CN104466973B - A kind of automatic pressure regulating device - Google Patents
A kind of automatic pressure regulating device Download PDFInfo
- Publication number
- CN104466973B CN104466973B CN201410812120.1A CN201410812120A CN104466973B CN 104466973 B CN104466973 B CN 104466973B CN 201410812120 A CN201410812120 A CN 201410812120A CN 104466973 B CN104466973 B CN 104466973B
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- Prior art keywords
- controller
- magnet controlled
- controlled reactor
- winding
- control unit
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 18
- 238000004804 winding Methods 0.000 claims description 41
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 23
- 229910052710 silicon Inorganic materials 0.000 claims description 23
- 239000010703 silicon Substances 0.000 claims description 23
- 230000005611 electricity Effects 0.000 claims description 3
- 230000033228 biological regulation Effects 0.000 description 5
- 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
- 239000013307 optical fiber Substances 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
- 230000006698 induction Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 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
-
- 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)
- Control Of Electrical Variables (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses a kind of automatic pressure regulating device, including voltage transformer, the first current transformer, magnet controlled reactor control unit, the first controller and fixed reactive power compensator;The magnet controlled reactor control unit includes magnet controlled reactor, the second current transformer and second controller;Wherein, the control angle signal that the current signal and the first controller that described second controller sends according to the second current transformer send is controlled come the conducting state to two controllable silicons in magnet controlled reactor control unit, and then adjusts the reactive power of circuit.The present invention realizes dynamic step-less adjustment reactive capability, and without switching capacitance, and capacity regulating scope is big.
Description
Technical field
The present invention relates to a kind of automatic pressure regulating device, more particularly to a kind of automatic tune of reactive power dynamic continuously adjustabe
Pressure device.
Background technology
At present, solve voltage and the traditional approach of idle problem is mainly switched capacitor group, reactor and on-load voltage regulation.
But idle and active in power network is continually changing, excessive and deficiency all will to power network and equipment, the quality of power supply and
Loss cause to have a strong impact on, particularly idle change directly affects line voltage and loss, in order to maintenance voltage stabilization and
Reduce loss is, it is necessary to according to the change of electric network reactive-load, packet puts into or excision capacitor bank and reactor, but this regulation is to jump
Jump formula, it is impossible to which smooth regulation is idle.
The content of the invention
Present invention aim to overcome that the deficiency of prior art, there is provided a kind of automatic pressure regulating device, it can be dynamically stepless
Regulation reactive capability, without switching capacitance, and capacity regulating scope is big.
The technical solution adopted for the present invention to solve the technical problems is:A kind of automatic pressure regulating device, including mutual induction of voltage
Device, the first current transformer, magnet controlled reactor control unit, the first controller and fixed reactive power compensator;
The voltage transformer and the first current transformer are connected to the high-pressure side of power network, and the power network that will be collected respectively is high
Press the voltage signal and current signal transfer of side to the input of the first controller;
The magnet controlled reactor control unit is connected with the high-pressure side of power network, and the magnet controlled reactor control unit includes magnetic
Control reactor, the second current transformer and second controller;
The magnet controlled reactor includes two symmetrically arranged first core limbs and the second core limb, and described first is unshakable in one's determination
The first winding and the second winding with tap are wound with post, the tertiary winding with tap and the 4th are wound with second core limb
Winding;First winding and the second winding, the tertiary winding and the 4th winding are arranged in parallel again after being connected in series respectively, wherein,
One diode of series connection, tap and the 4th winding in the first winding between the tail end of the first winding and the tail end of the tertiary winding
Tap between connect first controllable silicon, between the tap of the second winding and the tap of the tertiary winding connect one second
Controllable silicon;
Second current transformer is connected with magnet controlled reactor, by the current signal transfer on magnet controlled reactor to second
Controller;The second controller respectively with magnet controlled reactor in the first controllable silicon control end and the second controllable silicon control
End is connected, two conducting states of controllable silicon in the second controller control magnet controlled reactor;
The output end of first controller is connected with the second controller in magnet controlled reactor control unit, for sending
Control angle signal to second controller;
Described one end of fixed reactive power compensator is connected with the high-pressure side of power network, other end ground connection;
Wherein, the current signal and the first controller that described second controller sends according to the second current transformer send
Control angle signal the first controllable silicon and the conducting state of the second controllable silicon in magnet controlled reactor control unit controlled
System, and then adjust the reactive power of circuit.
Preferably, the automatic pressure regulating device device includes three groups of magnet controlled reactor control units, respectively A phases magnetic control electricity
Anti- device control unit, B phase magnet controlled reactor control units and C phase magnet controlled reactor control units;Three groups of described magnetic control reactance
Second controller in device control unit is connected with first controller;The A phases magnet controlled reactor control unit, B phases
Magnet controlled reactor control unit and C phase magnet controlled reactor control units are connected using triangle manner.
Preferably, first controller is connected by optical fiber with the second controller.
Preferably, the fixed reactive power compensator is followed in series to form by electric capacity, resistance, inductance.
The beneficial effects of the invention are as follows:
1st, the automatic pressure regulating device reactive capability is big, low, small volume is lost, maintenance is easily installed;
2nd, dynamic step-less adjustment reactive capability, without switching capacitance, reactive capability adjustable range is big;
3rd, it is safe and reliable to operation, non-maintaining, unattended, adapt to adverse circumstances and use;
4th, overload capacity is strong:Can short-time overload 150%
5th, the output of high-quality reactive current, electric current no-harmonic wave pollution.
The present invention is described in further detail below in conjunction with drawings and Examples;But a kind of automatic Regulation dress of the invention
Put and be not limited to embodiment.
Brief description of the drawings
Fig. 1 is functional block diagram of the invention;
Fig. 2 is circuit structure diagram of the invention.
Specific embodiment
Embodiment
It is shown in Figure 1, a kind of automatic pressure regulating device of the invention, including voltage transformer 10, the first current transformer
20th, magnet controlled reactor control unit 30, the first controller 40 and fixed reactive power compensator 50;
The current transformer 20 of the voltage transformer 10 and first is connected to the high-pressure side of power network, the electricity that will be collected respectively
Net the input of on high-tension side voltage signal and current signal transfer to the first controller 40;
The magnet controlled reactor control unit 30 is connected with the high-pressure side of power network, and the magnet controlled reactor control unit 30 is wrapped
Include magnet controlled reactor 301, the second current transformer 302 and second controller 303;
The magnet controlled reactor 301 includes two symmetrically arranged first core limbs and the second core limb, described first
The first winding and the second winding with tap are wound with core limb, be wound with second core limb tertiary winding with tap and
4th winding;First winding and the second winding, the tertiary winding and the 4th winding are arranged in parallel again after being connected in series respectively, its
In, a diode of being connected between the tail end of the first winding and the tail end of the tertiary winding, in the tap of the first winding and the 4th
Connect the first controllable silicon T1 between the tap of winding, is connected one second between the tap of the second winding and the tap of the tertiary winding
Controllable silicon T2;
Second current transformer 302 is connected with magnet controlled reactor 301, by the current signal on magnet controlled reactor 301
Transmit to second controller 303;The second controller 303 respectively with magnet controlled reactor 301 in the first controllable silicon T1 control
End processed is connected with the control end of the second controllable silicon T2, the first controllable silicon T1's and the second controllable silicon T2 in control magnet controlled reactor
Conducting state;
The output end of first controller 40 is connected with the second controller 303 in magnet controlled reactor control unit 30,
For sending control angle signal to second controller;
Described one end of fixed reactive power compensator 50 is connected with the high-pressure side of power network, other end ground connection;
Wherein, current signal and the first control that described second controller 303 sends according to the second current transformer 302
The control angle signal that device 40 sends comes to the first controllable silicon T1's in magnet controlled reactor control unit 30 and the second controllable silicon T2
Conducting state is controlled, and then adjusts the reactive power of circuit.
Further, the automatic pressure regulating device device includes three groups of magnet controlled reactor control units, respectively A phases magnetic
Control reactor control unit, B phase magnet controlled reactor control units and C phase magnet controlled reactor control units;Three groups of described magnetic controls
Second controller in reactor control unit is connected with first controller;The A phases magnet controlled reactor control unit,
B phase magnet controlled reactor control units and C phase magnet controlled reactor control units are connected using triangle manner.
Further, first controller 40 is connected by optical fiber with the second controller 303.
