CN205724907U - A kind of three-phase small-sized active-part on-load-tap-changing auto device - Google Patents
A kind of three-phase small-sized active-part on-load-tap-changing auto device Download PDFInfo
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- CN205724907U CN205724907U CN201620608146.9U CN201620608146U CN205724907U CN 205724907 U CN205724907 U CN 205724907U CN 201620608146 U CN201620608146 U CN 201620608146U CN 205724907 U CN205724907 U CN 205724907U
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- load
- tap
- autotransformer
- controller
- voltage
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Abstract
The utility model proposes a kind of three-phase small-sized active-part on-load-tap-changing auto device, to realize realizing automatic loaded voltage regulation by the no-load voltage ratio of load ratio bridging switch regulation autotransformer.For realizing above-mentioned technical purpose, this utility model adopts the following technical scheme that: a kind of three-phase small-sized active-part on-load-tap-changing auto device, by autotransformer, load ratio bridging switch, current transformer, intelligent capacitor, controller and communication module collectively constitute, the series excitation winding of autotransformer is configured to multiple tap and accesses the different contacts of load ratio bridging switch, to change its output voltage by changeover contact regulation autotransformer no-load voltage ratio, autotransformer is connected with current transformer, current transformer is simultaneously connected with intelligent capacitor and controller, controller is by the voltage sampling unit being simultaneously connected with single-chip microcomputer, current sampling unit, PORT COM, control output circuit, data storage circuitry collectively constitutes, controller is simultaneously connected with intelligent capacitor and communication module.
Description
Technical field
This utility model belongs to power supply equipment technical field, is specifically related to a kind of small-sized active-part on-load-tap-changing auto of three-phase
Device.
Background technology
At present, China rural area part poverty-stricken area peasant household lives and more disperses, and 10kV transformer station distance electricity consumption region is relative
Farther out, 0.4kV Three-Phase Distribution Transformers radius of electricity supply (conveying electrical distance) is less simultaneously, along with the increase of transmission of electricity radius, circuit
Pressure drop is gradually increased；And owing to season, change round the clock make voltage pulsation the biggest；Particularly in the rural area irrigation and drainage phase
Between, the Spring Festival, Out-migrant for work such as returned to one's native place at the peak times of power consumption, was in the peasant household of 0.4kV distribution transformer radius of electricity supply end because of voltage mistake
Low, cause many household electric appliances all cannot start, electricity consumption difficulty, power supply quality cannot ensure.
Utility model content
For solving above-mentioned prior art problem, main purpose of the present utility model is for existing 0.4kV three-phase distribution
Transformator outlet side radius of electricity supply terminal voltage quality problems, it is proposed that a kind of three-phase small-sized active-part on-load-tap-changing auto device, to realize
Automatic loaded voltage regulation is realized by the no-load voltage ratio of load ratio bridging switch regulation autotransformer.
For realizing above-mentioned technical purpose, this utility model adopts the following technical scheme that:
A kind of three-phase small-sized active-part on-load-tap-changing auto device, it is characterised in that: by autotransformer, load ratio bridging switch, electric current
Transformer, intelligent capacitor, controller and communication module collectively constitute, described autotransformer include series excitation winding, shunt excitation around
Group and control winding, wherein said series excitation winding is configured to multiple tap and accesses the different contacts of load ratio bridging switch,
With by changeover contact regulation autotransformer no-load voltage ratio change its output voltage, shunt connection of excitation wind be autotransformer public around
Group, controlling winding provides working power and sampled signal for controller, and described autotransformer is connected with current transformer, institute
Stating current transformer to be simultaneously connected with intelligent capacitor and controller, described controller is by the voltage sample being simultaneously connected with single-chip microcomputer
Unit, current sampling unit, PORT COM, control output circuit, data storage circuitry collectively constitute, and described controller is with intelligence
Electric capacity and communication module are simultaneously connected with.
Further, described load ratio bridging switch is three-phase end voltage regulating loading tap changer.
Preferably, the model of described load ratio bridging switch is SYTZZ 10/100-9.
Further, described communication module is wireless communication module.
This utility model uses for reference the principle of 10kV three-phase automatic coupling voltage regulator, according to input side line voltage attenuation situation, passes through
Regulation or change tap position change voltage levvl so that pressure regulator output line voltage meets predetermined requirement, stablizes and is setting
Definite value.The foundation of regulation voltage is with 0.4kV Three-Phase Distribution Transformers outlet side, and radius of electricity supply terminal voltage is changed to benchmark；
This pressure regulator input side line voltage levvl is set by the difference according to different regions radius of electricity supply, load variations and peak load situation
Be scheduled on one predetermined within the scope of (generally 0.295kV～0.415kV), will output side line voltage stabilization for 0.4kV.
Accompanying drawing explanation
Fig. 1 is this utility model structural representation；
Fig. 2 is circuit connecting relation figure of the present utility model；
Fig. 3 is this utility model controller circuitry annexation figure.
Detailed description of the invention
For making creation characteristic of the present utility model, technological means and beneficial effect it can be readily appreciated that below in conjunction with accompanying drawing and reality
Execute example this utility model is described in further detail, but be not construed as restriction of the present utility model.
As it is shown in figure 1, three-phase provided by the utility model small-sized active-part on-load-tap-changing auto device, include autotransformer 1,
Load ratio bridging switch 2, current transformer 4, intelligent capacitor 5, controller 3 and communication module 6；
Wherein, autotransformer 1 includes series excitation winding, shunt connection of excitation wind and control winding, and series excitation winding is configured to lead to
Cross multiple tap and access the different contacts of load ratio bridging switch 2, to be changed by changeover contact regulation autotransformer 1 no-load voltage ratio
Its output voltage, shunt connection of excitation wind is the public winding of autotransformer 1, and controlling winding provides working power for controller 3 and adopt
Sample signal；
Autotransformer 1 is connected with current transformer 4, and current transformer 4 connects with intelligent capacitor 5 and controller 3 simultaneously
Connect；
Controller 3 is by the voltage sampling unit 302 being simultaneously connected with single-chip microcomputer 301, current sampling unit 303, communication terminal
Mouth 304, control output circuit 305, data storage circuitry 306 collectively constitute；
Controller 3 is simultaneously connected with intelligent capacitor 5 and communication module 6, and its voltage signal gathering output enters with setting value
Row compare, and send instruction control load ratio bridging switch 2 carry out pressure regulation operation.
As preferred embodiment of the present utility model, load ratio bridging switch 2 use model be model be SYTZZ 10/
The three-phase end voltage regulating loading tap changer of 100-9, communication module 6 is wireless communication module.
Of the present utility model ultimate principle, principal character and of the present utility model advantage have more than been shown and described.One's own profession
Skilled person will appreciate that of industry, this utility model is not restricted to the described embodiments, described in above-described embodiment and description
Principle of the present utility model is simply described, on the premise of without departing from this utility model spirit and scope, this utility model is also
Have various changes and modifications, in the range of these changes and improvements both fall within claimed this utility model.This utility model
Claimed scope is defined by appending claims and equivalent thereof.
Claims (4)
1. a three-phase small-sized active-part on-load-tap-changing auto device, it is characterised in that: mutual by autotransformer, load ratio bridging switch, electric current
Sensor, intelligent capacitor, controller and communication module collectively constitute, and described autotransformer includes series excitation winding, shunt connection of excitation wind
With control winding, wherein said series excitation winding is configured to multiple tap and accesses the different contacts of load ratio bridging switch, with
By changeover contact regulation autotransformer no-load voltage ratio change its output voltage, shunt connection of excitation wind be autotransformer public around
Group, controlling winding provides working power and sampled signal for controller, and described autotransformer is connected with current transformer, institute
Stating current transformer to be simultaneously connected with intelligent capacitor and controller, described controller is by the voltage sample being simultaneously connected with single-chip microcomputer
Unit, current sampling unit, PORT COM, control output circuit, data storage circuitry collectively constitute, and described controller is with intelligence
Electric capacity and communication module are simultaneously connected with.
A kind of three-phase small-sized active-part on-load-tap-changing auto device the most according to claim 1, it is characterised in that: described loaded tap-off is opened
Close as three-phase end voltage regulating loading tap changer.
A kind of three-phase small-sized active-part on-load-tap-changing auto device the most according to claim 1, it is characterised in that: described loaded tap-off is opened
The model closed is SYTZZ 10/100-9.
A kind of three-phase small-sized active-part on-load-tap-changing auto device the most according to claim 1, it is characterised in that: described communication module is
Wireless communication module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620608146.9U CN205724907U (en) | 2016-06-20 | 2016-06-20 | A kind of three-phase small-sized active-part on-load-tap-changing auto device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620608146.9U CN205724907U (en) | 2016-06-20 | 2016-06-20 | A kind of three-phase small-sized active-part on-load-tap-changing auto device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205724907U true CN205724907U (en) | 2016-11-23 |
Family
ID=57315092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620608146.9U Expired - Fee Related CN205724907U (en) | 2016-06-20 | 2016-06-20 | A kind of three-phase small-sized active-part on-load-tap-changing auto device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205724907U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107959295A (en) * | 2017-11-24 | 2018-04-24 | 国网北京市电力公司 | Circuit regulator |
-
2016
- 2016-06-20 CN CN201620608146.9U patent/CN205724907U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107959295A (en) * | 2017-11-24 | 2018-04-24 | 国网北京市电力公司 | Circuit regulator |
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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: 20161123 Termination date: 20200620 |