CN108646103A - Automatic kernel phase system based on car switch and device - Google Patents
Automatic kernel phase system based on car switch and device Download PDFInfo
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- CN108646103A CN108646103A CN201810321236.3A CN201810321236A CN108646103A CN 108646103 A CN108646103 A CN 108646103A CN 201810321236 A CN201810321236 A CN 201810321236A CN 108646103 A CN108646103 A CN 108646103A
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- car switch
- outgoing line
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- 238000009826 distribution Methods 0.000 claims abstract description 25
- 238000004891 communication Methods 0.000 claims abstract description 15
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 13
- 230000005611 electricity Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/18—Indicating phase sequence; Indicating synchronism
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- General Physics & Mathematics (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The invention discloses a kind of automatic kernel phase system and device based on car switch, including current detection section, logic judgment part and segment signal output, the voltage sensor that current detection section is installed by car switch three-phase bus side with outgoing line side both ends forms, voltage value for acquiring both ends and angle values, utilize above-mentioned acquired data, judge A by logic judgment part, B, whether C three-phase bus side is corresponding with outgoing line side voltage phase angle, whether phase is correct, and this judging result is showed by the liquid crystal display and alarm of segment signal output, and by the original communication module of distribution automation, it is conveyed in system, it is checked for an operating personnel distant place, the configuration of the present invention is simple, it is easy to operate, save the nuclear phase time of staff, improve the operating efficiency of distribution net equipment.
Description
Technical field：
The present invention relates to a kind of power technology control field, more particularly to a kind of automatic kernel phase system based on car switch and
Device.
Background technology：
With the rapid development of urban distribution network, previous overhead transmission line is gradually replaced by cable, the distributions such as switching station, power distribution room
Equipment also increases therewith, and distribution contact complexity is more come more greatly, and requirement of the user to power supply quality and power supply reliability is also more next
It is higher.Therefore, Guo Wang companies are proposed distribution automation system energetically, have both improved the reliability of power supply quality and power supply, have expanded
The ability of power supply, the high-efficiency and economic operation for realizing power distribution network, and realize one of the important foundation of intelligent grid.However currently,
The problems such as inevitably will appear equipment alteration in distribution, can cause phase change under partial picture, although there are cores in the prior art
Phase equipment, but alarmed by indicator light, there is no mutually carrying out for judgement to mistake, and specific mistake mutually also needs to grasp
Make personnel and reach scene to switch both sides progress phase checking work, increases the complexity of operation, reduce holding for operation
Line efficiency has seriously affected the characteristics of the convenient of distribution automation system is with automation.
Invention content：
The technical problem to be solved by the present invention is to：It overcomes the deficiencies of the prior art and provide a kind of for solving part in background
Operation needs the automatic kernel phase system and device based on car switch of live nuclear phase problem.
The technical scheme is that：A kind of automatic kernel phase system based on car switch comprising following steps：1)、
Acquire the voltage value and angle values of car switch three-phase bus side and six tunnel of outgoing line side both ends；
2), logic judgment part is compared six road voltage acquisition signal of both sides, and within the scope of allowable error, judge A,
B, whether C three-phase bus side is corresponding with outgoing line side voltage phase angle, and whether phase is correct, and is mutually analyzed and determined to mistake, really
Recognize the two-phase or three-phase of existing mistake；
3) it, will determine that result is presented by the liquid crystal display and alarm of segment signal output, confirm for Field Force；
4), by the original communication module of distribution automation, judging result is conveyed in system, is looked into for an operating personnel distant place
It sees.
The step 2）Judgment step be：1. comparing whether both sides voltage amplitude value difference is more than ± 5%：Exceed model if existing
It encloses, then directly sends out alarm signal to segment signal output；If difference in magnitude is normal, continue to judge phase relation；
2. the bus bar side three-phase voltage phase angle signal that acquisition comes is compared with outgoing line side by CPU respectively, phase angle difference is no more than
± 30 degree correct for phase：If bus bar side and outgoing line side three-phase voltage phase angle are correct, CPU exports correct signal, is sent to letter
Number output par, c；If bus bar side and outgoing line side three-phase voltage phase angle all go beyond the scope, CPU output error signals are sent to letter
Number output par, c；
3. if the two-phase phase angle situation that goes beyond the scope occur takes out a phase forward in bus bar side two-phase according to the sequence of A, B, C
Phase angle signal is compared with other outlet side two-phases successively, finds the phase differed with its phase less than ± 30 degree, will be corresponding
Signal is sent to segment signal output.
The step 3）Rendering step be：If step 2）Middle logic judgment part output corresponds to busbar, outgoing line side phase
Unanimously, the display " all correct " in LCD screen, otherwise according to it is wrong mutually as a result, in LCD screen by the two-phase of mistake or
Three-phase is marked with apparent line segment, and prompts nuclear phase mistake by alarm.
The step 1）In voltage value and angle values by car switch three-phase bus side and outgoing line side both ends it is ad hoc
Voltage sensor is acquired, and the logic judgment module includes signal amplifier, filter and the CPU interconnected.
A kind of automatic phase checking device based on car switch, including car body are provided with three-phase bus nuclear phase on the car body
It is provided with to voltage value and angle values on arm and three-phase outlet nuclear phase arm, the three-phase bus nuclear phase arm and three-phase outlet nuclear phase arm
The voltage sensor being acquired, the voltage sensor are connect with logic judgment module, and the logic judgment module includes mutual
Signal amplifier, filter and the CPU being connected, the CPU are connect with segment signal output and communication module, the communication mould
Block is connect with distribution automation system.
The segment signal output includes liquid crystal display and alarm, and the communication module passes through nothing with distribution automation system
Line is connected through a wired connection.
The beneficial effects of the invention are as follows：
1, the present invention utilizes voltage sensor collection voltages value and angle values, judges A, B, C three-phase by logic judgment part
Whether bus bar side is corresponding with outgoing line side voltage phase angle, and whether phase is correct, and this judging result is passed through segment signal output
Liquid crystal display and alarm show, in addition, and by the original communication module of distribution automation, being conveyed in system, confession
Operating personnel check in a distant place, simple in structure, easy to operate, save the nuclear phase time of staff, improve distribution net equipment
Operating efficiency.
2, the configuration of the present invention is simple, it is easy to operate, the danger of car switch scene nuclear phase is reduced, distribution is improved and sets
Standby operating efficiency, meanwhile, it can quickly confirm wrong phase, reduce the tedious work that car switch is pulled out, is sent into repeatedly, save
Working time of execute-in-place.
3, the present invention can facilitate remote monitoring personnel to check, record by the original communication module of automation.
Description of the drawings：
Fig. 1 is the structural schematic diagram of the automatic kernel phase system based on car switch.
Fig. 2 is the connection block diagram of the automatic kernel phase system based on car switch.
Fig. 3 is the decision flow chart of logic judgment module.
Fig. 4 is the structural schematic diagram of liquid crystal display.
Specific implementation mode：
Embodiment：Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4.
As shown in Figure 1, be provided with three-phase bus nuclear phase arm and three-phase outlet nuclear phase arm on car body, three-phase bus nuclear phase arm and
It is provided with the voltage sensor being acquired to voltage value and angle values on three-phase outlet nuclear phase arm（Current detection section）, voltage
Sensor is connect with logic judgment module, and logic judgment module includes signal amplifier, filter and the CPU interconnected, CPU
It is connect with segment signal output and communication module, communication module is connect with distribution automation system；Segment signal output includes liquid
Crystalline substance screen and alarm, communication module is with distribution automation system by being wirelessly or non-wirelessly attached.
Its course of work includes the following steps：1), voltage sensor acquisition car switch three-phase bus side and outgoing line side two
Hold the voltage value and angle values on six tunnels.
2), as shown in Figure 3：1. comparing whether both sides voltage amplitude value difference is more than ± 5%：If in the presence of going beyond the scope, directly to
Segment signal output sends out alarm signal；If difference in magnitude is normal, continue to judge phase relation；
2. the bus bar side three-phase voltage phase angle signal that acquisition comes is compared with outgoing line side by CPU respectively, phase angle difference is no more than
± 30 degree correct for phase：If bus bar side and outgoing line side three-phase voltage phase angle are correct, CPU exports correct signal, is sent to letter
Number output par, c；If bus bar side and outgoing line side three-phase voltage phase angle all go beyond the scope, CPU output error signals are sent to letter
Number output par, c；
3. if the two-phase phase angle situation that goes beyond the scope occur takes out a phase forward in bus bar side two-phase according to the sequence of A, B, C
Phase angle signal is compared with other outlet side two-phases successively, finds the phase differed with its phase less than ± 30 degree, will be corresponding
Signal is sent to segment signal output.
3), as shown in figure 4, segment signal output is made of liquid crystal display and alarm, mainly it is supplied to Field Force true
Recognize, corresponding phase condition is shown according to logic judgment part output signal（Wherein capitalization is bus bar side, and lowercase is
Outgoing line side）：If being connected to phase correct signal, only shown in liquid crystal display " all correct "；If there is A, B two-phase phase dislocation
Accidentally, then the dotted line between A and b is only shown in liquid crystal display；If there is A, C two-phase phase error, A is only shown in liquid crystal display
Dotted line between c；If there is B, C two-phase phase error, the dotted line between B and c is only shown in liquid crystal display；If occurring three
Phase phase all mistakes are then shown in liquid crystal display " all mistakes ".At the same time, as long as there is voltage-phase mistake or difference in magnitude
Larger situation can all trigger alarm module, prompt nuclear phase mistake.
4), the controller switching equipments such as current switching station, power distribution room pass through network connection, communication with power grid electrical power distribution automatization system
Module in the form of a signal by nuclear phase result is sent to distribution automation by original network system and filter amplification circuit
In system, for the phase change situation of each interconnection switch in monitoring personnel real-time remote monitoring distribution.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, it is all
It is that any simple modification, equivalent change and modification made by above example are still fallen within according to the technical essence of the invention
In the range of technical solution of the present invention.
Claims (6)
1. a kind of automatic kernel phase system based on car switch comprising following steps：1), acquisition car switch three-phase bus side
With the voltage value and angle values on six tunnel of outgoing line side both ends；
2), logic judgment part is compared six road voltage acquisition signal of both sides, and within the scope of allowable error, judge A,
B, whether C three-phase bus side is corresponding with outgoing line side voltage phase angle, and whether phase is correct, and is mutually analyzed and determined to mistake, really
Recognize the two-phase or three-phase of existing mistake；
3) it, will determine that result is presented by the liquid crystal display and alarm of segment signal output, confirm for Field Force；
4), by the original communication module of distribution automation, judging result is conveyed in system, is looked into for an operating personnel distant place
It sees.
2. the automatic kernel phase system according to claim 1 based on car switch, it is characterized in that：The step 2）Judgement
Step is：1. comparing whether both sides voltage amplitude value difference is more than ± 5%：If in the presence of going beyond the scope, directly sent out to segment signal output
Go out alarm signal；If difference in magnitude is normal, continue to judge phase relation；
2. the bus bar side three-phase voltage phase angle signal that acquisition comes is compared with outgoing line side by CPU respectively, phase angle difference is no more than
± 30 degree correct for phase：If bus bar side and outgoing line side three-phase voltage phase angle are correct, CPU exports correct signal, is sent to letter
Number output par, c；If bus bar side and outgoing line side three-phase voltage phase angle all go beyond the scope, CPU output error signals are sent to letter
Number output par, c；
3. if the two-phase phase angle situation that goes beyond the scope occur takes out a phase forward in bus bar side two-phase according to the sequence of A, B, C
Phase angle signal is compared with other outlet side two-phases successively, finds the phase differed with its phase less than ± 30 degree, will be corresponding
Signal is sent to segment signal output.
3. the automatic kernel phase system according to claim 1 based on car switch, it is characterized in that：The step 3）Presentation
Step is：If step 2）Middle logic judgment part output correspondence busbar, outgoing line side phase are consistent, and display is " complete in LCD screen
Portion is correct ", otherwise according to it is wrong mutually as a result, in LCD screen by the two-phase of mistake or three-phase with apparent line segment into rower
Note, and nuclear phase mistake is prompted by alarm.
4. the automatic kernel phase system according to claim 1 based on car switch, it is characterized in that：The step 1）In electricity
Pressure value and angle values are acquired by the car switch three-phase bus side voltage sensor ad hoc with outgoing line side both ends, described to patrol
It includes signal amplifier, filter and the CPU interconnected to collect judgment module.
5. a kind of automatic phase checking device based on car switch, including car body, three-phase bus nuclear phase arm is provided on the car body
With three-phase outlet nuclear phase arm, it is characterized in that：It is provided with to voltage value on the three-phase bus nuclear phase arm and three-phase outlet nuclear phase arm
The voltage sensor being acquired with angle values, the voltage sensor are connect with logic judgment module, the logic judgment mould
Block includes signal amplifier, filter and the CPU interconnected, and the CPU is connect with segment signal output and communication module, institute
Communication module is stated to connect with distribution automation system.
6. the automatic kernel phase system according to claim 5 based on car switch, it is characterized in that：The segment signal output
Including liquid crystal display and alarm, the communication module is with distribution automation system by being wirelessly or non-wirelessly attached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810321236.3A CN108646103A (en) | 2018-04-11 | 2018-04-11 | Automatic kernel phase system based on car switch and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810321236.3A CN108646103A (en) | 2018-04-11 | 2018-04-11 | Automatic kernel phase system based on car switch and device |
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| CN108646103A true CN108646103A (en) | 2018-10-12 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110988477A (en) * | 2019-12-24 | 2020-04-10 | 广东电网有限责任公司 | Power grid phase judgment and checking method |
| CN117154832A (en) * | 2023-08-30 | 2023-12-01 | 江苏省电力试验研究院有限公司 | Wireless nuclear phase auxiliary device, system and method for uninterrupted operation power generation vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110988477A (en) * | 2019-12-24 | 2020-04-10 | 广东电网有限责任公司 | Power grid phase judgment and checking method |
| CN117154832A (en) * | 2023-08-30 | 2023-12-01 | 江苏省电力试验研究院有限公司 | Wireless nuclear phase auxiliary device, system and method for uninterrupted operation power generation vehicle |
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