CN102682979B - Novel phase shifting rectifier transformer - Google Patents
Novel phase shifting rectifier transformer Download PDFInfo
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- CN102682979B CN102682979B CN201210147406.3A CN201210147406A CN102682979B CN 102682979 B CN102682979 B CN 102682979B CN 201210147406 A CN201210147406 A CN 201210147406A CN 102682979 B CN102682979 B CN 102682979B
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Abstract
The invention discloses a novel phase shifting rectifier transformer, which comprises a voltage regulating transformer body, a rectifier transformer body and a phase shifting unit. The phase shifting unit is arranged on a voltage regulating transformer side, and comprises a phase shifting coil and a no-load switch. The no-load switch comprises an input stage and an output stage. A common joint of the output stage is a phase shifting leading-out end, and a common joint of the input stage is directly connected with the leading-out end of a basic winding of a voltage regulating transformer coil, or is connected with the leading-out end of the basic winding of the voltage regulating transformer coil through a no-load reversing switch. Dotted terminals and unlike terminals or the dotted terminals, the unlike terminals and tap joints of the phase shifting coil are respectively connected with gear joints of the input and output stages of the no-load switch, and phase shifting in different angles is realized through the transformation of different gears of the no-load switch or the no-load switch and the no-load reversing switch. The rectifier transformer is simple in structure, low in construction difficulty and convenient to operate, occupies a small space, and can be easily implemented even at a high voltage level. The performance of the product can be ensured, production efficiency can be improved, the manufacture, operation and maintenance cost of equipment is lowered, and the effects of energy saving and consumption reduction are achieved.
Description
Technical field
The present invention relates to special transformer field, particularly a kind of phase-shifting rectifier transformer.
Background technology
In high-power rectifying equipment, 12 pulse waves can not meet the demands, must adopt the larger Rectification Power Factor of pulse number.In this case, must there be two or more voltage regulating rectifier transformer parallel runnings, such voltage regulating rectifier transformer must arrange special phase shift winding and carry out phase shift, and its phase shift winding is arranged on conventionally as upper/lower positions: 1. at rectifier transformer primary side (seeing accompanying drawing 9); 2. in voltage regulating transformer side and rectifier transformer primary side, (seeing accompanying drawing 10) is set simultaneously.
Above-mentioned two schemes exist following not enough:
1. voltage regulating rectifier transformer carefully connects the wire when dispatching from the factory, the phase shift angle (comprising positive-negative polarity) that is every voltage regulating rectifier transformer is fixing dead, that is every voltage regulating rectifier transformer corresponding one group of phase shift angle only, have no idea to select as required its phase shift angle; If field modification difficulty is large, cannot realize even at all;
2. the phase shift winding terminal of voltage regulating rectifier transformer is all guided to tank wall terminal box, while needing to change phase shifting angle, carry out again reconfiguration line (only referring to change the positive-negative polarity of phase shifting angle), if change wiring in terminal box, take up room large, fuel tank, pin configuration complexity, especially voltage levels, implements difficulty high, sometimes even cannot realize.
Summary of the invention
The object of the present invention is to provide a kind of phase-shifting rectifier transformer, the deficiency existing to overcome above-mentioned prior art.
The technical scheme that the present invention takes is: a kind of phase-shifting rectifier transformer, comprise modulator body, whole change device body and phase-shifting unit, described phase-shifting unit is arranged on modulator body side, its each phase structure is identical: comprise phase shift coil and no load switch, described no load switch comprises input stage and output stage, input stage and output stage consist of common junction and gear contact respectively, the common junction of no load switch output stage is phase shift exit, the common junction of no load switch input stage or be directly connected with the exit of the basic winding of modulation coil, or by no-load, switch switch and be connected with the exit of the basic winding of modulation coil, the Same Name of Ends of phase shift coil, different name end or Same Name of Ends, different name end is connected with the gear contact of no load switch input stage and output stage respectively with tapping point, and by the conversion that no load switch or no load switch and no-load are switched the different gears of switch, realize the phase shift of different angles.
Its further technical scheme or: described phase shift coil is without tap winding, described no load switch input stage and output stage consist of common junction and two gear contacts respectively, the common junction of no load switch output stage is phase shift exit, the common junction of no load switch input stage is directly connected with the exit of the basic winding of modulation coil, the Same Name of Ends of phase shift coil, different name end is connected with two gear contacts of no load switch input stage and output stage respectively, and the conversion of passing through two gears of no load switch input stage and output stage realizes the phase shift of+7.5 ° or-7.5 ° two kinds of angles.
Or: described phase shift coil is the winding with a tap, described no load switch input stage and output stage consist of common junction and three gear contacts respectively, the common junction of no load switch output stage is phase shift exit, the common junction of no load switch input stage is directly connected with the exit of the basic winding of modulation coil, the Same Name of Ends of phase shift coil, different name end is connected with three gear contacts of no load switch input stage and output stage respectively with tapping point, and the conversion of passing through three gears of no load switch input stage and output stage realizes+10 °, the phase shift of 0 ° or-10 ° three kinds of angles.
Or: described phase shift coil is the winding with three taps, the basic winding of described modulation coil is the winding with a tap, be that the basic winding of modulation coil has two exits, described no load switch input stage and output stage consist of common junction and five gear contacts respectively, the common junction of no load switch output stage is phase shift exit, the common junction of no load switch input stage is switched switch by no-load and is connected with two exits of the basic winding of modulation coil, that is: the common junction that the common junction of no load switch input stage is switched switch with no-load is connected, no-load is switched two of switch and is switched contact and be connected with two exits of the basic winding of modulation coil respectively, the Same Name of Ends of phase shift coil, different name end is connected with five gear contacts of no load switch input stage and output stage respectively with three tapping points, and realize-10 ° by the shift transformation that no load switch input stage and output stage and no-load are switched switch, + 10 °,-7.5 °, the phase shift of+7.5 ° or 0 ° five kinds of angles.
Owing to taking technique scheme, to compare with traditional rectifier transformer, a kind of phase-shifting rectifier transformer of the present invention has following beneficial effect:
1. a kind of phase-shifting rectifier transformer of the present invention need to be designed to the phase shift winding of voltage regulating transformer side without tap according to phase shift angle, single tap or tapped coil, carry out the combination of phase shift winding+no load switch, can select easily the phase shift angle needing, make the transformer putting into operation can meet the requirement of whole Rectification Power Factor to total equivalent pulse number, compare and only need, according to phase shift angle, respective taps is set with common phase shift coil, not only simple in structure, take up room little, and it is little to implement difficulty, easy and simple to handle, even voltage levels is also very easy to realize, both can guarantee properties of product, can enhance productivity again, reduce device fabrication, operation, maintenance cost, reach energy-saving and cost-reducing effect.
2. adopt a kind of phase-shifting rectifier transformer of the present invention, as standby voltage regulating rectifier transformer, user can select suitable phase shift angle very easily, makes the transformer putting into operation meet all the time the requirement of whole Rectification Power Factor to total equivalent pulse number; As embodiment mono-～embodiment tri-, when every, all by technical solution of the present invention, design, in running, there is a voltage regulating rectifier transformer because fault is when out of service, spare transformer can be replaced at any time and not affect total equivalent pulse number, and the transformer of simultaneously replacing out can be used as again standby after repairing.
3. there are at present many large enterprises, if chemical plant, smeltery are due to former thereby employing Operation by stages such as funds, adopt a kind of phase-shifting rectifier transformer of the present invention, can guarantee to form early stage equivalent pulse number, after the two phases parallel running of front and back, also can form equivalent pulse number, thereby avoid the appearance of inequivalence pulse number, reduce the pollution of harmonic wave to electrical network, improved power factor.The technology of the present invention for this reason demand provides a kind of new solution.
Below in conjunction with drawings and Examples, the technical characterictic of a kind of phase-shifting rectifier transformer of the present invention is further described.
Accompanying drawing explanation
Fig. 1: the elementary diagram of a kind of phase-shifting rectifier transformer of the embodiment of the present invention one;
Fig. 2: Fig. 1 works as no load switch K and is positioned at state 1 time shift equivalent circuit diagram (modulation side is local);
Fig. 3: Fig. 1 works as no load switch K and is positioned at state 2 time shift equivalent circuit diagrams (modulation side is local);
Fig. 4: the elementary diagram of a kind of phase-shifting rectifier transformer of the embodiment of the present invention two;
Fig. 5: Fig. 4 works as no load switch K and is positioned at state 1 time shift equivalent circuit diagram (modulation side is local);
Fig. 6: Fig. 4 works as no load switch K and is positioned at state 2 time shift equivalent circuit diagrams (modulation side is local);
Fig. 7: Fig. 4 works as no load switch K and is positioned at state 3 time shift equivalent circuit diagrams (modulation side is local);
Fig. 8: the connection principle schematic diagram of a kind of phase-shifting rectifier transformer of the embodiment of the present invention three;
Fig. 9: tradition arranges the rectifier transformer of phase shift winding at rectifier transformer primary side;
Figure 10: tradition is at voltage regulating transformer side and the same rectifier transformer that phase shift winding is set of rectifier transformer primary side.
In figure:
K(Ka, Kb, Kc)-no load switch, K1(K1a, K1b, K1c)-(no load switch) input stage, K2(K2a, K2b, K2c)-(no load switch) output stage, KZ(KZa, KZb, KZc)-no-load switches switch, L0(L0a, L0b, L0c)-phase shift coil, L(La, Lb, Lc) the basic winding of-modulation coil.
Illustrate: Ka, Kb, Kc are for arranging no load switch in each phase, K1a, K1b, K1c are for arranging the input stage of no load switch in each phase, K2a, K2b, K2c are for arranging the output stage of no load switch in each phase, and K1a, K1b, K1c and K2a, K2b, K2c are adjusted in concert; KZa, KZb, KZc switch switch for the no-load arranging in each phase, and KZa, KZb, KZc are adjusted in concert.
Embodiment
A kind of cenotype rectifier transformer, comprise modulator body, whole change device body and phase-shifting unit, described phase-shifting unit is arranged on modulator body side, its each phase structure is identical: comprise phase shift coil and no load switch, described no load switch comprises input stage and output stage, input stage and output stage consist of common junction and gear contact respectively, the common junction of no load switch output stage is phase shift exit, the common junction of no load switch input stage or be directly connected with the exit of the basic winding of modulation coil, or by no-load, switch switch and be connected with the exit of the basic winding of modulation coil, the Same Name of Ends of phase shift coil, different name end or Same Name of Ends, different name end is connected with the gear contact of no load switch input stage and output stage respectively with tapping point, and by the conversion that no load switch or no load switch and no-load are switched the different gears of switch, realize the phase shift of different angles.
The present invention can, according to different designing requirements, select corresponding embodiment.
Embodiment mono-
Designing requirement: whole Rectification Power Factor has two voltage regulating rectifier transformers, model ZHSSPT-20000/63, require two voltage regulating rectifier transformer parallel runnings, separate unit 12 pulse waves, two form equivalent 24 pulse waves, separately have the transformer of a same model as standby, design is one drag two structure, voltage regulating rectifier transformer is containing a modulator body and two whole change device bodies, and modulation side adopts indentation phase shift, and the phase shifting angle of two modulations is respectively+and 7.5 ° and-7.5 °; Its whole change primary side adopts indentation phase shift, and the phase shifting angle of two whole change device bodies is respectively+and 15 ° and-15 °, whole change secondary is delta connection.So just make two voltage regulating rectifier transformers form and form equivalent 24 pulse waves.
The solution of the present invention is: referring to accompanying drawing 1 ~ 3, a kind of phase-shifting rectifier transformer, comprise modulator body, whole change device body and phase-shifting unit, described phase-shifting unit is arranged on modulator side, its each phase structure is identical: comprise phase shift coil L0(L0a, L0b, L0c) and no load switch K, described no load switch comprises input stage K1 and output stage K2, the input stage that is positioned at each phase is K1a, K1b, K1c, the output stage that is positioned at each phase is K2a, K2b, K2c, input stage and output stage consist of common junction and two gear contacts respectively, be arranged in corresponding no load switch output stage K2a mutually, K2b, the common junction of K2c is phase shift exit A, B and C, described phase shift coil is without tap winding, be arranged in corresponding no load switch input stage K1a mutually, K1b, the common junction of K1c directly with each phase of the basic winding L of modulation coil La, Lb, the exit of Lc (Same Name of Ends) connects, each phase of phase shift coil L0 L0a, L0b, the Same Name of Ends of L0c, different name end respectively with the no load switch input stage K1a of corresponding phase, K1b, K1c and output stage K2a, K2b, two gear contacts of K2c connect, and by no load switch input stage K1a, K1b, K1c and output stage K2a, K2b, the conversion of two different gears of K2c realizes the phase shift of+7.5 ° or-7.5 ° two kinds of different angles.That is:
The Same Name of Ends of L0a and no load switch input stage K1b 2 grades with K1c 1 grades are connected,
The different name end of L0a and no load switch output stage K2b 2 grades with K2c 1 grades are connected,
The Same Name of Ends of L0b and no load switch input stage K1a 1 grade with K1c 2 grade are connected,
The different name end of L0b and no load switch output stage K2a 1 grade with K2c 2 grade are connected,
The Same Name of Ends of L0c and no load switch input stage K1a 2 grades with K1b 1 grades are connected,
The different name end of L0c and no load switch output stage K2a 2 grades with K2b 1 grades are connected;
When the input stage of no load switch and output stage are positioned at 1 file location, phase shifting angle is-7.5 °, and when the input stage of no load switch and output stage are positioned at 2 file location, phase shifting angle is+7.5 °.
To above designing requirement, the way traditional to spare transformer is: 1) be designed to identically with one of them, when replacing the voltage regulating rectifier transformer of different phase shifting angles, need hang cover and change back panel wiring.2) lifting one's head of modulation phase shift coil being guided to fuel tank outside connects.These two kinds of ways mainly contain following shortcoming: reconfiguration difficulty, lead-in wire, fuel tank complexity, take up space larger, and this type of traditional method only can change the positive-negative polarity of phase shifting angle.
The present embodiment increases a no load switch K in modulation side on the basis of traditional method, compares with traditional structure, and the material usages such as its copper cash and magnetic links are all identical, just increase a no load switch, and cost is very nearly the same; But can select easily phase shift, avoid occurring reconfiguration difficulty, lead-in wire, fuel tank complexity, larger situation takes up space.
Embodiment bis-
Designing requirement: whole Rectification Power Factor has three voltage regulating rectifier transformers, model ZHSSPT-16000/35, user requires separately to have the transformer of a same model as standby, these three voltage regulating rectifier transformer parallel runnings, separate unit 12 pulse waves, three form equivalent 36 pulse waves, design is one drag two structure, voltage regulating rectifier transformer is containing a modulator body and two whole change device bodies, and modulation side adopts indentation phase shift, and the phase shifting angle of three modulations is respectively+and 10 °, 0 ° and-10 °; Its whole change primary side adopts indentation phase shift, and the phase shifting angle of two whole change device bodies is respectively+and 15 ° and-15 °, whole change secondary is delta connection, so just makes three voltage regulating rectifier transformers form and forms equivalent 36 pulse waves.
The solution of the present invention: referring to accompanying drawing 4 ~ 7, a kind of phase-shifting rectifier transformer, comprises modulator body, whole change device body and phase-shifting unit, described phase-shifting unit is arranged on modulator body side, and its each phase structure is identical: comprise phase shift coil L0(L0a, L0b, L0c) and no load switch K, described no load switch comprises input stage K1 and output stage K2, and the input stage that is positioned at each phase is K1a, K1b, K1c, the output stage that is positioned at each phase is K2a, K2b, K2c, input stage K1a, K1b, K1c and output stage K2a, K2b, K2c consists of common junction and three gear contacts respectively, is arranged in corresponding no load switch output stage K2a mutually, K2b, the common junction of K2c is phase shift exit A, B and C, described phase shift coil L0(L0a, L0b, L0c) be the winding with a tap, be arranged in corresponding no load switch input stage K1a mutually, K1b, the common junction of K1c directly with each phase of the basic winding L of modulation coil La, Lb, the exit of Lc connects, each phase of phase shift coil L0 L0a, L0b, the Same Name of Ends of L0c, different name end and tapping point respectively with corresponding no load switch input stage K1a in mutually, K1b, K1c and output stage K2a, K2b, three gear contacts of K2c connect, and by no load switch input stage K1a, K1b, K1c and output stage K2a, K2b, the conversion of three gears of K2c realizes+10 °, the phase shift of 0 ° or-10 ° three kinds of angles.That is:
The Same Name of Ends of L0a and no load switch input stage K1b 2 grades with K1c 1 grades are connected,
The different name end of L0a and no load switch output stage K2b 2 grades with K2c 1 grades are connected,
3 grades of the tap of L0a and K1a are connected,
The Same Name of Ends of L0b and no load switch input stage K1a 1 grade with K1c 2 grade are connected,
The different name end of L0b and no load switch output stage K2a 1 grade with K2c 2 grade are connected,
3 grades of the tap of L0b and K1b are connected,
The Same Name of Ends of L0c and no load switch input stage K1a 2 grades with K1b 1 grades are connected,
The different name end of L0c and no load switch output stage K2a 2 grades with K2b 1 grades are connected,
3 grades of the tap of L0c and K1c are connected;
As no load switch input stage K1(K1a, K1b, K1c) and output stage K2(K2a, K2b, K2c) while being positioned at 1 file location, phase shifting angle is-10 °, while being positioned at 2 file location, phase shifting angle is+10 °, while being positioned at 3 file location, phase shifting angle is 0 °.
A kind of phase-shifting rectifier transformer of the present embodiment two is arranged to the winding with a tap the phase shift winding of modulation side, add again a no load switch K, receive no load switch by suitable lifting one's head of cloth bundle of lines phase-shift line circle, by conversion no load switch K, thereby reach the object of freely selecting phase shifting angle+10 °, 0 ° or-10 °, this way and traditional comparing, its copper cash consumption slightly increases, the material usages such as magnetic links are identical, increase a no load switch, cost is compared with traditional way and is differed and not quite; But user can select suitable phase shift angle very easily, make the transformer putting into operation meet all the time the requirement of whole Rectification Power Factor to total equivalent pulse number, when every, all by technical solution of the present invention, design, in running, there is a voltage regulating rectifier transformer because fault is when out of service, spare transformer can be replaced at any time and not affect total equivalent pulse number, and the transformer of simultaneously replacing out can be used as again standby after repairing; Avoid reconfiguration difficulty, lead-in wire, fuel tank complexity, larger problem takes up space.
Embodiment tri-
Designing requirement: whole Rectification Power Factor has three voltage regulating rectifier transformers, model ZHSSPT-25000/35, user requires minute two phases to go into operation, and first phase is first thrown two, and whole unit forms equivalent 24 pulse waves; Second phase is gone up one again, after two parallel runnings of first phase, whole unit forms equivalent 36 pulse waves, design is one drag two structure, a voltage regulating rectifier transformer is containing a modulator body and two whole change device bodies, modulation side adopts indentation phase shift, and the phase shift winding of two modulations of first phase is all designed to+10 ° ,+7.5 °, 0 ° ,-7.5 ° and-10 ° of equal angles taps, and second phase its modulation adopts not phase shift (that is phase shift 0 °).
The solution of the present invention is: referring to accompanying drawing 8, a kind of phase-shifting rectifier transformer, comprises modulator body, whole change device body and phase-shifting unit, described phase-shifting unit is arranged on modulator body side, and its each phase structure is identical: comprise phase shift coil L0(L0a, L0b, L0c) and no load switch K(Ka, Kb, Kc), described phase shift coil L0(L0a, L0b, L0c) be the winding with three taps, the basic winding of described modulation coil is the winding with a tap, be that the basic winding of modulation coil has two exits, described no load switch comprises input stage K1 and output stage K2, and the input stage that is positioned at each phase is K1a, K1b, K1c, the output stage that is positioned at each phase is K2a, K2b, K2c, input stage K1a, K1b, K1c and output stage K2a, K2b, K2c consists of common junction and five gear contacts respectively, is arranged in corresponding no load switch output stage K2a mutually, K2b, the common junction of K2c is phase shift exit A, B and C, be arranged in corresponding no load switch input stage K1a mutually, K1b, the common junction of K1c by correspondence the no-load in mutually switch K switch Z a, KZ b, KZ c and the corresponding phase La of the basic winding L of modulation coil, Lb, two exits of Lc connect, that is: no load switch input stage K1a, K1b, the common junction of K1c and no-load are switched K switch Z a, KZ b, the common junction of KZ c connects, and no-load is switched K switch Z a, KZ b, two of KZ c switch contact respectively with each phase of the basic winding L of modulation coil La, Lb, two exits of Lc (being Same Name of Ends and tapping point) are connected, each phase of phase shift coil L0 L0a, L0b, the Same Name of Ends of L0c, different name end and three tapping points respectively with corresponding mutually in no load switch input stage K1a, K1b, K1c and output stage K2a, K2b, five gear contacts of K2c connect, and by no load switch input stage K1a, K1b, K1c and output stage K2a, K2b, K2c and no-load are switched K switch Z a, KZ b, the shift transformation of KZ c is realized-10 °, + 10 °,-7.5 °, the phase shift of+7.5 ° or 0 ° five kinds of angles.
That is:
The Same Name of Ends of L0a and no load switch input stage K1b 2 grades with K1c 1 grades are connected, are connected with 5 grades of no load switch output stage K2a simultaneously,
The different name end of L0a and no load switch output stage K2b 2 grades with K2c 1 grades are connected,
The first tap of L0a and no load switch output stage K2b 4 grades with K2c 3 grades are connected,
5 grades of the second tap of L0a and no load switch input stage K1a are connected,
The 3rd tap of L0a and no load switch input stage K1b 4 grades with K1c 3 grades are connected,
The Same Name of Ends of L0b and no load switch input stage K1a 1 grade with K1c 2 grade are connected, are connected with 5 grades of no load switch output stage K2b simultaneously,
The different name end of L0b and no load switch output stage K2a 1 grade with K2c 2 grade are connected,
The first tap of L0b and no load switch output stage K2a 3 grades with K2c 4 grades are connected,
5 grades of the second tap of L0b and no load switch input stage K1b are connected,
The 3rd tap of L0b and no load switch input stage K1a 4 grades with K1c 4 grades are connected,
The Same Name of Ends of L0c and no load switch input stage K1a 2 grades with K1b 1 grades are connected, are connected with 5 grades of no load switch output stage K2c simultaneously,
The different name end of L0c and no load switch output stage K2a 2 grades with K2b 1 grades are connected,
The first tap of L0c and no load switch output stage K2a 4 grades with K2b 3 grades are connected,
5 grades of the second tap of L0c and no load switch input stage K1c are connected,
The 3rd tap of L0c and no load switch input stage K1a 4 grades with K1b 3 grades are connected.
The solution of the present invention is arranged to the winding with three taps the phase shift winding of modulation side, add a no load switch K(Ka, Kb, Kc), and the basic winding L of modulation coil is arranged to the winding with a tap, add a no-load and switch K switch Z(KZ a, KZ b, KZ c), receive no load switch K(Ka by suitable lifting one's head of cloth bundle of lines phase-shift line circle, Kb, Kc), by no load switch K(Ka, Kb, Kc) and no-load switch K switch Z(KZ a, KZ b, KZ c) conversion, reach and freely select phase shifting angle+10 °, + 7.5 °, 0 °, the object of-7.5 ° or-10 °.One, the whole change primary side of second phase adopts indentation phase shift, the phase shifting angle of two whole change device bodies is+15 ° and-15 ° respectively, whole change secondary is delta connection, when no load switch K be selected in+7.5 ° and-7.5 ° and no-load are when switching K switch Z and being selected in 2 position, two voltage regulating rectifier transformers that put into operation in advance will form equivalent 24 pulse waves of composition.When two no-load switch of transformer K of first phase be selected in+10 ° and-10 ° of no-loads switch K switch Z(KZ a, KZ b, KZ c) while being selected in 1 position, after a voltage regulating rectifier transformer that adds the second phase puts into operation, will form equivalent 36 pulse waves of composition.
With traditional comparing, its copper cash consumption of a kind of phase-shifting rectifier transformer of the present embodiment three slightly increases, and the material usages such as magnetic links are identical, and cost is compared with traditional way slightly to be increased; But user can select suitable phase shift angle very easily, make the transformer putting into operation meet all the time the requirement of whole Rectification Power Factor to total equivalent pulse number.Adopt a kind of Novel Phase-shifted rectifier transformer of the present invention, can guarantee to form equivalent pulse number early stage, after the two phases parallel running of front and back, also can form equivalent pulse number, thereby avoid the appearance of inequivalence pulse number, reduce the pollution of harmonic wave to electrical network, improved power factor.
Claims (4)
1. a phase-shifting rectifier transformer, comprise modulator body, whole change device body and phase-shifting unit, it is characterized in that: described phase-shifting unit is arranged on modulator body side, its each phase structure is identical: comprise phase shift coil (L0) and no load switch (K), described no load switch comprises input stage (K1) and output stage (K2), input stage and output stage consist of common junction and gear contact respectively, the common junction of no load switch output stage (K2) is phase shift exit, the common junction of no load switch input stage (K1) or be directly connected with the exit of the basic winding of modulation coil (L), or by no-load, switch switch (KZ) and be connected with the exit of the basic winding of modulation coil (L), the Same Name of Ends of phase shift coil (L0), different name end or Same Name of Ends, different name end is connected with the gear contact of no load switch input stage (K1) and output stage (K2) respectively with tapping point, and by the conversion that no load switch (K) or no load switch (K) and no-load are switched the different gears of switch (KZ), realize the phase shift of different angles.
2. a kind of phase-shifting rectifier transformer according to claim 1, it is characterized in that: described phase shift coil (L0) is without tap winding, described no load switch input stage (K1) and output stage (K2) consist of common junction and two gear contacts respectively, the common junction of no load switch output stage (K2) is phase shift exit, the common junction of no load switch input stage (K1) is directly connected with the exit of the basic winding of modulation coil (L), the Same Name of Ends of phase shift coil (L0), different name end is connected with two gear contacts of no load switch input stage (K1) and output stage (K2) respectively, and the conversion of passing through two gears of no load switch input stage (K1) and output stage (K2) realizes the phase shift of+7.5 ° or-7.5 ° two kinds of angles.
3. a kind of phase-shifting rectifier transformer according to claim 1, it is characterized in that: described phase shift coil is the winding with a tap, described no load switch input stage (K1) and output stage (K2) consist of common junction and three gear contacts respectively, the common junction of no load switch output stage (K2) is phase shift exit, the common junction of no load switch input stage (K1) is directly connected with the exit of the basic winding of modulation coil (L), the Same Name of Ends of phase shift coil (L0), different name end is connected with three gear contacts of no load switch input stage (K1) and output stage (K2) respectively with tapping point, and the conversion of passing through three gears of no load switch input stage (K1) and output stage (K2) realizes+10 °, the phase shift of 0 ° or-10 ° three kinds of angles.
4. a kind of phase-shifting rectifier transformer according to claim 1, it is characterized in that: described phase shift coil is the winding with three taps, the basic winding of described modulation coil is the winding with a tap, be that the basic winding of modulation coil has two exits, described no load switch input stage (K1) and output stage (K2) consist of common junction and five gear contacts respectively, the common junction of no load switch output stage (K2) is phase shift exit, the common junction of no load switch input stage (K1) is switched switch (KZ) by no-load and is connected with two exits of the basic winding of modulation coil (L), that is: the common junction that the common junction of no load switch input stage (K1) is switched switch (KZ) with no-load is connected, no-load is switched two of switch (KZ) and is switched contact and be connected with two exits of the basic winding of modulation coil, the Same Name of Ends of phase shift coil L0, different name end is connected with five gear contacts of no load switch input stage (K1) and output stage (K2) respectively with three tapping points, and realize-10 ° by the shift transformation that no load switch input stage (K1) and output stage (K2) and no-load are switched switch (KZ), + 10 °,-7.5 °, the phase shift of+7.5 ° or 0 ° five kinds of angles.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210147406.3A CN102682979B (en) | 2012-05-13 | 2012-05-13 | Novel phase shifting rectifier transformer |
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|---|---|---|---|
| CN201210147406.3A CN102682979B (en) | 2012-05-13 | 2012-05-13 | Novel phase shifting rectifier transformer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103023343A (en) * | 2012-12-13 | 2013-04-03 | 江苏华鹏变压器有限公司 | Three-phase 24-pulse traction rectifier transformer |
| CN103280305B (en) * | 2013-07-01 | 2015-11-25 | 保定天威集团特变电气有限公司 | A kind of 132kV level 36 pulse wave drive rectifier transformer |
| CN103489599B (en) * | 2013-10-08 | 2016-04-06 | 保定天威集团(江苏)五洲变压器有限公司 | A kind of multistage continuous voltage regulating 12 pulsating wave rectifier transformer |
| CN105428037A (en) * | 2015-12-28 | 2016-03-23 | 保定天威保变电气股份有限公司 | Wiring structure and method for switching connection group labels by non-excitation switch |
| CN106505701A (en) * | 2016-11-04 | 2017-03-15 | 王奉瑾 | A kind of whole electric motor car charger |
| CN112289560A (en) * | 2020-10-26 | 2021-01-29 | 保定天威顺达变压器有限公司 | 12-pulse group 36-pulse rectifier transformer structure and method for reducing harmonic influence |
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Effective date of registration: 20151103 Address after: 536000, Tibet Beihai Road, the Guangxi Zhuang Autonomous Region Galaxy software technology park, 1, expert entrepreneurship zone Patentee after: Beihai Yinhe biological industry investment Limited by Share Ltd Address before: 545006 the Guangxi Zhuang Autonomous Region Liuzhou city and the Industrial District Yang Xu Road No. 6 Patentee before: Guangxi Liuzhou Special Transformer Co., Ltd. |