CN104201677A - Distribution-type intelligent grid phase shift circuit - Google Patents
Distribution-type intelligent grid phase shift circuit Download PDFInfo
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- CN104201677A CN104201677A CN201410492872.4A CN201410492872A CN104201677A CN 104201677 A CN104201677 A CN 104201677A CN 201410492872 A CN201410492872 A CN 201410492872A CN 104201677 A CN104201677 A CN 104201677A
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- phase
- shift circuit
- transformer
- output transformer
- switch device
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Abstract
A distribution-type intelligent grid phase shift circuit comprises three-phase transmission lines and a CPU. The three-phase transmission lines guide one segments to connect to an output transformer respectively, the other end of the output transformer is grounded, the grounded end is provided with a phase acquisition point connected to the A/D conversion input joint of the CPU, the original edge of the output transformer is connected to the three-phase transmission lines, the side edge of the output transformer is connected to the input end of a bidirectional switch device, the output end of the bidirectional switch device is connected to a voltage regulating transformer, the voltage regulating transformer is serially connected to the three-phase transmission lines, and the control end of the bidirectional switch device is connected to the CPU through a relay.
Description
Technical field
The present invention relates to a kind of power system device, especially relate to a kind of distributed phase-shift circuit that is applicable to intelligent grid.
Background technology
Electric power system is a huge real-time working system, the working method of electric power system has the feature of himself, its generating, power transformation, transmission of electricity, electricity consumption is carried out in a flash same, along with electrical network is increasing, the capacity of electric power unit is also increasing, the requirement of the reliability to transmission of electricity power supply is also more and more higher, and this reliability need to be dispatched the running status of whole electric power system is carried out to real-time monitoring, thereby the running status to electrical network in macroscopic view is understood, further, by the present computer technology, electrical network is carried out to modeling, the running status of simulating grid, find in time the operation problem of electrical network, and carry out corresponding maintenance and dispatch, and the monitoring of the operational factor of each equipment needs corresponding equipment to adjust in intelligent grid, such as the phase place of transmission line, need intelligentized adjustment, and dispatch to realize, each equipment is carried out to corresponding scheduling operation.
Summary of the invention
In order to overcome above-mentioned technical problem, the invention provides a kind of distributed intelligence electrical network phase-shift circuit that can adjust in real time three phase line phase place, the technical scheme of employing is as follows:
Distributed intelligence electrical network phase-shift circuit, comprise three phase line and central processor CPU, three phase line is respectively drawn one section of connection output transformer, output transformer other end ground connection, earth terminal is provided with phase acquisition point, phase acquisition point connects the A/D conversion input interface of central processing unit, the former limit of output transformer is connected with three phase line, the side of output transformer connects respectively the input of a bidirectional switch device, the output of bidirectional switch device connects voltage regulating transformer, voltage regulating transformer is connected in series respectively into three phase line, the control end of bidirectional switch device connects central processor CPU by relay.
Further, the ratio of winding of the former limit of described output transformer and side is 3.
Further, the ratio of winding of the former limit of described voltage regulating transformer and side is 1.
Further, described CPU is DSP or ARM chip.
Adopt above-mentioned intelligent grid phase-shift circuit, CPU can automatic dynamic adjusts the phase place operational factor of three phase line.
Brief description of the drawings
Fig. 1 is the structural representation of distributed intelligence electrical network phase-shift circuit.
Embodiment
Distributed intelligence electrical network phase-shift circuit as shown in Figure 1, comprise three phase line A, B, C and central processor CPU, CPU can be DSP or ARM chip, computational speed is fast, and anti-interference energy is energetic, three phase line is respectively drawn one section of connection output transformer T1, 2, 3, the ratio of winding of the former limit of output transformer and side is 3, output transformer other end ground connection, earth terminal is provided with phase acquisition point Dn, phase acquisition point connects the A/D conversion input interface of central processing unit, the former limit of output transformer is connected with three phase line, the side of output transformer connects respectively a bidirectional switch device K1, 2, 3 input, the output of bidirectional switch device connects voltage regulating transformer L1, 2, 3, the ratio of winding of the former limit of voltage regulating transformer and side is 1, voltage regulating transformer is connected in series respectively into three phase line, the control end of bidirectional switch device connects central processor CPU by relay J n, CPU control relay, then cut-offfing bidirectional switch device is folded into the voltage of output transformer on three phase line, realize the control of phase place, this apparatus structure is simple, there is feature flexible and convenient to use.
The above, be only the specific embodiment of the present invention, and in the scope that those of ordinary skill in the art disclose in the present invention, the variation that can expect easily, within all should being encompassed in the protection range of invention.
Claims (4)
1. distributed intelligence electrical network phase-shift circuit, it is characterized in that comprising three phase line and central processor CPU, three phase line is respectively drawn one section of connection output transformer, output transformer other end ground connection, earth terminal is provided with phase acquisition point, phase acquisition point connects the A/D conversion input interface of central processing unit, the former limit of output transformer is connected with three phase line, the side of output transformer connects respectively the input of a bidirectional switch device, the output of bidirectional switch device connects voltage regulating transformer, voltage regulating transformer is connected in series respectively into three phase line, the control end of bidirectional switch device connects central processor CPU by relay.
2. distributed intelligence electrical network phase-shift circuit as claimed in claim 1, the ratio of winding that it is characterized in that the former limit of described output transformer and side is 3.
3. distributed intelligence electrical network phase-shift circuit as claimed in claim 1, the ratio of winding that it is characterized in that the former limit of described voltage regulating transformer and side is 1.
4. distributed intelligence electrical network phase-shift circuit as claimed in claim 1, is characterized in that described CPU is DSP or ARM chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410492872.4A CN104201677A (en) | 2014-09-24 | 2014-09-24 | Distribution-type intelligent grid phase shift circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410492872.4A CN104201677A (en) | 2014-09-24 | 2014-09-24 | Distribution-type intelligent grid phase shift circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104201677A true CN104201677A (en) | 2014-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201410492872.4A Pending CN104201677A (en) | 2014-09-24 | 2014-09-24 | Distribution-type intelligent grid phase shift circuit |
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| CN (1) | CN104201677A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0152002A1 (en) * | 1984-02-10 | 1985-08-21 | BBC Brown Boveri AG | Phase-shifter |
| US5376828A (en) * | 1991-07-01 | 1994-12-27 | Superconductivity, Inc. | Shunt connected superconducting energy stabilizing system |
| US5399955A (en) * | 1990-09-27 | 1995-03-21 | At&T Corp. | Power factor improving arrangement |
| CN202535074U (en) * | 2012-03-30 | 2012-11-14 | 上海市电力公司 | UPQC coordinated control system |
| CN104218580A (en) * | 2014-09-23 | 2014-12-17 | 张慧慧 | Distributed smart power grid adjustment device |
| CN204089194U (en) * | 2014-09-24 | 2015-01-07 | 张慧慧 | Distributed intelligence electrical network phase-shift circuit |
-
2014
- 2014-09-24 CN CN201410492872.4A patent/CN104201677A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0152002A1 (en) * | 1984-02-10 | 1985-08-21 | BBC Brown Boveri AG | Phase-shifter |
| US5399955A (en) * | 1990-09-27 | 1995-03-21 | At&T Corp. | Power factor improving arrangement |
| US5376828A (en) * | 1991-07-01 | 1994-12-27 | Superconductivity, Inc. | Shunt connected superconducting energy stabilizing system |
| CN202535074U (en) * | 2012-03-30 | 2012-11-14 | 上海市电力公司 | UPQC coordinated control system |
| CN104218580A (en) * | 2014-09-23 | 2014-12-17 | 张慧慧 | Distributed smart power grid adjustment device |
| CN204089194U (en) * | 2014-09-24 | 2015-01-07 | 张慧慧 | Distributed intelligence electrical network phase-shift circuit |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141210 |