Further, the fixed 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 invention, but the invention is not limited in
Embodiment, every any simple modification, equivalent variations and modification made to above example according to technical spirit of the invention,
Each fall within the protection domain of technical solution of the present invention.
Claims (4)
1. a kind of automatic pressure regulating device, it is characterised in that including voltage transformer, the first current transformer, magnet controlled reactor control
Unit processed, the first controller and fixed reactive power compensator;
The voltage transformer and the first current transformer are connected to the high-pressure side of power network, the power network high-pressure side that will be collected respectively
Voltage signal and current signal transfer to the first controller input;
The magnet controlled reactor control unit is connected with the high-pressure side of power network, and the magnet controlled reactor control unit includes magnetic control electricity
Anti- device, the second current transformer and second controller;
The magnet controlled reactor includes two symmetrically arranged first core limbs and the second core limb, on the first described core limb
Be wound with the first winding and the second winding with tap, be wound with second core limb tertiary winding with tap and the 4th around
Group;First winding and the second winding, the tertiary winding and the 4th winding are arranged in parallel again after being connected in series respectively, wherein,
Connected between the tail end of the first winding and the tail end of the tertiary winding diode, tap and the 4th winding in the first winding
One the first controllable silicon of series connection between tap, series connection one second can between the tap of the second winding and the tap of the tertiary winding
Control silicon;
Second current transformer is connected with magnet controlled reactor, by the current signal transfer on magnet controlled reactor to the second control
Device;The second controller respectively with magnet controlled reactor in the first controllable silicon control end and the control end phase of the second controllable silicon
Even, the conducting state of the first controllable silicon and the second controllable silicon in second controller control magnet controlled reactor is told;
The output end of first controller is connected with the second controller in magnet controlled reactor control unit, for sending control
Angle signal is to second controller;
Described one end of fixed reactive power compensator is connected with the high-pressure side of power network, other end ground connection;
Wherein, the control that the current signal and the first controller that described second controller sends according to the second current transformer send
Angle signal processed is controlled to the first controllable silicon and the conducting state of the second controllable silicon in magnet controlled reactor control unit, enters
And adjust the reactive power of circuit.
2. a kind of automatic pressure regulating device according to claim 1, it is characterised in that:The automatic pressure regulating device includes three groups
Magnet controlled reactor control unit, respectively A phases magnet controlled reactor control unit, B phase magnet controlled reactor control units and C phase magnetic controls
Reactor control unit;Second controller in three groups of described magnet controlled reactor control units with the first controller phase
Even;The A phases magnet controlled reactor control unit, B phase magnet controlled reactor control units and C phase magnet controlled reactors control unit are used
Triangle manner is connected.
3. a kind of automatic pressure regulating device according to claim 1 and 2, it is characterised in that:First controller passes through light
It is fine to be connected with the second controller.
4. a kind of automatic pressure regulating device according to claim 1 and 2, it is characterised in that:The fixed reactive power compensator
It is followed in series to form by electric capacity, resistance, inductance.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201410812120.1A CN104466973B (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 |
---|---|---|---|
CN201410812120.1A CN104466973B (en) | 2014-12-23 | 2014-12-23 | A kind of automatic pressure regulating device |
Publications (2)
Publication Number | Publication Date |
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CN104466973A CN104466973A (en) | 2015-03-25 |
CN104466973B true CN104466973B (en) | 2017-06-16 |
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CN201410812120.1A Active CN104466973B (en) | 2014-12-23 | 2014-12-23 | A kind of automatic pressure regulating device |
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Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN2671200Y (en) * | 2003-08-18 | 2005-01-12 | 深圳市威尔辰电力电子科技有限公司 | Magnetic valve reactance dynamic thysitor reactive compensator |
EP2759044A4 (en) * | 2011-09-23 | 2015-10-21 | Bonifacio J Eyales | Electromagnetic energy-flux reactor |
CN203243056U (en) * | 2013-05-30 | 2013-10-16 | 广东电网公司江门供电局 | High/middle-voltage reactive compensation composite structure |
CN204012724U (en) * | 2014-06-19 | 2014-12-10 | 国网山西省电力公司电力科学研究院 | A kind of static dynamic no-power compensation device of self adaptation governing response speed |
CN204243767U (en) * | 2014-12-23 | 2015-04-01 | 国家电网公司 | A kind of automatic pressure regulating device |
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