CN106160150A - The power control system of a kind of adaptive CT sensing power taking and method thereof - Google Patents
The power control system of a kind of adaptive CT sensing power taking and method thereof Download PDFInfo
- Publication number
- CN106160150A CN106160150A CN201610712270.4A CN201610712270A CN106160150A CN 106160150 A CN106160150 A CN 106160150A CN 201610712270 A CN201610712270 A CN 201610712270A CN 106160150 A CN106160150 A CN 106160150A
- Authority
- CN
- China
- Prior art keywords
- voltage
- power
- resistance
- energy
- sensing
- 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.)
- Granted
Links
- 230000003044 adaptive effect Effects 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000003990 capacitor Substances 0.000 claims abstract description 26
- 238000001514 detection method Methods 0.000 claims abstract description 17
- 239000004065 semiconductor Substances 0.000 claims description 41
- 238000006243 chemical reaction Methods 0.000 claims description 22
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 14
- 238000004804 winding Methods 0.000 claims description 14
- 230000005611 electricity Effects 0.000 claims description 11
- 230000036772 blood pressure Effects 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 3
- 239000002707 nanocrystalline material Substances 0.000 claims description 3
- 241000272165 Charadriidae Species 0.000 description 8
- 238000004458 analytical method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 229910018095 Ni-MH Inorganic materials 0.000 description 2
- 229910018477 Ni—MH Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000007726 management method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical class CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 2
- PMVSDNDAUGGCCE-TYYBGVCCSA-L Ferrous fumarate Chemical group [Fe+2].[O-]C(=O)\C=C\C([O-])=O PMVSDNDAUGGCCE-TYYBGVCCSA-L 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H02J7/025—
-
- 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
- H02M7/21—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 triode or transistor type requiring continuous application of a control signal
- H02M7/217—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 triode or transistor type requiring continuous application of a control signal using semiconductor devices only
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses power control system and the method thereof of a kind of adaptive CT sensing power taking, power control system includes that CT sensing electricity-fetching module, full-wave rectification block, self-regulation power protection module and energy collect control module；CT sensing electricity-fetching module carries out power taking and obtains alternating voltage preset range electric current；Full-wave rectification block exports DC voltage after alternating voltage carries out all wave rectification；Charged in built-in energy pond by self-regulation power protection module according to DC voltage；When detection energy cell voltage is more than protection voltage, CT sensing electricity-fetching module is released；When detection energy cell voltage is less than or equal to protection voltage, export energy cell voltage；Energy is collected control module and is adjusted the power supply state to micropower load and the charged state of super capacitor according to the size of energy cell voltage；Self-regulation power protection module solves the problem that sensing power taking can not be automatically adjusted and protect by existing power supply system, can automatically store electric energy, switching energy.
Description
Technical field
The present invention relates to electromagnetic induction technical field, the power supply of a kind of adaptive CT sensing power taking controls
System and method.
Background technology
The distribution network automated scope related to of China is wide, but owing to lacking overall planning in early days, grid structure complexity is weak,
Probability of malfunction is high, especially overhead transmission line.Power failure and the fault disturbance of 90% occurs in power distribution network according to statistics；Wherein search also
Get rid of line fault point, become the key factor improving power supply quality.(FTU(line feed terminals sets to use distribution automation terminal
Standby) and DTU(switching station terminal equipment)) the big segmentation of backbone, the fault section and isolation of big branch can be realized.But the party
Case investment is relatively big, and China's distribution region is broad, is unfavorable for distribution automation all standing.National Energy Board can electric power [2015]
No. 290 files " distribution network construction transformation action plan " are distinctly claimed, from 2015-2020 power distribution automation coverage rate from present
20% reach more than 90%.The major product supporting vast scale covering is fault detector series products, and from planning, data calculate
Learn that the demand of the five-year fault detector series products is no less than 3,000,000 sets.Therefore, economical, to install portable two distant substantially
Type distribution on-line monitoring and fault location terminal become the major product realizing the covering of vast scale distribution automation.
Existing built on stilts two distant basic model distribution terminals mainly have following several, all there is more defect, particularly power supply
System power taking aspect is the most prominent, has a strong impact on products application.One is solar energy power taking；Which is by overcast and rainy, night and sky
Makings amount affects, and easily occurs that power-supply system power taking is not enough, it is impossible to support terminal long-play.Two is that CT senses power taking；Adopt
With electronic power switch, current minimum can power taking electric current be 10A, and more small area analysis power taking cannot realize, electric current power taking dead band and heat
Design needs to break through, it is impossible to sensing power taking is automatically adjusted and protected.Three is that built-in disposable Ni-MH battery is powered, and makes
Short with the life-span, after 3 ~ 4 years, probe cannot work.Four is high-voltage capacitance power taking or wireless power taking, stems from voltage sensor thinking, peace
Full property and energy transfer efficiency are difficult points, and are not suitable for livewire work installation.These defects have had a strong impact on distribution automation
On-line monitoring and the application effect of location, and then affect power supply reliability.
Therefore, the technological innovation of power system design is following key technology and development trend, and prior art need
Improve.
Summary of the invention
In place of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide the sensing power taking of a kind of adaptive CT
, there is electric current power taking dead band solving existing built on stilts two distant basic model distribution terminal power-supply systems in power control system and method thereof
Excessive, and the problem that can not automatically adjust and protect.
In order to achieve the above object, this invention takes techniques below scheme:
The power control system of a kind of adaptive CT sensing power taking, is connected with micropower load, comprising:
CT senses electricity-fetching module, obtains alternating voltage for preset range electric current carries out power taking；
Full-wave rectification block, exports DC voltage after alternating voltage carries out all wave rectification；
Self-regulation power protection module, for charging to built-in energy pond according to DC voltage；Detection energy cell voltage is more than
During protection voltage, CT sensing electricity-fetching module is released；When detection energy cell voltage is less than or equal to protection voltage, export energy
Cell voltage；
Energy collects control module, for adjusting the power supply state to micropower load and super according to the size of energy cell voltage
The charged state of electric capacity.
In the power control system of described adaptive CT sensing power taking, described CT sensing electricity-fetching module includes two semicircles
The iron core of ring body, two iron core Guan Bi composition one torus；The coil that winding is nanocrystalline material arranged on arbitrary iron core, around
One end of group is drawn two terminals and is connected full-wave rectification block.
In the power control system of described adaptive CT sensing power taking, the described a diameter of 54.4mm of toric inner circle,
Outside diameter is 80.6mm；A height of 12.6mm of semi-circular ring, a width of 13.1mm of semi-circular ring.
In the power control system of described adaptive CT sensing power taking, the described iron core that winding is set is provided with and forbids
Winding region.
In the power control system of described adaptive CT sensing power taking, described self-regulation power protection module includes first
Metal-oxide-semiconductor, diode, energy pond, the first resistance and overvoltage control unit；
The source electrode of described first metal-oxide-semiconductor connects the 2nd foot and the positive pole of diode of rectifier bridge by the first resistance；Described diode
Negative pole connect energy and collect control module, the one end in energy pond and the input of overvoltage control unit；The grid of the first metal-oxide-semiconductor
Connecting the control end of overvoltage control unit, the drain electrode of the first metal-oxide-semiconductor connects the other end and the ground in energy pond.
In the power control system of described adaptive CT sensing power taking, described overvoltage control unit include comparable chip,
Second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance and the second metal-oxide-semiconductor；
+ IN the foot of described comparable chip connects one end of the second resistance, one end of the 3rd resistance and one end of the 5th resistance；Relatively
The VS foot of chip connects the other end of the second resistance, the one end in energy pond and one end of the 4th resistance；The OUT foot of comparable chip is even
Connect the other end of the 4th resistance, the other end of the 5th resistance, one end of the 6th resistance and the grid of the second metal-oxide-semiconductor；Comparable chip
GND foot connect the other end and the ground of the 3rd resistance, the source electrode of the second metal-oxide-semiconductor connects the grid of metal-oxide-semiconductor, the leakage of the second metal-oxide-semiconductor
Pole connects one end of the 7th resistance, and the other end of the 7th resistance connects the other end and the VS foot of comparable chip of the 6th resistance.
In the power control system of described adaptive CT sensing power taking, described overvoltage control unit also includes the first electric capacity
With the second electric capacity；
One end of described first electric capacity connects the VS foot of comparable chip, the other end ground connection of the first electric capacity, one end of the second electric capacity
Connecting OUT foot and the grid of the second metal-oxide-semiconductor of comparable chip, the other end of the second electric capacity connects GND foot and the ground of comparable chip.
In the power control system of described adaptive CT sensing power taking, described energy is collected control module and is included:
Battery；
Super capacitor；
MPPT control unit, for judging the size of energy cell voltage and exporting the control signal of correspondence；
Buck unit, obtains booster voltage or blood pressure lowering acquisition step-down voltage for carrying out boosting according to corresponding control signal；
Power conversion unit, after step-down voltage is carried out voltage conversion, output supplies voltage to micropower load supplying, also
Obtain charging voltage；And output supplies voltage to micro-after booster voltage, cell voltage or capacitance voltage are carried out voltage conversion
Power termination is powered；
Back-up source control unit, for when battery is powered, output cell voltage is to power conversion unit；
Charge and discharge control unit, for charging charging voltage to super capacitor；And when super capacitor is powered, control super electricity
Discharge capacitor output capacitance voltage is to power conversion unit.
A kind of power control method of the power control system using described adaptive CT sensing power taking, comprising:
Step A, preset range electric current is carried out power taking obtain alternating voltage, alternating voltage carries out exporting after all wave rectification direct current
Voltage；
Step B, according to DC voltage to energy pond charge；When detection energy cell voltage is more than protection voltage, CT is sensed power taking
Module is released；When detection energy cell voltage is less than or equal to protection voltage, export energy cell voltage；
Step C, adjust the power supply state to micropower load and the charged state of super capacitor according to the size of energy cell voltage.
