CN112909751A - 500kV and 220kV indoor substation 500kV and 220kV same-side upper and lower double-layer overhead outgoing line structure - Google Patents

500kV and 220kV indoor substation 500kV and 220kV same-side upper and lower double-layer overhead outgoing line structure Download PDF

Info

Publication number
CN112909751A
CN112909751A CN202110310182.2A CN202110310182A CN112909751A CN 112909751 A CN112909751 A CN 112909751A CN 202110310182 A CN202110310182 A CN 202110310182A CN 112909751 A CN112909751 A CN 112909751A
Authority
CN
China
Prior art keywords
outgoing line
power distribution
voltage
overhead
framework
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
Application number
CN202110310182.2A
Other languages
Chinese (zh)
Inventor
邹符波
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Energy Engineering Group Guangdong Electric Power Design Institute Co Ltd
Original Assignee
China Energy Engineering Group Guangdong Electric Power Design Institute Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by China Energy Engineering Group Guangdong Electric Power Design Institute Co Ltd filed Critical China Energy Engineering Group Guangdong Electric Power Design Institute Co Ltd
Priority to CN202110310182.2A priority Critical patent/CN112909751A/en
Publication of CN112909751A publication Critical patent/CN112909751A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
    • H02B1/202—Cable lay-outs
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B5/00—Non-enclosed substations; Substations with enclosed and non-enclosed equipment
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B5/00—Non-enclosed substations; Substations with enclosed and non-enclosed equipment
    • H02B5/06—Non-enclosed substations; Substations with enclosed and non-enclosed equipment gas-insulated
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/22—Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G7/00—Overhead installations of electric lines or cables
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G7/00—Overhead installations of electric lines or cables
    • H02G7/20—Spatial arrangements or dispositions of lines or cables on poles, posts or towers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Suspension Of Electric Lines Or Cables (AREA)

Abstract

The invention discloses a 500KV and 220KV indoor transformer substation 500KV same-side upper and lower double-layer overhead outgoing line structure which comprises a power distribution device building, wherein the power distribution device building is provided with a 500KV overhead outgoing line platform, the top end of the power distribution device building is provided with a 500KV outgoing line framework, the upper part of the 500KV overhead outgoing line platform is provided with a 500KV power distribution chamber, a 500KVGIS high-voltage sleeve, a 500KV lightning arrester and a 500KV voltage transformer, 500KVGIS equipment is arranged in the 500KV power distribution chamber and is electrically connected with the 500KV high-voltage sleeve, and the 500KV outgoing line framework is electrically connected with the 500KVGIS high-voltage sleeve, the 500KV lightning arrester and the 500KV voltage transformer; the lower part of the 500KV overhead outgoing line platform is provided with a 220KV distribution chamber, 220KV distribution chambers are internally provided with 220KVGIS equipment, a 220KV outgoing line framework, a 220KVGIS high-voltage sleeve, a 220KV lightning arrester and a 220KV voltage transformer are arranged on the outdoor ground, the 220KVGIS equipment is electrically connected with the 220KVGIS high-voltage sleeve, and the 220KV outgoing line framework is electrically connected with the 220KVGIS high-voltage sleeve, the 220KV lightning arrester and the 220KV voltage transformer. The invention ensures that the outgoing line modes of the 500KV power distribution device and the 220KV power distribution device have the advantages of less occupied space, low disassembly difficulty and low operation and maintenance cost.

