CN202206316U - Voltage sag generator - Google Patents
Voltage sag generator Download PDFInfo
- Publication number
- CN202206316U CN202206316U CN2011202954942U CN201120295494U CN202206316U CN 202206316 U CN202206316 U CN 202206316U CN 2011202954942 U CN2011202954942 U CN 2011202954942U CN 201120295494 U CN201120295494 U CN 201120295494U CN 202206316 U CN202206316 U CN 202206316U
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- contactor
- control
- switch
- control unit
- voltage
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Abstract
The utility model relates to the field of power equipment, in particular to a voltage sag generator. The voltage sag generator comprises a control unit and a working unit, wherein the control unit and the working unit are two paths of parallel circuits; alternating current is input into one path and connected with the control unit, and the other path is connected with the working unit; the working unit comprises a voltage regulator, a second contactor and a third contactor; a switching part of the third contactor is connected in series with the voltage regulator and connected in parallel with a switching part of the second contactor; the control unit comprises a rectification module, a control module and a touch screen; the control module comprises a control singlechip, an analog power failure switch and an analog power sag switch; the touch screen, the analog power failure switch and the analog power sag switch are connected with the control singlechip respectively; a coil part of the second contactor and a coil part of the third contactor in the working circuit are connected with the control port of the control singlechip respectively. In the voltage sag generator, the ABBAE63 contactors are adopted, so voltage sudden reduction or boosting can be realized more quickly.
Description
Technical field
This novel practical relates to field of electrical equipment, especially is a kind of voltage dip appearance.
Background technology
Voltage dip be voltage effective value reduce to nominal value 10% to 90%, and the duration be that (typical case is one of quality of power supply incident of 10ms～600ms) duration to 10ms to 1min.Serious voltage dip will make power consumption equipment quit work, or cause that institute's production product quality descends.The seriousness of voltage dip influence is then different with the characteristic of power consumption equipment.Generally speaking, industrial process equipment is responsive especially to voltage dip, because any one element all can make whole flow process shut down owing to power supply goes wrong in the equipment.These industrial processs relate to fields such as automobile, semiconductor, plastics, petrochemical industry, weaving, optical fiber, beverage dairy industry, mobile communication, and the visual plant that influenced by voltage dip has cooling device control, direct current machine driving, programmable logic controller (PLC) (PLC), mechanical device, adjustable speed drive unit etc.
Because voltage dip can bring heavy losses, the electric equipment of increasing anti-rolling obtains using very widely at industrial circle, and the while is the stability of the electric equipment work performance of these anti-rollings of requirement for height also.In order to detect the performance of the electric equipment of anti-rolling, need real-time condition through simulation rolling electricity, connect anti-electric equipment of rolling and load, detect the electric equipment of anti-rolling working condition when the rolling electricity takes place.
Summary of the invention
The utility model purpose is to the prior art situation a kind of voltage dip appearance to be provided, and is specifically realized by following technical scheme:
The voltage dip appearance comprises control unit and working cell, it is characterized in that: said control unit and working cell are the two-way parallel circuit, exchange input one tunnel and connect control unit, and another road connects the working cell; Said working cell comprises pressure regulating instrument, second contactor and the 3rd contactor, and is parallelly connected with the switch sections of second contactor after the switch sections of said the 3rd contactor is connected with pressure regulating instrument;
Said control unit comprises rectification module (supplying power to control module after will exchanging input rectifying), control module and touch-screen; Said (exchanging input supplies power to control module through flow module) control module comprises control single chip computer, simulation power-off switch and simulation rolling electric switch; Said touch-screen, simulation power-off switch and simulation rolling electric switch are connected with control single chip computer respectively, and the coiler part of second contactor in the said operating circuit, the coiler part of the 3rd contactor connect the control single chip computer control port respectively.
Said operating circuit also is provided with (serial connection) first contactor, and said control unit is provided with (serial connection) emergency stop switch, and this emergency stop switch is connected in series the coiler part of first contactor, the switch sections cut-in operation unit of said first contactor.
Said first contactor, second contactor, the 3rd contactor adopt ABB AE63 contactor.
Said touch-screen is a prestige human relations MT6070iH type touch-screen.
The prior art of comparing of the utility model has following advantage:
The utility model adopts ABB AE63 contactor, can realize voltage collapse or rising quickly; The utility model is connected with installing with the anti-SOE equipment that shakes on the electric equipment, can shake the correlated performance data of electric equipment and on touch-screen, feeds back in real time resisting; The utility model can be provided with the step-down parameter through touch-screen.
Description of drawings
Fig. 1 is a voltage dip instrument circuit schematic diagram;
Fig. 2 is the control module circuit diagram;
Fig. 3 is a voltage dip appearance control panel sketch map.
Fig. 4 is the main control process flow figure of control module part single-chip microcomputer.
Embodiment:
As shown in Figure 1, the voltage dip appearance comprises control unit and working cell, and control unit and working cell are the two-way parallel circuit, exchanges input one tunnel and connects control unit, and another road connects the working cell; The working cell comprises pressure regulating instrument, second contactor and the 3rd contactor, and is parallelly connected with the switch sections of second contactor after the switch sections of the 3rd contactor is connected with pressure regulating instrument;
Control unit comprises rectification module (supplying power to control module after will exchanging input rectifying), control module and touch-screen; (exchanging input supplies power to control module through flow module) control module comprises control single chip computer, simulation power-off switch and simulation rolling electric switch; Touch-screen, simulation power-off switch and simulation rolling electric switch are connected with control single chip computer respectively, and the coiler part of second contactor in the operating circuit, the coiler part of the 3rd contactor connect the control single chip computer control port respectively.The main control process flow figure of control module part single-chip microcomputer is as shown in Figure 4.
Operating circuit also is provided with (serial connection) first contactor, and control unit is provided with (serial connection) emergency stop switch, and this emergency stop switch is connected in series the coiler part of first contactor, the switch sections cut-in operation unit of first contactor.
First contactor, second contactor, the 3rd contactor adopt ABB AE63 contactor.Touch-screen is a prestige human relations MT6070iH type touch-screen.The model of the single-chip microcomputer of control module is atmega128a.Touch-screen is connected communication through the MODBUS-RTU agreement with control module.
In conjunction with Fig. 3, during operation, the 380V voltage that rectification module will insert voltage dip appearance control unit is converted into 220V voltage confession control unit electricity consumption needs, the input termination 380V alternating current of working cell, and output is connected with the electric equipment of outside anti-rolling.Touch-screen is delivered to control module through communication module with the step-down parameter, and control module changes output voltage through the folding control pressure regulating instrument of the switch sections of control second, third contactor AK2 and AK3.
1, normal voltage output; The input of 380V three-phase alternating voltage; Control single chip computer control
is closed,
opens, and is output as the 380V three-phase alternating voltage.
2, the simulation output that has a power failure is in short-term at first set the parameter that has a power failure in short-term through touch-screen, for example establishes the simulation 20ms that has a power failure in short-term, sets the duration 20ms that has a power failure in short-term at touch-screen, and frequency of power cut once.Beginning 380V three-phase alternating voltage is normally exported; Press the simulation power-off switch button on the control panel this moment; By control module control
open,
open; Keep 20ms and carry out the 20ms simulation that has a power failure in short-term;
closes then,
open, and normally exports the 380V three-phase alternating voltage.
3, shake electrical analogue output in short-term, at first regulate the rolling piezoelectric voltage, set shaking electrical quantity in short-term, for example carry out duration 200ms rolling electricity four times, at interval 1s through touch-screen through voltage regulator.Beginning 380V three-phase alternating voltage is normally exported; Press the simulation power-off switch button on the control panel this moment; By control module control
open,
close; Keeping 200ms carries out 200ms and shakes electrical analogue in short-term;
closes then,
open; Lasting 1s normally exports the 380V three-phase alternating voltage; So circulation realizes 200ms rolling electricity for four times four times, at interval 1s.
Claims (4)
1. the voltage dip generator comprises control unit and working cell, it is characterized in that: said control unit and working cell are the two-way parallel circuit, exchange input one tunnel and connect control unit, and another road connects the working cell; Said working cell comprises pressure regulating instrument, second contactor and the 3rd contactor, and is parallelly connected with the switch sections of second contactor after the switch sections of said the 3rd contactor is connected with pressure regulating instrument;
Said control unit comprises rectification module, control module and touch-screen; Said control module comprises control single chip computer, simulation power-off switch and simulation rolling electric switch; Said touch-screen, simulation power-off switch and simulation rolling electric switch are connected with control single chip computer respectively, and the coiler part of second contactor in the said operating circuit, the coiler part of the 3rd contactor connect the control single chip computer control port respectively.
2. voltage dip generator according to claim 1; It is characterized in that: said operating circuit also is provided with first contactor; Said control unit is provided with emergency stop switch, and this emergency stop switch is connected in series the coiler part of first contactor, the switch sections cut-in operation unit of said first contactor.
3. voltage dip generator according to claim 2 is characterized in that: said first contactor, second contactor, the 3rd contactor adopt ABB AE63 contactor.
4. voltage dip generator according to claim 2 is characterized in that: said touch-screen is a prestige human relations MT6070iH type touch-screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202954942U CN202206316U (en) | 2011-08-15 | 2011-08-15 | Voltage sag generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202954942U CN202206316U (en) | 2011-08-15 | 2011-08-15 | Voltage sag generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202206316U true CN202206316U (en) | 2012-04-25 |
Family
ID=45970411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202954942U Expired - Lifetime CN202206316U (en) | 2011-08-15 | 2011-08-15 | Voltage sag generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202206316U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103631151A (en) * | 2013-11-11 | 2014-03-12 | 广州供电局有限公司 | Voltage sag physical simulation system and control method thereof |
| CN106597319A (en) * | 2016-11-17 | 2017-04-26 | 国网北京市电力公司 | Direct current load characteristic detection system |
| CN109144159A (en) * | 2018-09-14 | 2019-01-04 | 江苏国网自控科技股份有限公司 | A kind of single-phase rolling electrical analogue generating device and its control method based on self-contained power voltage regulator controllers |
-
2011
- 2011-08-15 CN CN2011202954942U patent/CN202206316U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103631151A (en) * | 2013-11-11 | 2014-03-12 | 广州供电局有限公司 | Voltage sag physical simulation system and control method thereof |
| CN103631151B (en) * | 2013-11-11 | 2017-10-03 | 广州供电局有限公司 | voltage sag physical simulation system and its control method |
| CN106597319A (en) * | 2016-11-17 | 2017-04-26 | 国网北京市电力公司 | Direct current load characteristic detection system |
| CN109144159A (en) * | 2018-09-14 | 2019-01-04 | 江苏国网自控科技股份有限公司 | A kind of single-phase rolling electrical analogue generating device and its control method based on self-contained power voltage regulator controllers |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120425 |