Compared to prior art, the power control system of the adaptive CT sensing power taking that the present invention provides, sensed by CT
Electricity-fetching module carries out power taking and obtains alternating voltage preset range electric current (3 ~ 630A), and electric current is that 5A can sense power taking acquisition completely
Electric energy needed for the built on stilts two distant basic model distribution terminal global functions operations of foot, extends the service life of two distant basic model distribution terminals
And range of application；Full-wave rectification block exports DC voltage after alternating voltage carries out all wave rectification；Self-regulation power protection mould
Charged in built-in energy pond by tuber according to DC voltage；When detection energy cell voltage is more than protection voltage, CT is sensed power taking mould
Block is released；When detection energy cell voltage is less than or equal to protection voltage, export energy cell voltage；Energy collects control module root
Adjust the power supply state to micropower load and the charged state of super capacitor according to the size of energy cell voltage, make sensing power taking electricity
Can maintain maximum output all the time by power, electric energy is obtained by, and reduces waste and heating；Self-regulation power protection module is to power supply
System high-current sensing the moment impact electric current such as power taking or lightning surge automatically adjust and protect, can automatically store electric energy,
Switching energy.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the power control system Application Example of the adaptive CT sensing power taking that the present invention provides.
Fig. 2 be the present invention provide adaptive CT sensing power taking power control system in CT sensing electricity-fetching module signal
Figure.
Fig. 3 be the present invention provide adaptive CT sensing power taking power control system in CT sensing electricity-fetching module size
Schematic diagram.
Fig. 4 be the present invention provide adaptive CT sensing power taking power control system in CT sense electricity-fetching module, all-wave
Rectification module, the circuit diagram of self-regulation power protection module.
Fig. 5 be the present invention provide adaptive CT sensing power taking power control system in energy collect control module knot
Structure block diagram.
Fig. 6 is the power control method flow process of the power control system of the adaptive CT sensing power taking that the present invention provides
Figure.
Detailed description of the invention
Can not carry out sensing power taking by small area analysis for existing built on stilts two distant basic model distribution terminal power-supply systems to obtain
Global function run needed for electric energy, have a strong impact on the problem such as service life of its product.The present invention provides a kind of adaptive CT sense
Answer power control system and the method thereof of power taking, relate to electromagnetic induction technology, power electronics control and measurement technology；It is applied to line
Road load current is 3 ~ 600A, provides the electricity of working power for 10kV and 35k distribution line on-line monitoring and fault locator
Origin system；There is Power auto-adjustment and protection circuit, it is possible to sensing power taking reliable and stable in 3A ~ 630A current range.
For making the purpose of the present invention, technical scheme and advantage clearer, clear and definite, the present invention is entered by the embodiment that develops simultaneously referring to the drawings
One step describes in detail.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not used to limit this
Bright.Referring to Fig. 1, the power control system of the adaptive CT sensing power taking that the present invention provides is connected with micropower load, including
CT sensing electricity-fetching module 10, full-wave rectification block 20, self-regulation power protection module 30 and energy collect control module 40.Described
CT sensing electricity-fetching module 10, full-wave rectification block 20, self-regulation power protection module 30, energy are collected control module 40 and are connected successively
Connect.Described CT sensing electricity-fetching module 10 carries out power taking and obtains alternating voltage (AC ±), electric current preset range electric current (3A ~ 630A)
Little also can sense power taking to 5A and obtain the electric energy met needed for built on stilts two distant basic model distribution terminal global functions are run.All wave rectification
Module 20 exports DC voltage V after alternating voltage carries out all wave rectification.Self-regulation power protection module 30 is according to DC voltage V
To built-in energy pond charging；When detection energy cell voltage DC is more than the protection voltage set, in CT sensing electricity-fetching module 10
Sensing electricity taking coil carry out releasing (generally release to during threshold voltage and stop)；Detection energy cell voltage DC is less than or equal to protection
During voltage, export energy cell voltage DC.Energy is collected control module 40 and is adjusted micropower according to the size of energy cell voltage DC
The power supply state of load and the charging shape of super capacitor (super capacitor is again electrochemical capacitor, farad capacitor)
State, makes sensing power taking electric energy power maintain maximum output all the time, and electric energy is obtained by, and reduces waste and heating.
See also Fig. 2 and Fig. 3, described CT and sense electricity-fetching module 10 i.e. current transformer.The CT sensing of the present embodiment
Electricity-fetching module 10 includes the iron core 110 of two semi-circular ring, two iron core Guan Bi composition one torus, the winding 120 on iron core
Coil (i.e. sensing electricity taking coil) for nanocrystalline material.Described iron core coating, thick coating is 0.3mm.Described torus
Interior circular diameter d1 be 54.4mm, outside diameter d2 is 80.6mm；The high h of semi-circular ring is 12.6mm, and the wide w of semi-circular ring is
13.1mm.Coiling on only one iron core, the preferably number of turn are 600, and draw two terminals (i.e. Fig. 2 is left from one end of winding
Two parallel lines on limit) connect full-wave rectification block 20 respectively.And be provided with on this iron core and forbid winding region 130, as shown in Figure 3
Shadow region.Described forbid winding region 130 include being positioned at semi-circular ring one end first height H1(5mm) region and
The second height H2(14mm of semi-circular ring the other end) region.The more convenient user installation in winding region 130 is forbidden in setting.This
In embodiment, the error of all sizes is ± 0.2mm；The number of turns of iron core, winding area etc. are arranged and can apply according to reality
It is adjusted, it is not restricted herein.
Two semi-circular ring can be separated, and closes permanent opening by fixture after being enclosed within cable by torus.Electric current is mutual
By primary current in the middle of sensor, Secondary Winding just can induce weak voltage, the terminals of Secondary Winding is received all-wave whole
Flow module 20, then process through follow-up self-regulation power protection module 30 and energy collection control module 40, the most desirable
Supply voltage needed for.Arranged by above-mentioned size and the material of coil selects, so can realize built on stilts two distant basic models
The distribution terminal power taking to more small area analysis (such as 5A), meets the working power needed for Micro Energy Lose load, and prior art can only be right
The small area analysis power taking of minimum 10A.
Seeing also Fig. 4, described full-wave rectification block 20 is rectifier bridge, and its internal diode can use Schottky two
Pole pipe or low-loss diode.1st foot of rectifier bridge connects the negative terminals of CT sensing electricity-fetching module 10, the 3rd foot of rectifier bridge
Connecting the positive terminals of CT sensing electricity-fetching module 10, the 2nd foot of rectifier bridge connects self-regulation power protection module 30, rectifier bridge
4th foot ground connection.
Described self-regulation power protection module 30 includes that high-power the first controlled metal-oxide-semiconductor Q1(model of Low ESR is
CSD18563Q5A), diode D, C0(capacitive energy pond, energy pond), the first resistance R1 and overvoltage control unit 310；Described
The source electrode of one metal-oxide-semiconductor Q1 connects the 2nd foot and the positive pole of diode D of rectifier bridge by the first resistance R1；Described diode D's is negative
Pole connects energy and collects control module 40, one end of energy pond C0 and the input in of overvoltage control unit 310；First metal-oxide-semiconductor
The grid of Q1 connect the drain electrode of the control end ct, the first metal-oxide-semiconductor Q1 of overvoltage control unit 310 connect energy pond C0 the other end and
Ground.
Energy pond C0 is charged by the DC voltage V of full-wave rectification block 20 output.The protection voltage assuming energy pond C0 is
U0, rated voltage are Ut.When overvoltage control unit 310 detects energy cell voltage DC less than or equal to protection voltage, letter is closed in output
Number controlling the first metal-oxide-semiconductor Q1 cut-off, energy cell voltage DC to follow-up energy collects control module 40.Serve as pressing control unit
When 310 detection energy cell voltage DC are more than the protection voltage U0 set, output is opened signal and is controlled the first metal-oxide-semiconductor Q1 conducting, then
The outfan of full-wave rectification block 20 is shorted.DC voltage V strides across energy pond C0 and (is equivalent to the electricity on coil with being released to
Pressure is released, and no longer charges energy pond C0), meanwhile, the electric energy on the C0 of energy pond is let out also by overvoltage control unit 310
Putting, energy cell voltage DC declines.
Owing to energy pond C0 can be charged by follow-up being also possible to, energy cell voltage DC must be made to drop to reach ability during threshold voltage
Stopping is released.The most described overvoltage control unit 310 also detects output shutdown signal when pressure DC drops to reach threshold voltage and controls
First metal-oxide-semiconductor Q1 cut-off, short circuit disappearance stopping is released.
In the present embodiment, by low power consumption voltage, overvoltage control unit 310 monitors that element and comparison control circuit form, specifically
Including: comparable chip U(model is LT6703IDC-3#TRMPBF), the second resistance R2, the 3rd resistance R3, the 4th resistance R4,
Five resistance R5, the 6th resistance R6, the 7th resistance R7 and the second metal-oxide-semiconductor Q2；+ IN the foot of described comparable chip U connects the second resistance
One end of R2, one end of the 3rd resistance R3 and one end of the 5th resistance R5；The VS foot of comparable chip U connects the another of the second resistance R2
One end (i.e. the input in of overvoltage control unit 310), one end of energy pond C0 and one end of the 4th resistance R4；Comparable chip U
OUT foot connect the other end of the 4th resistance R4, the other end of the 5th resistance R5, one end of the 6th resistance R6 and the second metal-oxide-semiconductor
The grid of Q2；The GND foot of comparable chip U connects the other end and ground, source electrode (the i.e. overvoltage of the second metal-oxide-semiconductor Q2 of the 3rd resistance R3
The control end ct of control unit 310) connect metal-oxide-semiconductor Q1 grid, the second metal-oxide-semiconductor Q2 drain electrode connect the 7th resistance R7 one
End, the other end of the 7th resistance R7 connects the other end and the VS foot of comparable chip U of the 6th resistance R6.
Wherein, described second metal-oxide-semiconductor Q2 is NMOS tube, and comparable chip U judges that energy cell voltage DC is less than or equal to protection electricity
During pressure U0, output low level controls the second metal-oxide-semiconductor Q2 cut-off, and the source electrode of the second metal-oxide-semiconductor Q2 is equivalent to export shutdown signal (without electricity
Pressure, is equivalent to low level).When comparable chip U judges energy cell voltage DC more than protection voltage U0, output high level controls the
Two metal-oxide-semiconductor Q2 conductings, the unlatching signal of the source electrode output high level of the second metal-oxide-semiconductor Q2.
In further embodiment, described overvoltage control unit 310 also includes the first electric capacity C1 and the second electric capacity C2；Described
One end of one electric capacity C1 connects the VS foot of comparable chip U, the other end ground connection of the first electric capacity C1, and one end of the second electric capacity C2 connects
The OUT foot of comparable chip U and the grid of the second metal-oxide-semiconductor Q2, the other end of the second electric capacity C2 connect comparable chip U GND foot and
Ground.Energy cell voltage DC can be filtered by described first electric capacity C1, makes to export stable high electricity during the second metal-oxide-semiconductor Q2 conducting
Flat.The grid voltage of the second metal-oxide-semiconductor Q2 is filtered by the second electric capacity C2, makes the second metal-oxide-semiconductor Q2 more stable when turning on.
Seeing also Fig. 5, described energy is collected control module 40 and is included MPPT(Maximum Power Point
Tracking, MPPT maximum power point tracking) control unit 41, buck unit 42, power conversion unit 43, back-up source control
Unit 44, charge and discharge control unit 45, the super capacitor 47 of battery (Ni-MH battery) 46 and 5.5V of 3.3V.Described MPPT controls single
Unit's 41 built-in voltage comparators, by being compared to carry out follow-up buck adjustment to the size of energy cell voltage DC, can begin
Maintaining CT sensing output eventually near maximum power point, entirety improves power taking ability.Described MPPT control unit 41 is used for judging
The size of energy cell voltage also exports the control signal of correspondence.Buck unit 42 is for rising according to corresponding control signal
Pressure obtains booster voltage or blood pressure lowering obtains step-down voltage.Power conversion unit is defeated after step-down voltage is carried out voltage conversion
Go out to supply voltage to micropower load supplying, also obtain charging voltage；And to booster voltage, cell voltage or capacitance voltage
After carrying out voltage conversion, output supplies voltage to micropower load supplying.Back-up source control unit is used for when battery is powered,
Output cell voltage is to power conversion unit.Charge and discharge control unit, for charging charging voltage to super capacitor；And super
During level capacitances to supply power, control super capacitor electric discharge output capacitance voltage to power conversion unit.
Particularly as follows: when MPPT control unit 41 judges energy cell voltage DC more than upper limit threshold values, control buck unit
42 blood pressure lowerings obtain step-down voltage.Power conversion unit 43 carries out voltage conversion (being converted to) and exports supply voltage afterwards step-down voltage
To micropower load supplying, also output charging voltage is charged to super capacitor by charge and discharge control unit 45.
When MPPT control unit 41 judges energy cell voltage DC less than lower limit threshold values, control buck unit 42 boosting and obtain
Obtain booster voltage.After power conversion unit 43 carries out voltage conversion to booster voltage, output supplies voltage to micropower load confession
Electricity, the most only powers and does not charges super capacitor.
Described battery 46, as back-up source, when needs battery is powered, is exported battery by back-up source control unit 44
Voltage, is converted to supply voltage to micropower load supplying through power conversion unit 43.Need not battery when powering, back-up source
Control unit 44 disconnects the output channel of battery 46.
When needing super capacitor to power, charge and discharge control unit 45 controls super capacitor 47 and discharges, through power conversion unit 43
Be converted to supply voltage to micropower load supplying.Charge and discharge control unit 45 uses hardware type to be automatically adjusted charging current method,
The charging current to super capacitor can be automatically adjusted according to line load size of current and system micropower load state,
Big degree improves capacity usage ratio, the use of balanced energy, reduces energy heating waste.
In the specific implementation, described energy collects the intelligent integrated formula energy that control module 40 can use model to be ADP5091
Amount gathers power management chip.
Power control system based on above-mentioned adaptive CT sensing power taking, the present invention also provides for a kind of adaptive CT sensing
The power control method of power taking, sees also Fig. 6, and described power control method includes:
S100, preset range electric current is carried out power taking obtain alternating voltage, alternating voltage carries out exporting after all wave rectification direct current
Voltage；
S200, according to DC voltage to energy pond charge；When detection energy cell voltage is more than protection voltage, CT is sensed power taking mould
Block is released；When detection energy cell voltage is less than or equal to protection voltage, export energy cell voltage；
S300, adjust the power supply state to micropower load and the charged state of super capacitor according to the size of energy cell voltage.
In sum, the power control system of the adaptive CT of present invention sensing power taking, for existing built on stilts two distant substantially
The power-supply system defect present situation of type distribution terminal, uses multichannel power management system, collection CT power taking pressure point of maximum efficiency to follow the tracks of
(MPPT), battery, super capacitor, in one, possess self-regulation power protection circuit, automatically store electric energy, the power supply of switching energy
Power taking control function, can continuous power taking in the range of circuit 3A ~ 630A, circuit 5A can meet power distribution network on-line monitoring and fault
The properly functioning required energy of positioning acquisition unit, it is not necessary to by battery, thus effectively extend life of product, greatly improve two
The working power reliability of distant distribution power automation terminal, meets the working power demand of built on stilts two distant basic model distribution terminals.
For line fault overcurrent and lightning impulse, carry out self adaptation by self-regulation power protection module and release anti-
Protect, thus realize sensing power taking and be automatically adjusted and protect.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can
To be improved according to the above description or to convert, all these modifications and variations all should belong to the guarantor of claims of the present invention
Protect scope.
Claims (9)
1. a power control system for adaptive CT sensing power taking, is connected with micropower load, it is characterised in that including:
CT senses electricity-fetching module, obtains alternating voltage for preset range electric current carries out power taking；
Full-wave rectification block, exports DC voltage after alternating voltage carries out all wave rectification；
Self-regulation power protection module, for charging to built-in energy pond according to DC voltage；Detection energy cell voltage is more than
During protection voltage, CT sensing electricity-fetching module is released；When detection energy cell voltage is less than or equal to protection voltage, export energy
Cell voltage；
Energy collects control module, for adjusting the power supply state to micropower load and super according to the size of energy cell voltage
The charged state of electric capacity.
The power control system of adaptive CT the most according to claim 1 sensing power taking, it is characterised in that described CT senses
Electricity-fetching module includes the iron core of two semi-circular ring, two iron core Guan Bi composition one torus；The winding arranged on arbitrary iron core
For the coil of nanocrystalline material, one end of winding is drawn two terminals and is connected full-wave rectification block.
The power control system of adaptive CT the most according to claim 2 sensing power taking, it is characterised in that described torus
The a diameter of 54.4mm of inner circle, outside diameter is 80.6mm；A height of 12.6mm of semi-circular ring, semi-circular ring a width of
13.1mm。
Adaptive CT the most according to claim 2 sensing power taking power control system, it is characterised in that described setting around
It is provided with on the iron core of group and forbids winding region.
The power control system of adaptive CT the most according to claim 1 sensing power taking, it is characterised in that described self-regulation
Power protection module includes the first metal-oxide-semiconductor, diode, energy pond, the first resistance and overvoltage control unit；
The source electrode of described first metal-oxide-semiconductor connects the 2nd foot and the positive pole of diode of rectifier bridge by the first resistance；Described diode
Negative pole connect energy and collect control module, the one end in energy pond and the input of overvoltage control unit；The grid of the first metal-oxide-semiconductor
Connecting the control end of overvoltage control unit, the drain electrode of the first metal-oxide-semiconductor connects the other end and the ground in energy pond.
The power control system of adaptive CT the most according to claim 5 sensing power taking, it is characterised in that described the most voltage-controlled
Unit processed includes comparable chip, the second resistance, the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance, the 7th resistance and
Two metal-oxide-semiconductors；
+ IN the foot of described comparable chip connects one end of the second resistance, one end of the 3rd resistance and one end of the 5th resistance；Relatively
The VS foot of chip connects the other end of the second resistance, the one end in energy pond and one end of the 4th resistance；The OUT foot of comparable chip is even
Connect the other end of the 4th resistance, the other end of the 5th resistance, one end of the 6th resistance and the grid of the second metal-oxide-semiconductor；Comparable chip
GND foot connect the other end and the ground of the 3rd resistance, the source electrode of the second metal-oxide-semiconductor connects the grid of metal-oxide-semiconductor, the leakage of the second metal-oxide-semiconductor
Pole connects one end of the 7th resistance, and the other end of the 7th resistance connects the other end and the VS foot of comparable chip of the 6th resistance.
The power control system of adaptive CT the most according to claim 6 sensing power taking, it is characterised in that described the most voltage-controlled
Unit processed also includes the first electric capacity and the second electric capacity；
One end of described first electric capacity connects the VS foot of comparable chip, the other end ground connection of the first electric capacity, one end of the second electric capacity
Connecting OUT foot and the grid of the second metal-oxide-semiconductor of comparable chip, the other end of the second electric capacity connects GND foot and the ground of comparable chip.
The power control system of adaptive CT the most according to claim 4 sensing power taking, it is characterised in that described energy is searched
Collection control module includes:
Battery；
Super capacitor；
MPPT control unit, for judging the size of energy cell voltage and exporting the control signal of correspondence；
Buck unit, obtains booster voltage or blood pressure lowering acquisition step-down voltage for carrying out boosting according to corresponding control signal；
Power conversion unit, after step-down voltage is carried out voltage conversion, output supplies voltage to micropower load supplying, also
Obtain charging voltage；And output supplies voltage to micro-after booster voltage, cell voltage or capacitance voltage are carried out voltage conversion
Power termination is powered；
Back-up source control unit, for when battery is powered, output cell voltage is to power conversion unit；
Charge and discharge control unit, for charging charging voltage to super capacitor；And when super capacitor is powered, control super electricity
Discharge capacitor output capacitance voltage is to power conversion unit.
9. use the power control method of power control system for adaptive CT sensing power taking described in claim 1, its
It is characterised by, including:
Step A, preset range electric current is carried out power taking obtain alternating voltage, alternating voltage carries out exporting after all wave rectification direct current
Voltage；
Step B, according to DC voltage to energy pond charge；When detection energy cell voltage is more than protection voltage, CT is sensed power taking
Module is released；When detection energy cell voltage is less than or equal to protection voltage, export energy cell voltage；
Step C, adjust the power supply state to micropower load and the charged state of super capacitor according to the size of energy cell voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610712270.4A CN106160150B (en) | 2016-08-24 | 2016-08-24 | A kind of adaptive CT induction takes the power control system and its method of electricity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610712270.4A CN106160150B (en) | 2016-08-24 | 2016-08-24 | A kind of adaptive CT induction takes the power control system and its method of electricity |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106160150A true CN106160150A (en) | 2016-11-23 |
| CN106160150B CN106160150B (en) | 2019-01-04 |
Family
ID=57343214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610712270.4A Expired - Fee Related CN106160150B (en) | 2016-08-24 | 2016-08-24 | A kind of adaptive CT induction takes the power control system and its method of electricity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106160150B (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086659A (en) * | 2017-05-05 | 2017-08-22 | 国网信息通信产业集团有限公司 | The power supply unit of sensing device built in charging equipment |
| CN107222009A (en) * | 2017-05-12 | 2017-09-29 | 珠海许继电气有限公司 | A kind of power-supply system of the communicator based on solar energy power taking |
| CN108899978A (en) * | 2018-07-10 | 2018-11-27 | 杨勇 | High reliability wide working range induction energy fetching device and regulation method based on adjustable impedance |
| CN109061389A (en) * | 2018-09-05 | 2018-12-21 | 北京国网富达科技发展有限责任公司 | Control method, controller, fault section diagnosis method, apparatus and system |
| CN109638898A (en) * | 2018-12-27 | 2019-04-16 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七二研究所） | A kind of high-speed railway touching net CT electricity getting device and method |
| CN110212594A (en) * | 2019-06-19 | 2019-09-06 | 北京华清智电科技股份有限公司 | A kind of route CT energy acquisition and accumulation power supply |
| CN110595639A (en) * | 2019-08-05 | 2019-12-20 | 贵州电网有限责任公司 | Power transmission line node temperature rise monitoring device based on induction electricity taking |
| CN111864888A (en) * | 2020-07-22 | 2020-10-30 | 石家庄科林电气股份有限公司 | Method for automatically adjusting operation mode |
| CN112104022A (en) * | 2020-08-31 | 2020-12-18 | 浙江树人学院（浙江树人大学） | CT power supply |
| CN112701796A (en) * | 2020-12-21 | 2021-04-23 | 青岛鼎信通讯股份有限公司 | Fault indicator power management circuit based on CT energy taking |
| CN113721108A (en) * | 2021-07-13 | 2021-11-30 | 深圳市科陆电子科技股份有限公司 | Acquisition equipment, low-power-consumption control method and transient recording type fault indicator |
| CN113824217A (en) * | 2021-01-12 | 2021-12-21 | 青岛鼎信通讯股份有限公司 | CT power taking system based on maximum power point tracking |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130249479A1 (en) * | 2011-01-18 | 2013-09-26 | Mojo Mobility, Inc. | Systems and methods for wireless power transfer |
| CN103632823A (en) * | 2013-12-06 | 2014-03-12 | 国家电网公司 | Double-air-gap core electronic current transformer |
| CN204271730U (en) * | 2014-06-18 | 2015-04-15 | 镇江瑞清电子科技有限公司 | A kind of current transformer super capacitor electricity getting device |
| CN105245020A (en) * | 2015-10-18 | 2016-01-13 | 国家电网公司 | Power supply source for 3G wireless network video monitoring device |
| CN106160259A (en) * | 2016-07-29 | 2016-11-23 | 国网山东省电力公司济宁供电公司 | Micro Energy Lose power-supply system and method for work based on the sensing power taking of line load electric current |
-
2016
- 2016-08-24 CN CN201610712270.4A patent/CN106160150B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130249479A1 (en) * | 2011-01-18 | 2013-09-26 | Mojo Mobility, Inc. | Systems and methods for wireless power transfer |
| CN103632823A (en) * | 2013-12-06 | 2014-03-12 | 国家电网公司 | Double-air-gap core electronic current transformer |
| CN204271730U (en) * | 2014-06-18 | 2015-04-15 | 镇江瑞清电子科技有限公司 | A kind of current transformer super capacitor electricity getting device |
| CN105245020A (en) * | 2015-10-18 | 2016-01-13 | 国家电网公司 | Power supply source for 3G wireless network video monitoring device |
| CN106160259A (en) * | 2016-07-29 | 2016-11-23 | 国网山东省电力公司济宁供电公司 | Micro Energy Lose power-supply system and method for work based on the sensing power taking of line load electric current |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086659A (en) * | 2017-05-05 | 2017-08-22 | 国网信息通信产业集团有限公司 | The power supply unit of sensing device built in charging equipment |
| CN107222009A (en) * | 2017-05-12 | 2017-09-29 | 珠海许继电气有限公司 | A kind of power-supply system of the communicator based on solar energy power taking |
| CN107222009B (en) * | 2017-05-12 | 2023-11-03 | 珠海许继电气有限公司 | Power supply system of communication device based on solar power taking |
| CN108899978B (en) * | 2018-07-10 | 2021-11-30 | 杨勇 | High-reliability large-working-range induction energy-taking device based on adjustable impedance and regulation and control method |
| CN108899978A (en) * | 2018-07-10 | 2018-11-27 | 杨勇 | High reliability wide working range induction energy fetching device and regulation method based on adjustable impedance |
| CN109061389A (en) * | 2018-09-05 | 2018-12-21 | 北京国网富达科技发展有限责任公司 | Control method, controller, fault section diagnosis method, apparatus and system |
| CN109638898A (en) * | 2018-12-27 | 2019-04-16 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七二研究所） | A kind of high-speed railway touching net CT electricity getting device and method |
| CN109638898B (en) * | 2018-12-27 | 2022-05-31 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | High-speed railway contact net CT electricity taking device and method |
| CN110212594A (en) * | 2019-06-19 | 2019-09-06 | 北京华清智电科技股份有限公司 | A kind of route CT energy acquisition and accumulation power supply |
| CN110595639A (en) * | 2019-08-05 | 2019-12-20 | 贵州电网有限责任公司 | Power transmission line node temperature rise monitoring device based on induction electricity taking |
| CN111864888A (en) * | 2020-07-22 | 2020-10-30 | 石家庄科林电气股份有限公司 | Method for automatically adjusting operation mode |
| CN112104022A (en) * | 2020-08-31 | 2020-12-18 | 浙江树人学院（浙江树人大学） | CT power supply |
| CN112701796A (en) * | 2020-12-21 | 2021-04-23 | 青岛鼎信通讯股份有限公司 | Fault indicator power management circuit based on CT energy taking |
| CN113824217A (en) * | 2021-01-12 | 2021-12-21 | 青岛鼎信通讯股份有限公司 | CT power taking system based on maximum power point tracking |
| CN113721108A (en) * | 2021-07-13 | 2021-11-30 | 深圳市科陆电子科技股份有限公司 | Acquisition equipment, low-power-consumption control method and transient recording type fault indicator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106160150B (en) | 2019-01-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106160150B (en) | A kind of adaptive CT induction takes the power control system and its method of electricity | |
| CN105914868B (en) | Super capacitor energy-storage uninterruptible power supply and its method of supplying power to based on current transformer | |
| CN106532884B (en) | Battery charger and method | |
| CN203312887U (en) | DC emergency power supply | |
| CN203747451U (en) | Battery charging device | |
| CN205622303U (en) | Utilize super capacitor to realize that current transformer of uninterrupted power supply gets electric power supply circuit | |
| CN106160259B (en) | Micro-power-consumption power supply system based on line load current induction electricity taking and working method | |
| CN105680559B (en) | A kind of transformer station direct current system | |
| CN107589349B (en) | High voltage induction electricity getting system | |
| CN204347122U (en) | For reducing the thunderbolt detection system that the transmission line of electricity of tripping rate with lightning strike is transformed | |
| CN203339816U (en) | Induction power-taking power supply management system | |
| CN106487101A (en) | A kind of current transformer energy taking device based on load control and method | |
| CN204761146U (en) | Bimodulus power supply | |
| CN206117261U (en) | Self -adaptation CT induction electricity -taking's power control system | |
| CN106786886A (en) | A kind of wireless charging system charging method based on remained capacity technology | |
| CN101704359A (en) | Electric car charger | |
| CN204008785U (en) | Measurement loop fault monitoring system | |
| CN204721106U (en) | Based on the power transmission line overhead ground wire electromagnetism energy taking device of super capacitor | |
| CN104779694A (en) | High-energy-efficiency uninterrupted high frequency switching power supply in ATM | |
| CN207559679U (en) | High-power portable electrical equipment and its power control | |
| CN204089343U (en) | The distribution power automation terminal possessing backup power system under low temperature environment | |
| CN106707368B (en) | Novel power supply mode's transmission line environment meteorological monitoring device | |
| CN204008906U (en) | A kind of special change acquisition terminal with high tension loop monitoring | |
| CN206740851U (en) | A kind of resonance power taking for being embedded in switch and residual voltage measuring system | |
| CN105870998B (en) | A kind of rectification module dormancy control method of transformer station direct current system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| 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: 20190104 Termination date: 20190824 |