CN109217320A - A kind of electric power system control management method - Google Patents

A kind of electric power system control management method Download PDF

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Publication number
CN109217320A
CN109217320A CN201811316528.4A CN201811316528A CN109217320A CN 109217320 A CN109217320 A CN 109217320A CN 201811316528 A CN201811316528 A CN 201811316528A CN 109217320 A CN109217320 A CN 109217320A
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CN
China
Prior art keywords
electric power
electric
voltage
network
unit
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Pending
Application number
CN201811316528.4A
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Chinese (zh)
Inventor
张姚
曹昉
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North China Electric Power University
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North China Electric Power University
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Application filed by North China Electric Power University filed Critical North China Electric Power University
Priority to CN201811316528.4A priority Critical patent/CN109217320A/en
Publication of CN109217320A publication Critical patent/CN109217320A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00Circuit arrangements for ac mains or ac distribution networks
    • H02J3/12Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load

Abstract

The invention discloses a kind of electric power system control management methods, comprising the following steps: the parameters of electric power of A, electric network information acquisition unit acquisition network system, the parameters of electric power of acquisition are sent to central processing unit and are handled;B, central processing unit sends to network optimization unit and instructs, and optimizes to network system electric power data;C, the electric power data after optimization is sent to cloud server by communication unit by central processing unit, and electric power data is transmitted to user terminal by cloud server;D, once detecting electric power data exception, alarm signal is issued by alarm unit immediately, while central processing unit is issued to electric brake control system and instructed, electric brake control system disconnects network system.Operation of the present invention is simple, security performance is high, it can be realized the optimization to electric power data, electric power data still abnormal after optimization is identified, power grid is sounded an alarm and disconnected, additionally voltage sag detect and in time compensated, can effectively inhibit the fluctuation of voltage, while maintenance voltage is stablized, the power output and load configuration of system are optimized.

Description

A kind of electric power system control management method
Technical field
The invention belongs to power control technology field, specially a kind of electric power system control management method.
Background technique
Into after modern society, electric energy is obtained as a kind of economical and eco-friendly energy in the various aspects of social production life To greatly applying.The progress of computer technology, the rapid development of automated control technology and high-power electric and electronic technology Extensive use so that load for power quality sensitivity enhance.These electricity consumptions for being commonly referred to as sensitive load are set Gradually occur for the problem of very sensitive to power quality variation, power quality is not able to satisfy production and living.Power quality does not reach Mark brings serious economic loss, and people is made to start to pay attention to power quality problem.
In the power system, short circuit, the system failure, protective device movement, lightning stroke and impact load starting etc. all can shapes At voltage sag.Voltage sag is the most common electrical problems, it accounts for the 87% of electrical problems.Voltage sag is to quality of voltage Demanding high and new technology and precision equipment influence very serious.Especially to the influence of computer, gently then make interface equipment temporary Stop operation, it is heavy then be lost data, archives damage;Voltage sag can also be such that the component in computer damages simultaneously, shorten calculating The service life of machine.The research for carrying out detection and compensation policy to distribution network voltage recess at present has very much.To voltage sag Detection is the basis compensated, and time, amplitude variation and the phase angle that only timely and accurate detection occurs to recess are inclined It moves, just can be carried out effective compensation.
In addition, the power quality supervisory information system being added in present electric power system data transmission and management is less, it cannot be right Electric system carries out in time and effective monitoring, cannot achieve and optimizes to electric system, causes the efficiency of management low.
Novel power quality and electric energy quality monitoring problem be all along with information technology development, science and technology it is continuous into Step and generate.Because what is occurred is later, the research of people's problem novel to these is at the early-stage, how to define these and asks Topic, how to solve these problems, there are no form unified and effective solution scheme.The present invention is directed to the biography of electric power system data It is defeated to have carried out detailed analysis and research with management, a kind of electric power system control management method is proposed, is realized to electric power number According to optimization, electric power data still abnormal after optimization is identified, disconnection power grid is sounded an alarm.Additionally to voltage sag Detect and in time compensated, can effectively inhibit the fluctuation of voltage, while maintenance voltage is stablized, to being The power output and load configuration of system optimize.
Summary of the invention
The purpose of the present invention is to provide a kind of electric power system control management methods to realize the optimization to electric power data, simultaneously Voltage sag is detected and is compensated and is stablized with maintenance voltage.
To achieve the above object, the invention provides the following technical scheme: a kind of electric power system control management method, including with Lower step:
A, the parameters of electric power of electric network information acquisition unit acquisition network system, the parameters of electric power of acquisition are sent to central processing Device is handled;
B, central processing unit sends to network optimization unit and instructs, and optimizes to network system electric power data;
C, the electric power data after optimization is sent to cloud server, cloud server by communication unit by central processing unit Electric power data is transmitted to user terminal;
D, once detecting electric power data exception, alarm signal, while central processing unit are issued by alarm unit immediately It issues and instructs to electric brake control system, electric brake control system disconnects network system.
Preferably, network optimization unit optimization method is as follows in the step B:
A, electric network information acquisition unit acquires parameters of electric power system, and current sensor, voltage including each collection point pass The electric current of sensor acquisition, voltage, and determine location of fault and fault type;
B, judge whether voltage sag occur, namely judge electric network source whether break down or occur load increase sharply with It is recessed as network voltage;If it is determined that there is voltage sag, then c is entered step, if not occurring voltage sag, into Enter step e;
C, judge whether transformer can carry out on-load voltage regulation;If on-load voltage regulation is feasible, it is transferred to step d;If can not Row, then enter step f;
D, on-load voltage regulation switching is carried out to transformer, voltage is adjusted according to loading demand;
E, judge whether that emergent power is recessed, namely whether the general power for judging that electric system generates can satisfy total answer Miscellaneous demand, if conditions are not met, f is then entered step, if satisfied, then normal output power;
F, voltage stabilization optimization algorithm is executed, according to the voltage stabilization Optimized model and constraint condition of foundation to electric system Electric energy scheduling and load distribution optimize.
Preferably, the communication unit in the step C uses ethernet communication system.
Preferably, electric network information acquisition unit includes voltage sensor and current sensor in the step A.
Compared with prior art, the beneficial effects of the present invention are:
1. operation of the present invention is simple, security performance is high, and user terminal can be realized the real time monitoring to electric power system data, Electric power can be automatically cut off when occurring abnormal, it is ensured that electrical safety.
2. the network optimization unit optimization method that the present invention uses can be realized the optimization to electric power data, can effectively press down The fluctuation of voltage processed optimizes the power output and load configuration of system while maintenance voltage is stablized.
Therefore, a kind of electric power system control management method of the invention, easy to operate, security performance is high, can be realized pair The optimization of electric power data identifies electric power data still abnormal after optimization, sounds an alarm and disconnect power grid.It is additionally right Voltage sag detect and in time compensated, and can effectively inhibit the fluctuation of voltage, stable in maintenance voltage Meanwhile the power output and load configuration of system are optimized.
Detailed description of the invention
Fig. 1 is a kind of system flow chart of electric power system control management method of the present invention;
Fig. 2 is a kind of control principle block diagram of electric power system control management method of the present invention.
Specific embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
The present invention provides a kind of technical solution referring to FIG. 1-2: a kind of electric power system control management method, including following Step:
A, electric network information acquisition unit 1 acquires the parameters of electric power of network system, and the parameters of electric power of acquisition is sent to centre Reason device 2 is handled;
B, central processing unit 2 sends to network optimization unit 3 and instructs, and optimizes to network system electric power data;
C, the electric power data after optimization is sent to cloud server 5, cloud clothes by communication unit 4 by central processing unit 2 Electric power data is transmitted to user terminal 6 by business device 5;
D, once detecting electric power data exception, alarm signal, while central processing unit are issued by alarm unit 7 immediately 2 issue instruction to electric brake control system 8, and electric brake control system 8 disconnects network system.
Wherein, the communication unit in step C uses ethernet communication system;Electric network information acquisition unit includes in step A Voltage sensor and current sensor.
In the present invention, network optimization unit optimization method is as follows in step B:
A, electric network information acquisition unit acquires parameters of electric power system, and current sensor, voltage including each collection point pass The electric current of sensor acquisition, voltage, and determine location of fault and fault type;
B, judge whether voltage sag occur, namely judge electric network source whether break down or occur load increase sharply with It is recessed as network voltage;If it is determined that there is voltage sag, then c is entered step, if not occurring voltage sag, into Enter step e;
C, judge whether transformer can carry out on-load voltage regulation;If on-load voltage regulation is feasible, it is transferred to step d;If can not Row, then enter step f;
D, on-load voltage regulation switching is carried out to transformer, voltage is adjusted according to loading demand;
E, judge whether that emergent power is recessed, namely whether the general power for judging that electric system generates can satisfy total answer Miscellaneous demand, if conditions are not met, f is then entered step, if satisfied, then normal output power;
F, voltage stabilization optimization algorithm is executed, according to the voltage stabilization Optimized model and constraint condition of foundation to electric system Electric energy scheduling and load distribution optimize.
The network optimization unit optimization method that the present invention uses can be realized the optimization to electric power data, can effectively inhibit The fluctuation of voltage optimizes the power output and load configuration of system while maintenance voltage is stablized.
In conclusion operation of the present invention is simple, security performance is high, and user terminal can be realized to the real-time of electric power system data Monitoring can automatically cut off electric power when occurring abnormal, it is ensured that electrical safety.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, institute The those of ordinary skill in category field can still modify to a specific embodiment of the invention referring to above-described embodiment or Equivalent replacement, these are applying for this pending hair without departing from any modification of spirit and scope of the invention or equivalent replacement Within bright claims.

Claims (4)

1. a kind of electric power system control management method, which comprises the following steps:
A, the parameters of electric power of electric network information acquisition unit (1) acquisition network system (9), the parameters of electric power of acquisition are sent to centre Reason device (2) is handled;
B, central processing unit (2) sends to network optimization unit (3) and instructs, and optimizes to network system electric power data;
C, the electric power data after optimization is sent to cloud server (5), cloud by communication unit (4) by central processing unit (2) Electric power data is transmitted to user terminal (6) by server (5);
D, once detecting electric power data exception, alarm signal, while central processing unit are issued by alarm unit (7) immediately (2) it issues and instructs to electric brake control system (8), electric brake control system (8) disconnects network system.
2. a kind of electric power system control management method according to claim 1, which is characterized in that power grid in the step B It is as follows to optimize unit optimization method:
A, electric network information acquisition unit acquires parameters of electric power system, current sensor, voltage sensor including each collection point The electric current of acquisition, voltage, and determine location of fault and fault type;
B, judge whether voltage sag occur, namely judge electric network source whether break down or occur load increase sharply so that Network voltage is recessed;If it is determined that there is voltage sag, then c is entered step, if not occurring voltage sag, enters step Rapid e;
C, judge whether transformer can carry out on-load voltage regulation;If on-load voltage regulation is feasible, it is transferred to step d;If infeasible, Enter step f;
D, on-load voltage regulation switching is carried out to transformer, voltage is adjusted according to loading demand;
E, judge whether that emergent power is recessed, namely judge whether the general power of electric system generation can satisfy total complexity and need It asks, if conditions are not met, f is then entered step, if satisfied, then normal output power;
F, voltage stabilization optimization algorithm is executed, according to the voltage stabilization Optimized model of foundation and constraint condition to electric system electric energy Scheduling and load distribution optimize.
3. a kind of electric power system control management method according to claim 1, which is characterized in that logical in the step C Believe that unit uses ethernet communication system.
4. a kind of electric power system control management method according to claim 1, which is characterized in that power grid in the step A Information acquisition unit includes voltage sensor and current sensor.
CN201811316528.4A 2018-11-07 2018-11-07 A kind of electric power system control management method Pending CN109217320A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811316528.4A CN109217320A (en) 2018-11-07 2018-11-07 A kind of electric power system control management method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811316528.4A CN109217320A (en) 2018-11-07 2018-11-07 A kind of electric power system control management method

Publications (1)

Publication Number Publication Date
CN109217320A true CN109217320A (en) 2019-01-15

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110391662A (en) * 2019-07-05 2019-10-29 Weri有限公司 Electric system load-side regulation device, method and load regulator control system
CN112350313A (en) * 2020-10-29 2021-02-09 国网山东省电力公司临沂供电公司 Low-voltage distribution automatic monitoring and processing system
CN112865312A (en) * 2021-01-15 2021-05-28 广东电网有限责任公司 Power dispatching system and power data processing method

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110391662A (en) * 2019-07-05 2019-10-29 Weri有限公司 Electric system load-side regulation device, method and load regulator control system
CN110391662B (en) * 2019-07-05 2023-03-24 Weri有限公司 Load side regulation and control device and method for power system and load regulation and control system
CN112350313A (en) * 2020-10-29 2021-02-09 国网山东省电力公司临沂供电公司 Low-voltage distribution automatic monitoring and processing system
CN112350313B (en) * 2020-10-29 2023-03-07 国网山东省电力公司临沂供电公司 Low-voltage distribution automatic monitoring and processing system
CN112865312A (en) * 2021-01-15 2021-05-28 广东电网有限责任公司 Power dispatching system and power data processing method

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Application publication date: 20190115