CN110518553A - A kind of bus feeder line arc light protecting system - Google Patents
A kind of bus feeder line arc light protecting system Download PDFInfo
- Publication number
- CN110518553A CN110518553A CN201910774505.6A CN201910774505A CN110518553A CN 110518553 A CN110518553 A CN 110518553A CN 201910774505 A CN201910774505 A CN 201910774505A CN 110518553 A CN110518553 A CN 110518553A
- Authority
- CN
- China
- Prior art keywords
- bus
- feeder
- arc light
- light protecting
- feeder line
- 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.)
- Pending
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/021—Details concerning the disconnection itself, e.g. at a particular instant, particularly at zero value of current, disconnection in a predetermined order
- H02H3/023—Details concerning the disconnection itself, e.g. at a particular instant, particularly at zero value of current, disconnection in a predetermined order by short-circuiting
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to excess current
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/22—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systems; for switching devices
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- Locating Faults (AREA)
Abstract
The present invention relates to arc light protective device technical fields; specifically disclose a kind of bus feeder line arc light protecting system; it is electrically connected with main circuit breaker on one or two of power source bus and divides breaker; one end of power source bus is fixedly connected with connection sheet; several power feeders are connected in connection sheet; it is in series with feeder resistances on every power feeder, feeder breaker is electrically connected on power feeder, feeder line arc light protecting device is electrically connected between power feeder and the interval of power feeder.The present invention passes through the positional relationship between feeder line arc probe and feeder breaker; feeder line arc light protecting device can be made to can detecte power feeder to be monitored; make power feeder once occur arc light reaction can start feeder breaker at once; to protect feedline circuit, enable the device to provide the purpose of reliable accurately arc protection for entire power supply system.
Description
Technical field
The present invention relates to arc light protective device technical fields, and in particular to a kind of bus feeder line arc light protecting system.
Background technique
Arc protection refer to electric system it is various it is short-circuit due to can cause arc light, arc light can be with the speed of 300m/s
Outburst, destroys any substance on the way.As long as not powering off in system, arc light will be always existed.To reduce to greatest extent
The harm of arc light, it would be desirable to safely, promptly cut off arclight, behaviour can be protected when arc fault occurs in this way
It preserves from as personnel, and property loss degree abbreviation electric arc protection can be reduced.
The existing most center of gravity of arc light protecting device is placed on bus arc protection, by master control set and sensor to one section
The bus-bar room of bus is monitored.That there are costs if being used on feeder line arc protection is excessively high, tripping range is excessive,
The problems such as complicated, the switchgear processing inconvenience of installation, real protection effect is had a greatly reduced quality and economy is poor, and existing mother
Line arc light protecting device mostly uses greatly independent current acquisition unit and arc light unit form arranged apart, reliability it is lower and
Higher cost, single main control unit control range is extremely limited, is difficult to the bus arc protection of low-voltage cabinet, most of arc lights
All in 20ms or more, there is certain risk in the practical trip time of protection for disaster prevention and failure removal.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of bus feeder line arc light protecting system, has and is reducing optical fiber
Arrangement amount, while reducing project amount, and the advantages of can provide reliable and accurate arc protection for entire power supply system, solution
Existing reliability is lower and higher cost, and single main control unit control range is extremely limited, be difficult to the mother of low-voltage cabinet
All in 20ms or more, there are disaster prevention and failure removal in line arc protection, the practical trip time of most of arc protections
The problem of certain risk.
A kind of bus feeder line arc light protecting system of the invention, including two power source bus and bus arc light protecting device,
It is electrically connected with main circuit breaker on two power source bus and divides breaker, one end of power source bus is fixedly connected with connection sheet,
It is connected with several power feeders in connection sheet, feeder resistances are in series on every power feeder, are electrically connected on power feeder
Feeder line arc light protecting device, feeder line arc protection are electrically connected between the interval of feeder breaker, power feeder and power feeder
Two feeder line arc probes are electrically connected on device, the feeder line arc probe on feeder line arc light protecting device is located on power feeder
Feeder breaker interruption chambe in.
A kind of bus feeder line arc light protecting system of the invention, median generatrix arc light protecting device and feeder line arc protection fill
It sets inside and is electrically connected with earthing rod, be electrically connected between earthing rod and installation's power source connectivity port, and connect simultaneously with ground.
A kind of bus feeder line arc light protecting system of the invention, median generatrix arc light protecting device and feeder line arc protection fill
The inside set is electrically connected with driving battery, and driving battery is electrically connected with PORT COM.
A kind of bus feeder line arc light protecting system of the invention, median generatrix arc light protecting device and feeder line arc protection fill
The outer wall set is electrically connected with common end, emergency light and estimates signal lamp, common end, emergency light and estimate signal lamp with
Bus arc light protecting device is electrically connected with feeder line arc light protecting device.
A kind of bus feeder line arc light protecting system of the invention, wherein power source bus, which is located at, divides the side of breaker to be connected with
Bus bar resistance, the side that the power feeder is located at feeder breaker are connected with feeder resistances.
A kind of bus feeder line arc light protecting system of the invention, median generatrix arc light protecting device are fixedly connected on carry out cabinet
On PT cabinet, a part of bus arc probe on the bus arc light protecting device is located in the interruption chambe of feeder breaker.
It is manual to be electrically connected with main power source on two of them power source bus to a kind of bus feeder line arc light protecting system of the invention
Decoupler is electrically connected with multiple bus arc probes on the bus arc light protecting device, the bus arc light protecting device
Bus arc probe is connected to main circuit breaker and divides in the interruption chambe of breaker.
Compared with prior art, beneficial effects of the present invention are as follows:
1, the present invention passes through bus arc probe and power supply main circuit breaker and divides the positional relationship between breaker, can
Be monitored bus arc light protecting device to power source bus, make power source bus once occur arc light reaction can open at once
Dynamic main circuit breaker divides breaker, thus protection power source bus, then pass through the position between feeder line arc probe and feeder breaker
Relationship is set, feeder line arc light protecting device can be made to can detecte power feeder and be monitored, power feeder is made arc light once occur
Reaction can start feeder breaker at once, so that feedline circuit is protected, so that the device be allow to pass through bus arc protection
The mode that device is matched with feeder line arc light protecting device, while monitoring the bus-bar room of every section of route, breaker chamber and each opening
The feeding line portion at cabinet interval is closed, and due to mutually indepedent between bus device and feeder means, the operating space for monitoring it
It does not collide, reduces fiber arrangement amount to reach, project amount is reduced, to enable the device to provide for entire power supply system
Reliable accurate arc protection has reached the bus feeder line arc light protecting system and has in reduction fiber arrangement amount, reduces
While project amount, and the purpose of reliable and accurate arc protection can be provided for entire power supply system.
2, the present invention can play protection power source bus and electricity by the structure design between bus bar resistance and feeder resistances
Source feeder line, then by the structure design between the manual decoupler of main power source and power source bus, can go wrong in main circuit breaker
When, power source bus can be disconnected by staff's manual emergency, and the device passes through bus arc light protecting device and feeder line
The design method of arc light protecting device will carry out partition protecting between power source bus and feeder line power supply, to make some power supply
Is there is arc light reaction in feeder line, only can individually power off to the power feeder, not interfere with the work of other power feeders,
To keep the protection scope of the bus feeder line arc light protecting system complete, selectivity is good, and the arc light optical fiber across interval substantially subtracts
It is few, to achieve the purpose that be easily installed and maintenance.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 is current monitoring positional diagram of the present invention；
Fig. 2 is feeder line arc light protecting device and power feeder circuit monitoring structural schematic diagram；
Fig. 3 is theory structure schematic diagram inside arc light protecting device.
In figure: 1, main circuit breaker；2, power source bus；3, the manual decoupler of main power source；4, bus bar resistance；5, bus arc light is protected
Protection unit；6, divide breaker；7, connection sheet；8, feeder line arc light protecting device；9, power feeder；10, bus arc probe；11,
Feeder line arc probe；12, feeder resistances；13, feeder breaker.
Specific embodiment
Multiple embodiments of the invention will be disclosed with schema below, as clearly stated, the details in many practices
It will be explained in the following description.It should be appreciated, however, that the details in these practices is not applied to limit the present invention.Also
It is to say, in some embodiments of the invention, the details in these practices is non-essential.In addition, for the sake of simplifying schema,
Some known usual structures and component will be painted it in the drawings in simply illustrative mode.
In addition, the description for being such as related to " first ", " second " in the present invention is used for description purposes only, not especially censure
The meaning of order or cis-position, also non-to limit the present invention, the component described just for the sake of difference with same technique term
Or operation, it is not understood to indicate or imply its relative importance or implicitly indicates the number of indicated technical characteristic
Amount." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one of the features.In addition, each
Technical solution between a embodiment can be combined with each other, but must can be implemented as base with those of ordinary skill in the art
Plinth will be understood that the combination of this technical solution is not present when conflicting or cannot achieve when occurs in the combination of technical solution,
Also not the present invention claims protection scope within.
Please refer to Fig. 1-3, a kind of bus feeder line arc light protecting system, including two power source bus 2 and bus arc protection
Device 5 is electrically connected with main circuit breaker 1 on two power source bus 2 and divides breaker 6, and one end of power source bus 2 is fixedly connected with company
Contact pin 7 is connected with several power feeders 9 in connection sheet 7, is in series with feeder resistances 12, power feeder on every power feeder 9
It is electrically connected with feeder breaker 13 on 9, feeder line arc protection dress is electrically connected between power feeder 9 and the interval of power feeder 9
8 are set, two feeder line arc probes 11, the feeder line arc on feeder line arc light protecting device 8 are electrically connected on feeder line arc light protecting device 8
Light probe 11 is located in 13 interruption chambe of feeder breaker on power feeder 9.
Earthing rod, earthing rod and device electricity are electrically connected with inside bus arc light protecting device 5 and feeder line arc light protecting device 8
It is electrically connected between source connection mouth, and is connect simultaneously with ground, which is beneficial to that arc light protecting device and ground can be made to connect
It connects to play the role of protection against electric shock.
The inside of bus arc light protecting device 5 and feeder line arc light protecting device 8 is electrically connected with driving battery, driving battery with
PORT COM electrical connection, the design are beneficial to the case where arc light protecting device can will monitor and pass to the external world.
The outer wall of bus arc light protecting device 5 and feeder line arc light protecting device 8 be electrically connected with common end, emergency light and
It estimates signal lamp, common end, emergency light and estimates signal lamp and bus arc light protecting device 5 and feeder line arc light protecting device
8 electrical connections, the design are beneficial to facilitate staff common end, emergency light and can estimate letter by observation signal lamp
Signal lamp understands the case where power source bus 2 and power feeder 9.
Power source bus 2, which is located at, divides the side of breaker 6 to be connected with bus bar resistance 4, and power feeder 9 is located at feeder breaker 13
Side be connected with feeder resistances 12, which, which is beneficial to resistance, can control the strong of power source bus 2 and 9 circulating current of power feeder
Degree.
Bus arc light protecting device 5, which is fixedly connected on, to carry out on cabinet and PT cabinet, a part on bus arc light protecting device 5
Bus arc probe 10 is located in the interruption chambe of feeder breaker 13.
It is electrically connected with the manual decoupler 3 of main power source on two power source bus 2, is electrically connected on bus arc light protecting device 5
The bus arc probe 10 of multiple bus arc probes 10, bus arc light protecting device 5 is connected to main circuit breaker 1 and disjunction
In the interruption chambe of road device 6, which is beneficial to bus arc light protecting device 5 and is able to detect power source bus 2, and at any time to power supply mother
Line 2 carries out breaking work.
Bus arc light protecting device 5 uses the arc light protecting device of APD-306-A1 model, and feeder line arc light protecting device 8 is adopted
With the arc light protecting device of APD-306-B2 model, the manual decoupler 3 of main power source uses the breaker of ABB-F1S2000A model,
Main circuit breaker 1 and the breaker for dividing breaker 6 to be all made of HC65N model.
In using the present invention, bus arc light protecting device 5 is first mounted on incoming line cabinet or PT cabinet by staff, and will be female
Movement outlet on line arc light protecting device 5 respectively corresponds the main circuit breaker 1 of this section of power source bus 2 and divides breaker 6, simultaneously will
Bus arc probe 10 on bus arc light protecting device 5 is mounted on the bus-bar room and breaker chamber of every power source bus 2, and incites somebody to action
Feeder line arc light protecting device 8 is mounted in the interval of every two power feeder 9, and by the feeder line on feeder line arc light protecting device 8
Arc probe 11 is mounted in each feeder line room, while will be each corresponding every by the movement outlet on feeder line arc light protecting device 8
The feeder breaker 13 of a power feeder 9, when there is arc light reaction in certain root power feeder 9, feeder line arc light corresponding with this
Probe 11 will monitor that arc light reacts, to start corresponding feeder line arc light protecting device 8, make the feeder line arc protection
By movement outlet, excision feeder breaker 13 will not influence device 8 so that this power feeder 9 is carried out open circuit rapidly
To the normal operation of other power feeders 9, and when arc light reaction occurs in power source bus 2, bus arc probe 10 can will be supervised
It measures information and passes to bus arc light protecting device 5, and bus arc light protecting device 5 can then export cutting pair rapidly by movement
The main circuit breaker 1 answered divides breaker 6, to keep power source bus 2 breaking, prevents the arc light on power source bus 2 from burning power supply mother
Line 2.
Mode the above is only the implementation of the present invention is not intended to restrict the invention.For those skilled in the art
For member, the invention may be variously modified and varied.All any modifications made in spirit and principles of the present invention, etc.
With replacement, improvement etc., should all be included within scope of the presently claimed invention.
Claims (7)
1. a kind of bus feeder line arc light protecting system, including two power source bus (2) and bus arc light protecting device (5), special
Sign is: main circuit breaker (1) is electrically connected on two power source bus (2) and is divided breaker (6), the power source bus (2)
One end be fixedly connected with connection sheet (7), several power feeders (9), every power feeder are connected on the connection sheet (7)
(9) it is in series on feeder resistances (12), is electrically connected with feeder breaker (13), the power feeder on the power feeder (9)
(9) it is electrically connected between the interval of power feeder (9) feeder line arc light protecting device (8), the feeder line arc light protecting device (8)
On be electrically connected with two feeder line arc probes (11), feeder line arc probe (11) position on the feeder line arc light protecting device (8)
In in feeder breaker (13) interruption chambe on power feeder (9).
2. a kind of bus feeder line arc light protecting system according to claim 1, it is characterised in that: the bus arc protection
It is electrically connected with earthing rod inside device (5) and feeder line arc light protecting device (8), it is electric between earthing rod and installation's power source connectivity port
Connection, and connect simultaneously with ground.
3. a kind of bus feeder line arc light protecting system according to claim 1, it is characterised in that: the bus arc protection
The inside of device (5) and feeder line arc light protecting device (8) is electrically connected with driving battery, and driving battery is electrically connected with PORT COM
It connects.
4. a kind of bus feeder line arc light protecting system according to claim 1, it is characterised in that: the bus arc protection
Device (5) and the outer wall of feeder line arc light protecting device (8) are electrically connected with common end, emergency light and estimate signal lamp, public
It end, emergency light and estimates signal lamp and is electrically connected with bus arc light protecting device (5) with feeder line arc light protecting device (8).
5. a kind of bus feeder line arc light protecting system according to claim 1, it is characterised in that: the power source bus (2)
Positioned at dividing the side of breaker (6) to be connected with bus bar resistance (4), the power feeder (9) is located at the one of feeder breaker (13)
Side is connected with feeder resistances (12).
6. a kind of bus feeder line arc light protecting system according to claim 1, it is characterised in that: the bus arc protection
Device (5), which is fixedly connected on, to carry out on cabinet and PT cabinet, a part of bus arc probe on the bus arc light protecting device (5)
(10) it is located in feeder breaker (13) interruption chambe.
7. a kind of bus feeder line arc light protecting system according to claim 1, it is characterised in that: two power source bus
(2) it is electrically connected with the manual decoupler of main power source (3) on, is electrically connected with multiple bus arcs on the bus arc light protecting device (5)
Light probe (10), the bus arc probe (10) of the bus arc light protecting device (5) are connected to main circuit breaker (1) and divide
In the interruption chambe of breaker (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910774505.6A CN110518553A (en) | 2019-08-21 | 2019-08-21 | A kind of bus feeder line arc light protecting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910774505.6A CN110518553A (en) | 2019-08-21 | 2019-08-21 | A kind of bus feeder line arc light protecting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110518553A true CN110518553A (en) | 2019-11-29 |
Family
ID=68626157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910774505.6A Pending CN110518553A (en) | 2019-08-21 | 2019-08-21 | A kind of bus feeder line arc light protecting system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110518553A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201601466U (en) * | 2009-12-31 | 2010-10-06 | 南京弘毅电气自动化有限公司 | Feeder line protecting device |
| CN103208786A (en) * | 2013-04-16 | 2013-07-17 | 国家电网公司 | Rapid protection system of electric power substation |
| CN105119246A (en) * | 2015-09-18 | 2015-12-02 | 成都比善科技开发有限公司 | Arc light protection system |
| CN206533120U (en) * | 2017-02-22 | 2017-09-29 | 保定佰泓电气科技有限公司 | Switch cubicle arc light protecting system and feeder cabinet arc light protecting system |
| CN208508525U (en) * | 2018-08-03 | 2019-02-15 | 甘肃龙源风力发电有限公司 | A kind of grid-connected power generation system arc light protecting device |
-
2019
- 2019-08-21 CN CN201910774505.6A patent/CN110518553A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201601466U (en) * | 2009-12-31 | 2010-10-06 | 南京弘毅电气自动化有限公司 | Feeder line protecting device |
| CN103208786A (en) * | 2013-04-16 | 2013-07-17 | 国家电网公司 | Rapid protection system of electric power substation |
| CN105119246A (en) * | 2015-09-18 | 2015-12-02 | 成都比善科技开发有限公司 | Arc light protection system |
| CN206533120U (en) * | 2017-02-22 | 2017-09-29 | 保定佰泓电气科技有限公司 | Switch cubicle arc light protecting system and feeder cabinet arc light protecting system |
| CN208508525U (en) * | 2018-08-03 | 2019-02-15 | 甘肃龙源风力发电有限公司 | A kind of grid-connected power generation system arc light protecting device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191129 |
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| RJ01 | Rejection of invention patent application after publication |