CN105024601B - The excitation of generator is low to encourage method for limiting and device - Google Patents
The excitation of generator is low to encourage method for limiting and device Download PDFInfo
- Publication number
- CN105024601B CN105024601B CN201410165765.0A CN201410165765A CN105024601B CN 105024601 B CN105024601 B CN 105024601B CN 201410165765 A CN201410165765 A CN 201410165765A CN 105024601 B CN105024601 B CN 105024601B
- Authority
- CN
- China
- Prior art keywords
- generator
- low
- mrow
- gain
- limitation
- 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.)
- Active
Links
- 230000005284 excitation Effects 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000033228 biological regulation Effects 0.000 claims description 7
- 238000012937 correction Methods 0.000 claims description 6
- 230000010355 oscillation Effects 0.000 abstract description 12
- 230000009467 reduction Effects 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 5
- 230000008859 change Effects 0.000 description 7
- 230000005611 electricity Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000003667 anti-reflective effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000009514 concussion Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Control Of Eletrric Generators (AREA)
Abstract
Method for limiting and device are encouraged the invention provides a kind of excitation of generator is low, wherein, this method includes：The low gain for encouraging limitation is adjusted according to generator's power and angle；Carry out that excitation is low encourages limitation to the generator according to the gain after adjustment.The present invention is solved the parameter in the prior art, given tacit consent to using producer and carries out low encourage caused by limitation easily there is the technical problem of system oscillation after actually devoting oneself to work, and has reached reduction system oscillation, the technique effect of the raising stability of a system.
Description
Technical field
The present invention relates to technical field of generators, more particularly to a kind of excitation of generator is low to encourage method for limiting and device.
Background technology
With the progress of excitation con-trol technology, the exciter control system of Modern Large group typically all has multinomial auxiliary work(
Can, it is low encourage limitation (Under Excitation Limiter, UEL) main function be avoid it is excessive by generator unit stator electric current
Caused winding overheat, and the problem of static stability is by destroying when avoiding the generator from run under underexcitation.For great Rong
Long distance power delivery system is measured, system capacitive reactive power is superfluous when night load is lighter, and generating set needs leading phase operation, or even leads
Cause excitation system UEL actions.If however, UEL parameter tunings are unreasonable, can be adversely affected to excitation system stabilization.
Because generator is run under underexcitation, generator internal e.m.f. reduction, generator's power and angle becomes big, and unit is static steady
Qualitative reduction, at the same damping can also reduce, it is easier to produce the unstable of oscillation mode, thus it is low encourage limitation just seem particularly heavy
Will.At present, the preset parameter of the factory default of manufacturing firm is used the low parameter for encouraging limiting element, if producer is low to encourage parameter more
It is improper to adjust, or control system overall construction design is unreasonable, even low to encourage limit link parameters and actual changeable operation work
Condition is mismatched, and will all cause low encourage after limitation is actually devoted oneself to work system oscillation occur.
The content of the invention
Method for limiting and device are encouraged the embodiments of the invention provide a kind of excitation of generator is low, to reach that reduction system is shaken
Swing, improve the purpose of the stability of a system.
Method for limiting is encouraged the embodiments of the invention provide a kind of excitation of generator is low, to reach reduction system oscillation, is carried
The purpose of the high stability of a system, this method includes：The low gain for encouraging limitation is adjusted according to generator's power and angle；According to the increasing after adjustment
Benefit carries out that excitation is low encourages limitation to the generator.
In one embodiment, the low gain for encouraging limitation is adjusted according to generator's power and angle, including：
Gain reduces as generator's power and angle increases, and gain increases as generator's power and angle reduces.
In one embodiment, the low gain for encouraging limitation is adjusted according to below equation：
Wherein, Δ VUELRepresent the low gain for encouraging limitation after adjustment, KUELRepresent the low proportional gain for encouraging limitation, TUEL1Table
Show that low encourage limits leading time constant, TUEL2Represent low and encourage limit retardation time constant,δ represents to generate electricity
Machine generator rotor angle, s represents complex frequency.
In one embodiment, before the gain of limitation is encouraged according to generator's power and angle adjustment is low, methods described also includes：
The reactive power of generator is calculated according to the set end voltage of the active power of generator and generator；
Carry out that excitation is low to encourage limitation to the generator according to the gain after adjustment, including：It is more than in reactive power predetermined
In the case of threshold value, carry out that excitation is low encourages limitation to the generator.
In one embodiment, the reactive power of generator is calculated according to below equation：
Qt=KUPt+pUt 2
Wherein, PtRepresent the active power of generator, UtRepresent the set end voltage of generator, QtRepresent the idle of generator
Power, KUProportionality coefficient is represented, p represents voltage correction factor.
The embodiment of the present invention additionally provides that a kind of excitation of generator is low to encourage limits device, to reach reduction system oscillation,
The purpose of the stability of a system is improved, the device includes：
Gain regulation module, for adjusting the low gain for encouraging limitation according to generator's power and angle；
Low to encourage limitation module, for being carried out according to the gain after adjustment to the generator, excitation is low to encourage limitation.
In one embodiment, gain reduces as generator's power and angle increases, and gain is with generator's power and angle reduction
Increase.
In one embodiment, the gain regulation module is used to adjust the low gain for encouraging limitation according to below equation：
Wherein, Δ VUELRepresent the low gain for encouraging limitation after adjustment, KUELRepresent the low proportional gain for encouraging limitation, TUEL1Table
Show that low encourage limits leading time constant, TUEL2Represent low and encourage limit retardation time constant,δ represents to generate electricity
Machine generator rotor angle, s represents complex frequency.
In one embodiment, said apparatus also includes power determination module, for adjusting low according to generator's power and angle
Before the gain for encouraging limitation, the reactive power of generator is calculated according to the set end voltage of the active power of generator and generator；
It is described it is low encourage limitation module, specifically for reactive power be more than predetermined threshold in the case of, to the generator
Carry out that excitation is low encourages limitation.
In one embodiment, the power determination module is specifically for the idle work(according to below equation calculating generator
Rate：
Qt=KUPt+pUt 2
Wherein, PtRepresent the active power of generator, UtRepresent the set end voltage of generator, QtRepresent the idle of generator
Power, KUProportionality coefficient is represented, p represents voltage correction factor.
In embodiments of the present invention, the low gain for encouraging limitation is adjusted according to generator's power and angle, and according to the gain after adjustment
Carry out that excitation is low encourages limitation to the generator, carry out it is low encourage limitation during, gain is as generator's power and angle is dynamic
Change, so that solving the parameter in the prior art, given tacit consent to using producer carries out low encourage caused by limitation in actual input
Easily there is the technical problem of system oscillation after work, reached reduction system oscillation, improve the technique effect of the stability of a system.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, not
Constitute limitation of the invention.In the accompanying drawings：
Fig. 1 is that low encourage of excitation of conventional generator limits control mode schematic diagram；
Fig. 2 is the low flow chart for encouraging method for limiting of excitation of the generator of the embodiment of the present invention；
Fig. 3 is the low structured flowchart for encouraging limits device of excitation of the generator of the embodiment of the present invention；
Fig. 4 is that low encourage of excitation of the generator of the embodiment of the present invention limits control mode schematic diagram；
Fig. 5 is that low encourage of excitation of the generator of the embodiment of the present invention limits the specific schematic diagram of control mode.
Embodiment
It is right with reference to embodiment and accompanying drawing for the object, technical solutions and advantages of the present invention are more clearly understood
The present invention is described in further details.Here, the exemplary embodiment of the present invention and its illustrating to be used to explain the present invention, but simultaneously
It is not as a limitation of the invention.
Inventor has found, can carry out the low of field regulator using the constant voltage mode of PID modes as shown in Figure 1 and encourage
Limitation, wherein, PtRepresent the active power of generator, UtRepresent the set end voltage of generator, QtRepresent the idle work(of generator
Rate, KURepresent proportionality coefficient, KUELRepresent low and encourage restriction proportion gain, TUEL1Represent low and encourage limitation leading time constant, TUEL2Table
Show it is low encourage limit retardation time constant, Δ S represents idle control deviation amount.
Total transmission function is：
However, in mode shown in Fig. 1, each gain parameter is also all good using factory settings, according to this parameter
Low encourage control and easily lead to occur system concussion when actual operation.In this regard, inventors herein proposing a kind of adjustment of field excitation
The low overall gain for encouraging limitation of device encourages method for limiting according to the low of size dynamic change of generator's power and angle, so as to solve prior art
Middle use manufacturing firm generator is low to encourage the problem of limitation default parameters is difficult in adapt to changeable live operating condition, so that
It is low encourage to be limited in quick, stable ideal characterisitics can be obtained under a variety of methods of operation of generator.
The excitation for the generator that the embodiment of the present invention is provided is low to encourage method for limiting as shown in Fig. 2 comprising the following steps：
Step 201：The low gain for encouraging limitation is adjusted according to generator's power and angle；
Step 202：Carry out that excitation is low encourages limitation to the generator according to the gain after adjustment.
In the above-described embodiments, the low gain for encouraging limitation is adjusted according to generator's power and angle, and according to the gain pair after adjustment
The generator carries out that excitation is low to encourage limitation, carry out it is low encourage limitation during, gain is with generator's power and angle dynamic change
Change, work is actually put into caused by limitation so as to solve the parameter in the prior art, given tacit consent to using producer and carry out low encourage
Easily there is the technical problem of system oscillation after work, reached reduction system oscillation, improve the technique effect of the stability of a system.
In order to ensure that low encourage quickly can limit the reactive power of generator in the reasonable scope, simultaneously after limitation action
More conventional constant low limiting gain of encouraging compared to that can improve the dynamic stability of unit again, and in this example, gain is with generator
Generator rotor angle increases and reduced, and gain increases as generator's power and angle reduces.
Specifically, the low gain for encouraging limitation can be determined according to below equation：
Wherein, Δ VUELRepresent the low gain for encouraging limitation after adjustment, KUELRepresent the low proportional gain for encouraging limitation, TUEL1Table
Show that low encourage limits leading time constant, TUEL2Represent low and encourage limit retardation time constant,δ represents to generate electricity
Machine generator rotor angle, s represents complex frequency.
Excitation is low to encourage limitation and is carried out in the case where system capacitive reactive power is superfluous, therefore can be first carried out before progress
Determine the process of reactive power, i.e. before the gain of limitation is encouraged according to the adjustment of motor generator rotor angle is low, the above method also includes：Root
The reactive power of generator is calculated according to the active power of generator and the set end voltage of generator；It is more than predetermined threshold in reactive power
In the case of value, just triggering carries out that excitation is low encourages limitation to generator.
Specifically, the reactive power of generator can be calculated according to below equation：
Qt=KUPt+pUt 2
Wherein, PtRepresent the active power of generator, UtRepresent the set end voltage of generator, QtRepresent the idle of generator
Power, KUProportionality coefficient is represented, p represents voltage correction factor.
Based on same inventive concept, additionally provide that a kind of excitation of generator is low to encourage limits device in the embodiment of the present invention,
As described in the following examples.Encouraged because the excitation of generator is low limits device solve problem principle and generator excitation it is low
Encourage that method for limiting is similar, therefore the low implementation for encouraging limits device of the excitation excitation that may refer to generator of generator low encourages limitation
The implementation of method, repeats part and repeats no more.Used below, term " unit " or " module " can realize predetermined function
Software and/or hardware combination.Although the device described by following examples is preferably realized with software, hardware,
Or the realization of the combination of software and hardware is also that may and be contemplated.Fig. 3 is the excitation of the generator of the embodiment of the present invention
A kind of low structured flowchart for encouraging limits device, as shown in figure 3, including：Gain regulation module 301 and low encourage limit module 302, under
Illustrated in face of the structure.
Gain regulation module 301, for adjusting the low gain for encouraging limitation according to generator's power and angle；
Low to encourage limitation module 302, for being carried out according to the gain after adjustment to the generator, excitation is low to encourage limitation.
In one embodiment, gain reduces with the increase of generator's power and angle, and gain subtracts with generator's power and angle
It is small and increase.
In one embodiment, gain regulation module 301 is used to adjust the low gain for encouraging limitation according to below equation：
Wherein, Δ VUELRepresent the low gain for encouraging limitation after adjustment, KUELRepresent the low proportional gain for encouraging limitation, TUEL1Table
Show that low encourage limits leading time constant, TUEL2Represent low and encourage limit retardation time constant,δ represents to generate electricity
Machine generator rotor angle, s represents complex frequency.
In one embodiment, said apparatus also includes power determination module, for adjusting low according to generator's power and angle
Before the gain for encouraging limitation, the reactive power of generator is calculated according to the set end voltage of the active power of generator and generator；
It is low to encourage limitation module 302, in the case of being more than predetermined threshold in reactive power, excitation is carried out to the generator low
Encourage limitation.
In one embodiment, power determination module is specifically for the reactive power according to below equation calculating generator：
Qt=KUPt+pUt 2
Wherein, PtRepresent the active power of generator, UtRepresent the set end voltage of generator, QtRepresent the idle of generator
Power, KUProportionality coefficient is represented, p represents voltage correction factor.
The low method for limiting of encouraging of the excitation of above-mentioned generator is specifically described with reference to a specific embodiment, so
And it is worth noting that the specific embodiment merely to preferably describe the present invention, do not constitute to the present invention improper limit
It is fixed.
Size dynamic change of the low gain for encouraging limitation according to current generator generator rotor angle is proposed in this example, i.e., such as Fig. 4
It is shown, increase a dynamic gain link behind the lead-lag link shown in Fig. 1.The excitation of the generator of the present invention is low to encourage
The adaptive gain concrete methods of realizing that method for limiting is used is as shown in Figure 5.
5, δ represents the generator's power and angle obtained by field regulator measurement in figure, and adaptation module output is specific to be calculated
Formula is as follows：
Wherein, Δ z output is limited in the range of 0.1-1 again.
The low gain for encouraging limitation of the size dynamic change according to generator's power and angle proposed by this example, when generator work(
It is low when angle is larger to encourage limitation using less gain coefficient, and larger gain coefficient is then used when generator's power and angle is smaller,
So both can guarantee that it is low encourage after limitation action it is quick by generator reactive limitation in the reasonable scope, constant low encouraged while more conventional
Limiting gain can improve the dynamic stability of unit compared to again, while also enhancing the ability of the interference such as anti-reflective tune.It is solid with routine
Determine the low contrast test being limited under identical disturbance of encouraging of gain and test display, the low of the adaptive gain that this example is proposed encourages limitation
Dynamic response swung by 10 times and be rapidly reached steady, and use the dynamic response of fixed gain controller to need by very long
The vibration of time just recovers steady.
In another embodiment, a kind of software is additionally provided, the software is used to perform above-described embodiment and preferred real
Apply the technical scheme described in mode.
In another embodiment, a kind of storage medium is additionally provided, be stored with above-mentioned software in the storage medium, should
Storage medium includes but is not limited to：CD, floppy disk, hard disk, scratch pad memory etc..
As can be seen from the above description, the embodiment of the present invention realizes following technique effect：According to generator's power and angle
The low gain for encouraging limitation of adjustment, and carry out according to the gain after adjustment that excitation is low to encourage limitation to the generator, is encouraged progress is low
During limitation, gain is, with generator's power and angle dynamic change, so as to solve in the prior art, to be given tacit consent to using producer
Parameter carry out it is low encourage limitation caused by easily there is the technical problem of system oscillation after actually devoting oneself to work, reached and subtracted
Few system oscillation, improves the technique effect of the stability of a system.
Obviously, those skilled in the art should be understood that each module or each step of the above-mentioned embodiment of the present invention can be with
Realized with general computing device, they can be concentrated on single computing device, or be distributed in multiple computing devices
On the network constituted, alternatively, the program code that they can be can perform with computing device be realized, it is thus possible to by it
Store and performed in the storage device by computing device, and in some cases, can be to be held different from order herein
They, are either fabricated to each integrated circuit modules or will be multiple in them by the shown or described step of row respectively
Module or step are fabricated to single integrated circuit module to realize.So, the embodiment of the present invention is not restricted to any specific hard
Part and software are combined.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the embodiment of the present invention can have various modifications and variations.Within the spirit and principles of the invention, made
Any modification, equivalent substitution and improvements etc., should be included in the scope of the protection.
Claims (6)
1. a kind of excitation of generator is low to encourage method for limiting, it is characterised in that including：
The low gain for encouraging limitation is adjusted according to generator's power and angle；
Carry out that excitation is low encourages limitation to the generator according to the gain after adjustment；
Wherein, the low gain for encouraging limitation is adjusted according to generator's power and angle, including：Gain reduces as generator's power and angle increases,
Gain increases as generator's power and angle reduces；
The low gain for encouraging limitation is adjusted according to below equation：
<mrow>
<msub>
<mi>&Delta;V</mi>
<mrow>
<mi>U</mi>
<mi>E</mi>
<mi>L</mi>
</mrow>
</msub>
<mo>=</mo>
<msub>
<mi>K</mi>
<mrow>
<mi>U</mi>
<mi>E</mi>
<mi>L</mi>
</mrow>
</msub>
<mfrac>
<mrow>
<msub>
<mi>T</mi>
<mrow>
<mi>U</mi>
<mi>E</mi>
<mi>L</mi>
<mn>1</mn>
</mrow>
</msub>
<mi>s</mi>
<mo>+</mo>
<mn>1</mn>
</mrow>
<mrow>
<msub>
<mi>T</mi>
<mrow>
<mi>U</mi>
<mi>E</mi>
<mi>L</mi>
<mn>2</mn>
</mrow>
</msub>
<mi>s</mi>
<mo>+</mo>
<mn>1</mn>
</mrow>
</mfrac>
<mo>&times;</mo>
<mi>&Delta;</mi>
<mi>z</mi>
</mrow>
Wherein, Δ VUELRepresent the low gain for encouraging limitation after adjustment, KUELRepresent the low proportional gain for encouraging limitation, TUEL1Represent low
Encourage limitation leading time constant, TUEL2Represent low and encourage limit retardation time constant,δ represents generator work(
Angle, s represents complex frequency.
2. the method as described in claim 1, it is characterised in that：
Before the gain of limitation is encouraged according to generator's power and angle adjustment is low, methods described also includes：According to the wattful power of generator
The set end voltage of rate and generator calculates the reactive power of generator；
Carry out that excitation is low to encourage limitation to the generator according to the gain after adjustment, including：It is more than predetermined threshold in reactive power
In the case of, carry out that excitation is low encourages limitation to the generator.
3. method as claimed in claim 2, it is characterised in that the reactive power of generator is calculated according to below equation：
Qt=KUPt+pUt 2
Wherein, PtRepresent the active power of generator, UtRepresent the set end voltage of generator, QtThe reactive power of generator is represented,
KUProportionality coefficient is represented, p represents voltage correction factor.
4. a kind of excitation of generator is low to encourage limits device, it is characterised in that including：
Gain regulation module, for adjusting the low gain for encouraging limitation according to generator's power and angle；
Low to encourage limitation module, for being carried out according to the gain after adjustment to the generator, excitation is low to encourage limitation；
Wherein, gain reduces as generator's power and angle increases, and gain increases as generator's power and angle reduces；
The gain regulation module is used to adjust the low gain for encouraging limitation according to below equation：
<mrow>
<msub>
<mi>&Delta;V</mi>
<mrow>
<mi>U</mi>
<mi>E</mi>
<mi>L</mi>
</mrow>
</msub>
<mo>=</mo>
<msub>
<mi>K</mi>
<mrow>
<mi>U</mi>
<mi>E</mi>
<mi>L</mi>
</mrow>
</msub>
<mfrac>
<mrow>
<msub>
<mi>T</mi>
<mrow>
<mi>U</mi>
<mi>E</mi>
<mi>L</mi>
<mn>1</mn>
</mrow>
</msub>
<mi>s</mi>
<mo>+</mo>
<mn>1</mn>
</mrow>
<mrow>
<msub>
<mi>T</mi>
<mrow>
<mi>U</mi>
<mi>E</mi>
<mi>L</mi>
<mn>2</mn>
</mrow>
</msub>
<mi>s</mi>
<mo>+</mo>
<mn>1</mn>
</mrow>
</mfrac>
<mo>&times;</mo>
<mi>&Delta;</mi>
<mi>z</mi>
</mrow>
Wherein, Δ VUELRepresent the low gain for encouraging limitation after adjustment, KUELRepresent the low proportional gain for encouraging limitation, TUEL1Represent low
Encourage limitation leading time constant, TUEL2Represent low and encourage limit retardation time constant,δ represents generator work(
Angle, s represents complex frequency.
5. device as claimed in claim 4, it is characterised in that：
Also include power determination module, for before the gain of limitation is encouraged according to generator's power and angle adjustment is low, according to generator
Active power and generator set end voltage calculate generator reactive power；
It is described it is low encourage limitation module, specifically for reactive power be more than predetermined threshold in the case of, to the generator carry out
Excitation is low to encourage limitation.
6. device as claimed in claim 5, it is characterised in that：
The power determination module is specifically for the reactive power according to below equation calculating generator：
Qt=KUPt+pUt 2
Wherein, PtRepresent the active power of generator, UtRepresent the set end voltage of generator, QtThe reactive power of generator is represented,
KUProportionality coefficient is represented, p represents voltage correction factor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410165765.0A CN105024601B (en) | 2014-04-23 | 2014-04-23 | The excitation of generator is low to encourage method for limiting and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410165765.0A CN105024601B (en) | 2014-04-23 | 2014-04-23 | The excitation of generator is low to encourage method for limiting and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105024601A CN105024601A (en) | 2015-11-04 |
| CN105024601B true CN105024601B (en) | 2017-09-01 |
Family
ID=54414365
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410165765.0A Active CN105024601B (en) | 2014-04-23 | 2014-04-23 | The excitation of generator is low to encourage method for limiting and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105024601B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106655931B (en) * | 2016-11-10 | 2019-03-05 | 华北电力科学研究院有限责任公司 | It is low to encourage limitation parameter tuning method and device |
| CN108199391B (en) * | 2018-01-10 | 2018-12-07 | 云南电网有限责任公司电力科学研究院 | A kind of control method for coordinating of generator UEL and PSS |
| CN110808699B (en) * | 2019-11-13 | 2021-07-06 | 合肥市睿电电气技术咨询服务有限责任公司 | Method for realizing low excitation limit of excitation regulator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03117398A (en) * | 1989-09-29 | 1991-05-20 | Fuji Electric Co Ltd | Under excitation limiter for generator |
| JP2008199848A (en) * | 2007-02-15 | 2008-08-28 | Mitsubishi Electric Corp | Excitation controller of synchronous power generator |
| CN101588153A (en) * | 2009-07-08 | 2009-11-25 | 浙江省电力公司 | Method of limiting low excitation |
| CN103516274A (en) * | 2013-09-26 | 2014-01-15 | 国家电网公司 | Generator excitation system comprising multi-type limiting units |
| WO2014026314A1 (en) * | 2012-08-13 | 2014-02-20 | 国电南瑞科技股份有限公司 | Method for coordinating and controlling primary ring and auxiliary ring of generator excited system |
-
2014
- 2014-04-23 CN CN201410165765.0A patent/CN105024601B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03117398A (en) * | 1989-09-29 | 1991-05-20 | Fuji Electric Co Ltd | Under excitation limiter for generator |
| JP2008199848A (en) * | 2007-02-15 | 2008-08-28 | Mitsubishi Electric Corp | Excitation controller of synchronous power generator |
| CN101588153A (en) * | 2009-07-08 | 2009-11-25 | 浙江省电力公司 | Method of limiting low excitation |
| WO2014026314A1 (en) * | 2012-08-13 | 2014-02-20 | 国电南瑞科技股份有限公司 | Method for coordinating and controlling primary ring and auxiliary ring of generator excited system |
| CN103516274A (en) * | 2013-09-26 | 2014-01-15 | 国家电网公司 | Generator excitation system comprising multi-type limiting units |
Non-Patent Citations (2)
| Title |
|---|
| 发电机励磁调节器低励限制协调控制分析;丁傲;《电网技术》;20120830;第36卷(第8期);第193-198页 * |
| 数字型励磁调节装置的控制策略;韦奕华;《电机电器技术》;20040430;第18-20页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105024601A (en) | 2015-11-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4672525B2 (en) | Power quality maintenance control device | |
| KR101213002B1 (en) | Control device of wind turbine generator and control method thereof | |
| JP2016519924A (en) | Method for supplying power to a power supply network | |
| CN107394814B (en) | Virtual inertia matching method under optimal energy storage configuration | |
| CN105024601B (en) | The excitation of generator is low to encourage method for limiting and device | |
| CN104821757B (en) | Synchronous motor excitation system control method based on real-time state internal potential control | |
| CN106712055B (en) | It is a kind of with the low power system stabilizer, PSS configuration method encouraging limitation function and mutually coordinating | |
| KR20190034960A (en) | ESS Output Control Method | |
| CN110808595A (en) | Method for coordinately optimizing transient stability and dynamic stability of excitation gain | |
| JP5469624B2 (en) | Reactive power compensator | |
| Kumar et al. | Improvement power system stability using Unified Power Flow Controller based on hybrid Fuzzy Logic-PID tuning In SMIB system | |
| KR20130035115A (en) | Vdcol(voltage dependent current order limiter)) controller | |
| CN112186779A (en) | Parameter optimization method and device for double-fed wind generating set controller | |
| US20140157818A1 (en) | Permanent Magnet Generator Voltage Regulation | |
| JP2017070129A (en) | Power control system and power control method | |
| Ono et al. | Frequency control with dead band characteristic of battery energy storage system for power system including large amount of wind power generation | |
| JP2020506664A (en) | Power supply method to power supply network | |
| CN111146990B (en) | Generator excitation control method and device for inhibiting subsynchronous oscillation | |
| Suprihardi et al. | Harmonic impact in induction generator voltage using thyristor control reactor | |
| JP5633963B2 (en) | Control method for power system stabilizer | |
| Wang et al. | Effect of AC voltage control on the stability of weak AC grid connected DFIG system | |
| JP2015023612A (en) | Load operation control apparatus, load operation control system, and load operation control method | |
| Kuang et al. | An adaptive virtual synchronous generator control strategy for VSC-MTDC systems and sensitivity analysis of the parameters | |
| US8478434B2 (en) | Output feedback frequency control device for rotating machine speed control | |
| CN112421650B (en) | Method and system for evaluating power grid inertia |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |