CN107276104A - A kind of sub-synchronous oscillation monitor control system and method - Google Patents
A kind of sub-synchronous oscillation monitor control system and method Download PDFInfo
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- CN107276104A CN107276104A CN201710360749.0A CN201710360749A CN107276104A CN 107276104 A CN107276104 A CN 107276104A CN 201710360749 A CN201710360749 A CN 201710360749A CN 107276104 A CN107276104 A CN 107276104A
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- synchronous oscillation
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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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The present invention discloses a kind of sub-synchronous oscillation monitor control system, include the collection of one or more sub-synchronous oscillation and recording equipment, the detection of one or more sub-synchronous oscillation and control device and a sub-synchronous oscillation analysis and presentation device, sub-synchronous oscillation is analyzed and presentation device is set up and communicated to connect with all sub-synchronous oscillations collection in system and recording equipment and sub-synchronous oscillation detection and control device, carries out information exchange.Such a system can solve the problem of sub-synchronous oscillation recording, detection, control, and crash analysis and panorama are shown, system and generally solve power network sub-synchronous oscillation problem.Invention additionally discloses a kind of sub-synchronous oscillation monitoring and control method.
Description
Technical field
The invention belongs to power system security stability contorting field, more particularly to a kind of monitoring and control of sub-synchronous oscillation
System and method.
Background technology
With new energy the exploitation of extensive concentration and access, and extra-high voltage direct-current system puts into operation, and draws in power network
A large amount of power electronic equipments, such as wind-driven generator inverter, SVC, SVG, direct current transportation and serial compensation capacitance are entered, these are many
Many power electronic equipments can produce frequency not between power network power frequency integer multiple frequency under some unfavorable conditions in power network
Harmonic current and voltage, and then cause neighbouring fired power generating unit to occur sub-synchronous oscillation, badly influence the safety and stability of power network
Operation and the safety of this area's fired power generating unit.The research of the current problem is concentrated mainly in the analysis to m-Acetyl chlorophosphonazo, and method is big
The off-line analysis based on PMU recorder datas after accident mostly, due to PMU can not on-line checking sub-synchronous oscillation generation, its record
Wave number is according to often without specific aim, lookup afterwards is collected difficult；In addition, PMU recordings are discontinuous recording, interval is often tens
The phasor data of millisecond, even second level, it is impossible to the online harmonic wave occurring source for determining sub-synchronous oscillation in real time, can not also be adopted online
Control measure are taken quickly to calm down sub-synchronous oscillation.In the current technology stage, operations staff can not grasp accident occurrence and development
Overall process situation, when sub-synchronous oscillation occurs and occur after be often absorbed in state at a loss what to do, be unfavorable for accident afterwards
The analysis and processing of reason, cause sub-synchronous oscillation frequently to occur, and system operation and equipment are caused to have a strong impact on.
The content of the invention
The purpose of the present invention, is to provide a kind of sub-synchronous oscillation monitor control system and method, it can solve subsynchronous
Vibrate recording, detection, control, and crash analysis and panorama are the problem of show, system and generally solve that power network is subsynchronous to shake
Swing problem.
In order to reach above-mentioned purpose, solution of the invention is：
A kind of sub-synchronous oscillation monitor control system, comprising：
One or more sub-synchronous oscillation is gathered and recording equipment, is acquired and is recorded for the electrical quantity to monitoring point
Storage；
One or more sub-synchronous oscillation is detected and control device, and sub-synchronous oscillation is carried out for the electrical quantity to control point
Detection, and take control measure quickly to calm down vibration according to result；And,
The analysis of one sub-synchronous oscillation and presentation device, when meeting triggering analysis condition, immediately on call together and preserve system
Interior all sub-synchronous oscillation collections and the electrical quantity Wave data of recording equipment, the vibration for calculating all monitoring points of analysis power network are special
Levy, and analysis result is subjected to panorama displaying；
Sub-synchronous oscillation analysis and presentation device gathered with all sub-synchronous oscillations in system and recording equipment and
Sub-synchronous oscillation is detected and control device sets up communication connection, carries out information exchange.
When above-mentioned sub-synchronous oscillation detection and control device send sub-synchronous oscillation alarm or perform control measure, in active
Give this equipment Ben Xin Xi Give sub-synchronous oscillations analysis and presentation device.
Above-mentioned sub-synchronous oscillation analysis and presentation device possess three kinds of triggering analysis conditions：Sub-synchronous oscillation is detected and controlled
The alarm of equipment performs the triggering of control measure information, manually triggering, clocked flip.
The interface of above-mentioned panorama displaying is monitoring backstage or mobile display device.
A kind of sub-synchronous oscillation monitoring and control method, including following content：
A. the collection of one or more sub-synchronous oscillation and recording equipment are to monitoring that the electrical quantity of point is acquired and record is deposited
Storage, and provide institute's stored electricity amount Wave data access and on send function；
B. the detection of one or more sub-synchronous oscillation and control device carry out sub-synchronous oscillation inspection to the electrical quantity at control point
Survey, and according to result take control measure quickly calm down vibration there is provided the access of this facility information and on send function；
C. the analysis of sub-synchronous oscillation and presentation device be when meeting triggering analysis condition, immediately on call together and preserve system
Interior all sub-synchronous oscillation collections and the electrical quantity Wave data of recording equipment, the vibration for calculating all monitoring points of analysis power network are special
Levy, and analysis result is subjected to panorama displaying.
In the above b, sub-synchronous oscillation detection and control device send sub-synchronous oscillation alarm or perform control measure
When, Ben the ground analysis of Xin Xi Give sub-synchronous oscillations and presentation device of this equipment are given in active.
The local information of above-mentioned equipment includes status information, warning information and action message.
In the above c, sub-synchronous oscillation analysis and presentation device possess three kinds of triggering analysis conditions：Sub-synchronous oscillation is examined
Survey the alarm with control device or perform the triggering of control measure information, manually triggering, clocked flip.
, can continuously the collection of high density Large Copacity and the default monitoring point of record power network be each electrically using system of the present invention
The generation of the electrical quantity of equipment, in real time detection power network sub-synchronous oscillation, it is online to differentiate harmonic oscillation source, and take control strategy to enter
The isolation in row harmonic oscillation source, quickly calms down sub-synchronous oscillation, and can provide sub-synchronous oscillation generation, develop and calm down overall process
Waveform and information displaying, it is convenient that the overall of accident is recalled and analyzed, provide lookup cause of accident, proposition for operations staff
The overall technology means and method of corrective measure, greatly improve the safe and stable operation level of power network.
Brief description of the drawings
Fig. 1 is the integrated stand composition of present system；
Fig. 2 is the communication information flow graph of the present invention.
Embodiment
Below with reference to accompanying drawing, technical scheme and beneficial effect are described in detail.
As shown in figure 1, the present invention provides a kind of sub-synchronous oscillation monitor control system, subsynchronous shaken comprising one or more
Swing collection and recording equipment, the detection of one or more sub-synchronous oscillation and control device, a sub-synchronous oscillation analysis and show
Equipment, wherein, sub-synchronous oscillation analysis and presentation device are gathered and recording equipment and secondary with all sub-synchronous oscillations in system
Synchronized oscillation detection and control device set up communication connection, carry out information exchange.
The sub-synchronous oscillation collection and recording equipment enter to the electrical quantity of the one or more electrical equipments of default monitoring point
The collection of row continuous high density Large Copacity and record storage there is provided the access of institute's stored electricity amount Wave data and on send function.
The sub-synchronous oscillation detection and control device enter to the electrical quantity of the one or more electrical equipments of default control point
Row collection, detection and analysis, and take control measure quickly to calm down vibration according to analysis result；The access of this facility information is provided
Above send function；When this equipment detect sub-synchronous oscillation and send sub-synchronous oscillation alarm or by the control strategy pre-established
Ben the ground analysis of Xin Xi Give sub-synchronous oscillations and presentation device of this equipment are given when performing control measure, in active.
The sub-synchronous oscillation analysis and presentation device possess three kinds of triggering analysis conditions：Sub-synchronous oscillation is detected and controlled
The alarm of equipment performs the triggering of control measure information, manually triggering, clocked flip.
After any one triggering analysis condition is met, sub-synchronous oscillation analysis and presentation device are called together on immediately and preserve system
Interior all sub-synchronous oscillation collections and the electrical quantity Wave data of recording equipment, the vibration for calculating all monitoring points of analysis power network are special
Levy, and analysis result is subjected to panorama displaying.The interface of panorama displaying can be monitoring backstage, mobile display device etc..
As shown in Fig. 2 sub-synchronous oscillation detection and control device are in real time to the one or more electrical equipments of default control point
Electrical quantity be acquired, detect and analyze, once this equipment detect sub-synchronous oscillation alarm or perform control measure when, just
Local information (analysis of the) Give such as status information, warning information, action message sub-synchronous oscillations and exhibition of this equipment are given in meeting active
Show equipment.Sub-synchronous oscillation is analyzed and presentation device possesses three kinds of triggering analysis conditions, and any triggering analysis condition is met, just to
Every sub-synchronous oscillation collection and recording equipment, which are sent, in system calls order together, and sub-synchronous oscillation collection and recording equipment are received
Call together after order, just analyze the electrical data Fa send Give sub-synchronous oscillations that this equipment is gathered and is recorded and presentation device.
Summary, a kind of sub-synchronous oscillation monitor control system of the invention and method, system include following equipment：It is secondary same
Step vibration collection and recording equipment；Sub-synchronous oscillation is detected and control device；Sub-synchronous oscillation is analyzed and presentation device.It is subsynchronous
Vibration collection and recording equipment are acquired and record storage to the electrical quantity of monitoring point；Sub-synchronous oscillation is detected and control device
Electrical quantity to control point carries out sub-synchronous oscillation detection, and takes control measure quickly to calm down vibration according to testing result；It is secondary
Called together in synchronized oscillation analysis and presentation device and collect all monitoring point sub-synchronous oscillation collections and recording equipment, all control points
Sub-synchronous oscillation detect and control device information, calculate the oscillation characteristicses of all monitoring points of analysis power network, and by analysis result
Carry out panorama displaying.Using the method for the invention, with the generation of sub-synchronous oscillation in real-time monitoring system control can be taken to arrange
Apply and quickly isolate oscillation source, calm down the sub-synchronous oscillation of system, it is ensured that system safe and reliable operation, while can show subsynchronous
The whole process occur, develop, calming down is vibrated, is easy to accident to recall and analyze.
The technological thought of above example only to illustrate the invention, it is impossible to which protection scope of the present invention is limited with this, it is every
According to technological thought proposed by the present invention, any change done on the basis of technical scheme each falls within the scope of the present invention
Within.
Claims (8)
1. a kind of sub-synchronous oscillation monitor control system, it is characterised in that include：
One or more sub-synchronous oscillation is gathered and recording equipment, is acquired for the electrical quantity to monitoring point and record is deposited
Storage；
One or more sub-synchronous oscillation is detected and control device, and sub-synchronous oscillation inspection is carried out for the electrical quantity to control point
Survey, and take control measure quickly to calm down vibration according to result；And,
The analysis of one sub-synchronous oscillation and presentation device, when meeting triggering analysis condition, immediately on call together and preserve institute in system
There is the electrical quantity Wave data of sub-synchronous oscillation collection and recording equipment, calculate the oscillation characteristicses of all monitoring points of analysis power network,
And analysis result is subjected to panorama displaying；
Sub-synchronous oscillation analysis and presentation device and all sub-synchronous oscillations collection in system and recording equipment and it is secondary together
Walk oscillation test and control device sets up communication connection, carry out information exchange.
2. a kind of sub-synchronous oscillation monitor control system as claimed in claim 1, it is characterised in that：The sub-synchronous oscillation inspection
Survey and when control device sends sub-synchronous oscillation alarm or performs control measure, give in active this equipment Ben Xin Xi Give time together
Walk analysis of the oscillation and presentation device.
3. a kind of sub-synchronous oscillation monitor control system as claimed in claim 1, it is characterised in that：The sub-synchronous oscillation point
Analysis and presentation device possess three kinds of triggering analysis conditions：Sub-synchronous oscillation detects the alarm or execution control measure with control device
Information triggering, manually triggering, clocked flip.
4. a kind of sub-synchronous oscillation monitor control system as claimed in claim 3, it is characterised in that：The boundary of the panorama displaying
Face is monitoring backstage or mobile display device.
5. a kind of sub-synchronous oscillation monitoring and control method, it is characterised in that including following content：
A. the collection of one or more sub-synchronous oscillation and recording equipment are acquired and record storage to the electrical quantity of monitoring point, and
There is provided institute stored electricity amount Wave data access and on send function；
B. the detection of one or more sub-synchronous oscillation and control device carry out sub-synchronous oscillation detection to the electrical quantity at control point, and
According to result take control measure quickly calm down vibration there is provided the access of this facility information and on send function；
C. the analysis of sub-synchronous oscillation and presentation device be when meeting triggering analysis condition, immediately on call together and preserve institute in system
There is the electrical quantity Wave data of sub-synchronous oscillation collection and recording equipment, calculate the oscillation characteristicses of all monitoring points of analysis power network,
And analysis result is subjected to panorama displaying.
6. a kind of method based on sub-synchronous oscillation monitor control system as claimed in claim 5, it is characterised in that：In described
Hold in b, when sub-synchronous oscillation detection and control device send sub-synchronous oscillation alarm or perform control measure, send and originally set in active
Standby Ben Xin Xi Give sub-synchronous oscillations analysis and presentation device.
7. a kind of sub-synchronous oscillation monitoring and control method as claimed in claim 6, it is characterised in that：The local letter of the equipment
Breath includes status information, warning information and action message.
8. a kind of sub-synchronous oscillation monitoring and control method as claimed in claim 5, it is characterised in that：It is secondary same in the content c
Step analysis of the oscillation and presentation device possess three kinds of triggering analysis conditions：Sub-synchronous oscillation detects the alarm or execution with control device
The triggering of control measure information, manually triggering, clocked flip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710360749.0A CN107276104A (en) | 2017-05-19 | 2017-05-19 | A kind of sub-synchronous oscillation monitor control system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710360749.0A CN107276104A (en) | 2017-05-19 | 2017-05-19 | A kind of sub-synchronous oscillation monitor control system and method |
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| CN107276104A true CN107276104A (en) | 2017-10-20 |
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| CN201710360749.0A Withdrawn CN107276104A (en) | 2017-05-19 | 2017-05-19 | A kind of sub-synchronous oscillation monitor control system and method |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593831A (en) * | 2012-03-14 | 2012-07-18 | 东北电网有限公司 | Implementation method for on-line detection system of subsynchronous oscillation events of electric power system |
| CN105652087A (en) * | 2016-01-11 | 2016-06-08 | 南京南瑞继保电气有限公司 | Synchronous phase measurement device having inter-harmonics analyzing and continuous sampling value wave recording function |
| CN106199183A (en) * | 2016-08-16 | 2016-12-07 | 国电南瑞科技股份有限公司 | A kind of PMU realizing sub-synchronous oscillation on-line identification alarm and method |
-
2017
- 2017-05-19 CN CN201710360749.0A patent/CN107276104A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102593831A (en) * | 2012-03-14 | 2012-07-18 | 东北电网有限公司 | Implementation method for on-line detection system of subsynchronous oscillation events of electric power system |
| CN105652087A (en) * | 2016-01-11 | 2016-06-08 | 南京南瑞继保电气有限公司 | Synchronous phase measurement device having inter-harmonics analyzing and continuous sampling value wave recording function |
| CN106199183A (en) * | 2016-08-16 | 2016-12-07 | 国电南瑞科技股份有限公司 | A kind of PMU realizing sub-synchronous oscillation on-line identification alarm and method |
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Application publication date: 20171020 |