CN106597073A - Integrated integrating current type module - Google Patents
Integrated integrating current type module Download PDFInfo
- Publication number
- CN106597073A CN106597073A CN201611107922.8A CN201611107922A CN106597073A CN 106597073 A CN106597073 A CN 106597073A CN 201611107922 A CN201611107922 A CN 201611107922A CN 106597073 A CN106597073 A CN 106597073A
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- CN
- China
- Prior art keywords
- current
- integration
- integrating
- module
- unit
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R19/00—Arrangements for measuring currents or voltages or for indicating presence or sign thereof
- G01R19/25—Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/26—Arrangements for eliminating or reducing asymmetry in polyphase networks
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- 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
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention relates to an integrated integrating current type module. The integrated integrating current type module comprises a three-path current sampling module, a current integrating unit, a signal processing unit and a communication module, wherein the three-path current sampling module is used for respectively sampling A, B and C-phase currents and transmitting the sampling current to the current integrating unit, integrating processing on the real-time current is carried out by the current integrating unit, the integrating current information after processing is transmitted to the signal processing unit, the integrating current information is uploaded to a monitoring terminal through the communication module, and integrating processing comprises steps that in a three-phase load balance automatic adjustment period, integer multiples of five minutes are taken as one period, a present instantaneous current value is read one time for each second, and the current values are added to a current accumulator register. The integrated integrating current type module is advantaged in that on the condition that a high precision electronic residual current breaker for balance adjustment can not be replaced, the integrated integrating current type module is employed to add to a power distribution network branch circuit in courts for acquiring the phase wire current information on the branch circuit in courts.
Description
Technical field
The present invention relates to a kind of current type integration module, more particularly to a kind of integration current formula integration module.
Background technology
Existing three-phrase burden balance automatic adjustment system on market, the major loop of Dou Shiyitai areas power distribution network is unit,
Main frame voluntarily gathers the phase line current information of picking platform area major loop in kilowatt-hour meter of the Huo Youtai areas terminal from major loop, and with
This foundation as adjustment three-phrase burden balance.Three-phase load of this acquisition method to platform area power distribution network more than output two-way
Just dying, total road balance, branch path are not necessarily balanced for the adjustment of balance, it is necessary to the branch path with platform area power distribution network as unit,
Phase line current information is gathered from branch path.If branch road phase line is gathered in the electronic type residual current circuit breaker for having been filled from JP cabinets
The information of electric current, the current information in common electronic type residual current circuit breaker can only be done control and use, and its linear and precision is all
It is very poor, it is impossible to meet the current information requirement of balancing.
The content of the invention
A kind of integration current formula integration module is devised for the problem above present invention, is three-phrase burden balance adjust automatically
System provides the integration information of three-phase current, solves general electronic type residual current circuit breaker and cannot provide high accuracy integration electricity
The problem of stream information.
The present invention provides following technical scheme：A kind of integration current formula integration module, it is characterised in that including three road electric currents
Sampling module, current integration unit, signal processing unit, communication module；
Wherein three road current sample modules are sampled A, B, C three-phase current respectively, are sent to current integration unit, current integration list
Unit is integrated process to real-time current, and the integration current information after process is sent to signal processing unit, by communicating mould
Block is uploaded to monitor terminal；
Described Integral Processing is：It is within the three-phrase burden balance adjust automatically cycle, all with the integral multiple of 5 minutes as one
Phase, reading per second once current instantaneous current value are added to electric current accumulating register.
Three described road current sample modules are converted into differential voltage signal later current signal isolation, to this differential electrical
Pressure signal carries out high-precision AD conversion, is converted into digital signal, input current value is obtained after being processed to digital signal.
Described current integration unit includes intervalometer and electric current accumulating register.Intervalometer produces the timing signal of 1 second,
After intervalometer sends second signal, electric current accumulating register adds up current current value.
Described signal processing unit intercepts integration current information according to the three-phrase burden balance adjust automatically cycle and passes through
Communication module is sent to monitor terminal integration current information.
Beneficial effect：
Present invention employs in the case where the high-precision electronic insertion residual current circuit breaker of balancing can not be changed,
Install this integration current formula integration module in platform area power distribution network branch path additional, believe for the phase line current in branch path in picking platform area
Breath, meets the demand of three-phrase burden balance automatic adjustment system.
Present invention employs current integration technology, it is to avoid the three-phrase burden balance that transient high-current causes in circuit is automatic
Adjustment system malfunction.
Integration Design is present invention employs, small volume, the low cost of module is made, the installation in power distribution network JP cabinets is solved
Cost of investment problem in the problem and distribution network transform of insufficient space.
Description of the drawings
Fig. 1 is a kind of work block diagram of integration current formula integration module.
Theory diagrams of the Fig. 2 for current integration unit.
Specific embodiment
The present invention will be further described in detail below in conjunction with the accompanying drawings.
As shown in Figure 1, 2, the invention provides a kind of integration current formula integration module, including three road current sample modules,
Current integration unit, signal processing unit, communication module；Wherein three road current sample modules are sampled A, B, C three-phase current respectively,
Current integration unit is sent to, current integration function is integrated process to real-time current, and the integration current information after process
Signal processing unit is sent to, monitor terminal is uploaded to by communication module.
Described current integration unit includes intervalometer and electric current accumulating register.Intervalometer produces the timing signal of 1 second,
After intervalometer sends second signal, electric current accumulating register adds up current current value.
Three road current sample modules (by wherein all the way as a example by) current signal isolation after be converted into differential voltage signal,
High-precision AD conversion is carried out to this differential voltage signal, digital signal is converted into, after being processed to digital signal, obtains defeated
Enter the instantaneous actual value of electric current, be sent to current integration unit.Current integration unit receives reading per second after current instantaneous current value
Take once current instantaneous current value and be added to electric current accumulating register, complete the Integral Processing to electric current.Signal processing unit
The integration current information of time period is intercepted and by communication module integration current according to the three-phrase burden balance adjust automatically cycle
Information is sent to monitor terminal, calculates the load unbalanced rate of three-phase line for monitor terminal and uses.
Described Integral Processing is：It is within the three-phrase burden balance adjust automatically cycle, all with the integral multiple of 5 minutes as one
Phase, reading per second once current instantaneous current value are added to electric current accumulating register.
The preferred embodiments of the present invention are the foregoing is only, the present invention is not restricted to, for the technology of this area
For personnel, the present invention can have various modifications and variations.It is all within the spirit and principles in the present invention, made any repair
Change, equivalent, improvement etc., should be included within scope of the presently claimed invention.
Claims (4)
1. a kind of integration current formula integration module, it is characterised in that including three road current sample modules, current integration unit, letter
Number processing unit, communication module；
Wherein three road current sample modules are sampled A, B, C three-phase current respectively, are sent to current integration unit, current integration unit pair
Real-time current is integrated process, and the integration current information after process is sent to signal processing unit, by communication module
Pass to monitor terminal；
Described Integral Processing is：Within the three-phrase burden balance adjust automatically cycle, the integral multiple with 5 minutes as a cycle,
It is per second to read once current instantaneous current value and be added to electric current accumulating register.
2. a kind of integration current formula integration module according to claim 1, it is characterised in that three described road current samples
Module carries out high-precision AD conversion to this differential voltage signal, turns differential voltage signal is converted into after current signal isolation
Change digital signal into, after being processed to digital signal, obtain input current value.
3. a kind of integration current formula integration module according to claim 1, it is characterised in that described current integration unit
Including intervalometer and electric current accumulating register.Intervalometer produces the timing signal of 1 second, and after intervalometer sends second signal, electric current tires out
Plus depositor adds up current current value.
4. a kind of integration current formula integration module according to claim 1, it is characterised in that described signal processing unit
Integration current information is intercepted according to the three-phrase burden balance adjust automatically cycle and integration current information is sent by communication module
To monitor terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611107922.8A CN106597073A (en) | 2016-12-06 | 2016-12-06 | Integrated integrating current type module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611107922.8A CN106597073A (en) | 2016-12-06 | 2016-12-06 | Integrated integrating current type module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106597073A true CN106597073A (en) | 2017-04-26 |
Family
ID=58597157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611107922.8A Pending CN106597073A (en) | 2016-12-06 | 2016-12-06 | Integrated integrating current type module |
Country Status (1)
| Country | Link |
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| CN (1) | CN106597073A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112162141A (en) * | 2020-09-27 | 2021-01-01 | 济南浪潮高新科技投资发展有限公司 | Current detection device and circuit detection method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202633960U (en) * | 2012-06-08 | 2012-12-26 | 平阴县供电公司 | Automatic adjusting system of low voltage three-phase load imbalance |
| CN203135457U (en) * | 2013-02-04 | 2013-08-14 | 国家电网公司 | Three-phase load equalization adjusting apparatus for low-voltage distribution box |
| CN203135456U (en) * | 2013-02-04 | 2013-08-14 | 国家电网公司 | Three-phase load equalization adjusting apparatus for low-voltage distribution box |
| CN104092229A (en) * | 2014-07-14 | 2014-10-08 | 山东卓尔电气有限公司 | Distributed type power supply zone branch circuit three-phase load current balance monitoring method and device |
| CN105978004A (en) * | 2016-06-23 | 2016-09-28 | 山东卓尔电气有限公司 | System for automatically adjusting balance of three-phase loads of branch unit by utilizing integral current method or electric energy method |
-
2016
- 2016-12-06 CN CN201611107922.8A patent/CN106597073A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202633960U (en) * | 2012-06-08 | 2012-12-26 | 平阴县供电公司 | Automatic adjusting system of low voltage three-phase load imbalance |
| CN203135457U (en) * | 2013-02-04 | 2013-08-14 | 国家电网公司 | Three-phase load equalization adjusting apparatus for low-voltage distribution box |
| CN203135456U (en) * | 2013-02-04 | 2013-08-14 | 国家电网公司 | Three-phase load equalization adjusting apparatus for low-voltage distribution box |
| CN104092229A (en) * | 2014-07-14 | 2014-10-08 | 山东卓尔电气有限公司 | Distributed type power supply zone branch circuit three-phase load current balance monitoring method and device |
| CN105978004A (en) * | 2016-06-23 | 2016-09-28 | 山东卓尔电气有限公司 | System for automatically adjusting balance of three-phase loads of branch unit by utilizing integral current method or electric energy method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112162141A (en) * | 2020-09-27 | 2021-01-01 | 济南浪潮高新科技投资发展有限公司 | Current detection device and circuit detection method |
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Application publication date: 20170426 |