CN205982453U - Intelligent components electromagnetic interference monitoring devices of transformer substation - Google Patents
Intelligent components electromagnetic interference monitoring devices of transformer substation Download PDFInfo
- Publication number
- CN205982453U CN205982453U CN201620771046.8U CN201620771046U CN205982453U CN 205982453 U CN205982453 U CN 205982453U CN 201620771046 U CN201620771046 U CN 201620771046U CN 205982453 U CN205982453 U CN 205982453U
- Authority
- CN
- China
- Prior art keywords
- oscillograph
- computer
- electromagnetic interference
- voltage probe
- oscilloscope
- 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.)
- Active
Links
- 238000012806 monitoring device Methods 0.000 title claims abstract description 16
- 239000000523 sample Substances 0.000 claims abstract description 25
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 8
- 229910052744 lithium Inorganic materials 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 14
- 230000008569 process Effects 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000012546 transfer Methods 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 10
- 238000012544 monitoring process Methods 0.000 description 9
- 230000001052 transient effect Effects 0.000 description 8
- 230000005611 electricity Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Abstract
The utility model discloses an intelligent components electromagnetic interference monitoring devices of transformer substation, including the display screen of computer and computer link and oscilloscope, voltage probe, the one end connection of voltage probe on intelligent components's control cable, another termination oscilloscope to observe control cable core skin potential difference, and give oscilloscope with this kind of potential difference signal transfer, oscilloscope one end is connected with the voltage probe, and one end is connected with the computer, and the control cable core skin potential difference of surveying the voltage probe shows with the form of wave form, the computer is connected with oscilloscope through the USB interface, through triggering and obtaining method of computer control oscilloscope, makes oscilloscope can the exact acquire waveform information, and simultaneous transmission is further analysis processes to the display screen of computer oscilloscope.
Description
Technical field
The utility model is related to transformer station's technical field, relates in particular to a kind of intelligent substation assembly electromagnetic interference prison
Survey device.
Background technology
Transformer station is that power transformation one ring as intelligent grid occurs, and is a most important, most critical of intelligent grid
Terminal, carries comprehensive collection and Real-Time Sharing, support electrical network real-time control, Intelligent adjustment and all kinds of height of operation of power networks data
Level application, realizes substation equipment information and operation maintenance strategy and power scheduling general interaction.Transformer station realizes these functions
Rely primarily on the intelligent assembly of some intelligent electronic devices composition to complete, these intelligent assemblies carry the survey of substation equipment
The basic functions such as amount, control and monitoring, the function such as also undertake related equipment metering, protection, communicate.It is related to the one of transformer station
Secondary device and secondary device, including all devices such as measurement, control, status monitoring, metering, protection, are transforming plant primary equipments
The intelligentized key equipment with secondary device.These intelligent assembly major parts are arranged on high pressure primary equipment on the spot or transfer to
In protective chamber in switch yard, they will face the various powerful electromagnetic interference source in transformer station it is ensured that these are with micro- electricity
Intelligent assembly based on son and computer technology will not be subject to the electromagnetic interference of transformer station normally to work and be to ensure that power transformation
The key point stood with the operation of intelligent grid normal safe.This is accomplished by the electromagnetic interference that intelligent assembly is subject to accurately is surveyed
Amount, and then the safeguard measure of intelligent assembly science is proposed.
Content of the invention
The purpose of this utility model is the defect for above-mentioned prior art, provides a kind of intelligent substation assembly electromagnetism to do
Disturb monitoring device, can facilitate, accurately, the Wave data of intuitively display interference, to intelligent substation assembly be just conducive to
Often work proposes protection and corrective measure.
To achieve these goals, the technical solution of the utility model is：
A kind of intelligent substation assembly electromagnetic interference monitoring device, the display screen connecting including computer and computer and
Oscillograph, voltage probe, one end of voltage probe is connected on the control cable of intelligent assembly, another termination oscillograph, to see
Examine control cable core skin potential difference, and this potential difference signal is sent to oscillograph；Described oscillograph one end and voltage probe
It is connected, one end is connected with computer, the cable core skin potential difference that controls that voltage probe is surveyed is carried out in the form of waveform
Display；Described computer is connected with oscillograph by USB interface, by the oscillographic triggering of computer controls and acquisition side
Formula, enables oscillograph correctly to obtain shape information, is delivered simultaneously to be further analyzed process on computer screen curtain
Described oscillograph.
As the improvement to technique scheme, described intelligent substation assembly electromagnetic interference monitoring device also includes power supply
Module, described power module is connected with oscillograph, provides working power for oscillograph.
As the improvement to technique scheme, described power module includes lithium battery group and inverter, described lithium battery
Group is connected with oscillograph by inverter.Power supply selects rechargeable lithium battary group, and its direct current electricity output is turned by inverter
It is changed to power frequency civil power, because transport module and sensing module are all passive element in addition to oscillograph, power supply need to be only
Oscillograph is powered can make measuring system normal work.
