CN207114666U - A kind of high-voltage fence disturbs analogue means - Google Patents
A kind of high-voltage fence disturbs analogue means Download PDFInfo
- Publication number
- CN207114666U CN207114666U CN201721124144.3U CN201721124144U CN207114666U CN 207114666 U CN207114666 U CN 207114666U CN 201721124144 U CN201721124144 U CN 201721124144U CN 207114666 U CN207114666 U CN 207114666U
- Authority
- CN
- China
- Prior art keywords
- breaker
- input
- output end
- voltage fence
- transformer
- 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
Landscapes
- Inverter Devices (AREA)
Abstract
This application provides a kind of high-voltage fence to disturb analogue means, including：Breaker, four quadrant convertor, step-up transformer, output breaker and bypass breaker are inputted, wherein：The input of the input breaker is connected with high-voltage fence；The output end of the input breaker is connected with the input of the four quadrant convertor；The output end of the four quadrant convertor is connected with the input of the step-up transformer；The output end of the step-up transformer is connected with the input of the output breaker；The input of the bypass breaker is connected with the high-voltage fence, and the output end of the bypass breaker is connected with the input of the output breaker；The high-voltage fence disturbance analogue means that the application provides, it is capable of the abnormal disturbances of simulated high-pressure power network, such as voltage dip, voltage flicker, frequency fluctuation, and low-order harmonic content is higher etc., so as to solve the problems, such as that in the prior art high-voltage fence can not be carried out disturbance simulation.
Description
Technical field
The application is related to electric and electronic technical field, more particularly to a kind of high-voltage fence disturbance analogue means.
Background technology
In the western part in China or northern territory, the new energy such as photovoltaic resources and wind resource is very sufficient, therefore, with new
The energy is continually developed, and the installed capacity of these regional photovoltaic generations and wind-power electricity generation is increasing, voltage of grid entry point etc.
Level also more and more higher.But because the level of economic development in west area falls behind relatively, the basic electric power facility such as high-voltage fence
Stability and robustness relative deficiency, cause the quality of power supply of power network bad, power network often occurs that voltage dip, voltage dodge
Become, frequency fluctuation, and the abnormal disturbances situations such as low-order harmonic content is higher.
Although the grid-connection converter of photovoltaic power generation equipment and wind power plant has certain grid adaptability,
When power network abnormal disturbances beyond grid-connection converter accommodation when, photovoltaic DC-to-AC converter or blower fan will trigger the guarantor of itself
Protection mechanism, cause generating equipment installation off-grid and stop generating electricity, cause the waste of electric power resource and leaving unused for generating equipment.
In the prior art, adaptability of the grid-connection converter to grid disturbance can verify that by grid disturbance analogue means,
Reference frame is provided to improve the grid disturbance adaptability of grid-connection converter, still, grid disturbance simulation dress of the prior art
Put be single-phase 220V or three-phase 380V low pressure grade analogue means, therefore, with grid entry point voltage class constantly carry
Height, the grid disturbance analogue means of low pressure grade of the prior art can not meet the disturbance simulation need of high pressure rank power network
Ask.
Therefore it provides a kind of high-voltage fence disturbance analogue means, to solve in the prior art not carrying out high-voltage fence
The problem of disturbance simulation, turn into those skilled in the art's technical problem urgently to be resolved hurrily.
Utility model content
This application provides a kind of high-voltage fence to disturb analogue means, to solve problems of the prior art.
According to embodiments herein, there is provided a kind of high-voltage fence disturbs analogue means, including：Input breaker, four-quadrant
Current transformer, step-up transformer, output breaker and bypass breaker are limited, wherein:
The input of the input breaker is connected with high-voltage fence；The output end of the input breaker and the four-quadrant
Limit the input connection of current transformer；The output end of the four quadrant convertor is connected with the input of the step-up transformer；Institute
The output end for stating step-up transformer is connected with the input of the output breaker；The input of the bypass breaker with it is described
High-voltage fence is connected, and the output end of the bypass breaker is connected with the input of the output breaker.
Alternatively, the four quadrant convertor includes polyphase windings transformer and power inverter；The polyphase windings become
Depressor includes primary side winding and vice-side winding；The power inverter includes rectifier terminal and inversion end；The primary side winding and institute
State the output end connection of input breaker；The vice-side winding includes multigroup three-phase low-voltage winding, each low pressure winding pair
One power inverter should be set, and each low pressure winding is connected with the rectifier terminal of the power inverter；Each institute
The inversion end of power inverter is stated after triphase multilevel cascades, is exported to the input of the step-up transformer.