Description

500kV and 220kV indoor substation 500kV and 220kV same-side upper and lower double-layer overhead outgoing line structure
Technical Field
The invention relates to the technical field of high-voltage power transmission equipment, in particular to a 500KV indoor transformer substation 500KV and 220KV same-side upper and lower double-layer overhead outgoing line structure.
Background
With the continuous improvement of the industrialization level, the urban scale is gradually enlarged, the power load density is increased year by year, and the construction of transformer stations in cities becomes a necessary trend. In order to ensure safe and reliable power utilization in large city centers and to construct economical, environment-friendly and harmonious power grids, the existing 500KV transformer substations are gradually set in an indoor arrangement mode.
According to the understanding, the existing 500KV indoor transformer substation has two outgoing modes, the first mode is a multi-side single-layer overhead outgoing mode, the 500KV power distribution device and the 220KV power distribution device are symmetrically overhead outgoing, the second mode is a cable tunnel outgoing mode, the 500KV power distribution device and the 220KV power distribution device adopt cable tunnels in different directions to be in butt joint with cable layers, and cables with different voltage grades enter the tunnels through the cable layers so as to realize outgoing. However, the above-described prior art has the following problems:
(1) the wire outlet condition requirement of the multi-side single-layer overhead wire outlet mode is higher, the occupied space is more, the removal difficulty is high, and the removal cost is high;
(2) the cable tunnel outlet mode has high engineering cost, the transmission capacity of the cable line is limited, and the operation and maintenance costs of the cable tunnel and the cable line are high
Disclosure of Invention
The purpose of the invention is: the invention provides an upper and lower double-layer overhead outgoing line structure of 500KV and 220KV of a 500KV indoor transformer substation, so that outgoing lines of a 500KV power distribution device and a 220KV power distribution device have the advantages of small occupied space, low construction difficulty, low disassembly difficulty and low operation and maintenance cost.
In order to achieve the purpose, the invention provides a 500KV indoor transformer substation 500KV and 220KV same-side upper and lower double-layer overhead outgoing line structure which comprises a power distribution device building, wherein the power distribution device building is provided with a 500KV overhead outgoing line platform, the top end of the power distribution device building is provided with a 500KV outgoing line framework, the upper part of the 500KV overhead outgoing line platform is provided with a 500KV power distribution chamber, a 500KVGIS high-voltage bushing, a 500KV lightning arrester and a 500KV voltage transformer, 500KVGIS equipment is arranged in the 500KV power distribution chamber and is electrically connected with the 500KV high-voltage bushing, and the 500KV outgoing line framework is electrically connected with the 500KVGIS high-voltage bushing, the 500KV lightning arrester and the 500KV voltage transformer through down leads;
the lower portion of the 500KV overhead outgoing line platform is provided with a 220KV distribution chamber, 220KV equipment is arranged in the 220KV distribution chamber, a 220KV outgoing line framework, a 220KV VGIS high-voltage sleeve, a 220KV lightning arrester and a 220KV voltage transformer are arranged on the outdoor ground, the 220KV equipment is electrically connected with the 220KV voltage sleeve, and the 220KV outgoing line framework is electrically connected with the 220KV voltage sleeve, the 220KV lightning arrester and the 220KV voltage transformer through down leads.
In some embodiments of the present application, the outlet height of the 500KV outlet frame is 13m higher than the outlet height of the 220KV outlet frame.
In some embodiments of the present application, the outgoing line height of the 500KV outgoing line framework is 39m, and the outgoing line height of the 220KV outgoing line framework is 26 m.
In some embodiments of the present application, the outgoing line height of the 500KV outgoing line framework is 34m, and the outgoing line height of the 220KV outgoing line framework is 21 m.
In some embodiments of the present application, a crawler crane is arranged on the upper portion of the 500KV overhead outgoing line platform.
In some embodiments of the present application, the height of the 500KV overhead outlet platform is 10 m.
The embodiment of the invention provides a 500KV indoor transformer substation 500KV and 220KV same-side upper and lower double-layer overhead outgoing line structure, which has the beneficial effects that compared with the prior art, the 500KV indoor transformer substation 500KV and 220KV same-side upper and lower double-layer overhead outgoing line structure comprises:
the 500KV outgoing line framework is arranged at the top end of the power distribution device building, the 500KVGIS equipment, the 500KVGIS high-voltage sleeve, the 500KV lightning arrester and the 500 voltage transformer are arranged above the 500KV overhead outgoing line platform, the 220KVGIS equipment is arranged below the 500KV overhead outgoing line platform, and the 220KV outgoing line framework, the 220KVGIS high-voltage sleeve, the 220KV lightning arrester and the 200 voltage transformer are arranged on the outdoor ground.
Drawings
Fig. 1 is a schematic structural diagram of an upper and lower double-layer overhead outgoing line structure on the same side of 500KV and 220KV of a 500KV indoor substation in an embodiment of the invention.
In the figure, 1 KV and 500KV overhead outgoing line platforms are arranged; 2. a 500KV outgoing line framework; 3. 500KV power distribution room; 4. 500KVGIS high voltage bushing; 5. 500KV lightning arrester; 6. 500KV voltage transformer; 7. 500KVGIS equipment; 8. 220KV power distribution room; 9. a 220KV outgoing line framework; 10. a 220KVGIS high voltage bushing; 11. 220KV lightning arrester; 12. a 220KV voltage transformer; 13. 220KVGIS device.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
As shown in fig. 1, an embodiment of the present invention provides a 500KV and 220KV same-side upper and lower double-layer overhead outgoing line structure of a 500KV indoor substation, which includes a distribution device building, the distribution device building is provided with a 500KV overhead outgoing line platform 1, the top end of the distribution device building is provided with a 500KV outgoing line framework 2, the upper portion of the 500KV overhead outgoing line platform 1 is provided with a 500KV distribution room 3, a 500KV gis high-voltage bushing 4, a 500KV lightning arrester 5 and a 500KV voltage transformer 6, the 500KV distribution room 3 is internally provided with a 500KV gis device 7, the 500KV gis device 7 is electrically connected with the 500KV high-voltage bushing, and the 500KV outgoing line framework 2 is electrically connected with the 500KV gis high-voltage bushing 4, the 500KV lightning arrester 5 and the 500KV voltage;
the lower part of the 500KV overhead outgoing line platform 1 is provided with a 220KV distribution chamber 8, the 220KV distribution chamber 8 is internally provided with 220KVGIS equipment 13, a 220KV outgoing line framework 9, a 220KVGIS high-voltage bushing 10, a 220KV lightning arrester 11 and a 220KV voltage transformer 12 are arranged on the outdoor ground, the 220KVGIS equipment 13 is electrically connected with the 220KVGIS high-voltage bushing 10, and the 220KV outgoing line framework 9 is electrically connected with the 220KVGIS high-voltage bushing 10, the 220KV lightning arrester 11 and the 220KV voltage transformer 12 through down-lead wires.
Based on the arrangement, the 500KV indoor transformer substation 500KV and 220KV same-side upper and lower double-layer overhead outgoing line structure of the embodiment of the invention, as the 500KV power distribution device framework 2 is arranged at the top end of the power distribution device building, the 500KVGIS equipment 7, the 500KVGIS high-voltage bushing 4, the 500KV lightning arrester 5 and the 500 voltage transformer are arranged above the 500KV overhead power outlet platform 1, the 220KVGIS equipment 13 is arranged below the 500KV overhead power outlet platform 1, and the 220KV power outlet framework 9, the 220KVGIS high-voltage bushing 10, the 220KV lightning arrester 11 and the 200 voltage transformer are arranged on the outdoor ground, therefore, the 500KV power distribution device and the 220KV power distribution device are arranged in a stacked mode, therefore, the purposes of fully utilizing the internal space of the 500KV indoor transformer substation, occupying less internal space of the 500KV indoor transformer substation, leading out wires easily, saving occupied area, reducing removal amount, reducing construction cost and ensuring output capacity of lines are achieved.
In some embodiments, optionally, as shown in fig. 1, the construction scale of the 500KV indoor substation is that, a 500KV outgoing line: 6, returning; 220KV outgoing line: 8 times.
In some embodiments, as shown in fig. 1, optionally, the 500KV lightning arresters 5 and 220KV lightning arresters are open pillar type zinc oxide lightning arresters, and the 500KV voltage transformers 6 and 220KV voltage transformers are open pillar type capacitor voltage transformers.
In some embodiments, optionally, as shown in fig. 1, when the 500KV outgoing line and the 220KV outgoing line are subjected to outage maintenance at the same time, in order to ensure the live safety distance of the outage maintenance and simultaneously consider the inconsistency between the sag of the 500KV outgoing line and the sag of the 220KV, the outgoing line height of the 500KV outgoing line framework 2 is 13m higher than the outgoing line height of the 220KV outgoing line framework 9.
In some embodiments, optionally, as shown in fig. 1, the outlet height of the 500KV outlet frame 2 is 39m in consideration of the connection height of the line termination tower;
considering the field spanning the long-term 35KV parallel capacitor bank and the 35KV parallel reactor bank, the installation, the overhaul and the hoisting of the parallel capacitor bank and the parallel reactor bank are met for the extension of the long-term 35KV parallel capacitor bank and the 35KV parallel reactor bank, the live operation of the upper 220KV overline is not influenced, and the outgoing line height of the 220KV outgoing line framework 9 is 26 m.
In some embodiments, optionally, as shown in fig. 1, the outlet height of the 500KV outlet frame 2 is 34m in consideration of the connection height of the line termination tower;
also, the outlet height of the 220KV outlet frame 9 is 21m in consideration of the connection height of the line termination tower.
In some embodiments, optionally, as shown in fig. 1, in order to facilitate the transportation and maintenance of the 500KV power distribution apparatus, for a newly-built 500KV power distribution apparatus, a ground truck is used to hoist the 500KV overhead outlet platform 1; meanwhile, a crawler crane is arranged on the upper part of the 500KV overhead outgoing line platform 1, so that the 500KV power distribution device can be conveniently installed and maintained.
In some embodiments, optionally, as shown in fig. 1, the height of the power distribution equipment building is 23m, and the height of the 500KV overhead outlet platform 1 is 10 m.
To sum up, in the 500KV indoor substation 500KV and 220KV same-side upper and lower double-layer overhead outgoing line structure of the embodiment of the present invention, the 500KV outgoing line framework 2 is disposed at the top end of the distribution device building, the 500KV vgis device 7, the 500KV vgis high-voltage bushing 4, the 500KV arrester 5 and the 500 voltage transformer are disposed above the 500KV overhead outgoing line platform 1, the 220KV vgis device 13 is disposed below the 500KV overhead outgoing line platform 1, and the 220KV outgoing line framework 9, the 220KV vgis high-voltage bushing 10, the 220KV arrester 11 and the 200 voltage transformer are disposed on the outdoor ground, so that the 500KV distribution device and the 220KV distribution device are arranged in a stacked manner, thereby achieving the purposes of fully utilizing the internal space of the 500KV indoor substation, occupying less internal space of the 500KV indoor substation, being easy to be outgoing, saving floor area, reducing the amount of relocation, reducing the construction cost and ensuring the output capacity of the line.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims (6)

1. The 500KV indoor substation 500KV and 220KV same-side upper and lower double-layer overhead outgoing line structure is characterized by comprising a power distribution device building, wherein the power distribution device building is provided with a 500KV overhead outgoing line platform, the top end of the power distribution device building is provided with a 500KV outgoing line framework, the upper part of the 500KV overhead outgoing line platform is provided with a 500KV power distribution chamber, a 500KVGIS high-voltage sleeve, a 500KV lightning arrester and a 500KV voltage transformer, 500KVGIS equipment is arranged in the 500KV power distribution chamber and is electrically connected with the 500KV high-voltage sleeve, and the 500KV outgoing line framework is electrically connected with the 500KVGIS high-voltage sleeve, the 500KV lightning arrester and the 500KV voltage transformer through down leads;
the lower portion of the 500KV overhead outgoing line platform is provided with a 220KV distribution chamber, 220KV equipment is arranged in the 220KV distribution chamber, a 220KV outgoing line framework, a 220KV VGIS high-voltage sleeve, a 220KV lightning arrester and a 220KV voltage transformer are arranged on the outdoor ground, the 220KV equipment is electrically connected with the 220KV voltage sleeve, and the 220KV outgoing line framework is electrically connected with the 220KV voltage sleeve, the 220KV lightning arrester and the 220KV voltage transformer through down leads.
2. The 500KV indoor substation 500KV and 220KV same-side upper and lower double-layer overhead outgoing line structure of claim 1, wherein the outgoing line height of the 500KV outgoing line framework is 13m higher than that of the 220KV outgoing line framework.
3. The 500KV indoor substation 500KV and 220KV same-side upper and lower double-layer overhead outgoing line structure of claim 2, wherein the outgoing line height of the 500KV outgoing line framework is 39m, and the outgoing line height of the 220KV outgoing line framework is 26 m.
4. The 500KV indoor substation 500KV and 220KV same-side upper and lower double-layer overhead outgoing line structure of claim 2, wherein the outgoing line height of the 500KV outgoing line framework is 34m, and the outgoing line height of the 220KV outgoing line framework is 21 m.
5. The 500KV indoor substation 500KV and 220KV same-side upper and lower double-layer overhead outgoing line structure as claimed in claim 2, wherein a crawler crane is arranged on the upper portion of the 500KV overhead outgoing line platform.
6. The 500KV indoor substation 500KV and 220KV same-side upper and lower double-layer overhead outgoing line structure of claim 2, wherein the height of the 500KV overhead outgoing line platform is 10 m.
CN202110310182.2A 2021-03-23 2021-03-23 500kV and 220kV indoor substation 500kV and 220kV same-side upper and lower double-layer overhead outgoing line structure Pending CN112909751A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110310182.2A CN112909751A (en) 2021-03-23 2021-03-23 500kV and 220kV indoor substation 500kV and 220kV same-side upper and lower double-layer overhead outgoing line structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110310182.2A CN112909751A (en) 2021-03-23 2021-03-23 500kV and 220kV indoor substation 500kV and 220kV same-side upper and lower double-layer overhead outgoing line structure

Publications (1)

Publication Number Publication Date
CN112909751A true CN112909751A (en) 2021-06-04

Family

ID=76106169

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110310182.2A Pending CN112909751A (en) 2021-03-23 2021-03-23 500kV and 220kV indoor substation 500kV and 220kV same-side upper and lower double-layer overhead outgoing line structure

Country Status (1)

Country Link
CN (1) CN112909751A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114400514A (en) * 2021-12-31 2022-04-26 广东顺德电力设计院有限公司 GIS power distribution unit's outlet structure and GIS transformer substation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114400514A (en) * 2021-12-31 2022-04-26 广东顺德电力设计院有限公司 GIS power distribution unit's outlet structure and GIS transformer substation

Similar Documents

Publication Publication Date Title
CN202978006U (en) Ultrahigh voltage intelligent substation medium-voltage side HGIS power distribution device
CN112909751A (en) 500kV and 220kV indoor substation 500kV and 220kV same-side upper and lower double-layer overhead outgoing line structure
CN214506065U (en) 500KV and 220KV indoor substation 500KV and 220KV same-side upper and lower double-layer overhead outgoing line structure
CN204691375U (en) The narrow base steel tube tower of a kind of 220kV tetra-return cable terminal
CN214506064U (en) 500kV main transformer overhead incoming line structure of 500kV indoor transformer substation
CN103354319B (en) A kind of 220 kilovolts of outdoor GIS double-dragonfly-typoutlet outlet wire arrangement structure
CN102891439A (en) Medium-voltage side hybrid gas insulated switchgear (HGIS) distribution device for ultrahigh voltage intelligent substation
CN201846015U (en) GIS (global information system) power distribution unit adopting one and half breaker connection
CN207896524U (en) A kind of full indoor substation of 500KV and complex building
CN201985528U (en) Series compensation system adopting line iron towers
CN210723704U (en) Double-layer linear outgoing line arrangement structure of 220kV indoor GIS equipment
CN210224771U (en) 220kV indoor transformer substation with optimized connection structure
CN211907960U (en) 500kV-220kV composite substation
CN203312636U (en) Double-flying dragonfly outgoing line arranging structure of 220 kilovolt outdoor GIS
CN207459403U (en) A kind of vertical wire outlet structure of compact 330kV substations GIS
CN111987597A (en) Outgoing line arrangement structure of 330kV HGIS power distribution device
CN107591684B (en) Perpendicular outlet structure of 330kV transformer substation GIS
CN207459404U (en) Indoor GIS device roof outlet structure
CN115800355B (en) High-capacity offshore converter station
CN214625744U (en) 500kV indoor transformer substation low-voltage bus arrangement structure
CN110535036A (en) A kind of indoor GIS device bilayer "-" type outlet arragement construction of 220kV
CN205713387U (en) A kind of four return cable terminal towers
CN216740925U (en) Four-loop aerial cable terminal tower
CN111049054B (en) Vehicle-mounted movable GIS equipment
CN219247167U (en) Mobile substation

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination