CN202159103U - Testing device for power unit of high-voltage frequency converter based on digital signal processor (DSP) and field programmable gata array (FPGA) - Google Patents
Testing device for power unit of high-voltage frequency converter based on digital signal processor (DSP) and field programmable gata array (FPGA) Download PDFInfo
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- CN202159103U CN202159103U CN2011202190619U CN201120219061U CN202159103U CN 202159103 U CN202159103 U CN 202159103U CN 2011202190619 U CN2011202190619 U CN 2011202190619U CN 201120219061 U CN201120219061 U CN 201120219061U CN 202159103 U CN202159103 U CN 202159103U
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Abstract
A testing device for a power unit of a high-voltage frequency converter based on a digital signal processor (DSP) and a field programmable gata array (FPGA) comprises a DSP control unit, an FPGA control unit, a liquid crystal display (LCD) unit, a keyboard input unit, a power supply unit and an optical fiber communication unit. The DSP control unit is respectively connected with the LCD unit and the keyboard input unit, a data processing system (DPS) control unit is connected with the FPGA control unit, the optical fiber communication unit is connected with the FPGA control unit, and the power supply unit is respectively connected with the DPS control unit and the FPGA control unit. The testing device for the power unit of the high-voltage frequency converter has the advantages of being compact in size, convenient and flexible in operation, friendly in human-computer interface, capable of finishing tests for a single power unit including a low-voltage function test, a rated voltage no-load test, a rated voltage full-load test, a rated voltage over-load test and an over-voltage function test and greatly improving debugging speed of working staff, accurate in fault point detection of the power unit and capable of protecting hard wares of the power unit timely when faults happen.
Description
Technical field
The utility model belongs to a kind of industry automatic control technology, is specifically related to a kind of high voltage transducer power unit proving installation based on DSP and FPGA.
Background technology
Many level of power unit cascade type frequency converter adopts the power unit cascade of a plurality of low pressure to realize high pressure, and the step-down transformer of input side adopts phase shift system, can effectively eliminate the harmonic pollution to electrical network; Outgoing side adopts many level sine pulse width modulation (PWM) technology, applicable to the common electric machine of any voltage, in addition; When certain power cell breaks down; Can log off automatically, and remaining power cell can continue to keep the operation of motor, reduce the loss that causes when shutting down.System adopts modular design, can replace malfunctioning module rapidly.Its significant technical advantage has been brought the powerful market competitiveness.
To many level of power unit cascade type frequency converter its special proving installation should be arranged, otherwise will have serious hidden danger of quality for the safe operation of high voltage converter.The power cell test has following scheme: 1, system test behind the power unit cascade; 2, power cell single machine test then carries out system testing.There is following problem in scheme 1: if there are quality problems in single power cell, directly go up the high-pressure system test and can the problem extension be had influence on the power cell of other series connection, the while, other power cells can receive soft damage, in the future operation brings potential safety hazard.Scheme 2 can effectively suppress the problem that scheme 1 exists, and effectively danger and loss is reduced on the power cell.
Summary of the invention
The goal of the invention of this equipment is to solve many level of power unit cascade type frequency converter product function upset condition of causing of the not strict quality problems that cause of quality control and device quality problem in process of production; Prepare for the high-pressure system test, avoid the extension of unit problem.
For reaching above purpose; The technical scheme that the utility model adopted is: be made up of DSP control module, FPGA control module, LCD display unit, keyboard input block, power supply unit and optical-fibre communications unit; The DSP control module is connected with LCD display unit, keyboard input block respectively; The DPS control module is connected with the FPGA control module, and the optical-fibre communications unit is connected with the FPGA control module, and power supply unit is connected with DPS control module, FPGA control module respectively.
The utility model also possesses following technical characterictic:
1, the DSP control module is to be main control chip with TMS320F2812.
2, the FPGA control module is to be acp chip with EP3C16Q240.
3, the optical-fibre communications unit is made up of T1521 and R2521 fiber optical transceiver.
The utlity model has following advantage: advantages of small volume, flexible to operation, man-machine interface is friendly; Can accomplish the test of single power cell: low pressure functional test, rated voltage no load test, rated voltage full load test, rated voltage overload measurement and overvoltage functional test, improved staff's debugging speed greatly; The power cell trouble spot is detected accurately, can in time be protected power cell hardware when fault takes place.
Description of drawings
Fig. 1 is the structural principle block diagram of the utility model; Wherein 1, the DSP control module, 2, the FPGA control module, 3, the optical-fibre communications unit, 4, the keyboard input block, 5, power supply unit, 6, the LCD display unit.
Fig. 2 is the program control flow chart of the utility model.
Embodiment
1-2 specifically is further described the utility model below in conjunction with accompanying drawing:
High voltage transducer power unit proving installation based on DSP and FPGA; Form by DSP control module, FPGA control module, LCD display unit, keyboard input block, power supply unit and optical-fibre communications unit; The DSP control module is connected with LCD display unit, keyboard input block respectively; The DPS control module is connected through two-way SPWM, address bus and data bus with the FPGA control module; The optical-fibre communications unit is connected with the FPGA control module, and power supply unit is connected with DPS control module, FPGA control module respectively.The DSP control module is to be main control chip with TMS320F2812, comprises that LCD shows that single, keyboard input block accomplishes issuing of control command, and pwm control signal passes down, failure message is handled and control algolithm realizes.The FPGA control module is to be acp chip with EP3C16Q240, accomplishes the failure message that two-way PWM coding and decoding power cell are uploaded.The LCD display unit is a display device with LM3033CDW-0B, and serial and parallel communication dual mode are arranged, and what the utility model was used is the parallel communication mode, shows that control is by programmed control among the DSP.
The principle of system: native system is mainly accomplished the transmission of two-way SPWM coding, failure message analytical capabilities.Select control algolithm through button and liquid crystal display: V/F constant proportion algorithm and V/F no-load voltage ratio algorithm, DSP carry out SPWM output and reach from FPGA read failure information according to the control command that receives.FPGA mainly accomplishes two-way SPWM ripple coding and failure message analytical capabilities.The SPWM drive signal of equipment and power cell status information are sent through optical fiber and are received.16 buttons and LCD (LM3033CDW-0B) are accomplished the man-machine interaction of system; T1521 and R2521 fiber optical transceiver are accomplished the transmission of communication and control signal; Power supply unit is by power supply chip TPS70351PWP, ASM1117_1.2 and the power supply of ASM1117_2.5 completion system.
Software scenario: dsp software flow process such as Fig. 2, mainly accomplish following function: key functional module, display module, fault processing module, control algolithm module, PWM generation module; The PWM frequency is 2000Hz, and all functions are all accomplished in 500 microseconds, and 500 delicate timeslices are accomplished by the EVA of DSP; FPGA mainly accomplishes following function: exchanges data between biography under the serial failure message that parsing is uploaded by power cell, two-way PWM encode (with passing through an optical fiber transmission behind the two-way PWM information coding), completion and DSP and the reception of PWM.The dsp program control section is through real fault handling of software program and control algolithm; The fpga logic control section realizes that the PWM coding passes and resolve the failure message of being uploaded by power cell down; The LCD display part shows DSP and FPGA process result in real time; Optical-fibre communications then is the interference of isolating, reduce the high pressure long-distance transmissions.
High voltage converter for each power unit module carries out single machine test, mainly comprises: low pressure functional test, rated voltage no load test, rated voltage full load test, rated voltage overload measurement and overvoltage functional test before the system high pressure test.The goal of the invention of this equipment is to solve the product function upset condition that the not strict quality problems that cause of quality control and device quality problem cause in the production run, prepares for the high-pressure system test, avoids the extension of unit problem.
The utility model belongs to the testing apparatus of high-voltage high-power frequency transformator, the main test of accomplishing the single power unit module performance of high voltage converter: the test of serviceability under PWM decoding performance, communication performance, unit module overload performance and the non-rated voltage.High voltage transducer power unit proving installation design proposal that the utility model provides is through practice test, and its advantages of small volume, easy to use, friendly man-machine interface and high reliability obtain the consistent of tester and approve.
Claims (4)
1. based on the high voltage transducer power unit proving installation of DSP and FPGA; Form by DSP control module, FPGA control module, LCD display unit, keyboard input block, power supply unit and optical-fibre communications unit; It is characterized in that: the DSP control module is connected with LCD display unit, keyboard input block respectively; The DPS control module is connected with the FPGA control module, and the optical-fibre communications unit is connected with the FPGA control module, and power supply unit is connected with DPS control module, FPGA control module respectively.
2. the high voltage transducer power unit proving installation based on DSP and FPGA according to claim 1 is characterized in that: the DSP control module is to be main control chip with TMS320F2812.
3. the high voltage transducer power unit proving installation based on DSP and FPGA according to claim 1 is characterized in that: the FPGA control module is to be acp chip with EP3C16Q240.
4. the high voltage transducer power unit proving installation based on DSP and FPGA according to claim 1 is characterized in that: the optical-fibre communications unit is made up of T1521 and R2521 fiber optical transceiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202190619U CN202159103U (en) | 2011-06-27 | 2011-06-27 | Testing device for power unit of high-voltage frequency converter based on digital signal processor (DSP) and field programmable gata array (FPGA) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202190619U CN202159103U (en) | 2011-06-27 | 2011-06-27 | Testing device for power unit of high-voltage frequency converter based on digital signal processor (DSP) and field programmable gata array (FPGA) |
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| Publication Number | Publication Date |
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| CN202159103U true CN202159103U (en) | 2012-03-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011202190619U Expired - Fee Related CN202159103U (en) | 2011-06-27 | 2011-06-27 | Testing device for power unit of high-voltage frequency converter based on digital signal processor (DSP) and field programmable gata array (FPGA) |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103558473A (en) * | 2013-11-06 | 2014-02-05 | 南车株洲电力机车研究所有限公司 | Transducer field debugging system based on human-computer interaction interface and transducer field debugging method |
| CN103884941A (en) * | 2014-03-28 | 2014-06-25 | 深圳市英威腾电气股份有限公司 | High-voltage inverter, power unit and method and system for testing power unit |
| CN114200234A (en) * | 2021-12-06 | 2022-03-18 | 广东电网有限责任公司 | Power module test system |
-
2011
- 2011-06-27 CN CN2011202190619U patent/CN202159103U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103558473A (en) * | 2013-11-06 | 2014-02-05 | 南车株洲电力机车研究所有限公司 | Transducer field debugging system based on human-computer interaction interface and transducer field debugging method |
| CN103558473B (en) * | 2013-11-06 | 2016-02-24 | 南车株洲电力机车研究所有限公司 | Based on frequency converter field debugging system and the method thereof of human-computer interaction interface |
| CN103884941A (en) * | 2014-03-28 | 2014-06-25 | 深圳市英威腾电气股份有限公司 | High-voltage inverter, power unit and method and system for testing power unit |
| CN114200234A (en) * | 2021-12-06 | 2022-03-18 | 广东电网有限责任公司 | Power module test system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HARBIN JIUZHOU ELECTRICAL TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: JIUZHOU ELECTRIC CO LTD, HARBIN Effective date: 20120808 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 150081 HARBIN, HEILONGJIANG PROVINCE TO: 150028 HARBIN, HEILONGJIANG PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20120808 Address after: 150028, No. 1, unit D43, building -29, phase three, Shimao new town, Songbei, Harbin, Heilongjiang, Binjiang Patentee after: Harbin Jiuzhou Electrical Technology Co.,Ltd. Address before: 150081 Heilongjiang Province, Harbin city Nangang District haping Road No. 162 Patentee before: Jiuzhou Electric Co., Ltd., Harbin |
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| ASS | Succession or assignment of patent right |
Owner name: ROCKWELL AUTOMATION CONTROL INTEGRATION (HARBIN) C Free format text: FORMER OWNER: HARBIN JIUZHOU ELECTRICAL TECHNOLOGY CO., LTD. Effective date: 20121108 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 150028 HARBIN, HEILONGJIANG PROVINCE TO: 150040 HARBIN, HEILONGJIANG PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20121108 Address after: 150040 Heilongjiang Province, Harbin city Nangang District haping Road No. 162 Patentee after: HARBIN JIUZHOU ELECTRIC CO., LTD. Address before: 150028, No. 1, unit D43, building -29, phase three, Shimao new town, Songbei, Harbin, Heilongjiang, Binjiang Patentee before: Harbin Jiuzhou Electrical Technology Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120307 Termination date: 20200627 |