CN109494751A - A kind of batch load control system multistage locking check method - Google Patents
A kind of batch load control system multistage locking check method Download PDFInfo
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- CN109494751A CN109494751A CN201810707634.9A CN201810707634A CN109494751A CN 109494751 A CN109494751 A CN 109494751A CN 201810707634 A CN201810707634 A CN 201810707634A CN 109494751 A CN109494751 A CN 109494751A
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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
- H02J3/12—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load
- H02J3/14—Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
- Y02B70/3225—Demand response systems, e.g. load shedding, peak shaving
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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
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
- Y04S20/222—Demand response systems, e.g. load shedding, peak shaving
Abstract
The present invention relates to Operation of Electric Systems and technical field of automatic control, and in particular to a kind of batch load control system multistage locking check method, comprising the following steps: A) system locking check is carried out, B is entered step if if checking；B) an area progress area locking in system is checked, enters step C if if checking, conversely, being latched this area, this step is executed to next area in system；C plant stand locking) is carried out to plant stand to check, and D is entered step if if checking, conversely, executing this step to next plant stand in area；D device latchup check) is carried out to equipment, passes through if checking the equipment proof if, conversely, being latched the equipment, this step is executed to next equipment.Substantial effect of the invention is: by the locking check of many levels rank, the safety of batch load control system is promoted, maloperation and malice excision load is avoided, guarantees power network safety operation.
Description
Technical field
The present invention relates to Operation of Electric Systems and technical field of automatic control, and in particular to a kind of batch load control system is more
Grade locking check method.
Background technique
With power grid to automation and the continuous propulsion of intelligent construction and deeply, substations at different levels and regulating and controlling mechanism are automatic
Disguise standby technical level effectively to be promoted, supporting system technology and substation's integrated monitoring system have obtained extensively
Using achieving noticeable achievement, management process is gradually made in order, plays an important role in terms of ensureing electric power netting safe running.However,
National grid formally steps into the new stage using extra-high voltage as backbone network within 2016, and the development of extra-high voltage alternating current-direct current power grid transports power grid
Profound change has occurred in row characteristic, and exchange influences each other with direct current, sending end and receiving end, and especially extra-high voltage large capacity concentrates feed-in
Bring frequency stabilization problem brings significant impact to electric power netting safe running, and monitoring of tools responsibility and safe pressure are growing day by day,
Power grid security has been raised as national security level.The electricity that partial region power grid is inputted by extra-high voltage grid is in supply load
Middle accounting is higher and higher, and scheduling load batch control technology is come into being, which refers in smart grid Dispatching Control System
In preset multiple breakers relevant to load of rationing the power supply, execute in batches drawing-path electricity limiting when accident abnormality, reach
The quickly function of control load limit target.
Lot size scheduling load control system chooses different plant stands, different voltages grade power supply line according to scheduling requirement, passes through one
Key executes, and quickly cuts off several hundred even thousands of on-load switches in a short time.Substantial length of operation can be completed in a few minutes,
Have the advantages that drawing road speed is fast, coverage is small, controls the batch of load more accurate, solve million load of extra-high voltage
The problem of minute grade excision.Batch load control system is the important technique measure of reply power grid catastrophe failure and the state of emergency, and
Ensure one of the important technical of bulk power grid safe and stable operation.Therefore, the control of batch load must should be closed by multistage
Lock could execute after checking.
Chinese patent CN104953593A, publication date on September 30th, 2015, the load batch after a kind of locking of extra-high voltage direct-current
Quickly concurrent cutting method is measured, based on automation system for the power network dispatching, switch is chosen according to selection strategy and filter condition
Sequence is substantially mentioned using more wheel secondary controls and the method for alternate channel control wherein more wheel secondary control time intervals are adjusted flexibly
High batch load excision control success rate, and use single remote control mode that serial and multistation combines parallel of standing quickly to cut off batch and bear
Lotus substantially increases mass-produced remote control efficiency, realizes the grade excision of million load minutes, can when extra-high voltage direct-current is latched failure
The quickly control of load batch is realized under the premise of ensuring safety and accuracy, guarantees the safe and stable operation of power grid.But its
Safety check has only been carried out on to excision equipment, causes load excision safety insufficient.
