CN204089166U - The heavily dynamic parallel device of intelligence PT voltage - Google Patents
The heavily dynamic parallel device of intelligence PT voltage Download PDFInfo
- Publication number
- CN204089166U CN204089166U CN201420526469.4U CN201420526469U CN204089166U CN 204089166 U CN204089166 U CN 204089166U CN 201420526469 U CN201420526469 U CN 201420526469U CN 204089166 U CN204089166 U CN 204089166U
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- voltage
- heavily
- dsp processor
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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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
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/20—Systems supporting electrical power generation, transmission or distribution using protection elements, arrangements or systems
Abstract
The utility model discloses the heavily dynamic parallel device of intelligent PT voltage, it has: dsp processor; Be connected to the communication interface modules of dsp processor; Be connected to the human-machine interface module of dsp processor; Be connected to first, second voltage sample module of dsp processor; Be connected to the switching input module of dsp processor; Described dsp processor connects Logic control module; it has the output logic control circuit being connected to dsp processor, and described output logic control circuit is connected to the heavily dynamic and arranged side by side relay module of measuring voltage, the heavily dynamic and arranged side by side relay module of protection voltage and the heavily dynamic and arranged side by side relay module of metered voltage.This device is for gathering the voltage of two sections of bus PT; there are two sections of PT voltages heavily dynamic; two sections of PT voltage functions arranged side by side; its PT monitoring function has the functions such as such as PT broken string, PT decompression, busbar grounding, overvoltage, under-voltage protection; and whole device reliability is high, extensibility is strong; antijamming capability is better, and the PT voltage that can be applicable to 110KV and following electric pressure heavily moves and voltage field arranged side by side.
Description
Technical field
The utility model relates to field of power, especially relates to the heavily dynamic parallel device of a kind of intelligent PT voltage.
Background technology
Traditional PT monitoring system exists that system reliability is poor, extensibility is strong, and the interference free performance of system is not good.
Utility model content
The purpose of this utility model is exactly to solve the problem, and provides a kind of intelligent PT voltage heavily dynamic parallel device.
To achieve these goals, the utility model adopts following technical scheme:
The heavily dynamic parallel device of intelligence PT voltage, it has:
Dsp processor (1);
Be connected to the communication interface modules (2) of dsp processor, it has RS485 interface, Ethernet interface;
Be connected to the human-machine interface module (3) of dsp processor, it comprises the liquid crystal indicator, the key board unit that are connected to dsp processor;
Be connected to first, second voltage sample module (4,5) of dsp processor, first, second voltage sample module described has the PT1 voltage input being connected to voltage sampling circuit, and described voltage sampling circuit accesses dsp processor by AD translation circuit;
Be connected to the switching input module (10) of dsp processor;
Described dsp processor connects Logic control module (6), it has the output logic control circuit being connected to dsp processor, this output logic control circuit has warning outlet and action exports, and described output logic control circuit is connected to the heavily dynamic and arranged side by side relay module (7) of measuring voltage, protects the heavily dynamic and arranged side by side relay module (8) of voltage and the heavily dynamic and arranged side by side relay module (9) of metered voltage;
Wherein, described measuring voltage heavily dynamic and side by side relay module have the measuring voltage being connected to output logic control circuit heavily dynamic and and column circuits, this measuring voltage heavily dynamic and and column circuits is connected to PT1 protects voltage input and to export and PT2 protects voltage input and exports, described protection voltage heavily dynamic and side by side relay module have the protection voltage being connected to output logic control circuit heavily dynamic and and column circuits, this protection voltage heavily moves and also column circuits is connected to PT1 protection voltage input and exports, PT2 protects voltage input and exports, described metered voltage heavily dynamic and side by side relay module have the metered voltage being connected to output logic control circuit heavily dynamic and and column circuits, this metered voltage is heavily moved and also column circuits is connected to PT1 protection voltage input and exports, PT2 protects voltage input and exports.
The utility model has following beneficial effect: the heavily dynamic parallel device of intelligent PT voltage is for gathering the voltage of two sections of bus PT; there are two sections of PT voltages heavily dynamic; two sections of PT voltage functions arranged side by side; its PT monitoring function has the functions such as such as PT broken string, PT decompression, busbar grounding, overvoltage, under-voltage protection; and whole device reliability is high, extensibility is strong; antijamming capability is better, and the PT voltage that can be applicable to 110kV and following electric pressure heavily moves and voltage field arranged side by side.
Accompanying drawing explanation
Fig. 1 is the heavily dynamic parallel device schematic diagram of intelligent PT voltage.
Fig. 2 is PT voltage automatic Synchronization relay protective scheme figure.
Fig. 3 is PT voltage automatic parallel off relay protective scheme figure.
Fig. 4 is that measuring voltage is heavily dynamic and and column circuits, protection voltage are heavily dynamic and and column circuits, metered voltage are heavily dynamic and and the schematic diagram of column circuits.
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with specific embodiment, setting forth the utility model further.
As shown in Figure 1; the heavily dynamic parallel device of intelligence PT voltage; it has: the heavily dynamic and arranged side by side relay module 7 of dsp processor 1, communication interface modules 2, human-machine interface module 3, first, second voltage sample module 4,5, Logic control module 6, measuring voltage, the heavily dynamic and arranged side by side relay module 8 of protection voltage and metered voltage heavily dynamic and arranged side by side relay module 9, switching input module 10.
Wherein, described dsp processor 1 is the dspIC33FJ256GP710 of microchip company of the U.S..
Be connected to the communication interface modules 2 of dsp processor, it has RS485 interface, Ethernet interface two kinds of interface shapes, and RS485 Application of Interface is extensive, and adaptability is high, and speed is fast, and Ethernet interface, traffic rate is fast, efficiency is high, enhances the communication function of device.
Be connected to the human-machine interface module 3 of dsp processor, it comprises the liquid crystal indicator, the key board unit that are connected to dsp processor.
Be connected to first, second voltage sample module 4 of dsp processor, 5, first, second voltage sample module described has the PT1 voltage input being connected to voltage sampling circuit, described voltage sampling circuit accesses dsp processor by AD translation circuit, analogue collection module comprises two group of 4 road voltage input, main collection two sections of bus PT voltages.
Be connected to the switching input module 10 of dsp processor, it comprises 12 way switch amount inputs, and every road is equipped with photoelectric isolating circuit, On-off signal mainly gathers the signal such as PT position, section breaker position, staged isolation disconnecting link 1 position, staged isolation disconnecting link 2 position, manually arranged side by side, manual off-the-line, automatically control, distant place control.
Described dsp processor connects Logic control module 6; it has the output logic control circuit being connected to dsp processor; this output logic control circuit has warning outlet and action exports, and described output logic control circuit is connected to the heavily dynamic and arranged side by side relay module 7 of measuring voltage, protects the heavily dynamic and arranged side by side relay module 8 of voltage and the heavily dynamic and arranged side by side relay module 9 of metered voltage.Wherein, described measuring voltage heavily dynamic and side by side relay module have the measuring voltage being connected to output logic control circuit heavily dynamic and and column circuits, this measuring voltage heavily dynamic and and column circuits is connected to PT1 protects voltage input and to export and PT2 protects voltage input and exports, described protection voltage heavily dynamic and side by side relay module have the protection voltage being connected to output logic control circuit heavily dynamic and and column circuits, this protection voltage heavily moves and also column circuits is connected to PT1 protection voltage input and exports, PT2 protects voltage input and exports, described metered voltage heavily dynamic and side by side relay module have the metered voltage being connected to output logic control circuit heavily dynamic and and column circuits, this metered voltage is heavily moved and also column circuits is connected to PT1 protection voltage input and exports, PT2 protects voltage input and exports.See Fig. 4, measuring voltage heavily dynamic and and column circuits, protection voltage heavily dynamic and and column circuits, metered voltage schematic diagram that is heavily dynamic and also column circuits is identical, (three's schematic diagram is identical for the circuit structure that all have employed as shown in Figure 4, so illustrate one of them), when 1#PT (in full if no special instructions, the structure that 1#PT and PT1 refers to is same structure, mutually there is equivalents, 2#PT and PT2 is with it in like manner) handcart is in service position (or 1#PT disconnecting link co-bit, i.e. 1G junction closure) time, drive TJ11, TJ12, XJ1 tri-relays, the heavily dynamic circuit of 1#PT voltage runs, export the heavily dynamic signal of 1#PT voltage when 2#PT handcart is in service position (or 2#PT disconnecting link co-bit simultaneously, i.e. 2G junction closure) time, drive TJ21, TJ22, XJ2 tri-relays, the heavily dynamic circuit of 2#PT voltage runs, export the heavily dynamic above 1#PT handcart of signal of 2#PT voltage in service position (or 1#PT disconnecting link co-bit) simultaneously, 2#PT handcart is collected by switching input module at service position (or 2#PT disconnecting link co-bit) signal, when dsp chip detection is to when meeting condition arranged side by side (condition arranged side by side is Fig. 2), driver output logic control circuit, this circuit exports a contact BL arranged side by side, and such PT voltage column circuits run, and exports 2#PT voltage parallel signals simultaneously.
Input and output adopts the pin of CPU directly to control, and adopts optocoupler to carry out Phototube Coupling, and does not need CPLD or FPGA to expand, and has both reduced development difficulty, has additionally reduced component number, thus reduced the fault point, improve the reliability of device.
PT voltage automatic Synchronization function
It is arranged side by side that this device is provided with PT.PT mainly judges PT position, section breaker position, staged isolation disconnecting link 1 position, staged isolation disconnecting link 2 position side by side and judges whether two groups of PT line voltages have pressure, automatically completes PT arranged side by side, for other control appliance provides effective bus three-phase voltage.
See in Fig. 2, figure:
ZDQH_YX=1 represents that automatic switchover allows to open into access;
PT1_YX=1, PT1_YX=0 represent that PT1 isolation switch is in co-bit and point position respectively;
PT2_YX=1, PT2_YX=0 represent that PT2 isolation switch is in co-bit and point position respectively;
Umax1, Umax2, Umin1, Umin2 represent maximum line voltage and the minimum line voltage of I section and II section bus respectively;
What Uset10, Uset20 represented I section and II section bus respectively has compression set value;
Uset11, Uset21 represent the definite value with no pressure of I section and II section bus respectively;
Tbl represents the time delay definite value that PT voltage automatic Synchronization is protected.
PT voltage automatic parallel off is protected
By judging that the position of PT realizes PT off-the-line.
See in Fig. 3, figure: ZDQH_YX=1 represents that automatic switchover allows to open into access;
PT1_YX=PT2_YX represents that PT1 isolation switch and PT2 isolation switch are in co-bit simultaneously or are in a point position together; Tjl represents the time delay definite value that PT voltage automatic parallel off is protected.
Remote control/hand control function
Remote control by communication modes send normal remote control side by side, off-the-line order, complete distant control function.
When carrying out remote control operation, remote operation need be allowed open into being set to high level, automatically switch and allow to open into not being set to high level, namely " distant place/on the spot " switch is in remote location, " automatic switchover " switch is in disable bit, remote operation in control word is allowed to drop into simultaneously, after above-mentioned three conditions meet, could by distant place control operation.
When Non-follow control (or off-the-line) arranged side by side, need remote operation allow to open into and automatic switchover allow to open into not all being set to high level, namely " distant place/on the spot " switch is in regard to position, " automatic switchover " switch is in disable bit, simultaneously manually side by side (or off-the-line) open into signal access device, (or off-the-line) operation side by side can be completed manually.
This case adopts DSP core processor inner high-precision AD sampled analog amount, can gather 13 tunnel analog quantitys, and can realize 13 road synchronous high-speed samplings; Good raising is had for the sampling precision of analog quantity and computational accuracy.
All external interfaces all have employed Phototube Coupling, enhance the interference free performance of device.
The foregoing is only preferred implementation of the present utility model, protection range of the present utility model is not limited in above-mentioned execution mode, and every technical scheme belonging to the utility model principle all belongs to protection range of the present utility model.For a person skilled in the art, the some improvement carried out under the prerequisite not departing from principle of the present utility model, these improvement also should be considered as protection range of the present utility model.
Claims (1)
1. the heavily dynamic parallel device of intelligent PT voltage, is characterized in that having:
Dsp processor (1);
Be connected to the communication interface modules (2) of dsp processor, it has RS485 interface, Ethernet interface;
Be connected to the human-machine interface module (3) of dsp processor, it comprises the liquid crystal indicator, the key board unit that are connected to dsp processor;
Be connected to first, second voltage sample module (4,5) of dsp processor, first, second voltage sample module described has the PT1 voltage input being connected to voltage sampling circuit, and described voltage sampling circuit is by AD translation circuit access dsp processor;
Be connected to the switching input module (10) of dsp processor;
Described dsp processor connects Logic control module (6), it has the output logic control circuit being connected to dsp processor, this output logic control circuit has warning outlet and action exports, and described output logic control circuit is connected to the heavily dynamic and arranged side by side relay module (7) of measuring voltage, protects the heavily dynamic and arranged side by side relay module (8) of voltage and the heavily dynamic and arranged side by side relay module (9) of metered voltage;
Wherein, described measuring voltage heavily dynamic and side by side relay module have the measuring voltage being connected to output logic control circuit heavily dynamic and and column circuits, this measuring voltage heavily dynamic and and column circuits is connected to PT1 protects voltage input and to export and PT2 protects voltage input and exports, described protection voltage heavily dynamic and side by side relay module have the protection voltage being connected to output logic control circuit heavily dynamic and and column circuits, this protection voltage heavily moves and also column circuits is connected to PT1 protection voltage input and exports, PT2 protects voltage input and exports, described metered voltage heavily dynamic and side by side relay module have the metered voltage being connected to output logic control circuit heavily dynamic and and column circuits, this metered voltage is heavily moved and also column circuits is connected to PT1 protection voltage input and exports, PT2 protects voltage input and exports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420526469.4U CN204089166U (en) | 2014-09-12 | 2014-09-12 | The heavily dynamic parallel device of intelligence PT voltage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420526469.4U CN204089166U (en) | 2014-09-12 | 2014-09-12 | The heavily dynamic parallel device of intelligence PT voltage |
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| Publication Number | Publication Date |
|---|---|
| CN204089166U true CN204089166U (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420526469.4U Expired - Fee Related CN204089166U (en) | 2014-09-12 | 2014-09-12 | The heavily dynamic parallel device of intelligence PT voltage |
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| CN (1) | CN204089166U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602522A (en) * | 2017-02-13 | 2017-04-26 | 安阳工学院 | Voltage transformer parallel apparatus and automatic parallel control logic thereof |
| CN109921380A (en) * | 2019-02-02 | 2019-06-21 | 国网浙江省电力有限公司丽水供电公司 | A kind of protective device for preventing from moving parallel device reverse charge again |
-
2014
- 2014-09-12 CN CN201420526469.4U patent/CN204089166U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602522A (en) * | 2017-02-13 | 2017-04-26 | 安阳工学院 | Voltage transformer parallel apparatus and automatic parallel control logic thereof |
| CN109921380A (en) * | 2019-02-02 | 2019-06-21 | 国网浙江省电力有限公司丽水供电公司 | A kind of protective device for preventing from moving parallel device reverse charge again |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20170912 |
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| CF01 | Termination of patent right due to non-payment of annual fee |