CN104795883B - Power model dc bus energy taking device - Google Patents
Power model dc bus energy taking device Download PDFInfo
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- CN104795883B CN104795883B CN201510139731.9A CN201510139731A CN104795883B CN 104795883 B CN104795883 B CN 104795883B CN 201510139731 A CN201510139731 A CN 201510139731A CN 104795883 B CN104795883 B CN 104795883B
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Abstract
The embodiment of the present invention proposes a kind of power model dc bus energy taking device; including power cell dc bus module, rectification module, dual power supply handover module, build-out resistor module, single-ended reverse exciting converting power source module and power supply output protection and signal feedback module; wherein; power cell dc bus module; dc bus and DC capacitor for providing corresponding power cell; and corresponding dc source is exported to dual power supply handover module, the output end of power cell dc bus module connects the input of dual power supply handover module.Scheme proposed by the present invention, carries out internal direct current bus by DC bus-bar voltage output module and takes energy, without isolating transformer, you can high-tension transformer is effectively isolated with low-tension transformer；Ensure the normal operation of field apparatus, meanwhile, AC and DC dual power supply pattern is easy in instrument factory and field adjustable, operation.
Description
Technical field
It is specifically, female the present invention relates to a kind of power model direct current the present invention relates to synchronous compensator plant technical field
Line energy taking device.
Background technology
Current high-voltage chain type static synchronous compensator plant applies increasingly extensive, but power model control power supply takes energy mode
Relatively lag behind.Tradition takes energy method to be powered for separate external power source, and every power model is equipped with an isolating transformer, for
Realization is isolated high voltage power supply with low-tension supply.
But traditional power model control power supply take can method have that module volume is big, dismounting and assembling between module
The problems such as wasting time and energy, transport inconvenience, is unfavorable for the popularization and application of high-voltage chain type static synchronous compensator plant.
Therefore, it is necessary to propose effective technical scheme, solve that module volume in the presence of prior art is big, module it
Between dismounting and assembling the problems such as waste time and energy, transport inconvenience.
The content of the invention
The purpose of the present invention is intended at least solve one of above-mentioned technological deficiency, especially through DC bus-bar voltage output module
Carry out internal direct current bus and take energy, without isolating transformer, you can high-tension transformer is effectively isolated with low-tension transformer.
The embodiment of the present invention proposes a kind of power model dc bus energy taking device, including power cell dc bus mould
Block, rectification module, dual power supply handover module, build-out resistor module, single-ended reverse exciting converting power source module and power supply output protection and
Signal feedback module,
The power cell dc bus module, dc bus and DC capacitor for providing corresponding power cell,
And corresponding dc source is exported to the dual power supply handover module, the output end of the power cell dc bus module connects
Connect the input of the dual power supply handover module；
The rectification module, the external power source for providing 220 volts of inputted alternating voltages, and output are corresponding straight
Power supply is flowed to the dual power supply handover module, and the output end of the rectification module connects the input of the dual power supply handover module
End；
The dual power supply handover module, for giving the single-ended reverse exciting converting power source module by selected power delivery,
And the matching power module is given by selected power delivery, one end of the output end of the dual power supply handover module is connected
The single-ended reverse exciting changes the input of power module, described of the other end connection of the output end of the dual power supply handover module
Input with resistive module, wherein, the single-ended reverse exciting converting power source module is connected with the build-out resistor wired in parallel；
The build-out resistor module, the power attenuation for balancing the single-ended reverse exciting converting power source module；
The single-ended reverse exciting converting power source module, for carrying out corresponding signal acquisition, and for outside the energy taking device
The power cell circuit board of portion's connection is powered, and one end connection of the output end of the single-ended reverse exciting converting power source module is described
The input of power supply output protection and signal feedback module, the other end of the output end of the single-ended reverse exciting converting power source module connects
The input of the power cell circuit board is connect, wherein, the power supply output protection and signal feedback module and the power list
First circuit board is connected in series；
The power supply output protection and signal feedback module, for corresponding fault-signal to be transferred into the power cell
Circuit board is handled accordingly, wherein, the output end of the power supply output protection and signal feedback module connects the power
The input of element circuit plate；
The power cell circuit board, itself and the energy taking device external connection, the power cell circuit board is used as institute
The load of energy taking device is stated, and the power cell circuit board is the core control panel of corresponding power model.
It is preferred that, the transformer of the single-ended reverse exciting converting power source module is coupling inductance, for energy storage, transformation and transmission
Energy.
It is preferred that, the influence factor of the single-ended reverse exciting converting power source module includes input voltage influence factor, output electricity
The master for pressing influence factor, the influence factor of the power output of each circuit, the influence factor of switching frequency and corresponding circuit
The influence factor of switching tube resistance to pressure.
It is preferred that, the single-ended reverse exciting converting power source module and the power supply output protection and signal feedback module are carried out
Encapsulation, with as corresponding power module.
It is preferred that, the energy taking device also includes module control panel, and the module control panel is used to controlling described to take and can fill
Normal operating conditions between the modules put.
It is preferred that, the module control panel includes the first module and controls Slab element, for controlling the power module circuitry
Working condition, the working power state pre-set with causing it to be output as, the output end of the power module and described the
The input connection of one module control panel, the output end of the first module control panel and the input of the dual power supply handover module
End connection.
It is preferred that, the module control panel includes the second module and controls Slab element, defeated for monitoring and handling the power supply
Go out the working condition of protection and signal feedback module, the input of the second module control Slab element is exported with the power supply to be protected
Shield and the connection of the output end of signal feedback module.
It is preferred that, the build-out resistor module includes parameter monitoring unit, parameter acquisition unit, the power supply of corresponding circuit
The collecting unit and computing unit of the power supply active loss of the monitoring unit of active loss and corresponding circuit.
It is preferred that, the build-out resistor module includes the first parameter monitoring unit, the first parameter acquisition unit, corresponding electricity
The collecting unit and the meter of the first parameter of the power supply active loss of the monitoring unit of the power supply active loss on road and corresponding circuit
Unit is calculated, first parameter refers to the resistance matched with the build-out resistor module.
It is preferred that, it is characterised in that the build-out resistor module includes the second parameter monitoring unit, the second parameter acquisition list
The collecting unit of the power supply active loss of the monitoring unit of the power supply active loss of first, corresponding circuit and corresponding circuit and
The computing unit of second parameter, second parameter refers to the power that the build-out resistor module is matched.
The such scheme that the embodiment of the present invention is proposed, carries out internal direct current bus by DC bus-bar voltage output module and takes
Can, without isolating transformer, you can high-tension transformer is effectively isolated with low-tension transformer；Ensure site operation personnel's
Personal safety and the normal operation of equipment, meanwhile, AC and DC dual power supply pattern, be easy in instrument factory and field adjustable,
Operation.Further it is proposed that such scheme, to the change very little of existing circuit system, do not interfere with the compatibility of system
Property, and realize simple, efficient.
The additional aspect of the present invention and advantage will be set forth in part in the description, and these will become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from the following description of the accompanying drawings of embodiments
Substantially and be readily appreciated that, wherein：
Fig. 1 is the structural representation of the power model dc bus energy taking device of the embodiment of the present invention one.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not construed as limiting the claims.
Embodiment one
The present embodiment one provides the power model dc bus energy taking device according to the present invention.As shown in figure 1, the power mould
Block dc bus energy taking device, including power cell dc bus module 101, rectification module 102, dual power supply handover module 103,
Build-out resistor module 104, single-ended reverse exciting converting power source module 105 and power supply output protection and signal feedback module 106.
