CN201243208Y - Synthesis reactive compensator for monitoring electric network distribution change - Google Patents
Synthesis reactive compensator for monitoring electric network distribution change Download PDFInfo
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- CN201243208Y CN201243208Y CNU2008201901768U CN200820190176U CN201243208Y CN 201243208 Y CN201243208 Y CN 201243208Y CN U2008201901768 U CNU2008201901768 U CN U2008201901768U CN 200820190176 U CN200820190176 U CN 200820190176U CN 201243208 Y CN201243208 Y CN 201243208Y
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- distribution transformer
- reactive power
- data
- monitoring unit
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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
- Y02E40/30—Reactive power compensation
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- Control Of Electrical Variables (AREA)
Abstract
The utility model relates to a synthesized reactive power compensating device for monitoring an electric network distribution transformer, and belongs to the field of electromechanical integrating devices. The synthesized reactive power device is composed of a monitoring unit of the distribution transformer, a reactive power compensating unit, a concentrated meter reading unit, a wireless communicating module and a district refined background software; according to real-time data collected by the monitoring unit of the distribution transformer, the synthesized reactive power device carries out corresponding capacitor switching action by the data of the electric network recorded by the monitoring unit of the distribution transformer such as voltage, electric current, frequency, power, voltage harmonics, current harmonics and the like. The synthesized reactive power device solves the problems that the existing reactive power compensating device has single function and the collected data can not be fully utilized, and the synthesized reactive power compensating device for monitoring an electric network distribution transformer integrates a plurality of functions of the monitoring of the distribution transformer, the wireless communication and the district refined management into one body and can realize to provide complete and reliable data for the district refined management by collecting, recording and gathering the data of the outlet terminal of the transformer such as voltage, current, power, frequency, load factor, harmonic and the like, thus being suitable for various electric networks.
Description
Technical field:
The utility model relates to the comprehensive reactive power compensator of a kind of electrical network distribution transformer monitoring, belongs to optical, mechanical and electronic integration device field.
Background technology:
In the process of electric power system transmission of electric energy, if the reactive power deficiency with the total current of carrying in the system is increased, reduces exerting oneself of transformer, supply line and system equipment active power loss increase, especially terminal voltage decline in the circuit; And for power consumer, absorption is idle from electrical network too much, and the electrical network quality of power supply is descended, also influence self electricity consumption and production, the performance of enterprises is descended, for this reason, in order to reduce idle loss and to avoid its flowing in electrical network, just must carry out reactive power compensation on the spot.
Summary of the invention:
The purpose of this utility model is: a kind of employing DSP singlechip technology is provided, gather the electric current, voltage of measurement circuitry or controller switching equipment, meritorious, idle, power factor, frequency and harmonic wave, the application region control principle, control switching self healing capacitor, the comprehensive reactive power compensator of electrical network distribution transformer monitoring of realization reactive power automatic compensation function.
The utility model is to realize above-mentioned purpose by the following technical solutions:
The comprehensive reactive power compensator of a kind of electrical network distribution transformer monitoring, it is made up of distribution transformer monitoring unit, reactive power compensation unit, centralized automatic meter-reading unit, wireless communication module, the Tai Qu daemon software that becomes more meticulous; It is characterized in that: the built-in dsp chip in distribution transformer monitoring unit is sent to the reactive power compensation unit by isa bus with data; The centralized automatic meter-reading unit reads platform district ammeter data by the RS485 communication serial port, and by bus data is reached the distribution transformer monitoring unit; Wireless communication module is connected with the distribution transformer monitoring unit by the RS232 communication serial port, realization distribution transformer monitoring unit and Tai Qu the communicating by letter between the daemon software that become more meticulous.
The utility model beneficial effect compared with prior art is:
The comprehensive reactive power compensator of this electrical network distribution transformer monitoring integrates distribution transformer monitoring, radio communication, a plurality of functions of platform district fine-grained management, can realize simultaneously by data such as collection, record, the voltage of adding up the transformer leading-out terminal, electric current, active power, reactive power, frequency, load factor, harmonic waves, be uploaded to daemon software, for the fine-grained management of platform district provides complete, reliable data.
Description of drawings:
Fig. 1 is the functional-block diagram of the comprehensive reactive power compensator of electrical network distribution transformer monitoring;
Fig. 2 is the external wiring schematic diagram of the comprehensive reactive power compensator of electrical network distribution transformer monitoring.
Among the figure: 1, distribution transformer monitoring unit, 2, the reactive power compensation unit, 3, the centralized automatic meter-reading unit, 4, wireless communication module, 5, the Tai Qu daemon software that becomes more meticulous.
Embodiment:
The comprehensive reactive power compensator of this electrical network distribution transformer monitoring is made up of distribution transformer monitoring unit 1, reactive power compensation unit 2, centralized automatic meter-reading unit 3, wireless communication module 4, the Tai Qu daemon software 5 that becomes more meticulous.Line voltage, frequency data are imported by voltage input end, and current data is by the current transformer input of installing in the line; Distribution transformer monitoring unit 1 is built-in with dsp chip, frequency collection data with each cycle sampling 20 times, use integration method to calculate circuit active power, reactive power, power factor, voltage, data are sent to reactive power compensation unit 2 by isa bus together with data such as ripples.Built-in storage chip record circuit integral point, the statistics in distribution transformer monitoring unit 1 simultaneously, the data of comprehensive centralized automatic meter-reading unit 3 send to wireless communication module 4 by serial ports with packing data.
Reactive power compensation unit 2 reads required related data from isa bus, with the reactive power is to drop into the electric capacity main criterion, with the power factor is excision electric capacity main criterion, be aided with voltage, together with assistant criteria such as ripples, carry out the capacitor switching control operation, and the switching situation is uploaded to distribution transformer monitoring unit 1 by bus.
Centralized automatic meter-reading unit 3 reads platform district ammeter data by the RS485 communication serial port, and will read the result and be uploaded to distribution transformer monitoring unit 1 by bus.
The platform district daemon software 5 that becomes more meticulous is communicated by letter with distribution transformer monitoring unit 1 by communication module, gathers required various data typing software database, and report output, data analysis function are provided.
This device real-time automatic tracking each phase load electric current and line voltage, the idle size of monitoring power factor is a principle to guarantee rate of qualified voltage to greatest extent, carry out reactive power compensation, eliminate the negative effect that no-power vacancy brought, reduce network loss, be applicable to various electrical networks.
Claims (1)
1, the comprehensive reactive power compensator of a kind of electrical network distribution transformer monitoring, it is made up of distribution transformer monitoring unit (1), reactive power compensation unit (2), centralized automatic meter-reading unit (3), wireless communication module (4), the platform district daemon software (5) that becomes more meticulous; It is characterized in that: the built-in dsp chip in distribution transformer monitoring unit (1) is sent to reactive power compensation unit (2) by isa bus with data; Centralized automatic meter-reading unit (3) reads platform district ammeter data by the RS485 communication serial port, and by bus data is reached distribution transformer monitoring unit (1); Wireless communication module (4) is connected with distribution transformer monitoring unit (1) by the RS232 communication serial port, realization distribution transformer monitoring unit (1) and platform district the communicating by letter between the daemon software (5) that become more meticulous.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201901768U CN201243208Y (en) | 2008-08-08 | 2008-08-08 | Synthesis reactive compensator for monitoring electric network distribution change |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201901768U CN201243208Y (en) | 2008-08-08 | 2008-08-08 | Synthesis reactive compensator for monitoring electric network distribution change |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201243208Y true CN201243208Y (en) | 2009-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201901768U Expired - Fee Related CN201243208Y (en) | 2008-08-08 | 2008-08-08 | Synthesis reactive compensator for monitoring electric network distribution change |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201243208Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102592428A (en) * | 2011-01-12 | 2012-07-18 | 上海运青制版有限公司 | Efficient automatic electric meter reading system |
| CN104502741A (en) * | 2014-11-26 | 2015-04-08 | 河北旭辉电气股份有限公司 | Remote and online monitoring system for static var generator |
-
2008
- 2008-08-08 CN CNU2008201901768U patent/CN201243208Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102592428A (en) * | 2011-01-12 | 2012-07-18 | 上海运青制版有限公司 | Efficient automatic electric meter reading system |
| CN104502741A (en) * | 2014-11-26 | 2015-04-08 | 河北旭辉电气股份有限公司 | Remote and online monitoring system for static var generator |
| CN104502741B (en) * | 2014-11-26 | 2018-05-04 | 河北旭辉电气股份有限公司 | Static reactive generator remote online monitoring system |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090520 Termination date: 20160808 |