CN204089200U - A kind of novel single-phase reactive compensation type pressure regulation transformation system - Google Patents
A kind of novel single-phase reactive compensation type pressure regulation transformation system Download PDFInfo
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- CN204089200U CN204089200U CN201420486038.XU CN201420486038U CN204089200U CN 204089200 U CN204089200 U CN 204089200U CN 201420486038 U CN201420486038 U CN 201420486038U CN 204089200 U CN204089200 U CN 204089200U
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- 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
- Y02E40/30—Reactive power compensation
Abstract
The utility model discloses a kind of novel single-phase reactive compensation type pressure regulation transformation system, comprise breaker of plastic casing, current transformer, voltage stabilizing inversion manager, controller, one group of (1 ~ n) A.C. contactor, another group (1 ~ n) A.C. contactor, capacitor and single-phase autotransformer, its feature is described controller and current transformer, one group of (1 ~ n) A.C. contactor, another group (1 ~ n) A.C. contactor connects with wire respectively, current transformer is connected with breaker of plastic casing, breaker of plastic casing is connected with voltage stabilizing inversion manager copper conductor, voltage stabilizing inversion manager and one group of (1 ~ n) A.C. contactor, another group (1 ~ n) A.C. contactor wire connects, one group of (1 ~ n) A.C. contactor is connected with capacitor copper conductor, another group (1 ~ n) A.C. contactor is connected with single-phase autotransformer copper conductor.Achieve tracking and monitoring uniline voltage, current information, reasonable analysis calculates the function such as reactive demand, information of voltage of current line.
Description
Technical field
The utility model relates to a kind of reactive power compensation voltage regulator, particularly relates to a kind of novel single-phase reactive compensation type pressure regulation transformation system.
Background technology
In the distribution of rural area, 0.4KV feeder line is in the end of electric power system in middle and low voltage network, there are this problems in a power distribution system.Wherein ubiquitous problem can show following some: 1, line transmission distance.Main line adds that branched line is often beyond a few km, and voltage presents stepped decline, usually arrives the least significant end voltage of uniline often lower than qualified voltage 198V, and serious area may be low to moderate below 160V by voltage, exists at " low-voltage dead angle ".2, load with round the clock, seasonal variations is large.Along with economic development, a large amount of rural subscribers have brought into use the induction equipment such as air-conditioning, water conservancy irrigation, make reactive loss serious, increase the unsteadiness of rural electricity consumption, make line end voltage less than normal, normally cannot start power consumption equipment, cause electricity consumption to perplex.Therefore, improve terminal temperature difference voltage, guarantee customer power supply voltage is qualified has been administer the Important Problems in the middle and low voltage network of rural area, has stronger Research Significance.Developing a kind of novel single-phase reactive compensation type pressure regulation transformation system, is the effective ways solved the problem.
Summary of the invention
The purpose of this utility model is, for the problem of above-mentioned discovery, provides a kind of novel single-phase reactive compensation type pressure regulation transformation system.Achieve automatic tracking, monitoring uniline voltage, current information, reasonable analysis calculates reactive demand, the information of voltage of current line.
The utility model also has: 1) when circuit reactive demand is large, send command adapted thereto by controller, automatically controls the break-make of A.C. contactor, realizes the switching of capacitor, improves power factor, improves line voltage distribution.When dropping into capacitor, continuation is gathered uniline voltage by controller, carry out com-parison and analysis according to voltage parameter threshold value, send command adapted thereto and automatically regulate each channel AC contactor switching to export qualified voltage to change tap changer gear thus to change single-phase autotransformer secondary side; 2) when circuit reactive demand is normal, capacitor need not be dropped into, if when now Monitoring Line is low-voltage, controller also will send instruction and automatically regulate each channel AC contactor switching to export qualified voltage to change tap changer gear thus to change single-phase autotransformer secondary side.This for the utility model single-phase reactive compensation type pressure regulation potential device is connected on the posterior segment of 0.4kV circuit, within the specific limits uniline voltage is adjusted, ensure that the supply power voltage of user is qualified, reduce the damage of low-voltage electrical apparatus, be specially adapted to the uniline that circuit is long, pressure drop is large, power factor is low, low-voltage is serious.
The purpose of this utility model realizes like this, described a kind of novel single-phase reactive compensation type pressure regulation transformation system, comprise breaker of plastic casing, current transformer, voltage stabilizing inversion manager, controller, one group of (1 ~ n) A.C. contactor, another group (1 ~ n) A.C. contactor, capacitor and single-phase autotransformer, it is characterized in that: described controller and current transformer, one group of (1 ~ n) A.C. contactor, another group (1 ~ n) A.C. contactor connects with wire respectively, current transformer is connected with breaker of plastic casing, breaker of plastic casing is connected with voltage stabilizing inversion manager copper conductor, voltage stabilizing inversion manager and one group of (1 ~ n) A.C. contactor, another group (1 ~ n) A.C. contactor wire connects, one group of (1 ~ n) A.C. contactor is connected with capacitor copper conductor, another group (1 ~ n) A.C. contactor is connected with single-phase autotransformer copper conductor.
Described controller comprises main control MCU, data acquisition module, temperature collect module, data storage, wireless communication module, GPRS communication module and A.C. contactor driver module, and described data acquisition module, temperature collect module, data storage, wireless communication module, GPRS communication module are connected with main control MCU respectively with A.C. contactor driver module.
Described voltage stabilizing inversion manager comprises switch power module and inverter, and described switch power module and inverter adopt copper conductor to be connected.
advantage of the present utility model:
Single-phase reactive compensation type pressure regulation potential device of the present utility model is combined with single-phase voltage regulating technology by single-phase reactive power compensation technology, its circuit design is novel, rationally, use easy and simple to handle and easy-to-connect, while the single-phase end low-voltage of adjustment, also synchronously improve the power factor of circuit, improve supply power voltage quality and power supply reliability.
In single-phase reactive compensation type pressure regulation potential device of the present utility model, adopt the A.C. contactor reliably switched in short-term, when controlling single-phase autotransformer and changing tapping gear, ensure uniline not power-off, guarantee user's normal power supply.
The utility model is when normally closed breaker of plastic casing, defective alternating voltage on uniline supplies each passage A.C. contactor by being stabilized in qualified 220V voltage after voltage stabilizing inversion manager uses, and guarantees that A.C. contactor switch can not cause unreliable action because of too low or too high for voltage; Ensure the reliable and stable operation of control voltage for A.C. contactor of stable output, guarantee the stable operation of single-phase reactive compensation type pressure regulation potential device.
The utility model adopts single-phase reactive compensation type pressure regulation potential device, intelligent palm terminal and backstage main website to connect and compose integral system, be user-friendly for parameters, Non-follow control and acquisition device various in real time and history data, on-the-spot copy reading finder running status; Also can carry out real-time communication by GPRS and backstage main website easily, understand the running status of device, and carry out Analysis of Policy Making in conjunction with historical data.
Accompanying drawing explanation
Fig. 1 is the single-phase reactive compensation type pressure regulation potential device structure chart of the utility model embodiment.
Fig. 2 is the structure chart of the controller of the single-phase reactive compensation type pressure regulation potential device of the utility model embodiment.
Fig. 3 is the internal structure theory diagram of the voltage stabilizing inversion manager of the utility model embodiment.
Fig. 4 is the operation principle block diagram of the single-phase reactive compensation type pressure regulation potential device of the utility model embodiment.
Fig. 5 is the system construction drawing of the utility model embodiment combined with intelligent palm terminal.
Fig. 6 is the system construction drawing of the utility model embodiment in conjunction with background analysis main website.
Fig. 7 is the system construction drawing of the utility model embodiment combined with intelligent palm terminal and background analysis main website.
Embodiment
Below in conjunction with drawings and Examples, the operation principle of single-phase reactive compensation type pressure regulation transformation system of the present utility model and the course of work are described in detail:
The utility model comprises single-phase reactive compensation type pressure regulation potential device, as shown in Figure 1, and the single-phase reactive compensation type pressure regulation potential device structure chart of embodiment described in the utility model.In figure: breaker of plastic casing 1, current transformer 2, voltage stabilizing inversion manager 3, controller 4, one group of (1 ~ n) A.C. contactor 5(switching capacitance), another group (1 ~ n) A.C. contactor 6(switches gear) and, (1 ~ n) capacitor 7, single-phase autotransformer 8.Its middle controller 4 is that prior art also can for adopting below the utility model proprietary technology as described in Figure 2.Controller 4 and current transformer 2, one group of (1 ~ n) A.C. contactor 5, another group (1 ~ n) A.C. contactor 6 are connected with wire, current transformer 2 is connected with breaker of plastic casing 1, breaker of plastic casing 1 is connected with copper conductor with voltage stabilizing inversion manager 3, voltage stabilizing inversion manager 3 is connected with wire with one group of (1 ~ n) A.C. contactor 5, another group (1 ~ n) A.C. contactor 6, one group of (1 ~ n) A.C. contactor 5 is connected with copper conductor with capacitor 7, and another group (1 ~ n) A.C. contactor 6 is connected with copper conductor with single-phase autotransformer 8.N described in the utility model literary composition is natural number, as 3-8, depends on actual need and determines.
Controller 4 is the technology that general existing technical staff can realize, it has following function: the secondary side current information that can gather voltage on uniline and current transformer 2 from motion tracking, reasonable analysis calculates the reactive demand of current line, command adapted thereto is sent by controller 4, the break-make of automatic control one group of (1 ~ n) A.C. contactor 5, realize the switching of capacitor 7, improve power factor, improve line voltage distribution.When dropping into capacitor 7, controller 4 continues to gather uniline voltage, com-parison and analysis is carried out according to voltage limit parameter threshold, sending command adapted thereto regulates another group (1 ~ n) A.C. contactor 6 switching to change tap changer gear thus to switch single-phase autotransformer 8 shunting tap position automatically, change the effective turn of single-phase autotransformer 8, thus realize the object of pressure regulation.The unstable Voltage Cortrol that voltage stabilizing inversion manager 3 can input live wire L and the zero line N from breaker of plastic casing 1 is that stable output voltage supplies one group of (1 ~ n) A.C. contactor 5, another group (1 ~ n) A.C. contactor 6 uses, and ensure that the reliability service of (1 ~ n) A.C. contactor.
As shown in Figure 2, the structure chart of the controller of embodiment described in the utility model, comprise main control MCU, data acquisition module, temperature collect module, data storage, wireless communication module, GPRS communication module and A.C. contactor driver module, described data acquisition module, temperature collect module, data storage, wireless communication module, GPRS communication module are connected with main control MCU respectively with A.C. contactor driver module, above-mentioned concrete each component models and function as follows:
1) main control MCU: adopt existing commercially available prod, complete transmission and control and send control signal to drive A.C. contactor driver module to carry out the switching of control capacitor and the gear switch of single-phase autotransformer, these calibration analytes and calculation procedure are that those skilled in the art can realize, or the calibration analyte of this main control MCU and calculation procedure can adopt existing public technology, the technical characteristic as described in the utility model patent " a kind of novel single-phase voltage regulating transformation system " of the patent No. 201320778872.1.
2) data acquisition module: it comprises electric energy computation chip and signal processing circuit, electric energy computation chip adopts high-precision AD chip, high-precision AD chip uses as electric current and voltage metering, the effect of signal processing circuit is that the electric current and voltage information of input is nursed one's health into the signal that can do accurate analog digital translation and calculating in high-precision AD chip, send result timing to main control MCU again, this part have employed the high-precision AD chip of specialty.High-precision AD chip and signal processing circuit are prior art.
3) temperature collect module: single-phase voltage regulating controller temperature is divided into two parts, the own temperature that a part gathers single-phase voltage regulating controller adopts conventional thermistor (probe), AD samples partial pressure value, and quick response temperature change, conventional thermistor (probe) is existing commercially available prod.The temperature that a part gathers complete machine adopts pt100 platinum resistance, and external directly hanging on the facing the wall and meditating of edge in casing can change by response temperature fast, and described pt100 platinum resistance is existing commercially available prod.
4) data storage: this module to various in real time and history data store and inquire about, can adopt all kinds of storage medium, be prior art.
5) wireless communication module: this module is 433Mhz wireless telecommunications.Carry out data docking by 433 wireless telecommunications and intelligent palm terminal mutual, this 433Mhz wireless communication module is prior art.
6) GPRS communication module: this module is GPRS communication.Real time data is carried out mutual by GPRS communication and backstage main website.Thus realizing the functions such as long-range or local remote control, remote regulating, remote measurement, this GPRS wireless communication module is prior art.
7) A.C. contactor driver module: this module is general switching circuit, when main control MCU sends control signal instruction, power supply provides the voltage supply switching circuit of 12V to use, and switching circuit is closed, and these switching circuits are that those skilled in the art can realize.
As shown in Figure 3, voltage stabilizing inversion manager internal structure theory diagram of the present utility model, voltage stabilizing inversion manager comprises switch power module 31 in figure and inverter 32, and described switch power module 31 adopts copper conductor to be connected with inverter 32.Switch power module 31 is wherein the direct voltages alternating voltage on the uniline of collection being adjusted to 12V, the technical products that switch power module 31 realizes for those skilled in the art.Inverter 32 wherein again converts to after the alternating voltage that uniline gathers is adjusted to 12V direct voltage by switch power module 31 to stablize qualified 220V alternating voltage, and inverter is existing product on the market.
As shown in Figure 4, the specific works theory diagram of the single-phase reactive compensation type pressure regulation potential device of the utility model embodiment, wherein single-phase reactive compensation type pressure regulation potential device comprises breaker of plastic casing, A.C. contactor, voltage stabilizing inversion manager, controller, one group of (1 ~ n) A.C. contactor (switching capacitance), another group (1 ~ n) A.C. contactor (switching gear), capacitor and single-phase autotransformer.Wherein voltage stabilizing inversion manager comprises switch power module and inverter, live wire L on uniline, zero line N accesses the switch power module of voltage stabilizing inversion manager after breaker of plastic casing by copper conductor after, alternating voltage on the uniline of collection is adjusted to the direct voltage of 12V by switch power module, inverter in voltage stabilizing inversion manager converts the 12V direct voltage after adjustment to one group of (1 ~ n) A.C. contactor (switching capacitance) of stablizing qualified 220V alternating voltage supply respective channel again, another group (1 ~ n) A.C. contactor (switching gear) uses, ensure that the reliable and stable operation of A.C. contactor, the current information of the live wire L on the data collecting module collected uniline in controller, the information of voltage of zero line N and Current Transformer Secondary side, reasonable analysis calculates the reactive demand of current line, when circuit reactive demand is large, command adapted thereto is sent by controller, the break-make of automatic control one group of (1 ~ n) A.C. contactor (switching capacitance), realize the switching of capacitor, improve power factor, improve line voltage distribution.When dropping into capacitor, continuation is gathered uniline voltage by controller, by the information such as controller voltage comparator circuit accurate Calculation current uniline voltage is higher or on the low side, after carrying out com-parison and analysis with voltage parameter threshold value, form corresponding logic control signal and send control command and automatically regulate the switching of another group (1 ~ n) A.C. contactor (switching gear) to export qualified voltage to change tap changer gear thus to change single-phase autotransformer secondary side; When circuit reactive demand is normal, capacitor need not be dropped into, if when now Monitoring Line is low-voltage, controller also regulates the switching of another group (1 ~ n) A.C. contactor (switching gear) to export qualified voltage to change tap changer gear thus to change single-phase autotransformer secondary side by sending instruction automatically, reaches the object of adjustment voltage.Wherein qualified voltage is between 198V ~ 235V, and the 1st gear as single-phase autotransformer is adjustment+25V, and the 2nd gear of single-phase autotransformer is adjustment+40V, and the gear of this single-phase autotransformer defines according to actual needs can infinite expanding.If the 1st gear according to single-phase autotransformer defined above is adjustment+25V, the 2nd gear of single-phase autotransformer is adjustment+40V.If when the voltage on uniline is 195V, now suitable single-phase autotransformer gear is the 1st grade, and suitable adjustment gear strategy is exactly send the control signal driving single-phase autotransformer to close at the 1st gear; If when the voltage on circuit is 180V, now suitable single-phase autotransformer gear is the 2nd grade, suitable adjustment gear strategy is exactly send the control signal driving single-phase autotransformer to close at the 2nd gear, is more than suitable single-phase autotransformer gear and suitable adjustment gear Policy description.
As shown in Figure 5, the utility model adopts single-phase reactive compensation type pressure regulation potential device and intelligent being integrally formed of palm terminal system; Described intelligent palm terminal is general prior art, and intelligent palm terminal carries out wireless docking by 433MHz wireless communication module with the controller in device; Intelligence palm terminal can person easy to use to device carry out optimum configurations, Non-follow control and various in real time and the collection of history data, facilitate on-the-spot copy reading to observe the switching running status of single-phase autotransformer, capacitor, A.C. contactor.When the controller in the single-phase reactive compensation type pressure regulation potential device that the utility model adopts adopts the technology of Fig. 2, its controller comprises main control MCU, data acquisition module, temperature collect module, data storage, wireless communication module, GPRS communication module and A.C. contactor driver module, described data acquisition module, temperature collect module, data storage, wireless communication module, GPRS communication module is connected with main control MCU respectively with A.C. contactor driver module, described intelligent palm terminal is connected with the main control MCU of controller, intelligence palm terminal carries out wireless docking by 433MHz wireless communication module with the wireless communication module in controller, complete transmission by main control MCU and control, for the technology that those skilled in the art can realize.
As shown in Figure 6, the utility model adopts single-phase reactive compensation type pressure regulation potential device and background analysis main website being integrally formed system.Described background analysis main website is general prior art, and background analysis main website carries out wireless docking by GPRS communication module with the controller of device; Background analysis main website can person easy to use to device carry out optimum configurations, Non-follow control and various in real time and the collection of history data, facilitate on-the-spot copy reading to observe the switching running status of single-phase autotransformer, capacitor, A.C. contactor.When the controller in the single-phase reactive compensation type pressure regulation potential device that the utility model adopts adopts the technology of Fig. 2, its controller comprises main control MCU, data acquisition module, temperature collect module, data storage, wireless communication module, GPRS communication module and A.C. contactor driver module, described data acquisition module, temperature collect module, data storage, wireless communication module, GPRS communication module is connected with main control MCU respectively with A.C. contactor driver module, described background analysis main website is connected with the main control MCU of controller, background analysis main website by GPRS communication module with carry out wireless docking without GPRS communication module in controller, complete transmission by main control MCU and control, for the technology that those skilled in the art can realize.
As shown in Figure 7, the utility model adopts single-phase reactive compensation type pressure regulation potential device, intelligent palm terminal and background analysis main website being integrally formed system.Intelligence palm terminal can carry out wireless docking by 433MHz wireless communication module with single-phase reactive compensation type pressure regulation potential device, intelligence palm terminal can also dock with background analysis main website, and background analysis main website also carries out wireless docking by GPRS communication module with the controller of device; Intelligence palm terminal and background analysis main website can simultaneously to device carry out optimum configurations, Non-follow control and various in real time and the collection of history data, facilitate on-the-spot copy reading to observe the switching running status of single-phase autotransformer, capacitor, A.C. contactor, background analysis main website also can carry out parameter configuration and setting to intelligent palm terminal simultaneously.When the controller in the single-phase reactive compensation type pressure regulation potential device that the utility model adopts adopts the technology of Fig. 2, its controller comprises main control MCU, data acquisition module, temperature collect module, data storage, wireless communication module, GPRS communication module and A.C. contactor driver module, described data acquisition module, temperature collect module, data storage, wireless communication module, GPRS communication module is connected with main control MCU respectively with A.C. contactor driver module, described intelligent palm terminal is connected with the main control MCU of controller with background analysis main website, intelligence palm terminal carries out wireless docking by 433MHz wireless communication module with the wireless communication module in controller, background analysis main website by GPRS communication module with carry out wireless docking without GPRS communication module in controller, intelligence palm terminal can also dock with background analysis main website, complete transmission by main control MCU and control, for the technology that those skilled in the art can realize.
Claims (3)
1. a novel single-phase reactive compensation type pressure regulation transformation system, comprise breaker of plastic casing (1), current transformer (2), voltage stabilizing inversion manager (3), controller (4), one group of (1 ~ n) A.C. contactor (5), another group (1 ~ n) A.C. contactor, capacitor (7) and single-phase autotransformer (8), it is characterized in that: described controller (4) and current transformer, one group of (1 ~ n) A.C. contactor (5), another group (1 ~ n) A.C. contactor (6) connects with wire respectively, current transformer is connected with breaker of plastic casing (1), breaker of plastic casing (1) is connected with copper conductor with voltage stabilizing inversion manager (3), voltage stabilizing inversion manager (3) and one group of (1 ~ n) A.C. contactor (5), another group (1 ~ n) A.C. contactor (6) connects with wire, one group of (1 ~ n) A.C. contactor (5) is connected with copper conductor with capacitor (7), another group (1 ~ n) A.C. contactor is connected with copper conductor with single-phase autotransformer (8).
2. a kind of novel single-phase reactive compensation type pressure regulation transformation system according to claim 1, it is characterized in that: described controller comprises main control MCU, data acquisition module, temperature collect module, data storage, wireless communication module, GPRS communication module and A.C. contactor driver module, and described data acquisition module, temperature collect module, data storage, wireless communication module, GPRS communication module are connected with main control MCU respectively with A.C. contactor driver module.
3. a kind of novel single-phase reactive compensation type pressure regulation transformation system according to claim 1 and 2, it is characterized in that: described voltage stabilizing inversion manager comprises switch power module (31) and inverter (32), and described switch power module (31) adopts copper conductor to be connected with inverter (32).
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| CN201420486038.XU CN204089200U (en) | 2014-08-27 | 2014-08-27 | A kind of novel single-phase reactive compensation type pressure regulation transformation system |
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| CN201420486038.XU CN204089200U (en) | 2014-08-27 | 2014-08-27 | A kind of novel single-phase reactive compensation type pressure regulation transformation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107872060A (en) * | 2016-09-27 | 2018-04-03 | 新能动力（北京）电气科技有限公司 | A kind of AC stabilizer |
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2014
- 2014-08-27 CN CN201420486038.XU patent/CN204089200U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107872060A (en) * | 2016-09-27 | 2018-04-03 | 新能动力（北京）电气科技有限公司 | A kind of AC stabilizer |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20150107 Termination date: 20190827 |