CN205844504U - A kind of power model assay device - Google Patents
A kind of power model assay device Download PDFInfo
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- CN205844504U CN205844504U CN201620688235.9U CN201620688235U CN205844504U CN 205844504 U CN205844504 U CN 205844504U CN 201620688235 U CN201620688235 U CN 201620688235U CN 205844504 U CN205844504 U CN 205844504U
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- 238000003556 assay Methods 0.000 title claims abstract description 41
- 230000000295 complement effect Effects 0.000 claims abstract description 33
- 238000004146 energy storage Methods 0.000 claims abstract description 20
- 239000004065 semiconductor Substances 0.000 claims description 21
- 239000003990 capacitor Substances 0.000 claims description 19
- 230000007306 turnover Effects 0.000 claims description 10
- 230000002441 reversible effect Effects 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 4
- 230000035882 stress Effects 0.000 abstract description 20
- 230000008646 thermal stress Effects 0.000 abstract description 9
- 230000001052 transient effect Effects 0.000 abstract description 7
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 230000002459 sustained effect Effects 0.000 description 4
- 230000003068 static effect Effects 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- 101100509523 Mus musculus Krt6a gene Proteins 0.000 description 2
- TZOKWXICAOOITJ-UHFFFAOYSA-N [2-(2,4-dimethylphenyl)quinolin-4-yl]-(7-fluoro-2-methyl-3,4-dihydro-2h-quinolin-1-yl)methanone Chemical compound CC1CCC2=CC=C(F)C=C2N1C(=O)C(C1=CC=CC=C1N=1)=CC=1C1=CC=C(C)C=C1C TZOKWXICAOOITJ-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
Abstract
nullThis utility model relates to a kind of power model assay device，Comprise complementary energy power supply E、Charge power supply Ey、Steady-state reactance L、First short-circuit reactance L1、Second short-circuit reactance L2、Complementary energy switch Km、Valve charge switch Kv、Energy storage charge switch Kc、First short switch K1、Second short switch K2、Short circuit capacitance assembly C1 and two valve groups V，Each valve group V is composed in series by submodule M，One end of different valve groups V is joined directly together or is connected by reactance L、The other end is connected by reactance L，Reactance L2、Switch K2 and short circuit capacitance assembly C1 is in parallel with reactance L1 again after connecting，The series arm that after reactance L1 and switch K1 series connection, submodule M described with at least one in valve group V is composed in series again is in parallel，This device can voltage stress under equivalence reproduces actual steady state condition and transient operating mode at least one submodule M、Current stress and thermal stress etc..
Description
Technical field
This utility model relates to Tests at Steady State and the device of transient state operation test of a kind of electric power electronic module, specifically
Relate to a kind of power model assay device.
Background technology
Increasing high-power electric and electronic product is widely used in the construction of intelligent grid, becomes the modern whole world
The key technology of energy Internet technical field, particularly voltage source converter obtain extensively in direct current transportation and reactive-load compensation field
General application, conventional voltage source converter is mostly to be two level or three-level converter, along with the need of high-power electric and electronic product
Asking and develop toward voltage is higher, power capacity is bigger direction, two level or three Level Technology can not meet and day by day increased
Voltage and the demand of capacity, increasing high-power electric and electronic product uses modular multilevel topology, such as at high pressure
Flexible DC power transmission voltage source converter or chain static synchronous compensator many employings modular multilevel in high-power field are opened up
Flutter.
Modular multi-electrical-level voltage source current converter have economy, environmental protection, efficient, easy to use, control flexibly, harmonic wave is little,
The features such as the suitability is strong, can greatly reduce or save output filter circuit, can improve the quality of power supply well, apply to various
Occasion, and tradition transmission of electricity big especially for contaminative is difficult to the individual load solved.Therefore to modular multilevel voltage source
The submodule being mainly made up of Turn-off semiconductor device in inverter build the voltage stress same or like with actual condition,
The experimental enviroment such as current stress and thermal stress is the important tests means improving modular multi-electrical-level voltage source current converter reliability.
The electric and electronic power modules such as modular multi-electrical-level voltage source current converter submodule are carried out operation test be in order to
Checking submodule of long-term steady-state operation in actual condition is made in its suffered voltage stress, current stress and thermal stress etc.
Under with whether can stable operation, verify in maximum continuous operating load operating mode, maximum temporarily running overload operating mode, minimum straight
The submodule that stream voltage operating mode, overcurrent turn off under operating mode, short circuit current operating mode and electromagnetism interference operating mode is suffered at it
Whether meeting design requirement under the effect such as voltage stress, current stress and thermal stress, currently available technology is substantially in equivalence
Back-to-back miniaturization current conversion station test platform on equivalence reproduce long-term steady-state run the voltage stress suffered by submodule, electricity
Stream stress and thermal stress etc., but affected by the systematic parameter of the back-to-back miniaturization current conversion station test platform of equivalence, and equivalence is again
Now current conversion station be short-circuited fault time voltage stress, current stress and thermal stress etc. suffered by submodule extremely difficult even
It is not realize, is difficult to meet above-mentioned test requirements document simultaneously, and the back-to-back miniaturization current conversion station test of either equivalence is flat
Platform or the chain static synchronous compensator test platform of equivalence, all exist network system rated capacity and capacity of short circuit requirement
Height, simultaneously need to electric and electronic power module quantity many, the shortcomings such as empirical risk is big.
Utility model content
A kind of power model assay device that this utility model provides, can reproduce at least one power modules in equivalence
Voltage stress, current stress and thermal stress etc. under actual steady state condition and transient operating mode, can meet different capacity grade extremely
The test under steady state condition and transient operating mode of few power modules.
This utility model uses following proposal to realize:
1, a kind of power model assay device, it thes improvement is that, described power model assay device comprises complementary energy electricity
Source, charge power supply, steady-state reactance, the first short-circuit reactance, the second short-circuit reactance, complementary energy switch, valve charge switch, energy storage charging are opened
Pass, the first short switch, the second short switch, short circuit capacitance assembly and at least two valve group, each described valve group is by least one
Individual sub-block coupled in series forms, and between described different valve groups, one end is joined directly together or, the other end connected by described steady-state reactance
It is connected by described steady-state reactance, described second short-circuit reactance, described second short switch and the series connection of described short circuit capacitance assembly
After in parallel with described first short-circuit reactance again, described first short-circuit reactance and described first short switch series connection after again with described valve
The series arm that the described submodule of at least one in group is composed in series is in parallel.
It is wherein, in parallel with the described submodule in described valve group again after described complementary energy power supply and the switch series connection of described complementary energy,
Described charge power supply and described valve charge switch are in parallel with described valve group again after connecting, described charge power supply and described energy storage charging
Switch series connection after again with described short circuit capacitance modules in parallel.
Wherein, described submodule, comprise two turn-off semiconductor switches, two fly-wheel diodes, equal piezoelectricity
Resistance, a storage capacitor and sub-module protection parts, each described turn-off semiconductor switch and a described afterflow two
Pole pipe reverse parallel connection, said two turn-off semiconductor switch series connection after in parallel with described storage capacitor, described storage capacitor with
Described equalizing resistance is in parallel, at least one described sub-module protection parts of turn-off semiconductor switch in parallel one, described son
The two ends of module protection parts are the turnover line end of described submodule.
Wherein, the described submodule guard block in described submodule, comprise at least one protection IGCT and at least
One protection switch, described protection IGCT and described protection switch in parallel.
Wherein, the first described short switch or the second described short switch or described complementary energy switch or described valve
Charge switch or described energy storage charge switch, be mechanical switch or semiconductor switch.
Wherein, described short circuit capacitance assembly, is a short circuit capacitance.
The second embodiment of the described power model assay device that this utility model provides is, comprises multiple described
Valve group, be connected two-by-two by different described steady-state reactances respectively between different described valve groups, different is described
Connect for radiation between steady-state reactance.
The third embodiment of the described power model assay device that this utility model provides is, comprises multiple described
Valve group, be connected two-by-two by different described steady-state reactances respectively between different described valve groups, different is described
It is that annular connects between steady-state reactance.
4th kind of embodiment of the described power model assay device that this utility model provides is, comprises multiple described
First short-circuit reactance, different described first short-circuit reactances respectively with different described in first short switch series connection after distinguish again
The series arm being composed in series from least one the described submodule in different described valve groups is in parallel, each described first short circuit
Reactance respectively from different described second short-circuit reactances, described second short switch and described short circuit capacitance assembly connect after
Road is in parallel.
5th kind of embodiment of the described power model assay device that this utility model provides is, comprises multiple described
Complementary energy power supply, different described complementary energy power supplys respectively with different described in complementary energy switch series connection after the most respectively from different
Described submodule is in parallel.
6th kind of embodiment of the described power model assay device that this utility model provides is, comprises multiple described
Charge power supply, described charge power supply and described energy storage charge switch series connection after again with described short circuit capacitance modules in parallel, remaining
Different described charge power supplies respectively with different described in valve charge switch series connection after the most respectively from different described in
Valve group is in parallel.
7th kind of embodiment of the described power model assay device that this utility model provides is, described complementary energy electricity
Source and described charge power supply, merge into same power supply.
The second embodiment that the described valve group that this utility model provides is connected with described steady-state reactance is, described
Different valve groups between two ends be all by described steady-state reactance be connected.
The first described short-circuit reactance that this utility model provides, the first described short switch and described submodule are even
The second embodiment connect is, described first short-circuit reactance and described first short switch series connection after again with in described valve group
The series arm that at least one described submodule of part is composed in series is in parallel.
The second embodiment of the described submodule that this utility model provides is to comprise four turn-off semiconductors and open
Pass, four fly-wheel diodes, an equalizing resistance and a storage capacitor, each described turn-off semiconductor switch and an institute
Stating fly-wheel diode reverse parallel connection, described four turn-off semiconductors switch constitutes a full-bridge circuit, and described full-bridge circuit is straight
Stream end is in parallel with described storage capacitor, and described storage capacitor and described equalizing resistance are in parallel, and the exchange end of described full-bridge circuit is
The turnover line end of described submodule, the turnover line end of described submodule module protection parts in parallel.
The second embodiment of the described submodule guard block in the described submodule that this utility model provides is,
Comprise at least one protection diode and at least one protection switch, described protection diode and described protection switch in parallel.
The third embodiment of described submodule guard block in the described submodule that this utility model provides is,
It it is a protection switch.
Described complementary energy switch, described valve charge switch and the described energy storage charge switch that this utility model provides
The second embodiment is, described complementary energy switch or described valve charge switch or described energy storage charge switch, comprises the
One disconnecting switch, the second disconnecting switch and current-limiting resistance, described first disconnecting switch connects with described current-limiting resistance, and described second
Disconnecting switch is in parallel with described current-limiting resistance.
The second embodiment of the described short circuit capacitance assembly that this utility model provides is to comprise short circuit capacitance, put
Electric switch and discharge resistance, described discharge switch and described discharge resistance are in parallel with described short circuit capacitance again after connecting.
This utility model reaches to provide the benefit that:
1, a kind of power model assay device that this utility model provides, can equivalence be again at least one power modules
Voltage stress, current stress and thermal stress etc. under reality border steady state condition and transient operating mode, can meet at least one power
Module test under steady state condition and transient operating mode.
2, a kind of power model assay device that this utility model provides, by electric current required in regulation test loop,
The voltage of the storage capacitor in submodule described in change, at least one the described submodule that can meet different capacity grade exists
Test under steady state condition and transient operating mode.
