CN107710100A - Voltage regulator stabilizer and tap changer polarity-reversing switch without transition reactor - Google Patents

Abstract

These can be applied to middle pressure three phase network with Mono temporal, and without cooling oil, low voltage electric network close to user, wherein a motor can be only used only for each contact element that connects in the three-phase for the three-phase network for activating auto-transformer in operation, and it can be used for the low pressure rural area single phase networks of close consumer, it eliminates transition reactor and instead position transition resistor, eliminates polarity-reversing switch and instead reverse winding (22).Stabilizer (stabilizer) as the purpose of the present invention introduces change in switching mechanism, wherein the three of three phase network auto-transformers are allowed to may be accommodated in only one casing by eliminating transition reactor, the casing also accommodates three switches (commutator) and its corresponding motor or single motor.

Description

Voltage regulator stabilizer and tap changer pole without transition reactor Sex reversal switchs

Technical field

The present invention relates to：Adjust and up to 34.5kV voltage in stable medium voltage network and from 120V to 1kV Low-voltage；The internal consumption of voltage regulator is reduced by eliminating transition reactor；By eliminating transition reactor and polarity Reversal switch and the manufacturing cost for reducing voltage regulator；Distributed power generation is coupled with power network, so as to eliminate interference；It is quick extensive The voltage level of telegram in reply net；When being applied to multiple power networks, Voltage unbalance is eliminated；Electric power utility company is allowed to pass through Wirelessly or non-wirelessly means implement long-range monitoring and maintenance for being delivered to the voltage level of consumer；Interacted with other equipments To keep power grid quality；Automatically adjust load distribution transformer.

Prior art

Public electric wire net is the public utilities for having maximum social and economic effect to the people of today；Electric energy be responsible for maintain with Personal hygiene, health, happiness, Social Media and the relevant most of activity of amusement.

Public electric wire net will not generate gaseous contamination with the industrial movement and heat with required for business of low cost supply Thing.

The personal income of grass roots directly depends on the availability of electric energy.

Due to its huge economy and social importance and installation cost, its legal status is concession and has justice Many statutory standards are observed in business, including power grid quality (namely providing the voltage as close possible to rating number), are had The ability of enough electric currents is provided according to the seasonality of consumption, power factor is kept as it is as high as possible, and with minimum interruption Number keeps power supply.

Electric power utility company should keep price compatible with the economic condition of user, can be by minimum income bracket People bears and runed under certain surplus, so that government can to its financier payment, (this be usually directed to state in time Border fund) and avoid causing loss to public account.

Power grid quality (voltage, electric current, power factor and continuous power supply) is kept to be not only electric power utility company pair In the moral duty of its consumer, because the combination of this four factors determines the gold charged for the energy of power grid user consumption Volume, wherein the energy consumed is charged according to kWh, its numerical value calculates according to equation kV.A.Fpx hourages, also It is " kilovolt x ampere x power factor x hourages ".

As electric energy moves through power network so as to consumer of the service position away from transformer station, its voltage is often due to group The resistance of part and the quantity of customer consumption and decline；In addition to the loss in the power network for causing to impact user, this The charging of utility company can be also directly affected, this is to be that for the energy supplied of its charge V can be passed through²/ R comes Summarize, wherein V is voltage, and R is power network resistance and can be considered to be for the equation constant, that is to say, that charging and electricity The low ratio of pressure drop square is proportionally reduced.

The voltage-regulation of power network carried out by voltage regulator, will hereinafter be described and account for voltage adjuster Prior art, to provide and form the comparison of the innovation of the purpose of the present invention.

Fig. 1 schematically shows the power network (1) fed by the hv transmission line (2) for reaching transformer station (3), wherein voltage The numerical value dropped between 13.8kV to 34.5kV is so as to form three-phase medium voltage network (4), as electric energy moves to reach consumer (8), its voltage is adjusted by voltage regulator (5) and is stabilized and then go to capacitor bank (6), and so as to reach distribution Transformer (7), so as to keep power grid quality for consumer (8).

Voltage regulator is auto-transformer and is single-phase respectively, and the voltage regulator is by being designed to predetermined The equipment that numerical value adjusts the voltage of each phase among the three-phase to form electrical power distribution three-phase system is formed, and can be set Three unit groups are formed with convenient to operate in three phase units, that is to say, that each phase all has single-phase regulators.

C.57.15, the equipment is standardized by ABNT NBR 11809 and ANSI.

Fig. 2 shows the schematic diagram of the auto-transformer as the single-phase step voltage regulator of A classes (9)；We have seen that The auto-transformer is by the excitation variable winding (10) and its fixed contact therefor in parallel of the medium voltage network (4) with being shown in Fig. 1 (12) tap changer (11) being connected in series with medium voltage network (16) is formed；We have further appreciated that polarity-reversing switch (13), Transition reactor (14) and its moveable contact (15), wherein with steady by voltage regulator as shown in Figure 1 (5) Surely the route that the power network (16) for the voltage changed is shown along in Fig. 1 continues to go to consumer (8)；With transition reactor (14) On the direction of moveable contact (15) AB arrows shown in figure 2 with the fixed contact therefor (12) of tap changer (11) It is in contact, line voltage is enhanced by the electromechanical mechanism switched referred to as tap, will be to tap in this report Switch is described in detail.

Voltage is sampled for control purposes and is subsequently sent to electronic circuit 150 (not shown in Fig. 2), it is described Electronic circuit 150 sets the control of the tap switch, and electricity is stabilized to correct so as to select appropriate tap to convert Voltage in net (16).

In order to allow to convert tap or load in operation, transition reactor (14) is attached to moveable contact (15), the moveable contact (15) is connected to consolidating for tap changer (11) that are determined by previously mentioned electronic circuit Determine contact (12).

Transition reactor (14) is the component being made up of the coil inserted in the core, and the iron core is single-phase independently of A classes The iron core of stepped voltage regulation auto-transformer (9), the single-phase stepped voltage regulation auto-transformer (9) of A classes is this Standard feature in the prior art equipment of sample, and always with shown in pie graph 1 wherein the one of three-phase medium voltage network (4) Individual single-phase pole series connection.

Need to convert the voltage in electrical system as the electronic circuit of voltage regulator detects, by the electronic of its own The tap changer of machine (not shown in Fig. 2) driving initiates the moveable contact (15) and tap of transition reactor (14) Contact between the fixed contact therefor (12) of converter (11), tap changer (11) and according to current quality standard adjustment electricity The voltage of net.

Fig. 3 shows the schematic diagram of the auto-transformer as the single-phase step voltage regulator of B classes (9A)；We have seen that By being formed with A classes single-phase voltage regulation auto-transformer (9) identical equipment, it has with showing in Fig. 2 the auto-transformer The excitation variable winding (10) of three-phase medium voltage network (16) parallel connection gone out, the power network (4) of Fig. 1 with going to consumer (8) are connected in series Tap changer (11) and the tap changer (11A) that is connected in series with three-phase medium voltage network (4)；Single-phase stepping type The B classes embodiment (9A) of adjuster is functionally more advanced than A class (9), but for purposes of the present invention, itself and A classes The function of single-phase voltage regulation auto-transformer (9) is identical.

The moveable contact (15) of transition reactor (14) and the fixed contact therefor (12) of tap changer (11) Possessed specification and spacing allow the circuit to have the load always passed through in the case of no any interruption；Therefore i.e. Make the transition period between tap, the circuit will not be also interrupted.This continuity of electric current passes through transition reactor (14) it is possibly realized.

Transition reactor (14) is always inserted in mains-power circuit, and generates electrical loss from iron core and winding (I²R)。

The operation of tap changer and structure in the load in the application are described in patent US6833518.

Fig. 4 shows the operation for the tap changer (17) for being applied to the single-phase step voltage regulator of A classes (9) Prior art, so as to be compared with what will be reported in time by the purpose of the present invention for the progress that prior art is brought Compared with；Further it is shown that by-pass switch (17), medium-voltage line (4), excitation variable winding (10), tap changer (11), polarity are anti- Turn on pass (13) (it will be eliminated as by the result that the purpose of the present invention is the innovation that prior art is brought), transition reactance Device (14), a pair of moveable contacts (15) of the transition reactor (14) are when rotated using Fig. 4 center as axle, and can So that electrical contact occurs with any one fixed contact therefor (12) of the tap changer (11) shown in Fig. 5 below；It is removable Dynamic contact (15) is driven by motor, and the motor is controlled by control system again, and the motor and control system are all not Figure 4 illustrates.

We have seen that, the medium voltage network (4) in parallel with excitation variable winding (10) is passing through tap conversion in series in Fig. 4 Device (11) part or all when turn into and stabilize power network and (16) and also always connected with transition reactor (14), and The moveable contact (15) for being labeled as the transition reactor (14) of " zero contact " is consolidated with what is shown in Fig. 4 uppermost component Determine contact (12) to be in contact in particular cases, tap changer is eliminated from circuit, and stabilizes power network (16) It is identical medium-voltage line (4), simple difference is that transition reactor (14) is placed in series；We go back in Fig. 4 See, as moveable contact (15) turns clockwise, selection and tap changer (11) on high-tension direction is carried Contact, and it is mobile in the counterclockwise direction in the case of, reverse effect is also what is set up；It will not report that polarity is anti-herein The operation of pass (13) is turned on, because it will not be included in " the electricity without transition reactor of the purpose of the present invention Press regulator stable device and tap changer polarity-reversing switch " among.

Fig. 5,5A and 5B are shown according to the fixed contact therefor (12) of prior art and may move for transition reactor (14) Interaction sequence between contact (15).

Fig. 5 shows removable with a pair of fixed contact therefor (12A) electrical couplings in so-called inactive state Contact (15A and 15B)；We have further appreciated that it is connected to the transition reactor (14) for stabilizing power network (16) and its output.

Fig. 5 A show a pair of moveable contacts (15A and 15B) of (1) in an interim state；Moving contacting piece (15A) It is coupled to fixed contact therefor (12A), moveable contact (15B) does not have electrical couplings, and is isolated in fixed contact therefor (12) in the space between.

Fig. 5 B show fixed contact therefor (12A and 12B) referred to as stable state (2) and moveable contact (15A and Electrical couplings scheme between 15B), wherein transition reactor (14) while electrical couplings occur with two fixed contact therefors, this When its Inside coil be added and by voltage therebetween divided by two and take to stabilize power network (16), so as to realize improve or drop It is low be applied to stabilize power network (16) voltage between seamlessly transit.

Comment on prior art

The voltage-regulation auto-transformer for following prior art is high cost equipment, its operate under the conditions of oil bath for Cooling and reduction form removable the connecing in the fixed contact therefor (12) and transition reactor (14) of tap changer (11) Electric arc between contact element (15), because electric arc often damages these contacts, so as to mean in electric energy supply more More interference and high maintenance cost.

These voltage-regulation auto-transformers need electric energy to operate, and even if also continuous under no load Ground consumes electric energy.

These voltage-regulation auto-transformers are heavier, size is big, and due to must be mounted on the top of electric pole Therefore install very expensive, and the low voltage electric network that consumer is connected to can not be applied to.

Improvement for prior art

Here is that " do not have the voltage regulator stabilizer and tap of transition reactor as the purpose of the present invention The innovation of converter polarity-reversing switch ".

1st --- innovation of the invention eliminates high cost transition reactor and its continuous electricity consumption and instead position Transition resistor, the position transition resistor is relatively cheap and the only electricity consumption during switch time；

2nd --- innovation of the invention eliminates polarity-reversing switch due to introducing the circuit of novelty, so as to drop The low manufacturing cost of auto-transformer；

3rd --- innovation of the invention introduces the change in control and switching mechanism, so that transition is with than existing The more advanced mode of technology occurs；

4th --- innovation of the invention can by single-phase be applied to three-phase medium voltage network, and be applied to close disappear The low voltage electric network of the person of expense；

5th --- innovation of the invention can be operated in low voltage electric network in the case of no cooling oil and arc reduction In, that is to say, that innovation " dry type " operation of the invention, so as to save material cost and eliminate whole oily supply chain institute Caused environmental risk；

6th --- innovation of the invention can drive the three-phase of 3-phase autotransformer power network in an only motor Operated in the case of the contact of central each phase, this unlike the prior art, in the prior art, each phase all pass through one Individual complete auto-transformer, that is to say, that each phase depends on single motor to trigger its contact；

7th --- due to eliminating transition reactor, therefore operate three auto-transformers needed for three phase network can be with It is accommodated in only one casing, the casing also accommodates three switches and its corresponding motor or single motor, So as to significantly reduce manufacturing cost and reduce materials'use.

8th --- innovation of the invention can be applied to the single-phase rural low voltage electric network close to consumer, so as to keep The quality of the electric power of power network.

9th --- the purpose of the present invention introduces progress on ansi standard C 57.15 and ABNT 11809, although load The mechanical part of upper tap changer driver still follows the general principle of the adjuster suitable for deferring to standard.

On " the voltage regulator stabilizer and tap change without transition reactor as the purpose of the present invention The explanation of parallel operation polarity-reversing switch " and operation.

Fig. 6 shows " not having the voltage regulator stabilizer of transition reactor and dividing as the purpose of the present invention The circuit of the novel auto-transformer design of joint converter polarity-reversing switch " (18), it is referred to as stabilizer below (18) and B classes auto-transformer (9A) as shown in Figure 3 is applied to, so that it is guaranteed that it can also be applied to from figure 2 A classes equipment；The medium voltage network (4) of transformer station (3) in figure we have seen that in Fig. 1, excitation variable winding (10), have The tap changer (11) of fixed contact therefor (12A ... 12I), moving contacting piece (15A) and (15B) and stabilize power network (16)；Fig. 6 is shown to be substituted simultaneously by resistor (R) in the absence of polarity-reversing switch (13) and transition reactor (14), the latter And be a part for the moveable contact (15B) being made up of the threaded section of low ohmic resistance metal alloy, transition reactor (14) it is not present with previously mentioned polarity-reversing switch (13) in the purpose of the present invention, and represents and be finally equipped to This about 30%.

Also see in figure 6 and be provided with gear to be properly located the location control motor of moveable contact (15) (19), the equipment of switch controller (20) and the voltage level (21) of responsible regulation measurement point, the equipment is in measurement point The direct of controller (20) can be only destined in the case of there is identical voltage level with the operating voltage of controller (20) Connection, controller (20) make necessary change based on its parameter according to accompanying drawing below.

Fig. 7,7A, 7B, 7C and 7D show real by the stabilizer (18) as the purpose of the present invention and its controller (20) The switching manipulation applied, the controller (20) perform the switch that prior art is shown as in Fig. 5,5A and 5B.

Fig. 7 shows the peace of the coupling between fixed contact therefor (12A and 12B) and moveable contact (15A and 15B) Row, the latter are changed and accommodate resistor (R) on prior art；This coupling is referred to as stable state (1), and anticipates Taste when controller (20) has completed to implement the change of coupling position so as to by selecting wherein the one of tap changer (11) Individual fixed contact therefor (12) and improve or reduce voltage when, moveable contact (15B) be anchored in fixed contact therefor (12) it Between gap in, this is between two fixed contact therefors (12A and 12B) by it and therefore outside circuit in this example The position in portion and show；Therefore it is not that electric energy is all used during whole auto-transformer operates, and simply during transition Use, so as to reduce loss relative to the prior art auto-transformer including transition reactor (14).

Fig. 7 A are shown in which to implement the so-called transition state (1) of stable state switch (1), wherein moveable contact (15A and 15B) starts fixed contact therefor (12A) to be disconnected from the circuit of stabilizer (18), and is not interrupting stabilisation circuit (16) fixed contact therefor (12B) is transferred into the case of the electric current supply in；Fig. 7 A also show moveable contact Between fixed contact therefor (12A and 12B) simultaneously electrical couplings occur for (15A and 15B), and so as to form smaller electric arc, this is Because in the case of no resistor (R) electric current be from the contact with less resistive, and power keep it is constant. In this case, due to the potential difference between fixed contact therefor (12A) and (12B), electric current fixed contact therefor (12A) with Circulated between (12B), need transition resistor at this point；Otherwise short circuit will occur between fixed contact therefor, so as to cause Bigger loss and possible device damage.

Fig. 7 B show the transition state (2) as only switch time, wherein electric energy consumption be present in resistor (R) Dissipate, because moveable contact (15B) the engagement fixed contact therefor (12B) in this case only comprising resistor (R), and And keep electric current to be flow to from power network (4) in the case of no interruption and stabilize power network (16)；It should carry in this case To the resistor in contact (15B) has extremely low voltage；Otherwise unexpected voltage will declines during switch, This is undesirably in the application of the purpose of the present invention.

Fig. 7 C are shown a case that referred to as " transition state 3 ", two of which moveable contact (15A and 15B) is simultaneously Electrical couplings occur in identical fixed contact therefor (12B), so as to cause electric current to pass through more low-resistance contact, this In the case of be moveable contact (15A).

Fig. 7 D show the stable state (2) similar to Fig. 7, and the stable state (2) is completed in switch and equips standard Occur when getting the switch next time that will improve or reduce voltage ready, now implement each step in a reverse order；Scheming In 7D, moveable contact (15B) be in circuit external and in fixed contact therefor (12B) and next fixed contact therefor it Between, and the voltage for stabilizing power network (16) is increased or decreased in the case of not interruptive current.

Following table describes the stable state that switch starts, the transition state passed through, until reaching other inactive states.

Stabilizer (18) as the purpose of the present invention can be employed according to the single-phase form described in this report, A wherein unit of each phase of power network Jing Guo the purpose of the present invention；Due to such as transition reactor and polarity-reversing switch it The number of the larger part of class is reduced, therefore the stabilizer can be established and be assembled in the inside of single casing, from And there are obvious material saving and weight saving.

In the case where applying in single casing, each phase can have the motor of its own for individually opening Close, or threephase switch can be driven by single motor, it is bigger so as to have on the material and electric power that use during operation Saving.

The purpose of the present invention may be applied to the secondary windings of distribution transformer, that is, be connect in its armature winding Receive the middle pressure for being up to 34.5kV and 120V, 240V voltage and the distribution transformer of other voltages are directly delivered to consumer.

Fig. 8, which is shown, to be applied to having two secondary sleeve pipes as the stabilizer of the purpose of the present invention (18) The single phase distribution transformer of (secondary bushing)；Fig. 8 reference is provided with engineering language, in figure Transformer (TD) is also show, its armature winding receives medium voltage network, and its in two input sleeve pipe (H1) and (H2) Secondary windings provides the consumer with appropriate voltage by two output sleeve pipe (X1) and (X2), and the secondary windings serves as Wherein using the tap changer for the innovation being made up of the stabilizer (18) as the purpose of the present invention.

Fig. 9 is shown is applied to the single phase distribution transformer with three secondary sleeve pipes by stabilizer (18)；Fig. 9 accompanying drawing Mark is provided with engineering language, transformer (TD) is also show in figure, its armature winding is in two input sleeve pipe (H1) and in (H2) receive medium voltage network, and its secondary windings by its three output sleeve pipes (X1), (X2) and (X3) to disappearing The person of expense provides appropriate voltage, and there is the secondary windings of center by-pass (X2) to serve as and apply wherein by stabilizer (18) structure Into innovation tap changer.

Figure 10 is shown is applied to the single phase distribution transformer with four secondary sleeve pipes by stabilizer (18)；Figure 10's is attached Icon note is provided with engineering language, transformer (TD) is also show in figure, its armature winding is in two input set Manage (H1) and (H2) in reception medium voltage network, and its secondary windings by its four output sleeve pipes (X1), (X2), (X3) and (X4) enough voltage is provided the consumer with, the secondary windings with center by-pass (X2) serves as application wherein by stable Two tap changers of the innovation that device (18) is formed.

Figure 11 is shown is applied to Three-Phase Distribution Transformers (TDT) by stabilizer (18)；Figure 11 reference is electricity consumption What the technical language of gas engineering provided, transformer (TDT) is also show in figure, its armature winding passes through its three input sleeve pipes (H1) (H2) receives three-phase medium voltage network with (H3) in triangular form connects, and its secondary windings passes through its four output sleeve pipes (X0), (X1), (X2) and (X3) provides the consumer with enough voltage, and secondary windings (X0) serves as to be applied by stabilizer wherein (18) three tap changers of the innovation formed.

Stabilizer (18) can be by with bringing the structural change of another progressive feature to form for prior art, this be Because the stabilizer (18) can also reduce output voltage by introducing the 3rd operation coil referred to as reverse winding, By being wound on the direction opposite with guiding coil (lead coil), the reverse winding causes to convert by tap The reduction of the voltage generated wherein during device.

Figure 12 shows a type of connection in above-mentioned structural change, wherein when mentioning stabilizer (18) Itself and stabilizer (18A) are made into differentiation；Figure 12 also show transformer station (3), medium-voltage line (4), switch controller (20), swash Hair line circle (10), tap changer (11), it is responsible for regulation for the equipment of the voltage level (21) of measurement (in measurement point and control In the case that the operating voltage of device (20) processed has identical voltage level, the equipment can only be destined to controller (20) Be directly connected to), reverse winding (22), moveable contact (15), fixed contact therefor (12), and focus on fixed contact therefor (PO) on, when being switched on and off controller (19) selection, fixed contact therefor (PO) produces the bypass from tap changer (11), Medium voltage network (4) goes directly to stabilize power network (16) and only passes through reverse winding (22), can further be seen that in the figure In order to reach electric power networks (16), power network (4) must pass through reverse winding (22) so as to reach stabilisation power network.

The operation of stabilizer (18A) (namely with the addition of the excellent of the stabilizer (18) of reverse winding (22) for it wherein In choosing construction) it is considered as to be designed to trigger fixed voltage decline, the voltage of the fixation, which declines, is equal to tap conversion Device (11) potential difference between fixed number purpose fixed contact therefor (12) (or tap of tap changer (11)) really.

Therefore, as switch controller (19) selection fixed contact therefor (PO) among the set of fixed contact therefor (12), The voltage for reaching stabilisation power network (16) declines the current potential undergone equal to the voltage decline from reverse winding.

Correspondingly we have seen that, be introduced into obtain stabilizer (18A) reverse winding (22) represent have the ability in power network with Asymmetric mode implements the equipment of voltage-regulation, and wherein voltage-regulation can change in various degree in a wider context.

Reverse winding (22) can be inserted using different structural forms, one of which construction is related to reverse winding (22) it is positioned to connect with tap changer (11), so as to cause to be applied to excitation line compared with the structural form above provided The reduction of the voltage enclosed in (10).Another alternative is that reverse winding insertion is gone here and there into moving contacting piece circuit (15) Connection, so as to cause the voltage that will apply in whole stabilizer circuit (18) to decline.

Figure 13 shows a kind of structural change of stabilizer (18), and the structural change introduces in measurement adjustment equipment (21) A kind of more economical alternative forms for being made up of stabilizer (18B), wherein being twined using the iron core around excitation variable winding (10) Around measuring coil (23).Therefore, surveyed by only adding extra coil in main iron core to substitute using element to adjust The voltage level of point is measured, so as to save manufacturing cost.Implement to calculate to determine the voltage level in load, and based on application Voltage in excitation variable winding (21) reduces the voltage (if present) of reverse winding (22), and reaches and will be used to control The result of the stabilisation voltage (16) of the calculating of device (20) processed.

Claims (12)

1. voltage regulator stabilizer and tap changer polarity-reversing switch without transition reactor, it can be by It is applied to three-phase medium voltage network single-phasely and the low voltage electric network close to consumer is applied in the case of no cooling oil, And the contact of each phase among the three-phase of 3-phase autotransformer power network can be driven in an only motor In the case of operate, and the phase low voltage electric network of rural area one close to consumer can be applied to, it is characterised in that eliminate transition Reactor and instead position transition resistor, polarity-reversing switch and instead reverse winding are eliminated, introduce control Change in system and switching mechanism, and allow 3-phase autotransformer power network to accommodate only due to eliminating transition reactor One casing, the casing also accommodate three switches and its corresponding motor or single motor.

2. voltage regulator stabilizer and tap changer pole according to claim 1 without transition reactor Sex reversal switchs, it is characterised in that excitation variable winding (10) has the tap changer with fixed contact therefor (12A ... 12I) (11), moveable contact (15A) and (15B) and resistor (R), the resistor (R) form moveable contact (15B) A part and be made up of a section of low resistive metal alloy wire；And it is provided with for being properly located removable connect Positioning motor (19), switch controller (20) and the voltage water for being responsible for regulation measurement point of the gear of contact element (15) The equipment of flat (21), the equipment can in the case where the operating voltage of measurement point and controller (20) has identical voltage level To be only destined to being directly connected to for controller (20), controller (20) then makes necessary change using its parameter.

3. voltage regulator stabilizer and tap changer pole according to claim 1 without transition reactor Sex reversal switchs, it is characterised in that stabilizer (18) is applied to the secondary windings of distribution transformer.

4. voltage regulator stabilizer and tap changer pole according to claim 3 without transition reactor Sex reversal switchs, it is characterised in that when when single phase distribution transformer (TD) is used together, stabilizer (18) has two secondary Sleeve pipe, its armature winding receives medium voltage network in two input sleeve pipe (H1) and (H2), and its secondary windings passes through it Two output sleeve pipes (X1) and (X2) provide the consumer with appropriate voltage.

5. voltage regulator stabilizer and tap changer pole according to claim 3 without transition reactor Sex reversal switchs, it is characterised in that when being used in conjunction with single phase distribution transformer (TD), stabilizer (18) has three Secondary sleeve pipe, its armature winding receives medium voltage network in two input sleeve pipe (H1) and (H2), and its secondary windings leads to Cross its three output sleeve pipes (X1), (X2) and (X3) and provide the consumer with appropriate voltage, wherein during the secondary windings has The heart bypasses (X2).

6. voltage regulator stabilizer and tap changer pole according to claim 3 without transition reactor Sex reversal switchs, it is characterised in that when being used in conjunction with single phase distribution transformer (TD), stabilizer (18) it is primary around Group receives medium voltage network in two input sleeve pipe (H1) and (H2), and its secondary windings passes through its four output sleeve pipes (X1), (X2), (X3) and (X4) provides the consumer with appropriate voltage, wherein the secondary windings has center by-pass (X2).

7. voltage regulator stabilizer and tap changer pole according to claim 3 without transition reactor Sex reversal switchs, it is characterised in that when being used in conjunction with Three-Phase Distribution Transformers (TD), stabilizer (18) it is primary around Group reception three-phase medium voltage network in triangle connect by its three input sleeve pipes (H1) (H2) and (H3), and its secondary around Group provides the consumer with appropriate voltage by its four output sleeve pipes (X1), (X2), (X3) and (X4), wherein by with center Three-phase secondary windings in the Y-connection on road (X0) serves as three coils.

8. voltage regulator stabilizer and tap changer pole according to claim 1 without transition reactor Sex reversal switchs, it is characterised in that a kind of structural change, wherein stabilizer (18A) are used as the 3rd of reverse winding by introducing Operate coil and reduce output voltage, by being connected on the direction opposite with tap changer, the reverse winding is led It is low to send a telegraph pressure drop, and is further characterized in that, the assembling of component will preferably include medium-voltage line (4), switch controller (20), Excitation variable winding (10), tap changer (11), it is responsible for adjusting the equipment of voltage level (21), reverse winding (22), may move Contact (15), fixed contact therefor (12) and fixed contact therefor (PO).

9. voltage regulator stabilizer and tap changer pole according to claim 8 without transition reactor Sex reversal is switched, it is characterised in that fixed contact therefor (PO) can be selected and caused tap by switch controller (10) Converter (11) bypasses, and medium voltage network (4) goes directly to stabilize power network (16) and only passes through reverse winding (22).

10. voltage regulator stabilizer and tap changer according to claim 1 without transition reactor Polarity-reversing switch, it is characterised in that the reverse winding (22) for being oriented to connect with tap changer (11) by insertion, Stabilizer (18A) causes the reduction for being applied to the voltage of excitation variable winding (10).

11. voltage regulator stabilizer and tap changer according to claim 2 without transition reactor Polarity-reversing switch, it is characterised in that caused by inserting the reverse winding connected with moveable contact circuit (15) The reduction of the voltage applied in whole stabilizer circuit (18).

12. voltage regulator stabilizer and tap changer according to claim 1 without transition reactor Polarity-reversing switch, it is characterised in that the second structural change being made up of stabilizer (18B), it uses and surrounds excitation variable winding (10) Identical iron core winding measuring coil (23).