Power cell dc bus module 101, dc bus and DC capacitor for providing corresponding power cell, with
And corresponding dc source is exported to dual power supply handover module 103, the output end connection pair of power cell dc bus module 101
The input of power supply handover module 103；
Rectification module 102, the external power source for providing 220 volts of inputted alternating voltages, and output are corresponding straight
Power supply is flowed to dual power supply handover module 103, the input of the output end connection dual power supply handover module 103 of rectification module 102；
Dual power supply handover module 103, for by selected power delivery to single-ended reverse exciting converting power source module 105, with
And matching power module 104 is given by selected power delivery, one end connection of the output end of dual power supply handover module 103 is single-ended
Flyback changes the input of power module 105, the other end matching connection resistive module of the output end of dual power supply handover module 103
104 input, wherein, single-ended reverse exciting converting power source module 105 is connected in parallel with build-out resistor module 104；
Build-out resistor module 104, the power attenuation for balancing single-ended reverse exciting converting power source module 105；
Single-ended reverse exciting converting power source module 105, for carrying out corresponding signal acquisition, and is energy taking device external connection
Power cell circuit board be powered, connection power supply output in one end of the output end of single-ended reverse exciting converting power source module 105 is protected
The input of shield and signal feedback module 106, the other end connection power list of the output end of single-ended reverse exciting converting power source module 105
The input of first circuit board, wherein, power supply output protection and signal feedback module 106 are connected in series with power cell circuit board；
Power supply output protection and signal feedback module 106, for corresponding fault-signal to be transferred into power cell circuit
Plate is handled accordingly, wherein, the output end connection power cell circuit board of power supply output protection and signal feedback module 106
Input；
Power cell circuit board, itself and energy taking device external connection, the power cell circuit board can be filled as described take
The load put, and the power cell circuit board are the core control panels of corresponding power model.
The power model dc bus energy taking device that the embodiment of the present invention one is provided, passes through DC bus-bar voltage output module
Carry out internal direct current bus and take energy, without isolating transformer, you can high-tension transformer is effectively isolated with low-tension transformer；
Ensure the personal safety of site operation personnel and the normal operation of equipment；Meanwhile, AC and DC dual power supply pattern is easy to
In instrument factory and field adjustable, operation.When low pressure is debugged, by rectification circuit, connect external power source and power, be easy to equipment complete machine
Debugging；During normal operation, externally fed power supply is cut off.Further it is proposed that such scheme, to existing circuit system
Very little is changed, the compatibility of system is not interfered with, and realize simple, efficient.
Embodiment two
The present embodiment two provides the power model dc bus energy taking device according to the present invention.The power model dc bus
Energy taking device, including power cell dc bus module 101, rectification module 102, dual power supply handover module 103, build-out resistor mould
Block 104, single-ended reverse exciting converting power source module 105 and power supply output protection and signal feedback module 106.
Power cell dc bus module 101, dc bus and DC capacitor for providing corresponding power cell, with
And corresponding dc source is exported to dual power supply handover module 103, the output end connection pair of power cell dc bus module 101
The input of power supply handover module 103；
Rectification module 102, the external power source for providing 220 volts of inputted alternating voltages, and output are corresponding straight
Power supply is flowed to dual power supply handover module 103, the input of the output end connection dual power supply handover module 103 of rectification module 102；
Dual power supply handover module 103, for by selected power delivery to single-ended reverse exciting converting power source module 105, with
And matching power module 104 is given by selected power delivery, one end connection of the output end of dual power supply handover module 103 is single-ended
Flyback changes the input of power module 105, the other end matching connection resistive module of the output end of dual power supply handover module 103
104 input, wherein, single-ended reverse exciting converting power source module 105 is connected in parallel with build-out resistor module 104；
Build-out resistor module 104, the power attenuation for balancing single-ended reverse exciting converting power source module 105；
Single-ended reverse exciting converting power source module 105, for carrying out corresponding signal acquisition, and is energy taking device external connection
Power cell circuit board be powered, connection power supply output in one end of the output end of single-ended reverse exciting converting power source module 105 is protected
The input of shield and signal feedback module 106, the other end connection power list of the output end of single-ended reverse exciting converting power source module 105
The input of first circuit board, wherein, power supply output protection and signal feedback module 106 are connected in series with power cell circuit board；
Power supply output protection and signal feedback module 106, for corresponding fault-signal to be transferred into power cell circuit
Plate is handled accordingly, wherein, the output end connection power cell circuit board of power supply output protection and signal feedback module 106
Input；
Power cell circuit board, itself and energy taking device external connection, the power cell circuit board can be filled as described take
The load put, and the power cell circuit board are the core control panels of corresponding power model.
Further, the transformer of single-ended reverse exciting converting power source module is coupling inductance, for energy storage, transformation and transmission energy
Amount.
Further, the influence factor of single-ended reverse exciting converting power source module includes input voltage influence factor, output voltage
Influence factor, the influence factor of the power output of each circuit, the master of the influence factor of switching frequency and corresponding circuit open
Close the influence factor of pipe resistance to pressure.
Further, single-ended reverse exciting converting power source module is packaged with power supply output protection and signal feedback module,
With as corresponding power module.
Further, energy taking device also includes module control panel, and module control panel is used for each mould for controlling energy taking device
Normal operating conditions between block.
Further, module control panel includes the first module control Slab element, the work for controlling power module circuitry
State, the working power state pre-set with causing it to be output as, the output end of power module and the first module control panel
Input is connected, and the output end of the first module control panel is connected with the input of dual power supply handover module.
Further, module control panel includes the second module control Slab element, for monitoring and handling power supply output protection
And the working condition of signal feedback module, input and power supply output protection and the signal feedback mould of the second module control Slab element
The output end connection of block.
Further, build-out resistor module includes the power supply reality of parameter monitoring unit, parameter acquisition unit, corresponding circuit
The collecting unit and computing unit of the power supply active loss of the monitoring unit of border loss and corresponding circuit.
Further, build-out resistor module includes the first parameter monitoring unit, the first parameter acquisition unit, corresponding circuit
Power supply active loss monitoring unit and corresponding circuit power supply active loss collecting unit and the calculating of the first parameter
Unit, the first parameter refers to the resistance matched with build-out resistor module.
Further, build-out resistor module includes the second parameter monitoring unit, the second parameter acquisition unit, corresponding circuit
Power supply active loss monitoring unit and corresponding circuit power supply active loss collecting unit and the calculating of the second parameter
Unit, the second parameter refers to the power that build-out resistor module is matched.
The power model dc bus energy taking device that the embodiment of the present invention two is provided, passes through DC bus-bar voltage output module
Carry out internal direct current bus and take energy, without isolating transformer, you can high-tension transformer is effectively isolated with low-tension transformer；
Ensure the personal safety of site operation personnel and the normal operation of equipment；Meanwhile, AC and DC dual power supply pattern is easy to
In instrument factory and field adjustable, operation.When low pressure is debugged, by rectification circuit, connect external power source and power, be easy to equipment complete machine
Debugging；During normal operation, externally fed power supply is cut off.Further it is proposed that such scheme, to existing circuit system
Very little is changed, the compatibility of system is not interfered with, and realize simple, efficient.
Although being described in detail on example embodiment and its advantage, it should be understood that do not depart from the present invention spirit and
In the case of protection domain defined in the appended claims, various change, substitutions and modifications can be carried out to these embodiments.It is right
In other examples, one of ordinary skill in the art should be readily appreciated that while keeping in the scope of the present invention, technique
The order of step can change.
In addition, the application of the present invention is not limited to technique, mechanism, the system of the specific embodiment described in specification
Make, material composition, means, method and step., will be easy as one of ordinary skill in the art from the disclosure
Ground understands, for current technique that is existing or will developing later, mechanism, manufacture, material composition, means, method or
Step, the knot that the function or acquisition that wherein their execution are substantially the same with the corresponding embodiment that the present invention is described are substantially the same
Really, they can be applied according to the present invention.
Therefore, appended claims of the present invention be intended to by these techniques, mechanism, manufacture, material composition, means, method or
Step is included in its protection domain.It should be pointed out that for those skilled in the art, not departing from this hair
On the premise of bright principle, some improvements and modifications can also be made, these improvements and modifications also should be regarded as the protection model of the present invention
Enclose.
Claims (10)
1. a kind of power model dc bus energy taking device, it is characterised in that including power cell dc bus module, rectification mould
Block, dual power supply handover module, build-out resistor module, single-ended reverse exciting converting power source module and power supply output protection and signal feedback mould
Block,
The power cell dc bus module, dc bus and DC capacitor for providing corresponding power cell, and
Corresponding dc source is exported to the dual power supply handover module, the output end connection institute of the power cell dc bus module
State the input of dual power supply handover module；
The rectification module, the external power source for providing 220 volts of inputted alternating voltages, and export corresponding direct current
Source is to the dual power supply handover module, and the output end of the rectification module connects the input of the dual power supply handover module；
The dual power supply handover module, for giving the single-ended reverse exciting converting power source module by selected power delivery, and
The build-out resistor module is given by selected power delivery, one end connection of the output end of the dual power supply handover module is described
Single-ended reverse exciting changes the input of power module, the other end connection matching electricity of the output end of the dual power supply handover module
The input of module is hindered, wherein, the single-ended reverse exciting converting power source module is connected with the build-out resistor wired in parallel；
The build-out resistor module, the power attenuation for balancing the single-ended reverse exciting converting power source module；
The single-ended reverse exciting converting power source module, for carrying out corresponding signal acquisition, and to connect outside the energy taking device
The power cell circuit board connect is powered, and one end of the output end of the single-ended reverse exciting converting power source module connects the power supply
The input of output protection and signal feedback module, the other end connection institute of the output end of the single-ended reverse exciting converting power source module
The input of power cell circuit board is stated, wherein, the power supply output protection and signal feedback module and power cell electricity
Road plate is connected in series；
The power supply output protection and signal feedback module, for corresponding fault-signal to be transferred into the power cell circuit
Plate is handled accordingly, wherein, the output end of the power supply output protection and signal feedback module connects the power cell
The input of circuit board；
The power cell circuit board, itself and the energy taking device external connection, the power cell circuit board takes as described
The load of energy device, and the power cell circuit board is the core control panel of corresponding power model.
2. power model dc bus energy taking device as claimed in claim 1, it is characterised in that the single-ended reverse exciting conversion electricity
The transformer of source module is coupling inductance, for energy storage, transformation and transmission energy.
3. power model dc bus energy taking device as claimed in claim 1 or 2, it is characterised in that the single-ended reverse exciting becomes
Changing the influence factor of power module includes input voltage influence factor, output voltage influence factor, the power output of each circuit
Influence factor, the influence factor of the main switch resistance to pressure of the influence factor of switching frequency and corresponding circuit.
4. power model dc bus energy taking device as claimed in claim 1, it is characterised in that convert the single-ended reverse exciting
Power module is packaged with the power supply output protection and signal feedback module, with as corresponding power module.
5. power model dc bus energy taking device as claimed in claim 4, it is characterised in that the energy taking device also includes
Module control panel, the module control panel is used to control the normal operating conditions between the modules of the energy taking device.
6. power model dc bus energy taking device as claimed in claim 5, it is characterised in that the module control panel includes
First module controls Slab element, the working condition for controlling the power module circuitry, to cause it to be output as pre-setting
Working power state, the output end of the power module is connected with the input of the first module control panel, described first
The output end of module control panel is connected with the input of the dual power supply handover module.
7. power model dc bus energy taking device as claimed in claim 5, it is characterised in that the module control panel includes
Second module controls Slab element, the working condition for monitoring and handling the power supply output protection and signal feedback module, institute
The input for stating the second module control Slab element is connected with the output end of the power supply output protection and signal feedback module.
8. power model dc bus energy taking device as claimed in claim 1, it is characterised in that the build-out resistor module bag
Include parameter monitoring unit, parameter acquisition unit, the monitoring unit of the power supply active loss of corresponding circuit and corresponding circuit
The collecting unit and computing unit of power supply active loss.
9. power model dc bus energy taking device as claimed in claim 8, it is characterised in that the build-out resistor module bag
Include the first parameter monitoring unit, the first parameter acquisition unit, the monitoring unit of the power supply active loss of corresponding circuit and corresponding
Circuit power supply active loss collecting unit and the computing unit of the first parameter, first parameter refers to matches electricity with described
The resistance that resistance module is matched.
10. power model dc bus energy taking device as claimed in claim 8, it is characterised in that the build-out resistor module
Including the second parameter monitoring unit, the second parameter acquisition unit, the monitoring unit of the power supply active loss of corresponding circuit and phase
The collecting unit of the power supply active loss for the circuit answered and the computing unit of the second parameter, second parameter refer to the matching electricity
The power that resistance module is matched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510139731.9A CN104795883B (en) | 2015-03-27 | 2015-03-27 | Power model dc bus energy taking device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510139731.9A CN104795883B (en) | 2015-03-27 | 2015-03-27 | Power model dc bus energy taking device |
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| CN104795883A CN104795883A (en) | 2015-07-22 |
| CN104795883B true CN104795883B (en) | 2017-09-19 |
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| CN107317467A (en) * | 2017-08-08 | 2017-11-03 | 北京金风科创风电设备有限公司 | Drive control system of power electronic power module and energy-taking power supply thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201608533U (en) * | 2009-08-13 | 2010-10-13 | 北京思能达节能电气股份有限公司 | Hybrid dynamic reactive compensation system applied to power grid |
| CN102638048A (en) * | 2012-03-29 | 2012-08-15 | 威凡智能电气高科技有限公司 | Automatic bypass processing method of H-bridge cascaded chain type static synchronous compensator (STATCOM) |
| JP2013027260A (en) * | 2011-07-26 | 2013-02-04 | Hitachi Ltd | Power conversion apparatus |
| CN202771178U (en) * | 2012-09-14 | 2013-03-06 | 广东电网公司东莞供电局 | Redundancy switching device of STATCOM (Static Synchronous Compensator) control system |
-
2015
- 2015-03-27 CN CN201510139731.9A patent/CN104795883B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201608533U (en) * | 2009-08-13 | 2010-10-13 | 北京思能达节能电气股份有限公司 | Hybrid dynamic reactive compensation system applied to power grid |
| JP2013027260A (en) * | 2011-07-26 | 2013-02-04 | Hitachi Ltd | Power conversion apparatus |
| CN102638048A (en) * | 2012-03-29 | 2012-08-15 | 威凡智能电气高科技有限公司 | Automatic bypass processing method of H-bridge cascaded chain type static synchronous compensator (STATCOM) |
| CN202771178U (en) * | 2012-09-14 | 2013-03-06 | 广东电网公司东莞供电局 | Redundancy switching device of STATCOM (Static Synchronous Compensator) control system |
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| CN104795883A (en) | 2015-07-22 |
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Inventor after: Lv Shining Inventor after: Liu Aijie Inventor after: Zhu Xianjun Inventor after: Sun Changhong Inventor after: Wang Ruoan Inventor after: Yu Liangjie Inventor after: Wang Xuexin Inventor after: Xu Mingqian Inventor after: Yu Haochen Inventor before: Shao Zehua Inventor before: Fu Ping Inventor before: Wan Daojin |
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Effective date of registration: 20170818 Address after: 264006 Shandong Province, Yantai City Development Zone Branch and three branch Yongjiang Yongjiang interchange Applicant after: Shandong blue union anti-corrosion Polytron Technologies Inc Address before: 264000 No. 16 Wuhan street, Yantai Development Zone, Shandong Applicant before: Shandong Blue Power Technology Co., Ltd. |
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