CN110336502A - Water-storage variable-ratio unit black starting-up AC excitation device and its control method - Google Patents
Water-storage variable-ratio unit black starting-up AC excitation device and its control method Download PDFInfo
- Publication number
- CN110336502A CN110336502A CN201910531063.2A CN201910531063A CN110336502A CN 110336502 A CN110336502 A CN 110336502A CN 201910531063 A CN201910531063 A CN 201910531063A CN 110336502 A CN110336502 A CN 110336502A
- Authority
- CN
- China
- Prior art keywords
- unit
- black starting
- module
- power module
- excitation
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/08—Control of generator circuit during starting or stopping of driving means, e.g. for initiating excitation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
The present invention discloses a kind of water-storage variable-ratio unit black starting-up AC excitation device, comprising: black starting-up auxiliary power module, including supplementary AC power supply, AC power source voltage transformation unit and the first rectification unit；Main exciting power module, including grid-side converter, DC link and generator-side converter wear；Pre-charge module, including the second rectification unit and current limiting unit；And black starting-up AC excitation control module, including sensor unit, control computing unit and output control unit.Such device can meet requirement of the water-storage variable-ratio unit black starting-up to AC excitation equipment and its control, realize variable-ratio unit black starting-up.The present invention also provides a kind of control methods of water-storage variable-ratio unit black starting-up AC excitation device.
Description
Technical field
The invention belongs to water-storage control technology field, in particular to a kind of water-storage variable-ratio unit black starting-up is handed over
Flow excitation unit and its control method.
Background technique
The generator motor of water-storage variable-ratio unit is variable speed machine, in the rotor magnetic pole coil of three-phase distribution
It is passed through three-phase AC excitation electric current, forms rotor rotating excitation field.The three-phase AC excitation electric current that variable-ratio unit uses is by exchanging
Energizing apparatus provides, and is mostly that voltage-source type hands over straight friendship type frequency converter.The pass of rotor field revolving speed No and rotor mechanical separator speed Nm
It is as follows:
No=Nm+Ne
The rotor field No---- revolving speed in formula
Nm---- rotor mechanical separator speed
Revolving speed of the rotor field that Ne---- is generated by AC excitation relative to rotor, is positive when identical as the steering of Nm,
Opposite is negative.
Change exciting current frequency, forms the rotating excitation field of a variable speed relative to rotor body rotation, this magnetic
The sum of field and rotor mechanical separator speed are 50Hz, and when unit draws water or generates electricity, power grid is 50Hz, and generating unit speed is variable
's.
It is all constant speed unit that China, which has hydroenergy storage station unit, and DCgenerator motor field equipment provides DC excitation electricity to rotor
Stream, the black starting-up energizing apparatus of constant speed unit and its control are mature.Variable-ratio unit there is no application at home, and black starting-up is handed over
Stream energizing apparatus and its control technology still belong to blank.
Summary of the invention
The purpose of the present invention is to provide a kind of water-storage variable-ratio unit black starting-up AC excitation device and its control
Method can meet requirement of the water-storage variable-ratio unit black starting-up to AC excitation equipment and its control, realize variable-ratio
Unit black starting-up.
Secondary objective of the invention, be to provide a kind of water-storage variable-ratio unit black starting-up AC excitation device and its
Control method can be held according to the supplementary AC power supply in the black starting-up AC excitation device provided in black starting-up auxiliary power module
Parameter selection method is measured, keeps it as small as possible under the premise of meeting variable units black starting-up requirement.
In order to achieve the above objectives, solution of the invention is:
A kind of water-storage variable-ratio unit black starting-up AC excitation device, comprising:
Black starting-up auxiliary power module, including supplementary AC power supply, AC power source voltage transformation unit and the first rectification unit；
Main exciting power module, including grid-side converter, DC link and generator-side converter wear；
Pre-charge module, including the second rectification unit and current limiting unit；And
Black starting-up AC excitation control module, including sensor unit, control computing unit and output control unit；
Wherein, the DC link of the first rectification unit output and main exciting power module in black starting-up auxiliary power module
Connection；Second rectification unit input side of pre-charge module and the AC power source voltage transformation unit in black starting-up auxiliary power module are defeated
Side connects out, and the current limiting unit outlet side of pre-charge module is connect with the DC link of main exciting power module；Black starting-up exchange
The sensor unit of excitation con-trol module is connect with main exciting power module, measures its grid-side converter AC-input voltage, electricity
Stream measures its generator-side converter wear output electric current, measures its DC link DC voltage；Sensor unit and black starting-up auxiliary power
The AC power source voltage transformation unit of module connects, and measures its output AC voltage；The stator of sensor unit and variable speed machine connects
It connects, measures its output voltage；Sensor unit is connect with variable-ratio generating unit speed signal source, measures generating unit speed；Sensor list
Aforementioned measurement parameter is sent into control computing unit and handled by member, and as follows by output control unit output: black starting-up exchanges
The output control unit of excitation con-trol module is connect with the grid-side converter of main exciting power module, and output net side PWM controls arteries and veins
It is flushed to grid-side converter；Output control unit is connect with generator-side converter wear, and output pusher side PWM controls pulse to generator-side converter wear；
Output control unit is connect with black starting-up auxiliary power module, controls the output switch division in its rectification unit；Output control
Unit is connect with pre-charge module, controls the output switch division in its current limiting unit；Output control unit and grid-connected switch are controlled
Circuit processed, the connection of field switch control loop.
The rated capacity S of supplementary AC power supply in above-mentioned black starting-up auxiliary power moduleGAIt is calculated as follows:
In formula, k is to build pressure coefficient, 0 < k < 1；IfNOFor variable speed machine zero load rated exciting current；nNFor variable-ratio electricity
Machine synchronous rotational speed；nSWhen carrying out black starting-up excitation for black starting-up auxiliary power module, stabilized (steady-state) speed value locating for variable-ratio unit,
Unit head value when the value is based on variable-ratio unit black starting-up is determined according to Turbines characteristic；Xr、RrRespectively rotor electricity
Anti-, rotor resistance.
The original edge voltage U of AC power source voltage transformation unit in above-mentioned black starting-up auxiliary power moduleT1, pay polygonal voltage UT2It presses
Formula calculates:
UT1=UGAN
In formula, UGANFor the voltage rating of supplementary AC power supply in black starting-up auxiliary power module；K is to build pressure coefficient, 0 < k
< 1；IfNOFor variable speed machine zero load rated exciting current；nNFor variable speed machine synchronous rotational speed；nSFor black starting-up auxiliary power
When module carries out black starting-up excitation, stabilized (steady-state) speed value locating for variable-ratio unit, the value is based on variable-ratio unit black starting-up opportunity
Group head value is determined according to Turbines characteristic；Xr、RrRespectively rotor reactance, rotor resistance；M1For main exciting power mould
The index of modulation of generator-side converter wear in block.
A kind of foregoing control method of water-storage variable-ratio unit black starting-up AC excitation device, including it is as follows
Step:
Step 1, whether detection generating unit speed is nS, it is to go to step 2, otherwise continues to test；
Step 2, black starting-up AC excitation control module starts to receive black starting-up order, and starting black starting-up is auxiliary after receiving order
The supplementary AC power supply in power module is helped, and judges that accessory power supply output voltage is normal, normally then goes to step 3；
Step 3, black starting-up AC excitation control module is issued to pre-charge module closes output switch order, by pre-charge module
Start to charge to the DC link of main exciting power module；
Step 4, black starting-up AC excitation control module judges whether DC tache voltage has arrived setting value UDCS, to setting
Definite value UDCSAfterwards, it issues a point output switch to pre-charge module to enable, to stop charging；It issues and closes to black starting-up auxiliary power module
Output switch enables, and maintaining the DC voltage of DC link in main exciting power module is UDCS；
Step 5, the locking of black starting-up AC excitation control module is output to the PWM of grid-side converter in main exciting power module
Pulse；Black starting-up AC excitation control module exports the pwm pulse of generator-side converter wear, controls generator-side converter wear for DC link
DC voltage inversion is the excitation voltage of motor, carries out excitation to variable speed electric motors, particularly group rotor, establishes stator voltage UG；
Step 6, black starting-up AC excitation control module real-time monitoring stator voltage UGValue, when
UG=kUGN
When, successively issue that the conjunction of grid-connected switch enables, field switch closes order, UGNFor variable speed electric motors, particularly stator voltage rating；K is to build pressure
Coefficient, 0 < k < 1；
Step 7, make black starting-up AC excitation control module to maintain DC link DC voltage value UNDCS1As control
Target controls grid-side converter, the open pwm pulse for being output to grid-side converter in main exciting power module；
Step 8, black starting-up AC excitation control module issues output switch point to black starting-up auxiliary power module and enables, and stops
Only black starting-up auxiliary power module is run；
Step 9, black starting-up AC excitation control module controls the grid-side converter in main exciting power module, controls direct current
Link DC voltage value is UNDCS2；
Step 10, black starting-up AC excitation control module continues to control generator-side converter wear output, by stator voltage UGIt is raised to
UGN, complete variable units black starting-up.
In above-mentioned steps 7, UNDCS1Value as the following formula:
UNDCS1=jUDCS
Wherein j > 1.
In above-mentioned steps 9, UNDCS2Value as the following formula:
In formula, M2For the index of modulation of generator-side converter wear in main exciting power module, 0.5~0.7 is taken；IfNOFor variable-ratio
Empty load of motor rated exciting current；nNFor variable speed machine synchronous rotational speed；nSBlack starting-up is carried out for black starting-up auxiliary power module to encourage
When magnetic, stabilized (steady-state) speed value locating for variable-ratio unit, the value is based on unit head value when variable-ratio unit black starting-up, according to unit
Turbine Behavior determines；Xr、RrRespectively rotor reactance, rotor resistance.
After adopting the above scheme, the present invention meets water-storage variable-ratio unit black starting-up to AC excitation equipment and its control
The requirement of system, in grid power blackout, by black starting-up auxiliary power module to main exciting power module for power supply, by black starting-up
AC excitation control module controls main exciting power unit output rotor voltage, and under unit rotation condition, stator can be established
Voltage realizes variable-ratio unit black starting-up；It provides in black starting-up AC excitation device in black starting-up auxiliary power module simultaneously
Supplementary AC power supply capacity parameter selection method, so that it is as small as possible under the premise of meeting variable units black starting-up requirement.
Detailed description of the invention
Fig. 1 is water-storage variable-ratio unit black starting-up AC excitation device composition figure of the present invention；
Fig. 2 is water-storage variable-ratio unit black starting-up AC excitation device control flow chart of the present invention.
Specific embodiment
Below with reference to attached drawing, technical solution of the present invention and beneficial effect are described in detail.
As shown in Figure 1, the present invention provides a kind of water-storage variable-ratio unit black starting-up AC excitation device, black starting-up is handed over
Flowing excitation unit includes: black starting-up auxiliary power module, by supplementary AC power supply, AC power source voltage transformation unit and rectification unit 1
Composition, exciting power needed for establishing initial stator voltage is provided for variable-ratio unit, after initial stator voltage is established, is passed through
Output in rectification unit 1 switchs separating brake, and black starting-up auxiliary power module is exited；Main exciting power module, by net side unsteady flow
Device, DC link, generator-side converter wear composition provide stator voltage for unit and continue after black starting-up auxiliary power module exits
Exciting power needed for rising；Pre-charge module is made of rectification unit 2 and current limiting unit, for straight to main exciting power module
The capacitor charging in link is flowed, after being charged to setting value, separating brake is switched by the output in current limiting unit, pre-charge module is moved back
Out；Black starting-up AC excitation control module, by sensor unit, control computing unit and output control unit form, for pair
The control of black starting-up auxiliary power module, main exciting power module, pre-charge module, to realize the black starting-up control of unit.
The output of rectification unit 1 in black starting-up auxiliary power module is connect with the DC link of main exciting power module；In advance
2 input side of rectification unit of charging module is connect with the AC power source voltage transformation unit outlet side in black starting-up auxiliary power module,
The current limiting unit outlet side of pre-charge module is connect with the DC link of main exciting power module；Black starting-up AC excitation control mould
The sensor unit of block is connect with main exciting power module, is measured its grid-side converter AC-input voltage, electric current, is measured its machine
Side output current of converter measures its DC link DC voltage；Sensor unit is exchanged with black starting-up auxiliary power module
The connection of power supply voltage transformation unit, measures its output AC voltage；The connection of the stator of sensor unit and variable speed machine, it is defeated to measure its
Voltage out；Sensor unit is connect with variable-ratio generating unit speed signal source, measures generating unit speed；Black starting-up AC excitation control mould
The output control unit of block is connect with the grid-side converter of main exciting power module, and output net side PWM controls pulse and becomes to net side
Flow device；Output control unit is connect with generator-side converter wear, and output pusher side PWM controls pulse to generator-side converter wear；Output control is single
Member is connect with black starting-up auxiliary power module, controls the output switch division in its rectification unit 1；Output control unit and preliminary filling
Electric module connection controls the output switch division in its current limiting unit；Output control unit and grid-connected switch control circuit, excitation
Switch control circuit connection.
Specific embodiment is as follows:
Firstly, carrying out main equipment parameters calculating by the following method.
Supplementary AC power parameter in black starting-up auxiliary power module, carries out calculating selection in this way:
(1) voltage rating UGAN: it is selected according to the common rated value of optional power supply, such as 400V；
(2) rated capacity SGAIt is calculated as follows:
In formula, k is to build pressure coefficient, to make SGABefore meeting variable units black starting-up to supplementary AC power supply capacity requirement
Put as small as possible, k value is 0.2~0.3, takes 0.2 in the present embodiment；IfNOFor variable speed machine zero load rated exciting current；
nNFor variable speed machine synchronous rotational speed；nSWhen carrying out black starting-up excitation for black starting-up auxiliary power module, locating for variable-ratio unit
Stabilized (steady-state) speed value, unit head value when the value is based on variable-ratio unit black starting-up are determined according to Turbines characteristic；Xr、RrPoint
It Wei not rotor reactance, rotor resistance.
AC power source voltage transformation unit original edge voltage U in black starting-up auxiliary power moduleT1, pay polygonal voltage UT2It is calculated as follows:
UT1=UGAN
In formula, M1For the index of modulation of generator-side converter wear in main exciting power module, 0.9 is taken.
As shown in Fig. 2, water-storage variable-ratio unit black starting-up AC excitation device, realizes according to method control as follows and becomes
Fast unit black starting-up:
(1) whether detection generating unit speed is nS；
(2) when generating unit speed is nSWhen, black starting-up AC excitation control module starts to receive black starting-up order, receives order
Start the supplementary AC power supply in black starting-up auxiliary power module afterwards, and judges that accessory power supply output voltage is normal；
(3) black starting-up AC excitation control module is issued to pre-charge module closes output switch order, is opened by pre-charge module
Begin to charge to the DC link of main exciting power module；
(4) black starting-up AC excitation control module judges whether DC tache voltage has arrived setting value UDCS, arrive setting value
UDCSAfterwards, it issues a point output switch to pre-charge module to enable, to stop charging；It is issued to black starting-up auxiliary power module and closes output
Switch enables, and maintaining the DC voltage of DC link in main exciting power module is UDCS；
(5) locking of black starting-up AC excitation control module is output to the PWM arteries and veins of grid-side converter in main exciting power module
Punching；Black starting-up AC excitation control module exports the pwm pulse of generator-side converter wear, controls generator-side converter wear for the straight of DC link
It is the excitation voltage of motor that galvanic electricity, which presses inversion, carries out excitation to variable speed electric motors, particularly group rotor, establishes stator voltage UG；
(6) black starting-up AC excitation control module real-time monitoring stator voltage UGValue, when
UG=kUGNFormula is 3.
When, successively issue that the conjunction of grid-connected switch enables, field switch closes order, UGNFor variable speed electric motors, particularly stator voltage rating；
(7) make black starting-up AC excitation control module to maintain DC link DC voltage value UNDCS1As control mesh
Mark, controls grid-side converter, the open pwm pulse for being output to grid-side converter in main exciting power module, UNDCS1It presses
Following formula value:
UNDCS1=jUDCSFormula is 4.
Wherein j > 1, generally takes j=1.05；
(8) black starting-up AC excitation control module issues output switch point to black starting-up auxiliary power module and enables, and stops
The operation of black starting-up auxiliary power module；
(9) black starting-up AC excitation control module controls the grid-side converter in main exciting power module, controls direct current ring
Section DC voltage value is UNDCS2, UNDCS2Value as the following formula:
In formula, M2For the index of modulation of generator-side converter wear in main exciting power module, 0.5~0.7 is taken, is taken in the present embodiment
0.5；
(10) black starting-up AC excitation control module continues to control generator-side converter wear output, by stator voltage UGIt is raised to UGN,
Complete variable units black starting-up.
The above examples only illustrate the technical idea of the present invention, and this does not limit the scope of protection of the present invention, all
According to the technical idea provided by the invention, any changes made on the basis of the technical scheme each falls within the scope of the present invention
Within.
Claims (6)
1. a kind of water-storage variable-ratio unit black starting-up AC excitation device, characterized by comprising:
Black starting-up auxiliary power module, including supplementary AC power supply, AC power source voltage transformation unit and the first rectification unit；
Main exciting power module, including grid-side converter, DC link and generator-side converter wear；
Pre-charge module, including the second rectification unit and current limiting unit；And
Black starting-up AC excitation control module, including sensor unit, control computing unit and output control unit；
Wherein, the DC link of the first rectification unit output in black starting-up auxiliary power module and main exciting power module connects
It connects；Second rectification unit input side of pre-charge module and the AC power source voltage transformation unit in black starting-up auxiliary power module export
Side connection, the current limiting unit outlet side of pre-charge module are connect with the DC link of main exciting power module；Black starting-up exchange is encouraged
The sensor unit of magnetic control module is connect with main exciting power module, measures its grid-side converter AC-input voltage, electric current,
Its generator-side converter wear output electric current is measured, its DC link DC voltage is measured；Sensor unit and black starting-up auxiliary power mould
The AC power source voltage transformation unit of block connects, and measures its output AC voltage；The connection of the stator of sensor unit and variable speed machine,
Measure its output voltage；Sensor unit is connect with variable-ratio generating unit speed signal source, measures generating unit speed；Sensor unit will
Aforementioned measurement parameter is sent into control computing unit and is handled, and as follows by output control unit output: black starting-up AC excitation
The output control unit of control module is connect with the grid-side converter of main exciting power module, and output net side PWM control pulse is arrived
Grid-side converter；Output control unit is connect with generator-side converter wear, and output pusher side PWM controls pulse to generator-side converter wear；Output
Control unit is connect with black starting-up auxiliary power module, controls the output switch division in its rectification unit；Output control unit
It is connect with pre-charge module, controls the output switch division in its current limiting unit；Output control unit and grid-connected switch control are returned
Road, the connection of field switch control loop.
2. water-storage variable-ratio unit black starting-up AC excitation device as described in claim 1, it is characterised in that: described black
Start the rated capacity S of supplementary AC power supply in auxiliary power moduleGAIt is calculated as follows:
In formula, k is to build pressure coefficient, 0 < k < 1；IfNOFor variable speed machine zero load rated exciting current；nNIt is same for variable speed machine
Walk revolving speed；nSWhen carrying out black starting-up excitation for black starting-up auxiliary power module, stabilized (steady-state) speed value locating for variable-ratio unit, the value
Unit head value when based on variable-ratio unit black starting-up is determined according to Turbines characteristic；Xr、RrRespectively rotor reactance, turn
Sub- resistance.
3. water-storage variable-ratio unit black starting-up AC excitation device as described in claim 1, it is characterised in that: described black
Start the original edge voltage U of AC power source voltage transformation unit in auxiliary power moduleT1, pay polygonal voltage UT2It is calculated as follows:
UT1=UGAN
In formula, UGANFor the voltage rating of supplementary AC power supply in black starting-up auxiliary power module；K is to build pressure coefficient, 0 < k < 1；
IfNOFor variable speed machine zero load rated exciting current；nNFor variable speed machine synchronous rotational speed；nSFor black starting-up auxiliary power module
When carrying out black starting-up excitation, stabilized (steady-state) speed value locating for variable-ratio unit, the value is based on unit water when variable-ratio unit black starting-up
Header value is determined according to Turbines characteristic；Xr、RrRespectively rotor reactance, rotor resistance；M1For in main exciting power module
The index of modulation of generator-side converter wear.
4. a kind of control method of water-storage variable-ratio unit black starting-up AC excitation device as described in claim 1,
It is characterized in that including the following steps:
Step 1, whether detection generating unit speed is nS, it is to go to step 2, otherwise continues to test；
Step 2, black starting-up AC excitation control module starts to receive black starting-up order, receives starting black starting-up auxiliary function after order
Supplementary AC power supply in rate module, and judge that accessory power supply output voltage is normal；
Step 3, black starting-up AC excitation control module is issued to pre-charge module closes output switch order, by pre-charge module
It charges to the DC link of main exciting power module；
Step 4, black starting-up AC excitation control module judges whether DC tache voltage has arrived setting value UDCS, arrive setting value
UDCSAfterwards, it issues a point output switch to pre-charge module to enable, to stop charging；It is issued to black starting-up auxiliary power module and closes output
Switch enables, and maintaining the DC voltage of DC link in main exciting power module is UDCS；
Step 5, the locking of black starting-up AC excitation control module is output to the PWM arteries and veins of grid-side converter in main exciting power module
Punching；Black starting-up AC excitation control module exports the pwm pulse of generator-side converter wear, controls generator-side converter wear for the straight of DC link
It is the excitation voltage of motor that galvanic electricity, which presses inversion, carries out excitation to variable speed electric motors, particularly group rotor, establishes stator voltage UG；
Step 6, black starting-up AC excitation control module real-time monitoring stator voltage UGValue, when
UG=kUGN
When, the grid-connected switch conjunction of sending enables, field switch is closed and enabled, UGNFor variable speed electric motors, particularly stator voltage rating；K is to build pressure coefficient, 0 <
K < 1；
Step 7, make black starting-up AC excitation control module to maintain DC link DC voltage value UNDCS1As control target,
Grid-side converter is controlled, the open pwm pulse for being output to grid-side converter in main exciting power module；
Step 8, black starting-up AC excitation control module issues output switch point to black starting-up auxiliary power module and enables, and stops black
Start auxiliary power module operation；
Step 9, black starting-up AC excitation control module controls the grid-side converter in main exciting power module, controls DC link
DC voltage value is UNDCS2；
Step 10, black starting-up AC excitation control module continues to control generator-side converter wear output, by stator voltage UGIt is raised to UGN, complete
At variable units black starting-up.
5. control method as claimed in claim 4, it is characterised in that: in the step 7, UNDCS1Value as the following formula:
UNDCS1=jUDCS
Wherein j > 1.
6. control method as claimed in claim 4, it is characterised in that: in the step 9, UNDCS2Value as the following formula:
In formula, M2For the index of modulation of generator-side converter wear in main exciting power module, 0.5~0.7 is taken；IfNOFor variable speed machine sky
Carry rated exciting current；nNFor variable speed machine synchronous rotational speed；nSWhen carrying out black starting-up excitation for black starting-up auxiliary power module,
Stabilized (steady-state) speed value locating for variable-ratio unit, the value are based on unit head value when variable-ratio unit black starting-up, according to unit water wheels
Machine characteristic determines；Xr、RrRespectively rotor reactance, rotor resistance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910531063.2A CN110336502B (en) | 2019-06-19 | 2019-06-19 | Black-start alternating-current excitation device of pumped storage variable-speed unit and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910531063.2A CN110336502B (en) | 2019-06-19 | 2019-06-19 | Black-start alternating-current excitation device of pumped storage variable-speed unit and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110336502A true CN110336502A (en) | 2019-10-15 |
| CN110336502B CN110336502B (en) | 2021-03-30 |
Family
ID=68142584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910531063.2A Active CN110336502B (en) | 2019-06-19 | 2019-06-19 | Black-start alternating-current excitation device of pumped storage variable-speed unit and control method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110336502B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112910343A (en) * | 2021-01-08 | 2021-06-04 | 南京南瑞继保电气有限公司 | Bidirectional excitation loop of synchronous generator and synchronous generator set |
| CN114567012A (en) * | 2022-03-17 | 2022-05-31 | 南京南瑞继保电气有限公司 | Wind power direct current sending system and control method thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006296016A (en) * | 2005-04-06 | 2006-10-26 | Toshiba Corp | Starting control device and its method for diesel power generation facility |
| US20080296898A1 (en) * | 2007-05-30 | 2008-12-04 | Hitachi, Ltd. | Wind Power Generation System and Method of Controlling Power Converter |
| CN204156533U (en) * | 2014-04-25 | 2015-02-11 | 广东工业大学 | A kind of double-fed type pumped storage with self-starting function |
| CN204668967U (en) * | 2015-06-08 | 2015-09-23 | 华北电力大学 | A kind of wind energy turbine set participates in the control device of power grid"black-start" |
| JP2018129963A (en) * | 2017-02-09 | 2018-08-16 | 株式会社東芝 | Controller of power converter |
| CN109120206A (en) * | 2017-06-23 | 2019-01-01 | 中国电力工程顾问集团华东电力设计院有限公司 | The DC bus current control system of double feedback electric engine frequency conversion speed-adjusting system |
| EP3471231A1 (en) * | 2017-10-13 | 2019-04-17 | Ørsted Wind Power A/S | A method for black-starting an electrical grid |
| CN109861297A (en) * | 2019-04-11 | 2019-06-07 | 上海电机学院 | A kind of power system blackstart method based on grey wolf optimization algorithm |
-
2019
- 2019-06-19 CN CN201910531063.2A patent/CN110336502B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006296016A (en) * | 2005-04-06 | 2006-10-26 | Toshiba Corp | Starting control device and its method for diesel power generation facility |
| US20080296898A1 (en) * | 2007-05-30 | 2008-12-04 | Hitachi, Ltd. | Wind Power Generation System and Method of Controlling Power Converter |
| CN204156533U (en) * | 2014-04-25 | 2015-02-11 | 广东工业大学 | A kind of double-fed type pumped storage with self-starting function |
| CN204668967U (en) * | 2015-06-08 | 2015-09-23 | 华北电力大学 | A kind of wind energy turbine set participates in the control device of power grid"black-start" |
| JP2018129963A (en) * | 2017-02-09 | 2018-08-16 | 株式会社東芝 | Controller of power converter |
| CN109120206A (en) * | 2017-06-23 | 2019-01-01 | 中国电力工程顾问集团华东电力设计院有限公司 | The DC bus current control system of double feedback electric engine frequency conversion speed-adjusting system |
| EP3471231A1 (en) * | 2017-10-13 | 2019-04-17 | Ørsted Wind Power A/S | A method for black-starting an electrical grid |
| CN109861297A (en) * | 2019-04-11 | 2019-06-07 | 上海电机学院 | A kind of power system blackstart method based on grey wolf optimization algorithm |
Non-Patent Citations (2)
| Title |
|---|
| CHUNYI WANG 等: "Consideration of Pumped Storage as a Black-Start Source in Shandong Power Grid of China", 《IEEE PES ISGT ASIA 2012》 * |
| 大型抽水蓄能发电机组黑启动系统控制与通讯研究及设计: "大型抽水蓄能发电机组黑启动系统控制与通讯研究及设计", 《中国优秀硕士学位论文全文数据库（电子期刊） 工程科技Ⅱ辑》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112910343A (en) * | 2021-01-08 | 2021-06-04 | 南京南瑞继保电气有限公司 | Bidirectional excitation loop of synchronous generator and synchronous generator set |
| CN112910343B (en) * | 2021-01-08 | 2022-07-22 | 南京南瑞继保电气有限公司 | Bidirectional excitation loop of synchronous generator and synchronous generator set |
| CN114567012A (en) * | 2022-03-17 | 2022-05-31 | 南京南瑞继保电气有限公司 | Wind power direct current sending system and control method thereof |
| CN114567012B (en) * | 2022-03-17 | 2023-10-13 | 南京南瑞继保电气有限公司 | Wind power direct current sending-out system and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110336502B (en) | 2021-03-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2022077847A1 (en) | Virtual synchronous machine control method for hybrid microgrid mmc interconnected converter | |
| CN104953686B (en) | Control method for charge-discharge virtual synchronization motor for electromobile energy storage | |
| CN112217239B (en) | Energy storage electromechanical transient modeling method based on virtual synchronous generator technology | |
| CN110233500B (en) | Method for switching virtual synchronous generator off-grid to grid connection | |
| CN104660129B (en) | Switch reluctance wind driven generator control system and method | |
| CN102868346A (en) | Brushless doubly-fed motor excitation control system and control method using same | |
| CN105620706B (en) | Watercraft electric propulsion system with harmonics restraint and regenerative braking function and control method | |
| CN202889279U (en) | Brushless doubly fed motor excitation control device | |
| CN103323711B (en) | A kind of low-pressure grid-connection pick-up unit of distributed new electricity generation system and method | |
| CN104300581B (en) | A kind of seamless combining inverter with grid-connected some dynamic voltage compensation and method thereof | |
| CN108565878A (en) | Flywheel energy storage array control method for coordinating and device for micro-capacitance sensor island state | |
| CN110336502A (en) | Water-storage variable-ratio unit black starting-up AC excitation device and its control method | |
| CN113346559A (en) | Low-voltage ride-through power switching control method for direct-drive wind power system under extremely weak grid | |
| CN107069828A (en) | The virtual synchronous generator motor synchronizing control method adjusted in real time based on difference | |
| EP3579400B1 (en) | System and method for minimizing inrush of current during start-up of an electrical power system | |
| CN110176787B (en) | Load virtual synchronous machine control device and method with harmonic compensation function | |
| CN107925245B (en) | Power generation system for improving charging impact, load shedding and harmonic waves | |
| CN102290587A (en) | Redox flow cell simulation method and simulator | |
| CN111525828B (en) | Control method of bidirectional isolation type resonant power converter based on virtual synchronous motor | |
| CN206517328U (en) | Wind generator system | |
| CN101252277B (en) | Startup method of idle load long line | |
| Abo-Khalil et al. | Loss minimization control for doubly-fed induction generators in variable speed wind turbines | |
| Cortajarena et al. | Start up and control of a DFIG wind turbine test rig | |
| CN109193796A (en) | A kind of implementation method expanding virtual synchronous machine capacity | |
| CN106385210B (en) | Continuous current locomotive speed control unit and method based on flexible AC pressure regulation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |