CN103066688A - Automatic converting device and controlling method with two ways of power sources capable of being simultaneously closed in short time - Google Patents
Automatic converting device and controlling method with two ways of power sources capable of being simultaneously closed in short time Download PDFInfo
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- CN103066688A CN103066688A CN2012105492573A CN201210549257A CN103066688A CN 103066688 A CN103066688 A CN 103066688A CN 2012105492573 A CN2012105492573 A CN 2012105492573A CN 201210549257 A CN201210549257 A CN 201210549257A CN 103066688 A CN103066688 A CN 103066688A
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Abstract
The invention relates to an automatic converting device and a controlling method with two ways of power sources capable of being simultaneously closed in short time. The automatic converting device and the controlling method with two ways of power sources capable of being simultaneously closed in short time comprise two universal executing protecting disconnectors and a set of executing disconnector controlling device. A power signal collecting and circuit phase collecting circuit of a first power and a second power of the two universal executing protecting disconnectors is connected with a numeral signal processor of the executing disconnector controlling device. An auxiliary and alarming collecting circuit, a closing and shunt driving circuit, a motor driving and energy storage state collecting circuit of the two universal executing protecting disconnectors are all connected with the numeral signal processor of an executing protecting controlling device. According to the automatic converting device and the controlling method with two ways of power sources capable of being simultaneously closed in short time, the two ways of power sources are closed in short time when a phase difference of the two ways of power sources in a permissible range can be detected according to a phase detecting circuit. The two-way power supply is operated synchronized and closed. The circuit is simple and reliable. The automatic converting device and the controlling method with two ways of power sources capable of being simultaneously closed in short time are convenient to maintain and operate. The automatic converting device and the controlling method with two ways of power sources capable of being simultaneously closed in short time is further provided with functions of undervoltage, overvoltage, frequency, phase protection and the like. The fact that when electricity is supplied with power or the power supply is not interrupted, a power station is supplied with power or is converted ceaselessly is achieved.
Description
Technical field
The invention belongs to a kind of automatic transfer equipment, particularly relate in short-term closed automatic transfer equipment and control method of while of a kind of two-way power supply.
Background technology
At present power plant be electrical network networking power supply department be again electrical network networking electricity consumption department.When shutting down maintenance or other reason in generating equipments such as power plant's electric turbines when stopping to generate electricity, power plant will use the power supply grid power supply to plant area or miscellaneous equipment power supply; When generating equipment is generated electricity by way of merging two or more grid systems because the cost reason, power plant can use the power supply of self to carry out the power devices to plant area, when being changed to the self generating power supply by mains supply, because of power plant can basic guarantee two-way electrical network Phase synchronization, therefore need two-way power supply in short-term to be in simultaneously closure, the inapplicable power supply of rear disconnection networking guarantees can not occur the electric power network outage in transfer process; Implementation method uses the element overlap joints such as contactor, relay and the time relay to finish now, and line cost and failure rate are high, volume is large, difficult in maintenance.
Summary of the invention
The present invention for solve the technical problem that exists in the known technology provide a kind of line cost and failure rate is low, volume little, safeguard be relatively easy to the two-way power supply can be in short-term simultaneously automatic transfer equipment and the control method of closure.
The present invention for solve the technical problem that exists in the known technology for the two-way power supply can be in short-term simultaneously the technical scheme taked of closed automatic transfer equipment be: it includes two universal execute protection circuit breakers and a cover is carried out breaker controller; The first universal execute protection circuit breaker in described two universal execute protection circuit breakers be connected the first power supply of universal execute protection circuit breaker and be connected power supply signal collection and circuit phase acquisition circuit with second source and be connected with digital signal processor in the described execution breaker controller; Described the first universal execute protection circuit breaker be connected the auxiliary and warning Acquisition Circuit of universal execute protection circuit breaker and be connected with digital signal processor in the execute protection controller; Described the first universal execute protection circuit breaker be connected closure in the universal execute protection circuit breaker and shunt opening drive circuit and be connected with digital signal processor in the described execute protection controller; Described the first universal execute protection circuit breaker be connected motor-driven in the universal execute protection circuit breaker and energy storage state Acquisition Circuit and be connected with digital signal processor in the described execute protection controller.
The present invention for solve the technical problem that exists in the known technology for the two-way power supply can be in short-term simultaneously the technical scheme taked of the control method of closed automatic transfer equipment be:
Described two-way power supply is totally six road power supply via line phase-detection circuit and the supply voltage Acquisition Circuit that enter described automatic transfer equipment, enters the digital signal processor in the described execution breaker controller, in described execution breaker controller
Digital signal processor carry out that computing calculates the supply voltage effective value and the two-way power phase is poor; and set and operation is controlled closure and the disconnection of described described the first universal execute protection circuit breaker and the second universal execute protection circuit breaker by the closure in described the first universal execute protection circuit breaker and the second universal execute protection circuit breaker and shunt opening drive circuit according to the user, its concrete execution in step is as follows:
Automatic switch process:
When the first universal execute protection circuit breaker is in closure state:
1. detect residing described the first power supply of the first universal execute protection circuit breaker and whether break down, do not break down to return and withdraw from termination routine, the operation downwards of breaking down;
2. detect the residing described second source of described the second universal execute protection circuit breaker and whether break down, break down to return and withdraw from termination routine, the operation downwards of not breaking down;
3. Program time delay guarantees the accuracy of judgement of expection, avoids erroneous judgement disconnected;
4. drive described the first universal execute protection circuit breaker deenergization, stop load supplying;
5. judge whether described the first universal execute protection circuit breaker disconnects, disconnect, jump to and stop driver, carry out that the malfunction sign being set, return and withdraw from termination routine, then continue to carry out next step if described the first universal execute protection circuit breaker has disconnected;
6. drive described the second universal execute protection breaker closing, the power supply powering load;
7. judge whether described the second universal execute protection circuit breaker is closed, not closed, jump to and stop driver, carry out that the malfunction sign being set, return and withdraw from termination routine, if described the second universal execute protection circuit breaker closure normally then return and quit a program;
When described the second universal execute protection circuit breaker is in closure state:
1. detect the residing described second source of described the second universal execute protection circuit breaker and whether break down, do not break down to return and withdraw from termination routine, then carry out next step if break down;
2. detect residing described the first power supply of described the first universal execute protection circuit breaker and whether break down, break down to return and withdraw from termination routine, then do not carry out next step if break down;
3. Program time delay guarantees the accuracy of judgement of expection, avoids erroneous judgement disconnected;
4. drive described the second universal execute protection circuit breaker deenergization, stop load supplying;
5. judge whether described the second universal execute protection circuit breaker disconnects, disconnect, jump to and stop driver, carry out that the malfunction sign being set, return and withdraw from termination routine, then continue to carry out next step if described the second universal execute protection circuit breaker has disconnected;
6. drive described the first universal execute protection breaker closing, the power supply powering load;
7. judge whether described the second universal execute protection circuit breaker is closed, not closed, jump to and stop driver, carry out that the malfunction sign being set, return and withdraw from termination routine, if described the second universal execute protection circuit breaker closure normally then return and quit a program;
When being in circuit breaker, circuit breaker all is in complete minute state:
1. whether detect the residing line power of described the first universal execute protection circuit breaker breaks down, do not break down to jump to when circuit breaker is in the 6th step that described the second universal execute protection circuit breaker is in closure state and carry out, described the first power supply breaks down and continues to carry out downwards;
Whether 2 detect the residing described second source of described the second universal execute protection circuit breaker breaks down, do not break down to jump to when circuit breaker is in the 6th step that described the first universal execute protection circuit breaker is in closure state and carry out, described second source breaks down and continues to carry out downwards;
3 return and withdraw from.
The manual switch step:
When requiring described the first universal execute protection breaker closing:
1. detect described the first universal execute protection circuit breaker and whether be in closure state, described the first universal execute protection circuit breaker is closed, returns the end that quits a program, if described the first universal execute protection circuit breaker is not closed, continues to carry out next step;
2. detect described the second universal execute protection circuit breaker and whether be in closure state, described the second universal execute protection circuit breaker is not closed, return and carry out described the 1st step of the first universal execute protection breaker closing program, then return and withdraw from termination routine, if described the second universal execute protection circuit breaker closure then continue to carry out next step;
3. detect two-way power phase sync rates, judge whether to meet the requirements, if Phase synchronization meets the requirements, continue to carry out downwards, if Phase synchronization is undesirable, the redirect end that quits a program;
4. described the first universal execute protection breaker closing drops into described the first power supply to load supplying;
5. time-delay is waited for, guarantee that mechanism normally finishes to drive conversion, and the short time use of being incorporated into the power networks, the two-way power circuit is jointly to load supplying;
6. disconnect described the second universal execute protection circuit breaker, stop described first, second power supply two-way power circuit jointly to load supplying, finish whole process,
7 withdraw from and return termination routine;
When requiring described the second universal execute protection breaker closing:
1. detect described the second universal execute protection circuit breaker and whether be in closure state, described the second universal execute protection circuit breaker is closed, returns the end that quits a program, if described the second universal execute protection circuit breaker is not closed, continues to carry out next step,
2. detect described the first universal execute protection circuit breaker and whether be in closure state, described the first universal execute protection circuit breaker is not closed, jump to described the second universal execute protection breaker closing program of carrying out, then return and withdraw from termination routine, if described the first universal execute protection circuit breaker closure then continue to carry out next step;
3. detect two-way power phase sync rates, judge whether to meet the requirements, if Phase synchronization meets the requirements, continue to carry out downwards, if Phase synchronization is undesirable, the redirect end that quits a program;
4. described the second universal execute protection breaker closing drops into described the first power supply to load supplying;
5. time-delay is waited for, guarantee that mechanism normally finishes to drive conversion, and the short time use of being incorporated into the power networks, the two-way power circuit is jointly to load supplying;
6. disconnect described the first universal execute protection circuit breaker, stop the two-way power circuit jointly to load supplying, finish whole process,
7 withdraw from and return termination routine;
When requiring described first and second universal execute protection circuit breaker all to disconnect:
1. detect described the first universal execute protection circuit breaker and whether be in closure state, described the first universal execute protection circuit breaker is in open position, skips steps 2 execution in step 3; If described the first universal execute protection circuit breaker is in the close position, order continues to carry out next step;
2. driving described the first universal execute protection circuit breaker disconnects;
Whether be in the close position 3.. detect described the second universal execute protection circuit breaker, described the second universal execute protection circuit breaker is in open position, skips steps 4 complete returning; Described the second universal execute protection circuit breaker is in the close position, and order continues to carry out;
4. driving described the second universal execute protection circuit breaker disconnects;
5. complete returning.
Advantage and good effect that the present invention has are: can according to self phase detecting circuit in detecting the poor allowed band of duplex feeding power phase, have closed duplex feeding power supply in the simultaneously short time, the ability that is incorporated into the power networks.More generally use the circuit of the electric elements overlap joints such as relay, contactor, the time relay more simple, reliable, attended operation is convenient, the functions such as subsidiary under voltage, overvoltage, frequency and phase protection; The present invention in order to solve in the power-plant operation process power plant own can be in the situation of not cutting off the power supply fully during at mains supply by electrical network to power plant's power supply change to by the mode of power plant self power supply or by the state of power plant self power supply to the uninterrupted conversion by mains supply.
Description of drawings
Fig. 1 is the circuit theory diagrams of controller of the present invention;
Fig. 2 electrical schematic diagram;
Fig. 3 is automatic transfer process flow chart of the present invention;
Fig. 4 is manual switch process flow diagram of the present invention.
Embodiment
For further understanding content of the present invention, Characteristic, hereby exemplify following examples, and cooperate accompanying drawing to be described in detail as follows:
As shown in Figure 1, 2, the power supply signal collection of being connected with electric power network of universal execute protection circuit breaker 1 electric power network 1 of being connected with universal execute protection circuit breaker and circuit phase acquisition circuit are connected with digital signal processor in carrying out breaker controller; Auxiliary and the warning Acquisition Circuit that universal execute protection circuit breaker 1 is connected with universal execute protection circuit breaker is connected with the digital signal processor in the execute protection controller; Universal execute protection circuit breaker 1 and closure during universal execute protection circuit breaker is connected and shunt opening drive circuit are connected with digital signal processor in the execute protection controller; Universal execute protection circuit breaker 1 and motor-driven during universal execute protection circuit breaker is connected and energy storage state Acquisition Circuit are connected with digital signal processor in the execute protection controller.
Two-way power supply totally six road power supply via line enters the inner phase-detection circuit of converter device and supply voltage Acquisition Circuit, enter digital signal controller, undertaken by digital signal controller that computing calculates the supply voltage effective value and the two-way power phase is poor, and set and closure and the disconnection of operation by two omnipotent breakers of drive circuit control according to the user, its concrete execution in step sees that Fig. 3 is automatic transfer process block diagram, is described in detail as follows:
When circuit breaker is in circuit breaker 1 closure state, 1. detect circuit breaker 1 residing circuit 1 and whether break down, do not break down to return and withdraw from termination routine, the operation downwards of breaking down; 2. detect circuit breaker 2 residing circuit 2 power supplys and whether break down, break down to return and withdraw from termination routine, the operation downwards of not breaking down; 3. Program time delay guarantees the accuracy of judgement of expection, avoids erroneous judgement disconnected; 4. drive circuit breaker 1 deenergization, stop load supplying; 5. judge whether circuit breaker 1 disconnects, disconnect, jump to and stop driver, carry out the malfunction sign is set that return and withdraw from termination routine, circuit breaker has disconnected and continued to carry out; 6. drive circuit breaker 2 closures, power supply powering load; 7. judge whether circuit breaker 2 is closed, not closed, jumps to stop driver, carries out the malfunction sign is set, and returns and withdraws from termination routine, circuit breaker 2 closure normally returns and quits a program;
When circuit breaker is in circuit breaker 2 closure states, 1. detect circuit breaker 2 residing circuits 2 and whether break down, do not break down to return and withdraw from termination routine, the operation downwards of breaking down; 2. detect circuit breaker 1 residing circuit 1 power supply and whether break down, break down to return and withdraw from termination routine, the operation downwards of not breaking down; 3. Program time delay guarantees the accuracy of judgement of expection, avoids erroneous judgement disconnected; 4. drive circuit breaker 2 deenergizations, stop load supplying; 5. judge whether circuit breaker 2 disconnects, disconnect, jump to and stop driver, carry out the malfunction sign is set that return and withdraw from termination routine, circuit breaker has disconnected and continued to carry out; 6. drive circuit breaker 1 closure, power supply powering load; 7. judge whether circuit breaker 2 is closed, not closed, jumps to stop driver, carries out the malfunction sign is set, and returns and withdraws from termination routine, circuit breaker 2 closure normally returns and quits a program;
All being in complete minute state when circuit breaker is in circuit breaker: 1. whether detect circuit breaker 1 residing line power and break down, not breaking down, circuit 1 breaks down and continues to carry out downwards if jumping to the 6th step execution that is in circuit breaker 2 closure states when circuit breaker; Whether 2 detect circuit breaker 2 residing line powers breaks down, and does not break down to jump to the 6th step execution that is in circuit breaker 1 closure state when circuit breaker, and circuit 2 breaks down and continues to carry out downwards; 3 return release;
Fig. 4 is manual switch process block diagram, is described in detail as follows:
When requiring circuit breaker 1 closure: 1. detect circuit breaker 1 and whether be in closure state, circuit breaker 1 is closed, return the end that quits a program, circuit breaker 1 is not closed, continues to carry out, and 2. detects circuit breaker 2 and whether is in closure state, circuit breaker 2 is not closed, jump to and carry out circuit breaker 1 closed routine, then return and withdraw from termination routine, if the closed continuation of circuit breaker 2 is carried out; 3. detect two-way power phase sync rates, judge whether to meet the requirements, if Phase synchronization meets the requirements, continue to carry out downwards, if Phase synchronization is undesirable, the redirect end that quits a program; 4. circuit breaker 1 closure drops into circuit 1 power supply to load supplying; 5. time-delay is waited for, guarantee that mechanism normally finishes to drive conversion, and the short time use of being incorporated into the power networks, the two-way power circuit is jointly to load supplying; 6. cut-off breaker 2, stop the two-way power circuit jointly to load supplying, finish whole process, and 7 withdraw from and return termination routine;
When requiring circuit breaker 2 closures: 1. detect circuit breaker 2 and whether be in closure state, circuit breaker 2 is closed, return the end that quits a program, circuit breaker 2 is not closed, continues to carry out, and 2. detects circuit breaker 1 and whether is in closure state, circuit breaker 1 is not closed, jump to and carry out circuit breaker 2 closed routines, then return and withdraw from termination routine, if the closed continuation of circuit breaker 1 is carried out; 3. detect two-way power phase sync rates, judge whether to meet the requirements, if Phase synchronization meets the requirements, continue to carry out downwards, if Phase synchronization is undesirable, the redirect end that quits a program; 4. circuit breaker 2 closures drop into circuit 1 power supply to load supplying; 5. time-delay is waited for, guarantee that mechanism normally finishes to drive conversion, and the short time use of being incorporated into the power networks, the two-way power circuit is jointly to load supplying; 6. cut-off breaker 1, stops the two-way power circuit jointly to load supplying, finishes whole process, and 7 withdraw from and return termination routine;
When requiring circuit breaker all to disconnect: 1. detect circuit breaker 1 and whether be in closure state, circuit breaker 1 is in open position, skips steps 2 execution in step 3; Circuit breaker 1 is in the close position, and order continues to carry out; 2. driving circuit breaker 1 disconnects; Whether be in the close position 3.. detect circuit breaker 2, circuit breaker 2 is in open position, skips steps 4 complete returning; Circuit breaker 2 is in the close position, and order continues to carry out; 4. driving circuit breaker 2 disconnects; 5. complete returning.
Execute protection circuit breaker 1,2 is automatic energy storage, the driving power of energy storage motor is provided by Setup Controller, the energy storage state node that gathers execute protection circuit breaker 1,2 when controller is during for energy storage not, controller drives that energy storage motor that corresponding breaker energy storage drive circuit makes circuit breaker is charged to carry out energy storage, when motor is finished the automatic breakpoint of energy storage, controller gathers the energy storage state node when finishing energy storage, stops to drive accumulator; The closure of the low-pressure side execute protection omnipotent breaker of conversion equipment control duplex feeding power supply and shunt opening are finished the conversion of power supply in order to drive the closed and disconnected of circuit breaker; The circuit-breaker status of execute protection circuit breaker makes controller collect the operating state of circuit breaker by the Acquisition Circuit of the auxiliary and warning connecting breaker controller of itself.
Claims (2)
- A two-way power supply can be in short-term closed automatic transfer equipment simultaneously, it is characterized in that: it includes two universal execute protection circuit breakers and a cover is carried out breaker controller; The first universal execute protection circuit breaker in described two universal execute protection circuit breakers be connected the first power supply of universal execute protection circuit breaker and be connected power supply signal collection and circuit phase acquisition circuit with second source and be connected with digital signal processor in the described execution breaker controller; Described the first universal execute protection circuit breaker be connected the auxiliary and warning Acquisition Circuit of universal execute protection circuit breaker and be connected with digital signal processor in the execute protection controller; Described the first universal execute protection circuit breaker be connected closure in the universal execute protection circuit breaker and shunt opening drive circuit and be connected with digital signal processor in the described execute protection controller; Described the first universal execute protection circuit breaker be connected motor-driven in the universal execute protection circuit breaker and energy storage state Acquisition Circuit and be connected with digital signal processor in the described execute protection controller.
- A two-way power supply claimed in claim 1 can be in short-term the control method of closed automatic transfer equipment simultaneously; it is characterized in that: described two-way power supply is totally six road power supply via line phase-detection circuit and the supply voltage Acquisition Circuit that enter described automatic transfer equipment; enter the digital signal processor in the described execution breaker controller; undertaken by the digital signal processor in the described execution breaker controller that computing calculates the supply voltage effective value and the two-way power phase is poor; and set and operation is controlled closure and the disconnection of described described the first universal execute protection circuit breaker and the second universal execute protection circuit breaker by the closure in described the first universal execute protection circuit breaker and the second universal execute protection circuit breaker and shunt opening drive circuit according to the user, its concrete execution in step is as follows:Automatic switch process:When the first universal execute protection circuit breaker is in closure state:1. detect residing described the first power supply of the first universal execute protection circuit breaker and whether break down, do not break down to return and withdraw from termination routine, the operation downwards of breaking down;2. detect the residing described second source of described the second universal execute protection circuit breaker and whether break down, break down to return and withdraw from termination routine, the operation downwards of not breaking down;3. Program time delay guarantees the accuracy of judgement of expection, avoids erroneous judgement disconnected;4. drive described the first universal execute protection circuit breaker deenergization, stop load supplying;5. judge whether described the first universal execute protection circuit breaker disconnects, disconnect, jump to and stop driver, carry out that the malfunction sign being set, return and withdraw from termination routine, then continue to carry out next step if described the first universal execute protection circuit breaker has disconnected;6. drive described the second universal execute protection breaker closing, the power supply powering load;7. judge whether described the second universal execute protection circuit breaker is closed, not closed, jump to and stop driver, carry out that the malfunction sign being set, return and withdraw from termination routine, if described the second universal execute protection circuit breaker closure normally then return and quit a program;When described the second universal execute protection circuit breaker is in closure state:1. detect the residing described second source of described the second universal execute protection circuit breaker and whether break down, do not break down to return and withdraw from termination routine, then carry out next step if break down;2. detect residing described the first power supply of described the first universal execute protection circuit breaker and whether break down, break down to return and withdraw from termination routine, then do not carry out next step if break down;3. Program time delay guarantees the accuracy of judgement of expection, avoids erroneous judgement disconnected;4. drive described the second universal execute protection circuit breaker deenergization, stop load supplying;5. judge whether described the second universal execute protection circuit breaker disconnects, disconnect, jump to and stop driver, carry out that the malfunction sign being set, return and withdraw from termination routine, then continue to carry out next step if described the second universal execute protection circuit breaker has disconnected;6. drive described the first universal execute protection breaker closing, the power supply powering load;7. judge whether described the second universal execute protection circuit breaker is closed, not closed, jump to and stop driver, carry out that the malfunction sign being set, return and withdraw from termination routine, if described the second universal execute protection circuit breaker closure normally then return and quit a program;When being in circuit breaker, circuit breaker all is in complete minute state:1. whether detect the residing line power of described the first universal execute protection circuit breaker breaks down, do not break down to jump to when circuit breaker is in the 6th step that described the second universal execute protection circuit breaker is in closure state and carry out, described the first power supply breaks down and continues to carry out downwards;Whether 2 detect the residing described second source of described the second universal execute protection circuit breaker breaks down, do not break down to jump to when circuit breaker is in the 6th step that described the first universal execute protection circuit breaker is in closure state and carry out, described second source breaks down and continues to carry out downwards;3 return and withdraw from.The manual switch step:When requiring described the first universal execute protection breaker closing:1. detect described the first universal execute protection circuit breaker and whether be in closure state, described the first universal execute protection circuit breaker is closed, returns the end that quits a program, if described the first universal execute protection circuit breaker is not closed, continues to carry out next step;2. detect described the second universal execute protection circuit breaker and whether be in closure state, described the second universal execute protection circuit breaker is not closed, return and carry out described the 1st step of the first universal execute protection breaker closing program, then return and withdraw from termination routine, if described the second universal execute protection circuit breaker closure then continue to carry out next step;3. detect two-way power phase sync rates, judge whether to meet the requirements, if Phase synchronization meets the requirements, continue to carry out downwards, if Phase synchronization is undesirable, the redirect end that quits a program;4. described the first universal execute protection breaker closing drops into described the first power supply to load supplying;5. time-delay is waited for, guarantee that mechanism normally finishes to drive conversion, and the short time use of being incorporated into the power networks, the two-way power circuit is jointly to load supplying;6. disconnect described the second universal execute protection circuit breaker, stop described first, second power supply two-way power circuit jointly to load supplying, finish whole process,7 withdraw from and return termination routine;When requiring described the second universal execute protection breaker closing:1. detect described the second universal execute protection circuit breaker and whether be in closure state, described the second universal execute protection circuit breaker is closed, returns the end that quits a program, if described the second universal execute protection circuit breaker is not closed, continues to carry out next step,2. detect described the first universal execute protection circuit breaker and whether be in closure state, described the first universal execute protection circuit breaker is not closed, jump to described the second universal execute protection breaker closing program of carrying out, then return and withdraw from termination routine, if described the first universal execute protection circuit breaker closure then continue to carry out next step;3. detect two-way power phase sync rates, judge whether to meet the requirements, if Phase synchronization meets the requirements, continue to carry out downwards, if Phase synchronization is undesirable, the redirect end that quits a program;4. described the second universal execute protection breaker closing drops into described the first power supply to load supplying;5. time-delay is waited for, guarantee that mechanism normally finishes to drive conversion, and the short time use of being incorporated into the power networks, the two-way power circuit is jointly to load supplying;6. disconnect described the first universal execute protection circuit breaker, stop the two-way power circuit jointly to load supplying, finish whole process,7 withdraw from and return termination routine;When requiring described first and second universal execute protection circuit breaker all to disconnect:1. detect described the first universal execute protection circuit breaker and whether be in closure state, described the first universal execute protection circuit breaker is in open position, skips steps 2 execution in step 3; If described the first universal execute protection circuit breaker is in the close position, order continues to carry out next step;2. driving described the first universal execute protection circuit breaker disconnects;Whether be in the close position 3.. detect described the second universal execute protection circuit breaker, described the second universal execute protection circuit breaker is in open position, skips steps 4 complete returning; Described the second universal execute protection circuit breaker is in the close position, and order continues to carry out;4. driving described the second universal execute protection circuit breaker disconnects;5. complete returning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105492573A CN103066688A (en) | 2012-12-18 | 2012-12-18 | Automatic converting device and controlling method with two ways of power sources capable of being simultaneously closed in short time |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105492573A CN103066688A (en) | 2012-12-18 | 2012-12-18 | Automatic converting device and controlling method with two ways of power sources capable of being simultaneously closed in short time |
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|---|---|
| CN103066688A true CN103066688A (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012105492573A Pending CN103066688A (en) | 2012-12-18 | 2012-12-18 | Automatic converting device and controlling method with two ways of power sources capable of being simultaneously closed in short time |
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| CN (1) | CN103066688A (en) |
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| CN112771642A (en) * | 2018-05-09 | 2021-05-07 | Abb瑞士股份有限公司 | Automatic synchronizer of circuit breaker |
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Application publication date: 20130424 |