment
Below in conjunction with Fig. 1 the present invention is done further explanation.Fig. 1 is a control flow chart of the present invention.The course of work is explained as follows:
In protective relaying device, realize the method for record ripple file fault playback,, carry out the fault playback, may further comprise the steps through the data importing protective relaying device of multi-purpose computer with electrical power system transient data interchange general format COMTRADE record ripple file:
1) program that corresponding COMTRADE records the ripple file is set in multi-purpose computer, opens COMTRADE record ripple file, read the wherein data of record, comprise SF, sampled value, passage coefficient and the channel offset of channel data;
2) multi-purpose computer carries out communication with protective relaying device through communication interface and is connected; Obtain the correlation parameter that is used for the fault playback in the protective relaying device; Comprise: the attribute of the SF of protective relaying device, the quantity of analog input channel, each analog quantity channel, the maximum fault playback of data length of supporting, wherein the attribute of each analog quantity channel comprises channel type, passage coefficient, channel offset;
3) obtain the analog quantity channel information of protective relaying device; Each analog quantity channel of protective relaying device is related with the analog quantity channel in the corresponding C OMTRADE record ripple file, make the protective relaying device analog quantity channel corresponding one by one with the analog quantity channel that COMTRADE records in the ripple file;
4) SF that adopts interpolation algorithm that COMTRADE is recorded analog quantity channel in the ripple file converts the SF of protective relaying device into; And according to formula:
The sampled data that COMTADE is recorded in the ripple file converts the A/D sampling raw data that protective relaying device can be discerned into; According to the corresponding relation of the analog quantity channel of the analog quantity channel of protective relaying device and COMTRADE record ripple file, the sampling raw data that conversion is come out saves as fault playback of data file;
5) multi-purpose computer imports protective relaying device with fault playback of data file through communication interface; The control protective relaying device carries out the fault playback; At this moment; The fault playback of data that the A/D sampling module of protective relaying device will import from multi-purpose computer automatically according to the record simulated failure process of COMTRADE record ripple file, is realized the fault playback of COMTRADE record ripple file as true service data.
Because COMTRADE record ripple file possibly be other protective relaying devices or fault oscillograph record; Its analog quantity channel is not corresponding one by one with the protective relaying device analog input channel of carrying out the fault playback; Therefore need according to the correlation parameter of the protective relaying device fault playback that gets access to and the attribute of each analog quantity channel, be the analog quantity channel in the related corresponding C OMTRADE record of each passage of the protective relaying device ripple file.
For the record ripple file of COMTRADE form, must carry out necessary format conversion, can download to and carry out the fault playback in the protective relaying device, reason is following:
A), because COMTRADE record ripple file data form is comparatively complicated, in protective relaying device, directly COMTRADE record ripple file is resolved and the playback recorder data realizes that difficulty is bigger;
B), COMTRADE record ripple file is supported many SFs; And the SF of device generally is invariable; Even have only a SF; Also maybe be inconsistent with the SF of the protective relaying device of preparing to carry out the fault playback, therefore adopt interpolation algorithm, the SF that COMTRADE is recorded the channel data of ripple file converts the SF of device into;
C), because the passage coefficient that COMTRADE record ripple file is preserved, channel offset etc. are inconsistent with device, therefore need COMTADE be recorded sampled data in the ripple file and convert A/D that protective relaying device can the discern raw data of sampling into.
The analog quantity computing formula of COMTRADE record ripple file is following:
Analog quantity two sub-values=
COMTRADE sampled value * COMTRADE passage coefficient+COMTRADE channel offset;
(1)
And the analog quantity computing formula of protective relaying device is generally:
Analog quantity two sub-values=
(protective relaying device sampled value+protective relaying device channel offset) * protective relaying device passage coefficient;
(2)
No matter owing to be COMTRADE record ripple, or the calculating of device analog quantity, its two sub-values of changing out should equate, therefore can release according to formula (1) and formula (2):
Wherein, COMTRADE passage coefficient, COMTRADE channel offset and COMTRADE sampled value all can be recorded the ripple file from COMTRADE and obtained; Protective relaying device passage coefficient then reads out from protective relaying device with the device channel offset, is transferred to multi-purpose computer through communication interface.
Below in conjunction with Fig. 2 the fault playback of data format conversion among the present invention is further explained.Fig. 2 is a fault playback of data format conversion process flow diagram of the present invention, and the course of work is explained as follows:
1) at first adopts the sampled point interpolation algorithm,, COMTRADE is recorded the SF that SF in the ripple file converts protective relaying device into like 9 batten interpolation.
For example: the data recorded SF is 600Hz in the COMTRADE record ripple file, and protective relaying device is weekly ripple 24 point samplings, and its SF is 1200Hz, needs to adopt interpolation algorithm, and the sampled data among the COMTRADE is replenished.
2) according to the formula in the preceding text (3), the sampled value of COMTRADE being recorded each sampled point in the ripple file converts the sampled data that protective relaying device can be discerned into.
3) according to the corresponding relation of protective relaying device analog quantity channel and COMTRADE analog quantity channel, the sampling raw data that conversion is come out saves as fault playback of data file.
Fault playback of data file is a string binary data, wherein preserves the sampled value data that analog quantity channel is counted number m and each analog quantity channel of n, sampled point, and bytes store is little endian mode (Little-Endian).It is two byte signless integers that analog quantity channel is counted n, sampled point number m nybble signless integer, and the sampled value data are two byte signed integers.
As shown in Figure 3: the value that preceding 2 bytes store analog quantity channels are counted n in the fault playback of data form; Thereafter 4 bytes store need the value of the sampled point number m of fault playback; The sampled data of the sampled data of later then passage 1～n store sample point 1 in order, the passage 1～n of sampled point 2 is until the sampled data of passage 1～n of sampled point m.
Realize following function through computer program on the multi-purpose computer of the present invention:
1) run on windows platform, realize COMTRADE record ripple file check with analyze, read with communication, the protective relaying device fault playback parameter of protective relaying device, analog quantity channel is related, fault playback of data format conversion, the download of fault playback of data and fault playback controls and supervision;
2) COMTRADE checks and analyzes: open any record ripple file through corresponding program based on COMTRADE 1991 or COMTRADE 1999 standards, and with each analog quantity, digital quantity channel data in the mode viewing files of figure; Simultaneously can also carry out simple analysis to recorder data, the calculating of the for example calculating of first-harmonic and each harmonic, each preface component, the stack of waveform, the phase shift of waveform etc.
3) communication function: utilize communication interface; For example Ethernet, standard 232 serial ports, CAN EBI; The communication of carrying out multi-purpose computer and protective relaying device is mutual, realizes that the fault playback parameter reads, the fault playback of data is downloaded and fault playback controls and function for monitoring;
4) plant failure playback parameter read functions: through communication interface, multi-purpose computer issues calling fault playback parameter message, after device is received this calling message, can fault playback correlation parameter be organized into an envelope message, replies to computing machine then.Fault playback correlation parameter comprises: the attribute of the SF of protective relaying device, the quantity of analog input channel, each analog quantity channel, the maximum fault playback of data length of supporting, wherein the attribute of each analog quantity channel comprises channel type, passage coefficient, channel offset.
5) analog quantity channel correlation function: because analog quantity channel that writes down and the protective relaying device analog input channel of carrying out the fault playback might not be corresponding one by one in the COMTRADE record ripple file, the analog quantity channel that writes down among the COMTRADE with the analog quantity channel that installs association correspondence one by one.
6) fault playback of data format conversion function: COMTRADE is recorded the ripple file data convert fault playback of data file into;
7) the fault playback of data is downloaded: fault playback of data file group is made into communication packet, through communication interface, these data is downloaded in the protective relaying device;
8) fault playback controls and function for monitoring: after the fault playback of data downloaded to device, multi-purpose computer can be controlled beginning or stop the fault playback, and kept watch on the progress when the prior fault playback.Its implementation is following:
A), the playback of control beginning fault be set, stop fault playback controls message, multi-purpose computer is controlled the beginning of relay protection device and is stopped the fault playback through issuing the message of these two kinds of forms;
B), inquiry when prior fault playback progress, multi-purpose computer issues inquiry playback progress message, after protective relaying device receives this message, replys the message that comprises current playback progress percentage data, realizes keeping watch on the function of working as prior fault playback progress.
To carry out communication through communication interfaces such as RS232, CAN or Ethernets mutual with protective relaying device on the multi-purpose computer of the present invention, thereby realize that the fault playback parameter reads, the fault playback of data is downloaded and fault playback controls and supervision.
Different according to transmission direction, communication comprises downlink message and uplink message, and downlink message refers to mail to by computing machine the communication packet of device, and uplink message refers to mail to by device the message of computing machine.The debugging communications protocol is the formula of replying, and that is to say, installs the instruction of responsive computer initiation always, and can not send data in the active.
Downlink message comprises: read failure playback parameter message, fault playback of data dress message, fault playback controls down begin or stop message, fault replayed section monitoring messages; Uplink message comprises: confirmation message, fault playback parameter response message, fault playback state response message; Communication process is specially:
1) obtain the correlation parameter that is used for the fault playback in the protective relaying device: multi-purpose computer issues read failure playback parameter message to protective relaying device; Protective relaying device is after receiving this message; Correlation parameter with the fault playback; Comprise: the attribute of the SF of protective relaying device, the quantity of analog input channel, each analog quantity channel and the maximum fault playback of data length of supporting are organized as fault playback parameter response message and send to multi-purpose computer, and wherein the attribute of each analog quantity channel comprises channel type, passage coefficient and channel offset; Multi-purpose computer receives fault playback parameter response message, and this message is resolved, and can obtain the fault playback correlation parameter of protective relaying device;
2) fault playback of data file imports protective relaying device: multi-purpose computer is adorned message with fault playback of data file organization down for the fault playback of data, is issued to protective relaying device; Protective relaying device is replied confirmation message after receiving this message, the notice multi-purpose computer has been received the fault playback of data;
3) fault playback controls: multi-purpose computer issues that the fault playback controls begins or fault playback controls end message, and protective relaying device begins or stop this fault playback after receiving this message, replys confirmation message simultaneously and gives multi-purpose computer;
4) the fault playback state is kept watch on: multi-purpose computer issues fault replayed section monitoring messages, and protective relaying device is organized as fault playback state response message with current playback state and playback progress, and postbacks to multi-purpose computer after receiving this message; Generally receive fault playback state response message, and this message is resolved, obtain current fault playback state and fault playback progress msg.
Claims (4)
1. in protective relaying device, realize the method for record ripple file fault playback; It is characterized in that through the data importing protective relaying device of multi-purpose computer electrical power system transient data interchange general format COMTRADE record ripple file; Carry out the fault playback, may further comprise the steps:
1) program that corresponding COMTRADE records the ripple file is set in multi-purpose computer, opens COMTRADE record ripple file, read the wherein data of record, comprise SF, sampled value, passage coefficient and the channel offset of channel data;
2) multi-purpose computer carries out communication with protective relaying device through communication interface and is connected; Obtain the correlation parameter that is used for the fault playback in the protective relaying device; Comprise: the attribute of the SF of protective relaying device, the quantity of analog input channel, each analog quantity channel, the maximum fault playback of data length of supporting, wherein the attribute of each analog quantity channel comprises channel type, passage coefficient, channel offset;
3) obtain the analog quantity channel information of protective relaying device; Each analog quantity channel of protective relaying device is related with the analog quantity channel in the corresponding C OMTRADE record ripple file, make the protective relaying device analog quantity channel corresponding one by one with the analog quantity channel that COMTRADE records in the ripple file;
4) SF that adopts interpolation algorithm that COMTRADE is recorded analog quantity channel in the ripple file converts the SF of protective relaying device into; And according to formula:
The sampled value data-switching that COMTRADE is recorded in the ripple file is the A/D sampled value data that protective relaying device can be discerned; According to the corresponding relation of the analog quantity channel of the analog quantity channel of protective relaying device and COMTRADE record ripple file, the sampled value data that conversion is come out save as fault playback of data file;
5) multi-purpose computer imports protective relaying device with fault playback of data file through communication interface; The control protective relaying device carries out the fault playback; At this moment; The fault playback of data that the A/D sampling module of protective relaying device will import from multi-purpose computer automatically according to the record simulated failure process of COMTRADE record ripple file, is realized the fault playback of COMTRADE record ripple file as true service data.
2. the method that in protective relaying device, realizes the playback of record ripple file fault according to claim 1; It is characterized in that communication interface comprises Ethernet, standard 232 serial ports, CAN bus; According to transmission direction; Content of communciation comprises downlink message and uplink message, and downlink message refers to mail to by multi-purpose computer the communication packet of protective relaying device, and uplink message refers to mail to by protective relaying device the message of multi-purpose computer; Wherein protective relaying device responds the instruction that multi-purpose computer is initiated, not active upload data.
3. the method that in protective relaying device, realizes the playback of record ripple file fault according to claim 2, it is characterized in that downlink message comprises: read failure playback parameter message, fault playback of data dress message, fault playback controls down begin or stop message, fault replayed section monitoring messages; Uplink message comprises: confirmation message, fault playback parameter response message, fault playback state response message; Communication process is specially:
1) obtain the correlation parameter that is used for the fault playback in the protective relaying device: multi-purpose computer issues read failure playback parameter message to protective relaying device; Protective relaying device is after receiving this read failure playback parameter message; Correlation parameter with the fault playback; Comprise: the attribute of the SF of protective relaying device, the quantity of analog input channel, each analog quantity channel and the maximum fault playback of data length of supporting are organized as fault playback parameter response message and send to multi-purpose computer, and wherein the attribute of each analog quantity channel comprises channel type, passage coefficient and channel offset; Multi-purpose computer receives fault playback parameter response message, and this fault playback parameter response message is resolved, and can obtain the fault playback correlation parameter of protective relaying device;
2) fault playback of data file imports protective relaying device: multi-purpose computer is adorned message with fault playback of data file organization down for the fault playback of data, is issued to protective relaying device; Protective relaying device is replied confirmation message after receiving under this fault playback of data the dress message, the notice multi-purpose computer has been received the fault playback of data;
3) fault playback controls: multi-purpose computer issues that the fault playback controls begins or fault playback controls end message; Protective relaying device receive that this fault playback controls begins or fault playback controls end message after; Beginning or stop this fault playback is replied confirmation message simultaneously and is given multi-purpose computer;
4) the fault playback state is kept watch on: multi-purpose computer issues fault replayed section monitoring messages; Protective relaying device is after receiving this fault replayed section monitoring messages; Current playback state and playback progress are organized as fault playback state response message, and postback to multi-purpose computer; The general fault playback state response message that receives, and this fault playback state response message resolved, current fault playback state and fault playback progress msg obtained.
4. according to claim 1 or the 2 or 3 described methods that in protective relaying device, realize the playback of record ripple file fault; It is characterized in that fault playback of data file is a string binary data; The analog quantity channel of storing corresponding protective relaying device is counted the sampled value data of n, sampled point number m and each analog quantity channel; Bytes store is a little endian mode; It is two byte signless integers that analog quantity channel is counted n, and sampled point number m is the nybble signless integer, and the sampled value data are two byte signed integers; The value that preceding 2 bytes store analog quantity channels are counted n in the fault playback of data file; Thereafter 4 bytes store need the value of the sampled point number m of fault playback; Afterwards in order store sample point 1 in the sampled value data of passage 1～n, sampled point 2 sampled value data, until sampled point m is in the sampled value data of passage 1～n at passage 1～n.
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| CN102710012B (en) * | 2012-04-09 | 2015-07-08 | 浙江省电力公司 | Data resynchronization method for analyzing fault waveform of intelligent transformer substation |
| CN104036070B (en) * | 2014-05-19 | 2017-06-13 | 国家电网公司 | One kind record ripple digitlization back method |
| CN105488058B (en) * | 2014-09-17 | 2018-10-16 | 华中科技大学 | A kind of Power System Fault Record format conversion method |
| CN104730401A (en) * | 2015-04-10 | 2015-06-24 | 中国电力科学研究院 | Implementation method for waveform replay of record files of any length based on double-buffered mode |
| CN107092198B (en) * | 2016-02-17 | 2020-06-23 | 中国南方电网有限责任公司电网技术研究中心 | Fault analysis method and system for high-voltage direct-current transmission system |
| CN107271804A (en) * | 2016-04-06 | 2017-10-20 | 西门子电力自动化有限公司 | The failure wave-recording method and apparatus of power system |
| CN107832415B (en) * | 2017-11-07 | 2020-12-01 | 广东电网有限责任公司电力调度控制中心 | Method for rapidly analyzing COMTRADE binary data file |
| CN108021081A (en) * | 2017-12-06 | 2018-05-11 | 国网江苏省电力公司南通供电公司 | The playback test method controlled based on WLAN and sample time domain |
| CN108445322A (en) * | 2018-03-19 | 2018-08-24 | 成都滕达科技有限公司 | A kind of relay protection fault back method |
| CN109101714A (en) * | 2018-08-02 | 2018-12-28 | 云南电网有限责任公司昆明供电局 | A method of verifying protective relaying device logic function |
| CN109406993B (en) * | 2018-10-11 | 2021-03-02 | 国网江苏省电力有限公司电力科学研究院 | Relay protection automatic test method, device and system based on wave recording file playback |
| CN109450451B (en) * | 2018-10-19 | 2022-05-24 | 国网天津市电力公司电力科学研究院 | Seamless splicing compression processing method and device for waveform playback |
| CN111638413A (en) * | 2020-06-02 | 2020-09-08 | 国家电网有限公司 | Intelligent substation fault waveform playback analysis system and method |
| CN116990622B (en) * | 2023-09-26 | 2023-12-15 | 国网辽宁省电力有限公司电力科学研究院 | Fault wave recording method, device, equipment and medium of transformer substation direct current system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101183132A (en) * | 2007-09-21 | 2008-05-21 | 江苏金智科技股份有限公司 | Wave record method supporting electrical power system transient data interchange general format |
| CN201191763Y (en) * | 2008-01-30 | 2009-02-04 | 华东电网有限公司 | Relay protection failure information processing apparatus protecting apparatus by wave recording document positioning |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070159746A1 (en) * | 2005-12-30 | 2007-07-12 | General Electric Company | Centrally controlled protection systems having reduced energy let-through mode |
-
2010
- 2010-07-14 CN CN2010102265460A patent/CN101937032B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101183132A (en) * | 2007-09-21 | 2008-05-21 | 江苏金智科技股份有限公司 | Wave record method supporting electrical power system transient data interchange general format |
| CN201191763Y (en) * | 2008-01-30 | 2009-02-04 | 华东电网有限公司 | Relay protection failure information processing apparatus protecting apparatus by wave recording document positioning |
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