CN206725667U - Grid power hardware-in―the-loop test system - Google Patents
Grid power hardware-in―the-loop test system Download PDFInfo
- Publication number
- CN206725667U CN206725667U CN201621360813.2U CN201621360813U CN206725667U CN 206725667 U CN206725667 U CN 206725667U CN 201621360813 U CN201621360813 U CN 201621360813U CN 206725667 U CN206725667 U CN 206725667U
- Authority
- CN
- China
- Prior art keywords
- circuit
- input
- output end
- power hardware
- modules
- 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
- 238000012360 testing method Methods 0.000 title claims abstract description 21
- 238000004088 simulation Methods 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims description 20
- 238000001514 detection method Methods 0.000 claims description 12
- 238000012545 processing Methods 0.000 claims description 11
- 230000005611 electricity Effects 0.000 abstract description 13
- 230000009286 beneficial effect Effects 0.000 abstract description 8
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013523 data management Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Abstract
A kind of grid power hardware-in―the-loop test system provided by the utility model, including measured power hardware, interface circuit and Simulation Control unit, the Simulation Control unit are connected by interface circuit with measured power hardware；The interface circuit includes AC/DC rectification modules, DC/AC inversion modules, the first closed loop control module, the second closed loop control module, inductance L1, resistance R1, soft start switch K1, switch K2 and filter circuit；The power device of wind-powered electricity generation can accurately be tested, the test of the peak power and active reactive of wind-powered electricity generation can accurately be controlled, so as to accurately test out the performance of wind power device, accurately controlled beneficial to being connected to the grid to wind energy, and then abandon wind, and strong adaptability beneficial to power network is reduced.
Description
Technical field
It the utility model is related to a kind of power network test equipment, more particularly to a kind of grid power hardware-in―the-loop test system.
Background technology
With the development of society, fossil energy is largely utilized and consumed, therefore, the new energy of searching replaces tradition
Fossil energy become people and solve energy crisis and the important topic preserved the ecological environment, therefore, in regenerative resource
Solar energy, wind energy and hydroelectric generation turn into the key that solves the above problems, wherein, the utilization of wind energy is now more and more general
Time, wind energy is generated electricity using Wind turbines, and Wind turbines are generally connected by electrical energy changer with power network, relative to biography
Unite the generating mould of synchronous unit, Synchronous generator, which generates electricity, has the basic and sufficient science of prolonged engineering experience to grind
Study carefully, influenceed yet with fluctuation of wind-power electricity generation etc., the performance of the power device of Wind turbines has to wind-electricity integration to pass
Important influence, therefore, how to understand the performance of the power device of power network, and ensure the stable electric energy of wind-power electricity generation output frequency
Become the key of wind-electricity integration, however, also being carried out in the prior art without a kind of efficient system to the power device of power network
Detection.
Utility model content
In view of this, in order to solve the above-mentioned technical problem, need badly and propose a kind of new power hardware detecting system.
A kind of grid power hardware-in―the-loop test system provided by the utility model, including measured power hardware, interface electricity
Road and Simulation Control unit, the Simulation Control unit are connected by interface circuit with measured power hardware；
The interface circuit includes AC/DC rectification modules, DC/AC inversion modules, the first closed loop control module, the second closed loop
Control module, inductance L1, resistance R1, soft start switch K1, switch K2 and filter circuit；
One end of the resistance R1 is connected with switch K2, and the other end for switching K2 is connected with power network bus, and resistance R1's is another
One end is connected by inductance L1 with the input of AC/DC rectification modules, and the output end and DC/AC of the AC/DC rectification modules are inverse
Become the input connection of module, the output end of the DC/AC inversion modules passes through wave filter and the input of measured power hardware
Connection, the soft start switch K1 and resistance R1 form parallel-connection structure, the input and resistance of first closed loop control module
R1 connects with switch K2 points of common connection, and the output end of the first closed loop control module connects with the control terminal of AC/DC rectification modules
Connect, the input of second closed loop control module is connected to the points of common connection of wave filter and measured power hardware, and second closes
The output end of ring control module is connected to the control terminal of DC/AC inversion modules, the control signal of the AC/DC rectification modules with
The output end connection of Simulation Control unit.
Further, in addition to collection feedback module, the collection feedback module include current detection circuit, the electric current inspection
The input of slowdown monitoring circuit is connected to the points of common connection between filter circuit and measured power hardware, the output of current detection circuit
End is connected with the feedback input end of Simulation Control unit.
Further, the Simulation Control unit includes Simulation Control main frame, pci bus, A/D convertor circuit and DA conversions
Circuit, the input of output end and DA change-over circuits that the Simulation Control main frame passes through pci bus and A/D convertor circuit connect
Connect, the input of the A/D convertor circuit is connected as the feedback input end of Simulation Control unit with current detection circuit, described
The output end of DA change-over circuits is connected with the control signal of DC/AC change-over circuits.
Further, first closed loop control module includes the first process chip, second processing chip, the 3rd processing core
Piece, the first AD Acquisition Circuit and voltage collection circuit, first process chip respectively with second processing chip and the 3rd
Chip communication connection is managed, the input of first process chip is connected with the output end of the first AD Acquisition Circuit, and described first
The input of AD Acquisition Circuit and the output end of voltage collection circuit connect, and the voltage collection circuit is used to gather power network bus
Voltage is simultaneously exported, and the control terminal of the output end of first process chip also with AC/DC rectification modules is connected.
Further, the filter circuit is LCL filter circuits.
The beneficial effects of the utility model：The power grid wind power device of the present invention, can be to wind-powered electricity generation in ring test system
Power device accurately tested, the test of the peak power and active reactive of wind-powered electricity generation can accurately be controlled, from
And the performance of wind power device is accurately tested out, and accurately controlled beneficial to being connected to the grid to wind energy, so it is electric beneficial to reducing
Net abandons wind, and strong adaptability.
Brief description of the drawings
The utility model is further described with reference to the accompanying drawings and examples：
Fig. 1 is circuit structure diagram of the present utility model.
Embodiment
Fig. 1 is circuit structure diagram of the present utility model, as illustrated, a kind of grid power hardware provided by the utility model
In ring test system, including measured power hardware, interface circuit and Simulation Control unit, the Simulation Control unit is by connecing
Mouth circuit is connected with measured power hardware；
The interface circuit includes AC/DC rectification modules, DC/AC inversion modules, the first closed loop control module, the second closed loop
Control module, inductance L1, resistance R1, soft start switch K1, switch K2 and filter circuit；
One end of the resistance R1 is connected with switch K2, and the other end for switching K2 is connected with power network bus, and resistance R1's is another
One end is connected by inductance L1 with the input of AC/DC rectification modules, and the output end and DC/AC of the AC/DC rectification modules are inverse
Become the input connection of module, the output end of the DC/AC inversion modules passes through wave filter and the input of measured power hardware
Connection, the soft start switch K1 and resistance R1 form parallel-connection structure, the input and resistance of first closed loop control module
R1 connects with switch K2 points of common connection, and the output end of the first closed loop control module connects with the control terminal of AC/DC rectification modules
Connect, the input of second closed loop control module is connected to the points of common connection of wave filter and measured power hardware, and second closes
The output end of ring control module is connected to the control terminal of DC/AC inversion modules, the control signal of the AC/DC rectification modules with
The output end connection of Simulation Control unit.
Wherein, power device of the present utility model refers to the primary equipment of wind-power electricity generation, such as wind-driven generator, transformation
Device etc.；By said structure, the power device of wind-powered electricity generation can accurately be tested, to the peak power of wind-powered electricity generation and can be had
The test that work(is idle is accurately controlled, and so as to accurately test out the performance of wind power device, is connected to the grid beneficial to wind energy
Accurately controlled, and then wind, and strong adaptability are abandoned beneficial to power network is reduced
In the present embodiment, in addition to collection feedback module, the collection feedback module include current detection circuit, the electricity
The input of current detection circuit is connected to the points of common connection between filter circuit and measured power hardware, current detection circuit
Output end is connected with the feedback input end of Simulation Control unit, the current collection circuit using existing current sensor or
Existing circuit, existing acquisition chip, such as MAX471 acquisition chips, MAX472 acquisition chips etc., by this structure,
The electric current that can be exported to test system is accurately gathered, and then the information such as the frequency of collecting test system, phase, and then shape
Into closed-loop control, beneficial to the performance of accurate measured power device.
In the present embodiment, the Simulation Control unit includes Simulation Control main frame, pci bus, A/D convertor circuit and DA
Change-over circuit, the input of output end and DA change-over circuits that the Simulation Control main frame passes through pci bus and A/D convertor circuit
End connection, the input of the A/D convertor circuit are connected as the feedback input end of Simulation Control unit with current detection circuit,
The output end of the DA change-over circuits is connected with the control signal of DC/AC change-over circuits, wherein A/D convertor circuit and DA conversions
Circuit uses existing circuit, such as ADS7805 chips, and DA change-over circuits use DAC0832 or TLV2543 chips.
In the present embodiment, first closed loop control module includes the first process chip, second processing chip, the 3rd processing
Chip, the first AD Acquisition Circuit and voltage collection circuit, first process chip respectively with second processing chip and the 3rd
Process chip communicates to connect, and the input of first process chip is connected with the output end of the first AD Acquisition Circuits, and described the
The input of one AD Acquisition Circuit and the output end of voltage collection circuit connect, and the voltage collection circuit is used to gather power network mother
Line voltage is simultaneously exported, and the control terminal of the output end of first process chip also with AC/DC rectification modules is connected, wherein, first
AD Acquisition Circuit uses AD7705 chips, wherein, second processing chip and the 3rd process chip use dsp chip, at second
Reason chip is used to carry out data management, algorithm control etc., and using CY37064 chips, the 3rd process chip is used to carry out man-machine friendship
Mutually, the parameter fitting that processing procedure is exported by display into curve and exports, using TMSC6000 chips, the first processing core
Piece uses CPLD chips, such as MAX7000E chips, wherein, the first process chip is used to carry out logic control to AC/DC rectification modules
System and protection control；Second closed loop control module is identical with the structure of the first closed loop control module, wherein, the second closed-loop control mould
Points of common connection between the input and filter circuit and measured power hardware of the voltage collection circuit of block, the second closed-loop control
The output end of first process chip of module is connected with the control terminal of DC/AC change-over circuits, the second closed loop control module and emulation
Control unit is used for the work for controlling DA/AC inversion modules together, so as to export stable electric energy, and then power device is carried out
Test.
In the present embodiment, the filter circuit is LCL filter circuits, wherein, the filter circuit by L2, L3 in Fig. 1 and
C1 is formed, wherein, inductance L3 and electric capacity C present high resistant and low-resistance characteristic to switch ripple current respectively, and the two is used cooperatively
It can realize the parallel shunt to high frequency ripple, and then ensure the effect of filtering by this structure, for filtering out higher hamonic wave,
So as to the performance parameter of accurate measured power device.
Finally illustrate, above example is only unrestricted to illustrate the technical solution of the utility model, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those within the art that, can be to this
The technical scheme of utility model is modified or equivalent substitution, without departing from the objective and model of technical solutions of the utility model
Enclose, it all should cover among right of the present utility model.
Claims (5)
- A kind of 1. grid power hardware-in―the-loop test system, it is characterised in that：Including measured power hardware, interface circuit and imitate True control unit, the Simulation Control unit are connected by interface circuit with measured power hardware；The interface circuit includes AC/DC rectification modules, DC/AC inversion modules, the first closed loop control module, the second closed-loop control Module, inductance L1, resistance R1, soft start switch K1, switch K2 and filter circuit；One end of the resistance R1 is connected with switch K2, and the other end for switching K2 is connected with power network bus, the resistance R1 other end It is connected by inductance L1 with the input of AC/DC rectification modules, output end and the DC/AC inversion moulds of the AC/DC rectification modules The input connection of block, the output end of the DC/AC inversion modules are connected by wave filter with the input of measured power hardware, The soft start switch K1 and resistance R1 form parallel-connection structure, the input of first closed loop control module and resistance R1 and open K2 points of common connection connection is closed, the output end of the first closed loop control module is connected with the control terminal of AC/DC rectification modules, described The input of second closed loop control module is connected to the points of common connection of wave filter and measured power hardware, the second closed-loop control mould The output end of block is connected to the control terminal of DC/AC inversion modules, the control signal and Simulation Control of the AC/DC rectification modules The output end connection of unit.
- 2. grid power hardware-in―the-loop test system according to claim 1, it is characterised in that：Also include collection feedback mould Block, the collection feedback module include current detection circuit, the input of the current detection circuit be connected to filter circuit with Points of common connection between measured power hardware, the output end of current detection circuit connect with the feedback input end of Simulation Control unit Connect.
- 3. grid power hardware-in―the-loop test system according to claim 2, it is characterised in that：The Simulation Control unit bag Include Simulation Control main frame, pci bus, A/D convertor circuit and DA change-over circuits, the Simulation Control main frame by pci bus with The output end of A/D convertor circuit and the input connection of DA change-over circuits, the input of the A/D convertor circuit are controlled as emulation The feedback input end of unit processed is connected with current detection circuit, output end and the DC/AC change-over circuits of the DA change-over circuits Control signal connects.
- 4. grid power hardware-in―the-loop test system according to claim 3, it is characterised in that：The first closed-loop control mould Block includes the first process chip, second processing chip, the 3rd process chip, the first AD Acquisition Circuit and voltage collection circuit, First process chip communicates to connect with second processing chip and the 3rd process chip respectively, first process chip it is defeated Enter end to be connected with the output end of the first AD Acquisition Circuit, the input of first AD Acquisition Circuit and voltage collection circuit it is defeated Go out end connection, the voltage collection circuit is used to gather power network busbar voltage and export, the output end of first process chip Control terminal also with AC/DC rectification modules is connected.
- 5. grid power hardware-in―the-loop test system according to claim 1, it is characterised in that：The filter circuit is LCL Filter circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621360813.2U CN206725667U (en) | 2016-12-12 | 2016-12-12 | Grid power hardware-in―the-loop test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621360813.2U CN206725667U (en) | 2016-12-12 | 2016-12-12 | Grid power hardware-in―the-loop test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206725667U true CN206725667U (en) | 2017-12-08 |
Family
ID=60499734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621360813.2U Active CN206725667U (en) | 2016-12-12 | 2016-12-12 | Grid power hardware-in―the-loop test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206725667U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106680624A (en) * | 2016-12-12 | 2017-05-17 | 国家电网公司 | In-loop test system of performance of power grid devices |
-
2016
- 2016-12-12 CN CN201621360813.2U patent/CN206725667U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106680624A (en) * | 2016-12-12 | 2017-05-17 | 国家电网公司 | In-loop test system of performance of power grid devices |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104467005B (en) | The control method of T-shaped three-level three-phase four-bridge arm grid-connected photovoltaic system | |
| CN101820230B (en) | High-frequency isolation type grid-connected inverter | |
| CN104135030B (en) | Flexible island grid-connection control device and method for smart power grids | |
| CN201608660U (en) | High-frequency isolation grid-connected inverter | |
| CN107579514B (en) | A kind of wind-light storage direct current power system and control method for offshore platform | |
| CN107086600A (en) | A kind of solar energy power generating three phase full bridge grid-connected inverting system | |
| CN103915856A (en) | Base station grid connected-charging photovoltaic micro-inverter system and control method thereof | |
| CN207251220U (en) | A kind of solar energy power generating three phase full bridge grid-connected inverting system | |
| CN101777776A (en) | Method for controlling intelligent PV grid-connected inverter based on synchro generator model | |
| CN206932191U (en) | Wind-light storage hybrid power system | |
| CN206725667U (en) | Grid power hardware-in―the-loop test system | |
| CN103475247A (en) | Active and reactive dispatchable control device of distributed photovoltaic power station | |
| CN106849154B (en) | Photovoltaic power station node harmonic voltage and harmonic source sensitivity relation analysis method | |
| CN110336302A (en) | Light storage joint grid-connected system and its control method with virtual synchronous characteristic | |
| CN202978320U (en) | Wind energy, solar energy and commercial power complementary electric vehicle charging station | |
| CN103326360A (en) | Real-time dynamic active harmonic compensation device for high voltage system | |
| CN108663604A (en) | A kind of inverter test platform | |
| CN107026475A (en) | A kind of distributed solar electricity generation system enters network control method | |
| CN106680624A (en) | In-loop test system of performance of power grid devices | |
| CN203871872U (en) | Ocean-energy hybrid supplementary power supply system | |
| CN203491921U (en) | Active and reactive dispatchable control device of distributed photovoltaic power station | |
| CN202309554U (en) | Photovoltaic grid-connected converter | |
| CN206640323U (en) | A kind of generation of electricity by new energy cooperating type energy storage inverter device | |
| CN206992712U (en) | The low voltage ride through device that a kind of energy storage combines with boosting | |
| CN206099360U (en) | Photovoltaic micro inverter based on XCore |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |