CN111817288A - Site arrangement method and structure applied to power distribution network true test platform - Google Patents
Site arrangement method and structure applied to power distribution network true test platform Download PDFInfo
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- CN111817288A CN111817288A CN202010457077.7A CN202010457077A CN111817288A CN 111817288 A CN111817288 A CN 111817288A CN 202010457077 A CN202010457077 A CN 202010457077A CN 111817288 A CN111817288 A CN 111817288A
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 22
- 229910052742 iron Inorganic materials 0.000 claims description 11
- 238000004088 simulation Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
Abstract
The invention discloses a site layout method and a site layout structure applied to a power distribution network true type test platform, which comprise the following steps of: s1, a10 kV high-voltage chamber is newly built at the side end of a test site to serve as a power supply access point, 10kV switch cabinets are installed in the high-voltage chamber in a double-row face-to-face mode, and low-voltage chambers 2 are newly built at the side end 3 meters away from the high-voltage chamber to form a power supply management area; s2, laying a first loop overhead line; s3, laying a second overhead return line; s4, laying a third overhead line; s5, newly building 1 in-and-1 out-of-cable distribution box 1 at a position 6 meters outside the third overhead line; s6, newly building 1 in-and-1 out-of-cable distribution box at a position of 2 meters of the newly-built combined box transformer substation; s7, connecting a line F6 to a pole branch point P3 through a pole switch K07; s8, at the branch point P3 of the pole, the line F6 is led out through the pole switch K06. Different devices are connected through cables, the requirements of the true test platform for carrying out various tests, simulation and test services are met, and the floor space requirement of the true test platform is reduced.
Description
Technical Field
The invention relates to the technical field of electric power correlation, in particular to a site layout method and structure applied to a power distribution network true type test platform.
Background
The power distribution network true test platform is a test and test environment provided for popularization and application of a new technology, new equipment and a new method in a power distribution network. Due to the limitation of site conditions, the platform can complete relatively few tests and detection services. Meanwhile, the requirement for the testing of the true testing platform in China shows a trend of increasing year by year, and higher requirements are put forward for the realization of various types of testing in the same platform.
Therefore, the current power distribution network true type test platform cannot meet the requirement of reasonably arranging more types of equipment in a limited field space so as to meet the experiment requirement.
Disclosure of Invention
The invention aims to provide a site layout method and a site layout structure applied to a power distribution network true test platform, and aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a site layout method applied to a power distribution network true type test platform comprises the following steps:
s1, a10 kV high-voltage chamber is newly built at the side end of a test site to serve as a power supply access point, 10kV switch cabinets are installed in the high-voltage chamber in a double-row face-to-face mode, and low-voltage chambers 2 are newly built at the side end 3 meters away from the high-voltage chamber to form a power supply management area;
s2, laying a first overhead circuit, namely a circuit F4;
s3, laying a second overhead return line, and naming the line as a line F5;
s4, arranging a third overhead line, and naming the third overhead line as a line F6;
s5, newly building 1 in-and-1 out cable distribution box at a position 6 meters outside the third overhead line, newly building a tested equipment foundation with 5 meters long and 3 meters wide at a position 2 meters on the left side of the cable distribution box, newly building 1 in-and-1 cable distribution box at a position 2 meters on the left side of the foundation, newly building 1 combined box transformer substation at a position 2 meters on the left side of the cable distribution box, newly building 1 combined box transformer substation at a position 2 meters on the left side of the combined box transformer substation, and newly building 1 outdoor switch box at a position 2 meters on the south side of the tested foundation;
s6, newly building 1 in-and-1 out cable distribution box at a position 2 meters away from the newly-built combined box-type substation, newly building a tested equipment foundation with the length of 5 meters and the width of 3 meters at a position 2 meters away from the cable distribution box, and newly building 1 in-and-1 cable distribution box at a position 2 meters away from the foundation. Newly building 1 combined box-type substation at the position 2 meters on the left side of the cable distribution box, and newly building 1 combined box-type substation at the position 2 meters on the left side of the combined box-type substation. Newly building 1 outdoor switch box at 2 meters of the south side of the tested foundation;
s7, the line F6 is connected to an electric pole branch point P3 arranged at the middle section of the line F6 through a pole switch K07, and is connected to an incoming and outgoing line switch G15 of the ring main unit at an electric pole branch point P3 through a pole switch T06;
and S8, at the branch point P3 of the electric pole, leading out the line F6 through a column switch K06, and switching in the branch point P2 of the electric pole through a column switch K05.
As a further scheme of the invention: the method for laying the first loop overhead line comprises the following steps: newly building 1 pole with the length of 15 meters at the position of 20 meters on the right side of a low-voltage room, named as an A1 pole, newly building an A2 pole with the length of 15 meters on the right side of an A1 pole at the position of 14 meters, newly building a cable leading-off device 1 sleeve at the position of an A2 pole, newly building an A3 pole with the length of 15 meters on the right side of an A2 pole, transversely building a rack transformer 1 sleeve at the position of an A3 pole, adopting a 12-meter pole as an auxiliary pole, newly building an A4 pole with the length of 15 meters at the position of 9 meters on the right side of an A3 pole, newly building a sectionalizer 1 sleeve at the position of 9 meters on the right side of an A4 pole, newly building a sectionalizer 1 sleeve at the position of A5 pole with the length of 15 meters on the right side of an A4 pole, newly building an A7 pole leading-off device 1 sleeve at the position of 11 meters on the right side of an A5 pole, newly building an A6 pole with the length of 15 meters, newly building a pole leading-off device 1 sleeve at the position of an A6 pole, newly building a pole 4615 meters on, transversely newly-built rack transformer 1 platform in A8 pole department, the secondary pole adopts 12 meters pole, newly-built A9 No. 15 meters pole in 10 meters department on A8 pole right side, newly-built 1 cover of device is drawn down to the cable in A9 pole department, newly-built A10 No. 15 meters pole in 8 meters department on A9 pole right side, newly-built 1 platform of section circuit breaker in A10 number pole department, newly-built A11 No. 15 meters pole in 8 meters department on A10 pole right side, newly-built 1 cover of device is drawn down to the cable in A11 number pole department, newly-built A12 No. 15 meters pole in 7 meters department on A11 pole right side, newly-built 1 cover of device is drawn down to the cable in A12 number pole department.
As a further scheme of the invention: the second overhead line laying method comprises the following steps: newly building 1 pole with the length of 15 meters at the south side of the pole with the length of 2.5 meters of the pole with the number of A1, namely a pole with the length of B1, newly building a pole with the length of B2 and the length of 15 meters at the right side of the pole with the length of 14 meters of the pole with the length of B1, newly building a pole with the length of B4 and the length of 15 meters at the right side of the pole with the length of B2, transversely building a trestle transformer 1 at the pole with the length of B3, adopting a pole with the length of 12 meters at the auxiliary pole, newly building a pole with the length of A4 and the length of 15 meters at the right side of the pole with the length of B3, newly building a pole with the length of 1 at the pole with the length of B4, newly building a pole with the length of A5 and the length of 15 meters at the right side of the pole with the length of B4, newly building a pole with the length of 1 trestle at the length of B5, newly building a pole with the length of B6 and the length of 15 meters at the right side of the pole with the length of B6, newly building a pole at the length of B7 meters at the right, newly-installed cable at No. B8 pole department draws down device 1 cover, newly-built No. B9 15 meters pole at 8 meters department on B8 pole right side, newly-built 1 platform of section circuit breaker at No. B9 pole department, newly-built No. B10 15 meters pole at 8 meters department on B9 pole right side, newly-installed cable draws down device 1 cover at No. B10 pole department, newly-built No. B11 15 meters pole at 7 meters department on B10 pole right side, newly-installed cable draws down device 1 cover at No. B11 pole department, newly-built No. A12 meters pole at 15 meters department on B11 pole right side, newly-built 1 platform of tie breaker at No. A12 pole department.
As a further scheme of the invention: the third overhead line laying method comprises the following steps: newly building 1 pole with the length of 15 meters at the south side of the pole with the length of 2.5 meters of the pole with the number of B1, namely a pole with the length of C1, newly building a tower with the length of C2 and the length of 13.5 meters at the right side of the pole with the length of 3 meters of the pole with the number of C1, newly building a pole with the length of C3 and the length of 15 meters at the right side of the pole with the length of 11 meters of the pole with the number of C2, newly building a pole with the length of C4 and the length of 15 meters at the right side of the pole with the length of C3, newly building a pole with the length of rack transformer 1 at the right side of the pole with the length of C4, newly building a pole with the length of 12 meters at the secondary pole, newly building a pole with the length of C5 and the length of 15 meters at the right side of the pole with the length of C5966, newly building a pole with the length of C5 and the length of 15 meters at the right side of the length of C6, newly building a pole with the length of C4615 meters at the right side of C7, newly building a pole at the newly building a pole with, a C9 # 13.5 m iron tower is newly built at the position 40 m on the right side of the C8 electric pole, a C09 # 15 m electric pole is newly built at the position 3 m on the right side of the C9 iron tower, and a cable leading-down device 1 sleeve is newly installed at the position of the C10 electric pole.
As a further scheme of the invention: the 1 in-1 out cable distribution box 1 in the step S5 is installed at 6 meters south of the C09 tower.
As a further scheme of the invention: PI model devices with different equivalent lengths are connected in series on the first loop of overhead line, the second loop of overhead line, the third loop of overhead line and the cable line connected with the cable distribution box to simulate the length of an actual power distribution network line.
As a further scheme of the invention: and the first loop of overhead line, the second loop of overhead line, the third loop of overhead line and a distribution line switch connected with a cable line connected with the cable distribution box are all provided with three remote devices for distribution automation.
The utility model provides a be applied to real type test platform's of distribution network place structure, be applied to real type test platform's of distribution network place structure includes:
the high-voltage chamber is provided with one seat and adopts a10 kV high-voltage chamber;
the low-pressure chamber is provided with one seat and adopts a 0.4kV low-pressure chamber;
a box-type transformer;
a pole-mounted transformer;
the device comprises ring main units, wherein 3 ring main units are arranged, each ring main unit is connected with 6-circuit power distribution lines, and each ring main unit is of a single-bus segmented structure and is provided with a grid structure of 5 incoming and outgoing line switches and 1 bus coupler switch;
a cable distribution box;
an iron tower;
each distribution lines all includes that line section A and line section B constitute, wherein: the head end of the line section A is led out from the outgoing line circuit breaker, the tail end of the line section A is connected into an incoming and outgoing line switch of the ring main unit or a pole branch point pole switch, the head end of the line section B is led out from an incoming and outgoing line switch of the ring main unit or a pole branch point pole switch, the tail end of the line section B is connected into an incoming and outgoing line switch of the ring main unit or a pole branch point pole switch, and the pole branch point is connected into the incoming and outgoing line switch of the ring main unit through the interconnection switch.
Compared with the prior art, the invention has the beneficial effects that: the invention has novel design, different devices are connected through cables, the requirements of various tests, simulation and test services of a true test platform are met, the floor space requirement of the true test platform is reduced, various devices in an overhead cable line are reasonably arranged in a limited field space, the field utilization rate is improved, and the practicability is strong.
Drawings
Fig. 1 is a wiring diagram of the subject.
Fig. 2 is a floor plan of an overhead line in the subject.
