CN110401202A - Rural power grids low-voltage lifting device - Google Patents
Rural power grids low-voltage lifting device Download PDFInfo
- Publication number
- CN110401202A CN110401202A CN201910776236.7A CN201910776236A CN110401202A CN 110401202 A CN110401202 A CN 110401202A CN 201910776236 A CN201910776236 A CN 201910776236A CN 110401202 A CN110401202 A CN 110401202A
- Authority
- CN
- China
- Prior art keywords
- voltage
- switching
- power grids
- real
- rural power
- 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.)
- Pending
Links
- 239000003990 capacitor Substances 0.000 claims abstract description 8
- 229910001124 EN series Inorganic materials 0.000 claims abstract description 5
- 239000002131 composite material Substances 0.000 claims abstract description 5
- 238000006757 chemical reactions by type Methods 0.000 claims abstract description 4
- 238000004080 punching Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 9
- 230000006641 stabilisation Effects 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 5
- 230000003044 adaptive effect Effects 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 3
- 238000012271 agricultural production Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 238000011897 real-time detection Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 206010006895 Cachexia Diseases 0.000 description 1
- 229910001335 Galvanized steel Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000008397 galvanized steel Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 230000002459 sustained effect Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 208000016318 wasting Diseases 0.000 description 1
Classifications
-
- 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
- H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
- H02J3/16—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by adjustment of reactive power
-
- 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
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
- H02J3/1821—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators
- H02J3/1835—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control
- H02J3/1864—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators with stepless control wherein the stepless control of reactive power is obtained by at least one reactive element connected in series with a semiconductor switch
-
- 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
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses a kind of rural power grids low-voltage lifting devices; it includes controller, route protection unit and capacitor, thyristor composite switch circuit, breaker of plastic casing, arrester and the current transformer of the single-phase EN series of electrical connection; wherein controller is monitored using reaction type; using the real-time voltage of load as switching physical quantity; signal data acquisition, calculating, control output are completed in 20ms; after fling-cut switch is connected to switching instruction; zero current investment is completed being less than in 10ms; switching no-flashy-flow; to power grid without impact, to guarantee real-time tracking switching.The device of the invention response time is short, and voltage boosting effect is good, and compensation precision is high, is finally reached systems stabilisation terminal voltage, increases the purpose of rate of qualified voltage.
Description
Technical field
The present invention relates to distribution operation and maintenance field, especially a kind of rural power grids low-voltage lifting device.
Background technique
In recent years, rural economy society in China's is fast-developing, and rural electricity consumption load growth is rapid, and matter has occurred in electricity consumption ratio
Variation, the household electricities such as household electrical appliance and irrigation and drainage etc. seasonality electricity consumption ratio increase year by year, rural power grids power pressure
Increase year by year, rural area some areas " low-voltage " problem highlights again, moreover, coming years rural power grids low-voltage task is also very difficult
Huge, with rural economy social development, agricultural production modernization and household electrical appliance popularity fast lifting, power load are kept
Maintain sustained and rapid growth situation, and some areas rural power grids development speed can not still fully meet demand.In following one period, use
Also there is dynamic in electric peak period " low-voltage " problem.The production and living of resident have been seriously affected, therefore how to have taken and arranges
It applies and improves rural power grids supply voltage, improving power supply quality is current power quality controlling and regulatory agency and practitioner
The important topic faced.In summary information, administers that rural power grids low-voltage problem time is tight, task weight, from scientific research with apply angle
It sets out, need to release as early as possible can improve the apparent rural power grids low-voltage synthesis of system voltage qualification rate, high degree of automation, compensation effect
Administer product.
Summary of the invention
It is an object of the invention to solve above-mentioned technical problem and provide it is a kind of can improve system voltage qualification rate, automation
Degree height, the apparent rural power grids low-voltage lifting device of compensation effect.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme:
A kind of rural power grids low-voltage lifting device, the controller of the single-phase EN series including electrical connection, route protection unit and
Capacitor, thyristor composite switch circuit, breaker of plastic casing, arrester and current transformer, wherein controller uses reaction type
Monitoring completes signal data acquisition, calculating, control output, switching using the real-time voltage of load as switching physical quantity in 20ms
After switch is connected to switching instruction, zero current investment is completed being less than in 10ms, switching no-flashy-flow, to power grid without impact, to guarantee
Real-time tracking switching.
Rural power grids low-voltage lifting device can in real time, dynamically lifting system terminal voltage, solve the problems, such as rural power grids low-voltage.
Real-time detection custom system voltage increases device output capacity to promote voltage, when user is when the decline of custom system voltage
System voltage restore to it is normal when reduce device output capacity with recovery system normal voltage, device rapidly real-time monitoring with it is adaptive
It should compensate and be combined with each other, versatile, independence is high.The comprehensive compensation mode combined using reactive compensation with voltage increase,
Self adaptive control is carried out, can achieve ideal compensation effect.Device itself uses quick-switching technology, response time simultaneously
Short, voltage boosting effect is good, and compensation precision is high.It is finally reached systems stabilisation terminal voltage, increases the purpose of rate of qualified voltage.
The beneficial effects of the present invention are: infusion of financial resources of the invention is not high, but effect is obvious, and beneficiary's multi-panel is wide.Secondly,
In addition to reducing line loss, reduces because of electrical equipment faults such as low-voltage bring apparatus failure and transformers, can also reduce
Because using traditional approach but the limited wastings of resources of actual effect such as transformer replacement, fixed capacitor compensation, so that power grid is public
It is more rationally healthier to take charge of capital investment.Moreover, peasant household because caused by low-voltage electric appliance damage also can accordingly reduce, cannot use in the past
Agricultural equipment access use after, agricultural production efficiency is promoted, and is also brought along corresponding income and is promoted.It reduces
The 95598 complaint amount about rural power grids low-voltage promotes rural power grids rate of qualified voltage, pushes the upgrading of rural power grids upgrade job of state's net, delays
The practical examination pressure of grid company employee is solved, level of performance is promoted；It is adaptively administered, will be improved conscientiously by rural power grids low-voltage
Rural area especially remote mountain areas user production and living electricity condition constructs green network, promotes socialism harmony new rural village
It develops in a healthy way.
Detailed description of the invention
Fig. 1 is electrical connection schematic diagram of the invention.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments:
Referring to Fig. 1, rural power grids low-voltage lifting device of the invention includes controller, the route of the single-phase EN series of electrical connection
Protection location and capacitor, thyristor composite switch circuit, breaker of plastic casing, arrester and current transformer, wherein controller
It is monitored using reaction type, using the real-time voltage of load as switching physical quantity, signal data acquisition, calculating, control is completed in 20ms
System output, fling-cut switch be connected to switching instruction after, be less than 10ms in complete zero current investment, switching no-flashy-flow, to power grid without
Impact, to guarantee real-time tracking switching.
The composition of device: the device of the invention is by intelligent measurement and control unit, thyristor composite switch circuit, route protection unit
And capacitor bank forms, have it is small in size, low in energy consumption, high reliablity, wiring is simple, easy to maintain, the advantages such as using flexible.
The main components of device: main components have intelligent capacitor, single-phase EN series control inside the device of the invention
Device processed, arrester, breaker of plastic casing, current transformer, etc. composition；RC series pole single-phase intelligent capacitance reactive compensation device
It can be required that modularized design can be carried out according to user, i.e. a module collects capacitor, reactor, breaker of plastic casing, arrester in one
Body, compact-sized, layout novelty.
The design feature of device: power factor, electric current, voltage, switch state etc. on the device of the invention control panel
Information is shown, user is facilitated to carry out observation in real time and the conversion of manual/auto switching；The air holes that heat dissipation is equipped at the top of cabinet body is conducive to
Ventilation and heat.
The body structure of device: the device of the invention cabinet is made of high-quality stainless steel plate, and planarization is good, and outer surface is made
Plastic-spraying processing, anti-corrosion ability are strong；Inner frame uses galvanized steel plain sheet, it is ensured that preferable mechanicalness and anti-corrosive properties.
The defencive function of device: the device of the invention defencive function is complete, there is the protection such as short circuit, overload, over-voltage, under-voltage；
Parameters setting is convenient；Operation is automatically exited from when there is dependent failure generation in outside, is resumed operation automatically after power transmission.
Rural power grids low-voltage lifting device can in real time, dynamically lifting system terminal voltage, solve the problems, such as rural power grids low-voltage.
Real-time detection custom system voltage increases device output capacity to promote voltage, when user is when the decline of custom system voltage
System voltage restore to it is normal when reduce device output capacity with recovery system normal voltage, device rapidly real-time monitoring with it is adaptive
It should compensate and be combined with each other, versatile, independence is high.The comprehensive compensation mode combined using reactive compensation with voltage increase,
Self adaptive control is carried out, can achieve ideal compensation effect.Device itself uses quick-switching technology, response time simultaneously
Short, voltage boosting effect is good, and compensation precision is high.It is finally reached systems stabilisation terminal voltage, increases the purpose of rate of qualified voltage.
In conclusion the contents of the present invention are not limited in the above embodiments, those skilled in the art can be
It is proposed other embodiments within technological guidance's thought of the invention, but these embodiments be included in the scope of the present invention it
It is interior.
Claims (1)
1. a kind of rural power grids low-voltage lifting device, it is characterised in that: controller, the route of the single-phase EN series including electrical connection are protected
Unit and capacitor, thyristor composite switch circuit, breaker of plastic casing, arrester and current transformer are protected, wherein controller is adopted
It is monitored with reaction type, using the real-time voltage of load as switching physical quantity, signal data acquisition, calculating, control is completed in 20ms
Output after fling-cut switch is connected to switching instruction, completes zero current investment, switching no-flashy-flow, to power grid without punching being less than in 10ms
It hits, to guarantee real-time tracking switching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910776236.7A CN110401202A (en) | 2019-08-22 | 2019-08-22 | Rural power grids low-voltage lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910776236.7A CN110401202A (en) | 2019-08-22 | 2019-08-22 | Rural power grids low-voltage lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110401202A true CN110401202A (en) | 2019-11-01 |
Family
ID=68328774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910776236.7A Pending CN110401202A (en) | 2019-08-22 | 2019-08-22 | Rural power grids low-voltage lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110401202A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2701143Y (en) * | 2004-06-16 | 2005-05-18 | 杨国权 | Zero-current switched dynamic reactive power compensation or harmonic wave governing apparatus |
| CN101068082A (en) * | 2007-03-28 | 2007-11-07 | 中国南车集团株洲电力机车研究所 | Comprehensive compensating device and method |
| CN201388061Y (en) * | 2009-04-21 | 2010-01-20 | 北京森硕电气设备有限公司 | High-voltage-to-low-voltage reactive power compensation flexible switching device |
| CN202333812U (en) * | 2011-10-28 | 2012-07-11 | 保定华源电气新技术开发有限公司 | Quick switching reactive power filtration and compensation device |
| CN102904438A (en) * | 2011-07-26 | 2013-01-30 | 鸿富锦精密工业（深圳）有限公司 | Digital pulse duration modulation controller |
| CN203859529U (en) * | 2014-04-25 | 2014-10-01 | 天津市津开电气有限公司 | Self-recovery reactive power compensation thyristor filtering device |
| CN204732885U (en) * | 2015-07-16 | 2015-10-28 | 郑州泰格电气设备有限公司 | Low voltage dynamic reactive-power compensation and intelligent filter device |
| CN205117778U (en) * | 2015-10-19 | 2016-03-30 | 广东易事特电源股份有限公司 | Adjustable fan speed's uninterrupted power source |
| CN206490434U (en) * | 2017-03-07 | 2017-09-12 | 国网福建省电力有限公司 | A kind of low pressure voltage-regulating and voltage-stabilizing device |