3, a kind of power model assay device that this utility model provides, by the supervision to assay device running,
Judge that assay device is the most faulty, if faulty, starting protection action, de-preservation action again after pending fault releasing, it is ensured that
Assay device and described submodule safety in process of the test.
4, a kind of power model assay device that this utility model provides, it is possible to make described submodule bear equivalence long
Voltage stress, current stress and thermal stress suffered during phase steady-state operation while reach heat-staple, in described submodule
On block equivalence be reproduced in current conversion station be short-circuited fault time described in the voltage stress suffered by submodule, current stress and heat should
Power etc..
5, a kind of power model assay device that this utility model provides, system nominal capacity and the capacity of short circuit to electrical network
Require the lowest, simultaneously need to described submodule quantity miniaturization more back-to-back than existing equivalence current conversion station test platform or
The described submodule that the chain static synchronous compensator test platform of equivalence needs is a lot of less, and therefore empirical risk reduces very
Many.
Accompanying drawing explanation
Fig. 1 to Fig. 7 is the structure chart of a kind of power model assay device difference embodiment that this utility model provides
Fig. 8 is the second embodiment that the described valve group that this utility model provides is connected with described steady-state reactance
Fig. 9 is the first described short-circuit reactance, the first described short switch and the described son that this utility model provides
The second embodiment that module connects
The different embodiments of the submodule described in the offer of Figure 10 to Figure 11 this utility model
The difference of the described submodule guard block in submodule described in the offer of Figure 12 to Figure 14 this utility model
Embodiment
The first short switch described in the offer of Figure 15 to Figure 17 this utility model, the second described short switch, institute
The complementary energy switch stated, described valve charge switch and the first embodiment of described energy storage charge switch
Figure 18 is described complementary energy switch, described valve charge switch and the described energy storage charging that this utility model provides
The second embodiment of switch
The different embodiments of the short circuit capacitance assembly described in the offer of Figure 19 to Figure 20 this utility model
Detailed description of the invention
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is described in further detail.
Structure chart such as Fig. 1 to Fig. 7 institute of a kind of power model assay device difference embodiment that this utility model provides
Show, comprise complementary energy power supply E, charge power supply Ey, steady-state reactance L, the first short-circuit reactance L1, the second short-circuit reactance L2, complementary energy switch
Km, valve charge switch Kv, energy storage charge switch Kc, the first short switch K1, the second short switch K2, short circuit capacitance assembly C1 and
At least two valve group V, each described valve group V is composed in series by turnover line end (X1 and X2) by least one submodule M.
Fig. 1 is shown that the structure of the first embodiment of a kind of power model assay device that this utility model provides
Figure, between described different valve groups V, one end is joined directly together or, the other end connected by described steady-state reactance L is by described stable state
Reactance L be connected, described second short-circuit reactance L2, described second short switch K2 and described short circuit capacitance assembly C1 series connection after again with
Described first short-circuit reactance L1 is in parallel, after described first short-circuit reactance L1 and described first short switch K1 series connection again with described valve
The series arm that at least one described submodule M in group V is composed in series is in parallel, described complementary energy power supply E and described complementary energy switch
Km is in parallel with the described submodule M in described valve group V again after connecting, described charge power supply Ey and described valve charge switch Kv series connection
After in parallel with described valve group V again, described charge power supply Ey and described energy storage charge switch Kc series connection after again with described short circuit capacitance
Assembly C1 is in parallel.
Fig. 2 is shown that the structure of the second embodiment of a kind of power model assay device that this utility model provides
Figure, this embodiment with the difference of Fig. 1 is, comprises multiple described valve group V, leads to respectively between different described valve groups V
Cross different described steady-state reactance L to be connected two-by-two, connect for radiation between different described steady-state reactance L.
Fig. 3 is shown that the structure of the third embodiment of a kind of power model assay device that this utility model provides
Figure, this embodiment with the difference of Fig. 2 is, different described steady-state reactance L is that annular connects.
Fig. 4 is shown that the structure of the 4th kind of embodiment of a kind of power model assay device that this utility model provides
Figure, this embodiment with the difference of Fig. 1 is, comprises multiple described first short-circuit reactance L1, different described first short circuit electricity
Anti-L1 respectively with different described in first short switch K1 series connection after the most respectively from least one in different described valve groups V
The series arm that described submodule M is composed in series is in parallel, and each described first short-circuit reactance L1 is respectively from different described second
Short-circuit reactance L2, described second short switch K2 and described short circuit capacitance assembly C1 series connection after branch circuit parallel connection.
Fig. 5 is shown that the structure of the 5th kind of embodiment of a kind of power model assay device that this utility model provides
Figure, this embodiment with the difference of Fig. 1 is, comprises multiple described complementary energy power supply E, different described complementary energy power supply E and divides
After other and different described complementary energy switch Km series connection the most respectively from different described in submodule M in parallel.
Fig. 6 is shown that the structure of the 6th kind of embodiment of a kind of power model assay device that this utility model provides
Figure, this embodiment with the difference of Fig. 1 is, comprises multiple described charge power supply Ey, at least one charge power supply Ey described
In parallel from different described short circuit capacitance assembly C1 again with after different described energy storage charge switch Kc series connection, remaining is different
Described charge power supply Ey respectively with different described in valve charge switch Kv series connection after the most respectively from different described in valve group V
In parallel.
Fig. 7 is the structure chart of the 7th kind of embodiment of a kind of power model assay device that this utility model provides, this
Kind embodiment is that described complementary energy power supply E and described charge power supply Ey merge into same power supply with the difference of Fig. 1.
Fig. 8 is the second embodiment party that described valve group V that this utility model provides is connected with described steady-state reactance L
Formula, between described different valve group V, two ends are all to be connected by described steady-state reactance L.
Fig. 9 is the first described short-circuit reactance L1, the first described short switch K1 and described that this utility model provides
Submodule M connect the second embodiment, described first short-circuit reactance L1 and described first short switch K1 series connection after again
In parallel with the series arm that at least one described submodule M of the part in described valve group V is composed in series.
Figure 10 is the first embodiment of the described submodule M that this utility model provides, and comprises two and can turn off half
Conductor switch T, two sustained diode, an equalizing resistance R, a storage capacitor C and a sub-module protection parts TP,
Each described turn-off semiconductor switch T and a described sustained diode reverse parallel connection, said two turn-off semiconductor is opened
Closing after T connects in parallel with storage capacitor C, described storage capacitor C and described equalizing resistance R is in parallel, at least one described closing
A disconnected semiconductor switch T module protection parts TP in parallel, the two ends of described submodule guard block TP are described submodule
The turnover line end (X1 and X2) of block M.
Figure 11 is the second embodiment of the described submodule M that this utility model provides, and comprises four and can turn off half
Conductor switch T, four sustained diode, an an equalizing resistance R and storage capacitor C, each described turn-off semiconductor is opened
Closing T and a described sustained diode reverse parallel connection, described four turn-off semiconductors switch T constitutes a full-bridge circuit, institute
Stating full-bridge circuit DC terminal in parallel with storage capacitor C, described storage capacitor C and described equalizing resistance R is in parallel, described full-bridge circuit
Exchange end be the turnover line end (X1 and X2) of described submodule M, the turnover line end (X1 and X2) of described submodule M is in parallel
One sub-module protection parts TP.
Figure 12 is the first reality of the described submodule guard block TP in the described submodule M that this utility model provides
Execute mode, comprise at least one protection IGCT SCR and at least one protection switch K, described protection IGCT SCR and described guarantor
Protect switch K in parallel.
Figure 13 is that the second of the described submodule guard block TP in the described submodule M that this utility model provides is real
Execute mode, comprise at least one protection diode Dt and at least one protection switch K, described protection diode Dt and described protection
Switch K is in parallel.
Figure 14 is the third reality of the described submodule guard block TP in the described submodule M that this utility model provides
Executing mode, described submodule guard block TP is a protection switch K.
The first short switch K1 described in the offer of Figure 15 to Figure 17 this utility model, the second described short switch
K2, described complementary energy switch Km, described valve charge switch Kv and the first embodiment of described energy storage charge switch Kc,
The valve charging of the complementary energy switch Km or described of the second short switch K2 or described of the first described short switch K1 or described is left
Close the energy storage charge switch Kc of Kv or described, be mechanical switch or semiconductor switch.
Figure 18 is that the described complementary energy that this utility model provides switchs Km, described valve charge switch Kv and described energy storage
The second embodiment of charge switch Kc, the energy storage of the valve charge switch Kv or described of described complementary energy switch Km or described is filled
Electric switch Kc, comprises the first disconnecting switch Ker1, the second disconnecting switch Ker2 and current-limiting resistance Re, described first disconnecting switch
Ker1 connects with described current-limiting resistance Re, and described second disconnecting switch Ker2 is in parallel with described current-limiting resistance Re.
Figure 19 is the first embodiment of the described short circuit capacitance assembly C1 that this utility model provides, described short circuit
Capacitance component C1 is short circuit capacitance Cc.
Figure 20 is the second embodiment of the described short circuit capacitance assembly C1 that this utility model provides, and comprises short circuit electricity
Again with described after appearance Cc, discharge switch Kcr, electric discharge equalizing resistance Rc, described discharge switch Kcr and described discharge resistance Rc series connection
Short circuit capacitance Cc is in parallel.
Claims (10)
1. a power model assay device, it is characterised in that described power model assay device includes complementary energy power supply, charged electrical
Source, steady-state reactance, the first short-circuit reactance, the second short-circuit reactance, complementary energy switch, valve charge switch, energy storage charge switch, first short
Way switch, the second short switch, short circuit capacitance assembly and at least two valve group, each described valve group is by least one submodule string
Joint group become, between described different valve groups one end be joined directly together or by described steady-state reactance be connected, the other end pass through described surely
State reactance is connected, short-circuit with described first again after described second short-circuit reactance, the second short switch and the series connection of short circuit capacitance assembly
Reactance is in parallel, after described first short-circuit reactance and described first short switch series connection again with described at least one in described valve group
The series arm that submodule is composed in series is in parallel.
2. power model assay device as claimed in claim 1, it is characterised in that described complementary energy power supply and described complementary energy switch
After series connection in parallel with the described submodule in described valve group again, described charge power supply and described valve charge switch series connection after again with institute
State valve group in parallel, after described charge power supply and the series connection of described energy storage charge switch again with described short circuit capacitance modules in parallel.
3. power model assay device as claimed in claim 1, it is characterised in that described submodule includes that two can turn off half
Conductor switch, two fly-wheel diodes, an equalizing resistance, a storage capacitor and sub-module protection parts, Mei Geke
Turn off semiconductor switch and a described fly-wheel diode reverse parallel connection, with institute after the switch series connection of said two turn-off semiconductor
Stating storage capacitor in parallel, described storage capacitor and described equalizing resistance are in parallel, at least one described turn-off semiconductor switch
Sub-module protection parts in parallel, the turnover line end that two ends are described submodule of described submodule guard block.
4. power model assay device as claimed in claim 1, it is characterised in that described submodule comprises four can turn off half
Conductor switch, four fly-wheel diodes, an equalizing resistance and a storage capacitor, each described turn-off semiconductor switch with
One described fly-wheel diode reverse parallel connection, described four turn-off semiconductors switch constitutes a full-bridge circuit, described full-bridge
Circuit direct end is in parallel with described storage capacitor, and described storage capacitor and described equalizing resistance are in parallel, the friendship of described full-bridge circuit
Stream end is the turnover line end of described submodule, the turnover line end of described submodule module protection parts in parallel.
5. power model assay device as claimed in claim 3, it is characterised in that described submodule guard block includes at least
One protection IGCT and at least one protection switch, described protection IGCT and described protection switch in parallel.
6. power model assay device as claimed in claim 3, it is characterised in that the submodule protection portion in described submodule
Part includes at least one protection diode and at least one protection switch, described protection diode and described protection switch in parallel.
7. power model assay device as claimed in claim 3, it is characterised in that the submodule protection portion in described submodule
Part is a protection switch.
8. power model assay device as claimed in claim 1, it is characterised in that described first short switch, the second short circuit
Switch, complementary energy switch, valve charge switch and energy storage charge switch, for mechanical switch or semiconductor switch.
9. power model assay device as claimed in claim 1, it is characterised in that described complementary energy switch or valve charge switch
Or energy storage charge switch, its structure includes the first disconnecting switch, the second disconnecting switch and current-limiting resistance, described first disconnecting switch
Connecting with current-limiting resistance, described second disconnecting switch is in parallel with described current-limiting resistance.
10. power model assay device as claimed in claim 1, it is characterised in that described short circuit capacitance assembly includes short circuit
Electric capacity, discharge switch and discharge resistance, described discharge switch and described discharge resistance are in parallel with described short circuit capacitance again after connecting,
Or,
Described short circuit capacitance assembly is a short circuit capacitance.
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|---|---|---|---|
| CN201620688235.9U CN205844504U (en) | 2016-06-30 | 2016-06-30 | A kind of power model assay device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620688235.9U CN205844504U (en) | 2016-06-30 | 2016-06-30 | A kind of power model assay device |
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| CN205844504U true CN205844504U (en) | 2016-12-28 |
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| CN107015081A (en) * | 2017-04-28 | 2017-08-04 | 南京南瑞继保电气有限公司 | A kind of damping module experimental rig and its test method |
| CN107390121A (en) * | 2017-07-27 | 2017-11-24 | 南京南瑞继保电气有限公司 | The hookup and method of a kind of change current valve module |
| CN107561456A (en) * | 2016-06-30 | 2018-01-09 | 南京南瑞继保电气有限公司 | A kind of power model experimental rig and test method |
| CN108051724A (en) * | 2018-01-09 | 2018-05-18 | 深圳市振华微电子有限公司 | Power module discontinuous operation service life experiment system and method |
| CN108767831A (en) * | 2018-06-25 | 2018-11-06 | 国网福建省电力有限公司 | Flexible direct current power transmission system current-limiting resistance overcurrent is segmented fast protection method |
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2016
- 2016-06-30 CN CN201620688235.9U patent/CN205844504U/en not_active Withdrawn - After Issue
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107561456A (en) * | 2016-06-30 | 2018-01-09 | 南京南瑞继保电气有限公司 | A kind of power model experimental rig and test method |
| CN107561456B (en) * | 2016-06-30 | 2023-11-17 | 南京南瑞继保电气有限公司 | Power module test device and test method |
| CN107015081A (en) * | 2017-04-28 | 2017-08-04 | 南京南瑞继保电气有限公司 | A kind of damping module experimental rig and its test method |
| CN107390121A (en) * | 2017-07-27 | 2017-11-24 | 南京南瑞继保电气有限公司 | The hookup and method of a kind of change current valve module |
| CN108051724A (en) * | 2018-01-09 | 2018-05-18 | 深圳市振华微电子有限公司 | Power module discontinuous operation service life experiment system and method |
| CN108767831A (en) * | 2018-06-25 | 2018-11-06 | 国网福建省电力有限公司 | Flexible direct current power transmission system current-limiting resistance overcurrent is segmented fast protection method |
| CN108767831B (en) * | 2018-06-25 | 2020-05-05 | 国网福建省电力有限公司 | Overcurrent subsection fast protection method for current-limiting resistor of flexible direct-current power transmission system |
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