CN204613277U - A kind of high voltage direct current converter valve commutation circuit state measuring device - Google Patents
A kind of high voltage direct current converter valve commutation circuit state measuring device Download PDFInfo
- Publication number
- CN204613277U CN204613277U CN201520233557.XU CN201520233557U CN204613277U CN 204613277 U CN204613277 U CN 204613277U CN 201520233557 U CN201520233557 U CN 201520233557U CN 204613277 U CN204613277 U CN 204613277U
- Authority
- CN
- China
- Prior art keywords
- direct current
- voltage direct
- high voltage
- converter valve
- current converter
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of high voltage direct current converter valve commutation circuit state measuring device, be made up of module when measuring circuit, distributed sample module, centralized data processing and memory module, synchronous couple of GPS and man-machine interface.The utility model carries out analytical calculation by centralized data processing and memory module to sampled data and detects each link state in real time, solves the shortcoming that high-voltage direct-current transmission system of need stopping transport carries out detection, have real-time, measure accurate advantage.
Description
Technical field
The utility model relates to a kind of high voltage direct current converter valve commutation circuit state measuring device.
Background technology
The nucleus equipment of high voltage direct current transmission project is high voltage direct current converter valve, converter power transformer and high voltage direct current Control protection system.High voltage direct current Control protection system is by the measurements and calculations to commutation circuit states such as high voltage direct current converter valve commutation synchronizing voltage, converter transformer valve-side electric current, DC voltage, DC current high voltage direct current converter valves; export trigger pulse; control the conducting of high voltage direct current converter valve, realize the transmission of high voltage direct current power.At present, the measurement of high voltage direct current converter valve commutation circuit state, sampling, signal transacting and control the integrity of the links such as output and accuracy depends on built in self testing, lack outside detection means in real time, high-voltage direct-current transmission system is needed to stop transport during detection, one is reduce high-voltage dc transmission power transmission amount, and two is cannot find each link Problems existing by real-time online.
Utility model content
The purpose of this utility model is to provide a kind of high voltage direct current converter valve commutation circuit state measuring device, realizes measurement, sampling, signal transacting and controls the integrity of link and the detections of accuracy such as output.
The utility model adopts following technical proposals:
A kind of high voltage direct current converter valve commutation circuit state measuring device, comprises the distributed sample module for carrying out real-time sampling to high voltage direct current converter valve DC voltage, high voltage direct current converter valve commutation synchronizing voltage, converter transformer valve-side electric current, high voltage direct current converter valve trigger pulse and DC current;
For the measuring circuit of the mutual inductor and distributed sample intermodule that connect high voltage direct current converter valve DC voltage, high voltage direct current converter valve commutation synchronizing voltage, converter transformer valve-side electric current, high voltage direct current converter valve trigger pulse and DC current;
The centralized data processing stored for the data analysis exported distributed sample module and memory module;
Module and man-machine interface during synchronous couple of the GPS for carrying out time adjustment;
Described sampling module comprises mutual inductor, AD7665 high-precision adc and bus interface, and the output terminal of mutual inductor is connected with bus interface by AD7665 high-precision adc; Described sampling module is connected by bus and centralized data processing and memory module.
Interface when described centralized data processing and memory module comprise synchronous couple of DSP, CPU, solid state hard disc, bus interface and GPS; Described DSP and CPU is connected, and the two is connected respectively by module during synchronous with GPS pair of interface during synchronous couple of GPS.
Described man-machine interface is a computing machine, is made up of access set Chinese style data processing and memory module, for accepting and processing the measurement data from distributed measurement module.
Described measuring circuit comprises five pairs of shielded conductors, and often pair of shielded conductor one end is for connecting electric parameters to be measured, and the other end accesses the input end of sampling module respectively.
The utility model adopts distributed measurement module to carry out synchronous real―time precision measurment to high voltage direct current converter valve commutation circuit quantity of states such as high voltage direct current converter valve commutation synchronizing voltage, converter transformer valve-side electric current, high voltage direct current converter valve trigger pulse, DC current, DC voltage, by centralized data processing and memory module, analytical calculation is carried out and each link state of real-time detection to sampled data, solve the shortcoming that high-voltage direct-current transmission system of need stopping transport carries out detection, have real-time, measure accurate advantage.
Accompanying drawing explanation
Fig. 1 is schematic block circuit diagram of the present utility model.
Embodiment
As shown in Figure 1, a kind of high voltage direct current converter valve commutation circuit state measuring device, comprise for DC voltage, high voltage direct current converter valve commutation synchronizing voltage, converter transformer valve-side electric current, high voltage direct current converter valve trigger pulse and DC current carry out the distributed sample module 7 of real-time sampling, for connecting DC voltage, high voltage direct current converter valve commutation synchronizing voltage, converter transformer valve-side electric current, the measuring circuit 6 of the high voltage direct current converter valve commutation circuits such as high voltage direct current converter valve trigger pulse and DC current and distributed sample module 7, the centralized data processing stored for the data analysis exported distributed sample module 7 and memory module 9, module 11 and man-machine interface 10 during synchronous couple of the GPS for carrying out time adjustment, described distributed sample module 7 comprises mutual inductor, AD7665 high-precision adc and bus interface, and the output terminal of mutual inductor is connected with bus interface by AD7665 high-precision adc, described measuring circuit 6 comprises five pairs of shielded conductors, described distributed sample module 7 is connected by bus interface and centralized data processing and memory module 9,
Interface when described centralized data processing and memory module 9 comprise Analog Devices High Performance DSP, Intel 80x86 CPU, SSD 840 EVO solid state hard disc, bus interface and synchronous couple of GPS; Described Analog Devices High Performance DSP is connected with Intel 80x86 CPU, and the two is connected respectively by module 11 during synchronous with GPS pair of interface during synchronous couple of GPS; Described SSD 840 EVO solid state hard disc, bus interface are connected respectively at Intel 80x86 CPU.Man-machine interface 10 access set Chinese style data processing and memory module 9, for having the computing machine of display, keyboard, mouse.
During device work, measuring circuit 6 accesses divider output loop 1 respectively, converter power transformer AC voltage transformer (VT) phase secondary coil 2, converter transformer valve-side Current Transformer Secondary coil 3, high voltage direct current Control protection system trigger pulse output interface 4, DC current transformer 5, the DC voltage that mutual inductor and AD7665 high-precision adc access respectively to measuring circuit 6 in sampling module 2, high voltage direct current converter valve commutation synchronizing voltage, converter transformer valve-side electric current, the high voltage direct current converter valve commutation circuit states such as high voltage direct current converter valve trigger pulse and DC current are carried out real-time sampling and carry out analog to digital conversion, centralized data processing and memory module 9 is sent to again via bus 8.In centralized data processing and memory module 9, by Intel 80x86 CPU control Analog Devices High Performance DSP, real-time analysis and process are carried out to above-mentioned data, to the measurement of original system, sampling, signal transacting and control the integrity of the links such as output and accuracy carries out real-time online detection, and sampled data and analysis result are kept in SSD 840 EVO solid state hard disc automatically.Described sampled data real-time analysis and the judgement of accuracy are prior art, the determination methods that in field, personnel all know, this is not inventive point of the present utility model, measure if completed with the utility model and are detected as innovative point.Further, during synchronous couple of GPS, module 11 provides synchronous clock to centralized data processing and memory module 9, ensures the synchronism of sampling and analyzing between each data.Field staff is inquired about by man-machine interface 10 pairs of sampled datas and analysis result and is called.
Claims (4)
1. a high voltage direct current converter valve commutation circuit state measuring device, is characterized in that: comprise the distributed sample module for carrying out real-time sampling to high voltage direct current converter valve DC voltage, high voltage direct current converter valve commutation synchronizing voltage, converter transformer valve-side electric current, high voltage direct current converter valve trigger pulse and DC current;
For the measuring circuit of the mutual inductor and distributed sample intermodule that connect high voltage direct current converter valve DC voltage, high voltage direct current converter valve commutation synchronizing voltage, converter transformer valve-side electric current, high voltage direct current converter valve trigger pulse and DC current;
The centralized data processing stored for the data analysis exported distributed sample module and memory module;
Module and man-machine interface during synchronous couple of the GPS for carrying out time adjustment;
Described sampling module comprises mutual inductor, AD7665 high-precision adc and bus interface, and the output terminal of mutual inductor is connected with bus interface by AD7665 high-precision adc; Described sampling module is connected by bus and centralized data processing and memory module.
2. high voltage direct current converter valve commutation circuit state measuring device according to claim 1, is characterized in that: interface when described centralized data processing and memory module comprise synchronous couple of DSP, CPU, solid state hard disc, bus interface and GPS; Described DSP and CPU is connected, and the two is connected respectively by module during synchronous with GPS pair of interface during synchronous couple of GPS.
3. high voltage direct current converter valve commutation circuit state measuring device according to claim 2, it is characterized in that: described man-machine interface is a computing machine, be made up of access set Chinese style data processing and memory module, for accepting and processing the measurement data from distributed measurement module.
4. high voltage direct current converter valve commutation circuit state measuring device according to claim 3, it is characterized in that: described measuring circuit comprises five pairs of shielded conductors, often pair of shielded conductor one end is for connecting electric parameters to be measured, and the other end accesses the input end of sampling module respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520233557.XU CN204613277U (en) | 2015-04-17 | 2015-04-17 | A kind of high voltage direct current converter valve commutation circuit state measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520233557.XU CN204613277U (en) | 2015-04-17 | 2015-04-17 | A kind of high voltage direct current converter valve commutation circuit state measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204613277U true CN204613277U (en) | 2015-09-02 |
Family
ID=53965825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520233557.XU Expired - Fee Related CN204613277U (en) | 2015-04-17 | 2015-04-17 | A kind of high voltage direct current converter valve commutation circuit state measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204613277U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318073A (en) * | 2018-02-06 | 2018-07-24 | 中国南方电网有限责任公司超高压输电公司广州局 | A kind of direct-current transmission converter valve high-speed signal acquisition system |
-
2015
- 2015-04-17 CN CN201520233557.XU patent/CN204613277U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108318073A (en) * | 2018-02-06 | 2018-07-24 | 中国南方电网有限责任公司超高压输电公司广州局 | A kind of direct-current transmission converter valve high-speed signal acquisition system |
| CN108318073B (en) * | 2018-02-06 | 2020-12-01 | 中国南方电网有限责任公司超高压输电公司广州局 | High-speed signal acquisition system for direct-current transmission converter valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102122139B (en) | Distribution automation terminal and AC (Alternating Current) sampling channel expansion method thereof | |
| CN103336264A (en) | Digital electric energy meter quantity value tracing system based on analog quantity detection and digital electric energy meter quantity value tracing method based analog quantity detection | |
| CN205176248U (en) | Intelligent substation electronic transformer measures accuracy emulation test and compares system | |
| CN105785306A (en) | Voltage transformer on-line group calibration method and apparatus | |
| CN104142422A (en) | Transformation substation leakage current and capacitive current online monitoring management system and working method thereof | |
| CN104764991A (en) | Method for detecting running state of phase-changing circuit thyristor of high-voltage DC converter valve | |
| CN102298099A (en) | Power distribution and consumption monitoring and measuring apparatus possessing time calibration function | |
| CN203658453U (en) | Wireless secondary voltage-drop and load tester provided with wireless synchronous communication function | |
| CN103995198A (en) | Analog input merging unit metering performance detection device and detection method thereof | |
| CN103344937B (en) | Intelligent electric energy meter consumption detection equipment and detection method | |
| CN104569899A (en) | High-accuracy high-voltage direct-current transformer calibrator | |
| CN105866576A (en) | Simulation detection system of intelligent transformer station secondary-side electric energy metering error influence, and detection analysis method | |
| CN204613277U (en) | A kind of high voltage direct current converter valve commutation circuit state measuring device | |
| CN102866378B (en) | Voltage or current transformer on-line test device and voltage or current transformer on-line test method | |
| CN104034977A (en) | Capacitive voltage transformer electrified detector | |
| CN108982954B (en) | Method and system for calculating phase voltage amplitude and phase suitable for feeder line terminal | |
| CN203799005U (en) | Error verification system for high-voltage metering box | |
| RU2531038C2 (en) | Method for monitoring state of electrical network and power facility and device for its implementation | |
| CN108181514A (en) | A kind of method and apparatus of dielectric loss for measuring transformer casing | |
| CN207675919U (en) | A kind of controller switching equipment CT automatic testing equipments | |
| CN204228940U (en) | A kind of voltage transformer (VT) on-line testing system based on SF6 parallel plate capacitor | |
| CN203909262U (en) | Device for verifying intelligent electronic mutual inductor based on IEC61850 | |
| CN203949980U (en) | The charged detector of capacitance type potential transformer | |
| CN203881861U (en) | Multifunctional power grounding parameter tester | |
| CN207689524U (en) | A kind of intelligent termination for Electric Energy Tariff Point Metering Device on-line testing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150902 Termination date: 20160417 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |