CN202121383U - Automatic voltage control system of regional electrical network - Google Patents
Automatic voltage control system of regional electrical network Download PDFInfo
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- CN202121383U CN202121383U CN 201120233154 CN201120233154U CN202121383U CN 202121383 U CN202121383 U CN 202121383U CN 201120233154 CN201120233154 CN 201120233154 CN 201120233154 U CN201120233154 U CN 201120233154U CN 202121383 U CN202121383 U CN 202121383U
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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
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- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/40—Display of information, e.g. of data or controls
Abstract
The utility model provides an automatic voltage control system of a regional electrical network. The automatic voltage control system includes at least two tele-control devices, a supervisory control and data acquisition (SCADA) server and an automatic voltage control (AVC) device. The tele-control device arranged on a transformer end acquires the state data of the transformer, and transmits the acquired state data to the SCADA server via a network; and then a remote control order from the SCADA server is transmitted to a device used to control and operate the transformer; the SCADA server acquires the state data of the transformers via the network, and transmits the state data to the AVC device; after receiving a control order from the AVC device, the remote control order is transmitted to the tele-control device arranged on the transformer end pointed by the control order via the network; the AVC device monitors the state data of the transformers, and generates the control order to an abnormal transformer based on a preset control strategy, and transmits the control order to the SCADA server.
Description
[technical field]
The utility model relates to control technique in power system, particularly a kind of regional power grid automatic voltage control system.
[background technology]
In recent years,, the voltage control of regional power grid has been proposed higher demand, particularly safeguarded electricity net safety stable, guaranteed quality of voltage and reduce net damage aspect along with the fast development of dispatch automated system and being gradually improved of transformer station's infrastructure reliability.At present, lean on the operations staffs of control centre to carry out manual adjustments according to the electric network state parameter that collects to the voltage control of regional power grid is most, workload is big, and the low and fail safe of efficient can not get guarantee with promptness.
[utility model content]
In view of this, the utility model provides a kind of regional power grid automatic voltage control system, so that realize the automatism voltage control of regional power grid, improves control efficiency, and can guarantee safety and promptness.
Concrete technical scheme is following:
A kind of regional power grid automatic voltage control system, this system comprises more than one telemechanical apparatus, also comprises data acquisition and monitoring SCADA server and automatism voltage control AVC device;
Said telemechanical apparatus is arranged on transformer station's end, is used to gather the status data of said transformer station, and the status data that collects is sent to said SCADA server through network; After receiving the remote control command of said SCADA server transmission, this remote control command is sent to the device that transformer station is carried out control operation;
Said SCADA server is used for the status data through each transformer station of network collection, and the status data of each transformer station that collects is sent to said AVC device; After receiving the control command of said AVC device, send remote control command to the telemechanical apparatus that is provided with at transformer station's end that said control command was directed against through said network;
Said AVC device is used for the status data of each transformer station is kept watch on, and according to preset control strategy, generates control command to the transformer station that abnormal state occurs, and this control command is sent to said SCADA server.
Wherein, said SCADA server is used for also confirming whether each transformer station abnormal state occurs, and the situation that abnormal state will occur sends to said AVC device; Perhaps,
Said AVC device is used for also confirming whether each transformer station abnormal state occurs;
Particularly, saidly confirm whether each transformer station abnormal state occurs and be:
If confirm in the status data of transformer station that the 500kV busbar voltage is higher than the first preset upper voltage limit and the 220kV busbar voltage is higher than the second preset upper voltage limit, confirm that then abnormal state appears in this transformer station; Perhaps,
If confirm in the status data of transformer station that the 500kV busbar voltage is lower than the first preset lower voltage limit and the 220kV busbar voltage is lower than the second preset lower voltage limit, confirm that then abnormal state appears in this transformer station; Perhaps,
The 220kV busbar voltage is higher than the second preset upper voltage limit if confirm in the status data of transformer station that the 500kV busbar voltage is qualified, confirms that then abnormal state appears in this transformer station; Perhaps,
The 220kV busbar voltage is lower than the second preset lower voltage limit if confirm in the status data of transformer station that the 500kV busbar voltage is qualified, confirms that then abnormal state appears in this transformer station; Perhaps,
The 220kV busbar voltage is lower than the second preset lower voltage limit if confirm in the status data of transformer station that the 500kV busbar voltage is higher than the first preset upper voltage limit, confirms that then abnormal state appears in this transformer station; Perhaps,
The 220kV busbar voltage is higher than the second preset upper voltage limit if confirm in the status data of transformer station that the 500kV busbar voltage is lower than the first preset lower voltage limit, confirms that then abnormal state appears in this transformer station; Perhaps,
The 220kV busbar voltage is qualified if confirm in the status data of transformer station that the 500kV busbar voltage is higher than the first preset upper voltage limit, confirms that then abnormal state appears in this transformer station; Perhaps,
The 220kV busbar voltage is qualified if confirm in the status data of transformer station that the 500kV busbar voltage is lower than the first preset lower voltage limit, confirms that then abnormal state appears in this transformer station; Perhaps,
If certain busbar voltage does not change in the status data of definite transformer station, confirm that then abnormal state appears in this transformer station; Perhaps,
If confirm the status data indication capacitor or the reactor tripping operation of transformer station, confirm that then abnormal state appears in this transformer station;
Wherein, said first upper voltage limit is greater than said first lower voltage limit, and said second upper voltage limit is greater than said second lower voltage limit, and said first upper voltage limit is greater than said second upper voltage limit, and said first lower voltage limit is greater than said second lower voltage limit.
To above-mentioned abnormal state; If confirm in the status data of transformer station that the 500kV busbar voltage is higher than the first preset upper voltage limit and the 220kV busbar voltage is higher than the second preset upper voltage limit, the control command that then said AVC device generates is for cutting capacitor and throwing reactor to this transformer station; Perhaps,
If confirm in the status data of transformer station that the 500kV busbar voltage is lower than the first preset lower voltage limit and the 220kV busbar voltage is lower than the second preset lower voltage limit, the control command that then said AVC device generates is thrown capacitor for cut reactor to this transformer station; Perhaps,
The 220kV busbar voltage is higher than the second preset upper voltage limit if confirm in the status data of transformer station that the 500kV busbar voltage is qualified, and the control command that then said AVC device generates is for cutting capacitor and throw reactor guaranteeing to this transformer station on the qualified basis of 500kV busbar voltage; Perhaps,
The 220kV busbar voltage is lower than the second preset lower voltage limit if confirm in the status data of transformer station that the 500kV busbar voltage is qualified, and the control command that then said AVC device generates is for guaranteeing that to this transformer station cutting reactor on the qualified basis of 500kV busbar voltage throws capacitor; Perhaps,
The 220kV busbar voltage is lower than the second preset lower voltage limit if confirm in the status data of transformer station that the 500kV busbar voltage is higher than the first preset upper voltage limit, and the control command that then said AVC device generates is for cutting capacitor and throwing reactor to this transformer station; Perhaps,
The 220kV busbar voltage is higher than the second preset upper voltage limit if confirm in the status data of transformer station that the 500kV busbar voltage is lower than the first preset lower voltage limit, and the control command that then said AVC device generates is thrown capacitor for cut reactor to this transformer station; Perhaps,
The 220kV busbar voltage is qualified if confirm in the status data of transformer station that the 500kV busbar voltage is higher than the first preset upper voltage limit, and the control command that then said AVC device generates is for cutting capacitor and throwing reactor to this transformer station; Perhaps,
The 220kV busbar voltage is qualified if confirm in the status data of transformer station that the 500kV busbar voltage is lower than the first preset lower voltage limit, and the control command that then said AVC device generates is thrown capacitor for cut reactor to this transformer station; Perhaps,
If certain busbar voltage does not change in the status data of definite transformer station, the bus of the control command that then said AVC device generates for not changing to this transformer station's blocking voltage; Perhaps,
If confirm the status data indication capacitor or the reactor tripping operation of transformer station, the control command that then said AVC device generates is capacitor or reactor to this transformer station's locking tripping operation.
