CN1435934A - Stator double-winding internal feedback cascade adjustable-speed high-voltage motor and its adjustable speed control device - Google Patents
Stator double-winding internal feedback cascade adjustable-speed high-voltage motor and its adjustable speed control device Download PDFInfo
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- CN1435934A CN1435934A CN 02109096 CN02109096A CN1435934A CN 1435934 A CN1435934 A CN 1435934A CN 02109096 CN02109096 CN 02109096 CN 02109096 A CN02109096 A CN 02109096A CN 1435934 A CN1435934 A CN 1435934A
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Abstract
A high-voltage motor with internal-feedback dual-winding stator and cascaded speed regulation for large or middle blower or water pump is composed of the high-voltage motor and speed-regulating controller. Said motor has two stator windings: main winding and regulating one to form a transformer relation between them. Said speed-regulating controller is composed of full-bridge rectifier, thyristor inverter, smoothing reactor, digital trigger system of phase-locked loop, programmable controller, compensating capacitor, hollow reactor, thermosensitive varistor, AC contactor, cooling blower, protecting circuit and remote controller. Its advantages are low cost, small size and high energy-saving effect.
Description
Affiliated field;
The invention belongs to mechanical ﹠ electrical technology, specifically a kind of buncher and speed-adjusting and control system thereof, being widely used in energy-conservation is purpose and little to the speed governing area requirement, to the speed governing operation of the not high big-and-middle-sized blower fan water pump of speed governing required precision.
Background technology:
The patent application of China, publication number is that CN1061309A discloses a kind of internal feedback SCR cascade speed control system, this system is the patent tandem control motor of having applied at this inventor and the speed regulating control that designs, this tandem control motor is that winding is housed on stator three times, the number of poles of three windings with around to identical with former limit winding, but lead and parallel branch number are then made different choice according to rotor rated current and motor pole number, not exclusively identical with primary winding, can the contact of magnetic or electricity between two windings.Its speed regulating method is the net end that three windings on the stator is linked to active inverter, forms the inversion depressor secondary voltage in the speed governing of the controllable silicon string utmost point.Regulate duty ratio by the size or the employing chopper inverter circuit that change inverterangle, the additional electromotive force that reflexes in the rotor circuit is changed, but its disclosed content of such scheme can not form complete enforceable scheme, and disclosing of its technology is inadequate.Can't implement.
Technical scheme:
The present invention seeks to disclose a kind of stator double winding internal feedback series speed governing high-tension motor and speed-regulating control device thereof, compare with high-voltage motor frequency control product and to have that cost is low, volume is little, the advantage of good energy-conserving effect, extensively be suitable for with the saves energy be purpose and little to the speed governing area requirement, to the speed governing economical operation of the not high big-and-middle-sized blower fan water pump of speed governing required precision.This motor can derive from from the basis of existing high-tension winding type threephase asynchronous, three circle size constancies of basis motor, the round modular invariance that falls of punching, general stator slot shape needs to change, if each manufacturing batch is little, can the independent punch die of a cast stator, can reduce moulds of industrial equipment as far as possible like this, shorten the process-cycle, reduce cost.
The present invention by stator double winding formula internal feedback series speed governing high-tension motor 1 and with it matching used speed-regulating control device constituted, the stator that it is characterized in that stator double winding formula internal feedback series speed governing high-tension motor has two cover windings, wherein a cover directly connects with high voltage source by high-tension switch cabinet, and this cover stator winding is called main winding; Another set of winding is then for regulating winding.Regulate winding and main winding and constituted the transformer relation, the former limit of the suitable transformer of main winding, the secondary of the suitable transformer of adjusting winding, the induced potential of regulating winding are one of principal elements of decision buncher speed adjustable range.Main winding and adjusting winding embed with groove, regulate winding and can place at the bottom of the stator slot or notch, regulate the insulation of winding and handle according to the rated voltage of regulating winding.The wiring of main winding connects by common winding-type motor, but the wiring of adjusting winding is identical with the main winding phase sequence, generally is connected into Y/ Δ-11.The internal feedback series speed governing control device mainly is made up of diode full-bridge rectification bridge ZP, thyristor inverter bridge KP, smoothing reactor L, phase-locked loop numeral triggering system CF, programmable controller PLC, compensation condenser C, air core reactor LK, frequency sensitive trheostat BP, A.C. contactor KM, cooling blower FM, protective circuit, remote control device etc.Diode full-bridge rectification bridge 7 is ZP:, be used for voltage is all become direct current with the rotor AC rectification of rotation speed change with frequency.Thyristor inverter bridge 8 is KP:, be used for dc inverter is become the alternating current of 50Hz, the adjusting winding that feeds back to motor is done useful work.Smoothing reactor 9 is L:, play flat ripple and afterflow effect.Phase-locked loop numeral triggering system 2 is CF:, be used for providing reliable trigger impulse to thyristor, be adjustable speed by the trigger angle of controlling trigger impulse.Have the analog regulation function in this triggering system, can realize the closed-loop control of 4-20mA analog signal.Programmable controller 3 is PLC:, be used for the logic control of system.Compensation condenser 4 is C:, be used to regulate the reactive power of winding side local compensation system, and cooperate with the air core reactor parameter and to form the filter effect, the filtering harmonic wave reduces harmonic pollution effectively.Air core reactor 6 is LK:, what produce when being used to suppress the compensation condenser combined floodgate shoves, and cooperates the effect of formation filter with the compensation condenser parameter, and the filtering harmonic wave reduces harmonic pollution effectively.Frequency sensitive trheostat 10 is BP:, be used for the startup of winding motors, have the advantages that starting current is little, detent torque is big.A.C. contactor 11 is that KM2, A.C. contactor 12 are that KM3, A.C. contactor 13 are KM4:, accept the control of PLC, be used to control buncher startup, speed governing operation, full speed running.Difference frequency velocity metre DFM is 5: by gathering main winding supply frequency and rotor supply frequency, carry out difference frequency then and measure rotating speed of motor, this table can be installed on the control cubicle or on the remote control device, advantage: do not get in touch with the rotating part of motor, the frequency collection of rotor is all finished in speed regulating device inside.
Also comprise protective circuit: the protection, the remote control device that are used for system: be used to realize distant place control, cooling blower FM:, be used to power semiconductor device that cooling is provided.
Description of drawings:
Fig. 1 is an internal feedback series speed governing control device block diagram of the present invention;
Fig. 2 is motor stator winding construction figure of the present invention;
Fig. 3 is an embodiment of the invention circuit diagram A portion;
Fig. 4 is an embodiment of the invention circuit diagram B portion;
Fig. 5 is an embodiment of the invention circuit diagram C portion;
Fig. 6 is an embodiment of the invention circuit diagram D portion.
14 is that vacuum switch, 15 is power supply among Fig. 1.16 is stator slot heelpiece bar among Fig. 1; 17 for regulating the winding inner coil; 18 for regulating filler strip between winding layers; 19 is slot wedge; 20 for regulating the winding upper coil; 21 is filler strip between main winding and adjusting winding; 22 is the main winding inner coil; 23 is main winding interlayer filler strip; 24 is the main winding upper coil;
Specific embodiments:
As shown in Figure 3, the speed control principle of internal feedback series speed governing motor belongs to the theoretical category that the additional electromotive force of Wound induction motor rotor string carries out speed governing, the electromotive force that this additional electromotive force is come from the main winding induction by the adjusting winding is provided, this electromotive force is sealed in the rotor winding of motor by converter system, change its size that seals in electromotive force and can realize speed governing, regulate the slip power that winding absorbs rotor simultaneously, and the torque that drags by interact producing forward with the rotor rotating magnetic field, this just makes motor reduce from the active power that electrical network absorbs, and reaches the purpose of variable speed energy saving.
The operation principle of difference frequency velocity metre:
Wherein: n: motor speed;
N0: the synchronous speed of motor;
S: motor slip ratio;
P: motor number of pole-pairs;
F1: motor stator supply frequency;
F2: rotor supply frequency;
Claims (1)
1. stator double winding formula internal feedback series speed governing high-tension motor and speed-regulating control device thereof, by stator double winding formula internal feedback series speed governing high-tension motor (1) and with it matching used speed-regulating control device constituted, the stator that it is characterized in that stator double winding formula internal feedback series speed governing high-tension motor has two cover windings, wherein a cover directly connects with high voltage source by high-tension switch cabinet, and this cover stator winding is called main winding; Another set of winding is then for regulating winding, regulate winding and main winding and constituted the transformer relation, the former limit of the suitable transformer of main winding, regulate the secondary of the suitable transformer of winding, the induced potential of regulating winding is one of principal element of decision buncher speed adjustable range, main winding and adjusting winding embed with groove, regulating winding can place at the bottom of the stator slot or notch, regulating the insulation of winding handles according to the rated voltage of regulating winding, the wiring of main winding connects by common winding-type motor, but the wiring of regulating winding is identical with the main winding phase sequence, generally be connected into the Y/ Δ, the internal feedback series speed governing control device is mainly by diode full-bridge rectification bridge ZP, thyristor inverter bridge KP, smoothing reactor L, phase-locked loop numeral triggering system CF, programmable controller PLC, compensation condenser C, air core reactor LK, frequency sensitive trheostat BP, A.C. contactor KM, cooling blower FM, protective circuit, compositions such as remote control device; Diode full-bridge rectification bridge (7) is ZP:, be used for voltage is all become direct current with the rotor AC rectification of rotation speed change with frequency; Thyristor inverter bridge (8) is KP:, be used for dc inverter is become the alternating current of 50Hz, the adjusting winding that feeds back to motor is done useful work; Smoothing reactor (9) is L:, play flat ripple and afterflow effect; Phase-locked loop numeral triggering system (2) is CF:, be used for providing reliable trigger impulse to thyristor, be adjustable speed by the trigger angle of controlling trigger impulse; Have the analog regulation function in this triggering system, can realize the closed-loop control of 4-20mA analog signal; Programmable controller (3) is PLC:, be used for the logic control of system; Compensation condenser (4) is C:, be used to regulate the reactive power of winding side local compensation system, and cooperate with the air core reactor parameter and to form the filter effect, filtering harmonic wave effectively, reduce harmonic pollution: air core reactor (6) is LK:, what produce when being used to suppress the compensation condenser combined floodgate shoves, and cooperates the effect of formation filter with the compensation condenser parameter, the filtering harmonic wave reduces harmonic pollution effectively; Frequency sensitive trheostat (10) is BP:, be used for the startup of winding motors, have the advantages that starting current is little, detent torque is big; A.C. contactor (11) is that KM2, A.C. contactor (12) are that KM3, A.C. contactor (13) are KM4:, accept the control of PLC, be used to control buncher startup, speed governing operation, full speed running; Difference frequency velocity metre DFM i.e. (5): by gathering main winding supply frequency and rotor supply frequency, carry out difference frequency then and measure rotating speed of motor, the frequency collection of rotor is all finished in speed regulating device inside; Also comprise protective circuit: the protection, the remote control device that are used for system: be used to realize distant place control, cooling blower FM:, be used to power semiconductor device that cooling is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02109096 CN1435934A (en) | 2002-01-28 | 2002-01-28 | Stator double-winding internal feedback cascade adjustable-speed high-voltage motor and its adjustable speed control device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02109096 CN1435934A (en) | 2002-01-28 | 2002-01-28 | Stator double-winding internal feedback cascade adjustable-speed high-voltage motor and its adjustable speed control device |
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| CN1435934A true CN1435934A (en) | 2003-08-13 |
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| CN 02109096 Pending CN1435934A (en) | 2002-01-28 | 2002-01-28 | Stator double-winding internal feedback cascade adjustable-speed high-voltage motor and its adjustable speed control device |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100376078C (en) * | 2005-11-24 | 2008-03-19 | 哈尔滨工业大学 | High performance variable frequency speed regulation electric machine |
| CN101860155A (en) * | 2010-07-09 | 2010-10-13 | 福建福安闽东亚南电机有限公司 | Permanent magnet digital frequency conversion single-phase double-voltage generator |
| CN102044924A (en) * | 2010-11-26 | 2011-05-04 | 山东电力研究院 | Internal double-feed wind-driven generator |
| CN107800266A (en) * | 2017-11-01 | 2018-03-13 | 山东洁盟节能环保技术有限公司 | A kind of permanent-magnet speed governor of fixed magnetic gap |
| CN107834807A (en) * | 2017-11-01 | 2018-03-23 | 山东洁盟节能环保技术有限公司 | A kind of permanent-magnet speed governor of fixed magnetic gap |
| CN107863870A (en) * | 2017-11-01 | 2018-03-30 | 山东洁盟节能环保技术有限公司 | A kind of permanent-magnet speed governor of fixed magnetic gap |
| CN107872142A (en) * | 2017-11-01 | 2018-04-03 | 山东洁盟节能环保技术有限公司 | A kind of permanent-magnet speed governor of fixed magnetic gap |
| CN107888051A (en) * | 2017-11-01 | 2018-04-06 | 山东洁盟节能环保技术有限公司 | A kind of permanent-magnet speed governor of fixed magnetic gap |
| CN107888049A (en) * | 2017-11-01 | 2018-04-06 | 山东洁盟节能环保技术有限公司 | A kind of permanent-magnet speed governor of fixed magnetic gap |
| CN108011492A (en) * | 2017-11-01 | 2018-05-08 | 山东洁盟节能环保技术有限公司 | A kind of permanent-magnet speed governor of fixed magnetic gap |
| CN109001566A (en) * | 2018-06-29 | 2018-12-14 | 国网河南省电力公司襄城县供电公司 | A kind of intelligent warning board for transformer substations |
| CN109494907A (en) * | 2017-09-30 | 2019-03-19 | 大连电机集团永磁电机应用技术研究所有限公司 | Permasyn morot |
| CN113765456A (en) * | 2021-08-24 | 2021-12-07 | 江苏大学 | Novel voltage stabilization control method for double three-phase permanent magnet synchronous generator |
-
2002
- 2002-01-28 CN CN 02109096 patent/CN1435934A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100376078C (en) * | 2005-11-24 | 2008-03-19 | 哈尔滨工业大学 | High performance variable frequency speed regulation electric machine |
| CN101860155A (en) * | 2010-07-09 | 2010-10-13 | 福建福安闽东亚南电机有限公司 | Permanent magnet digital frequency conversion single-phase double-voltage generator |
| CN101860155B (en) * | 2010-07-09 | 2012-02-15 | 福建福安闽东亚南电机有限公司 | Permanent magnet digital frequency conversion single-phase double-voltage generator |
| CN102044924A (en) * | 2010-11-26 | 2011-05-04 | 山东电力研究院 | Internal double-feed wind-driven generator |
| CN109494907A (en) * | 2017-09-30 | 2019-03-19 | 大连电机集团永磁电机应用技术研究所有限公司 | Permasyn morot |
| CN107800266A (en) * | 2017-11-01 | 2018-03-13 | 山东洁盟节能环保技术有限公司 | A kind of permanent-magnet speed governor of fixed magnetic gap |
| CN107863870A (en) * | 2017-11-01 | 2018-03-30 | 山东洁盟节能环保技术有限公司 | A kind of permanent-magnet speed governor of fixed magnetic gap |
| CN107872142A (en) * | 2017-11-01 | 2018-04-03 | 山东洁盟节能环保技术有限公司 | A kind of permanent-magnet speed governor of fixed magnetic gap |
| CN107888051A (en) * | 2017-11-01 | 2018-04-06 | 山东洁盟节能环保技术有限公司 | A kind of permanent-magnet speed governor of fixed magnetic gap |
| CN107888049A (en) * | 2017-11-01 | 2018-04-06 | 山东洁盟节能环保技术有限公司 | A kind of permanent-magnet speed governor of fixed magnetic gap |
| CN108011492A (en) * | 2017-11-01 | 2018-05-08 | 山东洁盟节能环保技术有限公司 | A kind of permanent-magnet speed governor of fixed magnetic gap |
| CN107834807A (en) * | 2017-11-01 | 2018-03-23 | 山东洁盟节能环保技术有限公司 | A kind of permanent-magnet speed governor of fixed magnetic gap |
| CN109001566A (en) * | 2018-06-29 | 2018-12-14 | 国网河南省电力公司襄城县供电公司 | A kind of intelligent warning board for transformer substations |
| CN109001566B (en) * | 2018-06-29 | 2020-07-31 | 国网河南省电力公司襄城县供电公司 | Intelligent warning board for transformer substation |
| CN113765456A (en) * | 2021-08-24 | 2021-12-07 | 江苏大学 | Novel voltage stabilization control method for double three-phase permanent magnet synchronous generator |
| CN113765456B (en) * | 2021-08-24 | 2023-08-22 | 江苏大学 | Voltage stabilizing control method for double three-phase permanent magnet synchronous generator |
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