CN103683959A - Power unit burn-in method for high-voltage frequency converter - Google Patents
Power unit burn-in method for high-voltage frequency converter Download PDFInfo
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- CN103683959A CN103683959A CN201310703110.XA CN201310703110A CN103683959A CN 103683959 A CN103683959 A CN 103683959A CN 201310703110 A CN201310703110 A CN 201310703110A CN 103683959 A CN103683959 A CN 103683959A
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Abstract
The invention discloses a power unit burn-in method for a high-voltage frequency converter. The method comprises the steps that (1) the three-phase input of the power unit is connected to a power grid 1 through an electric reactor; (2) the one-phase output of the power unit is connected to a power grid 2 through a one-phase electric reactor; (3) load and feedback function tests are carried out on the power unit. According to the power unit burn-in method for the high-voltage frequency converter, burn-in of the power unit can be achieved at rated power, product reliability is improved, multiple power units can achieve concentrated burn-in, and production efficiency is improved. Due to the fact that the active load method is adopted, power flows from one power grid to the other power grid, the active power wasted by the power units is small, the energy-saving effect is good, and production and operating costs can be reduced.
Description
Technical field
The present invention relates to a kind of high voltage transducer power unit aging method, belong to high voltage transducer power unit control technology field.
Background technology
At present, the power cell of high voltage converter is aging is to carry out the in the situation that of high voltage-small current or low-voltage, high-current mostly, do not reach like this rated power of power cell, make some potential problems of power cell be not easy to be found, and reduce the reliability of product, therefore, this aging techniques is not optimum method.
Summary of the invention
For the shortcoming of prior art, the object of the present invention is to provide a kind of high voltage transducer power unit aging method, can realize the aging under rated power of high voltage transducer power unit, strengthen the reliability of product, for user provides the product of feeling more relieved.
The present invention solves the problems of the technologies described above adopted technical scheme as described below:
A high voltage transducer power unit aging method, is characterized in that, comprises the following steps:
S1: the input of power cell three-phase is got access to grid to 1 through reactor;
S2: single-phase output is got access to grid to 2 through single-phase reactor;
S3: power cell is with and is carried and feedback function test.
Further, band described in step S3 carries the flow process of functional test: the electric energy of electrical network 1 flows into power cell end of incoming cables R, S, T through three-phase reactor, after the controlled rectification of power cell inside, obtain a direct voltage, described direct voltage is higher than the voltage of electrical network 2, described direct voltage after power cell inversion from output L1, L2 flows out, and enter electrical network 2 through single-phase reactor, and give electrical network 2 power supplies, realize band and carry functional test.
Further, the flow process of the test of feedback function described in step S3 is: the electric energy of electrical network 2 flows into the output L1 of power cell through single-phase reactor, L2, output dc voltage after the rectification of inversion side, described direct voltage is higher than the voltage of electrical network 1, after the controlled rectification of power cell inside, give electrical network 1 power supply, realize feedback function test.
Further, the power cell described in step S1 is four-quadrant power cell.
Further, electrical network described in step S1 1 is three phase mains, for powering to power cell.
Further again, electrical network described in step S2 2 is three phase mains, for powering to power cell.
Beneficial effect of the present invention is as follows: the present invention can make power cell aging at rated power, strengthens product reliability, is convenient to many power cells concentrated aging, enhances productivity.Because the method that has adopted active band to carry, power is to flow to another electrical network from an electrical network, and the active power that power cell consumes is less, and energy-saving effect is better, can reduce production and operation cost.
accompanying drawing explanation
Fig. 1 is schematic diagram of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, present invention is described.
A high voltage transducer power unit aging method, as shown in Figure 1: comprise the following steps:
S1: the input of power cell three-phase is got access to grid to 1 through reactor;
S2: single-phase output is got access to grid to 2 through single-phase reactor;
S3: power cell is with and is carried and feedback function test.
Band described in step S3 carries the flow process of functional test: the electric energy of electrical network 1 flows into power cell end of incoming cables R through three-phase reactor, S, T, after the controlled rectification of power cell inside, obtains a direct voltage, described direct voltage is higher than the voltage of electrical network 2, described direct voltage is from output L1 after power cell inversion, and L2 flows out, and enters electrical network 2 through single-phase reactor, give electrical network 2 power supplies, realize band and carry functional test; The flow process of described feedback function test is: the electric energy of electrical network 2 flows into the output L1 of power cell through single-phase reactor, L2, output dc voltage after the rectification of inversion side, described direct voltage is higher than the voltage of electrical network 1, after the controlled rectification of power cell inside, give electrical network 1 power supply, realize feedback function test.
Power cell described in step S1 is four-quadrant power cell.
Electrical network described in step S1 1, electrical network 2 are three phase mains, all for powering to power cell.
In one embodiment, the method that the present invention adopts active band to carry, the input of power cell three-phase gets access to grid 1 through reactor, and electrical network 1 is actual is three phase mains, for powering to power cell, as shown in Figure 1; Single-phase output also gets access to grid 2 through single-phase reactor, and electrical network 2 is three phase mains, and actual what use is 2 phases wherein, as shown in Figure 1; By to the control of power cell (for four-quadrant power cell, should be with and carry and feedback function test, when band carries test, electric energy flows into power cell end of incoming cables R from electrical network 1 through three-phase reactor, S, T, after the controlled rectification of power cell inside, obtain a higher direct voltage (this direct voltage is higher than electrical network 2 voltages), then direct voltage is from output L1 after power cell inversion, and L2 flows out, and enters electrical network 2 through single-phase reactor, electric energy is provided to electrical network 2, realizes band and carry test.During feedback test, contrary with band year process, electric energy flows to electrical network 1 from electrical network 2, and the electric energy of electrical network 2 is through the output L1 of single-phase reactor ingoing power unit, L2, after the rectification of inversion side, export direct current, this direct voltage is higher than the voltage of electrical network 1, and after the controlled rectification of rectification side, electric energy is supplied with electrical network 1, realize feedback function test) power that can realize electrical network 1 flows to electrical network 2 by power cell, and power that can certainly electrical network 2 flows to electrical network 1 by power cell.Power can two-way flow, also can adjusting size, and power cell has just been realized rated power operation like this, reaches aging object.
The present invention can make power cell aging at rated power, strengthens product reliability, is convenient to many power cells concentrated aging, enhances productivity.Because the method that has adopted active band to carry, power is to flow to another electrical network from an electrical network, and the active power that power cell consumes is less, and energy-saving effect is better, can reduce production and operation cost.
It should be noted that; above-mentioned specific embodiment is only exemplary; under above-mentioned instruction of the present invention, those skilled in the art can carry out various improvement and distortion on the basis of above-described embodiment, and these improvement or distortion all drop in protection scope of the present invention.It will be understood by those skilled in the art that specific descriptions are above in order to explain object of the present invention, not for limiting the present invention.Protection scope of the present invention is limited by claim and equivalent thereof.
Claims (6)
1. a high voltage transducer power unit aging method, is characterized in that, comprises the following steps:
S1: the input of power cell three-phase is got access to grid to 1 through reactor;
S2: single-phase output is got access to grid to 2 through single-phase reactor;
S3: power cell is with and is carried and feedback function test.
2. high voltage transducer power unit aging method as claimed in claim 1, it is characterized in that, band described in step S3 carries the flow process of functional test: the electric energy of electrical network 1 flows into power cell end of incoming cables R through three-phase reactor, S, T, after the controlled rectification of power cell inside, obtain a direct voltage, described direct voltage is higher than the voltage of electrical network 2, described direct voltage is from output L1 after power cell inversion, and L2 flows out, and enters electrical network 2 through single-phase reactor, give electrical network 2 power supplies, realize band and carry functional test.
3. high voltage transducer power unit aging method as claimed in claim 1, it is characterized in that, the flow process of the test of feedback function described in step S3 is: the electric energy of electrical network 2 flows into the output L1 of power cell through single-phase reactor, L2, output dc voltage after the rectification of inversion side, described direct voltage is higher than the voltage of electrical network 1, after the controlled rectification of power cell inside, give electrical network 1 power supply, realize feedback function test.
4. high voltage transducer power unit aging method as claimed in claim 2 or claim 3, is characterized in that, the power cell described in step S1 is four-quadrant power cell.
5. high voltage transducer power unit aging method as claimed in claim 4, is characterized in that, electrical network described in step S1 1 is three phase mains, for powering to power cell.
6. high voltage transducer power unit aging method as claimed in claim 4, is characterized in that, electrical network described in step S2 2 is three phase mains, for powering to power cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310703110.XA CN103683959A (en) | 2013-12-18 | 2013-12-18 | Power unit burn-in method for high-voltage frequency converter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310703110.XA CN103683959A (en) | 2013-12-18 | 2013-12-18 | Power unit burn-in method for high-voltage frequency converter |
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| CN103683959A true CN103683959A (en) | 2014-03-26 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104297603A (en) * | 2014-10-30 | 2015-01-21 | 苏州苏名自动化设备有限公司 | Three-motor-combined frequency converter full-load aging test device |
| CN105738744A (en) * | 2016-04-23 | 2016-07-06 | 江苏力普电子科技有限公司 | Aging apparatus and method for frequency variable power unit |
| CN106249086A (en) * | 2016-08-31 | 2016-12-21 | 浙江佳乐科仪股份有限公司 | A kind of aging band of large power reactor carries control equipment |
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| US20020169580A1 (en) * | 2001-05-09 | 2002-11-14 | Lehoczky Kalman N. | Aging measuring device |
| CN201750163U (en) * | 2010-07-30 | 2011-02-16 | 广东易事特电源股份有限公司 | Three-phase energy saving feedback load |
| CN102053230A (en) * | 2009-11-02 | 2011-05-11 | 张超 | Electrified, aging and energy-saving device for LED (light-emitting diode) lighting source |
| CN102157957A (en) * | 2011-03-08 | 2011-08-17 | 天津市欧德玛电源科技有限公司 | Energy-saving feedback load system based on UPS (uninterrupted power supply) topology and control method thereof |
| CN202353232U (en) * | 2011-11-11 | 2012-07-25 | 国电南京自动化股份有限公司 | High-voltage cascaded inverter power unit grid-connection feedback device |
| CN202475272U (en) * | 2011-11-21 | 2012-10-03 | 西安嘉乐世纪机电科技有限公司 | Electric energy feedback type power supply aging device |
| CN103257290A (en) * | 2013-04-12 | 2013-08-21 | 天津瑞能电气有限公司 | Aging test platform of frequency converter |
| CN103399228A (en) * | 2013-07-30 | 2013-11-20 | 苏州汇川技术有限公司 | Total power aging test circuit for current transformer or frequency transformer |
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2013
- 2013-12-18 CN CN201310703110.XA patent/CN103683959A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US20020169580A1 (en) * | 2001-05-09 | 2002-11-14 | Lehoczky Kalman N. | Aging measuring device |
| CN102053230A (en) * | 2009-11-02 | 2011-05-11 | 张超 | Electrified, aging and energy-saving device for LED (light-emitting diode) lighting source |
| CN201750163U (en) * | 2010-07-30 | 2011-02-16 | 广东易事特电源股份有限公司 | Three-phase energy saving feedback load |
| CN102157957A (en) * | 2011-03-08 | 2011-08-17 | 天津市欧德玛电源科技有限公司 | Energy-saving feedback load system based on UPS (uninterrupted power supply) topology and control method thereof |
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| CN103257290A (en) * | 2013-04-12 | 2013-08-21 | 天津瑞能电气有限公司 | Aging test platform of frequency converter |
| CN103399228A (en) * | 2013-07-30 | 2013-11-20 | 苏州汇川技术有限公司 | Total power aging test circuit for current transformer or frequency transformer |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104297603A (en) * | 2014-10-30 | 2015-01-21 | 苏州苏名自动化设备有限公司 | Three-motor-combined frequency converter full-load aging test device |
| CN104297603B (en) * | 2014-10-30 | 2017-02-01 | 苏州苏名自动化设备有限公司 | Three-motor-combined frequency converter full-load aging test device |
| CN105738744A (en) * | 2016-04-23 | 2016-07-06 | 江苏力普电子科技有限公司 | Aging apparatus and method for frequency variable power unit |
| CN106249086A (en) * | 2016-08-31 | 2016-12-21 | 浙江佳乐科仪股份有限公司 | A kind of aging band of large power reactor carries control equipment |
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Application publication date: 20140326 |