CN103177860A - Stereoscopic rolling iron core intelligent transformer - Google Patents
Stereoscopic rolling iron core intelligent transformer Download PDFInfo
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- CN103177860A CN103177860A CN2013100669548A CN201310066954A CN103177860A CN 103177860 A CN103177860 A CN 103177860A CN 2013100669548 A CN2013100669548 A CN 2013100669548A CN 201310066954 A CN201310066954 A CN 201310066954A CN 103177860 A CN103177860 A CN 103177860A
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 75
- 238000005096 rolling process Methods 0.000 title abstract 6
- 230000001105 regulatory effect Effects 0.000 claims abstract description 41
- 230000009471 action Effects 0.000 claims abstract description 7
- 238000004804 winding Methods 0.000 claims description 54
- 230000033228 biological regulation Effects 0.000 claims description 19
- 238000004891 communication Methods 0.000 claims description 16
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 230000001276 controlling effect Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 abstract description 5
- 238000013480 data collection Methods 0.000 abstract 3
- 230000000694 effects Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 230000009466 transformation Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241001269238 Data Species 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
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- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
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- 229910052710 silicon Inorganic materials 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The invention discloses a stereoscopic rolling iron core intelligent transformer which comprises a stereoscopic rolling iron core transformer and an intelligent control system. The intelligent control system comprises an on-load tap changer, a control circuit and a data collection circuit. The voltage regulating coil tap on the high-voltage side of the stereoscopic rolling iron core transformer is connected with the on-load tap changer, the on-load tap changer is connected with the control circuit, and the control circuit is connected with the data collection circuit. According to the stereoscopic rolling iron core intelligent transformer, the intelligent control system is added to an original stereoscopic rolling iron core transformer, in the intelligent control system, the data collection circuit collects signals, and the control circuit generates control signals according to collected signals to control the action of the on-load tap changer. When the transformer runs, the transformer can be directly adjusted to be connected separately, constant output voltage in a reference range can be supplied by the transformer when a load changes, power consumption is reduced, and electricity consumption is greatly reduced.
Description
Technical field
The present invention relates to the transformer technology field, relate in particular to a kind of three-dimensional winding iron core intelligent transformer.
Background technology
Perfect along with the development of power industry and country to the rural power system improvement project makes original electrical network terminal voltage phenomenon on the low side obtain general improvement.But the problem of thereupon bringing is that line voltage is generally higher.At present the output end voltage of transformer is all to be 400V according to standard design, but because the distance of the load fluctuation of the voltage of power network line and circuit is different, cause the voltage of the output of transformer constantly changing, it is common phenomenon that voltage is raised to 420V, makes power consumption cause a lot of wastes.Show according to the data of 10 D class voltage monitoring points record in somewhere, two months Zhejiang Province: the voltage superelevation time reaches 50.5%, the ultralow time reaches 1.4%, the qualified time is only 48.1%, particularly with the electric loading low ebb time voltage to rise to 450V by 380V be also common phenomenon, cause in electrical network loss increase and power supply quality qualification rate low.The power consumption of business electrical transformer and all relevant devices thereof increases and often can burn out motor, reduces service life of equipment, increases the maintenance expense.
Summary of the invention
The objective of the invention is the defective for prior art, propose a kind of three-dimensional winding iron core intelligent transformer, guarantee that the output voltage of transformer within critical field, reduces power consumption, save power consumption.
The invention provides a kind of three-dimensional winding iron core intelligent transformer, it comprises three-dimensional reel iron core transformer and intelligence control system; Wherein, intelligence control system comprises on-load voltage regulating switch, control loop and data acquisition circuit.
The on high-tension side voltage regulation coil tap of three-dimensional reel iron core transformer is connected with on-load voltage regulating switch, and on-load voltage regulating switch is connected with control loop, and control loop is connected with data acquisition circuit.
Alternatively, control loop receives the data of described data acquisition circuit output, and according to the control signal of this data generation for the action of controlling described on-load voltage regulating switch.
Alternatively, the output voltage that shows the three-dimensional winding iron core intelligent transformer when the data of data acquisition circuit output is during higher than first threshold, and the control signal that control loop produces is used for the disjunction on-load voltage regulating switch, makes the on-load voltage regulating switch of a closed low gear; The output voltage that shows the three-dimensional winding iron core intelligent transformer when the data of data acquisition circuit output is during lower than Second Threshold, and the control signal that control loop produces is used for the disjunction on-load voltage regulating switch, makes the on-load voltage regulating switch of a closed high gear.
Alternatively, three-dimensional reel iron core transformer has the stereochemical structure of three-phase symmetrical, and three stem stems are the three-dimensional arrangement of equilateral triangle, and three lengths of magnetic path are consistent.
Alternatively, the three-dimensional winding iron core intelligent transformer also comprises safety system, and it is connected with intelligence control system with three-dimensional reel iron core transformer.When electric leakage, overload, short circuit, overvoltage, under-voltage and phase shortage problem appearred in the circuit in three-dimensional reel iron core transformer and intelligence control system, safety system starting protection program was used for line disconnection.
Alternatively, safety system comprises CPU, voltage signal feedback circuit, current signal feedback circuit, analog to digital conversion circuit, display circuit, communication interface circuit, remote-controlled input circuit and remote control output circuit; Wherein, voltage signal feedback circuit and current signal feedback circuit all are connected with intelligence control system with three-dimensional reel iron core transformer; Voltage signal feedback circuit and current signal feedback circuit all are connected with communication interface circuit; Communication interface circuit is connected with analog to digital conversion circuit; Communication interface circuit also is connected with remote-controlled input circuit; Remote-controlled input circuit, display circuit and remote control output circuit all are connected with CPU.
Alternatively, intelligence control system supports the use the combination by-pass knife switch.
Three-dimensional winding iron core intelligent transformer provided by the invention has added intelligence control system on the basis of original three-dimensional reel iron core transformer, in this intelligence control system, the data acquisition circuit collection signal, control loop produces control signal according to the signal that collects, in order to control the action of on-load voltage regulating switch, directly regulate the transformer tap in the transformer operation, make transformer can be provided at constant output voltage within critical field when load variations, reduce power consumption, greatly saved power consumption.
Description of drawings
Fig. 1 is the system construction drawing of three-dimensional winding iron core intelligent transformer of the present invention;
Fig. 2 is the voltage regulating coil of transformer elementary diagram of three-dimensional winding iron core intelligent transformer of the present invention;
Fig. 3 is the picture in kind of the iron core of three-dimensional winding iron core intelligent transformer of the present invention;
Fig. 4 is the structural representation of the safety system of three-dimensional winding iron core intelligent transformer of the present invention.
The critical piece Reference numeral:
1 three-dimensional reel iron core transformer
11 main fuel tanks
111 low pressure windings
112 high pressure main windings
1121 on high-tension side voltage regulation coil taps
113 pressure regulation windings
1131 leading-out terminals
2 intelligence control systems
21 switching device shifters
211 on-load voltage regulating switchs
22 control loops
23 data acquisition circuits
3 safety systems
31 CPU
32 voltage signal feedback circuits
33 current signal feedback circuits
34 analog to digital conversion circuits
35 display circuits
36 communication interface circuits
37 remote-controlled input circuits
38 remote control output circuits
Embodiment
For fully understanding purpose of the present invention, feature and technique effect, here by following specific embodiment, and by reference to the accompanying drawings, the present invention is elaborated, be described as follows:
With reference to Fig. 1, it is for the system construction drawing of three-dimensional winding iron core intelligent transformer of the present invention.Three-dimensional winding iron core intelligent transformer of the present invention comprises three-dimensional reel iron core transformer 1 and intelligence control system 2, wherein:
Intelligence control system 2 comprises on-load voltage regulating switch 211, control loop 22 and data acquisition circuit 23.
The on high-tension side voltage regulation coil tap 1121 of three-dimensional reel iron core transformer 1 is connected with on-load voltage regulating switch 211, and on-load voltage regulating switch 211 is connected with control loop 22, and control loop 22 is connected with data acquisition circuit 23.
The parameter that data acquisition circuit 23 collections are relevant with power network line and load, comprising: the energy datas such as electric current, voltage, frequency, active power, reactive power, power factor, electricity, switching value; Data acquisition circuit 23 utilizes multifunctional data acquiring switch measuring unit, directly by hardware, sampled data is sent in dual port RAM, again by the data that gather are revised, computing obtains corresponding data, communicate with other devices as required.The data of control loop 22 receive data Acquisition Circuit 23 outputs, and produce control signal according to these data, this control signal is used for controlling the action of on-load voltage regulating switch 211; That is, control loop 22 is set according to software parameter, automatically select on-load voltage regulating switch 211 that each voltage regulation coil tap is connected deciliter, make voltage fluctuation in certain scope.On-load voltage regulating switch claims again " on-load tap changer ", and it allows directly to regulate the transformer tap in the transformer operation, makes transformer can provide constant voltage when load variations.Its basic principle is exactly in the situation that guarantee not interrupt load electric current, realizes the switching between tap in Transformer Winding, thereby changes the number of turn of winding, i.e. the voltage ratio of transformer finally realizes the purpose of pressure regulation.If the scope range of the fluctuation of voltage of practical adjustments is between Second Threshold and first threshold, namely voltage minimum is Second Threshold, and voltage max is first threshold.The output voltage that shows transformer when the data of data acquisition circuit output is higher than first threshold the time, and the control signal that control loop produces is used for the current on-load voltage regulating switch of disjunction, the on-load voltage regulating switch of a closed low gear; The output voltage that shows transformer when the data of data acquisition circuit output is lower than Second Threshold the time, and the control signal that control loop produces is used for the current on-load voltage regulating switch of disjunction, the on-load voltage regulating switch of a closed high gear.
With reference to Fig. 2, it is for the voltage regulating coil of transformer elementary diagram of three-dimensional winding iron core intelligent transformer of the present invention.Fig. 2 is the equivalent circuit theory figure of transformer one phase, it is not the schematic diagram of actual connection, in reality connects, voltage regulation coil tap and on-load voltage regulating switch be not in same cupboard, connection between them needs cabling or copper bar, concrete apparent capacity and actual conditions and decide thisly are connected to electrical connection commonly used, do not repeat them here.As shown in Figure 2, the main fuel tank 11 of three-dimensional reel iron core transformer comprises low pressure winding 111, high pressure main winding 112 and pressure regulation winding 113.Wherein, the tap of pressure regulation winding (being on high-tension side voltage regulation coil) is connected with switching device shifter 21.Switching device shifter 21 comprises inductance L and the on-load voltage regulating switch KM1 and the KM2 that are connected with inductance L two ends respectively, and wherein, KM1 is the on-load voltage regulating switch of a high gear, and KM2 is the on-load voltage regulating switch of a low gear.The end of K switch M1 is connected with inductance L, and the other end (Q1) is connected to the tap of pressure regulation winding, and the end of K switch M2 is connected with inductance L, and the other end (Q2) is connected to the tap of pressure regulation winding.In addition, inductance L also is connected with high pressure main winding 112.Here, inductance L plays the pressure regulation effect, and it can change the excitation of transformer high-voltage main winding.Control loop is set according to software parameter, by calculating control signal, this control signal control automatically select the on-load voltage regulating switch that is connected with each voltage regulation coil tap deciliter, make voltage fluctuation within the specific limits.When the output voltage of transformer is too high, the current on-load voltage regulating switch of control loop disjunction, the on-load voltage regulating switch of a closed low gear; When the output voltage of transformer is too low, the current on-load voltage regulating switch of control loop disjunction, the on-load voltage regulating switch of a closed high gear.In addition, in pressure regulation winding 113, also draw a leading-out terminal 1131, this leading-out terminal 1131 is one of two terminals of transformer one phase winding, and it can connect power supply or other tapping, this will depending on the transformer group.
The three-dimensional winding iron core intelligent transformer that the present embodiment provides has added intelligence control system on the basis of original three-dimensional reel iron core transformer, in this intelligence control system, the data acquisition circuit collection signal, control loop produces control signal according to the signal that collects, in order to control the action of on-load voltage regulating switch, directly regulate the transformer tap in the transformer operation, make transformer can be provided at constant output voltage within critical field when load variations, reduce power consumption, greatly saved power consumption.
On the basis of above-described embodiment, alternatively, three-dimensional reel iron core transformer has the stereochemical structure of three-phase symmetrical, and three stem stems of three-dimensional reel iron core transformer are the three-dimensional arrangement of equilateral triangle, and three lengths of magnetic path are consistent.Referring to Fig. 3, it is the picture in kind of the iron core of three-dimensional winding iron core intelligent transformer of the present invention.Magnetic conduction direction and the magnetic circuit direction of the silicon strip of this three-dimensional reel iron core transformer are in full accord, and the magnetic circuit tight is reeled tightr.Compare with traditional plane laminated transformer, loss is low, and noise is low, and structure is more compact, has saved material.If with the present lamination S7 that uses and the transformer of S9 in such product substitution power network line, on the one hand, the employing three-dimensional reel iron core transformer can be energy-conservation more than 40%; On the other hand, adopt intelligence control system to realize that further load is energy-conservation.That is to say, three-dimensional winding iron core intelligent transformer provided by the invention is a kind of power transformer of dual-energy-saving.If business electrical adopts this three-dimensional winding iron core intelligent transformer, different according to load, the node effect can reach 6%-35%; If power supply department adopts this three-dimensional winding iron core intelligent transformer, can guarantee that rate of qualified voltage reaches 100%, can further extend supply line's radius, make line loss reduce, thereby make whole network operation in safety, economy, efficient running status.
As preferred embodiment a kind of, three-dimensional winding iron core intelligent transformer provided by the invention can also comprise safety system.This safety system is connected with intelligence control system with three-dimensional reel iron core transformer.Referring to Fig. 4, it is the structural representation of the safety system of three-dimensional winding iron core intelligent transformer of the present invention.
Particularly, safety system 3 can comprise CPU 31, voltage signal feedback circuit 32, current signal feedback circuit 33, analog to digital conversion circuit 34, display circuit 35, communication interface circuit 36, remote-controlled input circuit 37 and remote control output circuit 38; Wherein, communication interface circuit 36 is " highway " in electrical control, " bridge ", connects all devices, the appointed functions such as the monitoring of completion system, automatic control and protection.Voltage signal feedback circuit 32 is connected with the current signal feedback circuit all to be connected with intelligence control system with three-dimensional reel iron core transformer 1 and is connected, and is used for obtaining voltage signal and the current signal of three-dimensional reel iron core transformer 1 and intelligence control system 2 feedbacks; Voltage signal feedback circuit 32 is connected with the current signal feedback circuit and all is connected with communication interface circuit 36; Communication interface circuit 36 is connected with analog to digital conversion circuit 34, and analog to digital conversion circuit 34 is done analog-to-digital conversion process with voltage signal and current signal; Communication interface circuit 36 also is connected with remote-controlled input circuit 37; Remote-controlled input circuit 37, display circuit 35 and remote control output circuit are connected and all are connected with CPU 31, and remote-controlled input circuit and remote control output circuit are completed monitor signal input that remote control needs and the output function of control signal.In actual process, voltage signal feedback circuit 32 provides instant magnitude of voltage, and current signal feedback circuit 33 provides instant current value; Be sent to analog to digital conversion circuit 34 through communication interface circuit 36, voltage signal and current signal are done analog-to-digital conversion process; Be sent to remote-controlled input circuit 37 through communication interface circuit 36 again, then through CPU 31 computings, can get magnitude of voltage and current value and output to display circuit 35 and remote control output circuit 38.
Safety system is controlled by microcomputer or microprocessor (as above-mentioned CPU); can be in real time, accurately, on-line monitoring supply line ruuning situation; when electric leakage, overload, short circuit, overvoltage, under-voltage and phase shortage problem appear in the circuit in three-dimensional reel iron core transformer and intelligence control system; safety system starting protection program; send the instruction line disconnection, guarantee the safety and stablization of using electricity system.In addition, safety system also can send sound and light alarm in line disconnection.Further; safety system also can be equipped with lightning protection function; the protection power consumption equipment can not broken by thunder and lightning, is applicable to TT(neutral-point solid ground, equipment ground), the insulation of all live parts of IT(, equipment ground), TN-S(neutral-point solid ground, load adopts zero connection protection, working zero line strictly to separate with protective wire), TN-C-S(neutral-point solid ground, load adopts the neutral line of some circuit in zero connection protection, system and protective wire to unify) multiple distribution system.
in addition, three-dimensional winding iron core intelligent transformer provided by the invention can acquisition and recording the U(voltage in each loop), the I(electric current), P(power), COS ∮ (power factor), the f(frequency), the KWH(kilowatt hour, active electrical degree), the KVARH(kilovar-hour, idle electric degree) the full electric quantity data such as, gather the killer switch amount, the signals such as abnormal alarm signal and non electrical quantity, gather the protection action message, sequence of events recording information, the information such as protective device operating state, real-time main wiring diagram is provided, trend curve, form, sequence of events recording (SOE) etc.
Three-dimensional winding iron core intelligent transformer provided by the invention has following benefit to power supply department:
1, can extend electric substation's radius of electricity supply, be fit to the long distance power delivery of rural power grids
Wide in the region, in the electrical network that power load is disperseed, remote power transmission is a difficult problem all the time, and newly-built transformer station economy is unreasonable, does not build transformer station's power supply quality and can not meet requirement.Use three-dimensional winding iron core intelligent transformer provided by the invention just can well solve problems, it by regulation output voltage can be at double prolongation power transmission distance, improve the quality of voltage of power supply.
2, can make whole piece circuit rate of qualified voltage reach 100%
According to route parameter calculation, can determine installation site and the setting parameter of three-dimensional winding iron core intelligent transformer.Measure by three-dimensional winding iron core intelligent transformer self and calculate simulation whole piece line voltage distribution, guarantee after adjusting that the voltage of whole piece circuit all is up to state standards.
3, can effectively reduce line loss and distribution loss
Owing to having adopted three-dimensional reel iron core transformer, improve a lot on performance than the stacked distribution transformer of tradition, compare with the capacity of power distribution transformer with the S9 type, no-load loss descends 44%, and load loss descends 7%, and no-load current descends 90%, noise level decline 13dB, energy-saving effect is remarkable.Because no-load current descends 90%, so line loss decline is a lot, bring huge economic benefit to electric power system.
4, intelligence control system drops into or the operation that needn't have a power failure out of service
Native system can supporting custom-designed combination by-pass knife switch, and this combination by-pass knife switch is that disconnecting link is carried out in the combination of completing bypass and latch-up protection.Its function is to cut off current route, makes other standby or standby line conduction each other, thus can not produce the band TURP, minute.Such design concept is exquisite, and flexible operation is easy.Needn't have a power failure during maintenance and just transformer can be released operation, the operation that also needn't have a power failure when transformer puts into operation has equally improved power supply reliability.
5, can automatic according to the line load size, manual or telemechanical regulation voltage
This transformer can automatically calculate according to line load size, regulate far-end voltage, but guarantees circuit precise pressure regulation all under any running statuses such as phase three-wire three, two line one ground.
Three-dimensional winding iron core intelligent transformer provided by the invention has following benefit to the enterprise customer:
The control circuit working voltage can reduce the user power utilization equipment loss in the economic operation voltage scope, extend power consumption equipment useful life, has changed in the past the situation of the voltage instability of " burn motor daytime, burn bulb evening ".According to using the different power savings of electric loading between 6%--35%.
Below two forms be depicted as the energy consumption actual measurement data that outlet side voltage is adjusted, wherein:
Table 1 is depicted as the comparing that five factories use three-dimensional winding iron core intelligent transformer of the present invention front and back;
Table 2 is depicted as certain factory and uses three-dimensional winding iron core intelligent transformer of the present invention power consumption and the station service power consumption rate of each power consumption equipment afterwards.
Table 1 is adjusted the different voltage plant energy consumption of 10000 volts of Voltage-output sides measured data
Table 26000 volt voltage is energy consumption actual measurement data simultaneously not
| Project | Operating mode 1 | Operating mode 2 | Operating mode 3 |
| The test beginning and ending time | 9:00-13:00 | 14:45-18:45 | 7:00-11:00 |
| Station-service 6KV voltage/kw | 5.755 | 5.996 | 6.207 |
| No. 2 unit load/mw | 119.773 | 120.667 | 120.055 |
| The high power transformation degree/kw.h of factory | 38016 | 41496 | 44692 |
| The low power transformation degree/kw.h of factory | 1775.2 | 1825.2 | 1906 |
| Coal pulverizer electric degree/kw.h | 2848.4 | 3505.6 | 3358 |
| Mill exhauster electric degree/kw.h | 5875.2 | 1557.2 | 1393.6 |
| Induced draft fan electric degree/kw.h | 3560.8 | 3926.4 | 4309.6 |
| Forced draft fan electric degree kw.h | 4545.2 | 4660 | 4728 |
| Water supply pump electric degree kw.h | 7163.2 | 7385.2 | 7867.2 |
| Station service power consumption rate/% | 7.97 | 8.597 | 9.307 |
| Water supply pump power consumption rate/% | 3.18 | 3.38 | 3.48 |
| Station service power consumption rate/% after rejecting mill exhauster, coal pulverizer | 6.1 | 7.5 | 8.3 |
| Condensate pump electric current/A | 410 | 398 | 378 |
| Station-service 380V voltage/V | 361.35 | 377.5 | 386.2 |
" I " " II " " III " in table 1 represents respectively " operating mode 1 after transformation ", " operating mode 2 after transformation ", " before transformation ", wherein, for " III ", " power saving rate " in table 1 can prove absolutely technique effect of the present invention just for " meritorious power saving rate " in " I " " II " and " idle power saving rate "; Table 2 explanation is in the different periods of every day, and voltage and energy consumption are also different, need intellectualized operation, just can reach best effects, and this is just proving absolutely the technology of the present invention effect, namely optimizes economize on electricity, makes power saving rate the highest.
The present invention discloses with preferred embodiment hereinbefore, yet it will be understood by those skilled in the art that this embodiment only is used for describing the present invention, does not limit the scope of the invention and should not be read as.It should be noted, variation and the displacement of every and this embodiment equivalence all should be considered as being covered by in category of the present invention.
Claims (7)
1. a three-dimensional winding iron core intelligent transformer, is characterized in that, comprising: three-dimensional reel iron core transformer and intelligence control system; Wherein, described intelligence control system comprises on-load voltage regulating switch, control loop and data acquisition circuit;
The on high-tension side voltage regulation coil tap of described three-dimensional reel iron core transformer is connected with described on-load voltage regulating switch, and described on-load voltage regulating switch is connected with described control loop, and described control loop is connected with described data acquisition circuit.
2. three-dimensional winding iron core intelligent transformer according to claim 1, is characterized in that, described control loop receives the data of described data acquisition circuit output, and according to the control signal of this data generation for the action of controlling described on-load voltage regulating switch.
3. three-dimensional winding iron core intelligent transformer according to claim 2, it is characterized in that, the output voltage that shows described three-dimensional winding iron core intelligent transformer when the data of described data acquisition circuit output is during higher than first threshold, the control signal that described control loop produces is used for the disjunction on-load voltage regulating switch, makes the on-load voltage regulating switch of a closed low gear; The output voltage that shows described three-dimensional winding iron core intelligent transformer when the data of described data acquisition circuit output is during lower than Second Threshold, and the control signal that described control loop produces is used for the disjunction on-load voltage regulating switch, makes the on-load voltage regulating switch of a closed high gear.
4. according to claim 1 and 2 or 3 described three-dimensional winding iron core intelligent transformers, it is characterized in that, described three-dimensional reel iron core transformer has the stereochemical structure of three-phase symmetrical, and three stem stems of described three-dimensional reel iron core transformer are the three-dimensional arrangement of equilateral triangle, and three lengths of magnetic path are consistent.
5. according to claim 1 and 2 or 3 described three-dimensional winding iron core intelligent transformers; it is characterized in that; also comprise: safety system; described safety system and described three-dimensional reel iron core transformer be connected intelligence control system and be connected; when electric leakage, overload, short circuit, overvoltage, under-voltage and phase shortage problem appear in the circuit in described three-dimensional reel iron core transformer and described intelligence control system; described safety system starting protection program is used for cutting off described circuit.
6. three-dimensional winding iron core intelligent transformer according to claim 5, it is characterized in that, described safety system comprises CPU, voltage signal feedback circuit, current signal feedback circuit, analog to digital conversion circuit, display circuit, communication interface circuit, remote-controlled input circuit and remote control output circuit;
Wherein, described voltage signal feedback circuit and current signal feedback circuit all with described three-dimensional reel iron core transformer be connected intelligence control system and be connected;
Described voltage signal feedback circuit and current signal feedback circuit all are connected with described communication interface circuit;
Described communication interface circuit is connected with analog-digital conversion circuit as described;
Described communication interface circuit also is connected with described remote-controlled input circuit;
Described remote-controlled input circuit, described display circuit and the remote control output circuit of being connected all are connected with described CPU.
7. three-dimensional winding iron core intelligent transformer according to claim 1, is characterized in that, described intelligence control system supports the use the combination by-pass knife switch.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103943341A (en) * | 2014-05-08 | 2014-07-23 | 黄河勘测规划设计有限公司 | Energy consumption tracking type energy-saving power transformation device |
| CN104333279A (en) * | 2014-10-23 | 2015-02-04 | 苏州市吴中区大陆电子设备厂 | Control system of transformer |
| CN105356473A (en) * | 2015-11-20 | 2016-02-24 | 乔宇 | High-voltage electricity saving system |
| CN105429142A (en) * | 2015-12-25 | 2016-03-23 | 山西乐普节能技术有限公司 | High voltage power-saving system with seamless connection function |
| CN106787183A (en) * | 2016-12-12 | 2017-05-31 | 广东电网有限责任公司电力科学研究院 | A kind of data monitoring terminal and distribution transformer on-line monitoring method |
| CN109285680A (en) * | 2018-09-07 | 2019-01-29 | 中国电力科学研究院有限公司 | A kind of transformer on-load voltage regulating device and method |
| CN113539648A (en) * | 2021-07-08 | 2021-10-22 | 旭宸(上海)能源科技有限公司 | Double-energy-saving intelligent transformer with three-dimensional roll iron core |
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| CN103943341A (en) * | 2014-05-08 | 2014-07-23 | 黄河勘测规划设计有限公司 | Energy consumption tracking type energy-saving power transformation device |
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| CN104333279A (en) * | 2014-10-23 | 2015-02-04 | 苏州市吴中区大陆电子设备厂 | Control system of transformer |
| CN105356473A (en) * | 2015-11-20 | 2016-02-24 | 乔宇 | High-voltage electricity saving system |
| CN105429142A (en) * | 2015-12-25 | 2016-03-23 | 山西乐普节能技术有限公司 | High voltage power-saving system with seamless connection function |
| CN106787183A (en) * | 2016-12-12 | 2017-05-31 | 广东电网有限责任公司电力科学研究院 | A kind of data monitoring terminal and distribution transformer on-line monitoring method |
| CN109285680A (en) * | 2018-09-07 | 2019-01-29 | 中国电力科学研究院有限公司 | A kind of transformer on-load voltage regulating device and method |
| CN113539648A (en) * | 2021-07-08 | 2021-10-22 | 旭宸(上海)能源科技有限公司 | Double-energy-saving intelligent transformer with three-dimensional roll iron core |
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