CN202166728U - Test system for generator - Google Patents
Test system for generator Download PDFInfo
- Publication number
- CN202166728U CN202166728U CN2011202307887U CN201120230788U CN202166728U CN 202166728 U CN202166728 U CN 202166728U CN 2011202307887 U CN2011202307887 U CN 2011202307887U CN 201120230788 U CN201120230788 U CN 201120230788U CN 202166728 U CN202166728 U CN 202166728U
- Authority
- CN
- China
- Prior art keywords
- motor
- generator
- test
- direct current
- load
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model provides a test system for a generator, comprising a control unit, a test unit, a tested motor, a DC (direct current) motor and a DC motor drive unit. The test system is characterized in that: the test system also comprises a load motor, wherein the tested motor, the load motor and the DC motor are connected coaxially; the output of the tested motor is connected with the input of the load motor so as to provide electric energy input for the load motor; the DC motor drive unit is connected with the DC motor for driving the DC motor; the test unit is connected with the tested motor for testing the parameters of the tested motor; and the control unit is used for sending a control signal to the DC motor drive unit for controlling operation of the DC motor. The test system for a generator provided by the utility model uses a power feedback method to transmit the electric energy generated by the tested generator during the test process to the loaded motor of the tested generator, thus becoming more environmentally friendly, simplifying system configuration, reducing the failure rate, improving the accuracy for the test, reducing the test cost and enhancing business competitiveness.
Description
Technical field
The utility model relates to the generator test system, particularly adopts the generator test system of power back off method, wherein, need not to adopt independent resistance or imaginary loading.
Background technology
Various generators all need pass through narrow examination and test before dispatching from the factory; To guarantee that it meets various standards; For example GB 755-2000 electric rotating machine basic fundamental requires (corresponding IEC 60092 marine electric machines), GB/T 1029-2005 three-phase synchronous motor test method (corresponding IEC 60034; TOCT 11828 foreign standards such as grade) and GB/T 1029-91 marine generator general technical specifications, or the like.And, because the uniqueness of some generators, for example aerogenerator, marine generator etc., they are after putting into operation, in case owing to potential problem causes and can't work, then safeguard very difficulty, therefore, it is particularly important that the dispatching from the factory of generator tested.
Therefore, there is a large amount of generator product tests in the reality.And, along with the continuous propelling of using, the also increasing generator of emergent power.In the prior art, to the test of high-power generator and be not easy, need to adopt quite large-scale equipment to drive by the examination generator, this has increased the difficulty of test.Traditional method is tried generator for electricity generation with an enough powerful prime mover driven; The electric energy that sends is through making heaters such as the resistance wire heating as load; Form with heat energy loses, and has consumed a large amount of energy (as: fuel oil, electric energy etc.) in the whole process, and the electric energy of output also has been wasted; Be unfavorable for energy-conserving and environment-protective, also increased the production cost of enterprise.And, tried generator and need be connected independent load, also complicated on equipment connects.
The utility model content
To the above technical matters that exists in the prior art; The utility model provides a kind of generator test system; This system adopts the power back off method, will extremely be tried the motor of the load of generator as this by the power delivery that the examination generator produces in test process, and this motor can drive by the examination generator; Thereby make full use of the electric energy that is produced by the examination generator, environmental protection more; And avoid adopting independent load as by the load of examination motor, and simplify system's composition, thereby also reduced failure rate, improved test accuracy; Improved work efficiency, and operation is simple and reliable; Reduce testing cost, strengthened enterprise competitiveness.
For realizing above purpose, the technical scheme of the utility model is following.
A kind of generator test system comprises: control module, and detecting unit try motor, and direct current generator and direct current generator driver element also comprise load motor, are wherein tried motor, load motor is connected with direct current generator is coaxial; Be connected with the input of load motor load motor is provided the electric energy input by the output of examination motor; The direct current generator driver element is connected with direct current generator, is used to drive this direct current generator; Detecting unit is connected with quilt examination motor, is used to detect the parameter by the examination motor; Control module is used for transmitting control signal to the direct current generator driver element, with the running of control direct current generator.
Preferably, said load motor also is used to by the examination motor exciting current is provided, and control module also is used to control the size of this exciting current.
Preferably, control module receives the parameter that detection arrives, according to this parameter adjustment control operation.
Preferably, this generator test system also comprises lifting table, be used for according to being regulated the height of test system and test platform by the height of examination motor, and this test board also can carry out the left-right and front-back translation, is connected with load motor smoothly thereby make by the examination motor.
Preferably, said is the 1500KW synchronous generator by the examination motor.
Preferably, this generator test system also comprises output device, is used to export the parameter that detection arrives.
Therefore, in said structure, adopt the direct feedback transmitter regenerative power of two motors; Used electrical equipment is less, also is easier to realize, and is expensive less; The highly versatile of equipment is regulated and is tested load motor and direct current generator through control module, and it is convenient to realize.
Description of drawings
According to embodiment and accompanying drawing disclosed technical scheme in the utility model is elaborated below.
Fig. 1 is the synoptic diagram of the generator test system in the utility model.
Embodiment
With reference to the accompanying drawings, in conjunction with the specific embodiment of the utility model, the generator test system that proposes in the utility model is specifically described.This embodiment only is used to be convenient to explain the technical scheme of the utility model; But the detail that wherein provides as an example is not the technical scheme that is used to limit the utility model; On the contrary, those skilled in the art can adopt different modification to realize according to the disclosed content of the utility model.
As shown in Figure 1, the generator test system that proposes in the utility model mainly comprises: control module, and detecting unit is tried motor, load motor, direct current generator and direct current generator driver element; Wherein, motor, load motor and direct current generator are coaxial to be connected by being tried; The output that is tried motor is connected with the input of load motor thinks that load motor provides the electric energy input; The direct current generator driver element is connected with direct current generator, is used to drive this direct current generator; Detecting unit is connected with quilt examination motor, is used to detect the parameter by the examination motor; Control module is used for transmitting control signal to the direct current generator driver element, with the running (for example rotating speed, duration of runs or the like) of control direct current generator.
Preferably, load motor also is used to by the examination motor exciting current is provided, and control module also is used to control the size of this exciting current.
Preferably, control module receives the parameter that detection arrives, according to this parameter adjustment control operation.
In said structure, adopt the direct feedback transmitter regenerative power of two motors, used electrical equipment is less, also is easier to realize, and expensive less, the highly versatile of equipment is regulated and is tested load motor and direct current generator through control module, and it is convenient to realize.
Particularly, when the test beginning, control module control direct current generator driver element drives direct current generator, drags by examination motor and load motor running.The rotating speed of this direct current generator can for example be controlled the rotating speed of direct current generator by the control of direct current generator driver element through the armature supply of regulating this direct current generator, certainly, also can regulate the rotating speed of direct current generator through alternate manner of the prior art.Therefore, this direct current generator is as governing system, and speed-regulating range width can be used for adjusting the rotating speed by examination motor and load motor.And in dc motor drive, can be equipped with filter, noise is little, and good energy-saving effect is arranged.Afterwards, owing to being produced electric energy by the examination motor as generator operation, the electric energy that is produced feeds back to load motor again, drives load motor as motor operation.So when this test macro ran well, direct current generator only needed the mechanical loss of compensating test system, greatly reduces the required energy consumption of generator test.
In a preferred embodiment, load motor drives an exciter or is furnished with field copper, thereby produces exciting current, is tried the output power of motor through this exciting current control.And control module can be controlled this exciting current through known method, and then control is by the output power of examination motor.For example, synchronous motor has a leading merit angle during as generator operation, and when moving as motor, the merit angle of a hysteresis is arranged.If by the examination motor when being connected with positive coupling with load motor, make between their rotor at an angle, then tried motor as generator operation and load motor moves as motor, at this moment, two motor merit angle sums equal coupling angle.Regulate the load that the excitatory of these two motors or coupling angle can change two motors.
Therefore, the generator test system that provides in the utility model has very big dirigibility, can adjust the rotating speed of direct current generator as required; Adjustment is by the output power of examination motor; Therefore the load size of adjustment load motor, can realize known various parameter testings; Comprise: the phase voltage of generator, line voltage, electric current, active power, reactive power, applied power, power factor, frequency, field voltage, basic parameters such as exciting current.Can carry out various required test items or experimental project, comprise: 1) voltage regulator adjustment; 2) temperature rise test; 3) excitation temperature rise test; 4) stable state pressure regulation rate; 5) transient state pressure regulation rate; 6) hot excess current test; 7) boosted voltage test in short-term; 8) overload test; 9) overspeed test; 10) phase sequence inspection; 11) balance of voltage degree inspection; 12) current balance type degree inspection; 13) remanent magnetism voltage; 14) voltage overload test; 15) irregularity of wave form.
Load motor about this generator test system is regulated, and can adopt the stator electrical angle of worm and gear regulating load motor, realizes the load current of load motor and/or the adjusting of power factor.
This generator performance test macro can be used for the test of the electricity characteristic of various threephase alternators.Control module wherein can combine the multifunctional high speed data acquisition system (DAS) to provide fast for the user, and accurately, measurement result can satisfy the requirement of test of generator pattern and delivery test reliably.
In addition, the generator test system also is provided with data processing unit, and it is connected with said control module, receives the data of control module, and data are carried out various analyses and processing, obtains the data that the user hopes, and appears and storage data with the form that the user hopes.The test report that generates can storage automatically in test macro, the processing that also can in remote node, store through network.
By means of this data processing unit, this generator test system can for example realize following function:
A) data presentation is analyzed in real-time data acquisition;
B) user can select the test mode of automatic or manual;
C) real-time detection picture provides unit current running status for the user;
D) can store all generator data, form, the squiggle of process of the test, EOT can directly generate statement form, can directly copy and back up;
E) have powerful data processing function, can measure quickly and accurately, can reach 10 μ s sweep time the variation of voltage and frequency in the transient state test;
F) powerful frequency analysis function, top step number can be according to the user's request setting, and standard configuration is 50 times, and irregularity of wave form (THD) can be provided, telephone harmonic form factor (THF), measurement results such as spectrum analysis;
G) powerful database management function can carry out the search of test result in the past and the printing of dependence test form by type plane No., date, time, test number information such as (16);
H) can show, print following test report:
(1) voltage regulation experiment form;
(4) steady state test form;
(4) transient state test form;
(5) continuous service test form;
(6) no-load characteristic test report;
(7) frequency analysis form;
(8) voltage modulated test report;
(9) delivery test report;
(10) test total form;
I) can show or print following figure
(1) the transient voltage test adds the off-load cubic curve;
(2) the instantaneous frequency test adds the off-load cubic curve;
(3) phase, line voltage sinusoidal waveform spectrum analysis curve;
(4) show three-phase voltage, current waveform in real time;
(5) steady state test curve;
(6) short-circuit characteristic;
(7) no-load characteristic;
Generator test system in the utility model can also connect peripheral hardware with expanded function; For example; This test macro can connect output devices such as printer, and can connect additional peripheral hardware instrument carries out data presentation, and can relevant operation interface be provided according to user's request.
This generator test system also comprises lifting table, be used for according to being regulated the height of test board by the height of examination motor, and this test board also can carry out the left-right and front-back translation, is connected with load motor smoothly thereby make by the examination motor.
In above-mentioned explanation, tried motor and for example be the 1500KW generator.Connection by between examination motor, load motor and the direct current generator realizes through shaft coupling.The generator test system that proposes in the utility model also can be used for the generator test of different capacity, and for example the quilt of 100KW-3000KW tries generator, and scope is 220V/50Hz-1000V/60Hz.
In this generator test system, tried generator and can be had different parameter indexs.For example, the rated frequency of being tried generator can be 50Hz, and rated voltage can be three-phase 100-400V, and rated power can be 100-1500KW.The user can regulate by the power of examination motor arbitrarily as required, and the test duration.
For example, the parameter and the precision of the system testing of this generator test for example comprise: 1) alternating voltage, measurement range are three-phase 0-500V, and measuring accuracy is ± 0.5%; 2) alternating current, measuring accuracy are ± 0.5%; 3) active power, measuring accuracy are ± 1%; 4) power factor, measurement range are 0.4～1.0, and measuring accuracy is ± 0.01; 5) frequency, measurement range are 0-100Hz, and measuring accuracy is ± 0.05%; 6) temperature, measurement range are 0-200 ℃, and measuring accuracy is ± 1%.
Generator test system in the utility model can control test process automatically according to predetermined test procedure, perhaps, also can carry out the adjustment of various parameters through manual mode control test process.
Claims (6)
1. generator test system comprises: control module, and detecting unit try motor, and direct current generator and direct current generator driver element is characterized in that: also comprise load motor, wherein tried motor, load motor is connected with direct current generator is coaxial; Be connected with the input of load motor load motor is provided the electric energy input by the output of examination motor; The direct current generator driver element is connected with direct current generator, is used to drive this direct current generator; Detecting unit is connected with quilt examination motor, is used to detect the parameter by the examination motor; Control module is used for transmitting control signal to the direct current generator driver element, with the running of control direct current generator.
2. generator test according to claim 1 system is characterized in that, said load motor also is used to by the examination motor exciting current is provided, and control module also is used to control the size of this exciting current.
3. generator test according to claim 1 and 2 system is characterized in that, control module receives the parameter that detection arrives, according to this parameter adjustment control operation.
4. generator test according to claim 1 and 2 system; It is characterized in that also comprising lifting table; Be used for according to the height of being regulated the test system and test platform by the height of examination motor; And this test board also can carry out the left-right and front-back translation, is connected with load motor smoothly thereby make by the examination motor.
5. generator test according to claim 1 and 2 system is characterized in that, said is the 1500KW synchronous generator by the examination motor.
6. generator test according to claim 1 and 2 system is characterized in that, also comprises output device, is used to export the parameter that detection arrives.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202307887U CN202166728U (en) | 2011-06-30 | 2011-06-30 | Test system for generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202307887U CN202166728U (en) | 2011-06-30 | 2011-06-30 | Test system for generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202166728U true CN202166728U (en) | 2012-03-14 |
Family
ID=45802545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202307887U Expired - Fee Related CN202166728U (en) | 2011-06-30 | 2011-06-30 | Test system for generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202166728U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353901A (en) * | 2011-06-30 | 2012-02-15 | 无锡星诺电气有限公司 | Generator test system |
| CN103197244A (en) * | 2013-03-26 | 2013-07-10 | 广州飞机维修工程有限公司 | General testing system of airplane direct-current generator |
| CN113960470A (en) * | 2021-08-24 | 2022-01-21 | 北京金风慧能技术有限公司 | Method and device for detecting shaft current of generator |
| RU2777694C1 (en) * | 2021-11-15 | 2022-08-08 | Сергей Иванович Малафеев | Test bench for dc electric machines |
-
2011
- 2011-06-30 CN CN2011202307887U patent/CN202166728U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102353901A (en) * | 2011-06-30 | 2012-02-15 | 无锡星诺电气有限公司 | Generator test system |
| CN103197244A (en) * | 2013-03-26 | 2013-07-10 | 广州飞机维修工程有限公司 | General testing system of airplane direct-current generator |
| CN113960470A (en) * | 2021-08-24 | 2022-01-21 | 北京金风慧能技术有限公司 | Method and device for detecting shaft current of generator |
| CN113960470B (en) * | 2021-08-24 | 2022-07-15 | 北京金风慧能技术有限公司 | Method and device for detecting shaft current of generator |
| RU2777694C1 (en) * | 2021-11-15 | 2022-08-08 | Сергей Иванович Малафеев | Test bench for dc electric machines |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102353901A (en) | Generator test system | |
| CN201955405U (en) | Frequency converter load testing system | |
| Miranda et al. | An alternative isolated wind electric pumping system using induction machines | |
| CN102150357B (en) | Method and apparatus for regulating excitation of alternator | |
| CN202433454U (en) | Frequency converter load testing platform with electric energy feedback function | |
| K. Shadhu Khan, JK Chatterjee | Three-phase induction generators: a discussion on performance | |
| CN103541860A (en) | Method and apparatus for adaptively controlling wind park turbines | |
| CN201637829U (en) | Comprehensive test bed for double current generators | |
| CN103460585B (en) | The electric energy of airborne vehicle | |
| CN104052356A (en) | Variable-speed constant frequency electricity generation control device and electricity generation method based on brushless doubly-fed motor | |
| CN100468908C (en) | Rotary electromagnetic type uniform tidal current controller | |
| CN202166728U (en) | Test system for generator | |
| CN101629860A (en) | Method for testing partial performances of three-phase asynchronous motors | |
| CN204832458U (en) | Energy repayment type asynchronous machine test platform | |
| CN107925249A (en) | The method and system that the network voltage of distributed energy resource is adjusted | |
| CN100463328C (en) | Rotating electromagnetic energy transformation device | |
| CN102353902A (en) | Equivalent test device and method for motor | |
| CN105954676A (en) | Servo motor testing system | |
| CN203558200U (en) | Ship propulsion load simulator | |
| CN103312258B (en) | Electric machine control system | |
| CN202488313U (en) | Harmonic brushless alternating current power generator | |
| CN205940829U (en) | HXN3 diesel locomotive high power diesel engine direct current power -test system | |
| CN201666944U (en) | Variable frequency speed-regulating power feedback energy-saving test system | |
| CN200996988Y (en) | Energy interfeedback experimental appliance of generater | |
| CN102361424A (en) | Fuzzy control strategy-based asynchronous motor soft starter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120314 Termination date: 20180630 |