CN105932701B - A kind of water-storage multicomputer shares SFC and starts high voltage auxiliary power Optimal Configuration Method - Google Patents
A kind of water-storage multicomputer shares SFC and starts high voltage auxiliary power Optimal Configuration Method Download PDFInfo
- Publication number
- CN105932701B CN105932701B CN201610407402.2A CN201610407402A CN105932701B CN 105932701 B CN105932701 B CN 105932701B CN 201610407402 A CN201610407402 A CN 201610407402A CN 105932701 B CN105932701 B CN 105932701B
- Authority
- CN
- China
- Prior art keywords
- unit
- sfc
- frequency converter
- static frequency
- service
- 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
- 238000000034 method Methods 0.000 title claims abstract description 30
- 230000003068 static effect Effects 0.000 claims abstract description 33
- 238000005457 optimization Methods 0.000 claims abstract description 14
- 230000005611 electricity Effects 0.000 claims description 16
- 230000008859 change Effects 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000012423 maintenance Methods 0.000 claims description 9
- 238000004364 calculation method Methods 0.000 claims description 6
- 239000007858 starting material Substances 0.000 claims description 6
- 238000004088 simulation Methods 0.000 claims description 4
- 230000000977 initiatory effect Effects 0.000 claims description 3
- 238000009825 accumulation Methods 0.000 claims description 2
- 238000002955 isolation Methods 0.000 claims description 2
- 230000003213 activating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000008520 organization Effects 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000013589 supplement Substances 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
- H02J3/28—Arrangements for balancing of the load in a network by storage of energy
-
- 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
- H02J3/38—Arrangements for parallely feeding a single network by two or more generators, converters or transformers
- H02J3/381—Dispersed generators
Abstract
SFC is shared the invention discloses a kind of water-storage multicomputer and starts high voltage auxiliary power Optimal Configuration Method, is comprised the following steps：To influence minimum principle to system voltage quality, water-storage multicomputer boot sequence is determined；To influence minimum principle to service power voltage quality, static frequency converter SFC startup power supply is configured by unit starting sequential optimization；Station service is distributed rationally according to SFC startup power supply；SFC startup power supplies and station-service according to distributing rationally electrically activate pump-storage generator.The present invention is used to solve by during SFC startup pump-storage generators, the voltage magnitude being likely to occur declines harmonious wave component and increased, it is unqualified or start unsuccessful problem even to there is quality of voltage, technical support can be provided for the planning and designing of hydroenergy storage station and safety and economic operation.
Description
Technical field
The present invention relates to hydroenergy storage station safe operation technical field, more particularly to a kind of water-storage multicomputer is shared
SFC starts high voltage auxiliary power Optimal Configuration Method.
Background technology
Hydroenergy storage station accesses network system as new energy.Pump-storage generator draws water and generated electricity two kinds of work sides
Formula.When night because certain customers' electricity consumption stops, and generating significantly can not be shut down or reduce to various large electric power plants, nuclear power, power train
When electricity more than needed occurs in system, hydroenergy storage station can utilize these electricity more than needed, start unit and the water of lower is extracted into eminence
It is in store, is put down until power system peak of power consumption, then the water of eminence, drive turbine-generator units to generate electricity, electricity
Power sends power network back to, supplies user power utilization, and the water after generating still returns to lower.The operation of hydroenergy storage station, improves power network
Operational reliability, flexibility, security and economy.
Pump-storage generator typically first uses shared static frequency converter by machine in motoring condition starts starting process
Group drags to rated speed from 0 rotating speed, is then connected to the grid and draws water again.But if SFC power supplys and factory during unit starting
It is improper with the configuration of power supply, it will to directly affect the quality of voltage of power network and station service, some warning messages occur, may influence
Unit normal starting, even result in startup failure.The characteristics of present invention electrically activates pump-storage generator according to station-service, formulation is drawn water
Accumulation of energy multicomputer shares SFC and starts the technical scheme that high voltage auxiliary power is distributed rationally, starts factory to solve China's water-storage SFC
Electricity consumption electricity optimization allocation problem provides technical support and equipment guarantee.
The content of the invention
The present invention provides a kind of water-storage multicomputer and shares SFC startup high voltage auxiliary power Optimal Configuration Methods, it is intended to solves
Certainly in hydroenergy storage station, because high voltage auxiliary power and SFC power configurations not only, directly affect during SFC startup units
The quality of voltage of power network and station service, unit normal starting is influenceed, even result in the technical barrier for starting failure.
The object of the present invention is achieved like this：
A kind of water-storage multicomputer shares SFC and starts high voltage auxiliary power Optimal Configuration Method, it is characterised in that including under
Row step：
Step 1, to influence minimum principle to system voltage quality, determine water-storage multicomputer boot sequence, specifically
It is：The hydroenergy storage station that SFC starts is shared for n platforms unit, by the Digital Simulation of Load flow calculation and unit starting process,
Unit is individually started from 1 to n platforms unit using static frequency converter SFC in different high voltage auxiliary power access ways, obtained
Independent sequence of the starter motor group to system voltage influence degree under same type of high voltage auxiliary power access way.
Step 2, to influence minimum principle to service power voltage quality, configure variable frequency starting by unit starting sequential optimization
Device SFC startup power supply, specific method are：Share the hydroenergy storage station that SFC starts for n platforms unit, unit and
One main transformer forms a unit connection, by the Digital Simulation of Load flow calculation and unit starting process, by each unit using change
Frequency starter SFC obtains different high voltage auxiliary powers and connect to station-service power plant when different high voltage auxiliary power access ways starts
Height becomes the sequence of supply voltage influence degree from big to small.By unit starting order, become supply voltage to station-service power plant is high
Minimum high voltage auxiliary power access way is influenceed, static frequency converter SFC is accessed, as the corresponding water-storage machine of power initiation
Group.
Step 3, station service distributed rationally according to SFC startup power supply, after SFC startup power supply access, from unit
Start influences the high change power supply optimization configuration station-service of minimum station-service power plant to its quality of voltage, i.e. variation and voltage waveform
Electricity.When starting unit using the SFC of ac-dc-ac inverter mode, reactor should be installed additional between SFC inputs and station service side
Isolate harmonic wave, prevent from producing big harmonic wave during SFC Frequency converting driving unit startings,
Step 4, pump-storage generator, optimization starting process are electrically activated according to the SFC startup power supplies and station-service distributed rationally
Meet constraints：
Constraints one：Service power and SFC power supplys is avoided to be derived from same power supply；
Constraints two：It is i, i=1,2 to define main transformer numbering, 3..., n；Machine group # is j, j=1,2,3..., n；
SFC power supply is derived from main transformer i, and the unit j accordingly to be started is not belonging to same unit-main transformer unit, i.e.,：i≠j.
Constraints three：Connecting unit corresponding to the main transformer of SFC equipment needs last start.
SFC, which is shared, in a kind of above-mentioned water-storage multicomputer starts high voltage auxiliary power Optimal Configuration Method, definition scheduling
It is required that starting m platform units, then select to perform according to following condition：
Condition one：In the case where not considering power unit in economic operation, maintenance requirement or traffic order, by unit starting to being
The order of the influence degree of system quality of voltage from big to small starts m platform units successively；
Condition two：In the case where power unit in economic operation requirement or traffic order be present, by unit starting to system voltage
Influence degree put in order from big to small successively, preferentially start traffic order, economical operation requirement unit, restart deficiency
Other units of m platforms；
Condition three：In the case where unit maintenance requirement be present, maintenance unit is extracted out from sequence, is started m platform units and is pressed
Unit starting starts other m platforms units successively to the order of the influence degree of system voltage quality from big to small.
SFC, which is shared, in a kind of above-mentioned water-storage multicomputer starts high voltage auxiliary power Optimal Configuration Method, the step 3
In, in SFC input parallel LC filters, make power network and Auxiliary Power System Voltage harmonic wave not exceeded.
SFC, which is shared, in a kind of above-mentioned water-storage multicomputer starts high voltage auxiliary power Optimal Configuration Method, the step 4
In, startup logical relation such as formula (1) institute of pump-storage generator is electrically activated according to the SFC startup power supplies and station-service distributed rationally
Show.
Wherein：QD represents unit starting success；SFC represents that static frequency converter SFC is working properly；ZB represents main transformer work
Normally；CB represents that factory is high and becomes working properly；JZ represents that unit is working properly；I numbers for main transformer, i=1,2,3..., n；J is machine
Group #, j=1,2,3..., n；SFCijMain transformer i is derived from for static frequency converter SFC power supply, dragging unit j starts；K is factory
Height becomes numbering, k=1,2,3..., l；M is the number of units that plan starts unit.Formula (1) meets in steps 1 and 2,3 simultaneously under conditions of
Set up.
Therefore, the present invention be used for solve by SFC startup pump-storage generator during, in fact it could happen that voltage magnitude under
Drop harmonious wave component to increase, or even quality of voltage occur unqualified or start unsuccessful problem, can be hydroenergy storage station
Planning and designing and safety and economic operation provide technical support.
Brief description of the drawings
Fig. 1 is schematic flow sheet of the embodiment of the present invention.
Fig. 2 is four unit Typical Disposition wiring diagrams of the embodiment of the present invention.
Fig. 3 is that the embodiment of the present invention starts the electricity optimization configuration schematic diagram of unit 1.
Fig. 4 is that unit of the embodiment of the present invention 1 works, starts the electricity optimization configuration schematic diagram of unit 2.
Fig. 5 is that unit of the embodiment of the present invention 1 and unit 2 work, start the electricity optimization configuration schematic diagram of unit 3.
Fig. 6 is that unit of the embodiment of the present invention 1, unit 2 and unit 3 work, start the electricity optimization configuration schematic diagram of unit 4.
Embodiment
Describe in detail with reference to the accompanying drawings and examples：
A kind of water-storage multicomputer shares SFC and starts high voltage auxiliary power Optimal Configuration Method.
Water-storage multicomputer share SFC start high voltage auxiliary power Optimal Configuration Method embodiment flow chart as shown in figure 1,
As seen from Figure 1：
1st, the step determines water-storage multicomputer boot sequence 1. to influence minimum principle to system voltage quality
1：
The hydroenergy storage station of SFC startups is shared for n platforms unit, passes through Load flow calculation and the numeral of unit starting process
Emulation, unit is individually started from 1 to n platforms unit using static frequency converter SFC in different high voltage auxiliary power access ways,
Obtain independent sequence of the starter motor group to system voltage influence degree under same type of high voltage auxiliary power access way.
If scheduling requirement starts m platform units, three kinds of situations are divided to start：1) power unit in economic operation, maintenance are not being considered
It is required that or in the case of traffic order, the order of the influence degree of system voltage quality from big to small is opened successively by unit starting
Dynamic m platform units；2) in the case where power unit in economic operation requirement or traffic order be present, the shadow by unit starting to system voltage
The degree of sound puts in order successively from big to small, preferentially starts traffic order, the unit of economical operation requirement, restarts less than m platforms
Other units；3) in the case where unit maintenance requirement be present, maintenance unit is extracted out from sequence, is started m platforms unit and is pressed machine
Group starts starts other m platforms units successively to the order of the influence degree of system voltage quality from big to small.
The more influences to system voltage quality of unit quantity of startup are bigger, and first starting influences big unit, rear to start
Influence small unit, it is ensured that all plan influences minimum during starting unit starting on system voltage quality.
2nd, the step is configured by unit starting sequential optimization and become 2. to influence minimum principle to service power voltage quality
Frequency starter SFC startup power supply 2：
The hydroenergy storage station of SFC startups is shared for n platforms unit, a unit and a main transformer form a unit and connect
Line, by the Digital Simulation of Load flow calculation and unit starting process, by each unit using static frequency converter SFC in different factories
When electricity consumption plant-grid connection mode starts, obtain different high voltage auxiliary powers and connect the supply voltage influence degree that becomes high to station-service power plant from big
To small sequence.By unit starting order, minimum high voltage auxiliary power access is influenceed from the high supply voltage that becomes of station-service power plant
Mode, static frequency converter SFC is accessed, as the corresponding pump-storage generator of power initiation.
3rd, 3. the step distributes station service 3 rationally according to SFC startup power supply：
After SFC startup power supply access, its quality of voltage, i.e. variation and voltage waveform are influenceed from unit starting
Minimum station-service power plant is high to become power supply optimization configuration station service.In order to ensure service power voltage quality, when using ac-dc-ac inverter
When the SFC of mode starts unit, reactor isolation harmonic wave should be installed additional between SFC inputs and station service side, prevent SFC frequency conversions
Dragging unit start-up course in produce larger harmonic wave, if necessary will also in SFC input parallel LC filters, ensure power network and
Auxiliary Power System Voltage harmonic wave is not exceeded.
4th, 4. the step electrically activates pump-storage generator 4 according to distribute rationally SFC startup power supplies and station-service：
Optimize starting process and meet following require：
1) service power (factory is high to be become) and SFC power supplys is avoided to be derived from same power supply (main transformer)；
2) if main transformer numbering is i, i=1,2,3..., n；Machine group # is j, j=1,2,3..., n；SFC power supply takes
Same unit-main transformer unit is not belonging to from main transformer i, the unit j accordingly to be started, i.e.,：i≠j.
3) ensure that unit corresponding to the main transformer of connection SFC equipment finally starts as far as possible.
SFC startup power supplies and station-service according to distributing rationally electrically activate the startup logical relation such as formula of pump-storage generator
(1) shown in.
Wherein：QD represents unit starting success；SFC represents that static frequency converter SFC is working properly；ZB represents main transformer work
Normally；CB represents that factory is high and becomes working properly；JZ represents that unit is working properly；I numbers for main transformer, i=1,2,3..., n；J is machine
Group #, j=1,2,3..., n；SFCijMain transformer i is derived from for static frequency converter SFC power supply, dragging unit j starts；K is factory
Height becomes numbering, k=1,2,3..., l；M is the number of units that plan starts unit.
Formula (1) under conditions of step 2 and step San Tong method satisfaction Step 1: set up.
Example 1
It is the specific implementation case using the above method below.
As shown in Fig. 2 four unit Typical Disposition wiring diagrams of the embodiment of the present invention, the hydroenergy storage station configures a change
Frequency starter SFC, four units-main transformer unit, the high change of two factories, SFC accesses unit by reactor, and configures LC in parallel
Wave filter.The startup power supply for carrying out SFC distributes schematic diagram rationally.
In Fig. 2, unit and main transformer number of units n=4, start unit number m=4, factory is high to become number of units l=2, according to what is distributed rationally
SFC startup power supplies and station-service are electrically activated shown in the startup logical relation such as formula (2) of pump-storage generator.
The optimum organization scheme of formula (2) is premised on having ensured power network and service power voltage quality, accordingly, it is possible in the presence of
Multiple optimum organization schemes, the selection of specific optimum organization scheme according to the operation conditions and convenient degree of operation of physical device come
Choose most rational scheme.
Now illustrate a kind of allocation plan by taking Fig. 2 as an example.In Fig. 2, SFC can freely be switched to main transformer 1,2,3,4, but consider
To the reliability of SFC equipment, in order to which that reduces SFC as far as possible switches number, so limitation SFC power supply is derived from No. 2 main transformers or No. 3
Main transformer.The power supply of the high change 1 of factory is derived from main transformer 1 or main transformer 3, and the power supply of the high change 2 of factory is derived from main transformer 2 or main transformer 4.Assuming that set optimization
Starting sequence is #1 units, #2 units, #3 units, #4 units, and the electricity optimization allocation plan of startup of unit SFC and station service is such as
Under：
Shown in Fig. 3, #1 units are started：SFC power supply is derived from main transformer 2, and the high power supply for becoming 1 (I section of bus of station service) of factory takes
From main transformer 3, the high power supply for becoming 2 (II section of bus of station service) of factory is derived from main transformer 4；
Shown in Fig. 4, #2 units are started, #1 set grid-connections draw water, and SFC power supply is derived from main transformer 3, and factory is high to become 1 (station service I
Section bus) power supply be derived from main transformer 1, the high power supply for becoming 4 (II section of bus of station service) of factory is derived from main transformer 4；
Shown in Fig. 5, #3 units are started, #1 units, #2 set grid-connections draw water, and SFC power supply is derived from main transformer 2, and factory is high to become 1
The power supply of (I section of bus of station service) is derived from main transformer 1, and the high power supply for becoming 2 (II section of bus of station service) of factory is derived from main transformer 4；
Shown in Fig. 6, #4 units are started, #1 units, #2 units and #3 set grid-connections draw water, and SFC power supply is derived from main transformer 3,
The high power supply for becoming 1 (I section of bus of station service) of factory is derived from main transformer 1, and the high power supply for becoming 2 (II section of bus of station service) of factory is derived from main transformer 2；
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention.Though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention.It is any to be familiar with those skilled in the art
Member, without departing from the scope of the technical proposal of the invention, all using the methods and technical content of the disclosure above to the present invention
Technical scheme makes many possible changes and modifications, or is revised as the equivalent embodiment of equivalent variations.Therefore, it is every without departing from
The content of technical solution of the present invention, the technical spirit according to the present invention is to any simple modification made for any of the above embodiments, equivalent
Change and modification, specific embodiment described herein is only pair in the range of still falling within technical solution of the present invention protection
Spirit explanation for example of the invention.Those skilled in the art can do respectively to described specific embodiment
The modification of kind various kinds or supplement are substituted using similar mode, but without departing from the spiritual of the present invention or surmount appended power
Scope defined in sharp claim.
Claims (4)
1. a kind of water-storage multicomputer, which shares static frequency converter SFC, starts service power Optimal Configuration Method, its feature exists
In comprising the following steps：
Step 1, to influence minimum principle to system voltage quality, determine water-storage multicomputer boot sequence, be specifically：It is right
The hydroenergy storage station of static frequency converter SFC startups is shared in n platforms unit, passes through Load flow calculation and the number of unit starting process
Word is emulated, and unit is individually started from 1 to n platforms unit using static frequency converter SFC in different service power access ways,
Obtain independent sequence of the starter motor group to system voltage influence degree under same type of service power access way；
Step 2, to influence minimum principle to service power voltage quality, configure static frequency converter by unit starting sequential optimization
SFC startup power supplies, specific method are：The hydroenergy storage station started for the shared static frequency converter SFC of n platforms unit, one
Unit and a main transformer form a unit connection, will by the Digital Simulation of Load flow calculation and unit starting process
Each unit, when different service power access way starts, is obtained different service poweies and connect pair using static frequency converter SFC
Station-service power plant is high to become the sequence of supply voltage influence degree from big to small；By unit starting order, become to station-service power plant is high
Supply voltage influences minimum service power access way, accesses static frequency converter SFC, is drawn water accordingly as power initiation
Accumulation of energy unit；
Step 3, station service distributed rationally according to static frequency converter SFC startup power supplies, in static frequency converter SFC startup power supplies
After access, the high change confession of minimum station-service power plant is influenceed to its quality of voltage, i.e. variation and voltage waveform from unit starting
Electrically optimized configuration station service；, should be in variable frequency starting when starting unit using the static frequency converter SFC of ac-dc-ac inverter mode
Install reactor isolation harmonic wave between device SFC inputs and station service side additional, prevent static frequency converter SFC Frequency converting driving units
Big harmonic wave is produced in start-up course,
The static frequency converter SFC startup power supplies and station-service that step 4, basis are distributed rationally electrically activate pump-storage generator, optimize
Starting process meets constraints：
Constraints one：Service power and static frequency converter SFC startup power supplies is avoided to be derived from same power supply；
Constraints two：It is i, i=1,2 to define main transformer numbering, 3..., n；Machine group # is j, j=1,2,3..., n；
Static frequency converter SFC startup power supplies are derived from main transformer i, and the unit j accordingly to be started is not belonging to same unit-main transformer
The unit connection that transformer is formed, i.e.,：i≠j；
Constraints three：Connecting unit corresponding to static frequency converter SFC main transformer needs last start.
