CN204243767U - A kind of automatic pressure regulating device - Google Patents
A kind of automatic pressure regulating device Download PDFInfo
- Publication number
- CN204243767U CN204243767U CN201420827734.2U CN201420827734U CN204243767U CN 204243767 U CN204243767 U CN 204243767U CN 201420827734 U CN201420827734 U CN 201420827734U CN 204243767 U CN204243767 U CN 204243767U
- Authority
- CN
- China
- Prior art keywords
- controlled reactor
- controller
- magnet controlled
- winding
- control unit
- 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.)
- Withdrawn - After Issue
Links
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 24
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 24
- 239000010703 silicon Substances 0.000 claims abstract description 24
- 238000004804 winding Methods 0.000 claims description 42
- 239000013307 optical fiber Substances 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Classifications
-
- 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
- Control Of Electrical Variables (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The utility model discloses a kind of automatic pressure regulating device, comprise voltage transformer, the first current transformer, magnet controlled reactor control unit, the first controller and fixing reactive power compensator; Described magnet controlled reactor control unit comprises magnet controlled reactor, the second current transformer and second controller; Wherein, the current signal that described second controller sends according to the second current transformer and the pilot angle signal that the first controller sends control the silicon controlled conducting state of two in magnet controlled reactor control unit, and then the reactive power of regulating circuit.The utility model achieves dynamic step-less adjustment reactive capability, and without the need to switching capacitance, and capacity regulating scope is large.
Description
Technical field
The utility model relates to a kind of automatic pressure regulating device, particularly relates to the dynamic continuously adjustable automatic pressure regulating device of a kind of reactive power.
Background technology
At present, traditional approach mainly opening-closing capacitor bank, reactor and the on-load voltage regulation of voltage and idle problem is solved.But idle and meritorious in electrical network is constantly change, excessive and deficiency all will cause electrical network and equipment, the quality of power supply and loss and have a strong impact on, particularly idle change directly affects line voltage and loss, stablizing and reducing the wastage in order to ME for maintenance, need the change according to electric network reactive-load, grouping drops into or excises Capacitor banks and reactor, but this adjustment is great-jump-forward, and adjustment that can not be level and smooth is idle.
Utility model content
The utility model object is the deficiency overcoming prior art, provides a kind of automatic pressure regulating device, and it can dynamic step-less adjustment reactive capability, and without the need to switching capacitance, and capacity regulating scope is large.
The utility model solves the technical scheme that its technical problem adopts: a kind of automatic pressure regulating device, comprises voltage transformer, the first current transformer, magnet controlled reactor control unit, the first controller and fixing reactive power compensator;
Described voltage transformer and the first current transformer are connected to the high-pressure side of electrical network, respectively by the input of the on high-tension side voltage signal of electrical network that collects and current signal transfer to the first controller;
Described magnet controlled reactor control unit is connected with the high-pressure side of electrical network, and described magnet controlled reactor control unit comprises magnet controlled reactor, the second current transformer and second controller;
Described magnet controlled reactor comprises two symmetrically arranged first core limbs and the second core limb, the first described core limb is wound with the first winding and second winding of band tap, described second core limb is wound with the tertiary winding and the 4th winding of band tap; Be arranged in parallel again after described first winding and the second winding, the tertiary winding and the 4th winding are connected in series respectively, wherein, a series connection diode between the tail end and the tail end of the tertiary winding of the first winding, series connection first controllable silicon between the tap and the tap of the 4th winding of the first winding, second controllable silicon of connecting between the tap and the tap of the tertiary winding of the second winding;
Described second current transformer is connected with magnet controlled reactor, by the current signal transfer on magnet controlled reactor to second controller; Described second controller is connected with the second silicon controlled control end with the first silicon controlled control end in magnet controlled reactor respectively, and described second controller controls two silicon controlled conducting states in magnet controlled reactor;
The output of described first controller is connected with the second controller in magnet controlled reactor control unit, for sending pilot angle signal to second controller;
Described one end of fixing reactive power compensator is connected with the high-pressure side of electrical network, other end ground connection;
Wherein, the current signal that described second controller sends according to the second current transformer and the pilot angle signal that the first controller sends control the first controllable silicon in magnet controlled reactor control unit and the second silicon controlled conducting state, and then the reactive power of regulating circuit.
