CN205750525U - Double-fed blower fan subsynchronous resonance hardware-in-the-loop test system - Google Patents
Double-fed blower fan subsynchronous resonance hardware-in-the-loop test system Download PDFInfo
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- CN205750525U CN205750525U CN201620686421.9U CN201620686421U CN205750525U CN 205750525 U CN205750525 U CN 205750525U CN 201620686421 U CN201620686421 U CN 201620686421U CN 205750525 U CN205750525 U CN 205750525U
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Abstract
The utility model discloses a kind of double-fed blower fan subsynchronous resonance hardware-in-the-loop test system, including: power electronics real-time simulation platform, described power electronics real-time simulation platform builds the real-timedigital simulation model including electrical network, wind farm device and double-fed Fan Equipment；Described real-timedigital simulation model is downloaded in the replicating machine of described power electronics real-time simulation platform after real time implementation；Double-fed controller of fan to be measured, by the input/output interface of described replicating machine, is attached with described real-timedigital simulation model.This utility model can realize double-fed blower fan subsynchronous resonance hardware-in-the-loop test with flexible and convenient, and actual close to engineering, makes test result more accurate.
Description
Technical field
This utility model relates to technical field of electric power, particularly relates to double-fed blower fan subsynchronous resonance hardware-in-the-loop test system
System.
Background technology
Wind-powered electricity generation has become the important component part of China's energy strategy.But owing to China's quite most wind-powered electricity generation concentrates on
The Northwests such as Xinjiang, Gansu, the Inner Mongol, and China's Energy Load center concentrates on the southeastern coastal areas, is therefore carrying out
High voltage, jumbo Transmission Mode must be taked during power transmission to realize " transferring electricity from the west to the east ".In view of newly-built transmission line of electricity institute
The construction costs brought, the problems such as corridor takies of transmitting electricity, the conveying capacity improving existing alternating current circuit has very important meaning
Justice.In transmission line of electricity, add series capacitor compensation can reduce line reactance, improve transmission system steady state stability limit and conveying
Ability.
Along with the development of transmission system, series capacitor compensation is more and more applied, and also achieves the most economic effect
Benefit.But this remote, Sub-synchronous Resonance that the power transmission mode of high series compensatnig degree may induce wind power system, thus shadow
Ring large-scale wind power base and the safe and stable operation of delivery system.At present, it is only to recognize wind power system from the most qualitative
There is the risk that subsynchronous resonance occurs when mending conveying by string, but there is no a set of effective quantitative measuring method and be
System.
At present wind-powered electricity generation subsynchronous resonance is analyzed main employing eigenvalue calculation and the method for time-domain-simulation, eigenvalue meter
Calculate and need the parameter that double-fed unit is detailed, it tends to be difficult to obtain；Time-domain-simulation generally uses the blower fan model of classics, does not consider
The blower fan of the different manufacturers different manifestations when subsynchronous resonance, and time-domain-simulation there are differences with practical situation, with engineering
Actual concordance needs to be checked.Therefore, also lacking one at present, to press close to engineering actual, practicable it can be considered that different
The subsynchronous resonance method of testing of producer's product differentiation and system.
Utility model content
This utility model embodiment provides a kind of double-fed blower fan subsynchronous resonance hardware-in-the-loop test system, in order to letter flexibly
Just double-fed blower fan subsynchronous resonance hardware-in-the-loop test is realized, and actual close to engineering, make test result more accurate, this pair
Feedback blower fan subsynchronous resonance hardware-in-the-loop test system includes:
Power electronics real-time simulation platform, described power electronics real-time simulation platform has been built and has been included that electrical network, wind energy turbine set set
Standby and the real-timedigital simulation model of double-fed Fan Equipment；Described real-timedigital simulation model is downloaded to described after real time implementation
In the replicating machine of power electronics real-time simulation platform；
Double-fed controller of fan to be measured, by the input/output interface of described replicating machine, with described real-timedigital simulation mould
Type is attached.
In one embodiment, described electrical network includes that infinitely great voltage, transmission line of electricity, transformator and string are mended.
In one embodiment, described wind farm device includes the transformator of wind energy turbine set and collects circuit.
In one embodiment, described double-fed Fan Equipment includes the axle system of Wind turbines, motor, main circuit of converter, guarantor
Protection circuit and filter branch.
In one embodiment, described real-timedigital simulation model output analog quantity include: line voltage, power network current,
Stator voltage, stator current, voltage on line side, net side blocks current, pusher side voltage, pusher side blocks current, DC bus-bar voltage,
Crowbar voltage and rotor speed one of them or combination in any.
In one embodiment, the digital quantity of described real-timedigital simulation model output includes: net side contactor switching signal
And/or excitation contactor switching signal.
In one embodiment, the digital quantity of described real-timedigital simulation mode input includes: net side converter IGBT pulse
Signal, pusher side current transformer IGBT pulse signal, net side contactor switching signal and excitation contactor switching signal one of them or
Combination in any.
In one embodiment, described power electronics real-time simulation platform includes RT-LAB.
In this utility model embodiment, enter by building real-timedigital simulation model at power electronics real-time simulation platform
Row double-fed blower fan subsynchronous resonance hardware-in-the-loop test, compared with the scheme of existing employing eigenvalue calculation, it is not necessary to obtain double-fed
The parameter that unit is detailed, i.e. may utilize power electronics real-time simulation platform and the double-fed controller of fan to be measured connected carries out reality
Time emulation, analyze double-fed blower fan subsynchronous resonance.
In this utility model embodiment, double-fed controller of fan to be measured to Digital Simulation and reality is combined, with existing
The subsynchronous resonance using time-domain-simulation method to measure double-fed blower fan mathematical model is compared, and digital simulation model can be according to different factories
Family carries out differentiation design, and is not only applicable to classical double-fed blower fan model, and considers in esse electrical network, wind-powered electricity generation
The links such as field device and double-fed Fan Equipment, can make test result more accurate；And consider actual double-fed air-blower control
The impact of device, can make test process actual closer to engineering, promotes the directive significance actual to engineering.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, required in embodiment being described below
Accompanying drawing to be used is briefly described, it should be apparent that, the accompanying drawing in describing below is only realities more of the present utility model
Execute example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to according to these accompanying drawings
Obtain other accompanying drawing.In the accompanying drawings:
Fig. 1 is the schematic diagram of double-fed blower fan subsynchronous resonance hardware-in-the-loop test system in this utility model embodiment；
Fig. 2 is double-fed blower fan subsynchronous resonance hardware-in-the-loop test system based on RT-LAB in this utility model embodiment
Instance graph；
Fig. 3 is to utilize double-fed blower fan subsynchronous resonance hardware-in-the-loop test system to carry out double-fed in this utility model embodiment
The schematic diagram of blower fan subsynchronous resonance hardware-in-the-loop test；
Fig. 4 is double-fed blower fan subsynchronous resonance hardware-in-the-loop test result subsynchronous resonance ripple in this utility model embodiment
Shape instance graph.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, the most right
This utility model embodiment is described in further details.Here, schematic description and description of the present utility model is used for solving
Release this utility model, but be not intended as restriction of the present utility model.
In order to flexible and convenient realize double-fed blower fan subsynchronous resonance hardware-in-the-loop test, and actual close to engineering, make survey
Test result is more accurate, and this utility model embodiment provides a kind of double-fed blower fan subsynchronous resonance hardware-in-the-loop test system, as
Shown in Fig. 1, this double-fed blower fan subsynchronous resonance hardware-in-the-loop test system may include that
Power electronics real-time simulation platform 1, power electronics real-time simulation platform 1 built include electrical network, wind farm device,
And the real-timedigital simulation model 11 of double-fed Fan Equipment；Real-timedigital simulation model 11 is downloaded to power electronics after real time implementation
In the replicating machine 12 of real-time simulation platform 1；
Double-fed controller of fan 2 to be measured, by the input/output interface 121 of replicating machine 12, with real-timedigital simulation model
11 are attached.
It is known that the double-fed blower fan subsynchronous resonance hardware-in-the-loop test system of this utility model embodiment, it is possible to real
The hardware-in-the-loop test of existing double-fed controller of fan, can arrange test condition and operation in real-timedigital simulation model flexibly
Operating mode, convenient and flexible operation, and use physical controller, more connect than prior art uses the scheme of Digital Simulation completely
Nearly engineering is actual.This test system is it can be considered that the impact of actual controller, it is achieved subsynchronous to different manufacturers double-fed blower fan
Resonance measurement.
This double-fed blower fan subsynchronous resonance hardware-in-the-loop test system in embodiment, can be in real-timedigital simulation model
Different operating conditions or amendment controller parameter etc. are set, test whether subsynchronous resonance can occur under different test conditions
And analyze the subsynchronous resonance feature under different test condition according to the response condition etc. of double-fed blower fan, thus surveyed by emulation
Double-fed blower fan subsynchronous resonance characteristic is comprehensively analyzed by examination.