Chinese patent CN106059075A, publication date on October 26th, 2016, a kind of extra-high voltage direct-current locking is by end load
Accurate lot control system, including monitoring system of electric substation and connect with monitoring system of electric substation by dispatch data net first
Regulate and control main website, the first regulation main website is connect with information delivery server and the second regulation main website respectively by cable；Second adjusts sky
Main website sends load to the first regulation main website and controls the control instruction issued in batches, and the first regulation main website parsing control instruction is to cut
Except instruction processing or the processing of batch control command are cancelled in load processing, batch control, supervisory control of substation system is then controlled
System performs corresponding processing.Emphasis realize extra-high voltage direct-current receiving end is high-power lose after load batch quickly control, can also fit
The urgent drawing-path electricity limiting when electric network fault exception, natural calamity, load is answered quickly to control needs.But it does not provide anti-
The locking system method that accidentally safety interlockings such as excision verify, is lacking on ensureing electric power netting safe running.
Summary of the invention
The technical problem to be solved by the present invention is the technical issues of batch load control system lacks Security Checking at present.It proposes
A kind of batch load control system locking check method that can be avoided maloperation carrying out multistage check.
In order to solve the above technical problems, the technical solution used in the present invention are as follows: a kind of batch load control system multistage locking
Check method, comprising the following steps: A) system locking check is carried out, B is entered step if if checking, conversely, closed line
System terminates this method；B) an area progress area locking in system is checked, enters step C if if checking, instead
It, then be latched this area, executes this step to next area in system；C) plant stand is carried out to a plant stand in area to close
Lock is checked, and is entered step D if if checking, conversely, being latched the plant stand, is executed this step to next plant stand in area
Suddenly；D device latchup check) is carried out to an equipment in plant stand, is passed through if checking the equipment proof if, conversely, locking
The equipment executes this step to next equipment in plant stand；E step C-E) is repeated, until the load curtailment by checking
Reach the load for needing to cut off.
Preferably, the method that the system locking is checked is the following steps are included: A1) in Dispatching monitor and control system, setting
Function always enables switch, and by having total operator for enabling switch operating right to set, audit function always enables switch state
Switch state enters step A2 if function enables switch state always to open, conversely, then locking system and terminating this method；
A2) in Dispatching monitor and control system, independent feature operation permission, inspection are set for each functional steps of batch load control system operation
The operating right whether current operation people there is corresponding function to operate is surveyed, A3 is entered step if having, conversely, being latched the function
Can, and terminate this method；A3) in Dispatching monitor and control system, each functional steps running node power of setting batch load control system
Whether limit, detection running node meet node permission, if satisfied, then system locking is checked and passed through, conversely, then locking system and tying
Beam this method.The judgment method whether with node permission are as follows: whether operating procedures order is correct, if it is not, then without node
Permission, if so, judge whether receiving end power grid occurs reaching the shortage of power of setting value, if so, there is node permission, if
It is no, then without node permission.As limited, the setting value of the shortage of power is suitable with extra-high voltage feed-in power.
Preferably, the method that the area locking is checked is the following steps are included: B1) judge that cutting off for selected area is negative
Whether lotus capacity is greater than the load for needing to cut off, if so, B2 is entered step, if it is not, being then latched this area and terminating we
Method；B2) mains frequency in area is selected in detection, if mains frequency is less than rated value, enters step B3, conversely, then locking should
Area simultaneously terminates this method；B3 area power grid safe condition) is detected, if safe condition is qualified, area locking, which is checked, to be passed through, instead
It, then be latched this area and terminate this method.Preferably, the area power grid safe condition passes through the important metric data in area
Judged, if the important metric data in area is in range of normal value, area power grid safe condition is qualified, conversely, then
Area's power grid security state is unqualified.
Preferably, the method that the plant stand locking is checked is the following steps are included: C1) just whether detection plant stand channel communications
Often, if normal, then C2 is entered step, conversely, being then latched the plant stand and terminating this method；C2 plant stand state) is detected, if at plant stand
In normal operating conditions, then C3 is entered step, conversely, being then latched the plant stand and terminating this method；C3 it) detects to be controlled in plant stand
Whether controllable burden is greater than preset value, if so, plant stand locking is checked and passed through, if it is not, being then latched the plant stand and terminating this method.
Setting up for the preset value is to play the minimum equipment excision power of limitation, and setting preset value appropriate can be avoided too small to power
Large number of equipment carry out excision operation, cause cut off efficiency decline, be delayed the power system restoration time.Preferably, the preset value
Value range be 3 ~ 15 kilowatts.
Preferably, the calculating formula of the preset value are as follows: S=min (3+17.5*WT/W, 15), wherein WT extra-high voltage feed-in
Power, W are power grid total load power, and the extra-high voltage feed-in power WT and power grid total load power W take history average.
If the specific gravity that extra-high voltage feed-in power WT accounts for power grid total load power W is larger, extra high voltage line break down when, caused by electricity
Net power notch is also bigger, and higher preset value is arranged at this time, and the biggish controllable burden of power can be made preferentially to cut off, can
The bulk velocity of network load excision is improved, accelerates to restore the power grid equilibrium of supply and demand.The power grid for receiving extra-high voltage feed-in is usually to use
The big area of electricity, although controllable burden is abundant in area, Bu Huiyin because setting preset value causes always to cut off load reduction
The excision for abandoning part low-power load causes the problem of total resection deficiency.
Preferably, preset value can be set as if the power for the equipment being remotely controlled has already passed through minimum power screening
Zero.
Preferably, the method that the device latchup is checked is the following steps are included: D1) whether detection current device be in point
Lock state, if it is not, D2 is then entered step, if so, being latched the equipment and terminating this method；D2) detection device is listed, if equipment
It is listed to hang maintenance board, ground connection board, protecting in electric board or the sign board attribute hung the requirement for having locked remote control, is then latched this and sets
It is standby and terminate this method, conversely, then entering step D3；D3) locking whether is established between detection device and secondary device protection
Relationship, if establishing in latching relation and secondary device guard mode information, there are at least one status informations to be in movement shape
State is then latched the equipment and terminates this method, if not setting up latching relation or establishing latching relation and secondary device protection
Status information is the status information before movement starts or after the completion of movement, then device latchup check passes through.
Substantial effect of the invention is: by the locking check of many levels rank, promote the peace of batch load control system
Quan Xing avoids maloperation and malice excision load, guarantees power network safety operation.
Detailed description of the invention
Fig. 1 is the flow diagram of the method for the present invention.
Fig. 2 is system checking flow diagram.
Fig. 3 is that flow diagram is checked in area.
Fig. 4 is that plant stand checks flow diagram.
Fig. 5 is equipment proof flow diagram.
Specific embodiment
Below by specific embodiment, and in conjunction with attached drawing, a specific embodiment of the invention is further described in detail.
As shown in Figure 1, being the flow diagram of the method for the present invention, comprising the following steps: A) system locking check is carried out, if school
Core is by then entering step B, conversely, then locking system, terminates this method；B regional locking) is carried out to an area in system
It checks, enters step C if if checking, conversely, being latched this area, this step is executed to next area in system；
C plant stand locking) is carried out to a plant stand in area to check, and enters step D if if checking, conversely, it is latched the plant stand,
This step is executed to next plant stand in area；D device latchup check) is carried out to an equipment in plant stand, if checking logical
It crosses, which passes through, conversely, being latched the equipment, executes this step to next equipment in plant stand；E step) is repeated
C-E, until the load curtailment by checking reaches the load for needing to cut off.
As shown in Fig. 2, being system checking flow diagram, the method that system locking is checked is the following steps are included: A1) it is dispatching
In monitoring system, setting function always enables switch, and switch state is set by the operator that there is total enabling to switch operating right,
Audit function always enables switch state, if function enables switch state always to open, A2 is entered step, conversely, then closed line
It unites and terminates this method；A2 independent for each functional steps setting of batch load control system operation) in Dispatching monitor and control system
Feature operation permission, the operating right whether detection current operation people there is corresponding function to operate, enters step A3, instead if having
It, then be latched the function, and terminate this method；A3) in Dispatching monitor and control system, each function step of setting batch load control system
Whether rapid running node permission, detection running node meet node permission, if satisfied, then system locking check passes through, conversely, then
Locking system simultaneously terminates this method.Whether there is the judgment method of node permission are as follows: whether operating procedures order is correct, if it is not,
Then without node permission, if so, judging whether receiving end power grid occurs reaching the shortage of power of setting value, if so, having node
Permission, if it is not, then without node permission.As limited, the setting value of shortage of power is suitable with extra-high voltage feed-in power.
As shown in figure 3, checking flow diagram for area, the method that area locking is checked is the following steps are included: B1) judgement choosing
Whether the load curtailment capacity in fixed area is greater than the load for needing to cut off, if so, B2 is entered step, if it is not, being then latched
This area simultaneously terminates this method；B2) mains frequency in area is selected in detection, if mains frequency is less than rated value, is entered step
B3, conversely, being then latched this area and terminating this method；B3 area power grid safe condition) is detected, if safe condition is qualified,
Area's locking, which is checked, to be passed through, conversely, being then latched this area and terminating this method.Area power grid safe condition passes through the important measurement in area
Data are judged that, if the important metric data in area is in range of normal value, area power grid safe condition is qualified, conversely,
Then area power grid safe condition is unqualified.
As shown in figure 4, checking flow diagram for plant stand, the method that plant stand locking is checked is the following steps are included: C1) detection factory
Whether channel communications of standing are normal, if normal, then enter step C2, conversely, being then latched the plant stand and terminating this method；C2 it) detects
Plant stand state enters step C3 if plant stand is in normal operating conditions, conversely, being then latched the plant stand and terminating this method；
Whether the controllable burden to be controlled C3) detected in plant stand is greater than preset value, if so, plant stand locking is checked and passed through, if it is not, being then latched
The plant stand simultaneously terminates this method.Setting up for preset value is to play the minimum equipment excision power of limitation, setting preset value energy appropriate
It enough avoids the large number of equipment too small to power from carrying out excision operation, causes to cut off efficiency decline, be delayed the power system restoration time.It is default
The value range of value is 3 ~ 15 kilowatts.If the power for the equipment being remotely controlled has already passed through minimum power screening, can will preset
Value is set as zero.The calculating formula of preset value are as follows: S=min (3+17.5*WT/ W, 15), wherein WTExtra-high voltage feed-in power, W are that power grid is total
Bearing power, extra-high voltage feed-in power WTAnd power grid total load power W takes history average.
As shown in figure 5, being equipment proof flow diagram, the method that device latchup is checked is the following steps are included: D1) it detects and works as
Whether preceding equipment is in gate-dividing state, if it is not, D2 is then entered step, if so, being latched the equipment and terminating this method；D2 it) examines
Measurement equipment is listed, if equipment, which is listed, has locked remote control to hang maintenance board, ground connection board, protecting in electric board or the sign board attribute hung
Requirement, then be latched the equipment and terminate this method, conversely, then entering step D3；D3) detection device and secondary device protect it
Between whether establish latching relation, if establishing in latching relation and secondary device guard mode information, there are at least one states
Information is in action state, then is latched the equipment and terminates this method, if not setting up latching relation or establishing latching relation
And secondary device guard mode information is the status information before movement starts or after the completion of movement, then device latchup is checked logical
It crosses.
Above-mentioned embodiment is only a preferred solution of the present invention, not the present invention is made in any form
Limitation, there are also other variations and modifications on the premise of not exceeding the technical scheme recorded in the claims.
Claims (10)
1. a kind of batch load control system multistage is latched check method, which is characterized in that
The following steps are included:
A it) carries out system locking to check, enters step B if if checking, conversely, locking system, terminates this method；
B) an area progress area locking in system is checked, C is entered step if if checking, conversely, locking should
Area executes this step to next area in system；
C plant stand locking) is carried out to a plant stand in area to check, enters step D if if checking, conversely, locking should
Plant stand executes this step to next plant stand in area；
D device latchup check) is carried out to an equipment in plant stand, is passed through if checking the equipment proof if, conversely, locking
The equipment executes this step to next equipment in plant stand；
E step C-E) is repeated, until the load curtailment by checking reaches the load for needing to cut off.
2. a kind of batch load control system multistage according to claim 1 is latched check method, which is characterized in that
Method that system locking is checked the following steps are included:
A1) in Dispatching monitor and control system, setting function always enables switch, and switch state is by having total enable to switch operating right
Operator's setting, audit function always enable switch state, if function enables switch state always to open, enter step A2,
Conversely, then locking system and terminating this method；
A2) in Dispatching monitor and control system, independent feature operation power is set for each functional steps of batch load control system operation
Limit, the operating right whether detection current operation people there is corresponding function to operate, enters step A3, conversely, being latched if having
The function, and terminate this method；
A3) in Dispatching monitor and control system, each functional steps running node permission of batch load control system, detection operation section are set
Whether point meets node permission, if satisfied, then system locking is checked and passed through, conversely, then locking system and terminating this method.
3. a kind of batch load control system multistage according to claim 1 or 2 is latched check method, which is characterized in that
It is described area locking check method the following steps are included:
B1) whether the load curtailment capacity that area is selected in judgement is greater than the load for needing to cut off, if so, entering step
B2, if it is not, being then latched this area and terminating this method；
B2) mains frequency in area is selected in detection, if mains frequency is less than rated value, enters step B3, conversely, then locking should
Area simultaneously terminates this method；
B3 area power grid safe condition) is detected, if safe condition is qualified, area locking, which is checked, to be passed through, conversely, being then latched the ground
Area simultaneously terminates this method.
4. a kind of batch load control system multistage according to claim 1 or 2 is latched check method, which is characterized in that
Method that plant stand locking is checked the following steps are included:
C1) whether detection plant stand channel communications are normal, if normal, then enter step C2, conversely, being then latched the plant stand and terminating this
Method；
C2) detection plant stand state enters step C3 if plant stand is in normal operating conditions, conversely, being then latched the plant stand and tying
Beam this method；
Whether the controllable burden to be controlled C3) detected in plant stand is greater than preset value, if so, plant stand locking is checked and passed through, if it is not, then
It is latched the plant stand and terminates this method.
5. a kind of batch load control system multistage according to claim 3 is latched check method, which is characterized in that
Method that plant stand locking is checked the following steps are included:
C1) whether detection plant stand channel communications are normal, if normal, then enter step C2, conversely, being then latched the plant stand and terminating this
Method；
C2) detection plant stand state enters step C3 if plant stand is in normal operating conditions, conversely, being then latched the plant stand and tying
Beam this method；
Whether the controllable burden to be controlled C3) detected in plant stand is greater than preset value, if so, plant stand locking is checked and passed through, if it is not, then
It is latched the plant stand and terminates this method.
6. a kind of batch load control system multistage according to claim 4 is latched check method, which is characterized in that
The value range of the preset value is 3 ~ 15 kilowatts.
7. a kind of batch load control system multistage according to claim 6 is latched check method, which is characterized in that
The calculating formula of the preset value are as follows: S=min (3+17.5*WT/ W, 15), wherein WTExtra-high voltage feed-in power, W are that power grid is total
Bearing power, the extra-high voltage feed-in power WTAnd power grid total load power W takes history average.
8. a kind of batch load control system multistage according to claim 1 or 2 is latched check method, which is characterized in that
Method that the device latchup is checked the following steps are included:
D1) whether detection current device is in gate-dividing state, if it is not, D2 is then entered step, if so, being latched the equipment and terminating
This method；
D2) the whether listed locked remote control of detection device, if so, being latched the equipment and terminating this method, if it is not, then entering step
D3；
D3) whether latching relation is established between detection device and secondary device protection, if establishing latching relation and secondary setting
There are at least one status informations to be in action state in standby guard mode information, then is latched the equipment and terminates this method, if
Do not set up latching relation or establish latching relation and secondary device guard mode information be movement start before or acted
Status information after, then device latchup check pass through.
9. a kind of batch load control system multistage according to claim 3 is latched check method, which is characterized in that
Method that the device latchup is checked the following steps are included:
D1) whether detection current device is in gate-dividing state, if it is not, D2 is then entered step, if so, being latched the equipment and terminating
This method；
D2) the whether listed locked remote control of detection device, if so, being latched the equipment and terminating this method, if it is not, then entering step
D3；
D3) whether latching relation is established between detection device and secondary device protection, if establishing latching relation and secondary setting
There are at least one status informations to be in action state in standby guard mode information, then is latched the equipment and terminates this method, if
Do not set up latching relation or establish latching relation and secondary device guard mode information be movement start before or acted
Status information after, then device latchup check pass through.
10. a kind of batch load control system multistage according to claim 4 is latched check method, which is characterized in that
Method that the device latchup is checked the following steps are included:
D1) whether detection current device is in gate-dividing state, if it is not, D2 is then entered step, if so, being latched the equipment and terminating
This method；
D2) the whether listed locked remote control of detection device, if so, being latched the equipment and terminating this method, if it is not, then entering step
D3；
D3) whether latching relation is established between detection device and secondary device protection, if establishing latching relation and secondary setting
There are at least one status informations to be in action state in standby guard mode information, then is latched the equipment and terminates this method, if
Do not set up latching relation or establish latching relation and secondary device guard mode information be movement start before or acted
Status information after, then device latchup check pass through.
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| CN201810707634.9A CN109494751B (en) | 2018-07-02 | 2018-07-02 | Batch load control multistage locking checking method |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103501045A (en) * | 2013-09-03 | 2014-01-08 | 广东电网公司佛山供电局 | Network command issuing method of electric power system dispatching commands |
| CN105576831A (en) * | 2015-12-30 | 2016-05-11 | 北京四方继保自动化股份有限公司 | Automatic verification method for security control of master station and sub station |
| CN106877340A (en) * | 2017-03-09 | 2017-06-20 | 中国电力科学研究院 | A kind of classification low-voltage load sheding method and its system based on part throttle characteristics |
-
2018
- 2018-07-02 CN CN201810707634.9A patent/CN109494751B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103501045A (en) * | 2013-09-03 | 2014-01-08 | 广东电网公司佛山供电局 | Network command issuing method of electric power system dispatching commands |
| CN105576831A (en) * | 2015-12-30 | 2016-05-11 | 北京四方继保自动化股份有限公司 | Automatic verification method for security control of master station and sub station |
| CN106877340A (en) * | 2017-03-09 | 2017-06-20 | 中国电力科学研究院 | A kind of classification low-voltage load sheding method and its system based on part throttle characteristics |
Non-Patent Citations (1)
| Title |
|---|
| 陶佳燕等: "《EMS与机电保护定值校核系统实时数据匹配新方法》", 《电力系统自动化》 * |
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| Publication number | Publication date |
|---|---|
| CN109494751B (en) | 2022-03-22 |
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