CN106655462A - Dual main station area backup power automatic switching method - Google Patents
Dual main station area backup power automatic switching method Download PDFInfo
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- CN106655462A CN106655462A CN201510715869.9A CN201510715869A CN106655462A CN 106655462 A CN106655462 A CN 106655462A CN 201510715869 A CN201510715869 A CN 201510715869A CN 106655462 A CN106655462 A CN 106655462A
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- auto restart
- prepared auto
- station device
- master station
- automatic switching
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Abstract
The invention discloses a dual main station area backup power automatic switching method. The method includes the following steps: step 1, substation devices acquire state information of respective transformer stations, process the state information to form quantity of state information needed by backup power automatic switching main stations, and send the quantity of state information to a network; step 2, the two backup power automatic switching main stations obtain quantity of state information sent from the substation devices through the network; step 3, each backup power automatic switching main station combines the obtained quantity of state information to recognize the running state and the fault state of a power grid, implements a backup power automatic switching strategy of the main station itself, forms a whole set of starting signals and tripping and switching-on commands, forms automatic switching withdraw signals according to a situation whether the main station itself stays in an abnormal state or a maintenance state, and sends the signals to the network; and step 4, each substation device obtains the tripping and switching-on commands, the whole set of starting signals and auto-switching exit signals sent from the two area backup power automatic switching main stations, determines validity of the tripping and switching-on commands by combining the signals and determining whether a communication state is normal, and actually implements the commands if the tripping and switching-on commands are valid.
Description
Technical field
The present invention relates to a kind of pair of main website region spare power automatic switching method.
Background technology
In recent years, prepared auto restart (alternate power autocast) technology is in 220kV and level below
Electrical network in be used widely, maintaining the stabilization of power grids and improving the aspect such as power supply reliability
Important function is arrived.For the regional power grid comprising multiple transformer stations, can be standby certainly using region
Throwing technology to realize electric network fault after fast recovery of power supply.
Region prepared auto restart is generally held using region prepared auto restart logic discrimination master station device and collection
Realizing, this region spare power automatic switching system is selected the region spare power automatic switching system that row sub-station device is constituted
A region prepared auto restart logic discrimination master station device is installed by any one transformer station in regional power grid
(abbreviation prepared auto restart master station device), in each transformer station of regional power grid a collection is respectively mounted
Sub-station device (abbreviation sub-station device) is performed, all sub-station devices pass through respectively fiber optic communication network
Network interacts real time information with region prepared auto restart master station device；Each sub-station device gathers its place power transformation
The status information stood, the signal needed for forming region prepared auto restart differentiates after process, then by optical fiber
Region prepared auto restart master station device is delivered on communication network, while receiving area prepared auto restart master station device
The breaker tripping and closing order for issuing and actually execution breaker tripping and closing action；Region prepared auto restart master station device passes through
Networks of Fiber Communications obtains the panoramic information of regional power grid, and completes the strategy of region prepared auto restart and sentence
Not.
In the spare power automatic switching system of region, logic discrimination master station device is most important, is responsible for region standby
Haul oneself willingly into the logic discrimination of all strategies.Once there is exception in logic discrimination master station device, such as insert
Part is damaged causes device locking, then prepared auto restart strategy in region can not be implemented；If desired to logic
Differentiate that master station device is overhauled, it is also necessary to stop whole system；And due to region prepared auto restart
Logic discrimination result do not contrast and verify, if there is the situation for sending out breaker tripping and closing order by mistake, no
Can effectively be excluded.In a word, single logic main website region prepared auto restart needs in terms of reliability
Improve.
The content of the invention
For the problems referred to above, the present invention provides a kind of pair of main website region spare power automatic switching method, there is provided one
Plant redundancy prepared auto restart main website region spare power automatic switching method, it is possible to resolve prepared auto restart master station device is abnormal or standby
Haul oneself willingly into master station device maintenance time domain spare power automatic switching system problem out of service, further, energy
Enough breaker tripping and closing orders to prepared auto restart main website carry out appropriate verification, improve region spare power automatic switching system
Reliability.
To realize above-mentioned technical purpose, above-mentioned technique effect is reached, the present invention is by following technology
Scheme is realized：
A kind of pair of main website region spare power automatic switching method, it is characterised in that two are configured in regional power grid
Platform prepared auto restart master station device, to each transformer station in regional power grid an estrade station arrangement is configured,
Two prepared auto restart master station devices pass through network interaction real time information with each sub-station device, specific standby
The method of hauling oneself willingly into comprises the steps：
Step 1：Each sub-station device gathers the status information of place transformer station, and is processed as certainly
Throw master station device needed for state information, and on deliver to network；
Step 2：Two prepared auto restart master station devices obtain each sub-station device and send by network respectively
State information；
Step 3：The state information identification region electricity that every prepared auto restart master station device is comprehensively obtained
The running status and malfunction of net, each performs the prepared auto restart strategy of itself, forms whole group and opens
Dynamic signal and breaker tripping and closing order, while according to itself whether in abnormality or inspecting state shape
Exit signal into hauling oneself willingly into, and on deliver to network；
Step 4：Each sub-station device obtains the breaker tripping and closing that two region prepared auto restart master station devices send
Order, complete set start-up signal, haul oneself willingly into and exit signal, comprehensive these signals and communications status are
It is no normal, differentiate the validity of breaker tripping and closing order, it is actual if breaker tripping and closing order effectively to perform.
Wherein, two prepared auto restart master station devices can adopt identical prepared auto restart strategy,
The prepared auto restart strategy of different criterions can be adopted.
It is preferred that, in step 4, each sub-station device receives the jump of arbitrary prepared auto restart master station device and closes
Directly perform after lock order.
It is preferred that, in step 4, each sub-station device receives wherein one prepared auto restart master station device
During breaker tripping and closing order, directly do not perform, it is necessary to while receiving another prepared auto restart master station device
Complete set start-up signal or breaker tripping and closing order, or while receive another prepared auto restart master station device
Haul oneself willingly into and exit signal, or another prepared auto restart master station device communication abnormality is just performed to jump and closed
Lock order.
The invention has the beneficial effects as follows：
(1) two prepared auto restart master station device can be supplemented mutually as standby, if wherein one because
Device is abnormal or maintenance and it is out of service, another can be with normal work, region prepared auto restart
Strategy still can be performed normally.
(2) when processing method of the sub-station device using comprehensive distinguishing, can be to region for certainly
The breaker tripping and closing order for throwing master station device is verified, and prevents from sending out the situation of breaker tripping and closing order by mistake, is had
Beneficial to the reliability for improving region prepared auto restart.
Description of the drawings
Fig. 1 is the structural representation of a kind of pair of main website region spare power automatic switching system of the invention；
Fig. 2 is the schematic flow sheet that sub-station device of the present invention processes double main websites result；
Fig. 3 is flow chart of the sub-station device of the present invention using comprehensive treatment mode.
Specific embodiment
Make further detailed to technical solution of the present invention with specific embodiment below in conjunction with the accompanying drawings
Thin description, so that those skilled in the art can be better understood from the present invention and can give reality
Apply, but illustrated embodiment is not as a limitation of the invention.
A kind of pair of main website region spare power automatic switching method, as shown in figure 1, configuring two in regional power grid
Platform prepared auto restart master station device, i.e., the prepared auto restart master station device 1 and prepared auto restart master station device 2 in figure,
Wherein, two prepared auto restart master station devices are separately mounted in the Liang Ge transformer stations of regional power grid, or
Person is arranged in the same transformer station of regional power grid, you can two changes are selected in regional power grid
Power station is respectively mounted, it is also possible to select a transformer station to install together.
An estrade station arrangement (the substation dress i.e. in figure is configured to each transformer station in regional power grid
Put A, B, C and D), two prepared auto restart master station devices pass through network interaction with each sub-station device
Real time information, general two prepared auto restart master station devices pass through Networks of Fiber Communications with each sub-station device
Interaction real time information, the time delay of Networks of Fiber Communications transmission information can reach the water less than 1 millisecond
It is flat, therefore the real-time, interactive of information can be realized.
As shown in figure 1, transformer station A, B, C, D constitute the area of a series-fed structure
Domain electrical network, the C01 switches of transformer station C are hot stand-by duty, are led when regional power grid breaks down
During the dead electricity of mutagens power station, the C01 that can close switch realizations restore electricity.If transformer station's B dead electricity,
Because stand-by heat switch is located at transformer station C, it is adaptable to which the conventional prepared auto restart of single transformer station cannot
Restored electricity for transformer station B by closing the C01 switches of transformer station C, it is necessary to using for whole
The region prepared auto restart of regional power grid fast recovery of power supply, enters based on the Global Information of regional power grid
Row comprehensive distinguishing, in transformer station's B dead electricity, first tripping transformer station B's is main for switch B01,
Close afterwards transformer station C C01 switch, realize fast recovery of power supply.
Specific spare power automatic switching method of the invention comprises the steps：
Step 1：Each sub-station device gathers the status information of place transformer station, such as transformer station is female
The analog quantity informations such as the voltage of line, the electric current of circuit, extraction voltage, and the position of the switch, mother
Switching value information such as line protection act, main transformer protection action, route protection action etc., and by this
A little information are converted to the state information needed for prepared auto restart master station device with reference to criterion on the spot, if any
Press without pressure signal, have stream without stream signal, protection signal, locking prepared auto restart signal etc., this
A little status information real-time updates, and on deliver to Networks of Fiber Communications.
Step 2：Two prepared auto restart master station devices obtain each sub-station device and send by network respectively
State information.
Step 3：The state information identification region electricity that every prepared auto restart master station device is comprehensively obtained
The running status and malfunction of net, each performs the prepared auto restart strategy of itself, forms whole group and opens
Dynamic signal and breaker tripping and closing order, while according to itself whether in abnormality or inspecting state shape
Exit signal into hauling oneself willingly into, and on deliver to network；
Two prepared auto restart master station devices obtain the substation dress of each transformer station from Networks of Fiber Communications
The state information of transmission is put, comprehensive these information, region prepared auto restart master station device can be obtained
The panoramic information of regional power grid, on this basis, two prepared auto restart master station devices are each performed certainly
The region prepared auto restart strategy of body, if regional power grid breaks down, enters the strategy that restores electricity and sentences
Other flow process, sends first a complete set start-up signal, represents and has currently identified the region electricity
Net needs to carry out fast recovery of power supply and device comes into strategy and differentiates flow process, afterwards basis
Itself criterion and tripping operation time delay of adjusting determines and is suitable for the switch of isolated fault, and sends tripping operation life
Order, after confirming this switch tripping, ECDC lock is adjusted and the order for closing stand-by heat switch is sent after time delay,
Complete set start-up signal and breaker tripping and closing order are all sent to Networks of Fiber Communications, are received by sub-station device
It is actual after taking to perform.
Wherein, two prepared auto restart master station devices can adopt identical region prepared auto restart strategy,
The region prepared auto restart strategy of different criterions can also be adopted.During the first situation, Liang Tai main websites dress
Put standby each other, and Policy Result can mutually be verified, the reliability of region prepared auto restart can be improved.
If two master station devices using different criterions region prepared auto restart strategy, such as Liang Tai main websites by
Different manufacturers are produced, and internal logic is otherwise varied, although or Liang Tai main websites given birth to by same producer
Produce, but employ diverse strategy, such as the regional power grid of Fig. 1, one adopts with electricity
Criterion based on pressure, mainly carries out tactful differentiation according to substation power loss, and another adopts to open
Criterion based on off position and protection act, the mainly change in location according to each switch and region
The situation of electric network protection action carries out tactful differentiation, and different manufacturers can be realized in this case
The effect that the device of device or different criterions is mutually verified and is complementary to one another.
When prepared auto restart master station device is when implementing region prepared auto restart logic discrimination, then one is produced
Individual hauling oneself willingly into exits signal, and sends to Networks of Fiber Communications.For example when device detects itself
Plug-in unit is damaged or the reason such as communication failure causes the region prepared auto restart strategy of itself can not be normal
Perform, then send to haul oneself willingly into and exit signal；Or device exits region prepared auto restart work(because of maintenance
Can, also send to haul oneself willingly into and exit signal.
Step 4：Each sub-station device obtains the breaker tripping and closing that two region prepared auto restart master station devices send
Order, complete set start-up signal, haul oneself willingly into and exit signal, comprehensive these signals and communications status are
It is no normal, differentiate the validity of breaker tripping and closing order, it is actual if breaker tripping and closing order effectively to perform.
Wherein, each sub-station device can be selected using the one kind in following two kinds of processing methods："or"
Logical process method, comprehensive distinguishing processing method, as shown in Fig. 2 can be by arranging control
Word is arranged in sub-station device, it is also possible to switched over by way of pressing plate.
When selecting using "or" logical process mode, sub-station device receives arbitrary prepared auto restart master
The breaker tripping and closing order of station arrangement performs breaker tripping and closing operation.The effect of "or" logical process mode
It is to prevent a certain prepared auto restart master station device because hardware reason, software defect, turnaround of unit
When causing normally to perform region prepared auto restart strategy differentiation etc. reason, by another prepared auto restart master
Station arrangement ensures the tactful normal execution that restores electricity, i.e., two region prepared auto restart master station devices are mutual
Complement one another for standby, after exiting for wherein one, another can also normally to perform region standby
Haul oneself willingly into strategy, this for the prepared auto restart of single main website region, ensure region prepared auto restart can
Improve a lot by execution aspect.
When selecting using comprehensive treatment mode, handling process is as shown in figure 3, sub-station device is received
To wherein one region prepared auto restart master station device breaker tripping and closing order when, directly do not perform, it is necessary to
The complete set start-up signal or breaker tripping and closing life of another region prepared auto restart master station device are received simultaneously
Order, or while receiving another hauling oneself willingly into for region prepared auto restart master station device exits signal, or
Another region prepared auto restart master station device communication abnormality, can perform breaker tripping and closing order.If substation
Device receives the breaker tripping and closing order of two region prepared auto restart master station devices simultaneously, then formed and mutually tested
The effect of card, is judged to breaker tripping and closing order effectively and performs breaker tripping and closing order.It is contemplated that two
Time delay is different because strategy is different or breaker tripping and closing are adjusted for platform region prepared auto restart master station device, may not
Breaker tripping and closing order can be simultaneously received, in order to prevent the generation of such case, Yi Taiqu is being received
The breaker tripping and closing order of domain prepared auto restart master station device, while when having the complete set start-up signal of another,
Then represent that two region prepared auto restart master station devices have identified regional power grid failure and entered extensive
Multiple power supply strategy differentiates flow process, breaker tripping and closing order is also judged in this case effectively and is held
OK.If receiving the breaker tripping and closing order of a region prepared auto restart master station device, and another region is standby
Hauling oneself willingly into master station device can not normally perform region prepared auto restart strategy, and including receiving, another region is standby
Haul oneself willingly into hauling oneself willingly into for master station device and exit signal, or lead to another region prepared auto restart master station device
Letter is abnormal, then the breaker tripping and closing result by normal region prepared auto restart master station device is defined.Using synthesis
Processing mode, can strengthen the validation verification to breaker tripping and closing order, prevent breaker tripping and closing order from missing
Situation about sending out occurs, and improves the reliability of region prepared auto restart.
It should be noted that, after employing double main websites region spare power automatic switching method, due to the difference of criterion,
Or the difference of breaker tripping and closing delayed setting, it is possible that two prepared auto restart master station devices are successively sent out
Go out the situation of breaker tripping and closing order, this there will not be any adverse effect to regional power grid.If for the first time
After trip signal is performed, tripping is switched, then its trip(ping) circuit will disconnect, even if occurring again
Trip signal, because trip(ping) circuit is no longer turned on, secondary trip signal can't be performed actually；
In the same manner, if primary combined floodgate order executed, switch closes, then its closing circuit will break
Open, even if occurring order of closing a floodgate again, because closing circuit is no longer turned on, secondary life of closing a floodgate
Order will not be performed actually.And in other situations, if primary breaker tripping and closing order fails
Successful execution, then secondary breaker tripping and closing order can also play standby and supplement the beneficial of breaker tripping and closing
Effect.
The invention has the beneficial effects as follows：
(1) two prepared auto restart master station device can be supplemented mutually as standby, if wherein one because
Device is abnormal or maintenance and it is out of service, another can be with normal work, region prepared auto restart
Strategy still can be performed normally.
(2) when processing method of the sub-station device using comprehensive distinguishing, can be to region for certainly
The breaker tripping and closing order for throwing master station device is verified, and prevents from sending out the situation of breaker tripping and closing order by mistake, is had
Beneficial to the reliability for improving region prepared auto restart.
The preferred embodiments of the present invention are these are only, the patent model of the present invention is not thereby limited
Enclose, equivalent structure or equivalent process that every utilization description of the invention and accompanying drawing content are made
Conversion, or other related technical fields are directly or indirectly used in, this is included in the same manner
In the scope of patent protection of invention.
Claims (7)
1. a kind of pair of main website region spare power automatic switching method, it is characterised in that two are configured in regional power grid
Platform prepared auto restart master station device, to each transformer station in regional power grid estrade station dress is configured
Put, two prepared auto restart master station devices pass through network interaction real time information with each sub-station device,
Specific spare power automatic switching method comprises the steps：
Step 1：Each sub-station device gathers the status information of place transformer station, and is processed as certainly
Throw master station device needed for state information, and on deliver to network；
Step 2：Two prepared auto restart master station devices obtain each sub-station device and send by network respectively
State information；
Step 3：The state information identification region electricity that every prepared auto restart master station device is comprehensively obtained
The running status and malfunction of net, each performs the prepared auto restart strategy of itself, is formed whole
Group enabling signal and breaker tripping and closing order, while according to itself whether in abnormality or inspection
Repair state and formed and haul oneself willingly into and exit signal, and on deliver to network；
Step 4：Each sub-station device obtains the breaker tripping and closing that two region prepared auto restart master station devices send
Order, complete set start-up signal, haul oneself willingly into and exit signal, comprehensive these signals and communication shape
Whether state is normal, differentiates the validity of breaker tripping and closing order, real if breaker tripping and closing order effectively
Border performs.
2. a kind of pair of main website according to claim 1 region spare power automatic switching method, it is characterised in that
Two prepared auto restart master station devices adopt identical prepared auto restart strategy.
3. a kind of pair of main website according to claim 1 region spare power automatic switching method, it is characterised in that
Two prepared auto restart master station devices adopt the prepared auto restart strategy of different criterions.
4. a kind of pair of main website according to claim 1 region spare power automatic switching method, it is characterised in that
In step 4, each sub-station device receives the breaker tripping and closing order of arbitrary prepared auto restart master station device
Directly perform afterwards.
5. a kind of pair of main website according to claim 1 region spare power automatic switching method, it is characterised in that
In step 4, each sub-station device receives the breaker tripping and closing of a wherein prepared auto restart master station device
During order, directly do not perform, it is necessary to while receiving the whole of another prepared auto restart master station device
Group enabling signal or breaker tripping and closing order, or while receive another prepared auto restart main website dress
Signal is exited in hauling oneself willingly into for putting, or another prepared auto restart master station device communication abnormality, is just held
Row breaker tripping and closing order.
6. a kind of pair of main website region spare power automatic switching method according to claim 1-5 any one,
Characterized in that, two prepared auto restart master station devices pass through fiber optic communication network with each sub-station device
Network interacts real time information.
7. a kind of pair of main website according to claim 6 region spare power automatic switching method, it is characterised in that
Two prepared auto restart master station devices are separately mounted in the Liang Ge transformer stations of regional power grid, or
In the same transformer station of regional power grid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510715869.9A CN106655462B (en) | 2015-10-29 | 2015-10-29 | Double-master-station regional spare power automatic switching method |
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| CN201510715869.9A CN106655462B (en) | 2015-10-29 | 2015-10-29 | Double-master-station regional spare power automatic switching method |
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| CN106655462A true CN106655462A (en) | 2017-05-10 |
| CN106655462B CN106655462B (en) | 2023-03-28 |
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Cited By (3)
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|---|---|---|---|---|
| CN108599095A (en) * | 2018-06-22 | 2018-09-28 | 深圳供电局有限公司 | Installation device integrating bus tie spare power automatic switching function and main transformer spare power automatic switching function |
| CN110601350A (en) * | 2019-09-23 | 2019-12-20 | 云南电网有限责任公司曲靖供电局 | High-voltage self-adaptive area spare power automatic switching system and spare power automatic switching control method thereof |
| CN112327153A (en) * | 2020-11-02 | 2021-02-05 | 国网山东省电力公司临朐县供电公司 | Spare power automatic switching analog circuit breaker test device and use method |
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| CN112327153A (en) * | 2020-11-02 | 2021-02-05 | 国网山东省电力公司临朐县供电公司 | Spare power automatic switching analog circuit breaker test device and use method |
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| Publication number | Publication date |
|---|---|
| CN106655462B (en) | 2023-03-28 |
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