CN102213746A - Frequency-conversion speed-regulation type energy-saving power feedback test system - Google Patents
Frequency-conversion speed-regulation type energy-saving power feedback test system Download PDFInfo
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- CN102213746A CN102213746A CN2010101394089A CN201010139408A CN102213746A CN 102213746 A CN102213746 A CN 102213746A CN 2010101394089 A CN2010101394089 A CN 2010101394089A CN 201010139408 A CN201010139408 A CN 201010139408A CN 102213746 A CN102213746 A CN 102213746A
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Abstract
The invention relates to a frequency-conversion speed-regulation type energy-saving power feedback test system. The system comprises a frequency-conversion regulation and control motor, a synchronous phase-modulation load-regulation motor, a tested motor and a measurement and control platform; the frequency-conversion regulation and control motor, the synchronous phase-modulation load-regulation motor and the tested motor are sequentially connected in series; the measurement and control platform is communicated with the frequency-conversion regulation and control motor, the synchronous phase-modulation load-regulation motor and the tested motor. By feeding the energy generated during test of the tested motor back to the motor which drives the tested motor and is coaxially connected with the tested motor, the full-load test on a large-power motor can be completed by using small power so as to greatly save production cost for an enterprise. Moreover, the system is energy-saving and efficient.
Description
Technical field
The present invention relates to a kind of performance detecting system of generator, relate in particular to a kind of frequency control type power back off saving energy test system.
Background technology
Generator is a kind of device that mechanical energy is converted into electric energy, the size of the power of its output and the height of efficient are the cardinal tasks that each purchaser is concerned about, after a generator designs is finished and is produced product, in order accurately to measure its power supply capacity under full load conditions, usually traditional method is with an enough powerful prime mover generator drive to be generated electricity, the electric energy that sends generates heat by making heaters such as resistance wire, form with heat energy loses, consumed a large amount of energy (as: fuel oils in the whole process, electric energy etc.), the electric energy of output is also by in vain waste, be unfavorable for energy-conserving and environment-protective, also increased the production cost of enterprise.
Summary of the invention
The present invention is in order to overcome the above problems the frequency control type power back off saving energy test system that a kind of energy-conservation, efficient, environmental protection is provided.
Technical scheme of the present invention is: include the frequency conversion control motor of series connection successively, synchronous phase modulation accent live motivation and tested generator, also include monitoring and control unit, monitoring and control unit is connected with former three.
The energy that the present invention sends by with tested generator test the time feed back to drive it and with its coaxial motor that is connected, frequency-conversion and speed-regulation motor is by its rotating speed of Frequency Converter Control, speed adjustable range can be applicable to the generator that drives different rated speeds from 500～5000r/min.Tested generator and the loss of phase modulation accent live motivation are synchronously supplied with by compensation frequency conversion control motor.So just can realize, just finish the full load of very powerful generator with very little power and test,, greatly save the energy as just can finish the full load test of 1000KW generator with the frequency conversion control motor of 100KW.If the generator calculations of producing 50 100KW every day according to my company average, but work in 8 hours is saves energy 50*100*8=40000 degree just, economize on the use of funds every year: ten thousand yuan of (annual 52 weeks of 40000*0.7*5*52=728, calculate by work in 5 days weekly), save a large amount of production costs, efficient energy-saving to enterprise.
Description of drawings
Fig. 1 is a structural representation of the present invention.
1 is the frequency conversion control motor among the figure, the 2nd, and synchronous phase modulation is transferred live motivation, the 3rd, tested generator, the 4th, monitoring and control unit.
Embodiment
A kind of frequency control type power back off saving energy test system includes the frequency conversion control motor 1 of series connection successively, phase modulation is transferred live motivation 2 and tested generator 3 synchronously, also includes monitoring and control unit 4, and monitoring and control unit 4 is connected with former three.After system's starting, after frequency conversion control motor 1 drives synchronous phase modulation simultaneously and transfers live motivation 2, tested generator 3 to reach rated speed as original power, tested generator for electricity generation is normal, phase modulation transfers live motivation 2 by the external direct current power supply excitation synchronously, also begin generating, regulating this exciting current size makes synchronous phase modulation transfer live motivation 2 voltage swings and tested generator 3 to keep identical, regulate synchronous phase modulation simultaneously and transfer the phase place of live motivation 2, make itself and tested generator 3 keep identical.This moment, phase modulation transferred the voltage of live motivation 2, tested generator 3 all identical from size, phase sequence, phase place synchronously, possessed the parallel operation condition, with the two parallel operation.Continue to regulate the phase place that synchronous phase modulation is transferred live motivation 2 after the parallel operation, the phase angle difference of itself and tested generator 3 is increased, be equivalent to the power of tested generator 3 is passed to synchronous phase modulation accent live motivation 2, regulate synchronous phase modulation again and transfer the excitation of live motivation 2, keep COS φ (power factor) value of tested generator 3 to be ratings, so just equal to transfer live motivation 2 to be transformed into synchronous motor synchronous phase modulation, energy comes from tested generator 3, by frequency conversion control motor 1 and the tested generator 3 of phase modulation accent live motivation 2 common drivings synchronously, the load that synchronous phase modulation accent live motivation 2 is tested generator 3 is again the power of its driving, and the transmission of whole power is all write down automatically and formed by monitoring and control unit 4 computer test systems and reports.
Claims (1)
1. frequency control type power back off saving energy test system is characterized in that: include the frequency conversion control motor of series connection successively, phase modulation is transferred live motivation and tested generator synchronously, also includes monitoring and control unit, monitoring and control unit is connected with former three.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101394089A CN102213746A (en) | 2010-04-02 | 2010-04-02 | Frequency-conversion speed-regulation type energy-saving power feedback test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101394089A CN102213746A (en) | 2010-04-02 | 2010-04-02 | Frequency-conversion speed-regulation type energy-saving power feedback test system |
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| CN102213746A true CN102213746A (en) | 2011-10-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101394089A Pending CN102213746A (en) | 2010-04-02 | 2010-04-02 | Frequency-conversion speed-regulation type energy-saving power feedback test system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105024405A (en) * | 2015-08-06 | 2015-11-04 | 沈阳远大科技电工有限公司 | Three-machine set drive variable-frequency generation system |
Citations (5)
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| KR960005607B1 (en) * | 1986-12-23 | 1996-04-26 | 제너럴 일렉트릭 캄파니 | On-line test and diagnostic system for power system stabilizer |
| CN200953042Y (en) * | 2006-10-09 | 2007-09-26 | 上海燃料电池汽车动力系统有限公司 | Driving electric machine for fuel battery vehicle and control system test platform |
| CN200996988Y (en) * | 2007-01-12 | 2007-12-26 | 福建福安闽东亚南电机有限公司 | Energy interfeedback experimental appliance of generater |
| CN101216534A (en) * | 2007-01-06 | 2008-07-09 | 襄樊欧安电气有限公司 | Electric motor dynamic load control device |
| CN201666944U (en) * | 2010-04-02 | 2010-12-08 | 英泰集团有限公司 | Variable frequency speed-regulating power feedback energy-saving test system |
-
2010
- 2010-04-02 CN CN2010101394089A patent/CN102213746A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR960005607B1 (en) * | 1986-12-23 | 1996-04-26 | 제너럴 일렉트릭 캄파니 | On-line test and diagnostic system for power system stabilizer |
| CN200953042Y (en) * | 2006-10-09 | 2007-09-26 | 上海燃料电池汽车动力系统有限公司 | Driving electric machine for fuel battery vehicle and control system test platform |
| CN101216534A (en) * | 2007-01-06 | 2008-07-09 | 襄樊欧安电气有限公司 | Electric motor dynamic load control device |
| CN200996988Y (en) * | 2007-01-12 | 2007-12-26 | 福建福安闽东亚南电机有限公司 | Energy interfeedback experimental appliance of generater |
| CN201666944U (en) * | 2010-04-02 | 2010-12-08 | 英泰集团有限公司 | Variable frequency speed-regulating power feedback energy-saving test system |
Non-Patent Citations (1)
| Title |
|---|
| 周立等: "数字式电动机综合性能测试装置", 《辽宁工程技术大学学报》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105024405A (en) * | 2015-08-06 | 2015-11-04 | 沈阳远大科技电工有限公司 | Three-machine set drive variable-frequency generation system |
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Application publication date: 20111012 |