CN113533916A - Multifunctional insulation detector based on insulation monitoring system - Google Patents
Multifunctional insulation detector based on insulation monitoring system Download PDFInfo
- Publication number
- CN113533916A CN113533916A CN202110833661.2A CN202110833661A CN113533916A CN 113533916 A CN113533916 A CN 113533916A CN 202110833661 A CN202110833661 A CN 202110833661A CN 113533916 A CN113533916 A CN 113533916A
- Authority
- CN
- China
- Prior art keywords
- insulation
- branch
- unit
- alarm
- direct current
- 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.)
- Withdrawn
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1254—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of gas-insulated power appliances or vacuum gaps
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
- G01R27/025—Measuring very high resistances, e.g. isolation resistances, i.e. megohm-meters
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention discloses a multifunctional insulation detector based on an insulation monitoring system, which comprises an operation monitoring module, a parameter setting module, an alarm recording module and a signal waveform module, wherein the operation monitoring module is used for monitoring the operation of a power supply; the operation monitoring module is used for checking the insulation resistance value of each DC branch detected by each DC insulation resistance detection device, checking the state of an inlet switch of each DC insulation resistance detection device and switching on or off each DC insulation resistance detection device to monitor each DC branch; the parameter setting module is used for checking and setting each direct current insulation impedance detection device, setting a first data threshold value and shielding second data; the alarm recording module is used for storing and displaying alarm records; the signal waveform module is used for displaying real-time waveforms, inquiring transient recording information and steady recording information. The invention realizes the multifunctional detection of the insulation detection system where the insulation detector is located.
Description
Technical Field
The invention relates to the technical field of direct-current insulation impedance detection, in particular to a multifunctional insulation detector based on an insulation monitoring system.
Background
The insulation monitoring system is mainly applied to monitoring various insulation faults of direct current buses and direct current feeders of direct current power systems for transformer substation stations, alternating current and direct current integrated systems or data center direct current power systems, rail transit direct current power systems and other application fields. The insulation monitoring system comprises an insulation detector and a direct current insulation impedance detection device.
At present, the power industry pushes power equipment and power systems to the direction of intelligent development, which requires more power equipment to continuously improve related functions and continuously upgrade the intelligence. However, the existing insulation detector has a single function, and cannot meet the detection requirements of multiple functions such as fault recording and warning at the same time, which hinders the development of the intelligent trend of the power industry.
Disclosure of Invention
The invention aims to provide a multifunctional insulation detector based on an insulation monitoring system, which can solve the problem that the existing insulation detector in the prior art has single function and cannot meet multifunctional detection requirements at the same time.
The purpose of the invention is realized by the following technical scheme:
the invention provides a multifunctional insulation detector based on an insulation monitoring system, which comprises an operation monitoring module, a parameter setting module, an alarm recording module and a signal waveform module, wherein the operation monitoring module is used for monitoring the operation of a power supply;
the operation monitoring module is used for checking the insulation resistance value of each DC branch detected by each DC insulation resistance detection device, checking the state of an inlet switch of each DC insulation resistance detection device and switching on or off each DC insulation resistance detection device to monitor each DC branch;
the parameter setting module is used for checking and setting each direct current insulation impedance detection device, setting a first data threshold value and shielding second data;
the alarm recording module is used for storing and displaying alarm records;
the signal waveform module is used for displaying real-time waveforms, inquiring transient recording information and steady recording information.
Furthermore, the operation monitoring module comprises a branch circuit insulation unit, an incoming line switch unit and a branch circuit switch unit;
the branch circuit insulation unit is used for checking insulation resistance values of all the direct current branch circuits detected by all the direct current insulation resistance detection devices;
the incoming line switch unit is used for checking the incoming line switch state of each direct current insulation impedance detection device;
and the branch switch unit is used for switching on and off each direct current insulation impedance detection device to monitor each direct current branch.
Further, the signal waveform module comprises a real-time waveform unit and a signal recording unit; the real-time waveform unit is used for displaying real-time waveforms;
the signal wave recording unit comprises a transient wave recording subunit and a steady wave recording subunit; the transient wave recording subunit is used for inquiring transient record, starting transient wave recording and copying transient data; the steady state wave recording subunit is used for deleting the steady state record, starting the steady state wave recording and copying the steady state wave recording.
Furthermore, the parameter setting module comprises a slave computer and branch setting unit, an alarm threshold setting unit and an alarm shielding setting unit;
the slave machine and the branch circuit setting unit are used for checking and setting each direct current insulation resistance detection device;
the alarm threshold setting unit is used for setting a first data threshold value;
and the alarm shielding setting unit is used for shielding the second data.
Further, the first data threshold value comprises a bus insulation resistance value, a bus direct current mutual channeling resistance, a bus alternating current channeling voltage, a positive and negative bus voltage deviation, a direct current bus overvoltage limit value, a branch insulation resistance limit value, a branch direct current mutual channeling voltage, a branch alternating current channeling voltage, a single battery voltage and a direct current bus undervoltage limit value;
the second data comprises bus insulation descending, bus alternating current fleeing, insulation device failure, bus direct current fleeing, large bus differential pressure, bus insulation early warning, balance bridge resistance open circuit, detection bridge resistance open circuit, balance bridge exit abnormity, branch sensor abnormity, slave machine communication interruption, branch trip alarm, branch insulation descending, branch direct current fleeing and branch alternating current fleeing.
Furthermore, the parameter setting module also comprises a communication setting unit, a development option setting unit and a manual control unit;
the communication setting unit is used for setting data comprising a communication port, a baud rate, a check bit and an equipment address;
the development option setting unit is used for setting data including factory restoration, voltage calibration, touch screen calibration and compensation coefficients;
the manual control unit is used for manually controlling the self-checking of the starting insulation device, the manual input of the unbalanced bridge, the open-circuit detection of the unbalanced bridge, the exit detection of the balanced bridge, the capacitance detection of the ground of the bus, the detection of the starting direct current mutual crossing, the open-circuit detection of the balanced bridge and the correction of the starting mutual inductor.
Furthermore, the alarm recording module comprises a current alarm recording unit and a historical alarm recording unit;
the current alarm recording unit is used for displaying the current alarm condition; the history alarm recording unit is used for displaying the historical alarm condition.
According to the invention, the operation monitoring module, the parameter setting module, the alarm recording module and the signal waveform module are arranged on the insulation detector, so that the functions of real-time fault monitoring, fault information storage, alarm recording query and the like of the insulation detector in an insulation monitoring system are realized, and the multifunctional detection requirement of the insulation detector is realized.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic composition diagram of a multifunctional insulation detector based on an insulation monitoring system according to the present application.
Detailed Description
The embodiments of the present disclosure are described in detail below with reference to the accompanying drawings.
The embodiments of the present disclosure are described below with specific examples, and other advantages and effects of the present disclosure will be readily apparent to those skilled in the art from the disclosure in the specification. It is to be understood that the described embodiments are merely illustrative of some, and not restrictive, of the embodiments of the disclosure. The disclosure may be embodied or carried out in various other specific embodiments, and various modifications and changes may be made in the details within the description without departing from the spirit of the disclosure. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
The invention provides a multifunctional insulation detector based on an insulation monitoring system, which comprises an operation monitoring module, a parameter setting module, an alarm recording module and a signal waveform module, wherein the operation monitoring module is used for monitoring the operation of a power supply;
the operation monitoring module is used for checking the insulation resistance value of each DC branch detected by each DC insulation resistance detection device, checking the state of an inlet switch of each DC insulation resistance detection device and switching on or off each DC insulation resistance detection device to monitor each DC branch;
the parameter setting module is used for checking and setting each direct current insulation impedance detection device, setting a first data threshold value and shielding second data;
the alarm recording module is used for storing and displaying alarm records;
the signal waveform module is used for displaying real-time waveforms, inquiring transient recording information and steady recording information.
Further, in a preferred embodiment of the present application, the operation monitoring module includes a branch insulation unit, an incoming line switch unit, and a branch switch unit;
the branch circuit insulation unit is used for checking insulation resistance values of all the direct current branch circuits detected by all the direct current insulation resistance detection devices;
the incoming line switch unit is used for checking the incoming line switch state of each direct current insulation impedance detection device;
and the branch switch unit is used for switching on and off each direct current insulation impedance detection device to monitor each direct current branch.
Further, in a preferred embodiment of the present application, the signal waveform module includes a real-time waveform unit and a signal recording unit; the real-time waveform unit is used for displaying real-time waveforms;
the signal wave recording unit comprises a transient wave recording subunit and a steady wave recording subunit; the transient wave recording subunit is used for inquiring transient record, starting transient wave recording and copying transient data; the steady state wave recording subunit is used for deleting the steady state record, starting the steady state wave recording and copying the steady state wave recording.
Further, in a preferred embodiment of the present application, the parameter setting module includes a slave device and branch setting unit, an alarm threshold setting unit, and an alarm mask setting unit;
the slave machine and the branch circuit setting unit are used for checking and setting each direct current insulation resistance detection device;
the alarm threshold setting unit is used for setting a first data threshold value; in the operation of actual equipment, if the parameter in the direct current circuit exceeds a threshold value, alarming is carried out;
and the alarm shielding setting unit is used for shielding the second data.
Further, in a preferred embodiment of the present application, the first data threshold includes a bus insulation resistance value, a bus direct current cross-over resistance, a bus alternating current cross-over voltage, a positive and negative bus voltage deviation, a direct current bus overvoltage limit value, a branch insulation resistance limit value, a branch direct current cross-over voltage, a branch alternating current cross-over voltage, a single battery voltage, and a direct current bus undervoltage limit value;
the second data comprises bus insulation descending, bus alternating current fleeing, insulation device failure, bus direct current fleeing, large bus differential pressure, bus insulation early warning, balance bridge resistance open circuit, detection bridge resistance open circuit, balance bridge exit abnormity, branch sensor abnormity, slave machine communication interruption, branch trip alarm, branch insulation descending, branch direct current fleeing and branch alternating current fleeing.
Further, in a preferred embodiment of the present application, the parameter setting module further includes a communication setting unit, a development option setting unit, and a manual control unit;
the communication setting unit is used for setting data comprising a communication port, a baud rate, a check bit and an equipment address;
the development option setting unit is used for setting data including factory restoration, voltage calibration, touch screen calibration and compensation coefficients;
the manual control unit is used for manually controlling the self-checking of the starting insulation device, the manual input of the unbalanced bridge, the open-circuit detection of the unbalanced bridge, the exit detection of the balanced bridge, the capacitance detection of the ground of the bus, the detection of the starting direct current mutual crossing, the open-circuit detection of the balanced bridge and the correction of the starting mutual inductor.
Further, in a preferred embodiment of the present application, the alarm recording module includes a current alarm recording unit and a historical alarm recording unit;
the current alarm recording unit is used for displaying the current alarm condition; the history alarm recording unit is used for displaying the historical alarm condition.
It should be noted that the displayed content of the alarm condition at least includes the starting time, the alarm type and the ending time, so that the maintenance of the direct current circuit where the insulation detector is located can be facilitated for personnel, the reason of the circuit fault can be analyzed according to the historical alarm record, the reason of the fault can be reasonably avoided, and the safety of the circuit where the insulation detector is located can be ensured.
It should be noted that the technical features of the dc bus voltage bus and the dc branch circuit, etc. related to the present patent application should be regarded as the prior art, and the specific structure, the operation principle, the control mode and the spatial arrangement mode of the technical features may be conventional in the art, and should not be regarded as the invention point of the present patent, and the present patent is not further specifically described in detail.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present application may be substantially implemented or contributed to by the prior art, or all or part of the technical solution may be embodied in a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present application. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a read-only memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and the like.
Claims (7)
1. A multifunctional insulation detector based on an insulation monitoring system is characterized by comprising an operation monitoring module, a parameter setting module, an alarm recording module and a signal waveform module;
the operation monitoring module is used for checking the insulation resistance value of each DC branch detected by each DC insulation resistance detection device, checking the state of an inlet switch of each DC insulation resistance detection device and switching on or off each DC insulation resistance detection device to monitor each DC branch;
the parameter setting module is used for checking and setting each direct current insulation impedance detection device, setting a first data threshold value and shielding second data;
the alarm recording module is used for storing and displaying alarm records;
the signal waveform module is used for displaying real-time waveforms, inquiring transient recording information and steady recording information.
2. The multifunctional insulation detector based on the insulation monitoring system according to claim 1, wherein the operation monitoring module comprises a branch insulation unit, a line inlet switch unit and a branch switch unit;
the branch circuit insulation unit is used for checking insulation resistance values of all the direct current branch circuits detected by all the direct current insulation resistance detection devices;
the incoming line switch unit is used for checking the incoming line switch state of each direct current insulation impedance detection device;
and the branch switch unit is used for switching on and off each direct current insulation impedance detection device to monitor each direct current branch.
3. The multifunctional insulation detector based on the insulation monitoring system according to claim 1, wherein the signal waveform module comprises a real-time waveform unit and a signal recording unit; the real-time waveform unit is used for displaying real-time waveforms;
the signal wave recording unit comprises a transient wave recording subunit and a steady wave recording subunit; the transient wave recording subunit is used for inquiring transient record, starting transient wave recording and copying transient data; the steady state wave recording subunit is used for deleting the steady state record, starting the steady state wave recording and copying the steady state wave recording.
4. The multifunctional insulation detector based on the insulation monitoring system according to claim 1, wherein the parameter setting module comprises a slave and branch setting unit, an alarm threshold setting unit and an alarm shielding setting unit;
the slave machine and the branch circuit setting unit are used for checking and setting each direct current insulation resistance detection device;
the alarm threshold setting unit is used for setting a first data threshold value;
and the alarm shielding setting unit is used for shielding the second data.
5. The multifunctional insulation detector based on the insulation monitoring system according to claim 4, wherein the first data threshold value comprises a bus insulation resistance value, a bus direct current cross-over resistance, a bus alternating current cross-over voltage, a positive and negative bus voltage deviation, a direct current bus overvoltage limit value, a branch insulation resistance limit value, a branch direct current cross-over voltage, a branch alternating current cross-over voltage, a single battery voltage and a direct current bus undervoltage limit value;
the second data comprises bus insulation descending, bus alternating current fleeing, insulation device failure, bus direct current fleeing, large bus differential pressure, bus insulation early warning, balance bridge resistance open circuit, detection bridge resistance open circuit, balance bridge exit abnormity, branch sensor abnormity, slave machine communication interruption, branch trip alarm, branch insulation descending, branch direct current fleeing and branch alternating current fleeing.
6. The multifunctional insulation detector based on the insulation monitoring system according to claim 4, wherein the parameter setting module further comprises a communication setting unit, a development option setting unit and a manual control unit;
the communication setting unit is used for setting data comprising a communication port, a baud rate, a check bit and an equipment address;
the development option setting unit is used for setting data including factory restoration, voltage calibration, touch screen calibration and compensation coefficients;
the manual control unit is used for manually controlling the self-checking of the starting insulation device, the manual input of the unbalanced bridge, the open-circuit detection of the unbalanced bridge, the exit detection of the balanced bridge, the capacitance detection of the ground of the bus, the detection of the starting direct current mutual crossing, the open-circuit detection of the balanced bridge and the correction of the starting mutual inductor.
7. The multifunctional insulation detector based on the insulation monitoring system according to claim 1, wherein the alarm recording module comprises a current alarm recording unit and a historical alarm recording unit;
the current alarm recording unit is used for displaying the current alarm condition; the history alarm recording unit is used for displaying the historical alarm condition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110833661.2A CN113533916A (en) | 2021-07-23 | 2021-07-23 | Multifunctional insulation detector based on insulation monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110833661.2A CN113533916A (en) | 2021-07-23 | 2021-07-23 | Multifunctional insulation detector based on insulation monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113533916A true CN113533916A (en) | 2021-10-22 |
Family
ID=78088748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110833661.2A Withdrawn CN113533916A (en) | 2021-07-23 | 2021-07-23 | Multifunctional insulation detector based on insulation monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113533916A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114062875A (en) * | 2021-11-18 | 2022-02-18 | 株洲时代新材料科技股份有限公司 | Device and method for testing impedance characteristics of rail insulation and parts thereof |
-
2021
- 2021-07-23 CN CN202110833661.2A patent/CN113533916A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114062875A (en) * | 2021-11-18 | 2022-02-18 | 株洲时代新材料科技股份有限公司 | Device and method for testing impedance characteristics of rail insulation and parts thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10677823B2 (en) | System and method of identifying path of residual current flow through an intelligent power strip | |
| CN103454517B (en) | Capacitance type potential transformer on-line monitoring method | |
| CN103744396B (en) | A kind of device being applied to SVG, APF cooperation control | |
| CN106291430A (en) | Insulation Inspection Device for Direct-Current System pilot system and test method | |
| CN201673222U (en) | Portable power system fault recorder | |
| CN113533916A (en) | Multifunctional insulation detector based on insulation monitoring system | |
| CN106597181A (en) | Operation monitoring system and method of high-voltage power transformer | |
| CN103199500B (en) | Series capacitor bank without dead zone protection method | |
| KR20170014672A (en) | Power loss measuring system for measuring power loss at harmonic filter included in high voltage direct current(hvdc) ststem and method for measuring power loss thereof | |
| CN102928722B (en) | Maloperation cause detection method for jumping lockout relay due to power frequency AC interference of transformer station | |
| US20230246436A1 (en) | High-reliability multiphase power supply system and method | |
| CN207440228U (en) | A kind of feeder line fault on-line monitoring system | |
| CN202153246U (en) | Direct current system grounding and ring network fault positioning system | |
| CN104678756A (en) | Novel intelligent comprehensive power transformation and distribution monitoring system | |
| CN110247382A (en) | A kind of neutral grounding mode switching device and method | |
| CN103701092B (en) | A kind of DC electrical system insulation resistance detects and earth protective device | |
| Ahmed et al. | Risk assessment of server outages due to voltage dips in the internal power supply system of a data center | |
| CN106300288B (en) | A kind of station domain differential protecting method and device | |
| CN104280647A (en) | High-voltage transformer resonance early warning method and device | |
| CN205304401U (en) | A protection monitoring device for HVDC screen cabinet power | |
| CN105811368B (en) | Adaptivity zero line break protection device and system | |
| CN209823500U (en) | Case and case panel of direct current transmission valve control system | |
| CN108539863A (en) | A kind of distribution intelligent automation management system and management method | |
| CN211293189U (en) | Multifunctional sensor for monitoring direct current feeder line parameters | |
| CN210572671U (en) | Leakage current detection device based on SPD |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20211022 |
|
| WW01 | Invention patent application withdrawn after publication |