CN206041651U - Low pressure compensation filtering capacitor bank on -line monitoring automatic safety device - Google Patents
Low pressure compensation filtering capacitor bank on -line monitoring automatic safety device Download PDFInfo
- Publication number
- CN206041651U CN206041651U CN201621101644.0U CN201621101644U CN206041651U CN 206041651 U CN206041651 U CN 206041651U CN 201621101644 U CN201621101644 U CN 201621101644U CN 206041651 U CN206041651 U CN 206041651U
- Authority
- CN
- China
- Prior art keywords
- main control
- control module
- safety device
- automatic safety
- filter capacitor
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
The utility model provides a low pressure compensation filtering capacitor bank on -line monitoring automatic safety device, its includes be used for gathering the signal of voltage and current of current electric wire netting sampling circuit, with sampling circuit electric connection's AD converter, DSP processing module, the main control module, instruction alarm module and trip protections ware, AD converter output passes through DSP processing module and the main control module electrical property and links to each other, the main control module's output respectively electric connection to instructing alarm module and trip protections ware. The utility model provides a collect functions such as detection, demonstration, warning, protection just had excessive pressure, overcurrent protection function concurrently in an organic whole low pressure compensation filtering capacitor bank on -line monitoring automatic safety device.
Description
Technical field
This utility model is related to a kind of low-voltage compensation filter capacitor automatic protection technical field, and in particular to a kind of low pressure
Compensation filter capacitor bank monitors automatic safety device on-line.
Background technology
The protection in the capacitor bank loop of complete reactive power compensation device for a long time have been used up fuse or heat after
Electrical equipment and overvoltage, overcurrent relay composition etc. simple protective, the effective protection poor performance to capacitor loops, fault rate be high,
Actually used needs can not be met.
Utility model content
For solving above-mentioned technical problem, the purpose of this utility model is to provide one kind collection detection, show, report to the police, protecting
Etc. function in one and have concurrently overvoltage, overcurrent protection function low-voltage compensation filter capacitor group on-line monitoring automatic protection dress
Put.
For achieving the above object, a kind of low-voltage compensation filter capacitor group on-line monitoring automatic protection dress of this utility model
Put, it is characterised in that：It include for gather current electric grid voltage and current signal sample circuit and described sample circuit
The a/d converter of electric connection, DSP processing modules, main control module, instruction alarm module and trip protection device, described AD turn
Parallel operation outfan is electrical connected with described main control module by DSP processing modules, the outfan of described main control module
It is respectively and electrically connected to described instruction alarm module and trip protection device.
On the basis of such scheme preferably, described trip protection device is electric by a relay with described main control module
Property be connected.
On the basis of such scheme preferably, which also includes a liquid crystal display, and described liquid crystal display is electrically connected with
To the outfan of described main control module.
On the basis of such scheme preferably, which also includes an input keyboard, and described input keyboard is electrically connected to institute
The outfan of the main control module stated.
On the basis of such scheme preferably, described a kind of low-voltage compensation filter capacitor group on-line monitoring automatic protection
Device also includes a communication interface, and described communication interface is electrical connected with described main control module.
On the basis of such scheme preferably, described a kind of low-voltage compensation filter capacitor group on-line monitoring automatic protection
Device also includes data storage, and described data storage is electrical connected with the outfan of the main control module..
Compared with prior art, its advantage is this utility model：A kind of low-voltage compensation filtered electrical of the present utility model
Container group monitors automatic safety device on-line, obtains capacitance electric current, the voltage number of filtering compensation branch road by sample circuit
According to, and the data for getting are changed by a/d converter, and the numerical value Jing DSP processing modules after conversion are carried out into numeral
Change process, be eventually sent to main control module, analysis be compared by main control module, when sample magnitude than setting numerical value it is high
When, then automatically by main control module to trip protection device and indicate alarm module send control information, carry out trip protection and
Indicate to report to the police, so as to reach the purpose of quick response warning.
Description of the drawings
Fig. 1 is that a kind of work of low-voltage compensation filter capacitor group on-line monitoring automatic safety device of the present utility model is former
Reason block diagram；
Fig. 2 is the circuit diagram of current sampling circuit of the present utility model；
Fig. 3 is the circuit diagram of current sampling circuit of the present utility model.
Specific embodiment
For describing technology contents, structural features, institute's reached purpose and effect of this utility model in detail, reality is hereby enumerated below
Apply example and coordinate accompanying drawing to be explained in detail.
Refer to shown in Fig. 1, a kind of low-voltage compensation filter capacitor group on-line monitoring automatic protection dress of the present utility model
Put, it include for gather current electric grid voltage and current signal sample circuit and sample circuit be electrically connected with AD conversion
Device, DSP processing modules, main control module, instruction alarm module and trip protection device, a/d converter outfan is by DSP process
Module is electrical connected with main control module, and the outfan of main control module is respectively and electrically connected to indicate that alarm module and tripping operation are protected
Shield device.
During use, this utility model obtains the capacitance electric current of filtering compensation branch road, voltage data using sample circuit,
Wherein, current sampling circuit of the present utility model is shown in Fig. 3, and voltage sampling circuit of the present utility model is shown in Fig. 2, and sample circuit will be obtained
The data got are changed by a/d converter, and the numerical value Jing DSP processing modules after conversion are digitized process, most
Sent to main control module eventually, analysis is compared by main control module, when sample magnitude is higher than the numerical value for arranging, then automatically
By main control module is to trip protection device and indicates that alarm module sends control information, carry out trip protection and indicate to report to the police,
So as to reach the purpose of quick response warning.
At the same time, the capacitance electric current of user's Real Time Observation filtering compensation branch road, voltage data and guarantor for convenience
Shield situation, this utility model also include a liquid crystal display, and the liquid crystal display is electrically connected to the outfan of main control module,
Controlled with the conveying for receiving main control module, and the outfan in the main control module is also associated with an input keyboard, i.e. user
Can be by input keyboard, the rated current that sets in adjusting main control module, voltage value, to meet different needs, preferably
, low-voltage compensation filter capacitor group on-line monitoring automatic safety device of the present utility model also includes a communication interface and data
Memorizer, data storage and communication interface are electrical connected with main control module.
This utility model is additionally provided with a relay in trip protection device and main control module, and during use, user can pass through relay
Device realizes three section protection to excessively stream, is repaiied with the protection definite value and action delay that adapt to the flexible adjustable setting of site specific
Just.
Compared with prior art, its advantage is this utility model：A kind of low-voltage compensation filtered electrical of the present utility model
Container group monitors automatic safety device on-line, obtains capacitance electric current, the voltage number of filtering compensation branch road by sample circuit
According to, and the data for getting are changed by a/d converter, and the numerical value Jing DSP processing modules after conversion are carried out into numeral
Change process, be eventually sent to main control module, analysis be compared by main control module, when sample magnitude than setting numerical value it is high
When, then automatically by main control module to trip protection device and indicate alarm module send control information, carry out trip protection and
Indicate to report to the police, so as to reach the purpose of quick response warning.
In sum, the only preferred embodiment of this utility model, does not limit protection domain of the present utility model with this, all
The equivalence changes made according to this utility model the scope of the claims and description and modification, are all what this utility model patent covered
Within the scope of.
Claims (6)
1. a kind of low-voltage compensation filter capacitor group monitors automatic safety device on-line, it is characterised in that：Which is included for gathering
The a/d converter of the sample circuit of the voltage and current signal of current electric grid and described sample circuit electric connection, DSP process mould
Block, main control module, indicate alarm module and trip protection device, described a/d converter outfan by DSP processing modules with
Described main control module is electrical connected, and the outfan of described main control module is respectively and electrically connected to described instruction and reports to the police
Module and trip protection device.
2. a kind of low-voltage compensation filter capacitor group as claimed in claim 1 monitors automatic safety device on-line, and its feature exists
In：Described trip protection device is electrical connected by a relay with described main control module.
3. a kind of low-voltage compensation filter capacitor group as claimed in claim 1 monitors automatic safety device on-line, and its feature exists
In：Which also includes a liquid crystal display, and described liquid crystal display is electrically connected to the outfan of described main control module.
4. a kind of low-voltage compensation filter capacitor group as claimed in claim 1 monitors automatic safety device on-line, and its feature exists
In：Which also includes an input keyboard, and described input keyboard is electrically connected to the outfan of described main control module.
5. a kind of low-voltage compensation filter capacitor group as claimed in claim 1 monitors automatic safety device on-line, and its feature exists
In：A kind of described low-voltage compensation filter capacitor group on-line monitoring automatic safety device also includes a communication interface, described
Communication interface is electrical connected with described main control module.
6. a kind of low-voltage compensation filter capacitor group as claimed in claim 1 monitors automatic safety device on-line, and its feature exists
In：A kind of described low-voltage compensation filter capacitor group on-line monitoring automatic safety device also includes data storage, described
Data storage is electrical connected with the outfan of the main control module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621101644.0U CN206041651U (en) | 2016-09-30 | 2016-09-30 | Low pressure compensation filtering capacitor bank on -line monitoring automatic safety device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621101644.0U CN206041651U (en) | 2016-09-30 | 2016-09-30 | Low pressure compensation filtering capacitor bank on -line monitoring automatic safety device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206041651U true CN206041651U (en) | 2017-03-22 |
Family
ID=58297852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621101644.0U Active CN206041651U (en) | 2016-09-30 | 2016-09-30 | Low pressure compensation filtering capacitor bank on -line monitoring automatic safety device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206041651U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110244154A (en) * | 2019-07-19 | 2019-09-17 | 无锡北科自动化科技有限公司 | Control module for low pressure compensation of submerged arc furnace capacitor box |
-
2016
- 2016-09-30 CN CN201621101644.0U patent/CN206041651U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110244154A (en) * | 2019-07-19 | 2019-09-17 | 无锡北科自动化科技有限公司 | Control module for low pressure compensation of submerged arc furnace capacitor box |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102255330A (en) | Device and method for detecting island of micro power grid system | |
| CN106251561A (en) | Multifunctional electric fire early-warning system and method for early warning thereof | |
| CN203205851U (en) | Anti-thunder remote early warning monitoring box | |
| CN105301478B (en) | A kind of detection means and detection method of 3.7V batteries list string protection board | |
| CN104113047A (en) | Electricity utilization protection method and electricity utilization protection device based on comprehensive integration of public transformers | |
| CN206236626U (en) | A kind of Multifunction earth leakage circuit breaker | |
| CN201893540U (en) | Intelligent radio network dispatching digital-type boundary controller complete equipment | |
| CN103235217A (en) | Monitoring device and method for consistency of dual-protection actions | |
| CN206041651U (en) | Low pressure compensation filtering capacitor bank on -line monitoring automatic safety device | |
| CN106297152A (en) | Multifunction electric fire monitoring system | |
| CN103344852A (en) | On-line monitoring device of high-voltage parallel capacitor | |
| CN104915520A (en) | Tripping logic simulating method for alternating current filters of direct-current converting station | |
| CN102231569A (en) | Control protection system and method for metal oxide varistor (MOV) branch circuit | |
| CN209561923U (en) | Intelligent railway weak electric system power lightning protection distribution device | |
| CN207396654U (en) | Distribution Zinc-Oxide Arrester acceptance test device | |
| CN104020393B (en) | A kind of with electrical network one-phase short-circuit current Fault Locating Method | |
| CN203135418U (en) | Digital line protection, monitoring and control apparatus | |
| CN105277795A (en) | Grounding impedance monitoring collecting analyzer | |
| CN202940563U (en) | Intelligent leakage detection grounding resistor protection device | |
| CN201548607U (en) | Resonance overvoltage analyzing system of transformer substation | |
| CN204190361U (en) | A kind of generator unit stator one-phase ground protection device | |
| CN203787795U (en) | Safe low-voltage distribution box | |
| CN208833814U (en) | A kind of protective device and lightning arrester with electrical testing meter of arrester measuring device | |
| CN102110975A (en) | Microcomputer monitoring motor protector | |
| CN202856332U (en) | Isolation protection device and isolation protection circuit preventing ground potential high voltage counterattack |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |