CN106099954A - Novel electric power system stability controls device - Google Patents
Novel electric power system stability controls device Download PDFInfo
- Publication number
- CN106099954A CN106099954A CN201610593558.4A CN201610593558A CN106099954A CN 106099954 A CN106099954 A CN 106099954A CN 201610593558 A CN201610593558 A CN 201610593558A CN 106099954 A CN106099954 A CN 106099954A
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- China
- Prior art keywords
- power system
- outfan
- system stability
- electric power
- novel electric
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/24—Arrangements for preventing or reducing oscillations of power in networks
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P9/00—Arrangements for controlling electric generators for the purpose of obtaining a desired output
- H02P9/10—Control effected upon generator excitation circuit to reduce harmful effects of overloads or transients, e.g. sudden application of load, sudden removal of load, sudden change of load
- H02P9/105—Control effected upon generator excitation circuit to reduce harmful effects of overloads or transients, e.g. sudden application of load, sudden removal of load, sudden change of load for increasing the stability
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/002—Flicker reduction, e.g. compensation of flicker introduced by non-linear load
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention belongs to the technical field of power equipment, be specifically related to a kind of novel electric power system stability and control device；Technical problem to be solved is: provide one to can apply to interconnection type power system, it is achieved the control to large-scale power system so that the novel electric power system stability that power system stability is run controls device；The technical scheme that type uses is: novel electric power system stability controls device, including: current-voltage transformer, singlechip controller, converter, excitation voltage regulation device, combined network communication module and power module；The present invention is applicable to field of electrical equipment.
Description
Technical field
The invention belongs to the technical field of power equipment, be specifically related to a kind of novel electric power system stability and control device.
Background technology
Power system stabilizer, PSS is exactly a kind of additional excitation control technology studied for power oscillation damping, and it is in excitation
In voltage regulator, introduce the additional signal leading over axle speed, produce a positive damping torque, go to overcome former excitation voltage to adjust
The negative damping torque produced in joint device, is used for improving power system damping, solving low-frequency oscillation problem, is to improve power train
One of important measures of system dynamic stability.The signal that its extraction is relevant with this vibration, such as generator active power, rotating speed or frequency
Rate, is acted upon, and the additional signal of generation is added in field regulator, makes electromotor produce the additional force of damping frequencies oscillation
Square.But the regulator of current power system, is much suitable for single small electrical system, in interconnection type large-scale power system
In system, the vibration of complexity can be produced, thus cause stability controller cisco unity malfunction, cause power system can not well by
Control so that electric energy is wasted.
Summary of the invention
The present invention overcomes the deficiency that prior art exists, technical problem to be solved to be: provide one to can apply to mutually
Connection formula power system, it is achieved the control to large-scale power system so that the novel electric power system stability that power system stability is run
Control device.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is: novel electric power system stability controls device,
Including: current-voltage transformer, singlechip controller, converter, excitation voltage regulation device, combined network communication module and power supply mould
Block, the input of described current-voltage transformer and three-phase bus be electrically connected, the outfan of described current-voltage transformer with
The input electrical connection of described singlechip controller, the outfan of described singlechip controller and the input of described converter
Electrical connection, the outfan of described converter is electrically connected with the input of described excitation voltage regulation device, described excitation voltage
The outfan of actuator is electrically connected with described three-phase bus, described combined network communication module and the communication of described singlechip controller
End is bi-directionally connected, and the outfan of described power module is electrically connected with the power end of described singlechip controller.
Alternatively, described excitation voltage regulation device includes: stator and rotor, and described rotor is arranged in described stator, institute
Stating stator to be electrically connected with described three-phase bus, described rotor is electrically connected with the outfan of described converter.
Alternatively, described Stability Control Device Used in Power System also includes: alarm device, the input of described alarm device with
The outfan electrical connection of described singlechip controller, the input of described singlechip controller also with the output of speed probe
End electrical connection, described speed probe is arranged on described rotor.
Alternatively, also include: variable connector, band filter and a/d converter, the output of described current-voltage transformer
End passes sequentially through the input of described variable connector, described band filter and described a/d converter and described singlechip controller
Electrical connection.
Alternatively, also including: transformator, the input of described transformator is electric with the outfan of described singlechip controller
Connecting, the outfan of described transformator is electrically connected with described three-phase bus.
Alternatively, described combined network communication module includes: Web server, switch and radio network router, described Web
Server, described switch and described radio network router are electrically connected successively.
Alternatively, described power module includes: accumulator and photovoltaic panel, and described accumulator and described photovoltaic panel electrically connect
Connect.
The present invention compared with prior art has the advantages that
In the present invention, current-voltage transformer gathers the service data of power system, passes to singlechip controller, single-chip microcomputer control
After device processed receives these data, it is judged that the operation conditions of power system, by the rotary speed of converter regulation rotor, make excitation electricity
Pressure actuator produces damping torque and draws the vibration offset in electrical network, reaches to control the purpose of power system stability, additionally, monolithic
Machine controller passes through combined network communication module, carries out communication with the module in other regions, connects the Internet such as and realizes interconnection type
Stability contorting；Whole apparatus structure is compact, and design principle is simple, is well applied to interconnection type power system, it is achieved that for
The control of large-scale power system so that power system stability is run, it is possible to be widely popularized.
Accompanying drawing explanation
The present invention will be further described in detail below in conjunction with the accompanying drawings.
Fig. 1 controls the electrical block diagram of device for the novel electric power system stability that the embodiment of the present invention one provides；
Fig. 2 controls the electrical block diagram of device for the novel electric power system stability that the embodiment of the present invention two provides；
Fig. 3 controls the electrical block diagram of device for the novel electric power system stability that the embodiment of the present invention three provides；
In figure: 101 is current-voltage transformer, 102 is singlechip controller, and 103 is converter, and 104 is excitation voltage regulation
Device, 1041 is stator, and 1042 is rotor, and 105 is combined network communication module, and 1051 is Web server, and 1052 is switch, 1053
For radio network router, 106 is power module, and 1061 is accumulator, and 1062 is photovoltaic panel, and 107 is three-phase bus, and 108 are
Variable connector, 109 is band filter, and 110 is a/d converter, and 111 is alarm device, and 112 is speed probe, and 113 for becoming
Depressor.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention rather than whole embodiments；Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under not making creative work premise, broadly falls into the scope of protection of the invention.
Fig. 1 controls the electrical block diagram of device for the novel electric power system stability that the embodiment of the present invention one provides, as
Shown in Fig. 1, novel electric power system stability controls device, it may include: current-voltage transformer 101, singlechip controller 102, change
Frequently device 103, excitation voltage regulation device 104, combined network communication module 105 and power module 106, described current-voltage transformer 101
Input can be electrically connected with three-phase bus 107, the outfan of described current-voltage transformer 101 can be with described single-chip microcomputer control
The input electrical connection of device 102 processed, the outfan of described singlechip controller 102 can be with the input of described converter 103
Electrical connection, the outfan of described converter 103 can be electrically connected with the input of described excitation voltage regulation device 104, described
The outfan of excitation voltage regulation device 104 can be electrically connected with described three-phase bus 107, and described combined network communication module 105 can be with
The communication terminal of described singlechip controller 102 is bi-directionally connected, and the outfan of described power module 106 can be with described Single-chip Controlling
The power end electrical connection of device 102.
Specifically, described excitation voltage regulation device 104 comprises the steps that stator 1041 and rotor 1042, and described rotor 1042 can
Being arranged in described stator 1041, described stator 1041 can be electrically connected with described three-phase bus 107, and described rotor 1042 can be with
The outfan electrical connection of described converter 103.
Specifically, described novel electric power system stability control device may also include that variable connector 108, band filter 109
With a/d converter 110, the outfan of described current-voltage transformer 101 can pass sequentially through described variable connector 108, described band leads to
The input electrical connection of wave filter 109 and described a/d converter 110 and described singlechip controller 102.
Specifically, described combined network communication module 105 comprises the steps that Web server 1051, switch 1052 and wireless network road
By device 1053, described Web server 1051, described switch 1052 and described radio network router 1053 can the most electrically connect
Connect.
Specifically, described power module 106 comprises the steps that accumulator 1061 and photovoltaic panel 1062, described accumulator 1061 He
Described photovoltaic panel 1062 is electrically connected.
Serial communication interface can be provided with in described singlechip controller 102, carry out data for the module with other regions
Exchange.
Fig. 2 controls the electrical block diagram of device for the novel electric power system stability that the embodiment of the present invention two provides, as
Shown in Fig. 2, described Stability Control Device Used in Power System may also include that alarm device 111, the input of described alarm device 111
Can be electrically connected with the outfan of described singlechip controller 102, the input of described singlechip controller 102 also can be with rotating speed
The outfan electrical connection of sensor 112, described speed probe 112 may be disposed on described rotor 1042.
Specifically, described alarm device 111 comprises the steps that alarm lamp and alarming horn.
Fig. 3 controls the electrical block diagram of device for the novel electric power system stability that the embodiment of the present invention three provides, as
Shown in Fig. 3, described novel electric power system stability controls device and may also include that transformator 113, the input of described transformator 113
Can be electrically connected with the outfan of described singlechip controller 102, the outfan of described transformator 112 can be with described three-phase bus
107 electrical connections.
During work, current-voltage transformer 101 gathers the service data of power system, passes to singlechip controller 102,
After singlechip controller 102 receives these data, it is judged that the operation conditions of power system, regulate rotor 1042 by converter 103
Rotary speed, make excitation voltage regulation device 104 produce damping torque and draw the vibration offset in electrical network, reach to control power train
Unite stable purpose, additionally, singlechip controller 102 is by combined network communication module 105, lead to the module in other regions
News, connect the Internet such as and realize the stability contorting of interconnection type；Stability Control Device Used in Power System in the present invention, utilizes frequency conversion
Device 103 and transformator 113 regulate electrical network intrinsic parameter so that the damping that the vibration of electrical network produces with stator 1041, rotor 1042 turns
Square offsets, and by singlechip controller 102 Acquisition Circuit information, adapts to different electrical networks, accesses the Internet and realizes interconnection type
The stability contorting of large-scale power grid, is well applied to interconnection type power system, it is achieved that for the control of large-scale power system, make
Obtain power system stability to run, be worthy to be popularized.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit；To the greatest extent
The present invention has been described in detail by pipe with reference to foregoing embodiments, it will be understood by those within the art that: it depends on
So the technical scheme described in foregoing embodiments can be modified, or the most some or all of technical characteristic is entered
Row equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology
The scope of scheme.
Claims (7)
1. novel electric power system stability controls device, it is characterised in that: including: current-voltage transformer (101), Single-chip Controlling
Device (102), converter (103), excitation voltage regulation device (104), combined network communication module (105) and power module (106), described
The input of current-voltage transformer (101) is electrically connected with three-phase bus (107), described current-voltage transformer (101)
The input electrical connection of outfan and described singlechip controller (102), the outfan of described singlechip controller (102) with
The input electrical connection of described converter (103), the outfan of described converter (103) and described excitation voltage regulation device
(104) input electrical connection, the outfan of described excitation voltage regulation device (104) is electric with described three-phase bus (107)
Connecting, described combined network communication module (105) is bi-directionally connected with the communication terminal of described singlechip controller (102), described power supply mould
The outfan of block (106) is electrically connected with the power end of described singlechip controller (102).
Novel electric power system stability the most according to claim 1 controls device, it is characterised in that: described excitation voltage regulation
Device (104) including: stator (1041) and rotor (1042), and described rotor (1042) is arranged in described stator (1041), described
Stator (1041) is electrically connected with described three-phase bus (107), described rotor (1042) and the outfan of described converter (103)
Electrical connection.
Novel electric power system stability the most according to claim 2 controls device, it is characterised in that: described power system stability
Control device also to include: alarm device (111), the input of described alarm device (111) and described singlechip controller (102)
Outfan electrical connection, the input of described singlechip controller (102) is also electric with the outfan of speed probe (112)
Connecting, described speed probe (112) is arranged on described rotor (1042).
Novel electric power system stability the most according to claim 1 controls device, it is characterised in that: also include: variable connector
(108), band filter (109) and a/d converter (110), the outfan of described current-voltage transformer (101) passes sequentially through
Described variable connector (108), described band filter (109) and described a/d converter (110) and described singlechip controller
(102) input electrical connection.
Novel electric power system stability the most according to claim 1 controls device, it is characterised in that: also include: transformator
(113), the input of described transformator (113) is electrically connected with the outfan of described singlechip controller (102), described transformation
The outfan of device (113) is electrically connected with described three-phase bus (107).
Novel electric power system stability the most according to claim 1 controls device, it is characterised in that: described combined network communication module
(105) including: Web server (1051), switch (1052) and radio network router (1053), described Web server
(1051), described switch (1052) and described radio network router (1053) are electrically connected successively.
Novel electric power system stability the most according to claim 1 controls device, it is characterised in that: described power module
(106) including: accumulator (1061) and photovoltaic panel (1062), described accumulator (1061) and described photovoltaic panel 1062 electrically connect
Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610593558.4A CN106099954A (en) | 2016-07-26 | 2016-07-26 | Novel electric power system stability controls device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610593558.4A CN106099954A (en) | 2016-07-26 | 2016-07-26 | Novel electric power system stability controls device |
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| Publication Number | Publication Date |
|---|---|
| CN106099954A true CN106099954A (en) | 2016-11-09 |
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ID=57449745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610593558.4A Pending CN106099954A (en) | 2016-07-26 | 2016-07-26 | Novel electric power system stability controls device |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102130644A (en) * | 2011-04-21 | 2011-07-20 | 阳光电源股份有限公司 | Exciting method, device and system of direct-current brushless synchronous wind driven generator |
| CN102340270A (en) * | 2011-08-16 | 2012-02-01 | 沈阳工业大学 | Programmable logic controller (PLC)-and-frequency-converter-based energy saving control system and method for doubly-fed motor |
| CN103560735A (en) * | 2013-09-27 | 2014-02-05 | 南车株洲电力机车研究所有限公司 | Control method for electro-magnetic synchronous motor |
| CN205829182U (en) * | 2016-07-26 | 2016-12-21 | 国家电网公司 | A kind of novel electric power system stability controls device |
-
2016
- 2016-07-26 CN CN201610593558.4A patent/CN106099954A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102130644A (en) * | 2011-04-21 | 2011-07-20 | 阳光电源股份有限公司 | Exciting method, device and system of direct-current brushless synchronous wind driven generator |
| CN102340270A (en) * | 2011-08-16 | 2012-02-01 | 沈阳工业大学 | Programmable logic controller (PLC)-and-frequency-converter-based energy saving control system and method for doubly-fed motor |
| CN103560735A (en) * | 2013-09-27 | 2014-02-05 | 南车株洲电力机车研究所有限公司 | Control method for electro-magnetic synchronous motor |
| CN205829182U (en) * | 2016-07-26 | 2016-12-21 | 国家电网公司 | A kind of novel electric power system stability controls device |
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Application publication date: 20161109 |
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