CN203522194U - Electromagnetic voltage regulator - Google Patents
Electromagnetic voltage regulator Download PDFInfo
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- CN203522194U CN203522194U CN201320291977.4U CN201320291977U CN203522194U CN 203522194 U CN203522194 U CN 203522194U CN 201320291977 U CN201320291977 U CN 201320291977U CN 203522194 U CN203522194 U CN 203522194U
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- regulating device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/30—Reactive power compensation
Abstract
An embodiment of the utility model discloses an electromagnetic voltage regulator with a single-phase voltage regulating mechanism. The single-phase voltage regulating mechanism is any one of an A-phase voltage regulating mechanism, a B-phase voltage regulating mechanism and a C-phase voltage regulating mechanism, wherein the three voltage regulating mechanisms are the same in structure. The single-phase voltage regulating mechanism comprises a first iron core, a second iron core, a first induction winding wound onto the first iron core, a first high-voltage winding, a second sending winding, a second high-voltage winding, a third induction winding wound onto the second iron core, a third high-voltage winding, a fourth induction winding and a fourth high-voltage winding. The electromagnetic voltage regulator has the advantages of safety, high reliability and low cost.
Description
Technical field
The utility model relates to a kind of field of electrical equipment, relates in particular to a kind of electromagnetic voltage adjusting device for electric network reactive compensation, alternating current motor soft start.
Background technology
At present, electrical network, in order to raise the efficiency reduction reactive power, need to be taked reactive power compensator, and the mode that tradition takes electric capacity to add reactor realizes, and having level to drop into has level excision, and compensation effect is poor; If adopt the compensation way of the additional electric capacity of this patent, can realize the electrodeless adjusting of electric network active;
Meanwhile, the soft-start by lowering voltage of high voltage motor, the one, adopt liquid soft starting, its starting performance is influenced by ambient temperature large, and varying environment temperature starting effect is different, and security reliability is low, troublesome maintenance.The 2nd, adopt thyristor soft start, its security reliability is affected by the current-sharing voltage-sharing of thyristor at varying environment temperature, poor stability, and the withstand voltage technology of controllable silicon (particularly high pressure) is a global problem, should not select.The 3rd, traditional magnetic saturation reactor, due to theory structure, because leakage field is large, its controllable property is not high, and DC power supply need to be provided separately, and whole cost of investment is higher.The 4th, self-excitation type solid state soft starting device, its tap is directly extracted from high-tension coil, its security reliability is low, its performance is subject to the influence technique of tap position, also not very ripe, and the portion that the applicant submitted on March 9th, 2010 is about " high-voltage AC motor solid state soft starting device ", application number is 2010201295356, belong to first generation self-excitation type electromagnetic voltage adjusting soft starter device, because operating voltage is all more than volts up to ten thousand, have very large potential safety hazard.
Summary of the invention
Technical problem to be solved in the utility model is, a kind of electromagnetic voltage adjusting device is provided, and has safety, reliability is high, cost is low feature.
In order to solve the problems of the technologies described above, the utility model embodiment provides a kind of electricity consumption DC excitation regulator, comprise single-phase voltage regulating mechanism, described single-phase voltage regulating mechanism is the A phase pressure regulating device that structure is identical, B phase pressure regulating device, any one in C phase pressure regulating device, described single-phase voltage regulating mechanism comprises the first iron core and the second iron core being arranged parallel to each other, be around in the first induction winding of described the first iron core, the first high pressure winding, the second induction winding and the second high pressure winding, be around in the 3rd induction winding of described the second iron core, third high is pressed winding, the 4th induction winding and the 4th high pressure winding,
The middle part of described the first induction winding is provided with the first tap, and end is provided with the 5th tap; First section of described the second induction winding is provided with the second tap; The end of described the 3rd induction winding is provided with the 3rd tap, and the middle part of described the 4th induction winding is provided with the 4th tap, and head end is provided with the 6th tap; Between described the first tap and the second tap, be connected with the first thyristor, and the anode of described the first thyristor is connected with described the first tap, the negative electrode of described the first thyristor is connected with described the second tap; Between described the 3rd tap and the 4th tap, be connected with the second thyristor, and the negative electrode of described the second thyristor is connected with described the 3rd tap, the anode of described the second thyristor is connected with described the 4th tap; Described the 5th tap is connected with diode, and the positive pole of described diode is connected with described the 5th tap, and the negative pole of described diode is connected with described the 3rd tap; Described the 6th tap and described the 5th tap cross-over connection; Described the second tap and described the 3rd tap cross-over connection;
The head end of described the first high pressure winding and third high press the head end of winding to be connected and as the first common port; The end of described the second high pressure winding is connected with the end of the 4th sense high pressure winding and as the second common port; The head end cross-over connection of the end of described the first high pressure winding and described the 4th high pressure winding, the head end of described the second high pressure winding and described third high are pressed the end cross-over connection of winding; The head end of described the first induction winding is connected with the head end of the 3rd induction winding; The end of described the second induction winding is connected with the end of described the 4th induction winding; The head end cross-over connection of the end of described the first induction winding and described the 4th induction winding; The end cross-over connection of the head end of described the second induction winding and described the 3rd induction winding;
Described the first common port is that the A end of A phase pressure regulating device is, any one in the C end of the B end of B phase pressure regulating device, C phase pressure regulating device; Described the second common port is that the X end of A phase pressure regulating device is, any one in the Z end of the Y end of B phase pressure regulating device, C phase pressure regulating device.
For the improvement of technique scheme, comprise three single-phase voltage regulating devices, be specially A phase pressure regulating device, B phase pressure regulating device, C phase pressure regulating device.
For the further improvement of technique scheme, described the first iron core is wound with the 5th winding, and described the second iron core is wound with the 6th winding; The head end cross-over connection of the end of described the 5th winding and the 6th winding.
For the further improvement of technique scheme, described the first iron core and the second iron core are positioned at the framework being comprised of upper yoke, lower yoke and return yoke.
In sum, adopt the technical scheme of electromagnetic voltage adjusting device described in the utility model, by excitation is controlled winding not with high pressure winding on same winding, and on the induction winding increasing, respond to winding is low pressure winding simultaneously, makes in the controllability and the adjustability that guarantee excitation control winding, and has also reduced current potential and the voltage of excitation winding, finally guaranteed that excitation control winding is stable, worked reliably, also improved the fail safe of excitation control winding.The operation principle of described electromagnetic voltage adjusting device is: electromagnetic voltage adjusting device accesses known loop, by adjusting, be connected on induction and exchange the thyristor angle of flow size on tapping, make major loop total magnetic flux require to change according to setting, thereby regulate terminal voltage and the inductance value of electromagnet voltage regulator high pressure winding, thereby the terminal voltage that changes the electrical network idle size of perception or alternating current motor, realizes the object of reconciling electric network reactive-load or alternating current motor soft start.
Implement the utility model embodiment, there is following beneficial effect:
(1) iron core of electromagnetic voltage adjusting device described in the utility model and winding immobilize, and the adjustment of its start-up parameters and control are connected on induction by change and exchange thyristor angle of flow size on winding and realize.Because thyristor is connected on induction winding rather than directly extracts out from high pressure winding, isolated with high pressure.Have good stability, security reliability high, easily produce the feature that cost is low, cost performance is high in batches, setting parameter adjustment is flexible, controllable property is good, compatible strong (can dock with any model high-tension switch cabinet is convenient), automaticity is high, and volume is little, non-maintaining simultaneously.Easy to use, realized the impedance that regulates high-voltage alternating winding with low pressure Small current control;
(2) tap mode is simple and reliable, makes simple;
(3) coupling closely, carries magnetic loop, and leakage field is few, and controllable property is high;
(4) according to field working conditions, the man-machine interface setting on the peripheral Based Intelligent Control of thyristor loop by being connected to good in interactive function is adjusted to optimal parameter, and control method is simple, easy to operate, and equipment debugging maintenance cost is low;
(5) adopt the high reliability circuits for triggering of realizing closed-loop control by intelligent controller, not affected by environmental change, stability is high.
Accompanying drawing explanation
Fig. 1 is the structural representation of electromagnetic voltage adjusting device described in the utility model in embodiment 1;
Fig. 2 is the structural representation of electromagnetic voltage adjusting device described in the utility model in embodiment 2;
Fig. 3 is the structural representation of electromagnetic voltage adjusting device described in the utility model in embodiment 3;
Fig. 4 is the structural representation of electromagnetic voltage adjusting device described in the utility model in embodiment 5.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, the utility model is described in further detail.
Embodiment 1:
As shown in Figure 1, electromagnetic voltage adjusting device described in the utility model, comprise single-phase voltage regulating mechanism 1, wherein said single-phase voltage regulating mechanism is any one in A phase pressure regulating device that structure is identical, B phase pressure regulating device, C phase pressure regulating device, and the electromagnetic voltage adjusting device described in the present embodiment is phase structure, that is to say split-type structural, three-phase is conjugation not, and every loop that has of one's own mutually, becomes separately cabinet, using separately, is the most basic unit.The 3rd induction winding 107, third high that described single-phase voltage regulating mechanism 1 comprises the first iron core 101 and the second iron core 102 being arranged parallel to each other, the first induction winding 103 that is around in described the first iron core 101, the first high pressure winding 104, the second induction winding 105 and the second high pressure winding 106, be around in described second iron core 102 one end are pressed winding 108, the 4th induction winding 109 and the 4th high pressure winding 110.With respect to prior art, compare, increased by four groups of induction windings: the first induction winding 103, the second induction winding 105, the 3rd induction winding 107 and the 4th induction winding 109.
The middle part of described the first induction winding 103 is provided with the first tap 111, and end is provided with the 5th tap 115; First section of described the second induction winding 105 is provided with the second tap 112; The end of described the 3rd induction winding 107 is provided with the 3rd tap 113, and the middle part of described the 4th induction winding 109 is provided with the 4th tap 114, and head end is provided with the 6th tap 116; Between described the first tap 111 and the second tap 112, be connected with the first thyristor 117, and the anode of described the first thyristor 117 is connected with described the first tap 111, the negative electrode of described the first thyristor 117 is connected with described the second tap 112; Between described the 3rd tap 113 and the 4th tap 114, be connected with the second thyristor 118, and the negative electrode of described the second thyristor 118 is connected with described the 3rd tap 113, the anode of described the second thyristor 118 is connected with described the 4th tap 114; Described the 5th tap 115 is connected with diode 119, and described diode 119 plays the effect of afterflow, and its positive pole is connected with described the 5th tap 115, and negative pole is connected with described the 3rd tap 113; Described the 6th tap 116 and described the 5th tap 115 cross-over connections; Described the second tap 112 and described the 3rd tap 113 cross-over connections; The head end cross-over connection of described the first high pressure winding 104 ends and described the 4th high pressure winding 110, the head end of described the second high pressure winding 106 and described third high are pressed the end cross-over connection of winding 108; .Can pass through by adjusting that the first tap 111 is connected the first thyristor 117 with the second tap 112 and the angle of flow of the second thyristor 118 of being connected with the 4th tap 114 by the 3rd tap 113 is big or small, the total magnetic flux of major loop of the circuit of described electromagnetic voltage adjusting device access is changed according to preset requirement, thereby regulate described the first high pressure winding 104, the second high pressure winding 106, third high is pressed terminal voltage and the inductance of winding 108 and the 4th high pressure winding 110, finally make the terminal voltage of the electrical network idle size of perception or alternating current motor, also just realized the object that regulates electric network reactive-load or alternating current motor soft start.
The head end of described the first high pressure winding 104 and third high press the head end of winding 108 to be connected and as the first common port 120; The end of described the second high pressure winding 106 is connected with the end of the 4th sense high pressure winding 110 and as the second common port 121;
The head end cross-over connection of the end of described the first high pressure winding 104 and described the 4th high pressure winding 110, the head end of described the second high pressure winding 106 and described third high are pressed the end cross-over connection of winding 108;
The head end of described the first induction winding 103 is connected with the head end of the 3rd induction winding 107; The end of described the second induction winding 105 is connected with the end of described the 4th induction winding 109; The head end cross-over connection of the end of described the first induction winding 103 and described the 4th induction winding 109; The end cross-over connection of the head end of described the second induction winding 105 and described the 3rd induction winding 107;
Any one in the C end of the A end that described the first common port 120 is A phase pressure regulating device, the B end of B phase pressure regulating device, C phase pressure regulating device; Any one in the Z end of the X end that described the second common port 121 is A phase pressure regulating device, the Y end of B phase pressure regulating device, C phase pressure regulating device.Therefore, described electromagnetic voltage adjusting device, only need be by the first common port 120 and the second common port 121 accesses in place in circuit.
Embodiment 2:
As shown in Figure 2, the present embodiment is on the basis of embodiment 1, to have increased by two windings, at described the first iron core 101, be wound with the 5th winding 121, described the second iron core 102 is wound with the 6th winding 122, and by the head end cross-over connection of the end of described the 5th winding 121 and the 6th winding 122.Described electromagnetic voltage adjusting device adopts this design, makes the harmonic component producing be connected absorption by the 5th single-phase winding 121 with the loop that the 6th winding forms, and played good filter effect, and harmonic pollution is little, lower than national standard.
Embodiment 3:
As shown in Figure 3, the present embodiment is yoke 123 on having increased on the basis of embodiment 1, lower yoke 124 and return yoke 125, described upper yoke 123, lower yoke 124 and return yoke 125 form the framework 126 of a sealing, and described the first iron core 101 and the second iron core 102 are installed in the inner, thereby the first iron core 101 that is and the second iron core 102 form magnetic loop around, and then have avoided leakage field, play magnetic screen and magnetic loop is provided.
Embodiment 4:
The present embodiment is on the basis of embodiment 1, and three single-phase voltage regulating devices 1 are formed to one, forms monolithic construction.
When described electromagnetic voltage adjusting device access electrical network, need compose in parallel reactive power compensation loop with a group capacitor, specifically can adopt following two kinds of connections:
(1) the common port B end of the common port A of A phase pressure regulating device end, B phase pressure regulating device is, the common port C of C phase pressure regulating device holds the three phase mains of corresponding access electrical network respectively, and the common port X end of A phase pressure regulating device, the common port Y of B phase pressure regulating device hold, the common port Z end short circuit of C phase pressure regulating device;
(2) the common port B end of the common port A of A phase pressure regulating device end, B phase pressure regulating device is, the corresponding access of the common port C end difference electrical network three phase mains of C phase pressure regulating device; The common port A end of A phase pressure regulating device and the common port Y end of B phase pressure regulating device are connected simultaneously, the common port B end of B phase pressure regulating device is connected with the common port Z end of C phase pressure regulating device, the common port C end of C phase pressure regulating device is connected with the common port X end of A phase pressure regulating device, i.e. delta connection.
When described electromagnetic voltage adjusting device access electric machine soft starting loop, specifically can adopt following connection:
The common port C end of the common port B end of the common port A end of A phase pressure regulating device and common port X end, B phase pressure regulating device and common port Y end, C phase pressure regulating device and common port Z end, the stator loop of incoming transport motor.
When described electromagnetic voltage adjusting device incoming transport motor circuit, specifically can adopt following three kinds of connections:
(1) described electromagnetic voltage adjusting device is serially connected in the head end of alternating current motor, the common port A end of A phase pressure regulating device, the common port B end of B phase pressure regulating device, the common port C of C phase pressure regulating device hold correspondence respectively to connect three-phase high-voltage power supply, and the common port X end of A phase pressure regulating device, the common port Y end of B phase pressure regulating device, the common port Z of C phase pressure regulating device hold corresponding incoming transport motor;
(2) described electromagnetic voltage adjusting device is serially connected in the end of alternating current motor, the common port A end of A phase pressure regulating device, the common port B end of B phase pressure regulating device, the common port C of C phase pressure regulating device hold correspondence respectively to connect alternating current motor, the common port Z end of the common port X end of A phase pressure regulating device, the common port Y end of B phase pressure regulating device, C phase pressure regulating device) be shorted together.
(3) described electromagnetic voltage adjusting device is serially connected in the end of alternating current motor, and the common port A end of A phase pressure regulating device, the common port B end of B phase pressure regulating device, the common port C of C phase pressure regulating device hold correspondence respectively to connect alternating current motor; The common port A end of A phase pressure regulating device and the common port Y end of B phase mechanism are connected simultaneously, the common port B end of B phase pressure regulating device is connected with the common port Z end of C phase pressure regulating device, the common port C end of C phase pressure regulating device is connected with the common port X end of A phase mechanism, adopt delta connection, this kind of connection is without the 5th winding 121 and the 6th winding 122.
By adjusting the first thyristor, lead the size of 117 and second thyristor 11 angles of flow, adjust the magnetic state of controlling winding the first iron core 101 and the second iron core 102, make its saturation controlled by the first thyristor 117 and second thyristor 118 angles of flow, thereby make the first high pressure winding 104 and the second high pressure winding 106, third high press the induction reactance of winding 108 and the 4th high pressure winding 110 to be subject to the control of the angle of flow size of the first thyristor 117 and the second thyristor 118.
During electromagnet voltage regulator cut-in operation loop, three groups of high pressure windings in corresponding cut-in operation loop, because being subject to the control of direct current size after the conducting of the thyristor angle of flow, its equivalent inductive reactance automatic stepless changes, and the terminal voltage of described electromagnetic voltage adjusting device also changes and can realize electric network reactive compensation or flexible starter for electric motor thereupon.By adjusting the size of the thyristor angle of flow, control the magnetic state of winding iron core, make its saturation controlled by the thyristor angle of flow, thereby make the induction reactance of high-voltage alternating winding be subject to thyristor to the control of angle of flow size.
Embodiment 5:
As shown in Fig. 5 and Tu, the present embodiment is only with embodiment 4 differences: A phase pressure regulating device, B phase pressure regulating device and three groups of Gongshang's yokes 123 of C phase pressure regulating device, lower yoke 124 and return yoke 125, and material saving more, thus also just reduced cost.
Above disclosed is only a kind of preferred embodiment of the utility model, certainly can not limit with this interest field of the utility model, and the equivalent variations of therefore doing according to the utility model claim, still belongs to the scope that the utility model is contained.
Claims (4)
1. an electromagnetic voltage adjusting device, comprises single-phase voltage regulating mechanism (1), and described single-phase voltage regulating mechanism (1) is any one in A phase pressure regulating device that structure is identical, B phase pressure regulating device, C phase pressure regulating device, it is characterized in that:
Described single-phase voltage regulating mechanism (1) comprises the first iron core (101) and the second iron core (102) being arranged parallel to each other, the first induction winding (103) that is around in described the first iron core (101), the first high pressure winding (104), the second induction winding (105) and the second high pressure winding (106), the 3rd induction winding (107) that is around in described the second iron core (102), third high pressure winding (108), the 4th induction winding (109) and the 4th high pressure winding (110);
The middle part of described the first induction winding (103) is provided with the first tap (111), and end is provided with the 5th tap (115); First section of described the second induction winding (105) is provided with the second tap (112); The end of described the 3rd induction winding (107) is provided with the 3rd tap (113), and the middle part of described the 4th induction winding (109) is provided with the 4th tap (114), and head end is provided with the 6th tap (116);
Between described the first tap (111) and the second tap (112), be connected with the first thyristor (117), and the anode of described the first thyristor (117) is connected with described the first tap (111), the negative electrode of described the first thyristor (117) is connected with described the second tap (112);
Between described the 3rd tap (113) and the 4th tap (114), be connected with the second thyristor (118), and the negative electrode of described the second thyristor (118) is connected with described the 3rd tap (113), the anode of described the second thyristor (118) is connected with described the 4th tap (114);
Described the 5th tap (115) is connected with diode (119), and the positive pole of described diode (119) is connected with described the 5th tap (115), and the negative pole of described diode (119) is connected with described the 3rd tap (113); Described the 6th tap (116) and described the 5th tap (115) cross-over connection; Described the second tap (112) and described the 3rd tap (113) cross-over connection;
The head end of described the first high pressure winding (104) and third high press the head end of winding (108) to be connected and as the first common port (120); The end of described the second high pressure winding (106) is connected and as the second common port (121) with the end of the 4th sense high pressure winding (110);
The head end cross-over connection of the end of described the first high pressure winding (104) and described the 4th high pressure winding (110), the head end of described the second high pressure winding (106) and described third high are pressed the end cross-over connection of winding (108);
The head end of described the first induction winding (103) is connected with the head end of the 3rd induction winding (107); The end of described the second induction winding (105) is connected with the end of described the 4th induction winding (109); The head end cross-over connection of the end of described the first induction winding (103) and described the 4th induction winding (109); The end cross-over connection of the head end of described the second induction winding (105) and described the 3rd induction winding (107);
Described the first common port (120) is that the A end of A phase pressure regulating device is, any one in the C end of the B end of B phase pressure regulating device, C phase pressure regulating device;
Described the second common port (121) is that the X end of A phase pressure regulating device is, any one in the Z end of the Y end of B phase pressure regulating device, C phase pressure regulating device.
2. electromagnetic voltage adjusting device according to claim 1, is characterized in that;
Comprise three single-phase voltage regulating devices (1), be specially A phase pressure regulating device, B phase pressure regulating device, C phase pressure regulating device.
3. electromagnetic voltage adjusting device according to claim 1 and 2, is characterized in that:
Described the first iron core (101) is wound with the 5th winding (121), and described the second iron core (102) is wound with the 6th winding (122);
The head end cross-over connection of the end of described the 5th winding (121) and the 6th winding (122).
4. electromagnetic voltage adjusting device according to claim 1 and 2, is characterized in that:
Described the first iron core (101) and the second iron core (102) are positioned at the framework (126) being comprised of upper yoke (123), lower yoke (124) and return yoke (125).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320291977.4U CN203522194U (en) | 2013-05-24 | 2013-05-24 | Electromagnetic voltage regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320291977.4U CN203522194U (en) | 2013-05-24 | 2013-05-24 | Electromagnetic voltage regulator |
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| CN203522194U true CN203522194U (en) | 2014-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320291977.4U Expired - Lifetime CN203522194U (en) | 2013-05-24 | 2013-05-24 | Electromagnetic voltage regulator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103296684A (en) * | 2013-05-24 | 2013-09-11 | 施建权 | Electromagnetic voltage-regulator |
| CN104617820A (en) * | 2015-02-25 | 2015-05-13 | 山东大学 | Motor start saturation reactor |
-
2013
- 2013-05-24 CN CN201320291977.4U patent/CN203522194U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103296684A (en) * | 2013-05-24 | 2013-09-11 | 施建权 | Electromagnetic voltage-regulator |
| CN103296684B (en) * | 2013-05-24 | 2015-12-16 | 施建权 | Electromagnetic voltage-regulator |
| CN104617820A (en) * | 2015-02-25 | 2015-05-13 | 山东大学 | Motor start saturation reactor |
| CN104617820B (en) * | 2015-02-25 | 2017-05-10 | 山东大学 | Motor start saturation reactor |
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Granted publication date: 20140402 Effective date of abandoning: 20151216 |
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