Preferably; If said AVC device confirms whether each transformer station abnormal state occurs; This system also comprises: the AVC client is used for first upper voltage limit, first lower voltage limit, second upper voltage limit and second lower voltage limit that the user is provided with are sent to said AVC device.
Further, said SCADA server also is used for alarming to the transformer station that abnormal state occurs, and the transformer station of perhaps replying to remote control command is alarmed;
The said device that transformer station is carried out control operation is replied to said SCADA server via said telemechanical apparatus after carrying out said control operation.
Perhaps, said AVC device also is used for alarming to the transformer station that abnormal state occurs, and the transformer station of perhaps replying to remote control command is alarmed;
The said device that transformer station is carried out control operation is replied to said AVC device via said telemechanical apparatus and said SCADA server after carrying out said control operation.
Preferably, said telemechanical apparatus, SCADA server or said AVC device adopt active and standby active/standby devices configuration, so that when host apparatus breaks down, in time switch to stand-by equipment.
Particularly, the said device that transformer station is carried out control operation is: the logging-controlling apparatus used in situ that is arranged on each control point in the transformer station;
Said logging-controlling apparatus used in situ also is used to gather the status data of control point, place and send to said telemechanical apparatus;
Said telemechanical apparatus gathers the status data of each control point in the transformer station.
Further, this system also comprises:
Be arranged on first protocol converter between said telemechanical apparatus and the said network; Be used for the status data that said telemechanical apparatus sends is converted to the agreement of said network support, will convert the agreement that said telemechanical apparatus is supported to from the remote control command of said network;
Be arranged on second protocol converter between said SCADA server and the said network; Be used for to convert the agreement that said SCADA server is supported to from the status data of said network, the remote control command of said SCADA server transmission converted to the agreement of said network support.
Can find out by above technical scheme; The system that the utility model provides can realize the automatism voltage control of regional power grid, need not the operations staff and carries out manual adjustments according to the electric network state parameter that collects, and has saved workload; Improved control efficiency, can guarantee safety and promptness.
[description of drawings]
The system configuration sketch map that Fig. 1 provides for the utility model;
The instance graph that the system that Fig. 2 provides for the utility model lays in network.
[embodiment]
For the purpose, technical scheme and the advantage that make the utility model is clearer, the utility model is described in detail below in conjunction with accompanying drawing and specific embodiment.
The system configuration sketch map that Fig. 1 provides for the utility model; As shown in Figure 1, this system can comprise: more than one telemechanical apparatus 101 (among Fig. 1 be example with), data acquisition and monitoring (SCADA) server 102 and automatism voltage control (AVC) device 103.
Wherein, telemechanical apparatus 101 is separately positioned on each transformer station's end, gathers the status data of its place transformer station, and this status data can include but not limited to: busbar voltage, capacitor state or reactor state; Then the status data that collects is sent to SCADA server 102 through network.
Status data arrives via network in the process of SCADA server 102, can be successively through being arranged on first protocol converter 104 and second protocol converter 105 at network two ends.
Wherein, first protocol converter 104 is arranged between telemechanical apparatus 101 and the network, is used for the status data that telemechanical apparatus 101 sends is converted to the agreement of network support.
Also may exist during this time such as other network communication equipments such as router, the preposition communication servers and carry out the network data exchange, in this explanation no longer one by one.
SCADA server 102 is through the status data of each transformer station of network collection, and the status data of each transformer station that collects is sent to AVC device 103.
102 pairs of telemechanical apparatus 101 that are provided with at each transformer station's end of SCADA server carry out unified data and collect; Carry out again sending to AVC device 103 after the data processing; The data processing of wherein carrying out can include but not limited to: status data is carried out the range conversion, to convert unified range into to make things convenient for the monitoring of AVC device 103; Perhaps, status data is carried out Filtering Processing, filter out interfering data or bad data; Perhaps, status data is stored,, so just can be found the historical record of each transformer station's status data at any time, transfer at any time with conveniently follow-up so the status data that soon collects is all stored.
The status data of 103 pairs of each transformer stations of AVC device is kept watch on, and according to preset control strategy, generates control command to the transformer station that abnormal state occurs, and this control command is sent it back SCADA server 102.
Need to prove,, therefore, can realize by SCADA server 102, also can realize by AVC device 103 for the identification of abnormal state because SCADA server 102 itself possesses the function of data monitoring.
If realized by SCADA server 102, then SCADA server 102 identifies certain transformer station and abnormal state occurs, then can the situation that abnormal state appears in this transformer station be sent to AVC device 103, supplies it to generate control corresponding instruction.
If realized by AVC device 103, then AVC device 103 identifies certain transformer station and abnormal state occurs, then directly generates the control corresponding instruction.
Need to prove that the system that the utility model provides is mainly used in 500kV electrical network Regional Control Center, present electrical network possibly administered 220kV voltage and 500kV voltage, therefore in transformer station, possibly have 220kV voltage and 500kV voltage.Preset control strategy is up to target with rate of qualified voltage, guarantees that preferentially 500kV voltage is qualified.The controlled target of voltage is to satisfy the constraint of limit value, if promptly the 500kV busbar voltage is between preset first upper voltage limit and first lower voltage limit, the 220kV busbar voltage is between preset second upper voltage limit and second lower voltage limit, and it is qualified then to think.If defective, can adjust through the controllable device of regulating in the transformer station, wherein the controllable device in the transformer station can comprise: capacitor and reactor.
Basic control strategy is: busbar voltage is higher than upper voltage limit, then cuts capacitor and throws reactor; Busbar voltage is lower than lower voltage limit, then cuts reactor and throws capacitor; And; When controlling, qualified with the 500kV busbar voltage is main, takes into account the 220kV busbar voltage as far as possible; The 220kV busbar voltage is defective if the 500kV busbar voltage is qualified, then guarantees on the qualified basis of 500kV busbar voltage the 220kV busbar voltage to be adjusted; If 500kV busbar voltage and 220kV busbar voltage are all defective, guarantee preferentially that then the 500kV busbar voltage is qualified.
Specifically can show as following several kinds of situation:
1) if confirms in the status data of transformer station that the 500kV busbar voltage is higher than the first preset upper voltage limit and the 220kV busbar voltage is higher than the second preset upper voltage limit; Then confirm this transformer station's abnormal state, the control command that AVC device 103 generates is for cutting capacitor and throwing reactor to this transformer station.
2) if confirm in the status data of transformer station that the 500kV busbar voltage is lower than the first preset lower voltage limit and the 220kV busbar voltage is lower than the second preset lower voltage limit; Then confirm this transformer station's abnormal state, the control command that AVC device 103 generates is thrown capacitor for cut reactor to this transformer station.
3) the 220kV busbar voltage is higher than the second preset upper voltage limit if confirm in the status data of transformer station that the 500kV busbar voltage is qualified; Then confirm this transformer station's abnormal state, the control command that AVC device 103 generates is for cutting capacitor and throw reactor on the qualified basis of assurance 500kV busbar voltage to this transformer station.
4) the 220kV busbar voltage is lower than the second preset lower voltage limit if confirm in the status data of transformer station that the 500kV busbar voltage is qualified; Then confirm this transformer station's abnormal state, the control command that AVC device 103 generates is for guaranteeing that to this transformer station cutting reactor on the qualified basis of 500kV busbar voltage throws capacitor.
5) the 220kV busbar voltage is lower than the second preset lower voltage limit if confirm in the status data of transformer station that the 500kV busbar voltage is higher than the first preset upper voltage limit; Then confirm this transformer station's abnormal state, the control command that AVC device 103 generates is for cutting capacitor and throwing reactor to this transformer station.
6) the 220kV busbar voltage is higher than the second preset upper voltage limit if confirm in the status data of transformer station that the 500kV busbar voltage is lower than the first preset lower voltage limit; Then confirm this transformer station's abnormal state, the control command that AVC device 103 generates is thrown capacitor for cut reactor to this transformer station.
7) the 220kV busbar voltage is qualified if confirm in the status data of transformer station that the 500kV busbar voltage is higher than the first preset upper voltage limit; Then confirm this transformer station's abnormal state, the control command that AVC device 103 generates is for cutting capacitor and throwing reactor to this transformer station.
8) the 220kV busbar voltage is qualified if confirm in the status data of transformer station that the 500kV busbar voltage is lower than the first preset lower voltage limit; Then confirm this transformer station's abnormal state, the control command that AVC device 103 generates is thrown capacitor for cut reactor to this transformer station.
9) if certain busbar voltage does not change in the status data of definite transformer station, then confirm this transformer station's abnormal state, the bus of control command that AVC device 103 generates for not changing to this transformer station's blocking voltage.
10) if confirm the status data indication capacitor or the reactor tripping operation of transformer station, then confirm this transformer station's abnormal state, the control command that AVC device 103 generates is capacitor or reactor to this transformer station's locking tripping operation.
Wherein, The first above-mentioned upper voltage limit is greater than first lower voltage limit, and occurrence can be set according to the actual requirements, and the acceptability limit that for example can set the 500kV busbar voltage is 530 ± 3kV; Then can preset first upper voltage limit is 533kV, and first lower voltage limit is 527kV.Second upper voltage limit is greater than second lower voltage limit, and first upper voltage limit is greater than second upper voltage limit, and first lower voltage limit is greater than second lower voltage limit.Equally, occurrence can be set according to the actual requirements, and the acceptability limit that for example can set the 220kV busbar voltage is 240 ± 3kV, and then can preset second upper voltage limit is 243kV, and second lower voltage limit is 237kV.
Each above-mentioned upper voltage limit can preestablish in SCADA server 102 or AVC device 103; If confirm whether transformer station abnormal state occurs and realized by AVC device 103; Then also can be configured through 106 pairs of each upper voltage limit of AVC client; Be that the user can be provided with above-mentioned first upper voltage limit, first lower voltage limit, second upper voltage limit and second lower voltage limit through AVC client 106, AVC client 106 sends to AVC device 103 with first upper voltage limit, first lower voltage limit, second upper voltage limit and second lower voltage limit that the user is provided with.This AVC client 106 can be arranged in the work station arbitrary in the network, for example operations staff's work station, form work station, maintenance work station etc.
After generating control command, AVC device 103 sends to SCADA server 102; Generate corresponding remote control command by SCADA server 102 according to this control command, this remote control command is sent to the telemechanical apparatus 101 of the transformer station's end setting that is directed against in control command through network.
Through network the time, second protocol converter 105 can convert the remote control command that SCADA server 102 sends to the agreement of network support equally, and first protocol converter 104 remote control command of automatic network in the future converts the agreement that telemechanical apparatus 101 is supported to.
Logging-controlling apparatus used in situ 107 among Fig. 1 is provided with each control point in the transformer station; Usually in transformer station, there are a plurality of control points; For example be directed against every bus or each capacitor, reactor etc. logging-controlling apparatus used in situ is set, such telemechanical apparatus 101 just maybe corresponding a plurality of logging-controlling apparatus used in situ 107.Logging-controlling apparatus used in situ 107 is also gathered the status data of control point, place and is sent to telemechanical apparatus 101 except carrying out the control operation (this control operation comprises: to the switching of capacitor and reactor) transformer station according to remote control command.That is to say that telemechanical apparatus 101 receives the status data of each logging-controlling apparatus used in situ 107 in the transformer station and gathers, thereby realize status data collection transformer station.
Except above-mentioned each transformer station is carried out can also alarming to abnormal state status monitoring controls with the transformer station that abnormal state occurs, the transformer station of perhaps replying to remote control command is alarmed.The function of this alarm can be realized also can being realized by AVC device 103 by SCADA server 102.
If the function of alarm realizes that by SCADA server 102 then the logging-controlling apparatus used in situ among Fig. 1 107 is replied to SCADA server 102 via telemechanical apparatus 101 after according to remote control command transformer station being carried out control operation.If SCADA server 102 is received this answer (be generally and in setting-up time, receive answer), then confirm the remote control success, if do not receive answer (be generally and in setting-up time, do not receive answer), then confirm the remote control failure, can alarm.
If the function of alarm is realized that by AVC device 103 then the logging-controlling apparatus used in situ among Fig. 1 107 is replied to AVC device 103 via telemechanical apparatus 101 and SCADA server 102 after according to remote control command transformer station being carried out control operation.If AVC device 103 is received answer (be generally and in setting-up time, receive answer), then confirm to control successfully, if do not receive answer (be generally and in setting-up time, do not receive answer), then confirm the control failure, can alarm.
When said system is specifically laid in network; For fail safe and the reliability that improves system; Can be to each device in the said system; For example telemechanical apparatus, SCADA server, AVC device etc. all are arranged to active and standby active/standby devices configuration, thereby can when host apparatus breaks down, in time switch to stand-by equipment.Give a concrete instance, as shown in Figure 2.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; All within the spirit and principle of the utility model, any modification of being made, be equal to replacement, improvement etc., all should be included within the scope of the utility model protection.
Claims (9)
1. a regional power grid automatic voltage control system is characterized in that, this system comprises more than one telemechanical apparatus, also comprises data acquisition and monitoring SCADA server and automatism voltage control AVC device;
Said telemechanical apparatus is arranged on transformer station's end, is used to gather the status data of said transformer station, and the status data that collects is sent to said SCADA server through network; After receiving the remote control command of said SCADA server transmission, this remote control command is sent to the device that transformer station is carried out control operation;
Said SCADA server is used for the status data through each transformer station of network collection, and the status data of each transformer station that collects is sent to said AVC device; After receiving the control command of said AVC device, send remote control command to the telemechanical apparatus that is provided with at transformer station's end that said control command was directed against through said network;
Said AVC device is used for the status data of each transformer station is kept watch on, and according to preset control strategy, generates control command to the transformer station that abnormal state occurs, and this control command is sent to said SCADA server.
2. system according to claim 1 is characterized in that, said SCADA server is used for also confirming whether each transformer station abnormal state occurs, and the situation that abnormal state will occur sends to said AVC device; Perhaps,
Said AVC device is used for also confirming whether each transformer station abnormal state occurs;
Wherein, saidly confirm whether each transformer station abnormal state occurs and be specially:
If confirm in the status data of transformer station that the 500kV busbar voltage is higher than the first preset upper voltage limit and the 220kV busbar voltage is higher than the second preset upper voltage limit, confirm that then abnormal state appears in this transformer station; Perhaps,
If confirm in the status data of transformer station that the 500kV busbar voltage is lower than the first preset lower voltage limit and the 220kV busbar voltage is lower than the second preset lower voltage limit, confirm that then abnormal state appears in this transformer station; Perhaps,
The 220kV busbar voltage is higher than the second preset upper voltage limit if confirm in the status data of transformer station that the 500kV busbar voltage is qualified, confirms that then abnormal state appears in this transformer station; Perhaps,
The 220kV busbar voltage is lower than the second preset lower voltage limit if confirm in the status data of transformer station that the 500kV busbar voltage is qualified, confirms that then abnormal state appears in this transformer station; Perhaps,
The 220kV busbar voltage is lower than the second preset lower voltage limit if confirm in the status data of transformer station that the 500kV busbar voltage is higher than the first preset upper voltage limit, confirms that then abnormal state appears in this transformer station; Perhaps,
The 220kV busbar voltage is higher than the second preset upper voltage limit if confirm in the status data of transformer station that the 500kV busbar voltage is lower than the first preset lower voltage limit, confirms that then abnormal state appears in this transformer station; Perhaps,
The 220kV busbar voltage is qualified if confirm in the status data of transformer station that the 500kV busbar voltage is higher than the first preset upper voltage limit, confirms that then abnormal state appears in this transformer station; Perhaps,
The 220kV busbar voltage is qualified if confirm in the status data of transformer station that the 500kV busbar voltage is lower than the first preset lower voltage limit, confirms that then abnormal state appears in this transformer station; Perhaps,
If certain busbar voltage does not change in the status data of definite transformer station, confirm that then abnormal state appears in this transformer station; Perhaps,
If confirm the status data indication capacitor or the reactor tripping operation of transformer station, confirm that then abnormal state appears in this transformer station;
Wherein, said first upper voltage limit is greater than said first lower voltage limit, and said second upper voltage limit is greater than said second lower voltage limit, and said first upper voltage limit is greater than said second upper voltage limit, and said first lower voltage limit is greater than said second lower voltage limit.
3. system according to claim 2; It is characterized in that; If confirm in the status data of transformer station that the 500kV busbar voltage is higher than the first preset upper voltage limit and the 220kV busbar voltage is higher than the second preset upper voltage limit, the control command that then said AVC device generates is for cutting capacitor and throwing reactor to this transformer station; Perhaps,
If confirm in the status data of transformer station that the 500kV busbar voltage is lower than the first preset lower voltage limit and the 220kV busbar voltage is lower than the second preset lower voltage limit, the control command that then said AVC device generates is thrown capacitor for cut reactor to this transformer station; Perhaps,
The 220kV busbar voltage is higher than the second preset upper voltage limit if confirm in the status data of transformer station that the 500kV busbar voltage is qualified, and the control command that then said AVC device generates is for cutting capacitor and throw reactor guaranteeing to this transformer station on the qualified basis of 500kV busbar voltage; Perhaps,
The 220kV busbar voltage is lower than the second preset lower voltage limit if confirm in the status data of transformer station that the 500kV busbar voltage is qualified, and the control command that then said AVC device generates is for guaranteeing that to this transformer station cutting reactor on the qualified basis of 500kV busbar voltage throws capacitor; Perhaps,
The 220kV busbar voltage is lower than the second preset lower voltage limit if confirm in the status data of transformer station that the 500kV busbar voltage is higher than the first preset upper voltage limit, and the control command that then said AVC device generates is for cutting capacitor and throwing reactor to this transformer station; Perhaps,
The 220kV busbar voltage is higher than the second preset upper voltage limit if confirm in the status data of transformer station that the 500kV busbar voltage is lower than the first preset lower voltage limit, and the control command that then said AVC device generates is thrown capacitor for cut reactor to this transformer station; Perhaps,
The 220kV busbar voltage is qualified if confirm in the status data of transformer station that the 500kV busbar voltage is higher than the first preset upper voltage limit, and the control command that then said AVC device generates is for cutting capacitor and throwing reactor to this transformer station; Perhaps,
The 220kV busbar voltage is qualified if confirm in the status data of transformer station that the 500kV busbar voltage is lower than the first preset lower voltage limit, and the control command that then said AVC device generates is thrown capacitor for cut reactor to this transformer station; Perhaps,
If certain busbar voltage does not change in the status data of definite transformer station, the bus of the control command that then said AVC device generates for not changing to this transformer station's blocking voltage; Perhaps,
If confirm the status data indication capacitor or the reactor tripping operation of transformer station, the control command that then said AVC device generates is capacitor or reactor to this transformer station's locking tripping operation.
4. system according to claim 2; It is characterized in that; If said AVC device confirms whether each transformer station abnormal state occurs; This system also comprises: the AVC client is used for first upper voltage limit, first lower voltage limit, second upper voltage limit and second lower voltage limit that the user is provided with are sent to said AVC device.
5. system according to claim 2 is characterized in that, said SCADA server also is used for alarming to the transformer station that abnormal state occurs, and the transformer station of perhaps replying to remote control command is alarmed;
The said device that transformer station is carried out control operation is replied to said SCADA server via said telemechanical apparatus after carrying out said control operation.
6. system according to claim 2 is characterized in that, said AVC device also is used for alarming to the transformer station that abnormal state occurs, and the transformer station of perhaps replying to remote control command is alarmed;
The said device that transformer station is carried out control operation is replied to said AVC device via said telemechanical apparatus and said SCADA server after carrying out said control operation.
7. system according to claim 1 is characterized in that, said telemechanical apparatus, SCADA server or said AVC device adopt active and standby active/standby devices configuration, so that when host apparatus breaks down, in time switch to stand-by equipment.
8. system according to claim 1 is characterized in that, the said device that transformer station is carried out control operation is: the logging-controlling apparatus used in situ that is arranged on each control point in the transformer station;
Said logging-controlling apparatus used in situ also is used to gather the status data of control point, place and send to said telemechanical apparatus;
Said telemechanical apparatus gathers the status data of each control point in the transformer station.
9. system according to claim 1 is characterized in that, this system also comprises:
Be arranged on first protocol converter between said telemechanical apparatus and the said network; Be used for the status data that said telemechanical apparatus sends is converted to the agreement of said network support, will convert the agreement that said telemechanical apparatus is supported to from the remote control command of said network;
Be arranged on second protocol converter between said SCADA server and the said network; Be used for to convert the agreement that said SCADA server is supported to from the status data of said network, the remote control command of said SCADA server transmission converted to the agreement of said network support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120233154 CN202121383U (en) | 2011-07-01 | 2011-07-01 | Automatic voltage control system of regional electrical network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201120233154 CN202121383U (en) | 2011-07-01 | 2011-07-01 | Automatic voltage control system of regional electrical network |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103312040A (en) * | 2013-07-02 | 2013-09-18 | 国家电网公司 | Control method for improving reliability of AVC (Automatic Voltage Control) system of electric power monitoring center |
| CN105515011A (en) * | 2015-12-04 | 2016-04-20 | 国网浙江省电力公司绍兴供电公司 | Coordination control method for combined operation of regional and county automatic voltage control (AVC) systems |
| CN106356866A (en) * | 2016-09-13 | 2017-01-25 | 国家电网公司 | Automatic voltage control substation device of intelligent substation and control method thereof |
| CN106602571A (en) * | 2016-12-21 | 2017-04-26 | 国家电网公司 | Automatic voltage control method based on computer monitoring system |
| CN108471122A (en) * | 2018-04-28 | 2018-08-31 | 盐城东博环保科技有限公司 | A kind of redundancy regulating command processing method |
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2011
- 2011-07-01 CN CN 201120233154 patent/CN202121383U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103312040A (en) * | 2013-07-02 | 2013-09-18 | 国家电网公司 | Control method for improving reliability of AVC (Automatic Voltage Control) system of electric power monitoring center |
| CN105515011A (en) * | 2015-12-04 | 2016-04-20 | 国网浙江省电力公司绍兴供电公司 | Coordination control method for combined operation of regional and county automatic voltage control (AVC) systems |
| CN105515011B (en) * | 2015-12-04 | 2018-06-26 | 国网浙江省电力公司绍兴供电公司 | The control method for coordinating of ground county AVC cooperations |
| CN106356866A (en) * | 2016-09-13 | 2017-01-25 | 国家电网公司 | Automatic voltage control substation device of intelligent substation and control method thereof |
| CN106602571A (en) * | 2016-12-21 | 2017-04-26 | 国家电网公司 | Automatic voltage control method based on computer monitoring system |
| CN106602571B (en) * | 2016-12-21 | 2019-04-23 | 国家电网公司 | Automatic voltage control method based on computer supervisory control system |
| CN108471122A (en) * | 2018-04-28 | 2018-08-31 | 盐城东博环保科技有限公司 | A kind of redundancy regulating command processing method |
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