As the improvement to technique scheme, described oscillograph is digit storage oscillograph, is more precisely safe
Grams word memory-scope, highest sampling rate reaches 2GS/s, bandwidth 200MHz；Can accurately, clearly indicate waveform signal
Details.
As the improvement to technique scheme, described voltage probe is popped one's head in for passive voltage, directly with control cable phase
Probe even adopts passive voltage to pop one's head in, and carries a width of direct current to 200MHz, the rise time, less than 2.3ns, can obtain dry completely
High frequency transient waveform in disturbing.Voltage probe connects simple and convenient with oscillographic, and has physics locking device it is ensured that signal flow diagram
Good transmission.
Compared with prior art, the beneficial effects of the utility model are：
Intelligent substation assembly electromagnetic interference monitoring device of the present utility model, when there being interference to occur, measurement controls electricity
The core skin potential difference of cable can monitor interference.Passive voltage probe can obtain the high frequency transient waveform in interference, oscillography completely
Device can accurately capture the high-frequency transient signal producing interference, and survey crew can remotely obtain Wave data.By Monitoring and Controlling
The situation of change of core skin potential difference on cable, timely finds the impact to intelligent assembly for the electromagnetic interference, monitoring system can in time,
Accurately measure the broadband transient signal controlling when electromagnetic interference occurs on cable, and survey crew can obtain survey in the distance
Amount result, is analyzed to measurement data and processes, and then is conducive to proposing reasonably for the normal work ensureing intelligent assembly
Protection and corrective measure.
Brief description
In order to be illustrated more clearly that the utility model embodiment or technical scheme of the prior art, below will be to embodiment
Or in description of the prior art the accompanying drawing of required use be briefly described it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, before not paying creative labor
Put, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, any modification, equivalent substitution and improvement made etc., should be included in of the present utility model
Within protection domain.
As shown in figure 1, intelligent substation assembly electromagnetic interference monitoring device of the present utility model, including computer and calculating
Display screen and oscillograph, voltage probe that machine connects, one end of voltage probe is connected on the control cable of intelligent assembly, separately
One termination oscillograph, controls cable core skin potential difference to observe, and this potential difference signal is sent to oscillograph；Described oscillography
Device one end is connected with voltage probe, and one end is connected with computer, the control cable core skin potential difference that voltage probe is surveyed
Shown in the form of waveform；Described computer is connected with oscillograph by USB interface, and oscillograph is all adopted with computer
USB interface, and support hot plug, safe ready, transmits immediate stability.By the oscillographic triggering of computer controls and acquisition side
Formula, enables oscillograph correctly to obtain shape information, is delivered simultaneously to be further analyzed process on computer screen curtain
Described oscillograph.The supporting assembly of computer is that monitoring of software Labview V14.0 forms, wherein monitoring of software and Tyke
TDS2024C digit storage oscillograph matches；This monitoring of software Labview V14.0 is known prior art, this practicality
New not by it as protection object.
As the improvement to technique scheme, described intelligent substation assembly electromagnetic interference monitoring device also includes power supply
Module, described power module is connected with oscillograph, provides working power for oscillograph.
As the improvement to technique scheme, described power module includes lithium battery group and inverter, described lithium battery
Group is connected with oscillograph by inverter.Power supply selects rechargeable lithium battary group, and its direct current electricity output is turned by inverter
It is changed to power frequency civil power, because transport module and sensing module are all passive element in addition to oscillograph, power supply need to be only
Oscillograph is powered can make measuring system normal work.
As the improvement to technique scheme, described oscillograph is digit storage oscillograph, is more precisely safe
Grams word memory-scope, highest sampling rate reaches 2GS/s, bandwidth 200MHz；Can accurately, clearly indicate waveform signal
Details.
As the improvement to technique scheme, described voltage probe is popped one's head in for passive voltage, directly with control cable phase
Probe even adopts passive voltage to pop one's head in, and carries a width of direct current to 200MHz, the rise time, less than 2.3ns, can obtain dry completely
High frequency transient waveform in disturbing.Voltage probe connects simple and convenient with oscillographic, and has physics locking device it is ensured that signal flow diagram
Good transmission.
Connecting cable between computer, oscillograph is the height with metallic shield net and foil shielding layer double layer screen
The USB transmission line of purity tin plating oxygen-free copper core.
Intelligent substation assembly electromagnetic interference monitoring device of the present utility model, when there being interference to occur, measurement controls electricity
The core skin potential difference of cable can monitor interference.Passive voltage probe can obtain the high frequency transient waveform in interference, oscillography completely
Device can accurately capture the high-frequency transient signal producing interference, and survey crew can remotely obtain Wave data.By Monitoring and Controlling
The situation of change of core skin potential difference on cable, timely finds the impact to intelligent assembly for the electromagnetic interference, monitoring system can in time,
Accurately measure the broadband transient signal controlling when electromagnetic interference occurs on cable, and survey crew can obtain survey in the distance
Amount result, is analyzed to measurement data and processes, and then is conducive to proposing reasonably for the normal work ensureing intelligent assembly
Protection and corrective measure.
The above is only several embodiments of the present utility model it is noted that common skill for the art
For art personnel, on the premise of without departing from the utility model know-why, some improvement can also be made, these improve also should
It is considered as protection domain of the present utility model.
Claims (5)
1. a kind of intelligent substation assembly electromagnetic interference monitoring device it is characterised in that：Connect including computer and computer
Display screen and oscillograph, voltage probe, one end of voltage probe is connected on the control cable of intelligent assembly, and another termination is shown
Ripple device, controls cable core skin potential difference to observe, and this potential difference signal is sent to oscillograph；Described oscillograph one end with
Voltage probe is connected, and one end is connected with computer, is controlled cable core skin potential difference with waveform by what voltage probe surveyed
Form is shown；Described computer is connected with oscillograph by USB interface.
2. intelligent substation assembly electromagnetic interference monitoring device according to claim 1 it is characterised in that：Described transformer station
Intelligent assembly electromagnetic interference monitoring device also includes power module, and described power module is connected with oscillograph.
3. intelligent substation assembly electromagnetic interference monitoring device according to claim 2 it is characterised in that：Described power supply mould
Block includes lithium battery group and inverter, and described lithium battery group is connected with oscillograph by inverter.
4. intelligent substation assembly electromagnetic interference monitoring device according to claim 2 it is characterised in that：Described oscillograph
For digit storage oscillograph.
5. intelligent substation assembly electromagnetic interference monitoring device according to claim 2 it is characterised in that：Described voltage is visited
Head is passive voltage probe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620771046.8U CN205982453U (en) | 2016-07-21 | 2016-07-21 | Intelligent components electromagnetic interference monitoring devices of transformer substation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620771046.8U CN205982453U (en) | 2016-07-21 | 2016-07-21 | Intelligent components electromagnetic interference monitoring devices of transformer substation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205982453U true CN205982453U (en) | 2017-02-22 |
Family
ID=58025784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620771046.8U Active CN205982453U (en) | 2016-07-21 | 2016-07-21 | Intelligent components electromagnetic interference monitoring devices of transformer substation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205982453U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109212358A (en) * | 2018-10-17 | 2019-01-15 | 中国电力科学研究院有限公司 | The method that imitating substation ground potential rises the electromagnetic interference generated |
-
2016
- 2016-07-21 CN CN201620771046.8U patent/CN205982453U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109212358A (en) * | 2018-10-17 | 2019-01-15 | 中国电力科学研究院有限公司 | The method that imitating substation ground potential rises the electromagnetic interference generated |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106771645B (en) | Capacitance type potential transformer dielectric loss and capacitance on-line monitoring method and monitoring system | |
| CN102680799B (en) | Transformer substation capacitor on-line monitoring method and device based on wireless mode | |
| CN203465382U (en) | Insulation monitoring system of high-voltage cable sheath | |
| CN207689566U (en) | A kind of broadband electromagnetic transient overvoltage sampling apparatus | |
| CN204666727U (en) | Based on the large ground network footing impedance measuring apparatus of GPS | |
| CN205038273U (en) | Measurement device for earthing device power frequency and impact characteristic parameter | |
| CN103344821A (en) | Transient overvoltage on-line monitoring system based on CVT and provided with built-in low-voltage capacitor | |
| CN206556785U (en) | A kind of wireless temperature measurement prior-warning device | |
| CN102707135A (en) | Lightning current online monitoring system of overhead transmission line based on differential ring | |
| CN105044571A (en) | Distribution cable comprehensive condition online monitoring system and method with self-powered function | |
| CN104515623A (en) | Watch strap type passive wireless online temperature measuring device and monitoring system thereof | |
| CN205982453U (en) | Intelligent components electromagnetic interference monitoring devices of transformer substation | |
| CN105371742A (en) | Bushing tap pulse signal injection method-based transformer winding deformation detection device and method | |
| CN109557357B (en) | Non-contact voltage measuring and recording device, system and method | |
| CN203164360U (en) | Transformer device insulation online monitoring system | |
| CN201828632U (en) | Transformer substation grounded screen intelligent diagnostic apparatus | |
| CN106249074A (en) | Real time on-line monitoring device to intelligent substation assembly electromagnetic interference | |
| CN205210162U (en) | High tension cable sheath earth current on -line monitoring system | |
| Wenzhi et al. | The design of temperature monitoring system for power cable joint | |
| CN103901261A (en) | System and method for conducting wireless measurement on overvoltage of electrical power system | |
| CN206132912U (en) | A travelling wave pulse generator for direct current earthing pole line fault surveys | |
| CN204649833U (en) | A kind of shunting of the large ground network based on ZIGBEE wireless sense network phasor measuring set | |
| CN104316746A (en) | Smart measurement and computational analysis method of PT secondary circuit voltage and pressure drop | |
| CN205176158U (en) | Electric capacity type current transformer on -line measuring device | |
| CN205246753U (en) | Equipment with ammeter function |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |