CN107517581B - Reduce the method for communication cable interference in substation using cable cover - Google Patents
Reduce the method for communication cable interference in substation using cable cover Download PDFInfo
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- CN107517581B CN107517581B CN201710835335.9A CN201710835335A CN107517581B CN 107517581 B CN107517581 B CN 107517581B CN 201710835335 A CN201710835335 A CN 201710835335A CN 107517581 B CN107517581 B CN 107517581B
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- cable cover
- conduction copper
- cable
- copper column
- interference
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- 238000004891 communication Methods 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 title claims abstract description 14
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 77
- 229910052802 copper Inorganic materials 0.000 claims abstract description 77
- 239000010949 copper Substances 0.000 claims abstract description 77
- 230000004907 flux Effects 0.000 claims abstract description 42
- 238000004146 energy storage Methods 0.000 claims abstract description 29
- 230000005611 electricity Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0064—Earth or grounding circuit
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K9/00—Screening of apparatus or components against electric or magnetic fields
- H05K9/0071—Active shielding
Abstract
A method of reducing communication cable in substation using cable cover and interferes, using the cable cover arbitrarily put in substation, by eliminating the interference magnetic flux and the interference magnetic flux for itself generating the generation of counter magnetic flux combined power cable that power cable generates, achieve the purpose that effectively reduce communication cable interference.Step are as follows: install n conduction copper column, odd number of the n between 15-21 in the horizontal direction in cable cover bottom surface；One series limiting resistor R1 of conduction copper column, electronic switch one and energy storage device；Two series limiting resistor R2 of conduction copper column, electronic switch two and energy storage device；The largest number of conduction copper column both ends series limiting resistor R3 and milliampere grade DC electronic ammeter；Remaining number be odd number conduction copper column correspond to the connection of cable cover tail end one end with to number be that the conduction copper column of even number corresponds to cable cover head end one end and connects and be connected to the grounded screen of substation；The current acquisition and switch controlling device for controlling electronic switch are installed in cable cover bottom.
Description
Technical field
The present invention relates to a kind of methods for reducing communication cable interference in substation using cable cover.
Background technique
Currently, communication cable generally reduces the external world by the way of winding with power cable layering or multiple twin in substation
Interference to itself.Since power cable and communication cable are more in substation, the especially current intelligent power transformation gradually popularized
In standing, communication cable is more and more, increasingly longer, its interference of outer bound pair is also more and more obvious.By communication cable in substation
There is messy code after being often disturbed in the important telecontrol information of carrying, these bring very big to the normal monitoring of substation and maintenance
Influence.
Summary of the invention
The present invention is to propose a kind of method for reducing communication cable interference in substation using cable cover, and this method can
With the interference magnetic flux and itself production using the cable cover arbitrarily put in substation, by elimination power cable generation
The interference magnetic flux two ways that raw counter magnetic flux combined power cable generates achievees the purpose that effectively reduce communication cable interference.
The technical scheme is that
Reduce the method for communication cable interference in substation using cable cover, its step are as follows:
1, n conduction copper column is installed in the cable cover bottom surface on the cable duct being connected with master control room in the horizontal direction, and n is
Odd number between 15-21, conduction copper column are laid according to cable duct cable laying direction, are numbered respectively by side to the other side and be
Conduction copper column one, conduction copper column two ... conduction copper column 17；It insulate between two adjacent conduction copper columns；
2, one series limiting resistor R1 of conduction copper column, electronic switch one and energy storage device, energy storage device are mounted on cable cover
Plate head end, the cable cover head end are to close on transformer side, and energy storage device is set through the direction of current flow of conduction copper column one
It is set to and cable cover end is flow to by cable cover head end；
Two series limiting resistor R2 of conduction copper column, electronic switch two and the energy storage device, the energy storage device is through conduction
The direction of current flow of copper post two is set as by cable cover end to cable cover head end；
The initial state of the electronic switch one, two is quartile；
3, the largest number of conduction copper column both ends series limiting resistor R3 and milliampere grade DC electronic ammeter；
4, remaining number is that the conduction copper column of odd number corresponds to one end connection of cable cover tail end, and is connected to substation
Grounded screen；Remaining number is that the conduction copper column of even number corresponds to one end connection of cable cover head end, and is connected to substation
Grounded screen；
5, the current acquisition and switch controlling device for controlling electronic switch, the electric current are installed in cable cover bottom
Acquisition and switch controlling device connection milliampere grade DC electronic ammeter, automatic switch one and automatic switch two；The electric current is adopted
The data of milliampere grade DC electronic ammeter in the conduction copper column circuit of collection and switch controlling device to be connected to maximum number
As criterion, when the current value that DC electronic ammeter is shown is greater than
When+50mA, starting automatic switch one closes automatic switch two；When the current value that DC electronic ammeter is shown-
When between 50mA~+50mA, automatic switch one and automatic switch two are closed；When the current value that DC electronic ammeter is shown is small
When -50mA, starting automatic switch two closes automatic switch one；
6, the interference magnetic flux generated when the electric current in power cable flows to the head end of cable cover by cable cover end
The conduction copper column for making to install the maximum number on cable cover generates the interference that cable cover end is flowed to by cable cover head end
When electric current >=-50mA, interference electric current is led through all odd-numbereds in addition to conduction copper column one and the largest number of conduction copper column
Electrolytic copper column, grounding net of transformer substation are eliminated in time；Or when the electric current in power cable flows to cable cover by cable cover head end
The conduction copper column generation that the interference magnetic flux generated when end makes to install the maximum number on cable cover is flowed by cable cover end
To cable cover head end interference electric current≤
+ 50mA, conduction copper column of the interference electric current through all even-numbereds in addition to conduction copper column two, grounding net of transformer substation and
When eliminate；
7, when the electric current in the power cable for flowing to cable cover end by cable cover head end makes that magnetic flux is interfered to produce more greatly
When raw electric current is greater than 50mA, current acquisition and switch controlling device starting automatic switch two use energy storage by conduction copper column two
Installation's power source generates electric current, and the magnetic flux that the magnetic flux and the moment power cable which generates generate is on the contrary, integrated interference magnetic flux；
8, when the electric current in the power cable of head end for flowing to cable cover by cable cover end makes to interfere magnetic flux more greatly
When the electric current of generation is less than -50mA, controller starting automatic switch one is generated by conduction copper column one using energy storage device power supply
Electric current, the magnetic flux that the magnetic flux and the moment power cable which generates generate is on the contrary, integrated interference magnetic flux.
Further preferably, the solar panels of the energy storage device You≤100AH provide power supply.
Further preferably, the resistance value of the conduction copper column is 4-5 Ω.
The beneficial effects of the present invention are:
1, content of the present invention is convenient to carry out, and the position that cable cover can be arbitrarily put in substation uses；
2, the cable cover using flexible involved in the present invention can connect solar energy to energy storage device when using outdoors
It charges, energy storage device, isolated operation can not be used when indoor use；
3, the interference magnetic flux as caused by electric current flowing in power cable can be converted by the method for the invention in time
Induced current is transferred to the earth, reduces its interference electric current generated in communication cable, reduces communication cable interference to realize
Function；
4, when the interference magnetic flux in power cable is larger, the method for the invention can star opening automatically for cable cover
It closes, reverse current is generated by solar powered energy storage device in the loop, generate the magnetic flux with interference flux-reversal, it is comprehensive
Magnetic flux is interfered, to will interfere flux regulator in lower range, realizes the function of reducing communication cable interference.
5, when starting is automatically switched comprehensive a direction interference magnetic flux, time that automatic switch two is constituted can be automatically closed
Road enhances the anti-jamming effectiveness of communication cable with the additional interference for preventing parasitic loop from generating.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Specific embodiment
As shown in Figure 1, reducing the method for communication cable interference in substation using cable cover, its step are as follows:
1, it is 4-5 that n resistance value is installed in 1 bottom surface of cable cover on the cable duct being connected with master control room in the horizontal direction
The conduction copper column of Ω, odd number of the n between 15-21, conduction copper column are laid according to cable duct cable laying direction, extremely by side
It is conduction copper column one, conduction copper column two ... conduction copper column 17 that the other side is numbered respectively；Between two adjacent conduction copper columns
Insulation；
2, one series limiting resistor R1 of conduction copper column, electronic switch one and energy storage device, the energy storage device is by≤100AH
Solar panels power supply is provided, energy storage device is mounted on cable cover head end 101, and the cable cover head end is to close on transformer
Side, energy storage device are set as flowing to cable cover end by cable cover head end 101 through the direction of current flow of conduction copper column one
End 102；
Two series limiting resistor R2 of conduction copper column, electronic switch two and the energy storage device, the energy storage device is through conduction
The direction of current flow of copper post two is set as by cable cover end to cable cover head end；
The initial state of the electronic switch one, two is quartile；
3, the largest number of conduction copper column both ends series limiting resistor R3 and milliampere grade DC electronic ammeter；
4, remaining number is that the conduction copper column of odd number corresponds to one end connection of cable cover tail end, and is connected to substation
Grounded screen；Remaining number is that the conduction copper column of even number corresponds to one end connection of cable cover head end, and is connected to substation
Grounded screen；
5, the current acquisition and switch controlling device for controlling electronic switch, the electric current are installed in cable cover bottom
Acquisition and switch controlling device connection milliampere grade DC electronic ammeter, automatic switch one and automatic switch two；The electric current is adopted
The data of milliampere grade DC electronic ammeter in the conduction copper column circuit of collection and switch controlling device to be connected to maximum number
As criterion, when the current value that DC electronic ammeter is shown is greater than+50mA, starting automatic switch one closes automatic switch
Two；When the current value that DC electronic ammeter is shown is between -50mA~+50mA, automatic switch one and automatic switch are closed
Two；When the current value that DC electronic ammeter is shown is less than -50mA, starting automatic switch two closes automatic switch one；
6, the interference magnetic flux generated when the electric current in power cable flows to the head end of cable cover by cable cover end
The conduction copper column for making to install the maximum number on cable cover generates the interference that cable cover end is flowed to by cable cover head end
When electric current >=-50mA, interference electric current is led through all odd-numbereds in addition to conduction copper column one and the largest number of conduction copper column
Electrolytic copper column, grounding net of transformer substation are eliminated in time；Or when the electric current in power cable flows to cable cover by cable cover head end
The conduction copper column generation that the interference magnetic flux generated when end makes to install the maximum number on cable cover is flowed by cable cover end
To interference electric current≤+ 50mA of cable cover head end, conduction of the interference electric current through all even-numbereds in addition to conduction copper column two
Copper post, grounding net of transformer substation are eliminated in time；
7, when the electric current in the power cable for flowing to cable cover end by cable cover head end makes that magnetic flux is interfered to produce more greatly
When raw electric current is greater than 50mA, current acquisition and switch controlling device starting automatic switch two use energy storage by conduction copper column two
Installation's power source generates electric current, and the magnetic flux that the magnetic flux and the moment power cable which generates generate is on the contrary, integrated interference magnetic flux；
8, when the electric current in the power cable of head end for flowing to cable cover by cable cover end makes to interfere magnetic flux more greatly
When the electric current of generation is less than -50mA, controller starting automatic switch one is generated by conduction copper column one using energy storage device power supply
Electric current, the magnetic flux that the magnetic flux and the moment power cable which generates generate is on the contrary, integrated interference magnetic flux.
The above is only specific embodiments of the present invention, are not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (3)
1. reduce the method for communication cable interference in substation using cable cover, it is characterized in that: steps are as follows:
1), n conduction copper column is installed in the cable cover bottom surface on the cable duct being connected with master control room in the horizontal direction, and n is
Odd number between 15-21, conduction copper column are laid according to cable duct cable laying direction, are numbered respectively by side to the other side and be
Conduction copper column one, conduction copper column two ... conduction copper column 17；It insulate between two adjacent conduction copper columns；
2), one series limiting resistor R1 of conduction copper column, electronic switch one and energy storage device, energy storage device are mounted on cable cover head
End, the cable cover head end are to close on transformer side, and energy storage device is set as through the direction of current flow of conduction copper column one
Cable cover end is flow to by cable cover head end；
Two series limiting resistor R2 of conduction copper column, electronic switch two and the energy storage device, the energy storage device is through conduction copper column
Two direction of current flow is set as by cable cover end to cable cover head end；
The initial state of the electronic switch one, two is quartile；
3), the largest number of conduction copper column both ends series limiting resistor R3 and milliampere grade DC electronic ammeter；
4), remaining number is that the conduction copper column of odd number corresponds to one end connection of cable cover tail end, and is connected to substation
Grounded screen；Remaining number is that the conduction copper column of even number corresponds to one end connection of cable cover head end, and is connected to substation
Grounded screen；
5) current acquisition and switch controlling device for controlling electronic switch, are installed in cable cover bottom, the electric current is adopted
Collection and switch controlling device connection milliampere grade DC electronic ammeter, automatic switch one and automatic switch two；The current acquisition
And the data of the milliampere grade DC electronic ammeter in conduction copper column circuit of the switch controlling device to be connected to maximum number are made
For criterion, when the current value that DC electronic ammeter is shown is greater than+50mA, starting automatic switch one closes automatic switch two；
When the current value that DC electronic ammeter is shown is between -50mA~+50mA, automatic switch one and automatic switch two are closed；
When the current value that DC electronic ammeter is shown is less than -50mA, starting automatic switch two closes automatic switch one；
6) the interference magnetic flux, generated when the electric current in power cable flows to the head end of cable cover by cable cover end makes to pacify
The conduction copper column of maximum number on dress cable cover generates the interference electric current that cable cover end is flowed to by cable cover head end
When >=-50mA, conductive copper of the interference electric current through all odd-numbereds in addition to conduction copper column one and the largest number of conduction copper column
Column, grounding net of transformer substation are eliminated in time；Or when the electric current in power cable is flowed to by cable cover head end the end of cable cover
When the interference magnetic flux that generates make to install the conduction copper column of the maximum number on cable cover and generate electricity is flowed to by cable cover end
Interference electric current≤+ 50mA of cable cover board head end, conduction copper column of the interference electric current through all even-numbereds in addition to conduction copper column two,
Grounding net of transformer substation is eliminated in time；
7), when the electric current in the power cable for flowing to cable cover end by cable cover head end makes to interfere magnetic flux generation more greatly
When electric current is greater than 50mA, current acquisition and switch controlling device starting automatic switch two use energy storage device by conduction copper column two
Power supply generates electric current, and the magnetic flux that the magnetic flux and the moment power cable which generates generate is on the contrary, payment interference magnetic flux；
8), when the electric current in the power cable of head end for flowing to cable cover by cable cover end makes that magnetic flux is interfered to generate more greatly
Electric current be less than -50mA when, controller starting automatic switch one, by conduction copper column one using energy storage device power supply generate electric current,
The magnetic flux that the magnetic flux and the moment power cable that the electric current generates generate is on the contrary, payment interference magnetic flux.
2. the method according to claim 1 for reducing communication cable interference in substation using cable cover, it is characterized in that
The solar panels of the energy storage device You≤100AH provide power supply.
3. the method according to claim 1 for reducing communication cable interference in substation using cable cover, it is characterized in that
The resistance value of the conduction copper column is 4 Ω -5 Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710835335.9A CN107517581B (en) | 2017-09-15 | 2017-09-15 | Reduce the method for communication cable interference in substation using cable cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710835335.9A CN107517581B (en) | 2017-09-15 | 2017-09-15 | Reduce the method for communication cable interference in substation using cable cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107517581A CN107517581A (en) | 2017-12-26 |
| CN107517581B true CN107517581B (en) | 2019-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710835335.9A Active CN107517581B (en) | 2017-09-15 | 2017-09-15 | Reduce the method for communication cable interference in substation using cable cover |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2525658Y (en) * | 2002-04-02 | 2002-12-11 | 李志俊 | High frequency switch transformer winding structure and bus plate support |
| CN1918764A (en) * | 2003-07-30 | 2007-02-21 | 普雷斯曼电缆及系统能源有限公司 | Method for shielding magnetic field generated by an electrical power transmission line and electrical power transmission line so shielded |
| CN204464431U (en) * | 2013-01-29 | 2015-07-08 | 株式会社村田制作所 | High frequency signal transmission line and electronic equipment |
| EP2991173A1 (en) * | 2014-08-28 | 2016-03-02 | Tyco Electronics Corporation | Connector assembly with cable bundle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102636723A (en) * | 2012-05-04 | 2012-08-15 | 新疆维吾尔自治区送变电工程公司 | Secondary cable checking method for transformer substation |
-
2017
- 2017-09-15 CN CN201710835335.9A patent/CN107517581B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2525658Y (en) * | 2002-04-02 | 2002-12-11 | 李志俊 | High frequency switch transformer winding structure and bus plate support |
| CN1918764A (en) * | 2003-07-30 | 2007-02-21 | 普雷斯曼电缆及系统能源有限公司 | Method for shielding magnetic field generated by an electrical power transmission line and electrical power transmission line so shielded |
| CN204464431U (en) * | 2013-01-29 | 2015-07-08 | 株式会社村田制作所 | High frequency signal transmission line and electronic equipment |
| EP2991173A1 (en) * | 2014-08-28 | 2016-03-02 | Tyco Electronics Corporation | Connector assembly with cable bundle |
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| Publication number | Publication date |
|---|---|
| CN107517581A (en) | 2017-12-26 |
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