Fig. 3 is a floor plan of the cabling and equipment in the subject matter.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In addition, an element of the present invention may be said to be "fixed" or "disposed" to another element, either directly on the other element or with intervening elements present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1 to 3, in an embodiment of the present invention, a site layout method applied to a power distribution network prototype test platform includes the following steps:
s1, a10 kV high-voltage chamber is newly built at the side end of a test site to serve as a power supply access point, 10kV switch cabinets are installed in the high-voltage chamber in a double-row face-to-face mode, and low-voltage chambers 2 are newly built at the side end 3 meters away from the high-voltage chamber to form a power supply management area;
s2, laying a first loop overhead line: newly building 1 pole with the length of 15 meters at the position of 20 meters on the right side of a low-voltage room, named as an A1 pole, newly building an A2 pole with the length of 15 meters on the right side of an A1 pole at the position of 14 meters, newly building a cable leading-off device 1 sleeve at the position of an A2 pole, newly building an A3 pole with the length of 15 meters on the right side of an A2 pole, transversely building a rack transformer 1 sleeve at the position of an A3 pole, adopting a 12-meter pole as an auxiliary pole, newly building an A4 pole with the length of 15 meters at the position of 9 meters on the right side of an A3 pole, newly building a sectionalizer 1 sleeve at the position of 9 meters on the right side of an A4 pole, newly building a sectionalizer 1 sleeve at the position of A5 pole with the length of 15 meters on the right side of an A4 pole, newly building an A7 pole leading-off device 1 sleeve at the position of 11 meters on the right side of an A5 pole, newly building an A6 pole with the length of 15 meters, newly building a pole leading-off device 1 sleeve at the position of an A6 pole, newly building a pole 4615 meters on, transversely building 1 rack transformer at an A8 pole, adopting a 12-meter pole as an auxiliary pole, building a9 15-meter pole at a 10-meter position on the right side of the A8 pole, newly building 1 set of cable leading-down device at the A9 pole, newly building a10 15-meter pole at A8-meter position on the right side of the A9 pole, newly building 1 segmented circuit breaker at an A10 pole, newly building a11 15-meter pole at the 8-meter position on the right side of the A10 pole, newly building 1 set of cable leading-down device at the A11 pole, newly building an A12-meter pole at a 7-meter position on the right side of the A11 pole, newly building 1 set of cable leading-down device at the A12 pole, and naming as a line F4;
s3, laying a second overhead line: newly building 1 pole with the length of 15 meters at the south side of the pole with the length of 2.5 meters of the pole with the number of A1, namely a pole with the length of B1, newly building a pole with the length of B2 and the length of 15 meters at the right side of the pole with the length of 14 meters of the pole with the length of B1, newly building a pole with the length of B4 and the length of 15 meters at the right side of the pole with the length of B2, transversely building a trestle transformer 1 at the pole with the length of B3, adopting a pole with the length of 12 meters at the auxiliary pole, newly building a pole with the length of A4 and the length of 15 meters at the right side of the pole with the length of B3, newly building a pole with the length of 1 at the pole with the length of B4, newly building a pole with the length of A5 and the length of 15 meters at the right side of the pole with the length of B4, newly building a pole with the length of 1 trestle at the length of B5, newly building a pole with the length of B6 and the length of 15 meters at the right side of the pole with the length of B6, newly building a pole at the length of B7 meters at the right, newly installing 1 set of cable leading-down device at the B8 # pole, newly building a B9 # 15 m pole at the right 8 m position of the B8 # pole, newly building 1 segmented circuit breaker at the B9 # pole, newly building a B10 # 15 m pole at the right 8 m position of the B9 # pole, newly installing 1 set of cable leading-down device at the B10 # pole, newly building a B11 # 15 m pole at the right 7 m position of the B10 # pole, newly installing 1 set of cable leading-down device at the B11 # pole, newly building an A12 # 15 m pole at the right 15 m position of the B11 # pole, newly building 1 set of tie circuit breaker at the A12 # pole, and naming as a line F5;
s4, laying a third overhead line: newly building 1 pole with the length of 15 meters at the south side of the pole with the length of 2.5 meters of the pole with the number of B1, namely a pole with the length of C1, newly building a tower with the length of C2 and the length of 13.5 meters at the right side of the pole with the length of 3 meters of the pole with the number of C1, newly building a pole with the length of C3 and the length of 15 meters at the right side of the pole with the length of 11 meters of the pole with the number of C2, newly building a pole with the length of C4 and the length of 15 meters at the right side of the pole with the length of C3, newly building a pole with the length of rack transformer 1 at the right side of the pole with the length of C4, newly building a pole with the length of 12 meters at the secondary pole, newly building a pole with the length of C5 and the length of 15 meters at the right side of the pole with the length of C5966, newly building a pole with the length of C5 and the length of 15 meters at the right side of the length of C6, newly building a pole with the length of C4615 meters at the right side of C7, newly building a pole at the newly building a pole with, a C9 # 13.5 m iron tower is newly built at the position 40 m from the right side of a C8 electric pole, a C09 # 15 m electric pole is newly built at the position 3 m from the right side of a C9 iron tower, and a cable leading-down device 1 sleeve is newly installed at the position of the C10 electric pole and is named as a circuit F6;
s5, newly building 1 in-and-1 out cable distribution box at a position 6 meters outside the third overhead line, newly building a tested equipment foundation with 5 meters long and 3 meters wide at a position 2 meters on the left side of the cable distribution box, newly building 1 in-and-1 cable distribution box at a position 2 meters on the left side of the foundation, newly building 1 combined box transformer substation at a position 2 meters on the left side of the cable distribution box, newly building 1 combined box transformer substation at a position 2 meters on the left side of the combined box transformer substation, and newly building 1 outdoor switch box at a position 2 meters on the south side of the tested foundation;
s6, newly building 1 in-and-1 out cable distribution box at a position 2 meters away from the newly-built combined box-type substation, newly building a tested equipment foundation with the length of 5 meters and the width of 3 meters at a position 2 meters away from the cable distribution box, and newly building 1 in-and-1 cable distribution box at a position 2 meters away from the foundation. Newly building 1 combined box-type substation at the position 2 meters on the left side of the cable distribution box, and newly building 1 combined box-type substation at the position 2 meters on the left side of the combined box-type substation. Newly building 1 outdoor switch box at 2 meters of the south side of the tested foundation;
s7, the line F6 is connected to an electric pole branch point P3 arranged at the middle section of the line F6 through a pole switch K07, and is connected to an incoming and outgoing line switch G15 of the ring main unit at an electric pole branch point P3 through a pole switch T06;
and S8, at the branch point P3 of the electric pole, leading out the line F6 through a column switch K06, and switching in the branch point P2 of the electric pole through a column switch K05.
In the embodiment of the invention, different devices are connected through cables, so that the requirements of various tests, simulation and test services of a true test platform are met, the floor space requirement of the true test platform is reduced, various devices in an overhead cable line are reasonably arranged in a limited field space, the field utilization rate is improved, and the practicability is high.
In the embodiment of the invention, on the premise of not occupying a large amount of construction sites, the site can accommodate conventional overhead lines and cable lines by reasonably arranging various devices, various standard wiring modes and flexible conversion among various non-standard wiring modes are realized, and the construction investment and site requirements of a true test platform are greatly reduced.
In the embodiment of the present invention, it should be noted that the electric pole is fixed by an embedded installation method, and it can be understood that the stability of the electric pole can be increased by embedding the electric pole, where the embedded method is as follows: the method comprises the steps of positioning the installation position of the electric pole according to requirements, then performing pit excavation treatment, inserting the electric pole into a pit hole after pit excavation, and then performing landfill, wherein concrete is adopted for filling in the process of landfill, so that the stability of the electric pole after installation is improved, and the electric pole can be fixed in other modes.
In the embodiment of the present invention, the above-mentioned orientation nouns, such as south plane, east plane, and the like, are an extensible description performed after one orientation is determined, and when one orientation is determined as a coordinate orientation, other orientations can be determined, so that the coordinate orientation in the present application is built based on geographic coordinates, and therefore, the above-mentioned orientation does not generate an unclear phenomenon.
In the embodiment of the present invention, the high voltage chamber, the low voltage chamber, the transformer, the circuit breaker, and the like all adopt the existing structure, and therefore, detailed descriptions are omitted for specific selection of the application.
As an embodiment of the present invention, the 1 in-1 out cable distribution box 1 in the step S5 is installed at 6 meters from the south of the C09 tower.
As an embodiment of the present invention, PI model devices with different equivalent lengths are connected in series on the first loop of overhead line, the second loop of overhead line, the third loop of overhead line, and the cable lines connected to the cable distribution box to simulate the length of an actual power distribution network line.
In the embodiment of the invention, the PI model device is a common simulation structure, so that the PI model device is not repeated in the application, the length of an actual power distribution network line can be simulated on the premise of not increasing the line length by adopting the PI model device, the use is convenient, and the practicability is high.
As an embodiment of the present invention, the distribution line switches connected to the first loop overhead line, the second loop overhead line, the third loop overhead line, and the cable line connected to the cable distribution box are all configured with three remote devices for distribution automation.
In the embodiment of the invention, the distribution automation three-remote equipment has the functions of supporting remote measurement, remote signaling and remote control, so that the remote control and monitoring of the distribution line switch are realized.
As an embodiment of the present invention, a site structure applied to a power distribution network prototype test platform is further provided, where the site structure applied to the power distribution network prototype test platform includes:
the high-voltage chamber is provided with one seat and adopts a10 kV high-voltage chamber;
the low-pressure chamber is provided with one seat and adopts a 0.4kV low-pressure chamber;
a box-type transformer;
a pole-mounted transformer;
the device comprises ring main units, wherein 3 ring main units are arranged, each ring main unit is connected with 6-circuit power distribution lines, and each ring main unit is of a single-bus segmented structure and is provided with a grid structure of 5 incoming and outgoing line switches and 1 bus coupler switch;
a cable distribution box;
an iron tower;
each distribution lines all includes that line section A and line section B constitute, wherein: the head end of the line section A is led out from the outgoing line circuit breaker, the tail end of the line section A is connected into an incoming and outgoing line switch of the ring main unit or a pole branch point pole switch, the head end of the line section B is led out from an incoming and outgoing line switch of the ring main unit or a pole branch point pole switch, the tail end of the line section B is connected into an incoming and outgoing line switch of the ring main unit or a pole branch point pole switch, and the pole branch point is connected into the incoming and outgoing line switch of the ring main unit through the interconnection switch.
In the embodiment of the invention, the box-type transformer and the pole-mounted transformer are respectively provided with 6 so as to realize the conversion and transmission of voltage, and the cable distribution boxes are respectively provided with 6 and are respectively connected with other electrical elements through cables so as to realize the signal transmission.
In the embodiment of the present invention, it should be noted that the iron tower includes two iron towers and 36 electric poles 15 meters long.
In the embodiment of the invention, the connection structure of the circuit is changed by the on-off state of the switch or the pole-mounted switch, so that the transformation of different wiring modes of the power distribution network true experimental platform is realized.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. A site arrangement method applied to a power distribution network true test platform is characterized by comprising the following steps:
s1, a10 kV high-voltage chamber is newly built at the side end of a test site to serve as a power supply access point, 10kV switch cabinets are installed in the high-voltage chamber in a double-row face-to-face mode, and low-voltage chambers 2 are newly built at the side end 3 meters away from the high-voltage chamber to form a power supply management area;
s2, laying a first overhead circuit, namely a circuit F4;
s3, laying a second overhead return line, and naming the line as a line F5;
s4, arranging a third overhead line, and naming the third overhead line as a line F6;
s5, newly building 1 in-and-1 out cable distribution box at a position 6 meters outside the third overhead line, newly building a tested equipment foundation with 5 meters long and 3 meters wide at a position 2 meters on the left side of the cable distribution box, newly building 1 in-and-1 cable distribution box at a position 2 meters on the left side of the foundation, newly building 1 combined box transformer substation at a position 2 meters on the left side of the cable distribution box, newly building 1 combined box transformer substation at a position 2 meters on the left side of the combined box transformer substation, and newly building 1 outdoor switch box at a position 2 meters on the south side of the tested foundation;
s6, newly building 1 in-and-1 out cable distribution box at a position 2 meters away from the newly-built combined box-type substation, newly building a tested equipment foundation with the length of 5 meters and the width of 3 meters at a position 2 meters away from the cable distribution box, and newly building 1 in-and-1 cable distribution box at a position 2 meters away from the foundation. Newly building 1 combined box-type substation at the position 2 meters on the left side of the cable distribution box, and newly building 1 combined box-type substation at the position 2 meters on the left side of the combined box-type substation. Newly building 1 outdoor switch box at 2 meters of the south side of the tested foundation;
s7, the line F6 is connected to an electric pole branch point P3 arranged at the middle section of the line F6 through a pole switch K07, and is connected to an incoming and outgoing line switch G15 of the ring main unit at an electric pole branch point P3 through a pole switch T06;
and S8, at the branch point P3 of the electric pole, leading out the line F6 through a column switch K06, and switching in the branch point P2 of the electric pole through a column switch K05.
2. The site layout method applied to the power distribution network real model test platform is characterized in that the first loop overhead line is laid according to the following steps: newly building 1 pole with the length of 15 meters at the position of 20 meters on the right side of a low-voltage room, named as an A1 pole, newly building an A2 pole with the length of 15 meters on the right side of an A1 pole at the position of 14 meters, newly building a cable leading-off device 1 sleeve at the position of an A2 pole, newly building an A3 pole with the length of 15 meters on the right side of an A2 pole, transversely building a rack transformer 1 sleeve at the position of an A3 pole, adopting a 12-meter pole as an auxiliary pole, newly building an A4 pole with the length of 15 meters at the position of 9 meters on the right side of an A3 pole, newly building a sectionalizer 1 sleeve at the position of 9 meters on the right side of an A4 pole, newly building a sectionalizer 1 sleeve at the position of A5 pole with the length of 15 meters on the right side of an A4 pole, newly building an A7 pole leading-off device 1 sleeve at the position of 11 meters on the right side of an A5 pole, newly building an A6 pole with the length of 15 meters, newly building a pole leading-off device 1 sleeve at the position of an A6 pole, newly building a pole 4615 meters on, transversely newly-built rack transformer 1 platform in A8 pole department, the secondary pole adopts 12 meters pole, newly-built A9 No. 15 meters pole in 10 meters department on A8 pole right side, newly-built 1 cover of device is drawn down to the cable in A9 pole department, newly-built A10 No. 15 meters pole in 8 meters department on A9 pole right side, newly-built 1 platform of section circuit breaker in A10 number pole department, newly-built A11 No. 15 meters pole in 8 meters department on A10 pole right side, newly-built 1 cover of device is drawn down to the cable in A11 number pole department, newly-built A12 No. 15 meters pole in 7 meters department on A11 pole right side, newly-built 1 cover of device is drawn down to the cable in A12 number pole department.
3. The site layout method applied to the power distribution network real model test platform is characterized in that the second return overhead line is laid according to the following steps: newly building 1 pole with the length of 15 meters at the south side of the pole with the length of 2.5 meters of the pole with the number of A1, namely a pole with the length of B1, newly building a pole with the length of B2 and the length of 15 meters at the right side of the pole with the length of 14 meters of the pole with the length of B1, newly building a pole with the length of B4 and the length of 15 meters at the right side of the pole with the length of B2, transversely building a trestle transformer 1 at the pole with the length of B3, adopting a pole with the length of 12 meters at the auxiliary pole, newly building a pole with the length of A4 and the length of 15 meters at the right side of the pole with the length of B3, newly building a pole with the length of 1 at the pole with the length of B4, newly building a pole with the length of A5 and the length of 15 meters at the right side of the pole with the length of B4, newly building a pole with the length of 1 trestle at the length of B5, newly building a pole with the length of B6 and the length of 15 meters at the right side of the pole with the length of B6, newly building a pole at the length of B7 meters at the right, newly-installed cable at No. B8 pole department draws down device 1 cover, newly-built No. B9 15 meters pole at 8 meters department on B8 pole right side, newly-built 1 platform of section circuit breaker at No. B9 pole department, newly-built No. B10 15 meters pole at 8 meters department on B9 pole right side, newly-installed cable draws down device 1 cover at No. B10 pole department, newly-built No. B11 15 meters pole at 7 meters department on B10 pole right side, newly-installed cable draws down device 1 cover at No. B11 pole department, newly-built No. A12 meters pole at 15 meters department on B11 pole right side, newly-built 1 platform of tie breaker at No. A12 pole department.
4. The site layout method applied to the power distribution network real model test platform is characterized in that the third overhead line is laid according to the following steps: newly building 1 pole with the length of 15 meters at the south side of the pole with the length of 2.5 meters of the pole with the number of B1, namely a pole with the length of C1, newly building a tower with the length of C2 and the length of 13.5 meters at the right side of the pole with the length of 3 meters of the pole with the number of C1, newly building a pole with the length of C3 and the length of 15 meters at the right side of the pole with the length of 11 meters of the pole with the number of C2, newly building a pole with the length of C4 and the length of 15 meters at the right side of the pole with the length of C3, newly building a pole with the length of rack transformer 1 at the right side of the pole with the length of C4, newly building a pole with the length of 12 meters at the secondary pole, newly building a pole with the length of C5 and the length of 15 meters at the right side of the pole with the length of C5966, newly building a pole with the length of C5 and the length of 15 meters at the right side of the length of C6, newly building a pole with the length of C4615 meters at the right side of C7, newly building a pole at the newly building a pole with, a C9 # 13.5 m iron tower is newly built at the position 40 m on the right side of the C8 electric pole, a C09 # 15 m electric pole is newly built at the position 3 m on the right side of the C9 iron tower, and a cable leading-down device 1 sleeve is newly installed at the position of the C10 electric pole.
5. The site layout method applied to the power distribution network prototype test platform according to claim 4, wherein 1 in 1 out cable distribution box in the step S5 is installed at 6 meters in south of the C09 tower.
6. The site layout method applied to the power distribution network true type test platform as claimed in claim 1, wherein PI model devices with different equivalent lengths are connected in series on the first loop overhead line, the second loop overhead line, the third loop overhead line and the cable line connected with the cable distribution box to simulate the length of an actual power distribution network line.
7. The site layout method applied to the power distribution network real model test platform according to claim 1, wherein distribution line switches connected to the first loop overhead line, the second loop overhead line, the third loop overhead line and a cable line connected to the cable distribution box are all configured with distribution automation three-remote equipment.
8. The utility model provides a be applied to real type test platform's of distribution network place structure which characterized in that, the place structure of being applied to real type test platform of distribution network includes:
the high-voltage chamber is provided with one seat and adopts a10 kV high-voltage chamber;
the low-pressure chamber is provided with one seat and adopts a 0.4kV low-pressure chamber;
a box-type transformer;
a pole-mounted transformer;
the device comprises ring main units, wherein 3 ring main units are arranged, each ring main unit is connected with 6-circuit power distribution lines, and each ring main unit is of a single-bus segmented structure and is provided with a grid structure of 5 incoming and outgoing line switches and 1 bus coupler switch;
a cable distribution box;
an iron tower;
each distribution lines all includes that line section A and line section B constitute, wherein: the head end of the line section A is led out from the outgoing line circuit breaker, the tail end of the line section A is connected into an incoming and outgoing line switch of the ring main unit or a pole branch point pole switch, the head end of the line section B is led out from an incoming and outgoing line switch of the ring main unit or a pole branch point pole switch, the tail end of the line section B is connected into an incoming and outgoing line switch of the ring main unit or a pole branch point pole switch, and the pole branch point is connected into the incoming and outgoing line switch of the ring main unit through the interconnection switch.
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