CN106712046A - SVC synchronous switching system based on transient variable dynamic measurement technology and SVC synchronization switching method thereof - Google Patents
SVC synchronous switching system based on transient variable dynamic measurement technology and SVC synchronization switching method thereof Download PDFInfo
- Publication number
- CN106712046A CN106712046A CN201611047759.0A CN201611047759A CN106712046A CN 106712046 A CN106712046 A CN 106712046A CN 201611047759 A CN201611047759 A CN 201611047759A CN 106712046 A CN106712046 A CN 106712046A
- Authority
- CN
- China
- Prior art keywords
- module
- dsp
- signal
- button
- power
- 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.)
- Pending
Links
- 238000005259 measurement Methods 0.000 title claims abstract description 32
- 238000005516 engineering process Methods 0.000 title claims abstract description 23
- 230000001052 transient effect Effects 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000001360 synchronised effect Effects 0.000 title claims abstract description 14
- 238000012360 testing method Methods 0.000 claims abstract description 37
- 238000004891 communication Methods 0.000 claims abstract description 14
- 238000012544 monitoring process Methods 0.000 claims abstract description 8
- 238000012545 processing Methods 0.000 claims description 21
- 101150115013 DSP1 gene Proteins 0.000 claims description 16
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 238000005096 rolling process Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 3
- 230000006698 induction Effects 0.000 claims description 2
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 claims 7
- 230000008901 benefit Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010892 electric spark Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/18—Arrangements for adjusting, eliminating or compensating reactive power in networks
- H02J3/1821—Arrangements for adjusting, eliminating or compensating reactive power in networks using shunt compensators
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/10—Flexible AC transmission systems [FACTS]
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention provides a SVC synchronous switching system based on a transient variable dynamic measurement technology and a SVC synchronous switching method thereof. The system mainly comprises a DSP, a power factor test module, a keyboard input module, a display module, an alarm module, a communication module, a switching trigger module, a synchronous switching control module, a compensation module, a central monitoring computer and a power grid. The system has the advantages of being simple in structure, fast in compensation speed and great in real-time performance so that the quality of the power grid can be greatly improved, the operation cost of the enterprise can be saved and the economic benefit can be enhanced.
Description
Technical field：It is more particularly to a kind of based on the measurement of transient state variable dynamic the invention belongs to reactive power compensation technology field
Technology SVC synchronization fling-cut systems.
Background technology：At present, the big enterprise of domestic power consumption is numerous, the perception not waited containing capacity in electrical equipment
Equipment, causes enterprise also to consume substantial amounts of reactive power while active power is consumed.For example, average power factor is 0.7-
When between 0.85, the reactive power of enterprise's consumption constitutes about the 60%-90% of active power, if power factor brings up to 0.95
Left and right, the ratio of reactive power consumption significantly declines, and only occupies the 30% of work(consumption.It can be seen that, power factor is improved for enterprise's band
Carry out significant economic benefit, especially in national grid using power factor as under the foundation system of electricity price height, improve power
Factor can reduce enterprise's electricity charge spending.Meanwhile, improving power factor can reduce load current, increase the load capacity of equipment,
Reduce the spending of enterprise's electric equipment.Centralized compensation mode being used existing reactive power compensation technology, (the exchange based on static compensation more
Contactor is fling-cut switch), compensation precision is low, following feature is poor, and contactor control will increase added losses, and switching process is produced
Raw electric spark, influences the security and service life of whole equipment.
The content of the invention：
Goal of the invention：Invention provides a kind of based on transient state variable dynamic e measurement technology SVC synchronization fling-cut systems and method, its
Purpose be solve in the past the problems of.
Technical scheme：Invention is achieved through the following technical solutions：
Based on transient state variable dynamic e measurement technology SVC synchronization fling-cut systems, the system mainly includes that DSP, power factor are surveyed
Die trial block, input through keyboard module, display module, alarm module, communication module, switching trigger module, synchronous switching control module,
Compensating module, central monitoring computer and power network；The measurement end of wherein power factor test module is connected with power network, power because
The signal output part of number test modules is connected with the signal input part of DSP, the output end of input through keyboard module and the signal of DSP
Input is connected, and the input of display module is connected with the signal output end member of DSP, the input and DSP of alarm module
Signal output part be connected, the input of communication module is connected with the communication output end of DSP, the output end of communication module with
Central monitoring computer is connected, and the signal input part of switching trigger module is connected with the signal output part of DSP, synchronous switching
The input of control module is connected with the output end of switching trigger module, and the control end of compensating module controls mould with synchronous switching
The output end of block is connected.
Power factor test module mainly includes voltage transformer, current transformer, signal processing circuit A, signal transacting
Circuit B, power test unit, AVR single chip and phototube coupling unit, the wherein measurement end of voltage transformer, current transformer
It is connected with power network, the signal output part of voltage transformer is connected with the signal input part of signal processing unit A, Current Mutual Inductance
The signal output part of device is connected with the signal input part of signal processing circuit B, signal processing circuit A, signal processing circuit B
Signal output part is connected with the signal input part of power test unit, signal output part and the AVR monolithics of power test unit
The signal access port of machine is connected, and the signal output part of AVR single chip is connected with the signal input part of phototube coupling unit, light
The signal output part for electrically insulating unit is connected with the signal input part of DSP.
The hardware connecting circuit of input through keyboard module and DSP by the first button, the second button, the 3rd button, the 4th button,
First resistor, second resistance, 3rd resistor, the 4th resistance and power supply composition, wherein the ground phase of one end of the first button and power supply
Connection, the other end of the first button is connected with the signal input part of one end of first resistor and DSP, the other end of first resistor
It is connected with the positive level of power supply, one end of the second button is connected with the ground of power supply, the other end and second resistance of the second button
One end and the signal input part of DSP be connected, the other end of second resistance is connected with the positive level of power supply, the one of the 3rd button
End is connected with the ground of power supply, and the other end of the 3rd button is connected with one end of 3rd resistor and the signal input part of DSP, the
The other end of three resistance is connected with the positive level of power supply, and one end of the 4th button is connected with the ground of power supply, the 4th button it is another
One end is connected with one end of the 4th resistance and the signal input part of DSP, and the other end of the 4th resistance is connected with the positive level of power supply
Connect.
By measuring fixed mount setting on measured object, fixing rack for sensor includes the measurement end of power factor test module
Supporting case, upper V-arrangement support card, lower V-arrangement support card and adjusting bolt；At the two ends of supporting case, limited location slideway, spacing cunning are set
Road is the bar shaped slideway set along supporting case length direction；
Upper V-arrangement support card includes upper snap arm and upper idle rod, and upper snap arm and upper idle rod connect to form V-arrangement knot by torsion spring
Structure；Lower V-arrangement support card includes lower snap arm and lower idle rod, and lower snap arm and lower idle rod connect to form V-arrangement by another torsion spring
Structure；Two torsion springs are enclosed within traveling roller, and traveling roller is provided centrally with the axis of rolling, and the two ends of the axis of rolling put in spacing
Moved in slideway and when in use along spacing slideway；
Upper idle rod is flexibly connected with lower idle rod by movable axis, and movable axis connects screwed pull lever, is pulled
Bar is coordinated through supporting case and by screw thread along the direction vertical with spacing slideway with supporting case screw thread；
It is provided with for pushing down the fixed compressing tablet of the transverse direction of sensor in horizontal direction in the upper end of upper snap arm.
Input through keyboard module is used to set system running pattern, power factor, voltage and current parameter, using answering for 4*1
With keyboard, when keyboard signal output, DSP1, come key range, and performs input through keyboard module according to corresponding I/O mouthfuls of state
Instruction.
Using the above-mentioned transient state variable dynamic implemented based on transient state variable dynamic e measurement technology SVC synchronizations fling-cut system
E measurement technology SVC synchronization operation/cutting methods, it is characterised in that：The method process is as follows：
(1) voltage and current transformer Real-time Collection line voltage and current signal, by being fed back after signal processing unit
Give power factor test module；
(2) power factor test module collection voltages and current curve, according to voltage and the phase angle difference of current waveformMeter
Calculate the power factor of power network；
(3) power factor of DSP collection power factors test module feedback, voltage and current signal, call power factor
Preset value, and be compared；
(4) according to power factor deviation, calculating needs switching capacity, judges the switching mode of compensation device DSP；
(5) the rational switching moment is selected according to voltage, current phase angle, realizes the no-flashy-flow full automatic feeding of compensation device
Cut.
Advantageous effect：One kind its advantage and is had based on transient state variable dynamic e measurement technology SVC synchronization fling-cut systems and method
Beneficial effect is：Using DSP and the data-handling capacity of AVR single chip dual processor, realize to electric power enterprise power factor of electric network
Automation regulation.The patent is based on transient state variable measure theory, can be at line voltage zero point to input compensation device, electric current
Compensation device is cut off at zero point, suppresses shoving for compensation device switching generation.This patent have simple structure, compensation speed it is fast,
The advantages of real-time is good, can be good at improving power grid quality, save enterprise operation cost, increase economic efficiency..
Brief description of the drawings
Fig. 1 is based on transient state variable dynamic e measurement technology SVC synchronization fling-cut system overall structure figures；
Fig. 2 is power factor test module structure diagram；
Fig. 3 is the hardware connecting circuit figure of input through keyboard module and DSP1；
Fig. 4 is power factor test module collection voltages and current curve diagram；
Fig. 5 is the schematic diagram for measuring fixed mount.
1 DSP；2 power factor test modules；3 input through keyboard modules；4 display modules；5 alarm modules；6 communication modules；7
Switching trigger module；8 synchronous switching control modules；9 compensating modules；10 central monitoring computers；11 power networks；12 mutual induction of voltage
Device；13 current transformers；14 signal processing circuit A；15 signal processing circuit B；16 power test units；17 AVR single chips；
18 phototube coupling units；19 first buttons；20 second buttons；21 the 3rd buttons；22 the 4th buttons；23 first resistors；24 second
Resistance；25 3rd resistors；26 the 4th resistance；27 power supplys.
Specific embodiment
As shown in figure 1, invention provides a kind of based on transient state variable dynamic e measurement technology SVC synchronization fling-cut systems and method,
Its realize power network transient state variable in real time measurement and the full-automatic switching of compensation device no-flashy-flow, improve enterprise's power equipment power because
Number, saves operating cost.
Based on transient state variable dynamic e measurement technology SVC synchronization fling-cut systems structure chart as shown in Figure 1, mainly include
DSP1, power factor test module 2, input through keyboard module 3, display module 4, alarm module 5, communication module 6, switching trigger mode
Block 7, synchronous switching control module 8, compensating module 9, central monitoring computer 10 and power network 11, wherein power factor test module
2 measurement end is connected with power network 11, and the signal output part of power factor test module 2 is connected with the signal input part of DSP1
Connect, the output end of input through keyboard module 3 is connected with the signal input part of DSP1, the input of display module 4 and the letter of DSP1
Number output end member be connected, the input of alarm module 5 is connected with the signal output part of DSP1, the input of communication module 6
It is connected 17 with the communication output end of DSP1, the output end of communication module 6 is connected with central monitoring computer 10, switching triggering
The signal input part of module 7 is connected with the signal output part of DSP1, and input and the switching of synchronous switching control module 8 are triggered
The output end of module 7 is connected, and the control end of compensating module 9 is connected with the output end of synchronous switching control module 8.
Power factor test module structure chart as shown in Figure 2, mainly include voltage transformer 12, current transformer 13,
Signal processing circuit A14, signal processing circuit B15, power test unit 16, AVR single chip 17, phototube coupling unit 18, its
Middle voltage transformer 12, the measurement end of current transformer 13 are connected with power network 11, the signal output part of voltage transformer 12 with
The signal input part of signal processing unit A14 is connected, and the signal output part of current transformer 13 is with signal processing circuit B15's
Signal input part is connected, signal processing circuit A14, the signal output part of signal processing circuit B15 and power test unit 16
Signal input part be connected, the signal output part of power test unit 16 is connected with the signal access port of AVR single chip 17,
The signal output part of AVR single chip 17 is connected with the signal input part of phototube coupling unit 18, the letter of phototube coupling unit 18
Number output end is connected with the signal input part of DSP1.
Input through keyboard module 3 is used to set the parameters such as system running pattern, power factor, voltage and current, using 4*1's
Multiplexing keyboard, when keyboard signal output, DSP1, come key range, and performs input through keyboard module 3 according to corresponding I/O mouthfuls of state
Instruction.The hardware connecting circuit of input through keyboard module 3 and DSP1 is as shown in figure 3, circuit is by the first button 19, the second button
20th, the 3rd button 21, the 4th button 22, first resistor 23, second resistance 24,3rd resistor 25, the 4th resistance 26 and power supply 27
Composition, wherein one end of the first button 19 is connected with the ground of power supply 27, the other end and the first resistor 23 1 of the first button 19
The signal input part of end and DSP1 is connected, and the other end of first resistor 23 is connected with the positive level of power supply 27, the second button 20
One end be connected with the ground of power supply 27, the other end of the second button 20 and the one end of second resistance 24 and the signal input part of DSP1
It is connected, the other end of second resistance 24 is connected with the positive level of power supply 27, one end of the 3rd button 21 and the ground phase of power supply 27
Connection, the other end of the 3rd button 21 is connected with the signal input part of the one end of 3rd resistor 25 and DSP1,3rd resistor 25
The other end is connected with the positive level of power supply 27, and one end of the 4th button 22 is connected with the ground of power supply 27, the 4th button 22 it is another
One end is connected with the signal input part of the one end of the 4th resistance 26 and DSP1, the other end of the 4th resistance 26 and the positive level of power supply 27
It is connected.
By measuring fixed mount setting on measured object, fixing rack for sensor includes the measurement end of power factor test module
Supporting case 111, upper V-arrangement support card, lower V-arrangement support card and adjusting bolt 888；Limited location is set at the two ends of supporting case 111 to slide
Road 666, spacing slideway 666 is the bar shaped slideway set along the length direction of supporting case 111；
Upper V-arrangement support card includes upper snap arm 333 and upper idle rod 333-1, and upper snap arm 333 and upper idle rod 333-1 pass through
Torsion spring connects to form v-shaped structure；Lower V-arrangement support card includes lower snap arm 222 and lower idle rod 222-1, lower snap arm 222 and lower servo-actuated
Arm 222-1 is connected by another torsion spring 444 and is formed v-shaped structure；Two torsion springs are enclosed within traveling roller, in traveling roller
The heart is provided with the axis of rolling 555, and the two ends of the axis of rolling 555 put in spacing slideway 666 and moved when in use along spacing slideway 666
It is dynamic；
Upper idle rod 333-1 is flexibly connected with lower idle rod 222-1 by movable axis 777, and the connection of movable axis 777 carries spiral shell
The pull lever 888 of line 999, pull lever 888 is along the direction vertical with spacing slideway 666 is through supporting case 111 and passes through screw thread 999
Coordinate with the screw thread of supporting case 111；
It is provided with for pushing down the fixed compressing tablet 000 of the transverse direction of sensor in horizontal direction in the upper end of upper snap arm 333.
When the measurement fixed mount is used, pull on bar 888 and inwardly screw (the namely upper right in figure) so that upper card
It is flared out between arm 333 and lower snap arm 222, then upper snap arm 333 is respectively placed in the side table of tested device with lower snap arm 222
Face and lower surface, the laterally fixed inside of compressing tablet 000 (right side i.e. in figure) is placed in by measurement end, then reversely screws lever 888,
So that inwardly being drawn between upper snap arm 333 and lower snap arm 222 and gradually clamping measured object so that sensor closely connects with measured object
Touch and complete operation, repeat to screw the action of pull lever 888 when unloading or changing.
Transient state variable dynamic e measurement technology SVC synchronization fling-cut system course of work descriptions：
(1) voltage and current transformer Real-time Collection line voltage and current signal, by being fed back after signal processing unit
Give power factor test module.
(2) power factor test module collection voltages and current curve (as shown in Figure 4), according to voltage and current waveform
Phase angle differenceCalculate the power factor of power network.
(3) power factor of DSP collection power factors test module feedback, voltage and current signal, call power factor
Preset value, and be compared.
(4) according to power factor deviation, calculating needs switching capacity, judges the switching mode of compensation device DSP.
(5) the rational switching moment is selected according to voltage, current phase angle, realizes the no-flashy-flow full automatic feeding of compensation device
Cut.
Claims (6)
1. based on transient state variable dynamic e measurement technology SVC synchronization fling-cut systems, it is characterised in that：The system mainly includes DSP
(1), power factor test module (2), input through keyboard module (3), display module (4), alarm module (5), communication module (6),
Switching trigger module (7), synchronous switching control module (8), compensating module (9), central monitoring computer (10) and power network (11)；
Wherein the measurement end of power factor test module (2) is connected with power network (11), the signal output of power factor test module (2)
End is connected with the signal input part of DSP (1), and the output end of input through keyboard module (3) is connected with the signal input part of DSP (1)
Connect, the input of display module (4) is connected with the signal output end member of DSP (1), the input and DSP of alarm module (5)
(1) signal output part is connected, and the input of communication module (6) is connected with the communication output end of DSP (1), communication module
(6) output end is connected with central monitoring computer (10), the signal input part of switching trigger module (7) and the letter of DSP (1)
Number output end is connected, and the input of synchronous switching control module (8) is connected with the output end of switching trigger module (7), mends
The control end for repaying module (9) is connected with the output end of synchronous switching control module (8).
2. according to claim 1 based on transient state variable dynamic e measurement technology SVC synchronization fling-cut systems, it is characterised in that：
Power factor test module (2) mainly includes voltage transformer (12), current transformer (13), signal processing circuit A (14), letter
Number process circuit B (15), power test unit (16), AVR single chip (17) and phototube coupling unit (18), wherein mutual induction of voltage
Device (12), the measurement end of current transformer (13) are connected with power network (11), signal output part and the letter of voltage transformer (12)
The signal input part of number processing unit A (14) is connected, signal output part and the signal processing circuit B of current transformer (13)
(15) signal input part is connected, signal processing circuit A (14), the signal output part and electric energy of signal processing circuit B (15)
The signal input part of test cell (16) is connected, signal output part and the AVR single chip (17) of power test unit (16)
Signal access port is connected, and the signal output part of AVR single chip (17) is connected with the signal input part of phototube coupling unit (18)
Connect, the signal output part of phototube coupling unit (18) is connected with the signal input part of DSP (1).
3. according to claim 1 based on transient state variable dynamic e measurement technology SVC synchronization fling-cut systems, it is characterised in that：
The hardware connecting circuit of input through keyboard module (3) and DSP (1) is by the first button (19), the second button (20), the 3rd button
(21), the 4th button (22), first resistor (23), second resistance (24), 3rd resistor (25), the 4th resistance (26) and power supply
(27) constitute, wherein one end of the first button (19) is connected with the ground of power supply (27), the other end of the first button (19) and the
One end of one resistance (23) and the signal input part of DSP (1) are connected, and the other end of first resistor (23) is with power supply (27) just
Level is connected, and one end of the second button (20) is connected with the ground of power supply (27), the other end of the second button (20) and second electric
The one end and the signal input part of DSP (1) for hindering (24) are connected, the other end of second resistance (24) and the positive level phase of power supply (27)
Connection, one end of the 3rd button (21) is connected with the ground of power supply (27), the other end and 3rd resistor of the 3rd button (21)
(25) one end and the signal input part of DSP (1) is connected, and the other end of 3rd resistor (25) is connected with the positive level of power supply (27)
Connect, one end of the 4th button (22) is connected with the ground of power supply (27), the other end and the 4th resistance (26) of the 4th button (22)
One end and the signal input part of DSP (1) be connected, the other end of the 4th resistance (26) is connected with the positive level of power supply (27).
4. according to claim 3 based on transient state variable dynamic e measurement technology SVC synchronization fling-cut systems, it is characterised in that：
Input through keyboard module (3) for setting system running pattern, power factor, voltage and current parameter, using the multiplexing key of 4*1
Disk, when keyboard signal output, DSP1, come key range, and performs the finger of input through keyboard module (3) according to corresponding I/O mouthfuls of state
Order.
5. according to claim 2 based on transient state variable dynamic e measurement technology SVC synchronization fling-cut systems, it is characterised in that：
By measuring fixed mount setting on measured object, fixing rack for sensor includes supporting case to the measurement end of power factor test module
(111), upper V-arrangement support card, lower V-arrangement support card and adjusting bolt (888)；Limited location is set at the two ends of supporting case (111) to slide
Road (666), spacing slideway (666) is the bar shaped slideway set along supporting case (111) length direction；
Upper V-arrangement support card includes upper snap arm (333) and upper idle rod (333-1), upper snap arm (333) and upper idle rod (333-1)
Connect to form v-shaped structure by torsion spring；Lower V-arrangement support card includes lower snap arm (222) and lower idle rod (222-1), lower snap arm
(222) connected by another torsion spring (444) and form v-shaped structure with lower idle rod (222-1)；Two torsion springs are enclosed within mobile rolling
On cylinder, traveling roller is provided centrally with the axis of rolling (555), the two ends of the axis of rolling (555) put in spacing slideway (666) and
It is mobile along spacing slideway (666) when using；
Upper idle rod (333-1) is flexibly connected with lower idle rod (222-1) by movable axis (777), movable axis (777) connect band
There is the pull lever (888) of screw thread (999), pull lever (888) passes through supporting case along the direction vertical with spacing slideway (666)
(111) and by screw thread (999) and supporting case (111) screw thread coordinate；
It is provided with for pushing down the fixed compressing tablet (000) of the transverse direction of sensor in horizontal direction in the upper end of upper snap arm (333).
6. using the transient state implemented based on transient state variable dynamic e measurement technology SVC synchronizations fling-cut system described in claim 1
Variable dynamic e measurement technology SVC synchronization operation/cutting methods, it is characterised in that：The method process is as follows：
(1) voltage and current transformer Real-time Collection line voltage and current signal, by feeding back to work(after signal processing unit
Rate factor test module；
(2) power factor test module collection voltages and current curve, according to voltage and the phase angle difference of current waveformCalculate electricity
The power factor of net；
(3) power factor of DSP collection power factors test module feedback, voltage and current signal, call power factor to preset
Value, and be compared；
(4) according to power factor deviation, calculating needs switching capacity, judges the switching mode of compensation device DSP；
(5) the rational switching moment is selected according to voltage, current phase angle, realizes the full-automatic switching of no-flashy-flow of compensation device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611047759.0A CN106712046A (en) | 2016-11-23 | 2016-11-23 | SVC synchronous switching system based on transient variable dynamic measurement technology and SVC synchronization switching method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611047759.0A CN106712046A (en) | 2016-11-23 | 2016-11-23 | SVC synchronous switching system based on transient variable dynamic measurement technology and SVC synchronization switching method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106712046A true CN106712046A (en) | 2017-05-24 |
Family
ID=58934857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611047759.0A Pending CN106712046A (en) | 2016-11-23 | 2016-11-23 | SVC synchronous switching system based on transient variable dynamic measurement technology and SVC synchronization switching method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106712046A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080203979A1 (en) * | 2005-09-26 | 2008-08-28 | Ruitian Su | Customer Intelligent Reactive Power Automatic Compensation Energy-Saved Device |
| CN202856377U (en) * | 2012-11-05 | 2013-04-03 | 济南现代电力科技有限公司 | Intelligent low-voltage reactive power compensation system |
| CN104167747A (en) * | 2014-09-11 | 2014-11-26 | 国家电网公司 | Unbalance and reactive compensation control device for low-voltage power grid |
| CN203983998U (en) * | 2014-07-01 | 2014-12-03 | 湖北翔奥电力科技有限公司 | A kind of automatic tracking type low-voltage reactive power compensator |
-
2016
- 2016-11-23 CN CN201611047759.0A patent/CN106712046A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080203979A1 (en) * | 2005-09-26 | 2008-08-28 | Ruitian Su | Customer Intelligent Reactive Power Automatic Compensation Energy-Saved Device |
| CN202856377U (en) * | 2012-11-05 | 2013-04-03 | 济南现代电力科技有限公司 | Intelligent low-voltage reactive power compensation system |
| CN203983998U (en) * | 2014-07-01 | 2014-12-03 | 湖北翔奥电力科技有限公司 | A kind of automatic tracking type low-voltage reactive power compensator |
| CN104167747A (en) * | 2014-09-11 | 2014-11-26 | 国家电网公司 | Unbalance and reactive compensation control device for low-voltage power grid |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101404414B (en) | Power distribution network electromagnetic optimization dynamic loss reduction method, system and synthetic loss reduction system | |
| CN107196297B (en) | SNOP-based method for calculating maximum access capacity of distributed power supply in flexible power distribution network | |
| CN2924883Y (en) | Three-phase unbalance adjusting and reactive power compensation device | |
| CN201509087U (en) | Reactive compensation intelligent observing and controlling terminal of high-voltage line | |
| CN201878088U (en) | Automatic voltage regulator of switching voltage regulator (SVR) line | |
| CN201821108U (en) | Novel dynamic reactive power compensation device | |
| CN208923836U (en) | A kind of three-phase imbalance and reactive compensation self-checking device | |
| CN206370688U (en) | Based on the synchronous fling-cut systems of transient state variable dynamic e measurement technology SVC | |
| CN105337420A (en) | Energy-saving type power transformer capable of achieving automatic power distribution | |
| CN106712046A (en) | SVC synchronous switching system based on transient variable dynamic measurement technology and SVC synchronization switching method thereof | |
| CN102055195A (en) | Method for controlling reactive voltages of transformer substation based on magnetic control reactor (MCR) | |
| CN205104912U (en) | Novel lossless balanced load of centralized three -phase device | |
| CN208923837U (en) | It is a kind of for administering the controlling terminal of distribution three-phase load unbalance | |
| CN201178312Y (en) | Low-voltage dynamic filtering compensating apparatus | |
| CN202696150U (en) | Electric-arc furnace low voltage side reactive power compensation filtering device | |
| CN201829956U (en) | Novel large-current sampling submerged arc furnace low-pressure reactive power compensation device | |
| CN204886415U (en) | Supply distribution data center multiloop energy consumption monitored control system | |
| CN204407902U (en) | The maximum demand control system of balance peakload | |
| CN204116503U (en) | Intelligent AC distribution equipment accurate monitoring device | |
| CN208955667U (en) | Distribution net platform region three-phase load unbalance self-checking device | |
| CN208334486U (en) | Mineral hot furnace compensator voltage and current acquisition device | |
| CN208548755U (en) | A kind of comprehensive power distribution network analog detection platform | |
| CN201868890U (en) | Intelligent compensation device for low-voltage follower | |
| CN202978285U (en) | Reactive compensation controller | |
| CN203135452U (en) | High voltage dynamic filter reactive power compensation complete device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170524 |
|
| RJ01 | Rejection of invention patent application after publication |