When being embodied as, multiple power electronics real-time simulation platform can be used to realize double-fed blower fan subsynchronous resonance hardware
In ring test.Such as can carry out double-fed blower fan subsynchronous resonance hardware based on power electronics real-time simulation platforms such as RT-LAB to exist
Ring test.As a example by RT-LAB, can build in RT-LAB and include electrical network, wind farm device and double-fed Fan Equipment etc.
Real-timedigital simulation model, is taken the double-fed controller of fan of certain producer with at RT-LAB by the I/O interface of RT-LAB replicating machine
The real-timedigital simulation model built is connected, thus realizes the hardware-in-loop simulation system for the test of double-fed blower fan subsynchronous resonance
System, this system uses double-fed fan converter controller in kind and digital simulation model constitutes a closed loop system.
When being embodied as, the electrical network in real-timedigital simulation model can include infinitely great voltage, transmission line of electricity, transformator
And string benefit etc..When being embodied as, wind farm device can include the transformator of wind energy turbine set and collect circuit etc..When being embodied as,
Double-fed Fan Equipment can include axle system, motor, main circuit of converter, protection circuit and the filter branch etc. of Wind turbines.?
Real-timedigital simulation model can arrange specific operating condition, excite subsynchronous resonance to be analyzed.
Fig. 2 is double-fed blower fan subsynchronous resonance hardware-in-the-loop test system based on RT-LAB in this utility model embodiment
Instance graph.As in figure 2 it is shown, the real-timedigital simulation model built at RT-LAB includes representing the infinitely great voltage of bulk power grid, institute
The research transmission line of electricity of electrical network, transformator and string benefit etc., the transformator of wind energy turbine set and collect the equipment such as circuit, the axle of Wind turbines
The mathematical model of system, motor, main circuit of converter, protection circuit and filter branch etc..Real-timedigital simulation model is through real time implementation
After can be compiled into C code, and download in RT-LAB replicating machine.Be connected with real-timedigital simulation model in Fig. 2 is double
Feedback controller of fan is in kind, can use the product of the different manufacturers marketization, installs in the double-fed blower fan of scene operation
Controller consistent；The product developed can also be used to test.Controller material object and real-timedigital simulation model
It is attached by the I/O interface on RT-LAB replicating machine.Fig. 2 shows the transmission line on digital simulation model, voltage
Line, Wind turbines controller material object etc. are collected in source, blower fan, further it is shown that the output of replicating machine I/O interface or the 220KV voltage of input
Signal, set end voltage signal, machine end current signal and air-blower control signal.
When being embodied as, the analog quantity of real-timedigital simulation model output may include that line voltage, power network current, determines
Sub-voltage, stator current, voltage on line side, net side blocks current, pusher side voltage, pusher side blocks current, DC bus-bar voltage,
One of them or the combination in any such as Crowbar voltage and rotor speed.When being embodied as, the number of real-timedigital simulation model output
Word amount may include that net side contactor switching signal and/or excitation contactor switching signal etc..When being embodied as, real-time digital
The digital quantity of phantom input may include that net side converter IGBT pulse signal, pusher side current transformer IGBT pulse signal, net
One of them or the combination in any such as side contactor switching signal and excitation contactor switching signal.
Fig. 3 is to utilize double-fed blower fan subsynchronous resonance hardware-in-the-loop test system to carry out double-fed in this utility model embodiment
The schematic diagram of blower fan subsynchronous resonance hardware-in-the-loop test, as it is shown on figure 3, test process may include that
Step 301, at above-mentioned double-fed blower fan subsynchronous resonance hardware-in-the-loop test system access double-fed to be measured air-blower control
Device；
Step 302, by arranging operating condition or the parameter of double-fed controller of fan, excite double-fed blower fan subsynchronous resonance
Hardware-in-the-loop test system generation subsynchronous resonance；
Step 303, the voltage extracting double-fed blower fan subsynchronous resonance hardware-in-the-loop test system and current signal, analyze double
The subsynchronous resonance feature of feedback blower fan subsynchronous resonance hardware-in-the-loop test system；
Step 304, change operating condition or the parameter of double-fed controller of fan, repeat above-mentioned excite subsynchronous resonance and point
The process of analysis subsynchronous resonance feature.
During as it was previously stated, this utility model embodiment carries out double-fed blower fan subsynchronous resonance hardware-in-the-loop test, by reality
Double-fed controller of fan be linked in above-mentioned double-fed blower fan subsynchronous resonance hardware-in-the-loop test system, make test result and work
Cheng Shiji is more closely, turn avoid the limitation of on-the-spot test.Can be to different manufacturers controller in subsynchronous resonance conditions
Under response condition test, it is simple to assess the risk of its subsynchronous resonance, delimit subsynchronous resonance stability boundaris.
As an example, the testing procedure of double-fed blower fan subsynchronous resonance can be such that
1. utilize double-fed blower fan subsynchronous resonance hardware-in-the-loop test system above, access double-fed air-blower control to be measured
Device.
2. by arranging specific operating condition or controller parameter etc., double-fed blower fan subsynchronous resonance hardware in loop is excited
Test system subsynchronous resonance.
3. extract the electric parameters such as voltage, electric current, analyze subsynchronous resonance feature.
4. changing emulation operating mode or controller parameter etc., test double-fed blower fan subsynchronous resonance hardware-in-the-loop test system exists
Whether subsynchronous resonance feature under subsynchronous resonance and different condition can occur under different condition.By emulation testing to double
The subsynchronous resonance characteristic of feedback blower fan subsynchronous resonance hardware-in-the-loop test system is comprehensively analyzed.
When being embodied as, by arranging operating condition, double-fed blower fan subsynchronous resonance hardware-in-the-loop test system is excited to send out
Raw subsynchronous resonance can use various ways, for example, it is possible to by putting into the series connection on circuit at real-timedigital simulation model
Compensate electric capacity, excite double-fed blower fan subsynchronous resonance hardware-in-the-loop test system generation subsynchronous resonance.Can be first in embodiment
First the string in real-timedigital simulation model is mended short circuit, double-fed blower fan is received and does not comprises the real-timedigital simulation model that string is mended,
After stable, put into string and mend, excite subsynchronous resonance.And for example, can excite double by reducing the wind speed in emulation operating mode
Feedback blower fan subsynchronous resonance hardware-in-the-loop test system generation subsynchronous resonance.Or, thus it is possible to vary emulation operating mode in grid-connected
Blower fan number of units to grid-connected blower fan number of units in set point time, excite double-fed blower fan subsynchronous resonance hardware-in-the-loop test system to send out
Raw subsynchronous resonance.When grid-connected blower fan number of units is in a certain particular range, system damping is worst, is easiest to occur subsynchronous humorous
Shake.
When being embodied as, by arranging the parameter of double-fed controller of fan, double-fed blower fan subsynchronous resonance hardware is excited to exist
Ring test system generation subsynchronous resonance can also use various ways, such as, by arranging inside and outside pusher side and net side converter
Ring controls parameter, excites double-fed blower fan subsynchronous resonance hardware-in-the-loop test system generation subsynchronous resonance.Such as, by arranging
Pusher side current transformer current inner loop proportionality coefficient exceedes setting value, excites double-fed blower fan subsynchronous resonance hardware-in-the-loop test system to send out
Raw subsynchronous resonance.When pusher side current transformer current inner loop proportionality coefficient is bigger, double-fed blower fan negative damping absolute value is relatively big, more holds
Easily there is subsynchronous resonance.
As an example, utilize above-mentioned double-fed blower fan subsynchronous resonance hardware-in-the-loop test system, access certain main flow unsteady flow domestic
The 2MW double-fed controller of fan of device controller producer, the subsynchronous resonance waveform obtained under specific operation is as shown in Figure 4.
In sum, in this utility model embodiment, by building real-time digital at power electronics real-time simulation platform
Phantom carries out double-fed blower fan subsynchronous resonance hardware-in-the-loop test, compared with the scheme of existing employing eigenvalue calculation, nothing
The parameter that double-fed unit is detailed need to be obtained, i.e. may utilize power electronics real-time simulation platform and the double-fed blower fan control to be measured connected
Device processed carries out real-time simulation, analyzes double-fed blower fan subsynchronous resonance.
In this utility model embodiment, double-fed controller of fan to be measured to Digital Simulation and reality is combined, with existing
The subsynchronous resonance using time-domain-simulation method to measure double-fed blower fan mathematical model is compared, and digital simulation model can be according to different factories
Family carries out differentiation design, and is not only applicable to classical double-fed blower fan model, and considers in esse electrical network, wind-powered electricity generation
The links such as field device and double-fed Fan Equipment, can make test result more accurate；And consider actual double-fed air-blower control
The impact of device, can make test process actual closer to engineering, promotes the directive significance actual to engineering.
Particular embodiments described above, has carried out entering one to the purpose of this utility model, technical scheme and beneficial effect
Step describes in detail, be it should be understood that and the foregoing is only specific embodiment of the utility model, is not used to limit this
The protection domain of utility model, all within spirit of the present utility model and principle, any amendment, the equivalent made, change
Enter, within should be included in protection domain of the present utility model.
Claims (8)
1. a double-fed blower fan subsynchronous resonance hardware-in-the-loop test system, it is characterised in that including:
Power electronics real-time simulation platform, described power electronics real-time simulation platform built include electrical network, wind farm device and
The real-timedigital simulation model of double-fed Fan Equipment；Described real-timedigital simulation model is downloaded to described electric power electricity after real time implementation
In the replicating machine of sub-real-time simulation platform；
Double-fed controller of fan to be measured, by the input/output interface of described replicating machine, enters with described real-timedigital simulation model
Row connects.
2. double-fed blower fan subsynchronous resonance hardware-in-the-loop test system as claimed in claim 1, it is characterised in that described electrical network
Mend including infinitely great voltage, transmission line of electricity, transformator and string.
3. double-fed blower fan subsynchronous resonance hardware-in-the-loop test system as claimed in claim 1, it is characterised in that described wind-powered electricity generation
Field device includes the transformator of wind energy turbine set and collects circuit.
4. double-fed blower fan subsynchronous resonance hardware-in-the-loop test system as claimed in claim 1, it is characterised in that described double-fed
Fan Equipment includes axle system, motor, main circuit of converter, protection circuit and the filter branch of Wind turbines.
5. double-fed blower fan subsynchronous resonance hardware-in-the-loop test system as claimed in claim 1, it is characterised in that described in real time
The analog quantity of digital simulation model output includes: line voltage, power network current, stator voltage, stator current, voltage on line side, net
Side blocks current, pusher side voltage, pusher side blocks current, DC bus-bar voltage, Crowbar voltage and rotor speed one of them or
Combination in any.
6. double-fed blower fan subsynchronous resonance hardware-in-the-loop test system as claimed in claim 1, it is characterised in that described in real time
The digital quantity of digital simulation model output includes: net side contactor switching signal and/or excitation contactor switching signal.
7. double-fed blower fan subsynchronous resonance hardware-in-the-loop test system as claimed in claim 1, it is characterised in that described in real time
The digital quantity of digital simulation model input includes: net side converter IGBT pulse signal, pusher side current transformer IGBT pulse signal, net
Side contactor switching signal and excitation contactor switching signal one of them or combination in any.
8. the double-fed blower fan subsynchronous resonance hardware-in-the-loop test system as described in any one of claim 1 to 7, its feature exists
In, described power electronics real-time simulation platform includes RT-LAB.
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| CN201620686421.9U CN205750525U (en) | 2016-06-30 | 2016-06-30 | Double-fed blower fan subsynchronous resonance hardware-in-the-loop test system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106020168A (en) * | 2016-06-30 | 2016-10-12 | 华北电力科学研究院有限责任公司 | Doubly-fed wind turbine sub synchronous resonance hardware in-loop test system and method |
| CN108508360A (en) * | 2018-03-26 | 2018-09-07 | 华北电力科学研究院有限责任公司 | Based on RT-Lab Double-feed wind powers virtual synchronous generator performance test method and system |
-
2016
- 2016-06-30 CN CN201620686421.9U patent/CN205750525U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106020168A (en) * | 2016-06-30 | 2016-10-12 | 华北电力科学研究院有限责任公司 | Doubly-fed wind turbine sub synchronous resonance hardware in-loop test system and method |
| WO2018000733A1 (en) * | 2016-06-30 | 2018-01-04 | 华北电力科学研究院有限责任公司 | System and method for hardware-in-the-loop test of subsynchronous resonance of double-fed fan |
| CN106020168B (en) * | 2016-06-30 | 2018-06-15 | 华北电力科学研究院有限责任公司 | Double-fed wind turbine subsynchronous resonance hardware-in―the-loop test system and method |
| CN108508360A (en) * | 2018-03-26 | 2018-09-07 | 华北电力科学研究院有限责任公司 | Based on RT-Lab Double-feed wind powers virtual synchronous generator performance test method and system |
| CN108508360B (en) * | 2018-03-26 | 2024-05-10 | 华北电力科学研究院有限责任公司 | RT-Lab-based doubly-fed wind power virtual synchronous generator performance test method and system |
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