CN202068191U - Countryside supercharger - Google Patents
Countryside supercharger Download PDFInfo
- Publication number
- CN202068191U CN202068191U CN 201120016141 CN201120016141U CN202068191U CN 202068191 U CN202068191 U CN 202068191U CN 201120016141 CN201120016141 CN 201120016141 CN 201120016141 U CN201120016141 U CN 201120016141U CN 202068191 U CN202068191 U CN 202068191U
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- Prior art keywords
- switch
- unit
- booster
- transformer
- gateway
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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
Abstract
Disclosed is a countryside supercharger, comprising a transformer device, an automatic control device, and a change-over switch device, wherein the automatic control device is connected with the change-over switch device and the transformer device is connected with the change-over switch device. The countryside supercharger, provided in the utility model, adopts a transformer for stepped voltage regulation installed at the low-voltage side, thereby changing the fixed voltage mode into multi-level loaded voltage-regulating mode. The countryside supercharge is simple in structure and substantially cuts the cost.
Description
Technical field
The utility model relates to a kind of gateway of the village booster.
Background technology
At present, along with development and national economy, national policy is expanded domestic demand, and medium-sized and small enterprises are increasing, and the rural market is greatly developed, among particularly the household electrical appliances activity of going to the countryside is being carried out in high gear, characteristics such as the bigger industrial and mining enterprises' supply network of originally weak distribution network, rural area network and load change is in running, and is far away because of its power supply distance, and load variations is big, cause the line voltage distribution loss serious, particularly power supply is terminal situations such as voltage is low, voltage fluctuation is big occur as the gateway of the village.Make industrial and mining enterprises' electrical equipment, the agricultural electrical equipment in rural area, rural area household electrical appliance etc. be difficult to normal use.China is vast in territory, and supply network is difficult to cover fully and effectively all villages, rural area.Though village village energising, the quality of power supply that is difficult to guarantee also allow people " hope electricity heave a sigh ".Nearly 900,000,000 6 thousand ten thousand people in the countryside of China, about 743289 villages wherein still have a large amount of villages need improve the quality of voltage of power supply.
At above problem, existing solution is: 1, enlarge the national grid construction, increase substation location at different levels, reduce radius of electricity supply, guarantee power supply quality.But have problems be, need to drop into a huge sum of money,, can only accomplish to increase big zone and layout, can't accomplish to layout comprehensively with existing national economic development situation.2, on the 10KV supply network, adopt voltage regulating transformer, to improve the loss of voltage of long distance power supply.But the problem that exists is voltage regulating transformer user's overtension nearby, the safe operation of danger side of body electrical appliance.Simultaneously, terminal user's quality of voltage still is difficult to satisfy comprehensively, and tangible limitation is arranged.And cost an arm and a leg.3, need to change original high loss transformer, adopt low loss transformer.But existing problems are that the replacing amount is big, the expense height.
The utility model content
In order to solve existing technical problem in the background technology, the utility model proposes a kind of gateway of the village booster, adopt the transformer that increases stepped voltage regulation in low-pressure side, fixing voltage mode is transformed into multistage on-load voltage regulation pattern, simple in structure, cost reduces greatly.
Technical solution of the present utility model is: the utility model is a kind of gateway of the village booster, and its special character is: described gateway of the village booster comprises device for transformer, automatic control equipment and converting switch device; Described automatic control equipment is connected with converting switch device; Described device for transformer is connected with converting switch device.
Above-mentioned gateway of the village booster also comprises power supply, and described power supply is responsible for to automatic control equipment and converting switch device power supply.
Above-mentioned converting switch device comprises automatic transfer switch; Described automatic transfer switch is the multiple-pole switch that two or more single-stage switch in parallel are formed, and described single-stage switch comprises main switch, auxiliary switch and transition impedance unit; Described auxiliary switch is connected with the transition impedance units in series, and described auxiliary switch is in parallel with main switch with the series loop of transition impedance unit; Described transition impedance unit and auxiliary switch are one to one or one-to-many.
Above-mentioned automatic transfer switch also comprises anti-welding dead switch and by-pass switch, and described anti-welding dead switch is connected between the single-stage switch, and described by-pass switch is in parallel with multiple-pole switch.
Above-mentioned main switch, auxiliary switch, anti-welding dead switch and by-pass switch are contactor, controllable silicon, circuit breaker or isolating switch.
Above-mentioned transition impedance unit is transition resistance, transition reactance, transition impedance, and described transition resistance is metallic resistance or non-metallic resistor, and described transition reactance is a reactor, and described transition impedance is the serial or parallel connection combination of above-mentioned transition resistance and transition reactance.
Above-mentioned device for transformer is a voltage regulating transformer, and this voltage regulating transformer is the oil-immersed type transformer of former sideband tap or the oil-immersed type transformer or the dry-type transformer of dry-type transformer or subcarrier band tap.
Above-mentioned automatic control equipment comprises sampling unit, CPU element and controllable silicon unit, described sampling unit is connected with CPU element respectively with the controllable silicon unit, or/and device for transformer is connected, described sampling unit comprises voltage sampling unit and/or current sampling unit to described sampling unit with automatic transfer switch.
Above-mentioned booster also comprises the protection monitoring device; described protection monitoring device is connected with automatic control equipment; described protection monitoring device comprises relay unit and indicating member, and relay unit is connected with automatic control unit, and indicating member is connected with automatic control equipment and/or relay unit.
Above-mentioned relay unit comprises voltage relay, current relay, auxiliary relay and the time relay, described relay is electromagnetic type, electronic type relay, and described indicating member is voltmeter, ammeter, digital display tube, LCD or indicator light.
Above-mentioned booster also comprises reactive power compensator, and described reactive power compensator is in parallel with device for transformer, and described reactive power compensator comprises capacitor unit and/or reactor unit.
Above-mentioned capacitor unit is dry-type capacitor, oil capacitor; Described reactor unit is dry reactor, liquid immersed reactor.
The utlity model has following advantage:
1, cost is low, and is simple in structure.The utility model is on the basis of fixed voltage transformer, and adopting in the low-pressure side increase has the transformer that carries stepped voltage regulation, and fixing voltage mode is transformed into the multi-stage pressure regulating pattern of carrying, and pressure regulation is motivated, and is simple in structure.And, layout transformer high-power with employing compared with the scheme that satisfies user's voltage request more, and cost reduces greatly.
2, there are not outage gear shift, power supply reliability height.Switch is generally the fling-cut switch of a circuit, as a plurality of circuit of switching, powering-off state must occur.But in the utility model,, and, possessed the automatic switchover of not having outage, smooth transition by the control requirement through the automatic control unit Comprehensive Control through the main switch structural design in parallel with auxiliary switch and transition resistance.
3, the amplitude of boosting is flexible, and automation is regulated.Range of regulation of the present utility model can be adjusted flexibly by actual conditions and customer requirements in conjunction with electrical network, and adjusting is followed the tracks of in the realization automation that is in operation.
4, suitable pressure regulation capacity is big.The utility model needs applicable to various capacity.
5, can directly realize any gear switch, governing speed is fast.The utility model adopts CPU control, and contactor switches, gear switch step by step in order, and existing servomotor regulation scheme is quicker.
6, be applicable to frequent operation.The utility model is applicable to that voltage fluctuation is big, needs the occasion of frequent operation.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of a kind of preferred embodiment of the utility model.
Embodiment
Referring to Fig. 1, gateway of the village of the present utility model booster comprises that converting switch device 1, device for transformer 2, automatic control equipment 3, protection monitoring device 4, reactive power compensator 6 and power supply 7 constitute; Automatic control equipment 3 is connected with converting switch device 1, and power supply 7 is connected in automatic control equipment 3 and converting switch device 1; Device for transformer 2 is connected with converting switch device 1; Protection monitoring device 4 is connected with automatic control equipment 3; Reactive power compensator 6 is in parallel with device for transformer 2; Converting switch device 1 comprises one or more main switch (K1, K2 ... Kn), auxiliary switch (K1 ', K2 ' ... Kn '), transition impedance unit (Z1, Z2 ... Zn) and anti-welding dead switch (K) and by-pass switch 5, auxiliary switch is connected with the transition impedance units in series, auxiliary switch is in parallel with main switch with the series loop of transition impedance unit, transition impedance unit and auxiliary switch are one to one or one-to-many (the shared transition impedance unit of auxiliary switch in promptly can a plurality of single-stage switches, except the Z1), anti-welding dead switch is connected between the single-stage switch, and described by-pass switch 5 is in parallel with multiple-pole switch.
Device for transformer 2 is oil-immersed type transformer or dry-type transformer, especially oil immersion autotransformer or dry type autotransformers of band tap.
Main switch, auxiliary switch, anti-welding dead switch, by-pass switch are contactor, controllable silicon, circuit breaker or isolating switch; The transition impedance unit is transition resistance, transition reactance, transition impedance, transition resistance is metallic resistance or non-metallic resistor, especially high-power noninductive high technology ceramics resistance, the transition reactance is a reactor, transition impedance is the serial or parallel connection combination of above-mentioned transition resistance and transition reactance.
Referring to Fig. 2, a kind of in the utility model preferred embodiment, automatic control equipment 3 sampling power supplys 7 input voltages, analyze input voltage control its switch device 1 by single-chip microcomputer, switch on-off is raised to normal voltage scope by device for transformer 2 with the low voltage of importing to device for transformer 2 corresponding gears.Simultaneously, protection monitoring device 4 is monitored each electric parameter of electrical network in all cases, and under circuit abnormality or the electrical network abnormal conditions, starts automatic control equipment 3, takes the corresponding protection measure.By-pass switch 5 is in parallel with package unit, and occurs under the unusual situation at complete equipment, and excision gateway of the village booster guarantees the reliability that the user powers.Reactive power compensator 6 is connected to load side, in order to the reactive power consumption of compensator transformer, improves the power factor of power load integral body.
Claims (10)
1. gateway of the village booster, it is characterized in that: described gateway of the village booster comprises device for transformer, automatic control equipment and converting switch device; Described automatic control equipment is connected with converting switch device; Described device for transformer is connected with converting switch device.
2. gateway of the village according to claim 1 booster is characterized in that: described gateway of the village booster also comprises power supply, and described power supply is responsible for to automatic control equipment and converting switch device power supply.
3. gateway of the village according to claim 2 booster is characterized in that: described converting switch device comprises automatic transfer switch; Described automatic transfer switch is the multiple-pole switch that two or more single-stage switch in parallel are formed, and described single-stage switch comprises main switch unit, auxiliary switching element and transition impedance unit; Described auxiliary switching element is connected with the transition impedance units in series, and described auxiliary switching element is in parallel with the main switch unit with the series loop of transition impedance unit; Described transition impedance unit and auxiliary switch are one to one or one-to-many.
4. gateway of the village according to claim 3 booster is characterized in that: described automatic transfer switch also comprises anti-welding dead switch and by-pass switch, and described anti-welding dead switch is connected between the single-stage switch, and described by-pass switch is in parallel with multiple-pole switch.
5. gateway of the village according to claim 4 booster is characterized in that: described main switch unit, auxiliary switching element, anti-welding dead switch and by-pass switch are contactor, controllable silicon, circuit breaker or isolating switch.
6. gateway of the village according to claim 3 booster, it is characterized in that: described transition impedance unit is transition resistance, transition reactance, transition impedance, described transition resistance is metallic resistance or non-metallic resistor, described transition reactance is a reactor, and described transition impedance is the serial or parallel connection combination of above-mentioned transition resistance and transition reactance.
7. gateway of the village according to claim 1 booster is characterized in that: described device for transformer is a voltage regulating transformer, and this voltage regulating transformer is the oil-immersed type transformer of former sideband tap or the oil-immersed type transformer or the dry-type transformer of dry-type transformer or subcarrier band tap.
8. gateway of the village according to claim 1 booster, it is characterized in that: described automatic control equipment comprises sampling unit, CPU element and controllable silicon unit, described sampling unit is connected with CPU element respectively with the controllable silicon unit, or/and device for transformer is connected, described sampling unit comprises voltage sampling unit and/or current sampling unit to described sampling unit with automatic transfer switch.
9. according to the described gateway of the village of the arbitrary claim of claim 1 to 8 booster; it is characterized in that: described booster also comprises the protection monitoring device; described protection monitoring device is connected with automatic control equipment; described protection monitoring device comprises relay unit and indicating member; relay unit is connected with automatic control unit; indicating member is connected with automatic control equipment and/or relay unit; described relay unit comprises voltage relay; current relay; the auxiliary relay and the time relay; described relay is an electromagnetic type; electronic type relay, described indicating member are voltmeter; ammeter; digital display tube; LCD or indicator light.
10. gateway of the village according to claim 9 booster, it is characterized in that: described booster also comprises reactive power compensator, described reactive power compensator is in parallel with device for transformer, described reactive power compensator comprises capacitor unit and/or reactor unit, and described capacitor unit is dry-type capacitor, oil capacitor; Described reactor unit is dry reactor, liquid immersed reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120016141 CN202068191U (en) | 2011-01-19 | 2011-01-19 | Countryside supercharger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120016141 CN202068191U (en) | 2011-01-19 | 2011-01-19 | Countryside supercharger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202068191U true CN202068191U (en) | 2011-12-07 |
Family
ID=45062044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120016141 Expired - Lifetime CN202068191U (en) | 2011-01-19 | 2011-01-19 | Countryside supercharger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202068191U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102075006A (en) * | 2011-01-19 | 2011-05-25 | 西安盟创电器有限公司 | Village supercharger |
| CN104078980A (en) * | 2013-03-29 | 2014-10-01 | 王广富 | Electricity-saving system capable of selecting and stably outputting voltage |
| WO2014202447A1 (en) * | 2013-06-20 | 2014-12-24 | Siemens Aktiengesellschaft | Controllable local network transformer |
| WO2015127947A1 (en) * | 2014-02-27 | 2015-09-03 | Schaltbau Gmbh | Transformer step switch |
| CN105305835A (en) * | 2014-05-27 | 2016-02-03 | 江苏省电力公司南京供电公司 | Multistage on-load voltage regulation anti-icing transformer |
| CN105632727A (en) * | 2014-11-25 | 2016-06-01 | 王海 | On-load tap-changer of transformer and on-load tap changing transformer |
| CN106024344A (en) * | 2016-07-25 | 2016-10-12 | 北京平开智能电气有限公司 | On-load capacity and voltage regulating device |
-
2011
- 2011-01-19 CN CN 201120016141 patent/CN202068191U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102075006A (en) * | 2011-01-19 | 2011-05-25 | 西安盟创电器有限公司 | Village supercharger |
| CN104078980A (en) * | 2013-03-29 | 2014-10-01 | 王广富 | Electricity-saving system capable of selecting and stably outputting voltage |
| WO2014202447A1 (en) * | 2013-06-20 | 2014-12-24 | Siemens Aktiengesellschaft | Controllable local network transformer |
| WO2015127947A1 (en) * | 2014-02-27 | 2015-09-03 | Schaltbau Gmbh | Transformer step switch |
| CN105305835A (en) * | 2014-05-27 | 2016-02-03 | 江苏省电力公司南京供电公司 | Multistage on-load voltage regulation anti-icing transformer |
| CN105632727A (en) * | 2014-11-25 | 2016-06-01 | 王海 | On-load tap-changer of transformer and on-load tap changing transformer |
| CN105632727B (en) * | 2014-11-25 | 2021-01-12 | 王海 | Transformer on-load voltage regulation tap switch and on-load voltage regulation transformer |
| CN106024344A (en) * | 2016-07-25 | 2016-10-12 | 北京平开智能电气有限公司 | On-load capacity and voltage regulating device |
| CN106024344B (en) * | 2016-07-25 | 2018-01-30 | 北京平开智能电气有限公司 | Loaded capacity regulating voltage regulating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111207 |
|
| CX01 | Expiry of patent term |