Alternatively, each it is additionally provided with filter between the output end of the low pressure winding and the rectifier terminal of the power inverter
Ripple inductance.
Alternatively, the vice-side winding of the polyphase windings transformer also includes tertiary coil.
Alternatively, the high-voltage fence disturbance analogue means also includes：Power supply is controlled, it is disconnected that the control power supply includes first
Road device, the second breaker, the first switching relay, power-supply filter, uninterrupted power source, the second switching relay, the 3rd open circuit
Device and high isolation transformer；The input of first breaker is connected with low-tension supply；The input of second breaker
It is connected with the tertiary coil；The output end of first breaker and the output end of second breaker are respectively with described
Two inputs connection of one switching relay；The output end of the first switching relay and the input of the power-supply filter
End connection；The output end of the power-supply filter is connected with the input of the uninterrupted power source；The uninterrupted power source it is defeated
Go out end to be connected with the input of the 3rd breaker；The output end of 3rd breaker and the original of the high isolation transformer
Sideline circle connection.
Alternatively, the control power supply also includes：Second switching relay；The second switching relay is arranged at described
Between uninterrupted power source and the 3rd breaker；Two inputs of the second switching relay respectively with it is described uninterrupted
The output end of power supply connects with the output end of the power-supply filter；The output end and the described 3rd of the second switching relay
The input connection of breaker.
From above technical scheme, this application provides a kind of high-voltage fence to disturb analogue means, including：Input open circuit
Device, four quadrant convertor, step-up transformer, output breaker and bypass breaker, wherein：The input of the input breaker
It is connected with high-voltage fence；The output end of the input breaker is connected with the input of the four quadrant convertor；The four-quadrant
The output end of limit current transformer is connected with the input of the step-up transformer；The output end of the step-up transformer and the output
The input connection of breaker；The input of the bypass breaker is connected with the high-voltage fence, the bypass breaker
Output end is connected with the input of the output breaker；The high-voltage fence disturbance analogue means that the application provides, can be simulated
The abnormal disturbances of high-voltage fence, such as voltage dip, voltage flicker, frequency fluctuation, and low-order harmonic content are higher etc., from
And solve the problems, such as that in the prior art high-voltage fence can not be carried out disturbance simulation.
Brief description of the drawings
In order to illustrate more clearly of the technical scheme of the application, letter will be made to the required accompanying drawing used in embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without having to pay creative labor,
Other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structured flowchart of high-voltage fence disturbance analogue means shown in the embodiment of the present application；
Fig. 2 is a kind of structural frames of high-voltage fence disturbance analogue means four quadrant convertor shown in the embodiment of the present application
Figure；
Fig. 3 is that a kind of high-voltage fence shown in the embodiment of the present application disturbs the structured flowchart that analogue means controls power supply；
Fig. 4 is that another high-voltage fence shown in the embodiment of the present application disturbs the structured flowchart that analogue means controls power supply；
Wherein：1- inputs breaker, 2- four quadrant convertors, 21- polyphase windings transformers, 211- primary side windings, 212-
Vice-side winding, 2121- low pressure windings, 2122- tertiary coils, 22- power inverters, 221- rectifier terminals, 222- inversions end, 23-
Filter inductance, 3- step-up transformers, 4- output breakers, 5- bypass breakers, 6- control power supplys, 61- low-tension supplies, 62- the
One breaker, the breakers of 63- second, 64- first switch relay, 65- power-supply filters, 66- uninterrupted power sources, 67- second
Switch relay, the breakers of 68- the 3rd, 69- high isolation transformers, 691- primary coils.
Embodiment
In order that those skilled in the art more fully understand the technical scheme in the application, it is real below in conjunction with the application
The accompanying drawing in example is applied, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described implementation
Example only some embodiments of the present application, rather than whole embodiments.It is common based on the embodiment in the application, this area
The every other embodiment that technical staff is obtained under the premise of creative work is not made, it should all belong to the application protection
Scope.
Referring to Fig. 1, for a kind of structured flowchart of high-voltage fence disturbance analogue means shown in the embodiment of the present application.
As shown in figure 1, a kind of high-voltage fence disturbance analogue means shown in the embodiment of the present application includes：Input breaker 1,
Four quadrant convertor 2, step-up transformer 3, output breaker 4 and bypass breaker 5.Because the high-voltage fence of the application disturbs mould
Intend device and be used for simulated high-pressure grid disturbance, and, disturb simulation as the high-voltage fence exemplarily, shown in the present embodiment
Device is applied in 35KV high-voltage fences, and therefore, in the present embodiment, input breaker 1 is using 35KV input breakers, four-quadrant
Limit current transformer 2 and use 10KV four quadrant convertors, step-up transformer 3 uses 10/35KV step-up transformers, and output breaker 4 is adopted
Breaker is exported with 35KV, bypass breaker 5 uses 35KV bypass breakers.
In the present embodiment, the input of 35KV input breakers and 35KV high-voltage fence connect, 35KV input breakers
Output end be connected with 10KV four quadrant convertors；Wherein, 35KV high-voltage fence provides high pressure for 10KV four quadrant convertors
Electric energy inputs, and 35KV input breakers are the electric energy switch that the application high-voltage fence disturbs analogue means, when 35KV inputs open circuit
When device closes a floodgate, 35KV high-voltage fence turns on 10KV four quadrant convertors, makes 10KV four quadrant convertors obtain coming from 35KV
High-voltage fence 35KV high voltage electric energies input；10KV four quadrant convertors possess simulation and produce line voltage and frequency disturbance
Ability, in the present embodiment, 10KV four quadrant convertors can produce 10KV disturbance output, the output of 10KV four quadrant convertors
End is connected with the input of 10/35KV step-up transformers, and the disturbance of 10KV caused by 10KV four quadrant convertors is exported via 10/
35KV step-up transformers are boosted disturbs output for 35KV high pressure, realizes the disturbance simulation to high-voltage fence；The present embodiment
In, 10/35KV step-up transformers output end is connected with the input of 35KV output breakers, and 35KV exports breaker as high pressure
The electric energy output switch of output is disturbed, when 35KV exports breaker closing, high pressure disturbance is exported from 35KV output breakers
Output end exports, when 35KV output breakers disconnect, no high pressure disturbance output.In addition, in the present embodiment, 35KV bypass open circuits
Device is used for the closure when the equipment of circuit where high-voltage fence disturbs analogue means carries out conventionally test, is introduced directly into circuit
35KV power network input, and, disconnected when high-voltage fence disturbance analogue means carries out grid disturbance simulation, make 35KV power network
Input is by 35KV inputs breaker, 10KV four quadrant convertors, 10/35KV step-up transformers and 35KV output breaker generations
Exported after high pressure disturbance.
Referring to Fig. 2, for a kind of knot of high-voltage fence disturbance analogue means four quadrant convertor 2 shown in the embodiment of the present application
Structure block diagram.As shown in Fig. 2 in one embodiment, four quadrant convertor 2 includes polyphase windings transformer 21 and power inverter
22；Polyphase windings transformer 21 includes primary side winding 211 and vice-side winding 212；Power inverter 22 includes rectifier terminal 221 and inverse
Become end 222；Primary side winding 211 is connected with inputting the output end of breaker 1；Vice-side winding 212 includes multigroup three-phase low-voltage winding
2121, each low pressure winding 2121 is correspondingly arranged a power inverter 22, each low pressure winding 2121 and power inverter 22
Rectifier terminal 221 connect；The inversion end 222 of each power inverter 22 is after triphase multilevel cascades, output to boosting transformation
The input of device 3.The four quadrant convertor used in the present embodiment is the 10KV four quadrant convertors with topological structure, including
One polyphase windings transformer 21 and 30 power inverters 22, wherein, polyphase windings transformer 21 includes primary side winding 211
With vice-side winding 212, power inverter 22 includes rectifier terminal 221 and inversion end 222.In the present embodiment, polyphase windings transformer
21 primary side winding 211 is connected with the output end of 35KV input breakers, when 35KV inputs breaker closing, 35KV high pressure
Power network provides high voltage electric energy and is input in primary side winding 211, when 35KV inputs breaker open operation, without electricity in primary side winding 211
Pressure input.In the present embodiment, vice-side winding 212 is made up of ten groups of three-phase low-voltage windings 2121, forms ten groups of outputs altogether, and every group defeated
Go out and exported comprising three-phase, per one power inverter 22 of corresponding connection is mutually exported, total needs to connect 30 power inverters
22；Corresponding with ten groups of three-phase outputs of low pressure winding 2121, power inverter 22 every three is one group, altogether ten groups.This reality
Apply in example, power inverter 22 adds the two-layer configuration of inversion using rectification, and each power inverter 22 includes rectifier terminal 221 and inverse
Become end 222, the rectifier terminal 221 of each power inverter 22 uses controlled rectification bridge-type structure, each low pressure winding 2121 and work(
The rectifier terminal 221 of rate converter 22 connects, and the use of the inversion end 222 H bridge type circuit structure of each power inverter 22, can incite somebody to action
DC inverter after rectifying conversion is exchange electricity output；In the present embodiment, as shown in Fig. 2 ten groups of power inverters 22 are defeated
Go out end using ten grades of cascaded topology connections of three-phase, the power inverter 22 per ten grades of cascaded topology connections of phase is ten single-phase work(
The inversion end 222 of rate converter 22 is in series, and carries out phase-shifting carrier wave modulation using SPWM (sinusoidal pulse width modulation) method, most
End form exports into three-phase voltage；Because cascade number is more, the equivalent switching frequency of four quadrant convertor 2 is very high, output voltage
Waveform can be in close proximity to sine wave, it is no longer necessary to using traditional LCL (inductor-capacitor-inductance) wave filters or LC (electricity
Sense-electric capacity) wave filter is filtered processing.
In another embodiment, the output end of each low pressure winding 2121 and the rectifier terminal 221 of power inverter 22 it
Between be additionally provided with filter inductance 23；Because the four quadrant convertor 2 shown in the embodiment of the present application has using ten grades of cascades of three-phase
Topology connection structure, cascade number is more, and the waveform of output voltage can be in close proximity to sine wave, it is no longer necessary to using traditional
LCL (inductor-capacitor-inductance) wave filters or LC (inductor-capacitor) wave filter are filtered processing；It is but defeated in order to improve
Go out the waveform of voltage, in the present embodiment, each low pressure winding 2121 output end and power inverter 22 rectifier terminal 221 it
Between filter inductance 23 is set, make the output voltage of four quadrant convertor 2 closer to sine wave.
In one embodiment, the vice-side winding 212 of polyphase windings transformer 21 also includes tertiary coil 2122, the 3rd line
Enclose for providing the control electric energy needed for four quadrant convertor 2.
Alternatively, a kind of high-voltage fence disturbance analogue means of the application also includes control power supply 6.
Fig. 3 is that a kind of high-voltage fence shown in the embodiment of the present application disturbs the structured flowchart that analogue means controls power supply 6, such as
Shown in Fig. 3, control power supply 6 include the first breaker 62, the second breaker 63, first switching relay 64, power-supply filter 65,
Uninterrupted power source 66, second switches relay 67, the 3rd breaker 68 and high isolation transformer 69；The input of first breaker 62
End is connected with low-tension supply 61；The input of second breaker 63 is connected with tertiary coil 2122；The output of first breaker 62
Two inputs of the output end of end and the second breaker 63 respectively with the first switching relay 64 are connected；First switching relay
64 output end is connected with the input of power-supply filter 65；The output end of power-supply filter 65 and the input of uninterrupted power source 66
End connection；The output end of uninterrupted power source 66 is connected with the input of the 3rd breaker 68；The output end of 3rd breaker 68 with
The primary coil 691 of high isolation transformer 69 connects.In the present embodiment, low-tension supply 61 forms dual power supply with tertiary coil 2122
Power supply plan, the first breaker 62 and the second breaker 63 control low-tension supply 61 and the break-make of tertiary coil 2122 respectively, the
One switching relay 64 is used for the switching selection being powered between low-tension supply 61 and tertiary coil 2122；Uninterrupted power source
66 and high isolation transformer 69 can isolate by the input side of power inverter 22 power supply or the direct current power taking of power inverter 22 it is big
The introduced interference of power rectification, inversion, improve power cell reliability.
Fig. 4 is that another high-voltage fence shown in the embodiment of the present application disturbs the structured flowchart that analogue means controls power supply 6,
As shown in figure 4, control power supply 6 also includes：Second switching relay 67；Second switching relay 67 is arranged at uninterrupted power source 66
And the 3rd between breaker 68；Two inputs output end and electricity with uninterrupted power source 66 respectively of second switching relay 67
The output end connection of source filter 65；The output end of second switching relay 67 is connected with the input of the 3rd breaker 68.This
In embodiment, second switching relay 67 have the function that bypass uninterrupted power source 66, when uninterrupted power source 66 due to maintenance or
Failure and other reasons lead to not in use, bypass uninterrupted power source 66 using the second switching relay 67, control can be made electric
Source 6 continues to run with.
In embodiments herein, the working method for controlling power supply 6 is：When the high-voltage fence that the application provides disturbs mould
When intending device progress low-pressure adjusting die trial plan, powered using low-tension supply 61, now, input breaker 1 disconnects, the first breaker 62
Closure, the second breaker 63 disconnect, and the first switching relay 64 switches to the side of low-tension supply 61；When need carry out high pressure simulation
When, input breaker 1 closes, and tertiary coil 2122 must be electric, and the first breaker 62 disconnects, and the second breaker 63 closes, and first cuts
Change relay 64 and switch to the side of tertiary coil 2122, control power supply 6 is powered using tertiary coil 2122.
From above technical scheme, this application provides a kind of high-voltage fence to disturb analogue means, including：Input open circuit
Device, four quadrant convertor, step-up transformer, output breaker and bypass breaker, wherein：The input of the input breaker
It is connected with high-voltage fence；The output end of the input breaker is connected with the input of the four quadrant convertor；The four-quadrant
The output end of limit current transformer is connected with the input of the step-up transformer；The output end of the step-up transformer and the output
The input connection of breaker；The input of the bypass breaker is connected with the high-voltage fence, the bypass breaker
Output end is connected with the input of the output breaker；The high-voltage fence disturbance analogue means that the application provides, can be simulated
The abnormal disturbances of high-voltage fence, such as voltage dip, voltage flicker, frequency fluctuation, and low-order harmonic content are higher etc., from
And solve the problems, such as that in the prior art high-voltage fence can not be carried out disturbance simulation.
It should be noted that herein, the relational terms of such as " first " and " second " or the like are used merely to one
Individual entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operate it
Between any this actual relation or order be present.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Cover including for nonexcludability, so that process, method, article or equipment including a series of elements not only include those
Key element, but also the other element including being not expressly set out, or also include for this process, method, article or set
Standby intrinsic key element.
Those skilled in the art will readily occur to the application after considering specification and putting into practice utility model disclosed herein
Other embodiments.The application is intended to any modification, purposes or the adaptations of the application, these modifications, uses
Way or adaptations follow the general principle of the application and including undocumented in the art known of the application
General knowledge or conventional techniques.Description and embodiments are considered only as exemplary, and the true scope of the application and spirit are under
The claim in face is pointed out.
It should be appreciated that the precision architecture that the application is not limited to be described above and is shown in the drawings, and
And various modifications and changes can be being carried out without departing from the scope.Scope of the present application is only limited by appended claim.
Claims (6)
1. a kind of high-voltage fence disturbs analogue means, it is characterised in that including：Input breaker (1), four quadrant convertor (2),
Step-up transformer (3), output breaker (4) and bypass breaker (5)；
The input of the input breaker (1) is connected with high-voltage fence；
The output end of the input breaker (1) is connected with the input of the four quadrant convertor (2)；
The output end of the four quadrant convertor (2) is connected with the input of the step-up transformer (3)；
The output end of the step-up transformer (3) is connected with the input of the output breaker (4)；
The input of the bypass breaker (5) is connected with the high-voltage fence, the output end of the bypass breaker (5) and institute
State the input connection of output breaker (4).
2. high-voltage fence according to claim 1 disturbs analogue means, it is characterised in that
The four quadrant convertor (2) includes polyphase windings transformer (21) and power inverter (22)；
The polyphase windings transformer (21) includes primary side winding (211) and vice-side winding (212)；
The power inverter (22) includes rectifier terminal (221) and inversion end (222)；
The primary side winding (211) is connected with the output end of the input breaker (1)；
The vice-side winding (212) includes multigroup three-phase low-voltage winding (2121), and each low pressure winding (2121) is corresponding to be set
A power inverter (22) is put, each low pressure winding (2121) and the rectifier terminal of the power inverter (22)
(221) connect；The inversion end (222) of each power inverter (22) is exported to institute after triphase multilevel cascades
State the input of step-up transformer (3).
3. high-voltage fence according to claim 2 disturbs analogue means, it is characterised in that
Each also set up between the output end of the low pressure winding (2121) and the rectifier terminal (221) of the power inverter (22)
There is filter inductance (23).
4. high-voltage fence according to claim 2 disturbs analogue means, it is characterised in that
The vice-side winding (212) of the polyphase windings transformer (21) also includes tertiary coil (2122).
5. high-voltage fence according to claim 4 disturbs analogue means, it is characterised in that
Also include：Control power supply (6)；
The control power supply (6) includes the first breaker (62), the second breaker (63), the first switching relay (64), power supply
Wave filter (65), uninterrupted power source (66), the second switching relay (67), the 3rd breaker (68) and high isolation transformer
(69)；
The input of first breaker (62) is connected with low-tension supply (61)；
The input of second breaker (63) is connected with the tertiary coil (2122)；
The output end of first breaker (62) and the output end of second breaker (63) switch with described first respectively
Two inputs connection of relay (64)；
The output end of the first switching relay (64) is connected with the input of the power-supply filter (65)；
The output end of the power-supply filter (65) is connected with the input of the uninterrupted power source (66)；
The output end of the uninterrupted power source (66) is connected with the input of the 3rd breaker (68)；
The output end of 3rd breaker (68) is connected with the primary coil (691) of the high isolation transformer (69).
6. high-voltage fence according to claim 5 disturbs analogue means, it is characterised in that
The control power supply (6) also includes：Second switching relay (67)；
The second switching relay (67) is arranged between the uninterrupted power source (66) and the 3rd breaker (68)；
Two inputs of the second switching relay (67) respectively with the output end of the uninterrupted power source (66) and described
The output end connection of power-supply filter (65)；
The output end of the second switching relay (67) is connected with the input of the 3rd breaker (68).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721124144.3U CN207114666U (en) | 2017-09-04 | 2017-09-04 | A kind of high-voltage fence disturbs analogue means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721124144.3U CN207114666U (en) | 2017-09-04 | 2017-09-04 | A kind of high-voltage fence disturbs analogue means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207114666U true CN207114666U (en) | 2018-03-16 |
Family
ID=61574502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721124144.3U Active CN207114666U (en) | 2017-09-04 | 2017-09-04 | A kind of high-voltage fence disturbs analogue means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207114666U (en) |
-
2017
- 2017-09-04 CN CN201721124144.3U patent/CN207114666U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107966626B (en) | Power module test system of power electronic transformer | |
| US9190920B2 (en) | H-bridge micro inverter grid-connected device | |
| Shah et al. | Stability design criteria for distribution systems with solid-state transformers | |
| CN104701868B (en) | A kind of current disturbing source of variable voltage level | |
| CN204967652U (en) | Subway energy feedback device | |
| Anzalchi et al. | High-penetration grid-tied photovoltaics: Analysis of power quality and feeder voltage profile | |
| CN101795080A (en) | Three-phase power electronics transformer for power distribution | |
| CN105717399B (en) | Grid adaptability test device | |
| Iov et al. | Uniflex-PM–a key-enabling technology for future European electricity networks | |
| CN103427425A (en) | Coordinated control device and method for MMC (modular multilevel converter) type unified power quality conditioner | |
| CN109980948A (en) | A kind of five port electric power electric transformer of three Coupling Between Phases | |
| CN205665322U (en) | Electric wire netting adaptability testing arrangement | |
| CN204720981U (en) | A kind of three phase network disturbing generating device | |
| Gupta et al. | Review of inverter control algorithms in Grid-integrated Solar Photovoltaic system | |
| Ali et al. | Comparative analysis of AC DC Microgrids for the Saudi Arabian distribution system | |
| CN105429472B (en) | A kind of star-angle type rectifier type high power DC booster converter and its control method | |
| CN207114666U (en) | A kind of high-voltage fence disturbs analogue means | |
| CN105553275B (en) | Six phase contravariant high power DC booster converters of one kind and its control method | |
| Martin-Arnedo et al. | Development and testing of a distribution electronic power transformer model | |
| CN107390074A (en) | A kind of high-voltage fence disturbs analogue means | |
| Kumar et al. | Grid tied inverters for renewable energy systems-a review | |
| Madichetty et al. | Modeling and design of solid state smart transformer for microgrid | |
| Joca et al. | Three-phase AC-DC solid-state transformer for low-voltage DC power distribution applications | |
| Jing et al. | Network topology and operation control of DC distribution network with AC DC converter | |
| Dias et al. | Power electronics in the context of renewables, power quality and smart grids |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |