CN206533148U - Flexible direct current back-to-back converter substation valve Room arrangement - Google Patents
Flexible direct current back-to-back converter substation valve Room arrangement Download PDFInfo
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- CN206533148U CN206533148U CN201720192752.1U CN201720192752U CN206533148U CN 206533148 U CN206533148 U CN 206533148U CN 201720192752 U CN201720192752 U CN 201720192752U CN 206533148 U CN206533148 U CN 206533148U
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- bridge arm
- phases
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- cross streams
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/10—Flexible AC transmission systems [FACTS]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/60—Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD]
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Abstract
The utility model discloses a kind of flexible direct current back-to-back converter substation valve Room arrangement, including converter station valve hall, the centre of the converter station valve hall is provided with divider wall, the both sides of the divider wall are symmetrically arranged with the first change of current valve cell and the second change of current valve cell, and first change of current valve cell is identical with the structure of the second change of current valve cell；First change of current valve cell, the second change of current valve cell include upper bridge arm converter valve, the lower bridge arm converter valve set with upper bridge arm converter valve with phase；Each upper bridge arm converter valve bridge arm on bridge arm in bridge arm in A phases, B phases and C phases is arranged in order from top to bottom to be constituted, and each lower bridge arm converter valve bridge arm under bridge arm, C phases under bridge arm, B phases under A phases is arranged in order from top to bottom to be constituted.The flexible direct current back-to-back converter substation valve Room of the present utility model arrangement can meet back-to-back both sides AC-HVDC translation function, and the method for operation independently as STATCOM can be realized again.
Description
Technical field
The utility model is related to DC transmission engineering technical field, and in particular to a kind of flexible direct current back-to-back converter substation valve
Room arrangement.
Background technology
Back-to-back as a kind of particular form of D.C. high voltage transmission, the converting plant of D.C. high voltage transmission and Inverter Station are closed
And in a current conversion station, completed in same place by AC-DC, then the commutation course exchanged is become by direct current.The valve Room is to lean against
Core and crucial part the most are carried on the back in converter station project, either investment or importance are all accounted in whole current conversion station
According to absolute status.Valve Room electric layout structure largely determines the arrangement of whole current conversion station, so as to whole
The technical scheme of engineering and or even cost generation influence.At present, Technology of HVDC based Voltage Source Converter is just tentatively started to walk, and flexible direct current is leaned against
Back of the body converter station valve hall electric layout structure does not have the engineering experience that can use for reference reference.
Power distribution equipment includes back-to-back both sides flexible direct current converter valve, the change of current in the valve Room of flexible direct current back-to-back converter substation
Valve exchange side apparatus, converter valve bus rod, direct-current polar equipment etc., wherein flexible direct current converter valve are AC and DC conversions
Nucleus equipment.In addition, the back-to-back valve Room arrangement of flexible direct current also needs to adapt to back-to-back both sides converter valve according to requirement of engineering
Independently as STATCOM (Static Synchronous Compensator, hereinafter referred to as statcom)
The method of operation, reactive power support is provided for both sides AC system.At present, Technology of HVDC based Voltage Source Converter is just tentatively started to walk, flexible direct current
Back-to-back converter substation valve Room electric layout structure does not have the engineering experience that can use for reference reference.
Utility model content
The purpose of this utility model is to overcome the shortcomings of above-mentioned background technology, and back-to-back two can be met by providing one kind
Top-cross direct current transportation translation function, can realize that the flexible direct current of the method for operation independently as statcom is changed back-to-back again
Stream station valve Room arrangement.
To realize the purpose of this utility model, the flexible direct current back-to-back converter substation valve Room arrangement designed by the utility model
Structure, including converter station valve hall, the centre of the converter station valve hall are provided with divider wall, and the both sides of the divider wall are symmetrical arranged
There are the first change of current valve cell and the second change of current valve cell, the structure phase of first change of current valve cell and the second change of current valve cell
Together；First change of current valve cell, the second change of current valve cell include upper bridge arm converter valve, set with upper bridge arm converter valve with phase
Lower bridge arm converter valve；Each upper bridge arm converter valve on bridge arm in bridge arm in A phases, B phases and C phases bridge arm from top to bottom according to
Secondary to rearrange, each lower bridge arm converter valve bridge arm under bridge arm, C phases under bridge arm, B phases under A phases is arranged successively from top to bottom
Row composition；
The upper bridge arm converter valve, the AC of lower bridge arm converter valve are provided with inlet wire commutation transition bus, the upper bridge
The DC side of arm converter valve is provided with the first bus rod, and direct-flow positive pole is provided between first bus rod and divider wall
Bus equipment；The DC side of the lower bridge arm converter valve is provided with the second bus rod, second bus rod and divider wall
Between be provided with direct current negative electrode bus equipment；
The AC of first change of current valve cell and the second change of current valve cell, which is symmetrically arranged with six, to be used for and the external world
The exchange wall bushing of three-phase alternating-current supply connection, the exchange wall bushing includes the first A phases being arranged in order from top to bottom
Exchange wall bushing, the 2nd A cross streams wall bushing, the first B cross streams wall bushing, the 2nd B cross streams wall bushing, first
C cross streams wall bushing, the 2nd C cross streams wall bushings；
The AC of bridge arm is electrically connected by the first A cross streams wall bushing with A cross streams in the A phases, in the B phases
The AC of bridge arm is electrically connected by the first B cross streams wall bushing with B cross streams, and the AC of bridge arm passes through in the C phases
First C cross streams wall bushing is electrically connected with C cross streams, and the AC of bridge arm passes through the 2nd A cross streams set through walls under the A phases
Pipe is electrically connected with A cross streams, and the AC of bridge arm is electrically connected by the 2nd B cross streams wall bushing and B cross streams under the B phases
Connect, the AC of bridge arm is electrically connected by the 2nd C cross streams wall bushing with C cross streams under the C phases；
Bridge arm in the A phases, after the DC side of bridge arm is confluxed by the first bus rod three-phase in bridge arm and C phases in B phases
It is connected with direct-flow positive pole bus equipment, the direct-flow positive pole bus equipment of first change of current valve cell and the second change of current valve cell
Connected between direct-flow positive pole bus equipment by the first direct-current wall bushing through divider wall；
After the DC side of bridge arm is confluxed by the second bus rod three-phase under bridge arm and C phases under bridge arm, B phases under the A phases
It is connected with direct current negative electrode bus equipment, the direct current negative electrode bus equipment of first change of current valve cell and the second change of current valve cell
Connected between direct current negative electrode bus equipment by the second direct-current wall bushing through divider wall.
In above-mentioned technical proposal, bridge arm in the A phases of each upper bridge arm converter valve, bridge arm in B phases, bridge arm three in C phases
It is arranged parallel between person, the direct-flow positive pole bus equipment and bridge arm, C in bridge arm in the A phases of upper bridge arm converter valve, B phases
Bridge arm is mutually arranged vertically in phase.
In above-mentioned technical proposal, bridge arm three under bridge arm, C phases under bridge arm, B phases under the A phases of each lower bridge arm converter valve
Mutually it is arranged in parallel between person, the direct current negative electrode bus equipment and bridge arm under bridge arm, B phases under the A phases of lower bridge arm converter valve,
Bridge arm is mutually arranged vertically under C phases.
In above-mentioned technical proposal, the inlet wire commutation transition bus includes the first ground and supports transition conduit bus, the second ground
Support transition conduit bus, the first suspension tubular busbar, the second suspension tubular busbar in face；The AC of bridge arm and the first A phases in the A phases
Exchange wall bushing is connected by high-order inlet wire, and the AC of bridge arm supports transition conduit female by the first ground in the B phases
Line is connected with the first B cross streams wall bushings, and the AC of bridge arm passes through the first suspension tubular busbar and the first C in the C phases
Cross streams wall bushing is connected；
The AC of bridge arm is connected by the second suspension tubular busbar with the 2nd A cross streams wall bushings under the A phases, institute
The AC for stating bridge arm under B phases supports transition conduit bus to be connected with the 2nd B cross streams wall bushings by the second ground, described
The AC of bridge arm is connected with the 2nd C cross streams wall bushing by high-order inlet wire under C phases.
In above-mentioned technical proposal, bridge arm in each A phases, bridge arm in B phases, in C phases under bridge arm, A phases under bridge arm, B phases
Bridge arm is composed in series by several converter valve towers under bridge arm, C phases.
In above-mentioned technical proposal, the current potential of first bus rod is identical with the current potential of upper bridge arm converter valve DC side；
The current potential of second bus rod is identical with the current potential of lower bridge arm converter valve DC side.The electricity of the direct-flow positive pole bus equipment
Position, the current potential of the direct current negative electrode bus equipment and the current potential phase of second bus rod identical with the current potential of the first bus rod
Together.
Compared with prior art, the utility model has the following advantages that：
First, the utility model by setting direct current pole bus equipment in back-to-back both sides respectively, and in back-to-back both sides
Install divider wall between the bus of pole additional, back-to-back valve Room arrangement can both meet back-to-back both sides AC-HVDC translation function, and energy
Enough adapt to side converter valve and do statcom operation, the operating mode of opposite side converter valve maintenance, can be flexibly both sides AC system
Reactive power support is provided, is easy to operation maintenance to overhaul.
Second, back-to-back both sides converter valve of the present utility model is independently as the statcom method of operation, both sides are changed
Stream valve arrangement is spatially completely independent, during both having ensure that side converter valve charging operation opposite side converter valve interruption maintenance
Outside powered required distance, during also ensure that side converter valve has a power failure into people's maintenance, changing for opposite side charging operation is not influenceed
Flow the running environment condition of valve, such as humiture and pressure-fired.
Third, in the electric layout structure of the flexible direct current back-to-back converter substation valve Room of the present utility model, valve Room electrical equipment
Compact and reasonable arrangement, function division is clearly simple, saves floor space, and it is flexibly two top-cross to meet back-to-back both sides converter valve
Streaming system provides the demand of reactive power support, is easy to operation maintenance to overhaul, and improves operational flexibility, security and reliability.
Brief description of the drawings
Fig. 1 is a kind of dimensional structure diagram of flexible direct current back-to-back converter substation valve Room arrangement of the utility model；
Wherein：1- converter station valve halls, 2- divider walls, first changes of current of 3- valve cell, second changes of current of 4- valve cell, the upper bridge arms of 5-
Bridge arm in converter valve, 5.1-A phases, bridge arm in 5.2-B phases, bridge under bridge arm converter valve, 6.1-A phases under bridge arm, 6- in 5.3-C phases
Bridge arm under bridge arm, 6.3-C phases under arm, 6.2-B phases, 7- inlet wire commutations transition bus, the ground of 7.1- first support transition conduit bus,
Support that transition conduit bus, the suspension tubular busbars of 7.3- first, the suspension tubular busbars of 7.4- second, 8- first conflux mother in the ground of 7.2- second
Line, the bus rods of 9- second, 10- direct-flow positive poles bus equipment, 11- direct current negative electrode bus equipment, the A of 12.1- the first are intersecting to be flowed through
Wall sleeve, the A cross streams wall bushings of 12.2- the 2nd, the B cross streams wall bushings of 12.3- the first, the B cross streams of 12.4- the 2nd are through walls
Sleeve pipe, the C cross streams wall bushings of 12.5- the first, the C cross streams wall bushings of 12.6- the 2nd, the direct-current wall bushings of 13.1- first,
The direct-current wall bushings of 13.2- second, 14- converter valve towers.
Embodiment
Performance of the present utility model is described in detail with reference to case study on implementation, but they are not constituted to this practicality newly
The restriction of type, it is only for example.Simultaneously by illustrating that advantage of the present utility model will become clearer and be readily appreciated that.
A kind of flexible direct current back-to-back converter substation valve Room arrangement of the present utility model as shown in Figure 1, including current conversion station
The valve Room 1, the centre of converter station valve hall 1 is provided with divider wall 2, and the both sides of divider wall 2 are symmetrically arranged with the He of the first change of current valve cell 3
Second change of current valve cell 4, the first change of current valve cell 3 is identical with the structure of the second change of current valve cell 4；First change of current valve cell 3,
Two change of current valve cells 4 include upper bridge arm converter valve 5, the lower bridge arm converter valve 6 set with upper bridge arm converter valve 5 with phase；Each
Upper bridge arm converter valve 5 bridge arm 5.3 on bridge arm 5.2 in bridge arm 5.1 in A phases, B phases and C phases is arranged in order from top to bottom to be constituted, often
Individual lower bridge arm converter valve 6 bridge arm 6.3 under bridge arm 6.2, C phases under bridge arm 6.1, B phases under A phases is arranged in order from top to bottom to be constituted；
Upper bridge arm converter valve 5, the AC of lower bridge arm converter valve 6 are provided with inlet wire commutation transition bus 7, the upper bridge arm change of current
The DC side of valve 5 is provided with the first bus rod 8, and being provided with direct-flow positive pole bus between the first bus rod 8 and divider wall 2 sets
Standby 10；The DC side of lower bridge arm converter valve 6 is provided with the second bus rod 9, is set between the second bus rod 9 and divider wall 2
There is direct current negative electrode bus equipment 11；
The AC of first change of current valve cell 3 and the second change of current valve cell 4, which is symmetrically arranged with six, to be used for and the external world three
The exchange wall bushing of cross streams power supply connection, exchange wall bushing includes that the first A that is arranged in order from top to bottom is intersecting to be flowed through
Wall sleeve 12.1, the 2nd A cross streams wall bushing 12.2, the first B cross streams wall bushing 12.3, the 2nd B cross streams set through walls
Pipe 12.4, the first C cross streams wall bushing 12.5, the 2nd C cross streams wall bushing 12.6；
The AC of bridge arm 5.1 is electrically connected by the first A cross streams wall bushing 12.1 with A cross streams in A phases, in B phases
The AC of bridge arm 5.2 is electrically connected by the first B cross streams wall bushing 12.3 with B cross streams, the exchange of bridge arm 5.3 in C phases
Side is electrically connected by the first C cross streams wall bushing 12.5 with C cross streams, and the AC of bridge arm 6.1 passes through the 2nd A phases under A phases
Exchange wall bushing 12.2 is electrically connected with A cross streams, and the AC of bridge arm 6.2 passes through the 2nd B cross streams wall bushings under B phases
12.4 electrically connect with B cross streams, and the AC of bridge arm 6.3 passes through the 2nd C cross streams wall bushing 12.6 and C cross streams under C phases
Electrical connection；
Bridge arm 5.1 in A phases, the DC side of bridge arm 5.3 passes through the three-phase of the first bus rod 8 in bridge arm 5.2 and C phases in B phases
It is connected after confluxing with direct-flow positive pole bus equipment 10, the change of current of direct-flow positive pole bus equipment 10 and second of the first change of current valve cell 3
Connected between the direct-flow positive pole bus equipment 10 of valve cell 4 by the first direct-current wall bushing 13.1 through divider wall 2；
The DC side of bridge arm 6.3 passes through the three-phase of the second bus rod 9 under bridge arm 6.2 and C phases under bridge arm 6.1, B phases under A phases
It is connected after confluxing with direct current negative electrode bus equipment 11, the direct current negative electrode bus equipment 11 of the first change of current valve cell 3 and second change of current
Connected between the direct current negative electrode bus equipment 11 of valve cell 4 by the second direct-current wall bushing 13.2 through divider wall 2.This
Sample, the back-to-back both sides positive and negative electrode in the flexible direct current back-to-back converter substation valve Room respectively sets 1 set of direct-flow positive pole bus equipment 10, direct current and born
Pole bus equipment 11, centre installs divider wall 2 additional, and both sides direct current positive and negative electrode bus is connected by direct-current wall bushing, to realize the back of the body
The independent operation as statcom of backrest side converter valve, the method for operation of opposite side converter valve interruption maintenance.Back-to-back both sides
Converter valve is independently as the statcom method of operation, and converter valve arrangement in both sides is spatially completely independent, and both ensure that one
Outside powered required distance during the converter valve charging operation opposite side converter valve interruption maintenance of side, side converter valve also ensure that
During having a power failure into people's maintenance, the running environment condition of the converter valve of opposite side charging operation, such as humiture and pressure-fired are not influenceed.
In above-mentioned technical proposal, bridge arm 5.1 in the A phases of each upper bridge arm converter valve 5, bridge arm 5.2 in B phases, bridge arm in C phases
Be arranged parallel between 5.3 threes, direct-flow positive pole bus equipment 10 with bridge arm 5.1 in the A phases of upper bridge arm converter valve 5, B phases
Bridge arm 5.3 is mutually arranged vertically on bridge arm 5.2, C phases.Bridge arm under bridge arm 6.1, B phases under the A phases of each lower bridge arm converter valve 6
6.2nd, mutually it is arranged in parallel between the three of bridge arm 6.3 under C phases, the A phases of direct current negative electrode bus equipment 11 and lower bridge arm converter valve 6
Bridge arm 6.3 is mutually arranged vertically under bridge arm 6.2, C phases under lower bridge arm 6.1, B phases.Bridge arm 5.1 in each A phases, bridge arm in B phases
5.2nd, bridge arm 6.3 is gone here and there by several converter valve towers 14 under bridge arm 6.2, C phases under bridge arm 6.1, B phases under bridge arm 5.3, A phases in C phases
Joint group into.So, direct-flow positive pole bus equipment 10, direct current negative electrode bus equipment 11 use yi word pattern perpendicular to converter valve bridge arm side
To arrangement, flexible direct current converter valve is used and is adjacently positioned with bridge arm converter valve 5 in phase and lower bridge arm converter valve 6：Bridge arm-B in A phases
Bridge arm, i.e., upper bridge arm converter valve corresponding with positive pole under bridge arm-C phases under bridge arm-B phases under bridge arm-A phases in bridge arm-C phases in phase
5 three-phases are adjacently positioned, lower bridge arm converter valve 6 three-phase corresponding with negative pole is adjacently positioned.
In above-mentioned technical proposal, inlet wire commutation transition bus 7 includes the first ground and supports transition conduit bus 7.1, the second ground
Support transition conduit bus 7.2, the first suspension tubular busbar 7.3, the second suspension tubular busbar 7.4 in face；The AC of bridge arm 5.1 in A phases
It is connected with the first A cross streams wall bushing 12.1 by high-order inlet wire, the AC of bridge arm 5.2 passes through the first ground in B phases
Transition conduit bus 7.1 is supported to be connected with the first B cross streams wall bushing 12.3, the AC of bridge arm 5.3 passes through first in C phases
Suspension tubular busbar 7.3 is connected with the first C cross streams wall bushing 12.5；The AC of bridge arm 6.1 passes through the second suspention under A phases
Pipe bus 7.4 is connected with the 2nd A cross streams wall bushing 12.2, and the AC of bridge arm 6.2 is supported by the second ground under B phases
Transition conduit bus 7.2 is connected with the 2nd B cross streams wall bushing 12.4, and the AC of bridge arm 6.3 intersects with the 2nd C under C phases
Wall sleeve 12.6 is flowed through by high-order inlet wire to be connected.
In above-mentioned technical proposal, the current potential of the first bus rod 8 is identical with the current potential of the upper DC side of bridge arm converter valve 5, and two
Person, can compact Layout without powered required distance；The current potential phase of the current potential of second bus rod 9 and the lower DC side of bridge arm converter valve 6
Together, both, can compact Layout without powered required distance.The electricity of the current potential of direct-flow positive pole bus equipment 10 and the first bus rod 8
Position is identical, distance between the two by meeting under direct current pole bus this side converter valve interruption maintenance, offside converter valve running status,
Static contact isolation switch the direct-current polar this side converter valve DC convergent current bus bar, examine over the ground by powered required distance on the bus of pole
Consider；Equally, the current potential of direct current negative electrode bus equipment 11 is identical with the current potential of the second bus rod 9, both without powered required distance,
Can compact Layout, distance between the two runs shape by direct current pole bus this side converter valve interruption maintenance, offside converter valve is met
Under state, band electrical distance will over the ground the direct-current polar this side converter valve DC convergent current bus bar for static contact isolation switch on the bus of pole
Ask consideration.
The content that this specification is not described in detail belongs to prior art known to professional and technical personnel in the field.
Claims (7)
1. a kind of flexible direct current back-to-back converter substation valve Room arrangement, including converter station valve hall (1), it is characterised in that：It is described
The centre of converter station valve hall (1) is provided with divider wall (2), and the both sides of the divider wall (2) are symmetrically arranged with the first converter valve list
First (3) and the second change of current valve cell (4), first change of current valve cell (3) are identical with the structure of the second change of current valve cell (4)；
First change of current valve cell (3), the second change of current valve cell (4) include upper bridge arm converter valve (5) and upper bridge arm converter valve
(5) with the lower bridge arm converter valve (6) mutually set；Each upper bridge arm converter valve (5) bridge in bridge arm (5.1) in A phases, B phases
Bridge arm (5.3) is arranged in order composition from top to bottom on arm (5.2) and C phases, each lower bridge arm converter valve (6) bridge under A phases
Bridge arm (6.3) is arranged in order composition from top to bottom under bridge arm (6.2), C phases under arm (6.1), B phases；
The upper bridge arm converter valve (5), the AC of lower bridge arm converter valve (6) are provided with inlet wire commutation transition bus (7), described
The DC side of upper bridge arm converter valve (5) is provided with the first bus rod (8), first bus rod (8) and divider wall (2) it
Between be provided with direct-flow positive pole bus equipment (10)；The DC side of the lower bridge arm converter valve (6) is provided with the second bus rod
(9), it is provided with direct current negative electrode bus equipment (11) between second bus rod (9) and divider wall (2)；
The AC of first change of current valve cell (3) and the second change of current valve cell (4) be symmetrically arranged with six be used for it is outer
The exchange wall bushing of boundary's three-phase alternating-current supply connection, the exchange wall bushing includes the first A being arranged in order from top to bottom
Cross streams wall bushing (12.1), the 2nd A cross streams wall bushing (12.2), the first B cross streams wall bushing (12.3), second
B cross streams wall bushing (12.4), the first C cross streams wall bushing (12.5), the 2nd C cross streams wall bushing (12.6)；
The AC of bridge arm (5.1) is electrically connected by the first A cross streams wall bushing (12.1) with A cross streams in the A phases, institute
The AC for stating bridge arm (5.2) in B phases is electrically connected by the first B cross streams wall bushing (12.3) with B cross streams, the C phases
The AC of upper bridge arm (5.3) is electrically connected by the first C cross streams wall bushing (12.5) with C cross streams, bridge arm under the A phases
(6.1) AC is electrically connected by the 2nd A cross streams wall bushing (12.2) with A cross streams, bridge arm (6.2) under the B phases
AC electrically connected by the 2nd B cross streams wall bushing (12.4) with B cross streams, the exchange of bridge arm (6.3) under the C phases
Side is electrically connected by the 2nd C cross streams wall bushing (12.6) with C cross streams；
Bridge arm (5.1) in the A phases, the DC side of bridge arm (5.3) passes through the first bus rod in bridge arm (5.2) and C phases in B phases
(8) it is connected after three-phase confluxes with direct-flow positive pole bus equipment (10), the direct-flow positive pole bus of first change of current valve cell (3) is set
By through the first straight of divider wall (2) between standby (10) and the direct-flow positive pole bus equipment (10) of the second change of current valve cell (4)
Flow through wall sleeve (13.1) connection；
The DC side of bridge arm (6.3) passes through the second bus rod under bridge arm (6.2) and C phases under bridge arm (6.1), B phases under the A phases
(9) it is connected after three-phase confluxes with direct current negative electrode bus equipment (11), the direct current negative electrode bus of first change of current valve cell (3) is set
By through the second straight of divider wall (2) between standby (11) and the direct current negative electrode bus equipment (11) of the second change of current valve cell (4)
Flow through wall sleeve (13.2) connection.
2. the flexible direct current back-to-back converter substation valve Room according to claim 1 arrangement, it is characterised in that：It is each described
Bridge arm (5.1) in the A phases of upper bridge arm converter valve (5), bridge arm (5.2) in B phases, it is parallel to each other between bridge arm (5.3) three in C phases
Arrangement, the direct-flow positive pole bus equipment (10) and bridge arm in bridge arm (5.1) in the A phases of upper bridge arm converter valve (5), B phases
(5.2), bridge arm (5.3) is mutually arranged vertically in C phases.
3. the flexible direct current back-to-back converter substation valve Room according to claim 2 arrangement, it is characterised in that：It is each described
Mutually put down between bridge arm (6.3) three under bridge arm (6.2), C phases under bridge arm (6.1), B phases under the A phases of lower bridge arm converter valve (6)
Row arrangement, the direct current negative electrode bus equipment (11) and bridge arm under bridge arm (6.1), B phases under the A phases of lower bridge arm converter valve (6)
(6.2), bridge arm (6.3) is mutually arranged vertically under C phases.
4. the flexible direct current back-to-back converter substation valve Room arrangement according to claim 1 or 2 or 3, it is characterised in that：Institute
State inlet wire commutation transition bus (7) supports transition conduit bus (7.1), the second ground to support transition conduit bus including the first ground
(7.2), the first suspension tubular busbar (7.3), the second suspension tubular busbar (7.4)；The AC of bridge arm (5.1) and in the A phases
One A cross streams wall bushing (12.1) is connected by high-order inlet wire, and the AC of bridge arm (5.2) passes through first in the B phases
Ground supports transition conduit bus (7.1) to be connected with the first B cross streams wall bushing (12.3), bridge arm (5.3) in the C phases
AC is connected by the first suspension tubular busbar (7.3) with the first C cross streams wall bushing (12.5)；
The AC of bridge arm (6.1) passes through the second suspension tubular busbar (7.4) and the 2nd A cross streams wall bushings under the A phases
(12.2) it is connected, the AC of bridge arm (6.2) supports transition conduit bus (7.2) and the 2nd B by the second ground under the B phases
Cross streams wall bushing (12.4) is connected, the AC of bridge arm (6.3) and the 2nd C cross streams wall bushings under the C phases
(12.6) it is connected by high-order inlet wire.
5. the flexible direct current back-to-back converter substation valve Room according to claim 4 arrangement, it is characterised in that：It is each described
Bridge arm (5.1) in A phases, bridge arm (5.2) in B phases, bridge arm (6.2), C under bridge arm (6.1), B phases under bridge arm (5.3), A phases in C phases
Bridge arm (6.3) is composed in series by several converter valve towers (14) under phase.
6. the flexible direct current back-to-back converter substation valve Room according to claim 5 arrangement, it is characterised in that：Described first
The current potential of bus rod (8) is identical with the current potential of upper bridge arm converter valve (5) DC side；The current potential of second bus rod (9)
It is identical with the current potential of lower bridge arm converter valve (6) DC side.
7. the flexible direct current back-to-back converter substation valve Room according to claim 6 arrangement, it is characterised in that：The direct current
The current potential of positive electrode bus equipment (10) is identical with the current potential of the first bus rod (8), the direct current negative electrode bus equipment (11)
Current potential is identical with the current potential of the second bus rod (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720192752.1U CN206533148U (en) | 2017-03-01 | 2017-03-01 | Flexible direct current back-to-back converter substation valve Room arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720192752.1U CN206533148U (en) | 2017-03-01 | 2017-03-01 | Flexible direct current back-to-back converter substation valve Room arrangement |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106877372A (en) * | 2017-03-01 | 2017-06-20 | 中国电力工程顾问集团中南电力设计院有限公司 | Flexible direct current back-to-back converter substation valve Room arrangement |
| CN109672208A (en) * | 2019-02-15 | 2019-04-23 | 国网冀北电力有限公司经济技术研究院 | Flexible direct current current converter and system |
| CN110939302A (en) * | 2018-09-25 | 2020-03-31 | 中国电力工程顾问集团西南电力设计院有限公司 | Flexible direct current valve hall structure |
-
2017
- 2017-03-01 CN CN201720192752.1U patent/CN206533148U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106877372A (en) * | 2017-03-01 | 2017-06-20 | 中国电力工程顾问集团中南电力设计院有限公司 | Flexible direct current back-to-back converter substation valve Room arrangement |
| CN106877372B (en) * | 2017-03-01 | 2023-08-18 | 中国电力工程顾问集团中南电力设计院有限公司 | Flexible direct-current back-to-back converter station valve hall arrangement structure |
| CN110939302A (en) * | 2018-09-25 | 2020-03-31 | 中国电力工程顾问集团西南电力设计院有限公司 | Flexible direct current valve hall structure |
| CN109672208A (en) * | 2019-02-15 | 2019-04-23 | 国网冀北电力有限公司经济技术研究院 | Flexible direct current current converter and system |
| CN109672208B (en) * | 2019-02-15 | 2024-03-26 | 国网冀北电力有限公司经济技术研究院 | Flexible direct current converter device and system |
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