CN108289045A - A kind of RS-232 digital channels detection device - Google Patents

A kind of RS-232 digital channels detection device Download PDF

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Publication number
CN108289045A
CN108289045A CN201711425964.0A CN201711425964A CN108289045A CN 108289045 A CN108289045 A CN 108289045A CN 201711425964 A CN201711425964 A CN 201711425964A CN 108289045 A CN108289045 A CN 108289045A
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CN
China
Prior art keywords
data
substation
module
test
digital channels
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Pending
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CN201711425964.0A
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Chinese (zh)
Inventor
王延涛
韩其东
赵利
吴玉娥
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Binzhou Power Supply Co of State Grid Shandong Electric Power Co Ltd
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State Grid Corp of China SGCC
Binzhou Power Supply Co of State Grid Shandong Electric Power Co Ltd
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Publication date
Application filed by State Grid Corp of China SGCC, Binzhou Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201711425964.0A priority Critical patent/CN108289045A/en
Publication of CN108289045A publication Critical patent/CN108289045A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L43/00Arrangements for monitoring or testing data switching networks
    • H04L43/50Testing arrangements

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The present invention provides a kind of 232 digital channel detection devices of RS, including control module, control module is connected with power module, Test data generation module, display module, 232 serial ports conversion modules of RS and test pattern setup module, and 232 serial ports conversion modules of RS are connected with 232 digital channels of RS to be measured;232 digital channels of RS to be measured include the Five-channel section that the fourth lane section that the third channel section that is connect with main station side photoelectric conversion module of the second channel section that is connect with substation end photoelectric conversion module of substation the first passage section, the substation end PCM modules that are connect with substation end PCM modules, substation end photoelectric conversion module, main station side photoelectric conversion module are connect with main station side PCM modules and main station side PCM modules are connect with main website.The present invention realizes quick detection to 232 digital channels of RS, and detection data is accurate, at the same can precise positioning fault point, the testing time is short, improves testing efficiency.

Description

A kind of RS-232 digital channels detection device
Technical field
The invention belongs to telemechanical digital channel detection fields, and in particular to a kind of RS-232 digital channels detection device.
Background technology
The telemechanical digital channel of substation is RS-232 for the information transmission between main website and substation, telemechanical digital channel Digital channel is carried out using the method that multimeter measures voltage at present due to being not equipped with dedicated digital communication measuring instrument RS-232 digital channels breakdown judge and engineering debugging, are also shown and are analyzed to waveform by oscillograph, such method is deposited Long in the testing time, test reading is inaccurate, and ratio of doing over again is big, ineffective disadvantage.
This is the deficiencies in the prior art, therefore, in view of the above-mentioned drawbacks in the prior art, it is logical to provide a kind of RS-232 numbers Road detection device, is necessary.
Invention content
It is an object of the present invention to long for the above-mentioned RS-232 digital channels detection testing time, test reading is inaccurate, Ratio of doing over again is big, ineffective defect, provides a kind of RS-232 digital channels detection device, is asked with solving above-mentioned technology Topic.
To achieve the above object, the present invention provides following technical scheme:
A kind of RS-232 digital channels detection device, including control module, control module are connected with power module, test data life At module, display module, RS-232 serial ports conversion module and test pattern setup module, the connection of RS-232 serial ports conversion modules There are RS-232 digital channels to be measured;
RS-232 digital channels to be measured include substation connect with substation end PCM modules first passage section, substation end PCM modules with The second channel section of substation end photoelectric conversion module connection, substation end photoelectric conversion module are connect with main station side photoelectric conversion module Third channel section, the fourth lane section that is connect with main station side PCM modules of main station side photoelectric conversion module and main station side PCM moulds The Five-channel section that block is connect with main website.Third channel section is optical fiber.Different patterns is set by test setting module, is tested Data generation module generates corresponding test data.
Further, test pattern setup module includes that main station side test pattern setting unit and substation end test pattern are set Set unit;
Main station side test pattern setting unit is in main station side test pattern for RS-232 digital channel detection devices to be arranged Under, Test data generation module generates the data type that main website is sent to substation;
Substation end test pattern setting unit is in substation end test pattern for RS-232 digital channel detection devices to be arranged Under, Test data generation module generates the data type that substation is sent to main website.
Further, test pattern setup module further includes test data Configuration of baud rate unit;
Test data Configuration of baud rate unit, for RS-232 digital channels detection device to be arranged to RS-232 digital channels to be measured The rate of transmission data;
The RS-232 digital channels detection device further includes counting module, and counting module turns with control module and RS-232 serial ports Change the mold block connection;
Counting module, the transmission data speed for being set according to the clock and test data Configuration of baud rate unit of control module Rate sets the tranmitting data register of RS-232 serial ports conversion modules.According to difference baud when practical RS-232 digital channels transmission data The situation of rate, the possibility that whens analogue transmission difference baud rate data breaks down, send the data of different baud rates by The different tranmitting data register of RS-232 serial ports conversion modules, tranmitting data register is divided according to the clock of control module, and is counted Number, according to different requirements, count value is different, realizes the baud rate of different transmission datas.
Further, counting module uses 8253 clock chips.
Further, under main station side test pattern, RS-232 serial ports conversion modules connect Five-channel section, meanwhile, it will A channel section short circuit in first passage section, second channel section, third channel section or fourth lane section.
When detecting RS-232 digital channels to be measured using the RS-232 digital channel detection devices of the present invention, surveyed in main station side Under die trial formula, RS-232 serial ports conversion modules connect Five-channel section, by first passage section short circuit, if testing result shows RS- 232 digital channels are normal, then test terminates;
If testing result shows that RS-232 digital channels are abnormal, using segmentation debugging method, by second channel section short circuit, Continue to test, if testing result is normal, illustrates fault point in first passage section or substation end PCM modules, if testing result is still It is abnormal, then by third channel section short circuit, continue to test, if testing result is normal, illustrate fault point in second channel section or Substation end photoelectric conversion module, by fourth lane section short circuit, continues to test if testing result is abnormal, if testing result is just Often, then illustrate that fault point illustrates failure in third channel section or main station side photoelectric conversion module if testing result is still abnormal Point is in fourth lane section or main station side PCM modules.
Further, under the test pattern of substation end, RS-232 serial ports conversion modules connect first passage section, meanwhile, it will A channel section short circuit in Five-channel section, fourth lane section, third channel section or second channel section.
When detecting RS-232 digital channels to be measured using the RS-232 digital channel detection devices of the present invention, surveyed at substation end Under die trial formula, RS-232 serial ports conversion modules connect first passage section, by Five-channel section short circuit, if testing result shows RS- 232 digital channels are normal, then test terminates;
If testing result shows that RS-232 digital channels are abnormal, using segmentation debugging method, by fourth lane section short circuit, Continue to test, if testing result is normal, illustrates fault point in Five-channel section or main station side PCM modules, if testing result is still It is abnormal, then by third channel section short circuit, continue to test, if testing result is normal, illustrate fault point in fourth lane section or Main station side photoelectric conversion module, by second channel section short circuit, continues to test if testing result is abnormal, if testing result is just Often, then illustrate that fault point illustrates failure in third channel section or substation end photoelectric conversion module if testing result is still abnormal Point is in second channel section or substation end PCM modules.
Further, Test data generation module includes main station side Test data generation module and the life of substation end test data At module;
Main website section Test data generation module, the data that the main website for generating simulation is sent to substation, including control substation number According to adjustment substation data;
Substation end Test data generation module, the data that the substation for generating simulation is sent to main website, including substation measure number According to substation status data.
Further, the control substation data include the opening or the control data for closing breaker that main website is sent out, Open or close the control data of disconnecting link;
The adjustment substation data include the adjustment data of the tap joint position for the change transformer that main website is sent out, and change generator Active power output adjustment data;
The substation measurement data includes the main transformer and the performance number of transmission line of electricity, calorie value, current value of simulation, busbar electricity Pressure value and main transformer temperature value;
The substation status data includes the circuit breaker position status data of simulation, disconnecting link location status data, and relay protection is dynamic Make status data and on-load transformer tap changer location status data.
By simulating the communication data between actual main website and substation, these numbers of detection RS-232 digital channels actual transmissions According to when the possibility that breaks down, the data that data generation module generates are more comprehensive, and what mistake occurred in easier covering transmission can Energy property, testing result are more accurate.
Further, control module includes central processor unit and data processing unit;
Data processing unit, for survey that is comparing the generation of Test data generation module and being sent out through RS-232 serial ports conversion modules Whether examination data and the data that RS-232 serial ports conversion modules receive are consistent.
Further, substation to substation end photoelectric conversion module distance, and, main station side photoelectric conversion module to main website Distance be respectively less than 15 meters.
The beneficial effects of the present invention are:
The present invention realizes the quick inspection of the transmission channel RS-232 digital channels of the telemechanical apparatus between main website of substation and substation Survey, detection data is accurate, while can precise positioning fault point, the testing time is short, reduces rework rate, improve test effect Rate.
In addition, design principle of the present invention is reliable, and it is simple in structure, there is very extensive application prospect.
It can be seen that compared with prior art, the present invention with substantive distinguishing features outstanding and significant progress, implement Advantageous effect be also obvious.
Description of the drawings
Fig. 1 is RS-232 digital channels detection device schematic diagram of the present invention;
Fig. 2 is present invention RS-232 digital channels schematic diagram to be measured;
Fig. 3 is main station side test pattern RS-232 digital channels detection device and RS-232 digital channels connection diagram to be measured;
Fig. 4 is substation end test pattern RS-232 digital channels detection device and RS-232 digital channels connection diagram to be measured;
Fig. 5 is RS-232 digital channels detection device schematic diagram two of the present invention;
Wherein, 1- control modules;2- power modules;3- Test data generation modules;3.1- main station side test data generation units; 3.2- substations end test data generation unit;4- display modules;5-RS-232 serial ports conversion modules;Mould is arranged in 6- test patterns Block;6.1- main station sides test test pattern setting unit;Test pattern setting unit is tested at 6.2- substations end;6.3- test data Configuration of baud rate unit;7- substations;8- substations end PCM modules;9- substations end photoelectric conversion module;10- main station side opto-electronic conversions Module;11- main station side PCM modules;12- main websites;13- optical fiber;14- counting modules;On A- first passage section data feedback channels a bit; On B- first passage section down going channels a bit;On C- second channel section data feedback channels a bit;On D- second channel section down going channels A bit;On E- third channel section data feedback channels a bit;On F- third channel section down going channels a bit;G- fourth lane section uplinks are logical On road a bit;On H- fourth lane section down going channels a bit;On I- Five-channel section data feedback channels a bit;Under J- Five-channel sections In row of channels a bit.
Specific implementation mode:
To enable the purpose of the present invention, feature, advantage more apparent and understandable, it is embodied below in conjunction with the present invention Attached drawing in example, is clearly and completely described the technical solution in the present invention.
As shown in Figure 1, a kind of RS-232 digital channels detection device, including control module 1, control module 1 are connected with electricity Source module 2, Test data generation module 3, display module 4, RS-232 serial ports conversion module 5 and test pattern setup module 6, RS-232 serial ports conversion module 5 is connected with RS-232 digital channels to be measured;
As shown in Fig. 2, the first passage section that RS-232 digital channels to be measured include substation 7 to be connect with substation end PCM modules 8, point Second channel section, substation end photoelectric conversion module 9 and the main station side that end PCM modules 8 of standing are connect with substation end photoelectric conversion module 9 Third channel section that photoelectric conversion module 10 connects, main station side photoelectric conversion module 10 connect with main station side PCM modules 11 the The Five-channel section that four-way section and main station side PCM modules 11 are connect with main website 12;Third channel section is optical fiber 13;Substation 7 To the distance of substation end photoelectric conversion module 9, and, the distance of main station side photoelectric conversion module 10 to main website 12 is respectively less than 15 Rice;
As shown in figure 5, control module 1 includes central processor unit 1.1 and data processing unit 1.2;
Data processing unit 1.2, for comparing that Test data generation module 3 generates and being sent out through RS-232 serial ports conversion module 5 Whether the test data gone out and the data that RS-232 serial ports conversion module 5 receives are consistent;
Test pattern setup module 6 includes main station side test pattern setting unit 6.1 and substation end test pattern setting unit 6.2;
Main station side test pattern setting unit 6.1 is in main station side test mould for RS-232 digital channel detection devices to be arranged Under formula, Test data generation module 3 generates the data type that main website is sent to substation;
Substation end test pattern setting unit 6.2 is in substation end test mould for RS-232 digital channel detection devices to be arranged Under formula, Test data generation module 3 generates the data type that substation is sent to main website;
Test pattern setup module 6 further includes test data Configuration of baud rate unit 6.3;
Test data Configuration of baud rate unit 6.3, for RS-232 digital channels detection device to be arranged to RS-232 to be measured numbers The rate of channel transmission data;
The RS-232 digital channels detection device further includes counting module 14, counting module 14 and control module 1 and RS-232 Serial ports conversion module 5 connects;
Counting module 14, the transmission number for being set according to the clock and test data Configuration of baud rate unit 6.3 of control module 1 According to rate, the tranmitting data register of setting RS-232 serial ports conversion module 5;Counting module 14 uses 8253 clock chips;
As shown in figure 3, under main station side test pattern, RS-232 serial ports conversion module 5 connects Five-channel section, meanwhile, by the A channel section short circuit in one channel section, second channel section, third channel section or fourth lane section;
When detecting RS-232 digital channels to be measured using the RS-232 digital channel detection devices of the present invention, mould is tested in main station side Under formula, RS-232 serial ports conversion module 5 connects Five-channel section first passage section uplink is led to first passage section short circuit A point A is connected with a point B on first passage section down going channel on road, if testing result shows that RS-232 digital channels are normal, Test terminates;
If testing result shows that RS-232 digital channels are abnormal, using segmentation debugging method, by second channel section short circuit, A point C on second channel section data feedback channel is connected with a point D on second channel section down going channel, continues to test, if detection As a result normal, then illustrate fault point in first passage section or substation end PCM modules 8, if testing result is still abnormal, by third Channel section short circuit connects a point E on third channel section data feedback channel with a point F on third channel section down going channel, continue Test, if testing result is normal, illustrates fault point in second channel section or substation end photoelectric conversion module 9, if testing result It is abnormal, then it, i.e., will be on fourth lane section data feedback channel on a point G and fourth lane section down going channel by fourth lane section short circuit One point H connections, continue to test, if testing result is normal, illustrate fault point in third channel section or main station side opto-electronic conversion mould Block 10 illustrates fault point in fourth lane section or main station side PCM modules 11 if testing result is still abnormal;
As shown in figure 4, under the test pattern of substation end, RS-232 serial ports conversion modules(5)First passage section is connected, meanwhile, it will A channel section short circuit in Five-channel section, fourth lane section, third channel section or second channel section;
When detecting RS-232 digital channels to be measured using the RS-232 digital channel detection devices of the present invention, mould is tested at substation end Under formula, RS-232 serial ports conversion modules connect first passage section, by Five-channel section short circuit, i.e., by Five-channel section data feedback channel A point J connections on a upper point I and Five-channel section down going channel are surveyed if testing result shows that RS-232 digital channels are normal Examination terminates;
If testing result shows that RS-232 digital channels are abnormal, using segmentation debugging method, by fourth lane section short circuit, A point G on fourth lane section data feedback channel is connected with a point H on fourth lane section down going channel, continues to test, if detection As a result normal, then illustrate fault point in Five-channel section or main station side PCM modules 11, if testing result is still abnormal, by the Triple channel section short circuit connects a point E on third channel section data feedback channel with a point F on third channel section down going channel, after Continuous test illustrates fault point in fourth lane section or main station side photoelectric conversion module 10, if detection knot if testing result is normal Fruit is abnormal, then by second channel section short circuit, i.e., by a point C on second channel section data feedback channel and second channel section down going channel Upper point D connections, continue to test, if testing result is normal, illustrate fault point in third channel section or substation end opto-electronic conversion Module 9 illustrates fault point in second channel section or substation end PCM modules 8 if testing result is still abnormal;
Test data generation module 3 includes main station side Test data generation module 3.1 and substation end Test data generation module 3.2;
Main website section Test data generation module 3.1, the data that the main website for generating simulation is sent to substation, including control substation Data and adjustment substation data;
Substation end Test data generation module 3.2, the data that the substation for generating simulation is sent to main website, including substation measure Data and substation status data;
The control substation data include that the opening that sends out of main website is either closed the control data of breaker and opened or closing knife The control data of lock;
The adjustment substation data include the adjustment data of the tap joint position for the change transformer that main website is sent out, and change generator Active power output adjustment data;
The substation measurement data includes the main transformer and the performance number of transmission line of electricity, calorie value, current value of simulation, busbar electricity Pressure value and main transformer temperature value;
The substation status data includes the circuit breaker position status data of simulation, disconnecting link location status data, and relay protection is dynamic Make status data and on-load transformer tap changer location status data.
The embodiment of the present invention is illustrative and not restrictive, and above-described embodiment is only to aid in the understanding present invention, because The present invention is not limited to the embodiments described in specific implementation mode for this, every by those skilled in the art's technique according to the invention Other specific implementation modes that scheme obtains, also belong to the scope of protection of the invention.

Claims (10)

1. a kind of RS-232 digital channels detection device, which is characterized in that including control module(1), control module(1)It is connected with Power module(2), Test data generation module(3), display module(4), RS-232 serial ports conversion modules(5)And test pattern Setup module(6), RS-232 serial ports conversion modules(5)It is connected with RS-232 digital channels to be measured;
RS-232 digital channels to be measured include substation(7)With substation end PCM modules(8)The first passage section of connection, substation end PCM Module(8)With substation end photoelectric conversion module(9)The second channel section of connection, substation end photoelectric conversion module(9)With main station side Photoelectric conversion module(10)The third channel section of connection, main station side photoelectric conversion module(10)With main station side PCM modules(11)Even The fourth lane section and main station side PCM modules connect(11)With main website(12)The Five-channel section of connection.
2. a kind of RS-232 digital channels detection device as described in claim 1, which is characterized in that test pattern setup module (6)Including main station side test pattern setting unit(6.1)With substation end test pattern setting unit(6.2);
Main station side test pattern setting unit(6.1), main station side test is in for RS-232 digital channel detection devices to be arranged Under pattern, Test data generation module(3)Generate the data type that main website is sent to substation;
Substation end test pattern setting unit(6.2), the test of substation end is in for RS-232 digital channel detection devices to be arranged Under pattern, Test data generation module(3)Generate the data type that substation is sent to main website.
3. a kind of RS-232 digital channels detection device as described in claim 1, which is characterized in that test pattern setup module (6)It further include test data Configuration of baud rate unit(6.3);
Test data Configuration of baud rate unit(6.3), for RS-232 digital channels detection device to be arranged to RS-232 numbers to be measured The rate of word channel transmission data;
The RS-232 digital channels detection device further includes counting module(14), counting module(14)With control module(1)With RS-232 serial ports conversion modules(5)Connection;
Counting module(14), for according to control module(1)Clock and test data Configuration of baud rate unit(6.3)Setting Transmission data rate sets RS-232 serial ports conversion modules(5)Tranmitting data register.
4. a kind of RS-232 digital channels detection device as claimed in claim 3, which is characterized in that counting module(14)Using 8253 clock chips.
5. a kind of RS-232 digital channels detection device as claimed in claim 2, which is characterized in that
Under main station side test pattern, RS-232 serial ports conversion modules(5)Connect Five-channel section, meanwhile, by first passage section, A channel section short circuit in second channel section, third channel section or fourth lane section.
6. a kind of RS-232 digital channels detection device as claimed in claim 5, which is characterized in that
Under the test pattern of substation end, RS-232 serial ports conversion modules(5)Connect first passage section, meanwhile, by Five-channel section, A channel section short circuit in fourth lane section, third channel section or second channel section.
7. a kind of RS-232 digital channels detection device as claimed in claim 6, which is characterized in that Test data generation module (3)Including main station side Test data generation module(3.1)With substation end Test data generation module(3.2);
Main website section Test data generation module(3.1), the data that the main website for generating simulation is sent to substation, including control point Data of standing and adjustment substation data;
Substation end Test data generation module(3.2), the data that the substation for generating simulation is sent to main website, including substation survey Measure data and substation status data.
8. a kind of RS-232 digital channels detection device as claimed in claim 7, which is characterized in that
The control substation data include that the opening that sends out of main website is either closed the control data of breaker and opened or closing knife The control data of lock;
The adjustment substation data include the adjustment data of the tap joint position for the change transformer that main website is sent out, and change generator Active power output adjustment data;
The substation measurement data includes the main transformer and the performance number of transmission line of electricity, calorie value, current value of simulation, busbar electricity Pressure value and main transformer temperature value;
The substation status data includes the circuit breaker position status data of simulation, disconnecting link location status data, and relay protection is dynamic Make status data and on-load transformer tap changer location status data.
9. a kind of RS-232 digital channels detection device as described in claim 1, which is characterized in that control module(1)Including Central processor unit(1.1)And data processing unit(1.2);
Data processing unit(1.2), for comparing Test data generation module(3)Generate and through RS-232 serial ports conversion modules (5)The test data sent out and RS-232 serial ports conversion modules(5)Whether the data of reception are consistent.
10. a kind of RS-232 digital channels detection device as described in claim 1, which is characterized in that substation(7)To substation end Photoelectric conversion module(9)Distance, and, main station side photoelectric conversion module(10)To main website(12)Distance be respectively less than 15 meters.
CN201711425964.0A 2017-12-26 2017-12-26 A kind of RS-232 digital channels detection device Pending CN108289045A (en)

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Application Number Priority Date Filing Date Title
CN201711425964.0A CN108289045A (en) 2017-12-26 2017-12-26 A kind of RS-232 digital channels detection device

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Application Number Priority Date Filing Date Title
CN201711425964.0A CN108289045A (en) 2017-12-26 2017-12-26 A kind of RS-232 digital channels detection device

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01175348A (en) * 1987-12-28 1989-07-11 Hitachi Ltd Subscriber line testing system by remote control
CN101424721A (en) * 2008-11-28 2009-05-06 江苏省电力公司南京供电公司 Telemetry link on-line detecting system of scheduling automated system
CN202503536U (en) * 2012-03-27 2012-10-24 上海市电力公司 Electric power telecontrol channel tester
CN103245866A (en) * 2013-06-03 2013-08-14 国家电网公司 Portable telecontrol digital channel testing device and telecontrol digital channel testing method
CN206313530U (en) * 2016-11-16 2017-07-07 中国南方电网有限责任公司超高压输电公司贵阳局 A kind of telecontrol system with on-line monitoring function

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01175348A (en) * 1987-12-28 1989-07-11 Hitachi Ltd Subscriber line testing system by remote control
CN101424721A (en) * 2008-11-28 2009-05-06 江苏省电力公司南京供电公司 Telemetry link on-line detecting system of scheduling automated system
CN202503536U (en) * 2012-03-27 2012-10-24 上海市电力公司 Electric power telecontrol channel tester
CN103245866A (en) * 2013-06-03 2013-08-14 国家电网公司 Portable telecontrol digital channel testing device and telecontrol digital channel testing method
CN206313530U (en) * 2016-11-16 2017-07-07 中国南方电网有限责任公司超高压输电公司贵阳局 A kind of telecontrol system with on-line monitoring function

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