CN1900873A - Single winding self saturation reactor current stabilizing control device and method - Google Patents
Single winding self saturation reactor current stabilizing control device and method Download PDFInfo
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- CN1900873A CN1900873A CN 200610021037 CN200610021037A CN1900873A CN 1900873 A CN1900873 A CN 1900873A CN 200610021037 CN200610021037 CN 200610021037 CN 200610021037 A CN200610021037 A CN 200610021037A CN 1900873 A CN1900873 A CN 1900873A
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- 238000004804 winding Methods 0.000 title claims abstract description 139
- 230000000087 stabilizing effect Effects 0.000 title claims description 22
- 238000000034 method Methods 0.000 title claims description 13
- 238000009499 grossing Methods 0.000 claims abstract description 71
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000004907 flux Effects 0.000 claims description 5
- 239000004411 aluminium Substances 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 230000005764 inhibitory process Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000006641 stabilisation Effects 0.000 description 11
- 238000011105 stabilization Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002964 excitative effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
Specifically, the invention is related to steady flow control equipment and system of secondary single winding type self-saturation reactor in rectifier transformer self-saturation reactor. The equipment is composed of smoothing reactor; control power source, offset power source, resistor, and a secondary winding of reactor. Beneficial result is: (1) running current of control power source is reduced to maximum 10A from maximum 30A, and running current of offset power source is reduced to maximum 6A from maximum 20A, so as to reduce power loss of steady flow system; (2) secondary winding of self-saturation reactor becomes one as operation and two as backup from original two as operations and one as backup so as to increase capability of online backup, and application area of secondary winding; (3) operation of the steady flow is reliable, and easy of control; (4) the invention is suitable to renovating steady flow system of reactor with two more windings of self-saturation reactor.
Description
Technical field
The present invention relates to a kind of current stabilization control system of aluminium electrolysis commutator electric power system, specifically relate to a kind of rectifier transformer autotransducer secondary single winding self saturation reactor current stabilizing control device and method.
Background technology
At present, aluminium electrolysis commutator power supply current stabilization technology is to have at existing rectifier transformer autotransducer secondary to carry out current stabilization control on 2-3 the winding, and its current stabilization mechanism is:
(1) three winding is respectively that function is that the main winding-control winding, the function that are used for dynamic current stabilization control is that skew winding and the function that is used to the high-pressure work point that improves the high pressure range of autotransducer and determine this reactor is to be used for the standby winding that serial total current current stabilization is controlled.(2) control winding, skew winding and standby winding technique are on same iron core, respectively independently.The control winding oppositely is connected with the direction of current of skew winding, by changing the iron core flow direction and the size of reactor, changes the dynamic reactance value of autotransducer and realizes the continuous voltage adjustment.Control winding and skew winding do not have the contact of electricity on current path, be the contact of magnetic potential.(3) running current of control winding is at 0-30A, and the running current of skew winding is at 0-20A.Control and drift current are big in the prior art, be generally 20A-30A, and power attenuation are big, and the autotransducer Secondary Winding is that 2 usefulness 1 are equipped with obviously deficiency.
Summary of the invention
The problem to be solved in the present invention is at control in the prior art, skew working current big (20A-30A), deficiency such as power attenuation is big, autotransducer Secondary Winding 2 usefulness 1 are equipped with, and provides a kind of autotransducer that relies on single winding to change the dynamic reactance realization voltage continuously adjustable single winding self saturation reactor current stabilizing control device and the method for reactor.
Single winding self saturation reactor current stabilizing control method of the present invention is achieved by following technical proposals: single winding self saturation reactor current stabilizing control device of the present invention and method comprise that smoothing reactor, control supply unit, offset power, resistor and a reactor Secondary Winding constitute
First: smoothing reactor L1, L2 are used to isolate the pulse high-voltage that coupling produces from self-saturation reactance dynamic magnetic, reduce the dielectric level of secondary circuits such as control supply unit, offset power;
Second: smoothing reactor L1, L2, resistor R 1, resistor R 2, resistor R 3 and R4, resistor R 5 and R6 minimizing and inhibition control supply unit and offset power are because of disturbing mutually that two electromotive force interact and produce;
The 3rd: smoothing reactor winding L 1 and L2 are A, B two posts, and A, B post be 2 coils of coiling equal turn numbers respectively, and promptly smoothing reactor winding L 1 or L2 amount to 4 coils;
The 4th: the reactor Secondary Winding is the autotransducer Secondary Winding of single winding, with control supply unit, offset power, resistor R 1, resistor R 2, resistor R 3 and R4, resistor R 5 and R6, smoothing reactor winding L 1, the smoothing reactor winding L 2 common single winding self saturation reactor current stabilizing control system of being made up of control loop and skew loop.
Single winding self saturation reactor current stabilizing control device of the present invention and method compared with prior art have following beneficial effect: the present invention sets up and has counted 4 coil smoothing reactors, can isolate the pulse high-voltage that coupling produces from self-saturation reactance dynamic magnetic, (general pulse voltage can reach about 2-5KV, reduce operating personnel behind the dielectric level can near and contact arrangement) improved the safe reliability of secondary control loops such as control supply unit and offset power, guaranteed equipment and personal security; Reduce control and offset power simultaneously because of disturbing mutually that two electromotive force interact and produce, improved precision of steady current.The Control current by autotransducer and the stack of drift current with subtract each other the dynamic reactance that changes autotransducer, thereby realize the adjustment of voltage, reach the purpose of current stabilization.Current stabilization is controlled its advantage and is implemented according to the invention:
(1) control supply unit running current is reduced to maximum 10A by original maximum 30A, and the output of offset power running current is reduced to maximum 6AA by original maximum 20A, has reduced the power attenuation of steady flow system.
(2) the autotransducer Secondary Winding is equipped with by 2 original usefulness 1, becomes 1 usefulness 2 and is equipped with, and has improved the online marginal capacity of winding of autotransducer, has increased the Secondary Winding range of application of autotransducer simultaneously.
(3) single winding self saturation reactor current stabilizing control method steady flow system of the present invention is reliable, is easy to control; For further implementing digital high-accuracy steady-flow, enterprise provides hardware foundation simultaneously.
(4) the present invention is applicable to the transformation of the reactor current stabilizing system of 2 above autotransducer windings.
Description of drawings
Single winding self saturation reactor current stabilizing control method of the present invention has following accompanying drawing:
Fig. 1 is the above autotransducer line construction synoptic diagram of prior art secondary 2 windings;
Fig. 2 is a single winding self saturation reactor line construction synoptic diagram of the present invention.
Wherein: 1, be smoothing reactor 18 winding 1A input ends; 2, be smoothing reactor 18 winding 1A output terminals; 3, be smoothing reactor 18 winding 2B input ends; 4, be smoothing reactor 18 winding 2B output terminals; 5, smoothing reactor 18 winding 3A input ends; 6, smoothing reactor 18 winding 3A output terminals; 7, be smoothing reactor 18 winding 4B input ends; 8, be smoothing reactor 18 winding 4B output terminals; 9, be smoothing reactor 19 winding 1A input ends; 10, be smoothing reactor 19 winding 1A output terminals; 11, be smoothing reactor 19 winding 2B input ends; 12, be smoothing reactor 19 winding 2B output terminals; 13, smoothing reactor 19 winding 3A input ends; 14, be smoothing reactor 19 winding 3A output terminals; 15, be smoothing reactor 19 winding 4B input ends; 16, be smoothing reactor 19 winding 4B output terminals; 17, be reactor secondary control winding; 18, be smoothing reactor L1; 19, be smoothing reactor L2; 21, be the control supply unit; 22, be offset power; 31, resistor R 1; 32, be resistor R 2; 33, be resistor R 3; 34, be resistor R 4; 35, be resistor R 5; 36, be resistor R 6.
Embodiment
Below in conjunction with drawings and Examples single winding self saturation reactor current stabilizing control device of the present invention and method and technology scheme are further described.
As shown in Figure 2, single winding self saturation reactor current stabilizing control device of the present invention comprises that smoothing reactor 18,19, control supply unit 21, offset power 22 and a reactor Secondary Winding 17 constitute, and described single self saturation reactor current stabilizing control device comprises:
First: smoothing reactor 19,20 is used to isolate the pulse high-voltage that coupling produces from self-saturation reactance dynamic magnetic, adapts to the insulating requirements of secondary circuits such as control supply unit 21, offset power 22;
Second: smoothing reactor 18,19, resistor R 131, resistor R 232, resistor R 333 and resistor R 434, resistor R 535 and resistor R 636 minimizings and inhibition control supply unit 21 and offset power 22 are because of disturbing mutually that two electromotive force interact and produce;
The 3rd: smoothing reactor winding 18 and 19 is A, B two posts, and A, B post be 2 coils of coiling equal turn numbers respectively, and promptly smoothing reactor winding 18 or 19 amounts to 4 coils;
The 4th: reactor Secondary Winding 17 is the autotransducer Secondary Winding of single winding, with control supply unit 21, offset power 22, resistor R 131, resistor R 232, resistor R 333 and resistor R 434, resistor R 535 and resistor R 636, smoothing reactor winding 18, the smoothing reactor winding 19 common single winding self saturation reactor current stabilizing control system of being made up of control loop and skew loop.
Described single winding self saturation reactor current stabilizing control loop comprises, first: control supply unit 21 positive electrical stream by resistor R 131, smoothing reactor 18 winding 1A 1 and 2, smoothing reactor 18 winding 2B 3 and 4, reactor secondary control winding 17, smoothing reactor 19 winding 2B 12 and 11, smoothing reactor 19 winding 1A 10 and 9, resistor R 232 gets back to control supply unit 21 negative poles, forms the Control current loop;
Second: offset power 22 positive electrical stream by resistor R 535 and resistor R 636, smoothing reactor 19 winding 4B 16 and 15, smoothing reactor 19 winding 3A 14 and 13, reactor secondary control winding 17, smoothing reactor 18 winding 3A 5 and 6, smoothing reactor 18 winding 4B 7 and 8, resistor R 333 and resistor R 434 get back to offset power 22 negative poles, forms the drift current loop.
Described control supply unit 21 and offset power 22, at different respectively electric currents the drift current and the Control current acting in conjunction that produce under the operating mode are set and control winding 17 in the reactor secondary, stack of two groups of current parallels or parallel connection are subtracted each other, change the electric current that flows through reactor secondary control winding 17, thereby change the exciting current of reactor secondary control winding 17 and the magnetic flux in the iron core, obtain the variation of autotransducer reactance amount, carry out the continuous voltage thin tuning of autotransducer according to the Rectification Power Factor actual operation parameters, realize the high-accuracy steady-flow control of electrolytic aluminium fairing.
Described smoothing reactor 11,12 is 4 coil ribbon core reactors, and the unicoil inductance value is 93mH, and resistor 31～36R1～R6 resistance is 1.7 Ω, and power is 150w; Control loop maximum operating currenbt 10A; Skew loop maximum operating currenbt 6A.
Embodiment 1.
Changing 2 windings control windings of existing rectifier transformer autotransducer secondary and skew winding into single winding is reactor secondary control winding 17, implements according to following technical scheme:
The first step: cancel the control supply unit of original steady flow system and being connected of autotransducer secondary control winding, cancel the offset power of original steady flow system and being connected of autotransducer double offset winding
Second step: make smoothing reactor 18 and 19, smoothing reactor winding 18 and 19 is A, B two posts, and A, B post be 2 coils of coiling equal turn numbers respectively, and promptly smoothing reactor winding 18 or 19 amounts to 4 coils; The unicoil inductance value is 93mH.
The 3rd: select power resistor 31～36R1-R6 parameter to be: resistance value 1.7 Ω, power are 150W, amount to 6.
The 4th step:, implement major loop and connect according to single winding self saturation reactor current stabilizing control main wiring diagram.
The 5th step: the current path of control supply unit is determined
The 6th step: the current path of offset power is determined
The 7th step: control supply unit 21 and offset power 22 are directly to carry out getting in touch of electric current by being connected lead on the branch road outside, two cover electromotive force be in operation because of acting in conjunction on same reactor secondary control winding 17, the function of current can produce mutually and disturb mutually, influence the electric current of the reactor secondary control winding 17 of flowing through and reduce precision of steady current, adopt resistor R 1～R631～36 and smoothing reactor 18 and 19 to cooperate, finish the source impedance coupling of two cover supply units, eliminate and disturb phenomenon mutually, satisfy the current stabilization technical requirement.
The 8th step: on the loop of offset power, apply the 4.5A DC current, make autotransducer oppositely excitatory, reverse end at the hysteresis characteristic curve of whole autotransducer is determined in the working point of autotransducer, and (any end all can, on autotransducer is just to control or the countercharge mode is decided, this invention is discussed with positive prosecutor formula, is fit to the countercharge mode equally).
The 9th step: the electric current in the loop of control supply unit 21 changes, and is the controlled quentity controlled variable according to the current stabilization regulating system, electric current with the current stabilization setting value in the 0-9A range.In autotransducer secondary control winding 17:
(1) Control current (comprising the self inductance currents that reactor secondary control winding 17 produces by circuit in the control supply unit) and drift current are in the same way the time, drift current is identical with the Control current effect, two groups of power supply stacks in parallel, change and flow through the exciting current of reactor and the magnetic flux in the iron core, obtain the variation of reactor reactance amount, carry out voltage-regulation continuously;
When (2) Control current and drift current were reverse, drift current was opposite with the Control current effect, and two groups of source currents subtract each other, and changed the exciting current of reactor and the magnetic flux in the iron core, obtained the variation of reactor reactance amount, carried out voltage-regulation continuously;
(3) Control current and drift current are got in touch on current path, and the reactor secondary is once getting in touch by magnetic flux of control loop and skew loop and reactor secondary control winding and autotransducer.
Claims (4)
1, a kind of single winding self saturation reactor current stabilizing control device comprises that smoothing reactor (18), (19), control supply unit (21), offset power (22) and a reactor Secondary Winding (17) constitute, and its feature is described to be:
First: smoothing reactor (19), (20) are used to isolate the pulse high-voltage that coupling produces from self-saturation reactance dynamic magnetic, adapt to the insulating requirements of control supply unit (21), offset power secondary circuits such as (22);
Second: smoothing reactor (18), (19), resistor R 1 (31), resistor R 2 (32), resistor R 3 (33) and resistor R 4 (34), resistor R 5 (35) and resistor R 6 (36) minimizings and inhibition control supply unit (21) and offset power (22) are because of disturbing mutually that two electromotive force interact and produce;
The 3rd: smoothing reactor winding (18) and (19) are A, B two posts, and A, B post be 2 coils of coiling equal turn numbers respectively, and promptly smoothing reactor winding (18) or (19) amount to 4 coils;
The 4th: reactor Secondary Winding (17) is the autotransducer Secondary Winding of single winding, with control supply unit (21), offset power (22), resistor R 1 (31), resistor R 2 (32), resistor R 3 (33) and resistor R 4 (34), resistor R 5 (35) and resistor R 6, smoothing reactor winding (18), the common single winding self saturation reactor current stabilizing control system of being made up of control loop and skew loop of smoothing reactor winding (19).
2, single winding self saturation reactor current stabilizing control device according to claim 1, its feature is described to be:
First: control supply unit (21) positive electrical stream is got back to control supply unit (21) negative pole by (1) and (2), (3) and (4), the reactor secondary control winding (17) of smoothing reactor (18) winding 2B, (12) and (11), smoothing reactor (19) winding 1A (10) and (9) of smoothing reactor (19) winding 2B, the resistor R 2 (32) of resistor R 1 (31), smoothing reactor (18) winding 1A, forms the Control current loop;
Second: offset power (22) positive electrical stream is got back to offset power (22) negative pole by resistor R 5 (35) and resistor R 6 (36), (16) and (15), (14) and (13), the reactor secondary control winding (17) of smoothing reactor (19) winding 3A of smoothing reactor (19) winding 4B, (5) and (6) of smoothing reactor (18) winding 3A, (7) and (8), resistor R 3 (33) and the resistor R 4 (34) of smoothing reactor (18) winding 4B, forms the drift current loop.
3, a kind of single winding self saturation reactor current stabilizing control method, it is characterized in that: described control supply unit (21) and offset power (22), at different respectively electric currents the drift current and the Control current acting in conjunction that produce under the operating mode are set and control winding (17) in the reactor secondary, stack of two groups of current parallels or parallel connection are subtracted each other, change the electric current that flows through reactor secondary control winding (17), thereby change the exciting current of reactor secondary control winding (17) and the magnetic flux in the iron core, obtain the variation of autotransducer reactance amount, carry out the continuous voltage thin tuning of autotransducer according to the Rectification Power Factor actual operation parameters, realize the high-accuracy steady-flow control of electrolytic aluminium fairing.
4, single winding self saturation reactor current stabilizing control method according to claim 3, it is characterized in that: described smoothing reactor (18), (19) are 4 coil ribbon core reactors, the unicoil inductance value is 93mH, resistor (31), (32), (33), (34), (35), (36) R1～R6 resistance are 1.7 Ω, and power is 150w; Control loop maximum operating currenbt 10A; Skew loop maximum operating currenbt 6A.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100210378A CN100445919C (en) | 2006-05-24 | 2006-05-24 | Single winding self saturation reactor current stabilizing control device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100210378A CN100445919C (en) | 2006-05-24 | 2006-05-24 | Single winding self saturation reactor current stabilizing control device and method |
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| Publication Number | Publication Date |
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| CN1900873A true CN1900873A (en) | 2007-01-24 |
| CN100445919C CN100445919C (en) | 2008-12-24 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102254709A (en) * | 2011-04-20 | 2011-11-23 | 四川立业电子有限公司 | Device for supplying power by using high-voltage complex transformer |
| CN102936737A (en) * | 2012-11-08 | 2013-02-20 | 国电南瑞科技股份有限公司 | Method for analyzing control characteristics of self-saturation reactor in electrolytic aluminum rectification system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1426893A (en) * | 1973-04-14 | 1976-03-03 | Lepp V R Sibgatulin K M | Current stabilisers |
| US3955131A (en) * | 1975-09-08 | 1976-05-04 | General Electric Company | Circuit for controlling the reverse current in a controlled rectifier |
| CN87216804U (en) * | 1987-12-22 | 1988-12-28 | 地方国营邗江无线电厂 | High voltage and large power continuously adjustable power supplying device capable of supplying constant voltage or constant current |
| CN2669472Y (en) * | 2003-12-29 | 2005-01-05 | 天津市益莱科静电设备工程有限公司 | Automatic control device for power supply rectifier |
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2006
- 2006-05-24 CN CNB2006100210378A patent/CN100445919C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102254709A (en) * | 2011-04-20 | 2011-11-23 | 四川立业电子有限公司 | Device for supplying power by using high-voltage complex transformer |
| CN102936737A (en) * | 2012-11-08 | 2013-02-20 | 国电南瑞科技股份有限公司 | Method for analyzing control characteristics of self-saturation reactor in electrolytic aluminum rectification system |
| CN102936737B (en) * | 2012-11-08 | 2014-12-10 | 国电南瑞科技股份有限公司 | Method for analyzing control characteristics of self-saturation reactor in electrolytic aluminum rectification system |
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| CN100445919C (en) | 2008-12-24 |
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