It is excellent that 2. a kind of water-storage multicomputer according to claim 1 shares static frequency converter SFC startups service power
Change collocation method, it is characterised in that define scheduling requirement and start m platform units, then select to perform according to following condition：
Condition one：In the case where not considering power unit in economic operation, maintenance requirement or traffic order, by unit starting to system electricity
The order of the influence degree of quality from big to small is pressed to start m platform units successively；
Condition two：In the case where power unit in economic operation requirement or traffic order be present, the shadow by unit starting to system voltage
The degree of sound puts in order successively from big to small, preferentially starts traffic order, the unit of economical operation requirement, restarts less than m platforms
Other units；
Condition three：In the case where unit maintenance requirement be present, maintenance unit is extracted out from sequence, is started m platforms unit and is pressed unit
Start and other m platforms units are started successively to the order of the influence degree of system voltage quality from big to small.
It is excellent that 3. a kind of water-storage multicomputer according to claim 1 shares static frequency converter SFC startups service power
Change collocation method, it is characterised in that in the step 3, in static frequency converter SFC input parallel LC filters, make power network
It is not exceeded with Auxiliary Power System Voltage harmonic wave.
It is excellent that 4. a kind of water-storage multicomputer according to claim 1 shares static frequency converter SFC startups service power
Change collocation method, it is characterised in that in the step 4, according to the static frequency converter SFC startup power supplies and station-service distributed rationally
Shown in the startup logical relation such as formula (1) for electrically activating pump-storage generator：
Wherein：QD represents unit starting success；SFC represents that static frequency converter SFC is working properly；ZB represents main transformer work
Make normal；CB represents that factory is high and becomes working properly；I numbers for main transformer, i=1,2,3..., n；J is machine group #, j=1,
2,3...,n；SFCijMain transformer i is derived from for static frequency converter SFC startup power supplies, dragging unit j starts；K, which is that factory is high, to be become
Numbering, k=1,2,3..., l；M is the number of units that plan starts unit；Formula (1) steps 1 and 2,3 simultaneously meet under conditions of into
It is vertical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610407402.2A CN105932701B (en) | 2016-06-12 | 2016-06-12 | A kind of water-storage multicomputer shares SFC and starts high voltage auxiliary power Optimal Configuration Method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610407402.2A CN105932701B (en) | 2016-06-12 | 2016-06-12 | A kind of water-storage multicomputer shares SFC and starts high voltage auxiliary power Optimal Configuration Method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105932701A CN105932701A (en) | 2016-09-07 |
| CN105932701B true CN105932701B (en) | 2018-04-10 |
Family
ID=56833554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610407402.2A Active CN105932701B (en) | 2016-06-12 | 2016-06-12 | A kind of water-storage multicomputer shares SFC and starts high voltage auxiliary power Optimal Configuration Method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105932701B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108105024B (en) * | 2018-03-07 | 2020-06-26 | 国家电网公司 | SFC starting control method |
| CN111900735B (en) * | 2020-07-07 | 2021-09-21 | 西安热工研究院有限公司 | Multi-power-supply parallel type factory power supply system and parallel method thereof |
| CN114069630B (en) * | 2021-12-03 | 2024-01-19 | 上海明华电力科技有限公司 | Method for evaluating influence of SFC (small form factor) starting working condition of pumped storage power station on station power utilization system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101719753A (en) * | 2009-12-30 | 2010-06-02 | 国网电力科学研究院 | Method for detecting initial position of rotor of static frequency-conversion starting motor of pumped storage power station |
| CN104155883A (en) * | 2014-06-12 | 2014-11-19 | 国家电网公司 | Starting control method for static frequency converter (SFC) of pump storage group |
| CN104506087A (en) * | 2015-01-13 | 2015-04-08 | 哈尔滨电机厂有限责任公司 | Pump storage group variable frequency starting load simulation system |
| CN104881317A (en) * | 2015-06-18 | 2015-09-02 | 山东泰山抽水蓄能电站有限责任公司 | Corresponding-period grid-connection simulation platform and simulation system of pumped power storage unit under different working conditions |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100140958A1 (en) * | 2008-12-04 | 2010-06-10 | Searete Llc, A Limited Liability Corporation Of The State Of Delaware | Method for powering devices from intraluminal pressure changes |
-
2016
- 2016-06-12 CN CN201610407402.2A patent/CN105932701B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101719753A (en) * | 2009-12-30 | 2010-06-02 | 国网电力科学研究院 | Method for detecting initial position of rotor of static frequency-conversion starting motor of pumped storage power station |
| CN104155883A (en) * | 2014-06-12 | 2014-11-19 | 国家电网公司 | Starting control method for static frequency converter (SFC) of pump storage group |
| CN104506087A (en) * | 2015-01-13 | 2015-04-08 | 哈尔滨电机厂有限责任公司 | Pump storage group variable frequency starting load simulation system |
| CN104881317A (en) * | 2015-06-18 | 2015-09-02 | 山东泰山抽水蓄能电站有限责任公司 | Corresponding-period grid-connection simulation platform and simulation system of pumped power storage unit under different working conditions |
Non-Patent Citations (2)
| Title |
|---|
| 抽水蓄能电站自主调频控制策略研究;梁亮等;《高压电技术》;20151031;第41卷(第10期);第3288-3295页 * |
| 某抽水蓄能电站首次泵工况启动关键因素的数值分析;刘聪等;《水电能源科学》;20160228;第34卷(第2期);第163-165,194页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105932701A (en) | 2016-09-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Nejad et al. | Distributed load restoration in unbalanced active distribution systems | |
| US10873211B2 (en) | Systems and methods for dynamic power routing with behind-the-meter energy storage | |
| CN113196201B (en) | System of key data center and flexible data center behind instrument | |
| CN105932701B (en) | A kind of water-storage multicomputer shares SFC and starts high voltage auxiliary power Optimal Configuration Method | |
| CN103730908B (en) | Method for controlling energy storage converters in large-scale off-grid micro-grid | |
| Vasconcelos et al. | Advanced control solutions for operating isolated power systems: Examining the Portuguese islands | |
| CN106355293A (en) | Optimizing allocation method and device for spinning reserve capacity of regional power grid | |
| US20160084892A1 (en) | Method and a control unit for validating an electric power plant | |
| CN112736891B (en) | Power supply device of multi-electric control system of aircraft engine | |
| CN201750164U (en) | Multi-converter based wind generator set | |
| Nasr et al. | System performance in microgrids based hybrid PV systems | |
| CN102684190A (en) | Alternating-current power flow contained unit combination method efficient in solving | |
| CN104934966A (en) | Cloud-based micro-grid wide area coordination control system | |
| Shahid | A cyber-physical approach for stochastic hybrid control and safety verification of smart grids | |
| CN106208649B (en) | The failure reconfiguration method that parallel connection type current transformer is controlled based on virtual bridge arm | |
| Zhao et al. | A two-stage power distribution scheme of multiple wind farms participating in primary frequency regulation | |
| CN104704700A (en) | Method and controller for continuously operating a plurality of electric energy generating machines during a high voltage condition | |
| CN102148508B (en) | Application of power combination technology based on phase shift pulse-width modulation (PMW) control policy in photovoltaic grid-connected system | |
| Karapidakis et al. | Impact of increased RES generation on power systems dynamic performance | |
| CN102790391A (en) | Diesel oil power generation and gas triple-generation hybrid energy supply microgrid system and control method thereof | |
| Liu et al. | Survivability optimisation of communication network for demand response in source–grid–load system | |
| CN105932662A (en) | Large-scale photovoltaic DC serial boost system based on N-m equipment redundancy | |
| Osama et al. | A probabilistic approach for maximizing the islanding success of microgrids | |
| WO2018010903A1 (en) | Energy supply system for an isolated network | |
| CN112068502A (en) | Distributed energy multi-machine remote centralized control management system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20161021 Address after: 100031 Xicheng District, Chang'an Avenue, No. 86, Applicant after: State Grid Corporation of China Applicant after: State Grid Xinyuan Co., Ltd. Applicant after: Wuhan University Applicant after: Hubei Bailianhe Pumped Storage Company Ltd. Address before: 430072 Hubei Province, Wuhan city Wuchang District of Wuhan University Luojiashan Applicant before: Wuhan University |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |