CN200972819Y - Extra-high voltage self auto-transformer - Google Patents
Extra-high voltage self auto-transformer Download PDFInfo
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- CN200972819Y CN200972819Y CN 200620136205 CN200620136205U CN200972819Y CN 200972819 Y CN200972819 Y CN 200972819Y CN 200620136205 CN200620136205 CN 200620136205 CN 200620136205 U CN200620136205 U CN 200620136205U CN 200972819 Y CN200972819 Y CN 200972819Y
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Abstract
The utility model discloses an ultra-high-voltage autotransformer. The autotransformer comprises a main transformer and a voltage regulating transformer that are separated and electrically connected. The main transformer adopts a single-phase five-column iron core structure, and three main columns are wound and serially connected. The leading-out wires in the center of three high-voltage windings form a front high-voltage winding end (A), and the upper and lower ends of the three high-voltage windings are both connected with a front medium-voltage winding end (Am). Three medium-voltage windings are connected in series, and leading-out wires from the front ends of the three medium-voltage windings form a first medium-voltage winding end (Am), and the rear ends of the three medium-voltage windings are connected with the rear voltage adjustment winding end of the voltage adjustment transformer. Three low-voltage windings are connected in series, and their front ends are connected with the rear end of the compensation winding of the voltage adjustment transformer. The leading-out wires from the rear ends of the low-voltage windings form a rear low-voltage winding end (X). The utility model solves the technical problem that the prior art can not satisfy the requirement of ultra-high-voltage power transmission for the insulation strength, safety, reliability, and transportation dimension. The utility model has a good no-load performance, and the magnetic flux density in the main transformer and the voltage at the low-voltage side fulfill the requirements under relevant standards and thus conduce to long-distance transportation.
Description
Technical field
The utility model relates to a kind of transformer, is specifically related to a kind of extra-high voltage auto-transformer.
Background technology
The develop rapidly of science and technology makes need for electricity growing, and the existing power conveying equipment can not satisfy the requirement of remote big capacity power delivery, and the development UHV transmission line becomes inexorable trend.At present, only Italy, Russia and Japan have 1,000,000 volts of power transmission and transformation technology.But gondola 1,000,000 volts of power transmission and transformation technology are not implemented as yet, and 1,000,000 volts of power transmission and transformation technology of Japan are only under test, and Muscovite 1,000,000 volts of power transmission and transformation lines are in the brownout operation state.
Because single-phase extra-high voltage auto-transformer capacity is big, impedance is big, if adopt the single-phase four-column type structure of conventional high-power transformer, every column capacity is big, and leakage flux density is big, and the loss of lead and structural member is big, is unfavorable for preventing local overheating.And the increase of winding temperature rise of hot spot can influence the safe and reliable operation of transformer again.The single-phase four-column type structure of conventional high-power transformer has two: the structure of first high pressure two post parallel connections.The core-diameter of this kind structure is big, the height height of last lower yoke, and under identical shipping height condition, the winding height is little, and is big along the electric field strength of axis of winding, and longitudinal insulation intensity is lower, and the lightning impulse resistant ability is relatively poor.It two is structures of high pressure two posts series connection.This structure can effectively prolong the axial length of winding, helps the wavelength-division cloth under the shock wave.But the high pressure of autotransformer is 1000kV, the middle pressure is 500kV, if two posts series connection, then the two ends insulation level of high pressure incoming wave end winding will be above the insulation level of 750kV level, the insulation system complexity, and safety, reliability are low, and the insulation distance of last lower yoke is big, need to reduce the winding height and could satisfy transportation clearance, can increase the leakage flux density of winding like this, pay special attention to prevent local overheating.
The utility model content
The purpose of this utility model is to provide a kind of extra-high voltage auto-transformer, and it has solved background technology can not satisfy the problem that 1,000,000 volts of power transmission and transformation technology require dielectric strength, security reliability and transportation clearance.
Technical solution of the present utility model is:
A kind of extra-high voltage auto-transformer comprises main transformer and voltage regulating transformer, and its special character is that described main transformer and voltage regulating transformer are independent respectively two choristas that are provided with, and described main transformer is electrically connected with voltage regulating transformer; Described main transformer comprises: upper and lower iron yoke 501,502 is arranged at the other post 401 of I, the other post 402 of II of I principal post 100, II principal post 200, III principal post 300 and both sides in the upper and lower iron yoke 501,502; Be set in successively and press winding 102 and I high pressure winding 103 among I low pressure winding 101 on the I principal post 100, the I, be set in successively and press winding 202 and II high pressure winding 203 among II low pressure winding 201 on the II principal post 200, the II, be set in successively among III low pressure winding 301 on the III principal post 300, the III and press winding 302 and III high pressure winding 303; The middle part lead-out wire of described I high pressure winding 103, II high pressure winding 203 and III high pressure winding 303 constitutes high pressure winding head end A, presses winding head end Am during upper end, the lower end of described I high pressure winding 103, II high pressure winding 203 and III high pressure winding 303 all is connected to; Press among the described I to press among winding 102, the II and press winding 302 three's parallel connections among winding 202 and the III, press winding head end Am during this three's head end lead-out wire constitutes, this three's end is connected to the pressure regulation winding head end of voltage regulating transformer; Described I low pressure winding 101, II low pressure winding 201 and the 301 three's parallel connections of III low pressure winding, this three's head end is connected to compensation winding 602 ends of voltage regulating transformer, and this three's terminal lead-out wire constitutes the terminal x of low pressure winding.
Above-mentioned voltage regulating transformer is to adopt following scenario-frame succinct, easy to operate, it comprises: upper and lower iron yoke 503,504, be arranged at the IV principal post 600 in the upper and lower iron yoke 503,504 and the other post 403 of III, the other post 404 of IV of both sides, the I excitation winding 601, the I that are set on the IV principal post 600 compensate winding 602; This voltage regulating transformer also comprises: upper and lower iron yoke 505,506, be arranged at the V principal post 700 in the upper and lower iron yoke 505,506 and the other post 405 of V, the other post 406 of VI of both sides, and be set in II excitation winding 701, I pressure regulation winding 702 on the V principal post 700; The head end of described I pressure regulation winding 702 constitutes transformer neutral point X by the lead-out wire of the selector moving contact of non-excitation pressure adjustment K switch 1, and this transformer neutral point X is connected with the neutral point line terminal; Pressing among the head end of the diverter switch of described I pressure regulation winding 702 ends by non-excitation pressure adjustment K switch 1 and I excitation winding 601, the I of main transformer among the end of pressing winding 202 in the end, II of winding 102 and the III presses the end of winding 302 to be connected; The lead-out wire of described I compensation winding 602 head ends constitutes low pressure head end a; Described I compensation winding 602 ends are connected with head end, the head end of II low pressure winding 201 and the head end of III low pressure winding 301 of the I low pressure winding 101 of main transformer; After pressing the end of pressing winding 302 among the end of pressing winding 202 in the end, II of winding 102 and the III to be connected among the head end of described I excitation winding 601 and the I of main transformer, the diverter switch by non-excitation pressure adjustment K switch 1 is connected with the end of I pressure regulation winding 702 again; The end of described I excitation winding 601 is connected with transformer neutral point X; The head end of described II excitation winding 701 is connected with the head end of I compensation winding 602; Lead-out wire after the end of the end of the end of described II excitation winding 701 and main transformer I low pressure winding 101, the end of II low pressure winding 201 and III low pressure winding 301 is connected constitutes the terminal x of low pressure winding, and the end of excitation winding 701 is connected to the terminal x of low pressure winding.
Above-mentioned voltage regulating transformer is to adopt following scheme material consumption few, compact conformation, take up an area of few, good economy performance, it comprises: upper and lower iron yoke 507,508, be arranged at the VI principal post 800 in the upper and lower iron yoke 507,508 and the other post 407 of V, the other post 408 of VI of both sides, be set in II pressure regulation winding 801, III excitation winding 802 and II compensation winding 803 on the VI principal post 8800; Press among the I of the diverter switch of the head end of described II pressure regulation winding 801 by non-excitation pressure adjustment K switch 2 and main transformer among the end of pressing winding 202 in the end, II of winding 102 and the III and press the end of winding 302 to be connected, the lead-out wires of described 801 terminal selector moving contacts by non-excitation pressure adjustment K switch 2 constitute transformer neutral point X; The head end of described II compensation winding 803 constitutes low pressure head end a by the lead-out wire of the selector moving contact of non-excitation pressure adjustment K switch 3, and the end of described II compensation winding 803 is connected with the head end of the I low pressure winding 101 of main transformer, the head end of II low pressure winding 201 and the head end of III low pressure winding 301 by the diverter switch of non-excitation pressure adjustment K switch 3; The head end of described III excitation winding 802 is connected to low pressure head end a, and the end of described III excitation winding 802 is connected with the end of I low pressure winding 101, II low pressure winding 201 and the III low pressure winding 301 of main transformer.
Pressing among above-mentioned I post high pressure winding 103, II high pressure winding 203, III high pressure winding 303 and the I and pressing winding 302 among pressure winding 202, the III among winding 102, the II is good all to adopt many flower arrangements to be entangled with the formula structure, and described I low pressure winding 101, II low pressure winding 201 and III low pressure winding 301 are advisable all to adopt the continous way winding construction.
Above-mentioned main transformer can be connected by overhead wire with voltage regulating transformer, and its installation and homophony are separated, and is convenient, succinct.Main transformer also can be connected by oil-tubing and casing with voltage regulating transformer, its compact conformation, and external disturbance is few, and fail safe is good.
Above-mentioned main transformer and the voltage regulating transformer that connects by oil-tubing and casing is good on the same foundation framework to be arranged at, and its good integrity can guarantee that the relative altitude of main transformer and voltage regulating transformer meets design requirement, and assembled in situ is convenient, accurate.
The lead-in wire of above-mentioned I high pressure winding 103, II high pressure winding 203 and III high pressure winding 303 is good with the lead-in wire that all adopts the balance pipe shielding construction.
The progression of above-mentioned compensation winding 602 or compensation winding 803 is corresponding with pressure regulation progression.
The utlity model has following advantage:
1. satisfy the high requirement of insulation level.Particularly the high-pressure side insulation level can reach all-wave 2250kV, cuts ripple 2400kV, power frequency 1100kV (5min).
2. the product no-load performance is good.Three structures that the principal post winding is in parallel can be ellipse or approximate ellipsoidal in the shaped design that satisfies under transportation condition and the high pressure winding height condition the iron yoke, and the magnetic flux density in the main transformer is constant, thereby can improve the no-load performance of product.
3. when middle pressure pressure regulation, low-pressure side voltage conforms standard-required.Because capacity of the present utility model is big, the insulation level height of middle pressure 500kV.In order effectively to reduce the voltage and current of switch and pressure regulation part, neutral point variable flux voltage regulation mode is adopted in pressure regulation, but this voltage regulating mode can cause the low-pressure side voltage fluctuation.When medium voltage side was minimum tap, interior magnetic flux density unshakable in one's determination increased, and no-load performance can descend.Adopt the compensation winding, magnetic flux density and the low-pressure side voltage that can effectively control in the main transformer are constant substantially, meet the standard-required of voltage ratio check 0.5%.Simultaneously, also can improve impedance fluctuations.
Main transformer and voltage regulating transformer be connected with dual mode: be connected by overhead wire, convenient, succinct.By oil---tubing and casing connects, compact conformation, external disturbance is few, and fail safe is good.
5. the capacity of every post reduces, and the width of transformer is reduced, and helps remote transportation.
6. voltage regulating transformer is arranged on separately in the voltage regulating transformer, can reduces the weight of transportation, make the transportation safety, reliable of transformer.Main transformer and voltage regulating transformer are installed on the public basic framework, guarantee that the relative altitude of main transformer and modulation meets design requirement.Make assembled in situ convenient, accurate.
Description of drawings
Fig. 1 is the structural representation of the utility model main transformer;
Fig. 2,3 is the structural representation of the utility model voltage regulating transformer embodiment one;
Fig. 4 is the schematic circuit of the utility model embodiment one;
Fig. 5 is the structural representation of the utility model voltage regulating transformer embodiment two;
Fig. 6 is the schematic circuit of the utility model embodiment two.
The drawing reference numeral explanation: the 100-I principal post, 101-I low pressure winding is pressed winding among the 102-I, 103-I high pressure winding, 200-II principal post, 201-II low pressure winding, press winding among the 202-II, 203-II high pressure winding, 300-III principal post, 301-III low pressure winding is pressed winding among the 302-III, 303-III high pressure winding, the other post of 401-I, the other post of 402-II, 501-upper yoke, 502-lower yoke; The 600-IV principal post, the 601-I excitation winding, 602-I compensates winding, the other post of 403-III, the other post of 404-IV, 503-upper yoke, 504-lower yoke; The 700-V principal post, 701-II excitation winding, 702-I pressure regulation winding, the other post of 405-V, the other post of 406-VI, 505-upper yoke, 506-lower yoke; The 800-VI principal post, 801-II pressure regulation winding, the 802-III excitation winding, 803-II compensates winding, the other post of 407-VII, the other post of 408-VIII, 507-upper yoke, 508-lower yoke; A-high pressure winding head end is pressed winding head end, a-low pressure head end, X-neutral point, x-low pressure end among the Am-.
Embodiment
The utility model is made of transformer body and voltage regulating transformer, and two parts separate setting, and main transformer adopts single-phase five limbs type core structure, and three principal post windings are in parallel.
The utility model separates setting with main transformer with voltage regulating transformer, constitutes two separate choristas.Main transformer is connected with voltage regulating transformer, and transformer carries out pressure regulation at neutral point.Main transformer has two with the connected mode of voltage regulating transformer: one is connected by overhead wire, and characteristics are convenient, succinct.It two can pass through oil-tubing and casing and connect.Characteristics are compact conformations, and external disturbance is few, and fail safe is good.The main transformer and the voltage regulating transformer that connect by oil-tubing and casing are good on the same foundation framework to be arranged at, and its good integrity can guarantee that the relative altitude of main transformer and voltage regulating transformer meets design requirement, and assembled in situ is convenient, accurate.
Referring to Fig. 1, main transformer of the present utility model comprises upper and lower iron yoke 501,502, is arranged at the other post 401 of I, the other post 402 of II of I principal post 100, II principal post 200, III principal post 300 and both sides in the upper and lower iron yoke 501,502; Be set in successively and press winding 102 and I high pressure winding 103 among I low pressure winding 101 on the I principal post 100, the I, be set in successively and press winding 202 and II high pressure winding 203 among II low pressure winding 201 on the II principal post 200, the II, be set in successively among III low pressure winding 301 on the III principal post 300, the III and press winding 302 and III high pressure winding 303.
Referring to Fig. 4, the middle part lead-out wire of I high pressure winding 103, II high pressure winding 203 and III high pressure winding 303 constitutes high pressure winding head end A, is connected to the high-tension line terminal.During all being connected to, upper end, the lower end of I high pressure winding 103, II high pressure winding 203 and III high pressure winding 303 press winding head end Am.Press among the I to press among winding 102, the II and press winding 302 three's parallel connections among winding 202 and the III, press winding head end Am during this three's head end lead-out wire constitutes, be connected to the medium-voltage line terminal; This three's end is connected to the pressure regulation winding head end of voltage regulating transformer.I low pressure winding 101, II low pressure winding 201 and the 301 three's parallel connections of III low pressure winding, this three's head end is connected to the compensation winding end of voltage regulating transformer, and this three's terminal lead-out wire constitutes the terminal x of low pressure winding.Voltage regulating transformer can adopt the structure of two transformers, and this scenario-frame is succinct, easy to operate.Referring to Fig. 2, a transformer of voltage regulating transformer comprises: upper and lower iron yoke 503,504, be arranged at the IV principal post 600 in the upper and lower iron yoke 503,504 and the other post 403 of III, the other post 404 of IV of both sides, the I excitation winding 601, the I that are set on the IV principal post 600 compensate winding 602.Referring to Fig. 3, another transformer of voltage regulating transformer comprises: upper and lower iron yoke 505,506, be arranged at the V principal post 700 in the upper and lower iron yoke 505,506 and the other post 405 of V, the other post 406 of VI of both sides, be set in II excitation winding 701, I pressure regulation winding 702 on the V principal post 700.Referring to Fig. 4, I pressure regulation winding 702 head ends constitute transformer neutral point X by the lead-out wire of the selector moving contact of non-excitation pressure adjustment K switch 1, and transformer neutral point X is connected with the neutral point line terminal.Pressing among the head end of the diverter switch of the end of I pressure regulation winding 702 by non-excitation pressure adjustment K switch 1 and I excitation winding 601, the I of main transformer among the end of pressing winding 202 in the end, II of winding 102 and the III presses the end of winding 302 to be connected.The lead-out wire of I compensation winding 602 head ends constitutes low pressure head end a, and I compensation winding 602 ends are connected with head end, the head end of II low pressure winding 201 and the head end of III low pressure winding 301 of the I low pressure winding 101 of main transformer.Press among the head end of I excitation winding 601 and the I of main transformer among the end of pressing winding 202 in the end, II of winding 102 and the III and press the end of winding 302 to be connected, and be connected with the end of I pressure regulation winding 702 by the diverter switch of non-excitation pressure adjustment K switch 1.The end of I excitation winding 601 is connected with transformer neutral point X.The head end of II excitation winding 701 is connected with the head end of I compensation winding 602, the end of II excitation winding 701 is connected with the end of the I low pressure winding 101 of main transformer, the end of II low pressure winding 201 and the end of III low pressure winding 301, constitute low pressure winding end x, excitation winding 701 ends are connected to the terminal x of low pressure winding.
Low pressure head end a is connected to the low-voltage circuit terminal.
Referring to Fig. 5, voltage regulating transformer is to adopt following scheme material consumption few, and compact conformation takes up an area of and lacks good economy performance.It comprises: upper and lower iron yoke 507,508, be arranged at the VI principal post 800 in the upper and lower iron yoke 507,508 and the other post 407 of VII, the other post 408 of VIII of both sides, the II pressure regulation winding 801, III excitation winding 802, the II that are set on the VI principal post 800 compensate winding 803.Referring to Fig. 6, II pressure regulation winding 801 head ends are connected with the diverter switch of non-excitation pressure adjustment K switch 2, and the selector moving contact lead-out wire of non-excitation pressure adjustment K switch 2 constitutes transformer neutral point X, is connected with the neutral point line terminal.Pressing among the I of the diverter switch of the head end of II pressure regulation winding 801 by non-excitation pressure adjustment K switch 2 and main transformer among the end of pressing winding 202 in the end, II of winding 102 and the III presses the end of winding 302 to be connected.The head end of II compensation winding 803 is connected with the diverter switch of non-excitation pressure adjustment K switch 3, the selector moving contact lead-out wire of non-excitation pressure adjustment K switch 3 constitutes low pressure head end a, and the end of II compensation winding 803 is connected with the head end of the I low pressure winding 101 of main transformer, the head end of II low pressure winding 201 and the head end of III low pressure winding 301 by the diverter switch of non-excitation pressure adjustment K switch 3.The head end of III excitation winding 802 is connected to the low-voltage circuit terminal by low pressure head end a.The end of III excitation winding 802 is connected with the end of the I low pressure winding 101 of main transformer, the end of II low pressure winding 201 and the end of III low pressure winding 301.
Pressing among I post high pressure winding 103 of the present utility model, II high pressure winding 203, III high pressure winding 303 and the I and pressing winding 302 among pressure winding 202, the III among winding 102, the II is good to adopt many flower arrangements to be entangled with the formula structure, and I low pressure winding 101, II low pressure winding 201 and III low pressure winding 301 are advisable to adopt the continous way winding construction.The lead-in wire of I high pressure winding 103, II high pressure winding 203 and III high pressure winding 303 is good with the lead-in wire that adopts the balance pipe shielding construction, and high-voltage terminal adopts insulation molding part's Outgoing Line Unit.The progression that compensates winding 602 or 803 is corresponding with pressure regulation progression.As: ± 4 grades.
Claims (8)
1. an extra-high voltage auto-transformer comprises main transformer and voltage regulating transformer, it is characterized in that, described main transformer and voltage regulating transformer are independent respectively two choristas that are provided with, and described main transformer is electrically connected with voltage regulating transformer; Described main transformer comprises:
Upper and lower iron yoke (501,502) is arranged at the other post (401) of I, the other post (402) of II of I principal post (100), II principal post (200), III principal post (300) and both sides in the upper and lower iron yoke (501,502);
Be set in successively among I low pressure winding (101) on the I principal post (100), the I and press winding (102) and I high pressure winding (103);
Be set in successively among II low pressure winding (201) on the II principal post (200), the II and press winding (202) and II high pressure winding (203);
Be set in successively among III low pressure winding (301) on the III principal post (300), the III and press winding (302) and III high pressure winding (303);
Described I high pressure winding (103), II high pressure winding (203) and III high pressure winding (303) three's parallel connection, this three's middle part lead-out wire constitutes high pressure winding head end A, presses winding head end Am during upper end, the lower end of described I high pressure winding (103), II high pressure winding (203) and III high pressure winding (303) all is connected to;
Press among the described I to press among winding (102), the II and press winding (302) three's parallel connection among winding (202) and the III, press winding head end Am during this three's head end lead-out wire constitutes, this three's end is connected to the pressure regulation winding head end of voltage regulating transformer;
Described I low pressure winding (101), II low pressure winding (201) and III low pressure winding (301) three's parallel connection, this three's head end are connected to compensation winding (602) end of voltage regulating transformer, and this three's terminal lead-out wire constitutes the terminal x of low pressure winding.
2. extra-high voltage auto-transformer according to claim 1, it is characterized in that, described voltage regulating transformer comprises: upper and lower iron yoke (503,504), be arranged at the other post (403) of III, the other post (404) of IV of interior IV principal post (600) of upper and lower iron yoke (503,504) and both sides, the I excitation winding (601), the I that are set on the IV principal post (600) compensate winding (602);
Described voltage regulating transformer also comprises: upper and lower iron yoke (505,506), be arranged at the other post (405) of V, the other post (406) of VI of interior V principal post (700) of upper and lower iron yoke (505,506) and both sides, be set in II excitation winding (701), I pressure regulation winding (702) on the V principal post (700);
The head end of described I pressure regulation winding (702) constitutes transformer neutral point X by the lead-out wire of the selector moving contact of non-excitation pressure adjustment K switch 1, and this transformer neutral point X is connected with the neutral point line terminal; Pressing among the head end of the diverter switch of the end of described I pressure regulation winding (702) by non-excitation pressure adjustment K switch 1 and I excitation winding (601), the I of main transformer among the end of pressing winding (202) in the end, II of winding (102) and the III presses the end of winding (302) to be connected;
The lead-out wire of described I compensation winding (602) head end constitutes low pressure head end a; Described I compensation winding (602) end is connected with head end, the head end of II low pressure winding (201) and the head end of III low pressure winding (301) of the I low pressure winding (101) of main transformer;
After pressing the end of pressing winding (302) among the end of pressing winding (202) in the end, II of winding (102) and the III to be connected among the head end of described I excitation winding (601) and the I of main transformer, the diverter switch by non-excitation pressure adjustment K switch 1 is connected with the end of I pressure regulation winding (702) again; The end of described I excitation winding (601) is connected with transformer neutral point X;
The head end of described II excitation winding (701) is connected with the head end of I compensation winding (602), lead-out wire after the end of the end of the end of described II excitation winding (701) and the I low pressure winding (101) of main transformer, the end of II low pressure winding (201) and III low pressure winding (301) is connected constitutes the terminal x of low pressure winding, and the end of excitation winding (701) is connected to the terminal x of low pressure winding.
3. extra-high voltage auto-transformer according to claim 1 is characterized in that, described voltage regulating transformer comprises:
Upper and lower iron yoke (507,508), be arranged at VI principal post in the upper and lower iron yoke (507,508) (800 and the other post (407) of V, the other post (408) of VI of both sides, be set in II pressure regulation winding (801), III excitation winding (802) and II compensation winding (803) on the VI principal post (800);
Press among the I of the diverter switch of the head end of described II pressure regulation winding (801) by non-excitation pressure adjustment K switch 2 and main transformer among the end of pressing winding (202) in the end, II of winding (102) and the III and press the end of winding (302) to be connected, the end of described II pressure regulation winding (801) constitutes transformer neutral point X by the lead-out wire of the selector moving contact of non-excitation pressure adjustment K switch 2.
The head end of described II compensation winding (803) constitutes low pressure head end a by the lead-out wire of the selector moving contact of described non-excitation pressure adjustment K switch 3, and the end of described II compensation winding (803) is connected with the head end of the I low pressure winding (101) of main transformer, the head end of II low pressure winding (201) and the head end of III low pressure winding (301) by the diverter switch of non-excitation pressure adjustment K switch 3;
The head end of described III excitation winding (802) is connected to low pressure head end a, and the end of described III excitation winding (802) is connected with the end of the I low pressure winding (101) of main transformer, the end of II low pressure winding (201) and the end of III low pressure winding (301).
4. according to claim 1 or 2 or 3 described extra-high voltage auto-transformers, it is characterized in that: press among described I post high pressure winding (103), II high pressure winding (203), III high pressure winding (303) and the I to press among winding (102), the II and press winding (302) all to adopt many flower arrangements to be entangled with the formula structure among winding (202), the III, described I low pressure winding (101), II low pressure winding (201) and III low pressure winding (301) all adopt the continous way winding construction.
5. extra-high voltage auto-transformer according to claim 4 is characterized in that: described main transformer is connected by overhead wire with voltage regulating transformer, or connects by oil-tubing and casing.
6. extra-high voltage auto-transformer according to claim 5 is characterized in that: described main transformer and the voltage regulating transformer that connects by oil-tubing and casing is arranged on the same foundation framework.
7. extra-high voltage auto-transformer according to claim 5 is characterized in that: the lead-in wire of described I high pressure winding (103), II high pressure winding (203) and III high pressure winding (303) all adopts the lead-in wire of balance pipe shielding construction.
8. extra-high voltage auto-transformer according to claim 7 is characterized in that: the progression of described compensation winding (602) or compensation winding (803) is corresponding with pressure regulation progression.
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| CN 200620136205 CN200972819Y (en) | 2006-11-23 | 2006-11-23 | Extra-high voltage self auto-transformer |
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| CN 200620136205 CN200972819Y (en) | 2006-11-23 | 2006-11-23 | Extra-high voltage self auto-transformer |
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| CN102082022B (en) * | 2009-11-30 | 2012-07-25 | 苏州华电电气股份有限公司 | Multi-frequency multi-ratio transformer |
| CN102682977A (en) * | 2012-04-19 | 2012-09-19 | 中国电力科学研究院 | Transformer for reducing extra-high voltage 1000 kilovolts to 220 kilovolts |
| CN103050261A (en) * | 2012-12-24 | 2013-04-17 | 保定天威保变电气股份有限公司 | High voltage regulating autotransformer |
| CN103050257A (en) * | 2012-12-24 | 2013-04-17 | 保定天威保变电气股份有限公司 | Low-voltage regulating transformer |
| CN103632821A (en) * | 2012-09-04 | 2014-03-12 | 广州西门子变压器有限公司 | Autotransformer with voltage compensating device |
| CN103794344A (en) * | 2014-03-04 | 2014-05-14 | 国家电网公司 | Extra-high voltage autotransformer |
| CN104376982A (en) * | 2014-12-15 | 2015-02-25 | 湖南华大紫光科技股份有限公司 | Single-phase five-post low-noise converter transformer and implementation method thereof |
| CN106816294A (en) * | 2015-11-30 | 2017-06-09 | 特变电工沈阳变压器集团有限公司 | A kind of pair of high pressure shares a Multifunction transformer for voltage regulation coil |
| CN110085405A (en) * | 2019-05-21 | 2019-08-02 | 保定天威保变电气股份有限公司 | A kind of transformer built-in voltage compensator and voltage compensating method |
| CN112259327A (en) * | 2020-10-30 | 2021-01-22 | 常州东芝变压器有限公司 | 1000kV high-voltage winding split double-coil oil-immersed power transformer |
| WO2023044964A1 (en) * | 2021-09-26 | 2023-03-30 | 吴江变压器有限公司 | Single-column sleeved single-phase autotransformer |
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2006
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| CN102682977A (en) * | 2012-04-19 | 2012-09-19 | 中国电力科学研究院 | Transformer for reducing extra-high voltage 1000 kilovolts to 220 kilovolts |
| CN102682977B (en) * | 2012-04-19 | 2015-12-09 | 中国电力科学研究院 | A kind of ultra high voltage 1000kV step-down 220kV transformer |
| CN103632821A (en) * | 2012-09-04 | 2014-03-12 | 广州西门子变压器有限公司 | Autotransformer with voltage compensating device |
| CN103050261A (en) * | 2012-12-24 | 2013-04-17 | 保定天威保变电气股份有限公司 | High voltage regulating autotransformer |
| CN103050257A (en) * | 2012-12-24 | 2013-04-17 | 保定天威保变电气股份有限公司 | Low-voltage regulating transformer |
| CN103794344B (en) * | 2014-03-04 | 2016-08-17 | 国家电网公司 | A kind of extra-high voltage auto-transformer |
| CN103794344A (en) * | 2014-03-04 | 2014-05-14 | 国家电网公司 | Extra-high voltage autotransformer |
| CN104376982A (en) * | 2014-12-15 | 2015-02-25 | 湖南华大紫光科技股份有限公司 | Single-phase five-post low-noise converter transformer and implementation method thereof |
| CN106816294A (en) * | 2015-11-30 | 2017-06-09 | 特变电工沈阳变压器集团有限公司 | A kind of pair of high pressure shares a Multifunction transformer for voltage regulation coil |
| CN106816294B (en) * | 2015-11-30 | 2019-03-01 | 特变电工沈阳变压器集团有限公司 | A kind of double high pressures share the Multifunction transformer of a voltage regulation coil |
| CN110085405A (en) * | 2019-05-21 | 2019-08-02 | 保定天威保变电气股份有限公司 | A kind of transformer built-in voltage compensator and voltage compensating method |
| CN112259327A (en) * | 2020-10-30 | 2021-01-22 | 常州东芝变压器有限公司 | 1000kV high-voltage winding split double-coil oil-immersed power transformer |
| WO2023044964A1 (en) * | 2021-09-26 | 2023-03-30 | 吴江变压器有限公司 | Single-column sleeved single-phase autotransformer |
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| C14 | Grant of patent or utility model | ||
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| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Changzhou XD Transformer Co., Ltd. Assignor: Xi'an XD Transformer Co., Ltd. Contract fulfillment period: 2007.12.15 to 2010.12.31 Contract record no.: 2008320000841 Denomination of utility model: Classified insulating extra-high voltage auto-transformer Granted publication date: 20071107 License type: General permission Record date: 20081012 |
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Free format text: COMMON LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2007.12.15 TO 2010.12.31; CHANGE OF CONTRACT Name of requester: CHANGZHOU XIDIAN TRANSFORMER CO., LTD. Effective date: 20081012 |
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