Preferably, described automatic pressure regulating device device comprises three groups of magnet controlled reactor control units, is respectively A phase magnet controlled reactor control unit, B phase magnet controlled reactor control unit and C phase magnet controlled reactor control unit; Second controller in three groups of described magnet controlled reactor control units is all connected with described first controller; Described A phase magnet controlled reactor control unit, B phase magnet controlled reactor control unit and C phase magnet controlled reactor control unit adopt triangle manner to be connected.
Preferably, described first controller is connected with described second controller by optical fiber.
Preferably, described fixing reactive power compensator is followed in series to form by electric capacity, resistance, inductance.
The beneficial effects of the utility model are:
1, this automatic pressure regulating device reactive capability is large, loss is low, volume is little, be convenient to installation and maintenance;
2, dynamic step-less adjustment reactive capability, without the need to switching capacitance, reactive capability adjustable range is large;
3, safe and reliable to operation, non-maintaining, unattended operation, adapts to adverse circumstances and uses;
4, overload capacity is strong: can short-time overload 150%
5, high-quality reactive current exports, electric current no-harmonic wave pollution.
Below in conjunction with drawings and Examples, the utility model is described in further detail; But a kind of automatic pressure regulating device of the present utility model is not limited to embodiment.
Accompanying drawing explanation
Fig. 1 is functional block diagram of the present utility model;
Fig. 2 is circuit structure diagram of the present utility model.
Embodiment
Embodiment
Shown in Figure 1, a kind of automatic pressure regulating device of the present utility model, comprises voltage transformer 10, first current transformer 20, magnet controlled reactor control unit 30, first controller 40 and fixing reactive power compensator 50;
Described voltage transformer 10 and the first current transformer 20 are connected to the high-pressure side of electrical network, respectively by the input of the on high-tension side voltage signal of electrical network that collects and current signal transfer to the first controller 40;
Described magnet controlled reactor control unit 30 is connected with the high-pressure side of electrical network, and described magnet controlled reactor control unit 30 comprises magnet controlled reactor 301, second current transformer 302 and second controller 303;
Described magnet controlled reactor 301 comprises two symmetrically arranged first core limbs and the second core limb, the first described core limb is wound with the first winding and second winding of band tap, described second core limb is wound with the tertiary winding and the 4th winding of band tap; Be arranged in parallel again after described first winding and the second winding, the tertiary winding and the 4th winding are connected in series respectively, wherein, a series connection diode between the tail end and the tail end of the tertiary winding of the first winding, connect the first controllable silicon T1 between the tap and the tap of the 4th winding of the first winding, and connect between the tap of the second winding and the tap of the tertiary winding a second controllable silicon T2;
Described second current transformer 302 is connected with magnet controlled reactor 301, by the current signal transfer on magnet controlled reactor 301 to second controller 303; Described second controller 303 is connected with the control end of the second controllable silicon T2 with the control end of the first controllable silicon T1 in magnet controlled reactor 301 respectively, the first controllable silicon T1 in control magnet controlled reactor and the conducting state of the second controllable silicon T2;
The described output of the first controller 40 is connected with the second controller 303 in magnet controlled reactor control unit 30, for sending pilot angle signal to second controller;
Described one end of fixing reactive power compensator 50 is connected with the high-pressure side of electrical network, other end ground connection;
Wherein, the current signal that described second controller 303 sends according to the second current transformer 302 and the conducting state of pilot angle signal to the first controllable silicon T1 in magnet controlled reactor control unit 30 and the second controllable silicon T2 that the first controller 40 sends control, and then the reactive power of regulating circuit.
Further, described automatic pressure regulating device device comprises three groups of magnet controlled reactor control units, is respectively A phase magnet controlled reactor control unit, B phase magnet controlled reactor control unit and C phase magnet controlled reactor control unit; Second controller in three groups of described magnet controlled reactor control units is all connected with described first controller; Described A phase magnet controlled reactor control unit, B phase magnet controlled reactor control unit and C phase magnet controlled reactor control unit adopt triangle manner to be connected.
