CN202102059U - Power unit testing apparatus - Google Patents
Power unit testing apparatus Download PDFInfo
- Publication number
- CN202102059U CN202102059U CN2011201624644U CN201120162464U CN202102059U CN 202102059 U CN202102059 U CN 202102059U CN 2011201624644 U CN2011201624644 U CN 2011201624644U CN 201120162464 U CN201120162464 U CN 201120162464U CN 202102059 U CN202102059 U CN 202102059U
- Authority
- CN
- China
- Prior art keywords
- power cell
- voltage
- measurement unit
- plc
- programmable logic
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Power Sources (AREA)
Abstract
The utility model relates to the field of high voltage frequency conversion technology, in particular to a power unit testing apparatus, including an upper computer (1), a programmable logic controller (2), a main controller (3), a power unit (14) and a load (12), which are connected in order. The power unit testing apparatus also includes a three-phase voltage regulator (4), a first voltage measuring unit (8), a second voltage measuring unit (5), a third voltage measuring unit (6), a fourth voltage measuring unit (7), a current measuring unit (9) and a temperature measuring unit (10). The power unit testing apparatus enables real-time monitoring of the power unit and eliminates the hidden trouble for safety of operators, through cooperation of all components.
Description
Technical field
The utility model relates to the high-pressure frequency-conversion technical field, particularly a kind of power cell proving installation.
Background technology
The power cell of high voltage converter is when test at present; After the power cell three-phase input end powers on; Normal manual operation and the artificial record data of adopting, the method can reach the purpose of measured power unit, but its shortcoming is particularly evident: at first; Can there be the interference of a lot of human factors in artificial measurement, can not reach the effect of real-time monitoring simultaneously.Secondly, when the three-phase electricity input voltage is too high, the operator is existed very big potential safety hazard.
The utility model content
The technical matters that (one) will solve
The technical matters that the utility model will solve is: how the potential safety hazard to the operator is monitored, eliminated to power cell in real time.
(2) technical scheme
For solving the problems of the technologies described above; The utility model provides a kind of power cell proving installation; Comprise: the host computer, programmable logic controller (PLC), master controller, power cell and the load that connect successively; Also comprise: three-phase regulator, first voltage measurement unit, second voltage measurement unit, tertiary voltage measuring unit, the 4th voltage measurement unit, current measuring unit and temperature measurement unit; Said three-phase regulator, first voltage measurement unit, second voltage measurement unit, tertiary voltage measuring unit, the 4th voltage measurement unit and current measuring unit are connected with power cell with said programmable logic controller (PLC) respectively; Said temperature measurement unit is connected with said programmable logic controller (PLC);
Said host computer; Be used for said three-phase regulator being controlled through said programmable logic controller (PLC); The information data that receives the next power cell of said programmable logic controller (PLC) forwarding shows; And the frequency and the size of said power cell output voltage are set, the frequency and the size that are provided with are sent to said programmable logic controller (PLC);
Said programmable logic controller (PLC); Be used to regulate the size of the output voltage of said three-phase regulator; Receive the information data of the power cell that said first voltage measurement unit, second voltage measurement unit, tertiary voltage measuring unit, the 4th voltage measurement unit, current measuring unit and temperature measurement unit obtained; The information data of said power cell is forwarded to said host computer, and the frequency and the size that are provided with are sent to said master controller;
Said three-phase regulator is used to said power cell three-phase supply is provided;
Said master controller is used for according to frequency and the size of the frequency that is provided with the output voltage of the said power cell of size control;
Said power cell is used for converting said three-phase supply into sinusoidal voltage, to be embodied as said electric;
Said first voltage measurement unit is used to obtain the output voltage information data of said power cell;
Said second voltage measurement unit, tertiary voltage measuring unit and the 4th voltage measurement unit; Be used to obtain the information of voltage data of three groups of electric capacity between the positive and negative busbar of said power cell, and the voltage data information data that will obtain three groups of electric capacity is sent to said programmable logic controller (PLC);
Said current measuring unit is used to obtain the output current information data of said power cell, and said output current information data are sent to said programmable logic controller (PLC);
Said temperature measurement unit is used to obtain the temperature information data of said power cell, and the temperature information data of obtaining are sent to said programmable logic controller (PLC).
Wherein, also comprise: discharge cell, be connected with said power cell, be used for when said power cell breaks down or do not connect said load, the voltage in the said power cell being discharged.
Wherein, also comprise: oscillograph, be connected with said power cell, be used to receive the output voltage information data and the output current information data of said power cell, and show the output voltage and the output current of said power cell.
(3) beneficial effect
The utility model is through the cooperation between each parts, makes when power cell tested, and plays the effect of real-time monitoring, and eliminated the potential safety hazard to the operator; In addition, the utility model also has following advantage: 1, adopt various measurement modules to measure, data measured is more comprehensive, and has improved the accuracy of measuring; 2, when test, the multiple method of operation that power cell can simulated field (like underloading, fully loaded, overload etc.); 3, increased electric discharge device, when power cell breaks down, can discharge, reduced the stand-by period positive and negative busbar; 4, can prevent the part maloperation through internal logic control.
Description of drawings
Fig. 1 is the structured flowchart according to the power cell proving installation of a kind of embodiment of the utility model;
Fig. 2 is the concrete structure synoptic diagram of power cell proving installation shown in Figure 1.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the embodiment of the utility model is described in further detail.Following examples are used to explain the utility model, but are not used for limiting the scope of the utility model.
Fig. 1 is the structured flowchart according to the power cell proving installation of a kind of embodiment of the utility model; Fig. 2 is the concrete structure synoptic diagram of power cell proving installation shown in Figure 1; The power cell proving installation of this embodiment; Comprise: the host computer 1, programmable logic controller (PLC) 2 (the Programmable Logic Controller that connect successively; PLC), master controller 3, power cell 14 and load 12; Also comprise: three-phase regulator 4, first voltage measurement module 8, second voltage measurement unit 5, tertiary voltage measuring unit 6, the 4th voltage measurement unit 7, current measuring unit 9 and temperature measurement unit 10; Said three-phase regulator 4, first voltage measurement unit 8, second voltage measurement unit 5, tertiary voltage measuring unit 6, the 4th voltage measurement unit 7 and current measuring unit 9 are connected with power cell 14 with said programmable logic controller (PLC) 2 respectively; Said temperature measurement unit 10; Be arranged near the heating radiator of said power cell 14, be connected with said programmable logic controller (PLC) 2;
Said host computer 1; Be used for controlling through 2 pairs of said three-phase regulators of said programmable logic controller (PLC); The information data that receives the next power cell 14 of said programmable logic controller (PLC) 2 forwardings shows; And the frequency and the size of said power cell 14 output voltages are set, the frequency and the size that are provided with are sent to said programmable logic controller (PLC) 2;
Said programmable logic controller (PLC) 2; Be used to regulate the size of the output voltage of said three-phase regulator 4; The frequency and the size that are provided with are sent to said master controller 3; And receive the information data of the power cell 14 that said first voltage measurement unit 8, second voltage measurement unit 5, tertiary voltage measuring unit 6, the 4th voltage measurement unit 7, current measuring unit 9 and temperature measurement unit 10 obtained; Realize the real-time monitoring and the omnidistance record of these information datas, the information data of said power cell 14 is forwarded to said host computer 1, and the frequency and the size that are provided with are sent to said master controller 3;
Said three-phase regulator 4 is used to said power cell 14 three-phase input power supply is provided;
Said master controller 3 is used for according to frequency and the size of the frequency that is provided with the output voltage of the said power cell 14 of size control;
Said power cell 14 is used for converting said three-phase supply into sinusoidal voltage, to be embodied as said load 12 power supplies;
Said first voltage measurement unit 8 is used to measure the output voltage information data of said power cell 14;
All pressures situation for three groups of electric capacity between the positive and negative busbar of checking said power cell; Said second voltage measurement unit 5, tertiary voltage measuring unit 6 and the 4th voltage measurement unit 7; Be used to obtain the information of voltage data of three groups of electric capacity between the positive and negative busbar of said power cell 14, and the voltage data information data that will obtain three groups of electric capacity is sent to said programmable logic controller (PLC) 2;
Said current measuring unit 9 is used to obtain the output current information data of said power cell 14, and said output current information data are sent to said programmable logic controller (PLC) 2;
Said temperature measurement unit 10 is used to obtain the temperature information data of said power cell 14, and the temperature information data of obtaining are sent to said programmable logic controller (PLC) 2.
Break down in said power cell 14 inside or when not connecing load (when the unit can't externally be exported), its inside still has very high voltage, is to reduce the stand-by period; Can directly discharge to power cell 14; Preferably, said power cell proving installation also comprises: discharge cell 11 is connected with said power cell 14; Be used for when said power cell 14 breaks down or do not connect said load 12, the voltages in the said power cell 14 are discharged.
Be output voltage and the current waveform of observing said power cell intuitively; Said power cell proving installation also comprises: oscillograph 13; Be connected with said power cell 14; Be used to receive the output voltage information data and the output current information data of said power cell 14, show the output voltage waveforms and the output current wave of said power cell 14.
As shown in Figure 2; Power cell 14 has adopted power transfer device; Except can being power cell 14 power supply by output terminals A, B, the C of said three-phase regulator; Can also directly power cell 14 be supplied power by output terminal L, the N of 220V alternating current, the three-phase input voltage adjustable extent of power cell 14 increases, and has improved the dirigibility of test.
The principle of work of the power cell proving installation of this embodiment is: said host computer 1 receives the frequency and the size of said power cell 14 output voltages that are provided with; Control the size of the output voltage of three-phase regulators 4 through programmable logic controller (PLC) 2; Measure by second voltage measurement unit 5, tertiary voltage measuring unit 6 and 7 pairs of power cells 14 of the 4th voltage measurement unit again; Measurement data is transferred to programmable logic controller (PLC) 2, and on host computer 1, shows and record.If all press situation no abnormal; Then control through 3 pairs of power cells 14 of master controller; Adjust the output voltage of power cell 14, and output voltage, output current and the temperature of power cell 14 are measured, and will measure the data transmission that obtains and give programmable logic controller (PLC) 2; And on host computer 1, show and record, can observe the output voltage waveforms and the current waveform of power cell 14 simultaneously through oscillograph 13 and host computer 1.After the power cell proving installation of this embodiment powers on; All operations all can carry out on host computer 1, makes that operating personnel can be away from power cell to be measured, therefore; Avoid some safety problems, and when test, can play the effect of real-time monitoring and record.
Above embodiment only is used to explain the utility model; And be not the restriction to the utility model; The those of ordinary skill in relevant technologies field under the situation of spirit that does not break away from the utility model and scope, can also be made various variations and modification; Therefore all technical schemes that are equal to also belong to the category of the utility model, and the scope of patent protection of the utility model should be defined by the claims.
Claims (3)
1. power cell proving installation; It is characterized in that; Comprise: the host computer (1), programmable logic controller (PLC) (2), master controller (3), power cell (14) and the load (12) that connect successively; Also comprise: three-phase regulator (4), first voltage measurement unit (8), second voltage measurement unit (5), tertiary voltage measuring unit (6), the 4th voltage measurement unit (7), current measuring unit (9) and temperature measurement unit (10); Said three-phase regulator (4), first voltage measurement unit (8), second voltage measurement unit (5), tertiary voltage measuring unit (6), the 4th voltage measurement unit (7) and current measuring unit (9) are connected with power cell (14) with said programmable logic controller (PLC) (2) respectively; Said temperature measurement unit (10) is connected with said programmable logic controller (PLC) (2);
Said host computer (1); Be used for said three-phase regulator being controlled through said programmable logic controller (PLC) (2); The information data that receives the power cell (14) of said programmable logic controller (PLC) (2) forwarding shows; And the frequency and the size of said power cell (14) output voltage are set, the frequency and the size that are provided with are sent to said programmable logic controller (PLC) (2);
Said programmable logic controller (PLC) (2); Be used to regulate the size of the output voltage of said three-phase regulator (4); Receive the information data of the power cell (14) that said first voltage measurement unit (8), second voltage measurement unit (5), tertiary voltage measuring unit (6), the 4th voltage measurement unit (7), current measuring unit (9) and temperature measurement unit (10) obtained; The information data of said power cell (14) is forwarded to said host computer (1), and the frequency and the size that are provided with are sent to said master controller (3);
Said three-phase regulator (4) is used to said power cell (14) three-phase supply is provided;
Said master controller (3) is used for according to frequency and the size of the frequency that is provided with the output voltage of the size said power cell of control (14);
Said power cell (14) is used for converting said three-phase supply into sinusoidal voltage, to be embodied as said load (12) power supply;
Said first voltage measurement unit (8) is used to obtain the output voltage information data of said power cell (14);
Said second voltage measurement unit (5), tertiary voltage measuring unit (6) and the 4th voltage measurement unit (7); Be used to obtain the information of voltage data of three groups of electric capacity between the positive and negative busbar of said power cell (14), and the voltage data information data that will obtain three groups of electric capacity is sent to said programmable logic controller (PLC) (2);
Said current measuring unit (9) is used to obtain the output current information data of said power cell (14), and said output current information data are sent to said programmable logic controller (PLC) (2);
Said temperature measurement unit (10) is used to obtain the temperature information data of said power cell (14), and the temperature information data of obtaining are sent to said programmable logic controller (PLC) (2).
2. power cell proving installation as claimed in claim 1; It is characterized in that, also comprise: discharge cell (11) is connected with said power cell (14); Be used for when said power cell (14) breaks down or do not connect said load (12), the voltage in the said power cell (14) is discharged.
3. like each described power cell proving installation in the claim 1～2; It is characterized in that; Also comprise: oscillograph (13); Be connected with said power cell (14), be used to receive the output voltage information data and the output current information data of said power cell (14), and show the output voltage and the output current of said power cell (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201624644U CN202102059U (en) | 2011-05-20 | 2011-05-20 | Power unit testing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201624644U CN202102059U (en) | 2011-05-20 | 2011-05-20 | Power unit testing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202102059U true CN202102059U (en) | 2012-01-04 |
Family
ID=45388064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201624644U Expired - Fee Related CN202102059U (en) | 2011-05-20 | 2011-05-20 | Power unit testing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202102059U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928719A (en) * | 2012-11-07 | 2013-02-13 | 华为技术有限公司 | Power unit aging testing device and method |
| CN104101842A (en) * | 2014-08-01 | 2014-10-15 | 广州港集团有限公司 | Power unit debugging system of shore power supply |
| WO2018214347A1 (en) * | 2017-05-23 | 2018-11-29 | 江苏现代电力科技股份有限公司 | Power electronic reactor performance testing device |
-
2011
- 2011-05-20 CN CN2011201624644U patent/CN202102059U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928719A (en) * | 2012-11-07 | 2013-02-13 | 华为技术有限公司 | Power unit aging testing device and method |
| CN104101842A (en) * | 2014-08-01 | 2014-10-15 | 广州港集团有限公司 | Power unit debugging system of shore power supply |
| CN104101842B (en) * | 2014-08-01 | 2015-09-09 | 广州港集团有限公司 | A kind of shore electric power power cell debug system |
| WO2018214347A1 (en) * | 2017-05-23 | 2018-11-29 | 江苏现代电力科技股份有限公司 | Power electronic reactor performance testing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106597142B (en) | A kind of automatic testing equipment of SVG power module | |
| CN104849579A (en) | System and method for testing sensitive elements of over-current protection and voltage monitoring device | |
| CN204439747U (en) | A kind of pick-up unit of electric system harmonic inhabitation functional device | |
| CN106772208B (en) | Single three-phase meter integrated reliability test board | |
| CN206147077U (en) | High compatible product aging of type of filling soon test system | |
| CN105929278B (en) | A kind of unsteady flow module high voltage test macro and method | |
| CN204101671U (en) | A kind of Novel multi-core cable tester | |
| CN202102059U (en) | Power unit testing apparatus | |
| CN103869197A (en) | Electric vehicle charging-discharging device double-energy-feeding testing system | |
| CN202886585U (en) | On-line test device for voltage/current transformer | |
| CN102866378B (en) | Voltage or current transformer on-line test device and voltage or current transformer on-line test method | |
| TW201425948A (en) | System and method for testing energy consumption | |
| CN211785826U (en) | Mobile charging pile testing device | |
| CN204882853U (en) | Electric energy meter pressure resistance test installation | |
| CN202177693U (en) | Industrial frequency withstand voltage and insulation resistance testing apparatus for current transformer | |
| CN203396921U (en) | Multi-load voltage switch power test device | |
| CN211505799U (en) | Non-electric power relay calibration device | |
| CN101477165B (en) | Integrated test system for security and efficiency of washing machine | |
| CN204925371U (en) | Many analog output's of standard source electric energy quality on -line monitoring device's test system | |
| CN103217599A (en) | Automatic testing device of frequency devices and testing method thereof | |
| CN201732100U (en) | Probe testing jig tool of power source plate of set-top box | |
| CN203014490U (en) | Intelligent monitor of transformer substation | |
| CN208270679U (en) | A kind of Auto-Test System of string type photovoltaic DC-to-AC converter power amplifier board | |
| CN202583352U (en) | Integrated electrical test comprehensive testing system | |
| CN202066921U (en) | Testing equipment for frequency converter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120104 Termination date: 20160520 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |