CN104715959A - Intelligent phase selection controller equipment - Google Patents
Intelligent phase selection controller equipment Download PDFInfo
- Publication number
- CN104715959A CN104715959A CN201510128671.0A CN201510128671A CN104715959A CN 104715959 A CN104715959 A CN 104715959A CN 201510128671 A CN201510128671 A CN 201510128671A CN 104715959 A CN104715959 A CN 104715959A
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- China
- Prior art keywords
- module
- voltage
- cpu module
- igbt
- programmable logic
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/59—Circuit arrangements not adapted to a particular application of the switch and not otherwise provided for, e.g. for ensuring operation of the switch at a predetermined point in the ac cycle
Abstract
The invention discloses intelligent phase selection controller equipment which comprises a programmable logic device, an IGBT module, a merging unit CPU module, a voltage/current transformer, a first transceiver, an intelligent terminal CPU module, a switch-in/out module and a second transceiver. The merging unit CPU module and the IGBT module are connected with the programmable logic device. The merging unit CPU module collects voltage/current analog quantity of the voltage/current transformer. The intelligent terminal CPU module collects switch input/output quantity information. A transmit-receive GOOSE is in communication with spacer layer equipment. The merging unit CPU module and the programmable logic device carry out operation processing through a CPU, voltage-current zero crossing point time is predicted, and IGBT module action is controlled. An IGBT is used for controlling a breaker to achieve tripping and closing at a voltage-current zero crossing position, inrush current surging or transient overvoltage generated during tripping and closing of the breaker is reduced, and the using rate of electric equipment is improved.
Description
Technical field
The present invention relates to a kind of intelligent phase selection controller equiment, belong to intelligent substation technical field of relay protection.
Background technology
Along with the development of intelligent substation, IEC 61850 technology is ripe gradually, and traditional phase-controlled device can not meet present stage development need.In traditional transformer station, output module and adopt relay outlet, discrete type is large, and the time is difficult to determine, can not meet quick outlet.Prior art adopts following methods to realize circuit breaker at the tripping operation of zero crossing place, combined floodgate: proterctive equipment gathers voltage/current analog AC amount; calculate the zero crossing moment of voltage/current; trigger IGBT action; control the tripping operation of circuit breaker, combined floodgate; the method circuit breaker point, shove impact or the temporary overvoltage that produce in making process, reduce the useful life of electric equipment.
The explanation of nouns of relevant technical terms is as follows:
Merge cells: major function is the curtage analog signal of synchronous acquisition primary equipment, sends SVSsample Value by IEC 61850-9-2LE agreement with the sample rate of every cycle 80 points after A/D data processing) message is to cell device.
Intelligent terminal: major function gathers switch input variable, switch output variable information, be uploaded to cell device by GOOSE (Generic Object Oriented Substation Event) message, and receive the functions such as GOOSE message realization tripping operation.
Summary of the invention
For the deficiency that prior art exists, the object of the invention is to provide a kind of intelligent phase selection controller equiment, decrease circuit breaker point, shove impact or the temporary overvoltage that produce in making process, improve the utilance of electric equipment.
To achieve these goals, the present invention realizes by the following technical solutions:
A kind of intelligent phase selection controller equiment of the present invention, comprise programmable logic device, IGBT module, merge cells CPU module, the voltage/current instrument transformer be connected with merge cells CPU module and for receive and dispatch SV signal first transceiver, intelligent terminal CPU module and opening of being connected with intelligent terminal CPU module into/output module and the second transceiver for receiving and dispatching GOOSE signal; Described merge cells CPU module and IGBT module are connected with programmable logic device; Merge cells CPU module gathers the voltage/current analog quantity of voltage/current instrument transformer, and transmitting-receiving SV signal communicates with bay device; Described intelligent terminal CPU module gathers switch input variable, switch output variable information, and transmitting-receiving GOOSE signal communicates with bay device, and by internal bus, GOOSE signal is transmitted to merge cells CPU module; By programmable logic device calculation process (this arithmetic processing method is prior art, repeats no more), dope the voltage/current zero crossing time herein, the action of control IGBT module, control circuit breaker and realize breaker tripping and closing at voltage/current zero crossing place.
Differential lines is adopted to control between every road IGBT and programmable logic device.
Every road IGBT adopts independently+12V/-12V power module to power.
Above-mentioned IGBT module adopts 6 road IGBT to export.
That above-mentioned programmable logic device specifically adopts is FPGA or CPLD.
The present invention adopts IGBT module to control, and circuit breaker realizes three-phase tripping operation at voltage/current zero crossing place, three-phase closes a floodgate, decrease circuit breaker point, shove impact or the temporary overvoltage that produce in making process, improve the utilance of electric equipment.
Accompanying drawing explanation
Fig. 1 is a kind of intelligent phase selection controller equiment theory diagram of the present invention;
Fig. 2 is the theory diagram of FPGA control IGBT of the present invention;
Fig. 3 is a kind of intelligent phase selection controller back plate figure of the present invention.
Embodiment
The technological means realized for making the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with embodiment, setting forth the present invention further.
In intelligent substation automatic equipment, circuit breaker point, shove impact or the temporary overvoltage that produce in making process, reduce the useful life of electric equipment.In order to improve the utilance of electric equipment, a kind of intelligent phase selection controller equiment of the present invention, cohesive process layer equipment application technology, integrate merge cells, intelligent terminal, phase-controlled device function, based on field programmable logic device (FPGA, Field Programmable Gate Array) application technology, gather voltage/current analog quantity, dope the voltage/current zero crossing time, direct control insulated gate bipolar transistor (IGBT, Insulated Gate Bipolar Transistor) action, control circuit breaker and realize three-phase tripping operation at voltage/current zero crossing place, three-phase closes a floodgate, reduce circuit breaker dividing, shove impact or the temporary overvoltage that produce in making process, improve the utilance of electric equipment.
In intelligent power transformation, Kernel-based methods layer combining unit, intelligent terminal, gather voltage/current analog AC amount, calculate the zero crossing moment of voltage/current, trigger IGBT action, control separating brake, the combined floodgate of circuit breaker.Can communicate with protection/measuring and controlling equipment, transmitting-receiving SV signal, GOOSE signal, also can realize the quick outlet of circuit breaker, is the developing direction realizing " primary equipment site ".
In intelligent substation automation equipment, based on IEC 61850 standard, various equipment can with this protocol communication.Intelligent phase selection controller directly judges the voltage/current zero crossing time predicting circuit breaker, and directly exported, reduces the time of control loop.
See Fig. 1, intelligent phase selection controller equiment of the present invention, cohesive process layer equipment application technology, integrate merge cells, intelligent terminal, phase-controlled device function, comprise voltage/current instrument transformer, I-CPU module (intelligent terminal CPU), M-CPU module (merge cells CPU), IGBT module, OPT module, open into/output module, TRIP module, power module composition.
The layout order of module, and working method: merge cells M-CPU module gathers the of ac of AC module, transmitting-receiving SV signal, the GOOSE control command that intelligent terminal I-CPU module will receive, M-CPU will be transmitted to, through programmable logic device (FPGA, CPLD) calculation process by internal bus, control IGBT action, makes circuit breaker realize tripping operation at voltage/current zero crossing place, close a floodgate.
Operation principle of the present invention is: merge cells M-CPU module gathers the voltage/current of ac of voltage/current instrument transformer, and transmitting-receiving SV signal, communicates with bay device.Intelligent terminal I-CPU module gathers intake, the amount of outputing, and transmitting-receiving GOOSE signal communicates with bay device.Merge cells M-CPU module is by CPU and programmable logic device calculation process, and control IGBT action, controls circuit breaker and realize tripping operation at voltage/current zero crossing place, close a floodgate.
In intelligent phase selection controller of the present invention, merge cells CPU module predicts the zero crossing moment t of next voltage/current
0, after receiving GOOSE trip signal, calculate t operate time of IGBT according to formula (1)
on.
t
on＝t
0-t
d(1)
In formula, t
dfor control loop delay time.
Intelligent phase selection controller can control the IGBT action of every road respectively, and the feed motion time is within 2ms within 1ms operate time for IGBT loop separating brake.
See Fig. 2, in programmable logic device control IGBT loop, between programmable logic device and IGBT, adopt differential lines to control, and every road IGBT adopt independently+12V/-12V power module to power, and realizes 6 road IGBT and exports.To improve the anti-interference redundant ability of equipment.
See Fig. 3, intelligent phase selection controller equiment is according to the needs of various function, adopt 19 inches of 4U standard PC cases, back plate type module modularization, mainly be divided into: AC module (1X), I-CPU module (2X), M-CPU module (3X) IGBT module (4X), OPT module (5X), DO module (6X ~ 8X), DI module (9X ~ 11X), TRIP module (12X ~ 14X), power module (15X), for improving the antijamming capability of device.
More than show and describe general principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection range is defined by appending claims and equivalent thereof.
Claims (5)
1. an intelligent phase selection controller equiment, it is characterized in that, comprise programmable logic device, IGBT module, merge cells CPU module, the voltage/current instrument transformer be connected with merge cells CPU module and for receive and dispatch SV signal first transceiver, intelligent terminal CPU module and opening of being connected with intelligent terminal CPU module into/output module and the second transceiver for receiving and dispatching GOOSE signal; Described merge cells CPU module and IGBT module are connected with programmable logic device;
Described merge cells CPU module gathers the voltage/current analog quantity of voltage/current instrument transformer, and transmitting-receiving SV signal communicates with bay device; Described intelligent terminal CPU module gathers switch input variable, switch output variable information, and transmitting-receiving GOOSE signal communicates with bay device, and by internal bus, GOOSE signal is transmitted to merge cells CPU module; By described programmable logic device calculation process, dope the voltage/current zero crossing time, the action of control IGBT module, control circuit breaker and realize breaker tripping and closing at voltage/current zero crossing place.
2. intelligent phase selection controller equiment according to claim 1, is characterized in that, adopts differential lines to control between every road IGBT and programmable logic device.
3. intelligent phase selection controller equiment according to claim 2, is characterized in that,
Every road IGBT adopts independently+12V/-12V power module to power.
4. intelligent phase selection controller equiment according to claim 2, is characterized in that,
Described IGBT module adopts 6 road IGBT to export.
5. the intelligent phase selection controller equiment according to Claims 1 to 4 any one, is characterized in that,
That described programmable logic device specifically adopts is FPGA or CPLD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510128671.0A CN104715959A (en) | 2015-03-23 | 2015-03-23 | Intelligent phase selection controller equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510128671.0A CN104715959A (en) | 2015-03-23 | 2015-03-23 | Intelligent phase selection controller equipment |
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| Publication Number | Publication Date |
|---|---|
| CN104715959A true CN104715959A (en) | 2015-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510128671.0A Pending CN104715959A (en) | 2015-03-23 | 2015-03-23 | Intelligent phase selection controller equipment |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1971298A (en) * | 2006-11-28 | 2007-05-30 | 上海电器科学研究所（集团）有限公司 | Thyristor phase-selecting switch experiment device |
| CN103051062A (en) * | 2012-12-27 | 2013-04-17 | 国电南瑞科技股份有限公司 | Intelligent phase selection system and method for multifunctional measuring and control device |
| CN203085444U (en) * | 2012-12-26 | 2013-07-24 | 中国西电电气股份有限公司 | Phase selection switch controller with self-measuring function |
| CN103683510A (en) * | 2013-12-16 | 2014-03-26 | 中国西电电气股份有限公司 | Intelligent switch control device with phase selection control and wave self-recording functions and method |
-
2015
- 2015-03-23 CN CN201510128671.0A patent/CN104715959A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1971298A (en) * | 2006-11-28 | 2007-05-30 | 上海电器科学研究所（集团）有限公司 | Thyristor phase-selecting switch experiment device |
| CN203085444U (en) * | 2012-12-26 | 2013-07-24 | 中国西电电气股份有限公司 | Phase selection switch controller with self-measuring function |
| CN103051062A (en) * | 2012-12-27 | 2013-04-17 | 国电南瑞科技股份有限公司 | Intelligent phase selection system and method for multifunctional measuring and control device |
| CN103683510A (en) * | 2013-12-16 | 2014-03-26 | 中国西电电气股份有限公司 | Intelligent switch control device with phase selection control and wave self-recording functions and method |
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Application publication date: 20150617 |