Further, described first controller 40 is connected with described second controller 303 by optical fiber.
Further, described fixing reactive power compensator 50 is followed in series to form by electric capacity, resistance, inductance.
Above-described embodiment is only used for further illustrating a kind of automatic pressure regulating device of the present utility model; but the utility model is not limited to embodiment; every above embodiment is done according to technical spirit of the present utility model any simple modification, equivalent variations and modification, all fall in the protection range of technical solutions of the utility model.
Claims (4)
1. an automatic pressure regulating device, is characterized in that, comprises voltage transformer, the first current transformer, magnet controlled reactor control unit, the first controller and fixing reactive power compensator;
Described voltage transformer and the first current transformer are connected to the high-pressure side of electrical network, respectively by the input of the on high-tension side voltage signal of electrical network that collects and current signal transfer to the first controller;
Described magnet controlled reactor control unit is connected with the high-pressure side of electrical network, and described magnet controlled reactor control unit comprises magnet controlled reactor, the second current transformer and second controller;
Described magnet controlled reactor comprises two symmetrically arranged first core limbs and the second core limb, the first described core limb is wound with the first winding and second winding of band tap, described second core limb is wound with the tertiary winding and the 4th winding of band tap; Be arranged in parallel again after described first winding and the second winding, the tertiary winding and the 4th winding are connected in series respectively, wherein, a series connection diode between the tail end and the tail end of the tertiary winding of the first winding, series connection first controllable silicon between the tap and the tap of the 4th winding of the first winding, second controllable silicon of connecting between the tap and the tap of the tertiary winding of the second winding;
Described second current transformer is connected with magnet controlled reactor, by the current signal transfer on magnet controlled reactor to second controller; Described second controller is connected with the second silicon controlled control end with the first silicon controlled control end in magnet controlled reactor respectively, tell second controller and control the first controllable silicon in magnet controlled reactor and the second silicon controlled conducting state;
The output of described first controller is connected with the second controller in magnet controlled reactor control unit, for sending pilot angle signal to second controller;
Described one end of fixing reactive power compensator is connected with the high-pressure side of electrical network, other end ground connection;
Wherein, the current signal that described second controller sends according to the second current transformer and the pilot angle signal that the first controller sends control the first controllable silicon in magnet controlled reactor control unit and the second silicon controlled conducting state, and then the reactive power of regulating circuit.
2. a kind of automatic pressure regulating device according to claim 1, it is characterized in that: described automatic pressure regulating device comprises three groups of magnet controlled reactor control units, be respectively A phase magnet controlled reactor control unit, B phase magnet controlled reactor control unit and C phase magnet controlled reactor control unit; Second controller in three groups of described magnet controlled reactor control units is all connected with described first controller; Described A phase magnet controlled reactor control unit, B phase magnet controlled reactor control unit and C phase magnet controlled reactor control unit adopt triangle manner to be connected.
3. a kind of automatic pressure regulating device according to claim 1 and 2, is characterized in that: described first controller is connected with described second controller by optical fiber.
4. a kind of automatic pressure regulating device according to claim 1 and 2, is characterized in that: described fixing reactive power compensator is followed in series to form by electric capacity, resistance, inductance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420827734.2U CN204243767U (en) | 2014-12-23 | 2014-12-23 | A kind of automatic pressure regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420827734.2U CN204243767U (en) | 2014-12-23 | 2014-12-23 | A kind of automatic pressure regulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204243767U true CN204243767U (en) | 2015-04-01 |
Family
ID=52773213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420827734.2U Withdrawn - After Issue CN204243767U (en) | 2014-12-23 | 2014-12-23 | A kind of automatic pressure regulating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204243767U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104466973A (en) * | 2014-12-23 | 2015-03-25 | 国家电网公司 | Automatic voltage regulating device |
-
2014
- 2014-12-23 CN CN201420827734.2U patent/CN204243767U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104466973A (en) * | 2014-12-23 | 2015-03-25 | 国家电网公司 | Automatic voltage regulating device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150401 Effective date of abandoning: 20170616 |