CN203387410U - Intelligent intermediate-frequency high-voltage power supply control system for electric precipitation - Google Patents
Intelligent intermediate-frequency high-voltage power supply control system for electric precipitation Download PDFInfo
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- CN203387410U CN203387410U CN201320345611.0U CN201320345611U CN203387410U CN 203387410 U CN203387410 U CN 203387410U CN 201320345611 U CN201320345611 U CN 201320345611U CN 203387410 U CN203387410 U CN 203387410U
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- intelligent
- intermediate frequency
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Abstract
The utility model provides an intelligent intermediate-frequency high-voltage power supply control system for electric precipitation, wherein a three-phase tripped circuit breaker of the system is connected with a controllable rectifier, a current transformer and an intelligent control module; the controllable rectifier is connected with a filter and the intelligent control module; the filter is connected with an intermediate-frequency frequency conversion inverter; the intermediate-frequency frequency conversion inverter is connected with an intermediate-frequency inductor and an IGBT driver circuit, and a first feedback signal is sent to the intelligent control module by the intermediate-frequency frequency conversion inverter; the intermediate-frequency inductor, a rectifier transformer and a high-voltage electrostatic precipitation electric field load are connected sequentially, and a second feedback signal is sent to the intelligent control module by the high-voltage electrostatic precipitation electric field load; and the intelligent control module is connected with the IGBT driver circuit. A steady voltage can be output by the system and a higher DC voltage can be supplied to a deduster, energy is saved, and the intelligent intermediate-frequency high-voltage power supply control system is advantaged by high automation degree, good stability, excellent performance, long faultless operation time and high dedusting efficiency.
Description
Technical field
The utility model relates to a kind of electric precipitation Intelligent medium-frequency high-voltage power control system.
Background technology
Although ESP Efficiency reaches more than 99%, because current deduster is supporting single phase poaer supply, secondary voltage is on the low side, and easily back corona phenomenon occurs, and fails the discharge of the following particle of PM2.5um is realized effectively controlling.We also often can see that electric cleaner changes five electric fields into from three electric fields, but still do not reach 50mg/m
3the concentration of emission requirement.The old deduster that effectively Retrofit on electrostatic precipitator has especially been finalized the design to body is transformed, and is equipped with state-of-the-art power technology, intelligent control and improves the key that the efficiency that fine particle is collected is only transformation.
Continuous progress along with technology, particularly power electronic device of new generation as: the IGBT(insulated gate bipolar transistor), the IPM(Intelligent Power Module) etc. application, the high frequency electric source that the three-phase equilibrium input can effectively improve again ash removal efficiency is coming into the market abroad.Corresponding high pressure silicon rectifying transformer just becomes that volume is little, lightweight, loss is few, low cost and technological performance.
Summary of the invention
The technical problems to be solved in the utility model, be to provide a kind of output voltage steadily and can provide higher direct voltage to deduster, have energy savings, automaticity is high, good stability, performance is excellent, non-failure operation time is long, ash removal efficiency is high Intelligent medium-frequency high-voltage power control system.The volume of the rectifier transformer that it is joined is little, lightweight, low cost, efficiency are high.
The utility model is achieved in that a kind of electric precipitation Intelligent medium-frequency high-voltage power control system, comprises circuit breaker, controlled rectifier, filter, current transformer, IGBT drive circuit, intelligent control module, intermediate frequency variable frequency inverter, intermediate frequency inductance, rectifier transformer and the load of high-pressure electrostatic precipitation electric field that three facies tracts are threaded off; The circuit breaker that described three facies tracts are threaded off is connected with described controlled rectifier, current transformer, intelligent control module respectively; Described controlled rectifier is connected with intelligent control module with filter respectively; Described filter is connected with described intermediate frequency variable frequency inverter; Described intermediate frequency variable frequency inverter is connected with the IGBT drive circuit with intermediate frequency inductance respectively, and the intermediate frequency variable frequency inverter feeds back signal to intelligent control module by first; Described intermediate frequency inductance, rectifier transformer, the load of high-pressure electrostatic precipitation electric field connect successively, and the load of high-pressure electrostatic precipitation electric field feeds back signal to intelligent control module by second; Described intelligent control module is connected with described IGBT drive circuit.
Further, described intelligent control module adopts dsPIC33F chip and intelligent power module to form.
The utility model has the advantage of: the utility model adopts the intelligent control module of dsPIC33F chip and up-to-date intelligent power module composition, supply frequency is adjustable from 0Hz to 1000Hz, and 1000Hz medium-frequency high-voltage silicon rectifying transformer forms electric precipitation Intelligent medium-frequency high-voltage power supply jointly.Be connected with electrical network, be furnished with circuit breaker, current transformer that heat is threaded off, in conjunction with " overvoltage, over-current detection unit ", can, to faults such as apparatus overload, short circuit and power model puncture, realize protection immediately.The utility model energy output voltage steadily and can provide higher direct voltage to deduster, has energy savings, and automaticity is high, good stability, performance is excellent, non-failure operation time is long, ash removal efficiency is high.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Refer to shown in Fig. 1, the utility model is a kind of electric precipitation Intelligent medium-frequency high-voltage power control system, comprises circuit breaker 1, controlled rectifier 2, filter 3, current transformer 4, IGBT drive circuit 5, intelligent control module 6, intermediate frequency variable frequency inverter 7, intermediate frequency inductance 8, rectifier transformer 9 and high-pressure electrostatic precipitation electric field load 10 that three facies tracts are threaded off; The circuit breaker 1 that described three facies tracts are threaded off is connected with described controlled rectifier 2, current transformer 4, intelligent control module 6 respectively; Described controlled rectifier 2 is connected with intelligent control module 6 with filter 3 respectively; Described filter 3 is connected with described intermediate frequency variable frequency inverter 7; Described intermediate frequency variable frequency inverter 7 is connected with IGBT drive circuit 5 with intermediate frequency inductance 8 respectively, and intermediate frequency variable frequency inverter 7 feeds back signal to intelligent control module 6 by first; Described intermediate frequency inductance 8, rectifier transformer 9, high-pressure electrostatic precipitation electric field load 10 connect successively, and high-pressure electrostatic precipitation electric field load 10 feeds back signal to intelligent control module 6 by second; Described intelligent control module 6 is connected with described IGBT drive circuit 5.
Wherein, described intelligent control module 6 adopts dsPIC33F chip (not shown) and intelligent power module (not shown) to form.This intelligent power module is connected with the dsPIC33F chip; This dsPIC33F chip is connected with circuit breaker 1, controlled rectifier 2, IGBT drive circuit 5 that three facies tracts are threaded off respectively.
The utility model adopts the intelligent control module of dsPIC33F chip and up-to-date intelligent power module composition, and supply frequency is adjustable from 0Hz to 1000Hz, and 1000Hz medium-frequency high-voltage silicon rectifying transformer forms electric precipitation Intelligent medium-frequency high-voltage power supply jointly.What intelligent control module partly adopted is advanced at present singlechip chip, and adapted high reliability peripheral chip forms, and can in full-time territory, be detected and control.Be connected with electrical network, be furnished with circuit breaker, current transformer that heat is threaded off, in conjunction with " overvoltage, over-current detection unit ", can, to faults such as apparatus overload, short circuit and power model puncture, realize protection immediately.Adopt the transmission of Low ESR signal and waveform shaping circuit design, improved the antijamming capability under the condition that equipment is severe in the electric field operating mode, flue gas changes complexity and the mains by harmonics component is many.Adopt the configuration of high impedance (impedance voltage 35～42%) intermediate frequency transformer, improved the voltage-current characteristic to the electric field power supply.Be furnished with anti-corona rapping interlock interface, during to the high resistivity dust deashing, automatically convert intermittent power supply to, improved the vibration dust-cleaning effect and suppressed again reentrainment of dust.Can connect transmissometer, form the closed-loop control of electric cleaner by the transmissometer feedback signal, the flue gas operating mode of root a tree name transmissometer monitoring is adjusted electric current, the voltage of output in real time; Can guarantee that dust removal efficiency can save mass energy consumption again.Employing CAN bus structures can realize and the host computer networking that friendly man-machine interface is arranged easily, operation is controlled and become simple, flexible.
The foregoing is only preferred embodiment of the present utility model, all equalizations of doing according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.
Claims (2)
1. an electric precipitation Intelligent medium-frequency high-voltage power control system, it is characterized in that, comprise circuit breaker, controlled rectifier, filter, current transformer, IGBT drive circuit, intelligent control module, intermediate frequency variable frequency inverter, intermediate frequency inductance, rectifier transformer and the load of high-pressure electrostatic precipitation electric field that three facies tracts are threaded off; The circuit breaker that described three facies tracts are threaded off is connected with described controlled rectifier, current transformer, intelligent control module respectively; Described controlled rectifier is connected with intelligent control module with filter respectively; Described filter is connected with described intermediate frequency variable frequency inverter; Described intermediate frequency variable frequency inverter is connected with the IGBT drive circuit with intermediate frequency inductance respectively, and the intermediate frequency variable frequency inverter feeds back signal to intelligent control module by first; Described intermediate frequency inductance, rectifier transformer, the load of high-pressure electrostatic precipitation electric field connect successively, and the load of high-pressure electrostatic precipitation electric field feeds back signal to intelligent control module by second; Described intelligent control module is connected with described IGBT drive circuit.
2. a kind of electric precipitation Intelligent medium-frequency high-voltage power control system according to claim 1, is characterized in that: described intelligent control module employing dsPIC33F chip and intelligent power module composition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320345611.0U CN203387410U (en) | 2013-06-17 | 2013-06-17 | Intelligent intermediate-frequency high-voltage power supply control system for electric precipitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320345611.0U CN203387410U (en) | 2013-06-17 | 2013-06-17 | Intelligent intermediate-frequency high-voltage power supply control system for electric precipitation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203387410U true CN203387410U (en) | 2014-01-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320345611.0U Expired - Fee Related CN203387410U (en) | 2013-06-17 | 2013-06-17 | Intelligent intermediate-frequency high-voltage power supply control system for electric precipitation |
Country Status (1)
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| CN (1) | CN203387410U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016168970A1 (en) * | 2015-04-20 | 2016-10-27 | 深圳大学 | Intelligent power drive module |
| CN106423567A (en) * | 2016-12-05 | 2017-02-22 | 福建龙净环保股份有限公司 | Control method and control system for high voltage power package |
| US20170187235A1 (en) * | 2015-12-28 | 2017-06-29 | Runway Energy, LLC | Electrical power restoration system and method |
-
2013
- 2013-06-17 CN CN201320345611.0U patent/CN203387410U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016168970A1 (en) * | 2015-04-20 | 2016-10-27 | 深圳大学 | Intelligent power drive module |
| US20170187235A1 (en) * | 2015-12-28 | 2017-06-29 | Runway Energy, LLC | Electrical power restoration system and method |
| WO2017117069A1 (en) * | 2015-12-28 | 2017-07-06 | Runway Energy, LLC | Electrical power restoration system and method |
| CN108475993A (en) * | 2015-12-28 | 2018-08-31 | 跑道能源有限责任公司 | power recovery system and method |
| US10170930B2 (en) * | 2015-12-28 | 2019-01-01 | Runway Energy, LLC | Electrical power restoration system for a circuit assembly and method |
| US20190058353A1 (en) * | 2015-12-28 | 2019-02-21 | Runway Energy, LLC | Electrical power restoration system and method |
| US10965149B2 (en) * | 2015-12-28 | 2021-03-30 | Runway Energy, LLC | Electrical power restoration system for a circuit assembly and method |
| CN106423567A (en) * | 2016-12-05 | 2017-02-22 | 福建龙净环保股份有限公司 | Control method and control system for high voltage power package |
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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: 20140108 Termination date: 20150617 |
|
| EXPY | Termination of patent right or utility model |