CN106953513B - A kind of loading method and device of silicon controlled rectifier module - Google Patents
A kind of loading method and device of silicon controlled rectifier module Download PDFInfo
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- CN106953513B CN106953513B CN201710139630.0A CN201710139630A CN106953513B CN 106953513 B CN106953513 B CN 106953513B CN 201710139630 A CN201710139630 A CN 201710139630A CN 106953513 B CN106953513 B CN 106953513B
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- controlled rectifier
- silicon controlled
- frequency converter
- rectifier module
- electric current
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/36—Means for starting or stopping converters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/145—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
- H02M7/155—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
Abstract
The present invention relates to converter technology fields, provide the loading method and device of a kind of silicon controlled rectifier module, the loading method of the silicon controlled rectifier module includes: to be electrically connected reactor with silicon controlled rectifier module and accompany survey frequency converter respectively, and the positive bronze medal of the silicon controlled rectifier module and negative bronze medal are shorted；Accompany survey frequency converter is adjusted to change the output electric current of the reactor so that electric current needed for the silicon controlled rectifier module loading, it is not necessary that the load of silicon controlled rectifier module can be realized in frequency converter front end insertion step-down transformer or pressure regulator, have many advantages, such as easy to operate, low in cost and adapt to each power section load.
Description
Technical field
The invention belongs to converter technology field more particularly to a kind of loading methods and device of silicon controlled rectifier module.
Background technique
Frequency converter (Variable-frequency Drive, VFD) is using converter technique and microelectric technique, by changing
The mode of power transformation machine working power frequency controls the electric control appliance of ac motor.Frequency converter is mainly by rectification module
(AC to DC), filter module, inverter module (direct current becomes exchange), brake module, drive module, detection module and micro- place
Manage the composition such as module.With the continuous improvement of industrial automatization, frequency converter is also had been widely used.Frequency converter
The conventional loading method of rectification module is to be loaded using motor to support, or be inserted into step-down transformer or pressure regulation in frequency converter front end
Device realizes load, and there are load steps cumbersome, complicated for operation and at high cost to ask for existing silicon controlled rectifier loading method
Topic.
Summary of the invention
The present invention provides the loading methods and device of a kind of silicon controlled rectifier module, it is intended to solve existing silicon-controlled whole
Flow loading method has that load step is cumbersome, complicated for operation and at high cost.
The present invention provides a kind of loading method of silicon controlled rectifier module, the silicon controlled rectifier module is for loading not
The loading method of electric current needed for frequency converter with power, the silicon controlled rectifier module includes:
Reactor is electrically connected with silicon controlled rectifier module and accompany survey frequency converter respectively, and by the silicon controlled rectifier module
Positive bronze medal and negative bronze medal be shorted；
Accompany survey frequency converter is adjusted to change the output electric current of the reactor so that the silicon controlled rectifier module loading institute
The electric current needed.
The present invention also provides a kind of silicon controlled rectifier module loading device, the silicon controlled rectifier module loading device packet
It includes:
Link block, for reactor to be electrically connected with tested silicon controlled rectifier module and accompany survey frequency converter respectively, and will
The positive bronze medal of the silicon controlled rectifier module and negative bronze medal are shorted；
Loading module changes the output electric current of the reactor for adjusting accompany survey frequency converter so that described tested controllable
Electric current needed for silicon rectifier module loading.
The present invention accompanies survey by the way that reactor to be electrically connected with silicon controlled rectifier module and accompany survey frequency converter respectively, by adjusting
The output voltage of frequency converter adjusts the electric current of reactor, and then makes what silicon controlled rectifier module obtained load different capacity to accompany survey
Electric current needed for frequency converter, it is not necessary that silicon controlled rectifier module can be realized in frequency converter front end insertion step-down transformer or pressure regulator
Load, have many advantages, such as easy to operate, low in cost and adapt to the load of each power section.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is some implementations of the invention
Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the implementation flow chart of the loading method for the silicon controlled rectifier module that the embodiment of the present invention one provides；
Fig. 2 is the wiring schematic diagram of reactor and accompany survey frequency converter and silicon controlled rectifier module in the embodiment of the present invention one；
Fig. 3 is the structural schematic diagram of silicon controlled rectifier module loading device provided by Embodiment 2 of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
That there are load steps in order to solve existing silicon controlled rectifier loading method is cumbersome, complicated for operation for the embodiment of the present invention
And problem at high cost.The loading method and device of a kind of silicon controlled rectifier module are provided, mainly by dividing reactor
It is not electrically connected with silicon controlled rectifier module and accompany survey frequency converter, adjusts reactor by adjusting the output voltage of accompany survey frequency converter
Electric current, and then electric current needed for making silicon controlled rectifier module obtain the accompany survey frequency converter of load different capacity, without in frequency conversion
The load of silicon controlled rectifier module can be realized in device front end insertion step-down transformer or pressure regulator, has easy to operate, at low cost
It is honest and clean and can be suitably used for each power section load the advantages that.
It should be noted that term " includes " and their any changes in description and claims of this specification
Shape, it is intended that cover and non-exclusive include.Such as system, product or the equipment comprising a series of units are not limited to arrange
Unit out, but optionally further comprising the unit that do not list, or optionally further comprising it is intrinsic for these products or equipment
Other units.In addition, term " first ", " second " and " third " etc. be for distinguishing different objects, it is special not for description
Fixed sequence.
In order to illustrate the loading method and device of above-mentioned silicon controlled rectifier module, carried out below in conjunction with specific embodiment
It is described in detail:
Embodiment one
Fig. 1 shows the implementation process of the loading method of the silicon controlled rectifier module of the offer of the embodiment of the present invention one, in order to
Convenient for explanation, only the parts related to this embodiment are shown, and details are as follows:
In step s101, reactor is electrically connected with silicon controlled rectifier module and accompany survey frequency converter respectively, and will be controllable
The positive bronze medal of silicon rectifier module and negative bronze medal are shorted.
It should be noted that above-mentioned silicon controlled rectifier module is for electric current needed for loading the frequency converter of different capacity.
Fig. 2 is the wiring schematic diagram of reactor and accompany survey frequency converter and silicon controlled rectifier module, as shown in Fig. 2, by reactance
The three-phase input end and three-phase output end of the device three-phase with the three-phase output end of accompany survey frequency converter and silicon controlled rectifier module respectively
Input terminal connection.Above-mentioned accompany survey frequency converter is connected with above-mentioned reactor and by above-mentioned reactor and above-mentioned silicon controlled rectifier mould
Block series connection.Specifically, can realize reactor and accompany survey frequency converter and silicon controlled rectifier module by control circuit control switch
Electrical connection, be also possible to the connection by artificial manually implemented reactor and accompany survey frequency converter and silicon controlled rectifier module.
In step s 102, accompany survey frequency converter is adjusted to change the output electric current of reactor so that silicon controlled rectifier module adds
Electric current needed for carrying.
Specifically above-mentioned steps S102 includes:
Adjust the output voltage of accompany survey frequency converter；
Reactor exports corresponding electric current according to the output voltage of accompany survey frequency converter, so that silicon controlled rectifier module loading institute
The electric current needed.
Adjust the output voltage of accompany survey frequency converter specifically: by the way that the parameter of accompany survey frequency converter is arranged so that accompany survey frequency converter
Export corresponding voltage.
It should be noted that adjusting the output voltage of accompany survey frequency converter can be adjusted according to preset loading current
Section, for example, loading current is adjusted according to preset rules, wherein preset rules can be increases identical electric current every time
Changing value is adjusted the output voltage of accompany survey frequency converter according to loading current required every time.
It should be noted that in embodiments of the present invention, the voltage rating of above-mentioned accompany survey frequency converter is 380V.By artificial
The output voltage values of accompany survey frequency converter are arranged to different values by ground, the voltage for keeping the output of accompany survey frequency converter different, to reach
Adjust the purpose of the output voltage of accompany survey frequency converter.
It should be noted that the calculation formula of electric current needed for above-mentioned silicon controlled rectifier module loading is as follows:
Wherein, I is electric current needed for silicon controlled rectifier module loading, and U is the output voltage of accompany survey frequency converter, and f is to accompany survey
The output frequency of frequency converter, L are the inductance of reactor.
It should be noted that the output frequency f of above-mentioned accompany survey frequency converter is defaulted as 50Hz, the output of above-mentioned accompany survey frequency converter
Voltage U is adjustable.The output frequency f of above-mentioned accompany survey frequency converter is remained unchanged, i.e. the loading current I of silicon controlled rectifier module is surveyed by accompanying
The output voltage U of frequency converter and the inductance value L of reactor are codetermined, since the inductance value of the reactor of access is constant,
Output voltage U by adjusting accompany survey frequency converter can obtain different loading current I.
In embodiments of the present invention, the output electricity of accompany survey frequency converter is adjusted by the way that the voltage parameter of accompany survey frequency converter is arranged
Pressure, reactor exports corresponding electric current according to the output voltage of accompany survey frequency converter, so that needed for silicon controlled rectifier module loading
Electric current.Since above-mentioned reactor is pure inductive load, the power factor of above-mentioned accompany survey frequency converter output is lower, and energy is only
It can be converted between the bus capacitor and reactor of accompany survey frequency converter, reduce the electric current obtained from power grid, to reduce to electricity
The requirement of the capacity of net, it is not necessary that silicon controlled rectifier module can be realized in frequency converter front end insertion step-down transformer or pressure regulator
Load has many advantages, such as easy to operate, low in cost and can be suitably used for each power section load.
Embodiment two
To realize the present invention in embodiment one silicon controlled rectifier module shown in FIG. 1 loading method, the present embodiment provides
A kind of silicon controlled rectifier module loading device.Fig. 3 shows the structure of the silicon controlled rectifier module loading device, for the ease of
Illustrate, only the parts related to this embodiment are shown, and details are as follows:
As shown in figure 3, silicon controlled rectifier module loading device 20 includes link block 201 and loading module 202.
Link block 201 is used to for reactor being electrically connected with tested silicon controlled rectifier module and accompany survey frequency converter respectively, and
The positive bronze medal of silicon controlled rectifier module and negative bronze medal are shorted.
Loading module 202 is for adjusting accompany survey frequency converter to change the output electric current of reactor so that tested silicon controlled rectifier
Electric current needed for module loading.
It should be noted that above-mentioned link block 201 is specifically used for: by the three-phase input end and three-phase output end of reactor
It is connect respectively with the three-phase input end of the three-phase output end of accompany survey frequency converter and silicon controlled rectifier module.
Specifically, above-mentioned loading module 202 includes voltage regulation unit and electric current loading unit.
Voltage regulation unit is used to adjust the output voltage of accompany survey frequency converter；
Electric current loading unit exports corresponding electric current according to the output voltage of accompany survey frequency converter for reactor, so that controllably
Electric current needed for silicon rectifier module loading.
It should be noted that above-mentioned voltage regulation unit is specifically used for: by the way that the parameter of accompany survey frequency converter is arranged so as to accompany
It surveys frequency converter and exports corresponding voltage.
It should be noted that electric current loading unit make silicon controlled rectifier module loading needed for electric current calculation formula such as
Under:
Wherein, I is electric current needed for silicon controlled rectifier module loading, and U is the output voltage of accompany survey frequency converter, and f is to accompany survey
The output frequency of frequency converter, L are the inductance of reactor.
It should be noted that the technical staff in the field can be understood that, for convenience of description and succinctly,
Only the example of the division of the above functional modules, it in practical application, can according to need and by above-mentioned function distribution
It is completed by different functional units, module, i.e., the internal structure of mobile terminal is divided into different functional unit or module, with
Complete all or part of function described above.Each functional module in embodiment can integrate in one processing unit,
It is also possible to each unit to physically exist alone, can also be integrated in one unit with two or more units, above-mentioned collection
At unit both can take the form of hardware realization, can also realize in the form of software functional units.In addition, each function
The specific name of module is also only for convenience of distinguishing each other, the protection scope being not intended to limit this application.It is above-mentioned silicon-controlled
The specific work process of rectification module loading device, can be with reference to the corresponding process in preceding method embodiment one, herein no longer
It repeats.
It should be noted that silicon controlled rectifier module loading device provided in an embodiment of the present invention, due to Fig. 1 of the present invention
Shown embodiment of the method is based on same design, and bring technical effect is identical as embodiment of the method shown in Fig. 1 of the present invention, specifically
Content can be found in the narration in embodiment of the method shown in Fig. 1 of the present invention, and details are not described herein again.
Therefore, a kind of silicon controlled rectifier module provided in this embodiment can equally be distinguished reactor by link block
Be electrically connected with accompany survey frequency converter and silicon controlled rectifier module, by voltage regulation unit be arranged accompany survey frequency converter voltage parameter come
The output voltage for adjusting accompany survey frequency converter exports reactor according to the output voltage of accompany survey frequency converter by electric current loading unit
Corresponding electric current, so that electric current needed for silicon controlled rectifier module loading.Since above-mentioned reactor is pure inductive load,
The power factor of above-mentioned accompany survey frequency converter output is lower, and energy can only turn between the bus capacitor and reactor of accompany survey frequency converter
It changes, reduces the electric current obtained from power grid, to reduce the requirement to the capacity of power grid, be depressured without being inserted into frequency converter front end
The load of silicon controlled rectifier module can be realized in transformer or pressure regulator, has easy to operate, low in cost and can be suitably used for
The advantages that each power section loads.
Those of ordinary skill in the art be further appreciated that implement the method for the above embodiments be can
It is completed with instructing relevant hardware by program, the program can be stored in a computer-readable storage medium
In, described storage medium, including ROM/RAM, disk, CD etc..
The steps in the embodiment of the present invention can be sequentially adjusted, merged and deleted according to actual needs.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (8)
1. a kind of loading method of silicon controlled rectifier module, the silicon controlled rectifier module is used to load the frequency converter of different capacity
Required electric current, which is characterized in that the loading method of the silicon controlled rectifier module includes:
Reactor is electrically connected with silicon controlled rectifier module and accompany survey frequency converter respectively, the three-phase input end of the reactor and three
Phase output terminal is connected with the three-phase input end of the three-phase output end of the accompany survey frequency converter and the silicon controlled rectifier module respectively,
And the positive copper bar of the silicon controlled rectifier module and negative copper bar are shorted；
Accompany survey frequency converter is adjusted to change the output electric current of the reactor so that needed for the silicon controlled rectifier module loading
Electric current.
2. the loading method of silicon controlled rectifier module according to claim 1, which is characterized in that adjust the reactor
Electric current is exported so that electric current needed for the silicon controlled rectifier module loading includes:
Adjust the output voltage of the accompany survey frequency converter；
The reactor exports corresponding electric current according to the output voltage of the accompany survey frequency converter, so that the silicon controlled rectifier mould
Electric current needed for block load.
3. the loading method of silicon controlled rectifier module according to claim 2, which is characterized in that the silicon controlled rectifier mould
The calculation formula of electric current needed for block load is as follows:
Wherein, I is electric current needed for the silicon controlled rectifier module loading, and U is the output voltage of the accompany survey frequency converter, and f is
The output frequency of the accompany survey frequency converter, L are the inductance of the reactor.
4. the loading method of silicon controlled rectifier module according to claim 2, which is characterized in that accompany survey described in the adjusting
The output voltage of frequency converter specifically:
By the way that the parameter of the accompany survey frequency converter is arranged so that the accompany survey frequency converter exports corresponding voltage.
5. a kind of silicon controlled rectifier module loading device, which is characterized in that the silicon controlled rectifier module loading device includes:
Link block, for reactor to be electrically connected with tested silicon controlled rectifier module and accompany survey frequency converter respectively, the reactance
The three-phase input end and three-phase output end of device respectively with the three-phase output end of the accompany survey frequency converter and the silicon controlled rectifier mould
The three-phase input end of block is connected, and the positive copper bar of the silicon controlled rectifier module and negative copper bar are shorted；
Loading module, change the output electric current of the reactor for adjusting accompany survey frequency converter so that it is described be tested it is silicon-controlled whole
Electric current needed for flow module load.
6. silicon controlled rectifier module loading device according to claim 5, which is characterized in that the loading module includes:
Voltage regulation unit, for adjusting the output voltage of the accompany survey frequency converter；
Electric current loading unit exports corresponding electric current according to the output voltage of the accompany survey frequency converter for the reactor, with
Electric current needed for making the silicon controlled rectifier module loading.
7. silicon controlled rectifier module loading device according to claim 6, it is characterised in that:
The calculation formula of electric current needed for the electric current loading unit makes silicon controlled rectifier module loading is as follows:
Wherein, I is electric current needed for the silicon controlled rectifier module loading, and U is the output voltage of the accompany survey frequency converter, and f is
The output frequency of the accompany survey frequency converter, L are the inductance of the reactor.
8. silicon controlled rectifier module loading device according to claim 6, it is characterised in that:
The voltage regulation unit is specifically used for: by the way that the parameter of the accompany survey frequency converter is arranged so that the accompany survey frequency converter is defeated
Corresponding voltage out.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710139630.0A CN106953513B (en) | 2017-03-09 | 2017-03-09 | A kind of loading method and device of silicon controlled rectifier module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710139630.0A CN106953513B (en) | 2017-03-09 | 2017-03-09 | A kind of loading method and device of silicon controlled rectifier module |
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| CN106953513A CN106953513A (en) | 2017-07-14 |
| CN106953513B true CN106953513B (en) | 2019-08-20 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5734256A (en) * | 1995-05-31 | 1998-03-31 | General Electric Company | Apparatus for protection of power-electronics in series compensating systems |
| CN102967763A (en) * | 2012-11-30 | 2013-03-13 | 南京南瑞继保电气有限公司 | Short-circuit impedance calculation method of transformer |
| CN203870168U (en) * | 2014-05-09 | 2014-10-08 | 北京航天爱威电子技术有限公司 | Device for measuring inductance of reactor in active power filter |
-
2017
- 2017-03-09 CN CN201710139630.0A patent/CN106953513B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5734256A (en) * | 1995-05-31 | 1998-03-31 | General Electric Company | Apparatus for protection of power-electronics in series compensating systems |
| CN102967763A (en) * | 2012-11-30 | 2013-03-13 | 南京南瑞继保电气有限公司 | Short-circuit impedance calculation method of transformer |
| CN203870168U (en) * | 2014-05-09 | 2014-10-08 | 北京航天爱威电子技术有限公司 | Device for measuring inductance of reactor in active power filter |
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| CN106953513A (en) | 2017-07-14 |
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Denomination of invention: A loading method and device of thyristor rectifier module Effective date of registration: 20210823 Granted publication date: 20190820 Pledgee: Shenzhen small and medium sized small loan Co.,Ltd. Pledgor: HUAYUAN ELECTRIC Co.,Ltd. Registration number: Y2021980008113 |
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