| CN107482647A (en) * | 2017-09-13 | 2017-12-15 | 国网山东省电力公司临沂供电公司 | One kind is based on rural power grids power-distribution electric energy lifting system |
-
2019
- 2019-08-22 CN CN201910776236.7A patent/CN110401202A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2701143Y (en) * | 2004-06-16 | 2005-05-18 | 杨国权 | Zero-current switched dynamic reactive power compensation or harmonic wave governing apparatus |
| CN101068082A (en) * | 2007-03-28 | 2007-11-07 | 中国南车集团株洲电力机车研究所 | Comprehensive compensating device and method |
| CN201388061Y (en) * | 2009-04-21 | 2010-01-20 | 北京森硕电气设备有限公司 | High-voltage-to-low-voltage reactive power compensation flexible switching device |
| CN102904438A (en) * | 2011-07-26 | 2013-01-30 | 鸿富锦精密工业（深圳）有限公司 | Digital pulse duration modulation controller |
| CN202333812U (en) * | 2011-10-28 | 2012-07-11 | 保定华源电气新技术开发有限公司 | Quick switching reactive power filtration and compensation device |
| CN203859529U (en) * | 2014-04-25 | 2014-10-01 | 天津市津开电气有限公司 | Self-recovery reactive power compensation thyristor filtering device |
| CN204732885U (en) * | 2015-07-16 | 2015-10-28 | 郑州泰格电气设备有限公司 | Low voltage dynamic reactive-power compensation and intelligent filter device |
| CN205117778U (en) * | 2015-10-19 | 2016-03-30 | 广东易事特电源股份有限公司 | Adjustable fan speed's uninterrupted power source |
| CN206490434U (en) * | 2017-03-07 | 2017-09-12 | 国网福建省电力有限公司 | A kind of low pressure voltage-regulating and voltage-stabilizing device |
| CN107482647A (en) * | 2017-09-13 | 2017-12-15 | 国网山东省电力公司临沂供电公司 | One kind is based on rural power grids power-distribution electric energy lifting system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103595138A (en) | Smart micro-grid system | |
| CN106887856A (en) | Three-phase imbalance adjustment control method, device and three-phase imbalance regulating system | |
| CN202957612U (en) | Wind and photovoltaic power storage intelligent microgrid and control system thereof | |
| CN101299541B (en) | Supervoltage magnetic-controlled shunt reactor excitation equipment | |
| CN103595059A (en) | Reactive compensation device of 10kV line | |
| CN110460052A (en) | A kind of photovoltaic inversion control method that can improve distribution network electric energy quality | |
| CN201717638U (en) | Static synchronous compensating device for power grid | |
| CN206790103U (en) | A kind of voltage dip/temporarily rise controlling device | |
| CN105896550A (en) | Monitoring method of intelligent reactive power compensation system | |
| Wang et al. | Voltage prevention and emergency coordinated control strategy for photovoltaic power plants considering reactive power allocation | |
| CN204721106U (en) | Based on the power transmission line overhead ground wire electromagnetism energy taking device of super capacitor | |
| CN203562784U (en) | Reactive compensation device of 10kV line | |
| CN202856377U (en) | Intelligent low-voltage reactive power compensation system | |
| CN110401202A (en) | Rural power grids low-voltage lifting device | |
| CN204761157U (en) | A synthesize measurement and control device for distributed generator | |
| CN204349455U (en) | Outdoor intelligent static compensation device | |
| CN203466573U (en) | Three-phase common compensation type dynamic harmonic suppression intelligent capacitor | |
| CN203553945U (en) | Shunt magnetically-controlled reactor-type dynamic reactive voltage regulation device | |
| CN215817547U (en) | Reactive automatic compensation device for controlling inverter and capacitor to adjust power factor | |
| CN204760195U (en) | Energy -saving oil immersible power transformer | |
| CN104701862B (en) | A kind of SVG reactive power compensators of outdoor pole-mounted | |
| CN209134140U (en) | A kind of main transformer power-factor monitoring system suitable for 35kV | |
| CN205335862U (en) | Flexible switching device of intelligence | |
| CN220172922U (en) | Transformer area voltage regulation and control system | |
| CN204720983U (en) | Intelligent low-pressure dynamic filter compensating tank |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191101 |
|
| RJ01 | Rejection of invention patent application after publication |