CN111327069A - Alternating current energy consumption device in gentle straight engineering - Google Patents
Alternating current energy consumption device in gentle straight engineering Download PDFInfo
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- CN111327069A CN111327069A CN202010316818.XA CN202010316818A CN111327069A CN 111327069 A CN111327069 A CN 111327069A CN 202010316818 A CN202010316818 A CN 202010316818A CN 111327069 A CN111327069 A CN 111327069A
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- 238000005265 energy consumption Methods 0.000 title claims abstract description 81
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims description 37
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 239000012212 insulator Substances 0.000 description 2
- 230000002547 anomalous effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 230000000977 initiatory effect Effects 0.000 description 1
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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
- H02J3/36—Arrangements for transfer of electric power between ac networks via a high-tension dc link
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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 invention relates to an energy consumption device in a flexible and straight project, in particular to an alternating current energy consumption device in the flexible and straight project, which is structurally characterized in that three groups of energy consumption thyristor valves and energy consumption resistors are respectively arranged in parallel in a valve hall and an outdoor site according to a three-phase connection sequence, three groups of wall penetrating sleeves are arranged on the wall of the valve hall, each group of sleeves comprises a high-low arranged incoming sleeve and an outgoing sleeve, three groups of wiring pipe buses and a group of return pipe buses, and a complete angle type wiring scheme of any phase starting is realized by arranging the high-low arranged incoming sleeve, the wiring pipe buses and the return pipe buses. The invention has the advantages that: the angle type wiring scheme can be formed by taking any phase GIS sleeve as a starting point, so that the ordered regular layout is realized, the flexibility is good, the wiring is convenient, the operation and the maintenance are convenient, and the applicability is good.
Description
Technical Field
The invention relates to an energy consumption device in a flexible and straight project, in particular to an alternating current energy consumption device in the flexible and straight project.
Background
An alternating current energy consumption device is configured in a transmitting end converter station of a flexible direct project to act on the balance of an alternating current side power grid in an island mode, when faults such as locking of a transmitting end converter or function speed reduction required by a receiving end occur, the alternating current energy consumption device is firstly put into use to consume surplus power to ensure healthy and perfect normal work, and then a fan is cut off. The alternating current energy consumption device has 3 wiring modes, including angle type wiring, star type wiring and star type ungrounded wiring, wherein the angle type wiring can run for 2h when a single-phase fault occurs, the availability of equipment is high, the current of the valve bank is small, and the current stress on a power electronic device is small, so that the alternating current energy consumption device is a preferable wiring scheme in design. However, the implementation of angle-type wiring on the wiring is difficult for reasons including:
1) in the angle type wiring, each phase wiring end to end, the wiring between the equipment is comparatively loaded down with trivial details, and gentle straight engineering's converter valve hall inner space is limited, and the overall arrangement is compact, and each equipment of exchanging energy consumption device is difficult to realize effectively wiring in the safe distance scope, consequently need set for anomalous fixed arrangement mode and carry out the wiring, so, the initiating terminal of its three-phase also just also is fixed, can not change at will to lose the flexibility.
2) The alternating current energy consumption device comprises an energy consumption resistor and an energy consumption thyristor valve, and considering the applicability of the equipment, the energy consumption thyristor valve is required to be installed in a valve hall, and the energy consumption resistor is installed outdoors, so that the difficulty of wiring and equipment layout is further increased.
Disclosure of Invention
The invention aims to provide the alternating current energy consumption device in the flexible and straight engineering, which has the advantages of regular layout, flexible wiring and good applicability according to the defects of the prior art.
The invention aims to be realized by the following ways:
an alternating current energy consumption device in a flexible and straight project comprises three groups of energy consumption resistors and energy consumption thyristor valves corresponding to three phases, and is characterized in that the three groups of energy consumption thyristor valves are arranged in a converter valve hall in parallel according to a three-phase connection sequence, the three groups of energy consumption resistors are also arranged in an outdoor site in parallel according to the three-phase connection sequence, the energy consumption resistors and the energy consumption thyristor valves are separated from two sides of a valve hall wall and are distributed in a one-to-one correspondence mode according to the positions of the energy consumption thyristor valves, three groups of wall penetrating sleeves are arranged on the valve hall wall at positions corresponding to the three groups of energy consumption thyristor valves respectively, each group of sleeves comprises an incoming sleeve and an outgoing sleeve, the two sleeves are arranged in a high-to-low mode, and one sleeve is connected with a; the three groups of wiring pipe buses respectively correspond to the three groups of energy dissipation resistors and are arranged on the same side of the corresponding energy dissipation resistors in parallel, and the return pipe buses are arranged between the energy dissipation resistors and the wall of the valve hall and are parallel to the wall of the valve hall; the three-phase GIS output ends are respectively and correspondingly connected to the three-phase wiring pipe buses; taking a phase distributed on the left side as a phase I, and respectively marking as a phase II and a phase III to the right in sequence according to the three-phase connection sequence;
the GIS output end of the phase I is sequentially connected to a phase I connecting tube bus, a phase I energy consumption resistor, a phase I outgoing line sleeve, a phase I energy consumption thyristor valve incoming line end, a phase I energy consumption thyristor valve outgoing line end, a phase I incoming line sleeve, a phase II connecting tube bus, a phase II energy consumption resistor, a phase II outgoing line sleeve, a phase II energy consumption thyristor valve incoming line end, a phase II energy consumption thyristor valve outgoing line end, a phase II incoming line sleeve, a phase III connecting tube bus, a phase III energy consumption resistor, a phase III outgoing line sleeve, a phase III energy consumption thyristor valve incoming line end, a phase III energy consumption thyristor valve outgoing line end, a loop pipe bus and a phase I connecting tube bus to form an angle type connecting form.
The connection can be regarded as starting from phase I, i.e. from phase I back to phase I, so that if phase II is used as starting, the connection is:
the GIS output end of the phase II is sequentially connected to a phase II connecting tube bus, a phase II energy consumption resistor, a phase II outgoing line sleeve, a phase II energy consumption thyristor valve incoming line end, a phase II energy consumption thyristor valve outgoing line end, a phase II incoming line sleeve, a phase III connecting tube bus, a phase III energy consumption resistor, a phase III outgoing line sleeve, a phase III energy consumption thyristor valve incoming line end, a phase III energy consumption thyristor valve outgoing line end, a loop pipe bus, a phase I connecting tube bus, a phase I energy consumption resistor, a phase I outgoing line sleeve, a phase I energy consumption thyristor valve incoming line end, a phase I energy consumption thyristor valve outgoing line end, a phase I incoming line sleeve and a phase II connecting tube bus, namely returning to the phase II from the phase II. Likewise, the connection from phase III to phase III may be sequential.
Therefore, the three-phase equipment is orderly arranged and connected by arranging the wall bushing, the wiring pipe bus and the return pipe bus which are distributed in high and low, and the energy consumption resistors and the energy consumption thyristor valves of all phases can be orderly arranged in parallel and regularly, so that the equipment can be orderly arranged in the valve hall without influencing the arrangement of other equipment; and the starting end of the three phases can be flexibly changed as required, and a complete angle type wiring scheme can be realized no matter from any phase, the layout and wiring do not need to be changed, and the wiring is convenient, convenient to operate and maintain and good in applicability.
The invention may further be embodied as:
the wire inlet sleeve is positioned above the wire outlet sleeve to form a high-inlet low-outlet distribution framework, and the distance between the wire inlet sleeve and the wire outlet sleeve corresponds to the high wire inlet position and the low wire outlet position of the energy dissipation resistor.
At this time:
the three groups of wiring tube buses are high-level tube buses corresponding to the positions of the wire inlet sleeve, and the return tube buses are low-level tube buses and are positioned between the wire inlet sleeve and the wire outlet sleeve.
Or the following steps:
the wire inlet sleeve is positioned below the wire outlet sleeve to form a low-in high-out distribution framework, and the distance between the wire inlet sleeve and the wire outlet sleeve corresponds to the low-in wire position and the high-out wire position of the energy dissipation resistor.
At this time:
the three groups of wiring tube buses are low-position tube buses corresponding to the positions of the wire inlet sleeve, and the return tube buses are high-position tube buses and are positioned between the wire inlet sleeve and the wire outlet sleeve.
Considering the sag of the wiring lead and the safe distance between each wiring, the inlet bushing and the outlet bushing of each group are arranged in a high-low mode, the wiring pipe bus is distributed relative to the inlet bushing, and the energy dissipation resistor is generally nonpolarity, so that the inlet wire and the outlet wire can be arranged according to the arrangement so as to be correspondingly connected with the inlet bushing and the wiring pipe bus.
The three groups of energy-consuming thyristor valves in the valve hall are all provided with purse nets, and the three groups of energy-consuming resistors are also all provided with purse nets.
The purse seine is used for providing the operating range of the energy-consuming thyristor valve or the energy-consuming resistor, and warning and isolation are provided for personnel entering a site, so that the safety of equipment and personnel is ensured.
The current transformer is arranged in the wire inlet sleeve or the wire outlet sleeve. The optimal proposal is that the energy-consumption-free energy-saving thyristor valve is arranged in a wire inlet sleeve and positioned at the front end of the energy-consumption thyristor valve, thereby being beneficial to the running performance of equipment.
In conclusion, the alternating current energy consumption device in the flexible and straight engineering based on the up-and-down arrangement of the double-wall bushing is ingenious in layout design, energy consumption resistors and energy consumption thyristor valves of all phases can be sequentially arranged in parallel and regularly and are sequentially arranged, and the arrangement of other equipment is not influenced; by taking any phase of GIS sleeve as a starting point, an angle type wiring scheme can be formed, the flexibility is good, the wiring is convenient, the operation and maintenance are convenient, and the applicability is good.
Drawings
Fig. 1 is a schematic diagram of a wiring structure of an ac energy dissipation device in a flexible-direct engineering according to the present invention;
fig. 2 is a schematic plan view of an ac energy dissipation device in the roll-to-roll process according to the present invention;
fig. 3 is a schematic cross-sectional view of an ac energy dissipation device in a straightening and softening process according to the present invention;
FIG. 4 is a schematic view of the energy dissipating resistor according to the present invention;
fig. 5 is a schematic elevation view of the energy-consuming thyristor valve according to the present invention.
The present invention will be further described with reference to the following examples.
Detailed Description
The best embodiment is as follows:
referring to fig. 1-5, in this embodiment, two sets of ac energy dissipation devices are used in a flexible and straight engineering, each set of ac energy dissipation device includes three sets of energy dissipation resistors 12 and energy dissipation thyristor valves 11 corresponding to three phases, the three sets of energy dissipation thyristor valves 11 are arranged in parallel in a valve hall of a converter valve according to a three-phase connection sequence, the three sets of energy dissipation resistors 12 are also arranged in parallel in an outdoor place of the valve hall according to the three-phase connection sequence, and the energy dissipation resistors 12 and the energy dissipation thyristor valves 11 are separated from two sides of a wall of the valve hall and are distributed in one-to-one correspondence according to the phase in which they are located.
Three groups of wall-through sleeves are respectively arranged on the wall of the valve hall at positions corresponding to the three groups of energy-consuming thyristor valves 11, each group of sleeves comprises a wire inlet sleeve 14 and a wire outlet sleeve 13, the two sleeves are arranged in a high-low manner one above the other, and one sleeve is connected with a current transformer; in the present embodiment, a high-in low-out is taken as an example, that is, the inlet bushing 14 is located above the outlet bushing 13, and the current transformer CT is installed in the inlet bushing 14. Three groups of wiring pipe buses 16 and one group of return pipe buses 17 are arranged on the periphery of the energy dissipation resistor 12 through a post insulator 18, the three groups of wiring pipe buses 16 respectively correspond to the three groups of energy dissipation resistors 12, are parallel to the energy dissipation resistors, are arranged perpendicular to the wall of the valve hall, and are arranged on the same side of the corresponding energy dissipation resistors, and the return pipe buses 17 are arranged between the energy dissipation resistors 12 and the wall of the valve hall and are parallel to the wall of the valve hall; the output ends of the three-phase GIS sleeves 15 are respectively and correspondingly connected to three-phase wiring pipe buses 16; corresponding to the arrangement of the inlet and outlet wire sleeves with high inlet and low outlet, the three groups of wiring tube buses 16 are arranged at a high position, and the return wire tube buses 17 are arranged at a low position.
The two sets of alternating current energy consumption devices are arranged in parallel, wherein the two sets of energy consumption thyristor valves in the valve hall are isolated through a purse net, the two sets of energy consumption resistors outside the valve hall are isolated through a fence 20, and the height of the fence 20 is the same as that of the energy consumption resistors. In addition, the three groups of energy-consuming thyristor valves in the valve hall are provided with purse nets around, and the three groups of energy-consuming resistors are also provided with purse nets around.
Specifically, the method comprises the following steps: the energy consumption thyristor valve 11 is indoor support type floor equipment, and a control and protection room is arranged close to a valve hall; the energy dissipation resistor 12 is an energy dissipation element, and is put into operation for a short time, and the during operation will produce heat, from cooling, for outdoor support formula equipment that falls to the ground, sets up 2 high-low binding post, and wherein high-low binding post sets up in the GIS side, and low-level binding post sets up in the valve room side. Each of the wiring barrel and the return barrel is supported and connected by two post insulators 18.
The three-phase connection is carried out in the position shown in the attached figure 2 according to the sequence of C-B-A from left to right, and the following steps are carried out:
taking a C-phase GIS sleeve as a starting end:
15 (phase C) returns from phase C to phase C via phase C bus bar 16 → energy consumption resistance 12 (phase C) → wall bushing 13 (phase C, low-out) → energy consumption thyristor valve 11 (phase C) → wall bushing 14 (phase C, high-in) → bus bar 16 (phase B) → 15 (phase B)/energy consumption resistance 12 (phase B) → wall bushing 13 (phase B, low-out) → energy consumption thyristor valve 11 (phase B) → wall bushing 14 (phase B, high-in) → bus bar 16 (phase a) → 15 (phase a)/energy consumption resistance 12 (phase a) → wall bushing 13 (phase a, low-out) → energy consumption thyristor valve 11 (phase a) → wall bushing 14 (phase a, high-in) → bus bar 17 → bus bar 16 (phase C), and forms a type of phase C.
If the B-phase GIS sleeve is taken as the starting end, the arrangement process is as follows:
15 (phase B) is formed into angle wiring type → wiring busbar 16 (phase B) → energy consuming resistor 12 (phase B) → energy consuming thyristor valve 11 (phase B) → wall bushing 14 (phase B, high-voltage inlet) → wiring busbar 16 (phase a) → 15 (phase a)/energy consuming resistor 12 (phase a) → wall bushing 13 (phase a, low-voltage outlet) → energy consuming thyristor valve 11 (phase a) → wall bushing 14 (phase a, high-voltage inlet) → wiring busbar 17 → wiring busbar 16 (phase C) → 15 (phase C)/energy consuming resistor 12 (phase C) → wall bushing 13 (phase C, low-voltage outlet) → energy consuming thyristor valve 11 (phase C) → wall bushing 14 (phase C), high-voltage inlet) → wiring busbar 16 (phase B) → phase B).
If the A-phase GIS sleeve is taken as the starting end, the arrangement process is as follows:
15 (phase a, via phase a bus bar 16) → energy consuming resistance 12 (phase a) → energy consuming thyristor valve 11 (phase a) → wall bushing 14 (phase a, high-voltage inlet) → return bus bar 17 → bus bar 16 (phase C) → 15 (phase C)/energy consuming resistance 12 (phase C) → wall bushing 13 (phase C, low-voltage outlet) → energy consuming thyristor valve 11 (phase C) → wall bushing 14 (phase C, high-voltage inlet) → bus bar 16 (phase B) → 15 (phase B)/energy consuming resistance 12 (phase B) → wall bushing 13 (phase B, low-voltage outlet) → energy consuming thyristor valve 11 (phase B) → wall bushing 14 (phase B, high-voltage inlet) → bus bar 16 (phase a) → phase a), forming phase a.
The parts of the invention not described are the same as the prior art.
Claims (7)
1. An alternating current energy consumption device in a flexible and straight project comprises three groups of energy consumption resistors and energy consumption thyristor valves corresponding to three phases, and is characterized in that the three groups of energy consumption thyristor valves are arranged in a converter valve hall in parallel according to a three-phase connection sequence, the three groups of energy consumption resistors are also arranged in an outdoor site in parallel according to the three-phase connection sequence, the energy consumption resistors and the energy consumption thyristor valves are separated from two sides of a valve hall wall and are distributed in a one-to-one correspondence mode according to the positions of the energy consumption thyristor valves, three groups of wall penetrating sleeves are arranged on the valve hall wall at positions corresponding to the three groups of energy consumption thyristor valves respectively, each group of sleeves comprises an incoming sleeve and an outgoing sleeve, the two sleeves are arranged in a high-to-low mode, and one sleeve is connected with a; the three groups of wiring pipe buses respectively correspond to the three groups of energy dissipation resistors and are arranged on the same side of the corresponding energy dissipation resistors in parallel, and the return pipe buses are arranged between the energy dissipation resistors and the wall of the valve hall and are parallel to the wall of the valve hall; the three-phase GIS output ends are respectively and correspondingly connected to the three-phase wiring pipe buses; taking a phase distributed on the left side as a phase I, and respectively marking as a phase II and a phase III to the right in sequence according to the three-phase connection sequence;
the GIS output end of the phase I is sequentially connected to a phase I connecting tube bus, a phase I energy consumption resistor, a phase I outgoing line sleeve, a phase I energy consumption thyristor valve incoming line end, a phase I energy consumption thyristor valve outgoing line end, a phase I incoming line sleeve, a phase II connecting tube bus, a phase II energy consumption resistor, a phase II outgoing line sleeve, a phase II energy consumption thyristor valve incoming line end, a phase II energy consumption thyristor valve outgoing line end, a phase II incoming line sleeve, a phase III connecting tube bus, a phase III energy consumption resistor, a phase III outgoing line sleeve, a phase III energy consumption thyristor valve incoming line end, a phase III energy consumption thyristor valve outgoing line end, a loop pipe bus and a phase I connecting tube bus to form an angle type connecting form.
2. The ac energy dissipation device for soft and straight engineering as claimed in claim 1, wherein the incoming casing is located above the outgoing casing, forming a distribution structure with high inlet and low outlet, and the distance between the two is corresponding to the distance between the high incoming position and the low outgoing position of the energy dissipation resistor.
3. The ac energy dissipation device for soft and straight engineering as claimed in claim 2, wherein the three sets of wiring bus bars are high bus bars corresponding to the position of the incoming bushing, and the return bus bar is a low bus bar located between the incoming bushing and the outgoing bushing.
4. The ac energy dissipation device for soft and straight engineering as claimed in claim 1, wherein the incoming casing is located below the outgoing casing, forming a distribution structure with a low inlet and a high outlet, and the distance between the two is corresponding to the distance between the low inlet position and the high outlet position of the energy dissipation resistor.
5. The ac energy dissipation device for soft and straight engineering as claimed in claim 4, wherein the three sets of wiring bus bars are low-level bus bars corresponding to the position of the incoming bushing, and the return bus bar is a high-level bus bar located between the incoming bushing and the outgoing bushing.
6. The ac energy dissipation device for gentle and straight engineering as claimed in claim 1, wherein three sets of energy dissipation thyristor valves in the valve hall are surrounded by a fence, and three sets of energy dissipation resistors are also surrounded by a fence.
7. An ac energy dissipation device in a gentle straight project according to claim 1, wherein said current transformer is installed in either an incoming bushing or an outgoing bushing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010316818.XA CN111327069B (en) | 2020-04-21 | 2020-04-21 | Alternating current energy consumption device in flexible-direct engineering |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010316818.XA CN111327069B (en) | 2020-04-21 | 2020-04-21 | Alternating current energy consumption device in flexible-direct engineering |
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| CN111327069A true CN111327069A (en) | 2020-06-23 |
| CN111327069B CN111327069B (en) | 2024-04-02 |
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| Publication number | Publication date |
|---|---|
| CN111327069B (en) | 2024-04-02 |
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