CN104124760A - Method and device for controlling opening and closing of power distribution network monitoring system - Google Patents

Method and device for controlling opening and closing of power distribution network monitoring system Download PDF

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Publication number
CN104124760A
CN104124760A CN201410398569.8A CN201410398569A CN104124760A CN 104124760 A CN104124760 A CN 104124760A CN 201410398569 A CN201410398569 A CN 201410398569A CN 104124760 A CN104124760 A CN 104124760A
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China
Prior art keywords
power distribution
monitoring system
distribution networks
air humidity
time
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CN201410398569.8A
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CN104124760B (en
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唐禹家
唐玺
唐钰
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NINGBO HAICHUANG TIANXIA INFORMATION TECHNOLOGY Co Ltd
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NINGBO HAICHUANG TIANXIA INFORMATION TECHNOLOGY Co Ltd
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Abstract

The invention relates to a method and a device for controlling opening and closing of a power distribution network monitoring system. The device comprises a time judgment unit for measuring current time value, judging whether the current time value is positioned in a first appointed time frame, and emitting a control signal according to the judgment result; an air humidity measurement unit, for measuring current air humidity value; a first processing unit, which is connected to a power distribution network monitoring system for controlling opening and closing states of the same, connected to the time judgment unit for receiving the signal of the time judgment unit, and also connected to the air humidity measurement unit for receiving the signal of the air humidity measurement unit and emitting a control signal to the air humidity measurement unit. According to the method and device for controlling opening and closing of the power distribution network monitoring system, utilization efficiency of the power distribution network monitoring system is improved, cost is saved and resource are also saved.

Description

A kind of control method of monitoring system for power distribution networks switch and device
Technical field
The present invention relates to monitoring system for power distribution networks field, be specifically related to a kind of control device and control method thereof of monitoring system for power distribution networks switch.
Background technology
Power distribution network is a kind of network that distributes electric energy effect, conventionally sets a supervisory control system and monitors.For judging that the distributed management system (DMS) that produces fault at distribution network system is divided into current detecting system (CSS) and voltage detecting system (VSS) with Distribution Network Equipment, can detect that power distribution network breaks down and correctly processing.Existing monitoring system for power distribution networks, carries out the monitoring moment of power distribution network conventionally, supervisory control system one direct-open, and utilization ratio is not high, and cost increases, and causes the waste of resource.
In view of above-mentioned defect, creator of the present invention has obtained the present invention finally through long research and practice.
Summary of the invention
The object of the invention is to, a kind of control device and control method thereof of monitoring system for power distribution networks switch are provided, can decide according to power consumption peak period time period and air humidity the startup of monitoring system for power distribution networks, the mixed type distribution network system of the distribution network system of monitoring current detection type system (CSS), the distribution network system of voltage detecting type system (VSS) and current detecting system (CSS), voltage detecting system (VSS).In order to solve the monitoring of existing monitoring system for power distribution networks moment, supervisory control system utilization ratio is not high, and cost increases, the defect of waste resource.
For achieving the above object, the technical solution used in the present invention is, first a kind of control method of monitoring system for power distribution networks switch is provided, and comprises following method step:
Step 1: by a time determination device, judge that whether current time is in T 1-T 2time period, if so, sends the first triggering signal to first processor, and described first processor receives after described the first triggering signal, then sends a control signal to monitoring system for power distribution networks, execution step 4; If not, sending the second triggering signal to described first processor, described first processor receives after described the second triggering signal, then sends a control signal to monitoring system for power distribution networks, and it is closed, and opens an air humidity measurement mechanism, and performs step 2;
Step 2: described air humidity measurement mechanism is measured current air humidity after opening, and the output air humidity value of surveying, and send to described first processor, execution step 3;
Step 3: described first processor receives described air humidity value, judge that whether this air humidity value is in the first humidity range district or the second humidity range district, if in one of them, carries out following step 4, if not in two humidity regions any one, carry out following step 5;
Step 4: open monitoring system for power distribution networks, execution step 6;
Step 5: close monitoring system for power distribution networks, execution step 6;
Step 6: finish;
Wherein T 1, T 2represent the moment.
Wherein, described step 4 specifically comprises following sub-step:
Step 41: open monitoring system for power distribution networks;
Step 42: described time determination device, judges that whether current time is in T 1-T 2time period, if execution step 45, if not carry out following step 43;
Step 43: judge that by described time determination device whether the time of opening monitoring system for power distribution networks is in T 3to T 4between, if so, sending the 3rd triggering signal to described first processor, described first processor receives after the 3rd triggering signal, then sends a control signal to described air humidity measurement mechanism, carries out following step 44; If not, sending the 4th triggering signal to described first processor, described first processor receives after the 4th triggering signal, then sends a control signal to monitoring system for power distribution networks, carries out following step 45;
Step 44: by described air humidity measurement mechanism test constantly air humidity within the specifying measurement time, judge by described first processor whether the mean value of all air humidity values in the described stipulated time meets the first constraints or meet the second constraints, if meet wherein any one constraints, carry out following step 45, if all do not meet, carry out above-mentioned steps 5;
Step 45: execution step 6;
Wherein T 3, T 4represent the moment.
Wherein, the first humidity range district described in step 3 is that the 0～20%, second humidity range district is 80%～100%.
Wherein, described in step 44, the first constraints is m≤p, the second constraints is m≤p, wherein p is the number of times that described air humidity measurement mechanism is measured air humidity within the described stipulated time, it is to be greater than 1 natural number.
Wherein, in step 44, described air humidity measurement mechanism was measured primary air humidity every q minute, and each measurement shows the humidity value H of the precision such as a simultaneously ij, calculate its mean value by described processor and with the standard error δ of these group data ithe reliability of judging these group data, calculates δ by processor iin the time of the first standard error allowed band, this group reliable measuring data;
Wherein i represents the sequence number of certain measurement in described air humidity measurement mechanism measuring for p time within the described stipulated time, and j represents the sequence number of any one humidity value in the humidity value of the precision such as a of certain measurement is individual; The first described standard error allowed band is 0～2%.
Wherein, described mean value i≤p, j≤a.
Wherein, described processor also needs to calculate remainder error
Wherein, described standard error δ i = 1 a - 1 Σ j = 1 a δ ij 2 = 1 a - 1 Σ j = 1 a ( H ij - 1 a Σ j = 1 a H ij ) 2 .
Next the invention provides a kind of control device for monitoring system for power distribution networks switch, and in order to realize the control method of above-mentioned monitoring system for power distribution networks switch, it comprises:
One time judging unit, in order to measure current time value, judges that it is whether in the first fixed time section, and sends control signal according to result of determination;
One air humidity measuring unit, in order to measure current air humidity value;
One first processing unit, it is connected with monitoring system for power distribution networks, in order to control its on off state, described time judging unit is connected with the first described processing unit, for receiving the signal of described time judging unit, the first described processing unit guarantees that described moment value makes monitoring system for power distribution networks in opening in described the first fixed time section, if do not exist, closes described monitoring system for power distribution networks;
The first described processing unit is connected with described air humidity measuring unit, for receiving the signal of described air humidity measuring unit and sending control signal to described air humidity measuring unit, the first described processing unit is guaranteed to be at least one humidity range district when described air humidity value, again makes described monitoring system for power distribution networks in opening.
Wherein, in the time that described time judging unit judges that the time is in the second fixed time section, the first processing unit further judges whether the mean value of the air humidity value of the measurement in the described specifying measurement time meets the first constraints or meet the second constraints, if all do not meet, close monitoring system for power distribution networks.
Beneficial effect of the present invention is compared with the prior art: the control method of a kind of monitoring system for power distribution networks switch provided by the invention can be controlled according to the situation of peak times of power consumption and air humidity the open and close of supervisory control system, improve the utilization ratio of monitoring system for power distribution networks, cost-saving, saving resource.
Brief description of the drawings
Fig. 1 is the flow chart of the embodiment mono-of the method for controlling switch of monitoring system for power distribution networks of the present invention;
Fig. 2 is the flow chart of step 4 in the embodiment bis-of method of controlling switch of monitoring system for power distribution networks of the present invention;
Fig. 3 is the control device functional block diagram of monitoring system for power distribution networks switch of the present invention;
Fig. 4 is functional block diagram after the control device of monitoring system for power distribution networks switch of the present invention is installed in VSS type or CSS type monitoring system for power distribution networks structure;
Fig. 5 is functional block diagram after the control device of monitoring system for power distribution networks switch of the present invention is installed in mixed type monitoring system for power distribution networks structure.
Embodiment
For ease of those skilled in the art, technical scheme and the beneficial effect of invention are understood, spy describes as follows to embodiment by reference to the accompanying drawings.
Embodiment mono-
Refer to shown in Fig. 1 the flow chart of the embodiment mono-of its method of controlling switch that is monitoring system for power distribution networks of the present invention.The control method of described monitoring system for power distribution networks switch, comprises following method step:
S1: by a time determination device, judge that whether current time is in T 1-T 2time period, if so, sends the first triggering signal to a first processor, and described first processor receives after described the first triggering signal, then sends a control signal to monitoring system for power distribution networks, carries out S4; If not, sending the second triggering signal to described first processor, described first processor receives after described the second triggering signal, then sends a control signal to monitoring system for power distribution networks, and it is closed, and opens an air humidity measurement mechanism, and carries out S2;
S2: described air humidity measurement mechanism is measured current air humidity after opening, and the output air humidity value of surveying, and send to described first processor, carry out S3;
S3: described first processor receives described air humidity value, judge that whether this air humidity value is in the first humidity range district or the second humidity range district, if in one of them, carries out following S4, if not in two humidity regions any one, carry out following S5;
S4: open monitoring system for power distribution networks, carry out S6;
S5: close monitoring system for power distribution networks, carry out S6;
S6: finish;
Wherein T 1, T 2represent moment value, T 18:00, T 2be 24:00, above-mentioned numerical value is to obtain according to experimental summary, and in this time period, the utilization rate of electric power reaches 95%.The first humidity range district described in S3 is that the 0～20%, second humidity range district is 80%～100%, and in above-mentioned two humidity ranges, power distribution network, because air humidity microweather is dry or air humidity is excessive, is easily out of order.
Because distribution network system is little in power consumption peak period and air humidity, when dry weather and air humidity are excessive, be easily out of order, therefore the method has realized under the easy out of order condition of above-mentioned power distribution network and has opened monitoring system for power distribution networks, thereby has improved the utilization ratio of monitoring system for power distribution networks.
Embodiment bis-
In order to utilize more accurately air humidity value to decide the open and close of monitoring system for power distribution networks, thereby the more high efficiency monitoring system for power distribution networks of utilizing, shown in Fig. 2, the flow chart of S4 in its embodiment bis-that is the method for controlling switch of monitoring system for power distribution networks of the present invention, in embodiment bis-, take the method step of following monitoring system for power distribution networks switch control:
S1: cross a time determination device, judge that whether current time is in T 1-T 2time period, if so, sends the first triggering signal to a first processor, and described first processor receives after described the first triggering signal, then sends a control signal to monitoring system for power distribution networks, carries out S4; If not, sending the second triggering signal to described first processor, described first processor receives after described the second triggering signal, then sends a control signal to monitoring system for power distribution networks, and it is closed, and opens an air humidity measurement mechanism, and carries out S2;
S2: described air humidity measurement mechanism is measured current air humidity after opening, and the output air humidity value of surveying, send to described first processor, carries out S3;
S3: described first processor receives described air humidity value, judge that whether this air humidity value is in the first humidity range district or the second humidity range district, if in one of them, carries out following S4, if not in two humidity regions any one, carry out following S5;
S4: open monitoring system for power distribution networks, carry out S6;
S5: close monitoring system for power distribution networks, carry out S6;
S6: finish;
Wherein, described S4 specifically comprises following sub-step:
S41: open monitoring system for power distribution networks;
S42: described time determination device, judges that whether current time is in T 1-T 2time period, if carry out S45, if not carry out following S43;
S43: judge that by described time determination device whether the time of opening monitoring system for power distribution networks is in T 3to T 4between, if so, sending the 3rd triggering signal to described first processor, described first processor receives after the 3rd triggering signal, then sends a control signal to described air humidity measurement mechanism, carries out following S44; If not, sending the 4th triggering signal to described first processor, described first processor receives after the 4th triggering signal, then sends a control signal to monitoring system for power distribution networks, carries out following S45;
S44: by described air humidity measurement mechanism test constantly air humidity within the specifying measurement time, judge by described first processor whether the mean value of all air humidity values in the described stipulated time meets the first constraints or meet the second constraints, if meet wherein any one constraints, carry out following S45, if all do not meet, carry out above-mentioned S5;
S45: carry out S6;
Wherein T 1-T 4represent the moment, T 18:00, T 224:00, T 30:01, T 44:00, above-mentioned T 1, T 2numerical value is to obtain according to experimental summary, and in this time period, the utilization rate of electric power reaches 95%, T 3, T 4if the time that numerical value is the air humidity value that records according to air humidity measurement mechanism is in the first humidity range district or the second humidity range district is in first 4 hours of 0:01-8:00, continue to after the air humidity of a period of time measure, determine whether opening monitoring system for power distribution networks according to the mean value size of the air humidity value of measuring, efficiently utilize monitoring system for power distribution networks thereby realized, saving resource.The first humidity range district described in S3 is that the 0～20%, second humidity range district is 80%～100%; Described in S44, the first constraints is m≤p, the second constraints is m≤p, wherein p is the number of times that described air humidity measurement mechanism is measured air humidity within the described stipulated time, it is to be greater than 1 natural number; In S8, described air humidity measurement mechanism was measured primary air humidity every q minute, and each measurement shows the humidity value H of the precision such as a simultaneously ij, calculate its mean value by described processor and with the standard error δ of these group data ithe reliability of judging these group data, calculates δ by first processor iin the time of the first standard error allowed band, this group reliable measuring data;
Wherein i represents the sequence number of certain measurement in described air humidity measurement mechanism measuring for p time within the described stipulated time, and j represents the sequence number of any one humidity value in the humidity value of the precision such as a of certain measurement is individual; The first described standard error allowed band is 0～2%; Described mean value i≤p, j≤a; Described processor also needs to calculate remainder error described standard error δ i = 1 a - 1 Σ j = 1 a δ ij 2 = 1 a - 1 Σ j = 1 a ( H ij - 1 a Σ j = 1 a H ij ) 2 ; Wherein p is 120, and the described stipulated time is 4 hours, and q is that 2, a is 10, the afore mentioned rules time be 4 hours be according to T 3-T 4during for 0:01-4:00, the test constantly that continues by air humidity measurement mechanism, air humidity to be carried out 4 hours is set, by the measurement in 4 hours that continues to air humidity, improve the accuracy that monitoring system for power distribution networks switch controlling device opens and closes monitoring system for power distribution networks.
The method reaches the time of the first humidity province or the second humidity province according to air humidity value, the further accurate open and close of monitoring system for power distribution networks, have realized the more high efficiency utilization of monitoring system for power distribution networks, have overcome the defect of the wasting of resources.
Embodiment tri-
Refer to Fig. 3, it is the control device functional block diagram of monitoring system for power distribution networks switch of the present invention, for realizing the method for above-mentioned monitoring system for power distribution networks switch control, comprising:
One time judging unit 2, in order to measure current time value, judges that it is whether in one first fixed time section, and sends control signal according to result of determination;
One air humidity measuring unit 3, in order to measure current air humidity value;
One first processing unit 1, it is connected with a monitoring system for power distribution networks 4, in order to control its on off state, described time judging unit 2 is connected with the first described processing unit 1, for receiving the signal of described time judging unit 2, the first described processing unit 1 guarantees that described moment value makes monitoring system for power distribution networks 4 in opening in described the first fixed time section, if do not exist, closes described monitoring system for power distribution networks 4;
The first described processing unit 1 is connected with described air humidity measuring unit 3, for receiving the signal of described air humidity measuring unit 3 and sending control signal to described air humidity measuring unit 3, the first described processing unit 1 is guaranteed to be at least one humidity range district when described air humidity value, again makes described monitoring system for power distribution networks 4 in opening.
By this time judging unit 2, judge that whether current time is in T 1-T 2time period, if so, sends to this first processing unit 1 using this result as the first triggering signal, described the first processing unit 1 receives after the first triggering signal, then sends a control signal to monitoring system for power distribution networks 4, and monitoring system for power distribution networks 4 is opened; If not, sending the second triggering signal to described the first processing unit 1, described the first processing unit 1 receives after the second triggering signal, then sends a control signal to monitoring system for power distribution networks 4, and it is closed, and opens air humidity measuring unit 3;
This air humidity measuring unit 3 is measured current air humidity, and the output air humidity value of surveying, and sends to the first processing unit 1;
Described the first unit, place 1 receives described air humidity value, judge whether this air humidity value is in the first humidity range district or the second humidity range district, if in one of them, open monitoring system for power distribution networks 4, if not in two humidity regions any one, close monitoring system for power distribution networks 4;
Carry out and open after monitoring system for power distribution networks 4 by above-mentioned judgement, judge that by time judging unit 2 whether current time is in T 1-T 2time period, is if so, held open monitoring system for power distribution networks 4, if not, judge that by this time judging unit 2 whether the time is in T 3to T 4between;
After above-mentioned judgement, if not in T 3to T 4between, this time judging unit 2 sends the 4th triggering signal and sends a control signal to monitoring system for power distribution networks 4 to described the first processing unit 1, the first processing unit 1, keeps monitoring system for power distribution networks 4 in opening; If in T 3to T 4between, sending the 3rd triggering signal to described the first processing unit 1, described the first processing unit 1 receives after the 4th triggering signal, then sends a control signal to described air humidity measuring unit 3, makes its test constantly air humidity within the specifying measurement time;
Judge by described the first processing unit 1 whether the mean value of all air humidity values in the described stipulated time meets the first constraints or meet the second constraints, if meet wherein any one constraints, keep the unlatching of monitoring system for power distribution networks 4, if all do not meet, close monitoring system for power distribution networks 4.
Wherein T in corresponding embodiment mono-and two of the first fixed time 1-T 2, between 8:00-24:00, the second fixed time corresponding embodiment mono-and embodiment bis-in T 3-T 4, i.e. 0:01-4:00.
Embodiment tetra-
By the open and close of above-mentioned monitoring system for power distribution networks switch controlling device control monitoring system for power distribution networks, monitoring system for power distribution networks switch controlling device and monitoring system for power distribution networks method of controlling switch, with embodiment mono-, two and three, are controlled following VSS type or CSS type monitoring system for power distribution networks with it.
Refer to Fig. 4, its control device that is monitoring system for power distribution networks switch of the present invention is installed rear functional block diagram in VSS type or CSS type monitoring system for power distribution networks structure, wherein, VSS type or CSS type monitoring system for power distribution networks are made up of lower array apparatus: supervising device 43, state are grasped device 44, on off state receiving device 45, VSS type or CSS type fault zone judgment means 46, VSS type or CSS type fault zone expanding unit 47, fault treating apparatus 48, VSS type or CSS type and exchanged program preparation facilities 49.
Open after monitoring system for power distribution networks by above-mentioned monitoring system for power distribution networks switch controlling device 42, supervising device 43 receives a Distribution Network Equipment information from VSS type or CSS type distribution network system 41, in the time finding that this equipment state changes compared with the information gap receiving last time, supervising device 43 circular states are grasped the content of device 44 above-mentioned state variation.
State is grasped the information judgement charging/power down mode of Distribution Network Equipment and the fault generation of distribution network system that device 44 is circulated a notice of according to supervising device 43.If when having judged fault and producing, state is grasped device 44 and is circulated a notice of the generation of fault on off state receiving device 45.
Grasp the circular of device 44 according to state, by causing the feed circuit of fault, before fault, search switch in the scope that on off state receiving device 45 can send at electric power, request supervising device 43 is accepted the on off state searching and the result of grasping device 44 these receive statuss of reception by state, and request VSS type or CSS type fault zone judgment means 46 judge this fault zone, the information that VSS type or CSS type fault zone expanding unit 47 receive about fault zone from VSS type or CSS type fault zone judgment means 46, realize the judgement to fault zone.
In the time that the state of the switch near the load-side of this fault zone is not accepted, VSS type or CSS type fault zone expanding unit 47 further expand to load-side by fault zone, and circulate a notice of expanded region to VSS type or CSS type fault zone judgment means 46, through VSS type or CSS type fault zone judgment means 46, result is circulated a notice of to fault treating apparatus 48, fault treating apparatus 48 sends the control request of this fault zone of isolation and sends the operation of electric power to one power supply interrupted district but not this fault zone to the control request of supervising device 43, and receive controlled result by described state grasp device 44.
Response is from the request of fault treating apparatus 48, VSS type or CSS type exchange program preparation facilities 49 and prepare an exchange program to non-fault outage region, and result is circulated a notice of to fault treating apparatus 48, realized monitoring and troubleshooting to VSS type or CSS type power distribution network.
Embodiment five
By the open and close of above-mentioned monitoring system for power distribution networks switch controlling device control monitoring system for power distribution networks, monitoring system for power distribution networks switch controlling device and monitoring system for power distribution networks method of controlling switch, with embodiment mono-, two and three, are controlled following VSS and CSS mixed type monitoring system for power distribution networks with it.
Refer to shown in Fig. 5, its control device that is monitoring system for power distribution networks switch of the present invention is installed rear functional block diagram in mixed type monitoring system for power distribution networks structure, wherein VSS and CSS mixed type monitoring system for power distribution networks are made up of following: supervising device 53, state is grasped device 54, on off state receiving device 55, VSS type fault zone judgment means 561, CSS type fault zone judgment means 562, VSS type fault zone expanding unit 571, CSS type fault zone expanding unit 572, fault treating apparatus 58, VSS type exchanges program preparation facilities 591, CSS type exchanges program preparation facilities 592, fault processing system choice device 60.
Open after monitoring system for power distribution networks by above-mentioned monitoring system for power distribution networks switch controlling device 52, supervising device 53 receives a Distribution Network Equipment information from VSS and CSS mixed type distribution network system 51, in the time finding that this equipment state changes compared with the information gap receiving last time, supervising device 53 circular states are grasped the content of device 54 above-mentioned state variation.
State is grasped the information judgement charging/power down mode of Distribution Network Equipment and the fault generation of distribution network system that device 54 is circulated a notice of according to supervising device 53.If when having judged fault and producing, state is grasped device 54 and is circulated a notice of the generation of fault on off state receiving device 55.
Grasp the circular of device 54 according to state, by causing the feed circuit of fault, before fault, search switch in the scope that on off state receiving device 55 can send at electric power, request supervising device 53 is accepted the on off state searching and the result of grasping device 54 these receive statuss of reception by state.
In the time receiving fault zone judgement request from this state grasp device 54, fault processing system choice device 60 is according to operator's judgement and setting, select a VSS type fault processing system or a CSS type fault processing system, when having selected after VSS type fault processing system, this fault zone judgement request is exported to VSS type fault zone judgment means 561; When having selected after CSS type fault processing system, this fault zone judgement request is exported to CSS type fault zone judgment means 562.Request fault zone judgment means 561 or 562 judges this fault zone, thereby realizes the selective monitoring to mixed type power distribution network, and realizes the judgement to fault zone.
To select VSS type fault processing system as example, fault zone expanding unit 571 receives the information about fault zone from fault zone judgment means 561 below.In the time that the state of the switch near the load-side of this fault zone is not accepted, fault zone expanding unit 571 further expands to load-side by fault zone, and circulate a notice of expanded region to fault zone judgment means 561, through fault zone judgment means 561, result is circulated a notice of to fault treating apparatus 58, fault treating apparatus 58 sends the control request of this fault zone of isolation and sends the operation of electric power to one power supply interrupted district but not this fault zone to the control request of supervising device 53, and grasps device 54 by described state and receive controlled result.
Response, from the request of fault treating apparatus 58, is exchanged program preparation facilities 591 and is prepared an exchange program to non-fault outage region, and result is circulated a notice of to fault treating apparatus 58, realizes mixed type power distribution network selective monitoring.
The foregoing is only preferred embodiment of the present invention, is only illustrative for invention, and nonrestrictive.Those skilled in the art is understood, and in the spirit and scope that limit, can carry out many changes to it in invention claim, amendment, and even equivalence, but all will fall into protection scope of the present invention.

Claims (10)

1. a control method for monitoring system for power distribution networks switch, comprises following method step:
Step 1: by a time determination device, judge that whether current time is in T 1-T 2time period, if so, sends the first triggering signal to a first processor, and described first processor receives after described the first triggering signal, then sends a control signal to monitoring system for power distribution networks, execution step 4; If not, sending the second triggering signal to described first processor, described first processor receives after described the second triggering signal, then sends a control signal to monitoring system for power distribution networks, and it is closed, and opens an air humidity measurement mechanism, and performs step 2;
Step 2: described air humidity measurement mechanism is measured current air humidity after opening, and the output air humidity value of surveying, and send to described first processor, execution step 3;
Step 3: described first processor receives described air humidity value, judge that whether this air humidity value is in the first humidity range district or the second humidity range district, if in one of them, carries out following step 4, if not in two humidity regions any one, carry out following step 5;
Step 4: open monitoring system for power distribution networks, execution step 6;
Step 5: close monitoring system for power distribution networks, execution step 6;
Step 6: finish;
Wherein T 1, T 2represent moment value.
2. method according to claim 1, is characterized in that, described step 4 specifically comprises following sub-step:
Step 41: open monitoring system for power distribution networks;
Step 42: described time determination device, judges that whether current time is in T 1-T 2time period, if execution step 45, if not carry out following step 43;
Step 43: judge that by described time determination device whether the time of opening monitoring system for power distribution networks is in T 3to T 4between, if so, sending the 3rd triggering signal to described first processor, described first processor receives after the 3rd triggering signal, then sends a control signal to described humidity measuring instrument, carries out following step 44; If not, sending the 4th triggering signal to described first processor, described first processor receives after the 4th triggering signal, then sends a control signal to monitoring system for power distribution networks, carries out following step 45;
Step 44: by described air humidity measurement mechanism test constantly air humidity within the specifying measurement time, judge by described first processor whether the mean value of all air humidity values in the described stipulated time meets the first constraints or meet the second constraints, if meet wherein any one constraints, carry out following step 45, if all do not meet, carry out above-mentioned steps 5;
Step 45: execution step 6;
Wherein T 3, T 4represent moment value.
3. the control method of monitoring system for power distribution networks switch according to claim 2, is characterized in that, the first humidity range district described in step 3 is that the 0～20%, second humidity range district is 80%～100%.
4. the control method of monitoring system for power distribution networks switch according to claim 3, is characterized in that, wherein described in step 44, the first constraints is 80 % ≤ 1 m Σ i = 1 m H ‾ i ≤ 100 % , M≤p, the second constraints is 0 ≤ 1 m Σ i = 1 m H ‾ i ≤ 20 % , M≤p, wherein p is the number of times that described air humidity measurement mechanism is measured air humidity within the described stipulated time, it is to be greater than 1 natural number.
5. the control method of monitoring system for power distribution networks switch according to claim 4, is characterized in that, in step 44, described air humidity measurement mechanism was measured primary air humidity every q minute, and each measurement shows the humidity value H of the precision such as a simultaneously ij, calculate its mean value by described processor and with the standard error δ of these group data ijudge the reliability of these group data, calculate δ by described first processor iin the time of the first standard error allowed band, this group reliable measuring data;
Wherein i represents the sequence number of certain measurement in described air humidity measurement mechanism measuring for p time within the described stipulated time, and j represents the sequence number of any one humidity value in the humidity value of the precision such as a of certain measurement is individual; The first described standard error allowed band is 0～2%.
6. the control method of monitoring system for power distribution networks switch according to claim 5, is characterized in that, described mean value i≤p, j≤a.
7. the control method of monitoring system for power distribution networks switch according to claim 6, is characterized in that, described first processor also needs to calculate remainder error δ ij = H ij - H ‾ i = H ij - 1 a Σ j = 1 a H ij .
8. the control method of monitoring system for power distribution networks switch according to claim 7, is characterized in that, described standard error δ i = 1 a - 1 Σ j = 1 a δ ij 2 = 1 a - 1 Σ j = 1 a ( H ij - 1 a Σ j = 1 a H ij ) 2 .
9. for a control device for monitoring system for power distribution networks switch, in order to realize the control method of arbitrary described monitoring system for power distribution networks switch in the claims 1-8, it is characterized in that, comprising:
One time judging unit, in order to measure current time value, judges that it is whether in the first fixed time section, and sends control signal according to result of determination;
One air humidity measuring unit, in order to measure current air humidity value;
One first processing unit, it is connected with monitoring system for power distribution networks, in order to control its on off state, described time judging unit is connected with the first described processing unit, for receiving the signal of described time judging unit, the first described processing unit guarantees that described moment value makes monitoring system for power distribution networks in opening in described the first fixed time section, if do not exist, closes described monitoring system for power distribution networks;
The first described processing unit is connected with described air humidity measuring unit, for receiving the signal of described air humidity measuring unit and sending control signal to described air humidity measuring unit, the first described processing unit is guaranteed to be at least one humidity range district when described air humidity value, again makes described monitoring system for power distribution networks in opening.
10. the control device for monitoring system for power distribution networks switch according to claim 9, it is characterized in that, in the time that described time judging unit judges that the time is in the second fixed time section, the first processing unit further judges whether the mean value of the air humidity value of the measurement in the described specifying measurement time meets the first constraints or meet the second constraints, if all do not meet, close monitoring system for power distribution networks.
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