CN205092682U - Generator that can be incorporated into power networks for a long time - Google Patents
Generator that can be incorporated into power networks for a long time Download PDFInfo
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- CN205092682U CN205092682U CN201520750201.3U CN201520750201U CN205092682U CN 205092682 U CN205092682 U CN 205092682U CN 201520750201 U CN201520750201 U CN 201520750201U CN 205092682 U CN205092682 U CN 205092682U
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Abstract
The utility model discloses a generator that can be incorporated into power networks for a long time, generator electromagnetism design has adopted the H level insulating, the F stage temperature rise, electromechanical close, the line load of electricity generation, the close parameter of magnetism are lower than general generator value, adaptable generating set's long -time running operating mode, the generator adopts automatic digital voltage regulator, and the no distribution of work is equitable, adopted three -phase voltage detecting, the voltage control precision is high, and output voltage's stable state voltage regulation <= 0.5%, non -loaded line voltage waveform distortion <= 3% can satisfy generating set's the requirement of being incorporated into the power networks, the generator adopts hexapole integral rotor towards piece, and rotational speed 1000rmin, frame have adopted the round structure of big span footing, and be small, and the operation is stable. Can satisfy generating set's vibration requirement, the utility model has the advantages that: the generator temperature rise is low, and the voltage control precision is high, can be incorporated into the power networks for a long time, and is small, the operation is stable, vibrates for a short time, and the sexual valence relative altitude is particularly suitable for the big -and -middle -sized generating set who is incorporated into the power networks for a long time.
Description
Technical field
The utility model relates to a kind of generator, particularly relates to a kind of generator that can be incorporated into the power networks for a long time.
Background technology
Conventional generator is generally used for oil-fired power generating unit, can be used for the heat light and power transmission etc. of mine or boats and ships etc., and its Electromagnetic Design adopts universal design, and electricity is close, the close parameter of specific electric load, magnetic is got close to saturation value or limit value.As generating set long-time running, the probability of load changing can strengthen, and greatly, generator windings is easily burnt in generator temperature rise change.
What general generator adopted is analog voltage adjuster, and compare Digital Voltage Regulator, degree of regulation is low, and idle maldistribution time grid-connected, is unfavorable for being incorporated into the power networks of generating set.
What general large and medium generator adopted is square support, and volume is large, Heavy Weight, therefore cost is high, and conventional electric generators is 4 poles, and rotating speed is 1500r/min, with all slightly larger with vibration than the volume of 6 pole generators under condition.
In order to the requirement of the generating set that satisfied need are incorporated into the power networks for a long time, need the Electromagnetic Design of generator, voltage-regulation, structural design aspect to meet its requirement.
Summary of the invention
A kind of generator that can be incorporated into the power networks for a long time of the purpose of this utility model, this generator temperature rise is low, employing automatic digital voltage regulator, and volume is little, lightweight, and stable vibration is little, and cost performance is high, is particularly suitable for the big-and-middle-sized generator be incorporated into the power networks for a long time.
The utility model realizes like this, the generator that can be incorporated into the power networks for a long time, mainly comprises protecgulum, support, triple-frequency harmonics winding, stator core, rotor core, casing in conjunction with group, exciter stator iron core, rear end cap, rear bearing, exciter rotor, main shaft, cast aluminium fan, axle sleeve, connection shell fragment and automatic digital voltage regulator; The rear end of front end housing is connected with the front end of support and fixes with bolt, in stator core press-in support, is furnished with third harmonic excitation winding in stator core; Axle sleeve, cast aluminium fan, rotor core, rear bearing, exciter rotor are contained on main shaft respectively, and rotate with spindle synchronous; Exciter stator iron core is fixed in rear end cap, and rear end cap 8 is connected with the rear end of support 2 and fixes with bolt; Connection shell fragment is contained on axle sleeve, and the front end of protecgulum is connected with oil machine, and connection shell fragment is connected with oil machine; Casing combines the top being assembled in support; Digital Voltage Regulator is arranged on casing in conjunction with in group; It is characterized in that: during engine electromagnet design, have employed H class F insulation, F stage temperature rise limit value; Generator adopts automatic digital voltage regulator; Generator adopts sextupole integral rotor-piece, and rotating speed 1000r/min, support have employed large span footing round structure.
Rotor core described in the utility model is formed by the sextupole salient pole integrate rotor punching pressure that changes; Rotor coil is directly wound in rotor core, and fixes with aluminium bracer; Rotor coil ends adopts 2 8mm air channels.
Technique effect of the present utility model is: (1) this generator have employed H class F insulation when Electromagnetic Design, F stage temperature rise limit value, generating is dynamo-electric close, the close parameter of specific electric load, magnetic is lower than universal generator value, so the temperature rise of generator is low, when generating set long-time running, the probability of load changing can strengthen, and greatly, the Electromagnetic Design scheme of this generator well ensure that the useful life of generator windings in generator temperature rise change; (2) this generator adopts automatic digital voltage regulator, the state-of-the-art microprocessing that this type of adjuster adopts and IGBT semiconductor technology, have the following advantages: reasonable without the distribution of work, adjusts difference to compensate (VDC) by voltage, without the idle distribution of pressure drop, assignment accuracy is high; Dynamic property is good, has adopted detecting voltage by three phase, voltage regulation accuracy, load when changing, voltage settling time is short; Non-linear load capacity is strong.When generator needs to carry out grid-connected work, adopt Digital Voltage Regulator can well meet grid-connected job requirement.(3) this generator adopts sextupole integral rotor-piece, rotating speed 1000r/min, with all slightly less with vibration than the volume of 4 pole generators under condition, this generator pit have employed large span footing round structure, the generator that is incorporated into the power networks for a long time mostly is large and medium generator, and what support adopted is square structure, and volume is large, Heavy Weight, large span footing round structure support just can address this problem.
Accompanying drawing explanation
Fig. 1 is structural front view of the present utility model.
Fig. 2 is structure left view of the present utility model.
Fig. 3 is rotor windings schematic diagram of the present utility model.
A () is rotor windings front view, (b) is rotor windings left view.
Fig. 4 is rotor punching structure schematic diagram of the present utility model.
Fig. 5 is stand structure schematic diagram of the present utility model.
A () is support front view, (b) is support left view.
Fig. 6 is Digital Voltage Regulator schematic diagram of the present utility model.
In the drawings: 1 protecgulum, 2 supports, 3 triple-frequency harmonics windings, 4 stator cores, 5 rotor cores, 6 casings are in conjunction with group, and 7 exciter stators are unshakable in one's determination, 8 rear end caps, 9 rear bearings, 10 exciter rotors, 11 main shafts, 12 cast aluminium fans, 13 axle sleeves, 14 connection shell fragments, 15 rotor punchings, 16 rotor coils, 17 aluminium bracers, 18 air channels, 19 automatic digital voltage regulators.
Embodiment
Illustrate below in conjunction with accompanying drawing and be described in further detail embodiment of the present utility model, but the present embodiment is not limited to the utility model, every employing analog structure of the present utility model and similar change thereof, all should list protection range of the present utility model in.
As Figure 1-Figure 5, the utility model comes work and enforcement like this, the generator that can be incorporated into the power networks for a long time, mainly comprises protecgulum 1, support 2, triple-frequency harmonics winding 3, stator core 4, rotor core 5, casing in conjunction with group 6, exciter stator iron core 7, rear end cap 8, rear bearing 9, exciter rotor 10, main shaft 11, cast aluminium fan 12, axle sleeve 13, connection shell fragment 14 and automatic digital voltage regulator 19; The rear end of front end housing 1 is connected with the front end of support 2 and fixes with bolt, and stator core 4 is pressed in support 2, is furnished with third harmonic excitation winding 3 in stator core 4; Axle sleeve 13, cast aluminium fan 12, rotor core 5, rear bearing 9, exciter rotor 10 are contained on main shaft 11 respectively, and with main shaft 11 synchronous rotary; Exciter stator iron core 7 is fixed in rear end cap 8, and rear end cap 8 is connected with the rear end of support 2 and fixes with bolt; Connection shell fragment 14 is contained on axle sleeve 13, and the front end of protecgulum 1 is connected with oil machine, and user is connected with oil machine with connection shell fragment 14, thus drives generator; Casing is contained in the top of support 2 in conjunction with group 6; Digital Voltage Regulator 19 is arranged on casing in conjunction with in group 6; It is characterized in that: during engine electromagnet design, have employed H class F insulation, F stage temperature rise limit value; Generator adopts automatic digital voltage regulator; Generator adopts sextupole integral rotor-piece, and rotating speed 1000r/min, support have employed large span footing round structure.
Its generator amature part is implemented as shown in Figure 2; Rotor core 5 is formed by sextupole salient pole integrate rotor punching 15 pressure that changes; Rotor coil 16 is directly wound in rotor core 5, and fixes with aluminium bracer 17; Rotor coil ends adopts 2 8mm air channels 18.
Generator described in the utility model have employed H class F insulation when Electromagnetic Design, F stage temperature rise limit value, and generating is dynamo-electric close, the close parameter of specific electric load, magnetic is lower than universal generator value, can adapt to the long-time running operating mode of generating set; Therefore its major parameter value is as following table:
| Design parameter | Universal design value | This generator value |
| Stator electricity close (A/mm^2) | 8~10 | 7.5 |
| Specific electric load (A/cm) | 550~650 | 485 |
| Air gap flux density (T) | 0.85~0.95 | 0.72 |
| Stator temperature rise (K) | 105~115 | 92.5 |
| Rotor temperature rise (K) | 105~115 | 95.5 |
Generator adopts automatic digital voltage regulator, reasonable without the distribution of work; Adopted detecting voltage by three phase, voltage regulation accuracy is high, steady state voltage regulation≤± 0.5% of output voltage, and non-loaded line voltage-form distortion rate≤3% can meet the grid-connected requirement of generating set.
Generator adopts sextupole integral rotor-piece, and rotating speed 1000r/min, support have employed large span footing round structure, and volume is little, stable, can meet the vibration requirement of generating set.
Claims (2)
1. the generator that can be incorporated into the power networks for a long time, mainly comprises protecgulum, support, triple-frequency harmonics winding, stator core, rotor core, casing in conjunction with group, exciter stator iron core, rear end cap, rear bearing, exciter rotor, main shaft, cast aluminium fan, axle sleeve, connection shell fragment and automatic digital voltage regulator; The rear end of front end housing is connected with the front end of support and fixes with bolt, in stator core press-in support, is furnished with third harmonic excitation winding in stator core; Axle sleeve, cast aluminium fan, rotor core, rear bearing, exciter rotor are contained on main shaft respectively, and rotate with spindle synchronous; Exciter stator iron core is fixed in rear end cap, and rear end cap (8) is connected with the rear end of support (2) and fixes with bolt; Connection shell fragment is contained on axle sleeve, and the front end of protecgulum is connected with oil machine, and connection shell fragment is connected with oil machine; Casing combines the top being assembled in support; Digital Voltage Regulator is arranged on casing in conjunction with in group; It is characterized in that: during engine electromagnet design, have employed H class F insulation, F stage temperature rise limit value; Generator adopts automatic digital voltage regulator; Generator adopts sextupole integral rotor-piece, and rotating speed 1000r/min, support have employed large span footing round structure.
2. a kind of generator that can be incorporated into the power networks for a long time according to claim 1, is characterized in that: described rotor core is formed by the sextupole salient pole integrate rotor punching pressure that changes; Rotor coil is directly wound in rotor core, and fixes with aluminium bracer; Rotor coil ends adopts 2 8mm air channels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520750201.3U CN205092682U (en) | 2015-09-25 | 2015-09-25 | Generator that can be incorporated into power networks for a long time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520750201.3U CN205092682U (en) | 2015-09-25 | 2015-09-25 | Generator that can be incorporated into power networks for a long time |
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| Publication Number | Publication Date |
|---|---|
| CN205092682U true CN205092682U (en) | 2016-03-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520750201.3U Active CN205092682U (en) | 2015-09-25 | 2015-09-25 | Generator that can be incorporated into power networks for a long time |
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| CN (1) | CN205092682U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105281467A (en) * | 2015-09-25 | 2016-01-27 | 南昌康富科技股份有限公司 | Generator capable of long-term grid-connected operation |
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2015
- 2015-09-25 CN CN201520750201.3U patent/CN205092682U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105281467A (en) * | 2015-09-25 | 2016-01-27 | 南昌康富科技股份有限公司 | Generator capable of long-term grid-connected operation |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 3088 No. 330000 Jiangxi Province Ziyang Nanchang high tech Development Zone Avenue Patentee after: Fu Fu Polytron Technologies Inc Address before: 3088 No. 330000 Jiangxi Province Ziyang Nanchang high tech Development Zone Avenue Patentee before: NANCHANG KANGFU GENERATOR TECHNOLOGY CO., LTD. |