CN207866938U - A kind of SVG power cells experimental rig - Google Patents
A kind of SVG power cells experimental rig Download PDFInfo
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- CN207866938U CN207866938U CN201820337511.6U CN201820337511U CN207866938U CN 207866938 U CN207866938 U CN 207866938U CN 201820337511 U CN201820337511 U CN 201820337511U CN 207866938 U CN207866938 U CN 207866938U
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Abstract
The utility model discloses a kind of SVG power cells experimental rigs, belong to SVG power cell experimental technique fields.The utility model includes cabinet, hookup is set inside the cabinet, the hookup includes isolating transformer, rectification module, first resistor, second resistance, load resistance, load reactance and direct current capacitors, wherein, the primary side of the isolating transformer connects AC power, and the secondary side of isolating transformer connects rectification module, the output end series connection first resistor of rectification module, again after second resistance in parallel and direct current capacitors, the input terminal of H-bridge circuit is connected；The load resistance and load reactance, which is in series, forms load circuit, and is connected with the output end of H-bridge circuit.The utility model is simple in structure, manufacturing cost is low, while no longer needing repeatedly to build test circuit, reduces test complexity.
Description
Technical field
The utility model is related to SVG power cell experimental technique fields, more specifically to a kind of SVG power cells
Experimental rig.
Background technology
With the development of power electronic technique, the Static Synchronous based on high-power turn-off device (IGBT, IGCT) compensates
Device (SVG) is developed rapidly, and SVG can quickly compensate the idle or harmonic current of load either power grid, improves power grid work(
Rate factor and reduction harmonic content, the market share being gradually expanded is instead of large quantities of old-fashioned reactive power compensators.
In order to make SVG stable operations, often covers SVG device and all have to pass through every test, close inspection.Power cell conduct
Core devices in SVG device, it is necessary in strict accordance with requiring to be tested comprehensively.But current enterprise is in SVG device production process
In, test every time is required to build corresponding test circuit, if tested multiple power cells, it is necessary to build multiple
Test circuit, time-consuming and laborious not say, circuit is at random to be distributed in ground, and there is also prodigious security risks.Therefore, power cell tries
Experiment device is to complete basic technical indicator test, and reach the essential equipment of time saving and energy saving purpose.
Through retrieval, China Patent No. ZL 201320588933.8, authorized announcement date is on April 16th, 2014, innovation and creation
It is entitled：A kind of test chamber for power unit, this application include frame, front door, rear sealing plate, two side seal boards, front door, rear sealing plate and
Two side seal boards, which are installed on frame, forms body structure；Top of the box is equipped with wind turbine, and front door is equipped with ventilation hole, and rear sealing plate is equipped with
Air outlet；Box house is divided into former and later two cavitys, and power cell small handcart is equipped in front cavity, connection is equipped in rear chamber
Copper bar.Power cell can carry out when doing testing experiment in the device, and experiment condition has obtained larger improvement.But this application master
It is the body structure design of chamber, internal hookup is not made to optimize, still needs to be further improved.
Chinese Patent Application No. 201610980962.7, the applying date are on November 8th, 2016, and invention and created name is：One
The automatic testing equipment of kind SVG power modules；This application includes monitoring backstage, main control unit, adjustable DC power supply and power
Block waveform detection unit, the automatic testing equipment can carry out at least two in following several tests：Communication test, power
Module preliminary examination test, mould enter accuracy of measurement test, bus overvoltage protection test, temperature protection test and waveform testing；Main control unit
Execute corresponding instruction, receive measured power module feedback to induction signal, by being compared to sentence with corresponding setting value
Whether the corresponding function of disconnected power module is qualified；When meeting the condition for carrying out next test, next test is carried out automatically.
This application can realize a variety of different tests, without building different hookups, reduce test complexity.But the Shen
Please case complex structural designs, manufacturing cost it is high, practicability is not strong for production enterprise.
Invention content
1. utility model technical problems to be solved
The purpose of the utility model is to overcome SVG power cell experiments are carried out in the prior art, test circuit expense is built
When it is laborious and there are problems that security risk, provide a kind of SVG power cells experimental rig；Experiment provided by the utility model
Apparatus structure is simple, manufacturing cost is low, while no longer needing repeatedly to build test circuit, reduces test complexity.
2. technical solution
In order to achieve the above objectives, technical solution provided by the utility model is：
A kind of SVG power cells experimental rig of the utility model, including cabinet, cabinet inside setting experiment electricity
Road, the hookup include isolating transformer, rectification module, first resistor, second resistance, load resistance, load reactance and straight
Galvanic electricity container, wherein the primary side of the isolating transformer connects AC power, and the secondary side of isolating transformer connects rectification mould
Block, the output end series connection first resistor of rectification module, then after second resistance in parallel and direct current capacitors, connect the defeated of H-bridge circuit
Enter end；The load resistance and load reactance, which is in series, forms load circuit, and is connected with the output end of H-bridge circuit.
Further to improve, isolating transformer, rectification module, first resistor, the second electricity is arranged in the cabinet front
Resistance and direct current capacitors, wherein isolating transformer is set to bottom of cabinet bulk, and direct current capacitors is set to cabinet top, rectification mould
Block, first resistor and second resistance are located in the middle part of cabinet.
Further to improve, the rectification module, first resistor and second resistance are fixed on a radiator.
It is further to improve, interface is set in the cabinet front cabinet door, cabinet closed test circuit is connect by this
The external H-bridge circuit of mouth connection.
Further to improve, load resistance and load reactance is arranged in the cabinet back side, wherein load resistance is arranged
In cabinet top, load reactance is set to bottom of cabinet bulk.
It is further to improve, wind turbine is set at the top of the cabinet.
Further to improve, the rectification module uses the three phase rectifier bridge module of model MDS100A1600V.
3. advantageous effect
It is had the advantages that compared with existing known technology using technical solution provided by the utility model：
(1) a kind of SVG power cells experimental rig of the utility model, directly exists SVG power cell test circuits
It being put up in experimental rig, test circuit is built when without testing every time, reduce test complexity, improve the essence of test
Accuracy, while the testing time has been saved, due to being only just related to manual operation when replacing SVG power cells, therefore the experiment fills
The labor intensity of tester can be reduced by setting, and avoiding tester's maloperation and tester's technical merit deficiency causes
Erroneous judgement, hookup be arranged inside cabinet, also can orderly store circuit, improve safety；
(2) a kind of SVG power cells experimental rig of the utility model, cabinet is being set to just by isolating transformer etc.
Face, load resistance and load reactance are then set to the cabinet back side, and isolating transformer, load reactance are placed in bottom of cabinet bulk, directly
Galvanic electricity container, load resistance are set to cabinet top, and each electrical part is reasonable in experimental rig cabinet interior layout, takes full advantage of
Cabinet inner space, while there is isolation and heat dissipation effect well；
(3) a kind of SVG power cells experimental rig of the utility model, by the big rectification module of calorific value, first resistor
It is fixed on a radiator with second resistance, rectification module, first resistor and second resistance can be radiated well；Cabinet
Wind turbine is arranged in top, and the wind turbine close to load resistance, take away by the heat that load resistance can be sent out by the effect of wind turbine, should
Structure can guarantee good heat dissipation performance, improve reliability and the safety of test；
(4) a kind of SVG power cells experimental rig of the utility model, structure design is simple, and manufacturing cost is low, but can be very
The good test request for meeting production enterprise has very strong practicability.
Description of the drawings
Fig. 1 is a kind of positive structure schematic of SVG power cells experimental rig of the utility model；
Fig. 2 is a kind of structure schematic diagram of SVG power cells experimental rig of the utility model；
Fig. 3 is a kind of circuit diagram of SVG power cells experimental rig of the utility model.
Label declaration in schematic diagram：
1, isolating transformer；2, radiator；21, rectification module；22, first resistor；23, second resistance；3, interface；4, it bears
Carry resistance；5, load reactance；6, direct current capacitors；7, wind turbine；8, cabinet.
Specific implementation mode
To further appreciate that the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.
Embodiment 1
A kind of SVG power cells experimental rig of the present embodiment combined with Figure 1 and Figure 2, including cabinet 8, the cabinet 8
Inside setting hookup, the hookup include isolating transformer 1, rectification module 21, first resistor 22, second resistance 23,
Load resistance 4, load reactance 5 and direct current capacitors 6.The present embodiment by isolating transformer 1, rectification module 21, first resistor 22,
Second resistance 23 and the setting of direct current capacitors 6 are in 8 front of cabinet.Wherein, bulky isolating transformer 1 is set to 8 bottom of cabinet
Direct current capacitors 6 is set to 8 top of cabinet by portion, and rectification module 21, first resistor 22 and second resistance 23 are then set to cabinet
8 middle parts.Load resistance 4 and load reactance 5 is arranged in 8 back side of cabinet, wherein load resistance 4 is set to 8 top of cabinet, load electricity
Anti- 5 are set to 8 bottom of cabinet, and wind turbine 7 is arranged in 8 top of cabinet.Each electrical part cloth inside experimental rig cabinet in the present embodiment
Office rationally, takes full advantage of cabinet inner space, while having isolation and heat dissipation effect well.
Meanwhile the big rectification module 21 of calorific value, first resistor 22 and second resistance 23 are fixed on one and dissipated by the present embodiment
On hot device 2, rectification module 21, first resistor 22 and second resistance 23 can be radiated well；Wind turbine is set at the top of cabinet
7, which can take away the heat that load resistance 4 is sent out by the effect of wind turbine 7, which can close to load resistance 4
Ensure good heat dissipation performance, improves reliability and the safety of test.
Referring to Fig. 3, in the hookup of the present embodiment, (the isolating transformer in corresponding diagram 3 of isolating transformer 1
GB primary side) connects AC power, and the secondary side of isolating transformer 1 connects rectification module 21 (the rectification module ZL in corresponding diagram 3),
Output end series connection first resistor 22 (the resistance R in corresponding diagram 3 of rectification module 211, 100 Ω), then second resistance 23 in parallel is (right
Answer the resistance R in Fig. 32, RXLG100w/0.1 Ω) and (the direct current capacitors C in corresponding diagram 3 of direct current capacitors 61) after, connect H
The input terminal of bridge circuit；(the load resistance R in corresponding diagram 3 of load resistance 4L, 20K Ω) and 5 (corresponding diagram of load reactance
Load reactance L, 0.38mH in 3) be in series composition load circuit, and is connected with the output end of H-bridge circuit.The rectification mould
Block 21 uses the three phase rectifier bridge module of model MDS100A1600V.The present embodiment is directly by SVG power cell test circuits
It is put up in experimental rig, test circuit is built when without testing every time, interface 3, cabinet are set in the positive cabinet door of cabinet 8
8 closed test circuits connect external H-bridge circuit by the interface 3, reduce test complexity, improve the precision of test,
The testing time is saved simultaneously, due to being only just related to manual operation when replacing SVG power cells, therefore the experimental rig can
The labor intensity for reducing tester avoids caused by tester's maloperation and tester's technical merit deficiency accidentally
Sentence, hookup is arranged inside cabinet, also can orderly store circuit, improve safety.
The course of work of the present embodiment is：To exchange 380V voltages by isolating transformer GB becomes exchanging 570V voltages,
And becoming direct current 800V voltages through MDS100A1600V three phase rectifier bridge modules, direct current 800V voltages are added to the direct current of H-bridge circuit
Input terminal is exchange 320V voltages by controlling H-bridge circuit inversion, and exchange 320V voltages are added to load resistance RLAnd load reactance
On L, be powered 1 hour come verify H-bridge circuit work whether normal reliable.The experimental rig of the present embodiment, structure design is simple,
Manufacturing cost is low, can but meet the test request of production enterprise well, has very strong practicability.
Schematically the utility model and embodiments thereof are described above, description is not limiting, attached drawing
Shown in also be the utility model one of embodiment, actual structure is not limited to this.So if this field
Those of ordinary skill enlightened by it, without deviating from the purpose of the present invention, not inventively design
Frame mode similar with the technical solution and embodiment, all should belong to the protection range of the utility model.
Claims (7)
1. a kind of SVG power cells experimental rig, including cabinet (8), it is characterised in that：Setting examination inside the cabinet (8)
Electrical verification road, the hookup include isolating transformer (1), rectification module (21), first resistor (22), second resistance (23), bear
Carry resistance (4), load reactance (5) and direct current capacitors (6), wherein the primary side of the isolating transformer (1) connects alternating current
Source, the secondary side of isolating transformer (1) connect rectification module (21), the output end series connection first resistor (22) of rectification module (21),
Again after second resistance (23) in parallel and direct current capacitors (6), the input terminal of H-bridge circuit is connected；The load resistance (4) and negative
Load reactance (5), which is in series, forms load circuit, and is connected with the output end of H-bridge circuit.
2. a kind of SVG power cells experimental rig according to claim 1, it is characterised in that：Cabinet (8) front
Isolating transformer (1), rectification module (21), first resistor (22), second resistance (23) and direct current capacitors (6) are set, wherein
Isolating transformer (1) is set to cabinet (8) bottom, and direct current capacitors (6) is set to cabinet (8) top, rectification module (21),
One resistance (22) and second resistance (23) are located in the middle part of cabinet (8).
3. a kind of SVG power cells experimental rig according to claim 1 or 2, it is characterised in that：The rectification module
(21), first resistor (22) and second resistance (23) are fixed on a radiator (2).
4. a kind of SVG power cells experimental rig according to claim 3, it is characterised in that：Cabinet (8) front
Interface (3) is set in cabinet door, and cabinet (8) closed test circuit connects external H-bridge circuit by the interface (3).
5. a kind of SVG power cells experimental rig according to claim 4, it is characterised in that：Described cabinet (8) back side
Load resistance (4) and load reactance (5) are set, wherein load resistance (4) is set to cabinet (8) top, and load reactance (5) is set
It is placed in cabinet (8) bottom.
6. a kind of SVG power cells experimental rig according to claim 5, it is characterised in that：At the top of the cabinet (8)
Wind turbine (7) is set.
7. a kind of SVG power cells experimental rig according to claim 6, it is characterised in that：The rectification module
(21) the three phase rectifier bridge module of model MDS100A1600V is used.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017218689234 | 2017-12-28 | ||
| CN201721868923 | 2017-12-28 |
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| Publication Number | Publication Date |
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| CN207866938U true CN207866938U (en) | 2018-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820337511.6U Active CN207866938U (en) | 2017-12-28 | 2018-03-13 | A kind of SVG power cells experimental rig |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109633300A (en) * | 2018-11-30 | 2019-04-16 | 北京电力自动化设备有限公司 | High-voltage chain type SVG power cell full power degradation system and method |
-
2018
- 2018-03-13 CN CN201820337511.6U patent/CN207866938U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109633300A (en) * | 2018-11-30 | 2019-04-16 | 北京电力自动化设备有限公司 | High-voltage chain type SVG power cell full power degradation system and method |
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