CN106100110A - The short-circuit protection method that zinc pot induction apparatus emergency service automatically switches - Google Patents
The short-circuit protection method that zinc pot induction apparatus emergency service automatically switches Download PDFInfo
- Publication number
- CN106100110A CN106100110A CN201610681936.4A CN201610681936A CN106100110A CN 106100110 A CN106100110 A CN 106100110A CN 201610681936 A CN201610681936 A CN 201610681936A CN 106100110 A CN106100110 A CN 106100110A
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- China
- Prior art keywords
- power supply
- power
- normal
- zinc pot
- decompression
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/30—Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S20/00—Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
- Y04S20/20—End-user application control systems
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Stand-By Power Supply Arrangements (AREA)
Abstract
The invention discloses the short-circuit protection method that a kind of zinc pot induction apparatus emergency service automatically switches; it is characterized in that; including: zinc pot normal power supply decompression; giving when other current supply circuit is normal, the step that has a power failure and only transformer-supplied loop decompression, other current supply circuit send time normal, have a power failure step.The present invention has can disconnect the control node that automatic time delay puts into, and uses emergency power supply manually to put into switch.After accurately judging power failure phenomenon and position, carry out manual confirmation emergency power supply input.Meanwhile, its main control power supply is changed into UPS is powered by originally taking from major loop.Guarantee major loop power-off alarm signal and alarm bell beneficial effect the most timely and effectively.
Description
Technical field
The present invention relates to short-circuit protection method, the short-circuit protection that a kind of zinc pot induction apparatus emergency service automatically switches
Method.
Background technology
Former Ajax zinc pot induction apparatus main power supply switched system is: the normal power supply of zinc pot induction apparatus is by TR11 transformator
Major loop provides.Also has a set of emergency power supply loop simultaneously.It is in emergency circumstances putting into operation in major loop power-off
Emergency use current supply circuit.Stand-by power supply or urgent diesel generator group are by two groups of active/standby power supply (energy storage) choppers
Automatic time delay switching puts into stand-by power supply.Meanwhile, have also been devised the control loop that stand-by power supply manually puts into.In case automatically engaging
When function breaks down, remain to use manual function to complete back-up power source and put into.Guarantee that back-up power source can be thrown in time
Enter to run.
When zinc pot induction apparatus the supplied load of major loop chopper is broken down, because the buffer action of its chopper is the most electric
Source automatically engages can normal power supply；When short circuit or earth fault occur in its major loop chopper or major loop inlet wire, because of this section
Interlock protection is not designed in loop, then Emergency Power automatic time delay will result in serious failure propagation when putting into.It addition, zinc pot sense
What the main control power supply answering device was quoted is the main circuit power of himself.When main circuit power occurs that above-mentioned fault will be unable to report
Alert.
Summary of the invention
The invention aims to solve the deficiency that above-mentioned background technology exists, propose one and can effectively carry out short circuit guarantor
The short-circuit protection method that the zinc pot induction apparatus emergency service protected automatically switches.
In order to realize object above, the short-circuit protection that a kind of zinc pot induction apparatus emergency service that the present invention provides automatically switches
Method, it is characterised in that comprise the steps:
1) zinc pot normal power supply decompression, giving when other current supply circuit is normal, have a power failure step:
1.1) personnel on duty must confirm only zinc pot normal power supply loop decompression, and miscellaneous equipment is powered normally, then stood
I.e. arriving zinc pot power cabinet control room to check, judge decompression reason, emphasis checks induction apparatus major loop chopper and wiring, foundation
Decompression situation makes respective handling:
1.2) because zinc pot power supply switching cabinet stand-by power supply has been constantly in electricity condition, urgent power distribution cabinet power.Once
Normal power source is cut off, and carries out stand-by power supply manual switching the most immediately:
1.2.1) backup power source voltage detection white indicating light should be bright；
1.2.2) back-up breaker energy storage is designated as Charged OK, the otherwise energy storage of manual operation crank；
1.2.3) back-up circuit READY green indicating lamp is bright；
1.2.4) on main circuit breaker, press separating brake OPEN button；
1.2.5) on back-up breaker, press combined floodgate CLOSE button；
1.2.6) back-up circuit load supplying normal white display lamp is bright,
1.3) switch board working condition is checked: power supply switches backup power source voltage detection cashier's office in a shop and normal two of load supplying
White indicating light can be bright；Main operation panel is manually removed warning；Check that eight fan works are the most normal；Check four senses
Answer device work the most normal,
1.4) checking that power location residing for four induction apparatuss is the most normal: when normal power source is powered, two zinc pots no matter
Being parked in and where can carry out high-low power automatic switchover, on auxiliary guidance panel, corresponding high power connects display lamp or low
Power-on display lamp can be bright；When stand-by power supply is powered, the zinc pot on parking stall only has low-power, and the zinc pot of working position only keeps
Power.Instruction is connected according to diverse location the holding power-on display lamp H36 of correspondence, low-power on two main operation panels
Lantern festival is bright,
1.5) processing normal power supply loop fault, after normal power supply recovers, zinc pot power supply needs manually to switch back to from stand-by power supply
Normal main power source；
1.5.1) normal power voltage detection white indicating light can be bright；
1.5.2) main circuit breaker energy storage is designated as Charged OK, the otherwise energy storage of manual operation crank；
1.5.3) major loop READY green indicating lamp is bright；
1.5.4) back-up circuit breaker open operation OPEN button is pressed；
1.5.5) main power source breaker closing CLOSE button is pressed；
1.5.6) major loop load supplying normal white display lamp is bright,
1.6) check switch board, induction apparatus, fan work situation, stand-by power supply normally work instruction, remove warning, normally
Rear personnel on duty can leave.
As the preferred version of the present invention, 2) only transformer-supplied loop decompression, other current supply circuit send time normal, stops
Electricity step:
2.1) personnel on duty must confirm power-off condition, arrives zinc pot power cabinet control room immediately after and checks, judges decompression
Reason, emphasis checks induction apparatus major loop chopper and wiring thereof, makes respective handling according to decompression situation, if zinc pot power
Cabinet control room is normal, carries out stand-by power supply manual switching immediately, then checks to entrance motor room,
2.2) when the dual power supply automatic switching device of urgent power distribution cabinet is normal, mode switch is dialled at " automatic mode ", the most just
Often electric power incoming line cabinet decompression, this device can send startup diesel engine instruction, after diesel engine starting, if feed voltage is stable, cabinet
Chopper closes a floodgate immediately,
2.3) if dual power supply automatic switching device do not send startup diesel engine instruction, first press this device reset by
Button, then mode switch is dialled in emergency service pattern, now terminal: 23/24 should have 220AC to export, and diesel engine can start；As
Fruit remotely controls failure, arrives diesel oil machine room immediately and starts diesel engine on the spot,
2.4) confirming that zinc pot stand-by power supply cabinet closes a floodgate, and have people to check zinc pot working condition immediately, zinc pot should be still
Work under main power source；
2.5) manually close stove smoke exhaust fan switch board power supply, and notify that zinc pot main behaviour room starts smoke exhaust fan,
2.6) normal power supply loop fault is processed, if the time of process is the longest, diesel consumption half, should notify to adjust at once
Degree room supply diesel oil, needs after service restoration manually from diesel engine loop switchback power transformation device current supply circuit,
2.7) confirm that urgent distribution normal power source incoming line cabinet has been subject to electricity, then dual power supply automatic switching device mode of operation
Switch is dialled in " normal power supply pattern ", now diesel engine stop, and emergency service chopper disconnects, normal power supply breaker closing；
After completing the work of manual switching, mode switch reverses " automatic mode " again,
2.8) manually close stove smoke exhaust fan switch board power supply, and notify that zinc pot main behaviour room starts smoke exhaust fan,
2.9) resume production.
Further, the breaker control circuit of described urgent power distribution cabinet and dual power supply automatic switching device are by UPS distribution
Cabinet is powered, and the mode selection switch of dual power supply automatic switching device is dialled at " automatic mode ", and chopper does not closes a floodgate, but must advance
To link position.
The present invention can disconnect the control node that automatic time delay puts into, and uses emergency power supply manually to put into switch.In standard
After really judging power failure phenomenon and position, carry out manual confirmation emergency power supply input.Meanwhile, by its main control power supply by
Originally took from major loop to change UPS into and power.Guarantee that major loop power-off alarm signal and alarm bell are the most timely and effective.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described.
Embodiment: a kind of zinc pot induction apparatus emergency service automatically switch short-circuit protection method, it is characterised in that include as
Lower step:
1) zinc pot normal power supply decompression, giving when other current supply circuit is normal, have a power failure step:
1.1) personnel on duty must confirm only zinc pot normal power supply loop decompression, and miscellaneous equipment is powered normally, then stood
I.e. arriving zinc pot power cabinet control room to check, judge decompression reason, emphasis checks induction apparatus major loop chopper and wiring, foundation
Decompression situation makes respective handling:
1.2) because zinc pot power supply switching cabinet stand-by power supply has been constantly in electricity condition, urgent power distribution cabinet power.Once
Normal power source is cut off, and carries out stand-by power supply manual switching the most immediately:
1.2.1) backup power source voltage detection white indicating light should be bright；
1.2.2) back-up breaker energy storage is designated as Charged OK, the otherwise energy storage of manual operation crank；
1.2.3) back-up circuit READY green indicating lamp is bright；
1.2.4) on main circuit breaker, press separating brake OPEN button；
1.2.5) on back-up breaker, press combined floodgate CLOSE button；
1.2.6) back-up circuit load supplying normal white display lamp is bright,
1.3) switch board working condition is checked: power supply switches backup power source voltage detection cashier's office in a shop and normal two of load supplying
White indicating light can be bright；Main operation panel is manually removed warning；Check that eight fan works are the most normal；Check four senses
Answer device work the most normal,
1.4) checking that power location residing for four induction apparatuss is the most normal: when normal power source is powered, two zinc pots no matter
Being parked in and where can carry out high-low power automatic switchover, on auxiliary guidance panel, corresponding high power connects display lamp or low
Power-on display lamp can be bright；When stand-by power supply is powered, the zinc pot on parking stall only has low-power, and the zinc pot of working position only keeps
Power.Instruction is connected according to diverse location the holding power-on display lamp H36 of correspondence, low-power on two main operation panels
Lantern festival is bright,
1.5) processing normal power supply loop fault, after normal power supply recovers, zinc pot power supply needs manually to switch back to from stand-by power supply
Normal main power source；
1.5.1) normal power voltage detection white indicating light can be bright；
1.5.2) main circuit breaker energy storage is designated as Charged OK, the otherwise energy storage of manual operation crank；
1.5.3) major loop READY green indicating lamp is bright；
1.5.4) back-up circuit breaker open operation OPEN button is pressed；
1.5.5) main power source breaker closing CLOSE button is pressed；
1.5.6) major loop load supplying normal white display lamp is bright,
1.6) check switch board, induction apparatus, fan work situation, stand-by power supply normally work instruction, remove warning, normally
Rear personnel on duty can leave.
2, the short-circuit protection method that zinc pot induction apparatus emergency service according to claim 1 automatically switches, its feature
It is:
2) only having transformer-supplied loop decompression, other current supply circuit send time normal, have a power failure step:
2.1) personnel on duty must confirm power-off condition, arrives zinc pot power cabinet control room immediately after and checks, judges decompression
Reason, emphasis checks induction apparatus major loop chopper and wiring thereof, makes respective handling according to decompression situation, if zinc pot power
Cabinet control room is normal, carries out stand-by power supply manual switching immediately, then checks to entrance motor room,
2.2) when the dual power supply automatic switching device of urgent power distribution cabinet is normal, mode switch is dialled at " automatic mode ", the most just
Often electric power incoming line cabinet decompression, this device can send startup diesel engine instruction, after diesel engine starting, if feed voltage is stable, tightly
Anxious power distribution cabinet chopper closes a floodgate immediately,
2.3) if dual power supply automatic switching device do not send startup diesel engine instruction, first press this device reset by
Button, then mode switch is dialled in emergency service pattern, now terminal: 23/24 should have 220AC to export, and diesel engine can start；As
Fruit remotely controls failure, arrives diesel oil machine room immediately and starts diesel engine on the spot,
2.4) confirming that zinc pot stand-by power supply cabinet closes a floodgate, and have people to check zinc pot working condition immediately, zinc pot should be still
Work under main power source；
2.5) manually close stove smoke exhaust fan switch board power supply, and notify that zinc pot main behaviour room starts smoke exhaust fan,
2.6) normal power supply loop fault is processed, if the time of process is the longest, diesel consumption half, should notify to adjust at once
Degree room supply diesel oil, needs after service restoration manually from diesel engine loop switchback power transformation device current supply circuit,
2.7) confirm that urgent distribution normal power source incoming line cabinet has been subject to electricity, then dual power supply automatic switching device mode of operation
Switch is dialled in " normal power supply pattern ", now diesel engine stop, and emergency service chopper disconnects, normal power supply breaker closing；
After completing the work of manual switching, mode switch reverses " automatic mode " again,
2.8) manually close stove smoke exhaust fan switch board power supply, and notify that zinc pot main behaviour room starts smoke exhaust fan,
2.9) resume production.
Breaker control circuit and the dual power supply automatic switching device of above-mentioned urgent power distribution cabinet are powered by UPS power distribution cabinet, double
The mode selection switch of automatic power-supply switch is dialled at " automatic mode ", and chopper does not closes a floodgate, but must be advanced to connect position
Put.
The present invention can be prevented effectively from the failure propagation caused because of the switching of active/standby power supply automatic time delay.And can lead back
Remain to during the power-off of road provide effective alarm signal and alarm bell prompting.To protection galvanization production line most important key equipment zinc
Pot induction apparatus serves protective effect.
The above, be only presently preferred embodiments of the present invention, and not the structure to the present invention is done any pro forma
Limit.Every any simple modification, equivalent variations and modification above example made according to the technical spirit of the present invention, all
Still fall within the range of technical scheme.
Claims (3)
1. the short-circuit protection method that a zinc pot induction apparatus emergency service automatically switches, it is characterised in that comprise the steps:
1) zinc pot normal power supply decompression, giving when other current supply circuit is normal, have a power failure step:
1.1) personnel on duty must confirm only zinc pot normal power supply loop decompression, and miscellaneous equipment is powered normally, arrived immediately after
Zinc pot power cabinet control room is checked, is judged decompression reason, and emphasis checks induction apparatus major loop chopper and wiring thereof, according to decompression
Situation makes respective handling:
1.2) because zinc pot power supply switching cabinet stand-by power supply has been constantly in electricity condition, urgent power distribution cabinet power.The most normal
Power supply is cut off, and carries out stand-by power supply manual switching the most immediately:
1.2.1) backup power source voltage detection white indicating light should be bright；
1.2.2) back-up breaker energy storage is designated as Charged OK, the otherwise energy storage of manual operation crank；
1.2.3) back-up circuit READY green indicating lamp is bright；
1.2.4) on main circuit breaker, press separating brake OPEN button；
1.2.5) on back-up breaker, press combined floodgate CLOSE button；
1.2.6) back-up circuit load supplying normal white display lamp is bright,
1.3) switch board working condition is checked: power supply switches backup power source voltage detection cashier's office in a shop and normal two whites of load supplying
Display lamp can be bright；Main operation panel is manually removed warning；Check that eight fan works are the most normal；Check four induction apparatuss
Work is the most normal,
1.4) check that the power location residing for four induction apparatuss is the most normal: when normal power source is powered, no matter two zinc pots are parked in
Where can carry out high-low power automatic switchover, on auxiliary guidance panel, corresponding high power connects display lamp or low-power
Connecting display lamp can be bright；When stand-by power supply is powered, the zinc pot on parking stall only has low-power, and the zinc pot of working position only keeps merit
Rate.Display lamp is connected according to diverse location the holding power-on display lamp H36 of correspondence, low-power on two main operation panels
Can be bright,
1.5) processing normal power supply loop fault, after normal power supply recovers, zinc pot power supply needs manually to switch back to normally from stand-by power supply
Main power source；
1.5.1) normal power voltage detection white indicating light can be bright；
1.5.2) main circuit breaker energy storage is designated as Charged OK, the otherwise energy storage of manual operation crank；
1.5.3) major loop READY green indicating lamp is bright；
1.5.4) back-up circuit breaker open operation OPEN button is pressed；
1.5.5) main power source breaker closing CLOSE button is pressed；
1.5.6) major loop load supplying normal white display lamp is bright,
1.6) check switch board, induction apparatus, fan work situation, stand-by power supply normally work instruction, remove and report to the police, normally after when
Class personnel can leave.
The short-circuit protection method that zinc pot induction apparatus emergency service the most according to claim 1 automatically switches, it is characterised in that:
2) only having transformer-supplied loop decompression, other current supply circuit send time normal, have a power failure step:
2.1) personnel on duty must confirm power-off condition, arrives zinc pot power cabinet control room immediately after and checks, judges decompression reason,
Emphasis checks induction apparatus major loop chopper and wiring thereof, makes respective handling according to decompression situation, if zinc pot power cabinet control
Room processed is normal, carries out stand-by power supply manual switching immediately, then checks to entrance motor room,
2.2) when the dual power supply automatic switching device of urgent power distribution cabinet is normal, mode switch is dialled at " automatic mode ", once normal electricity
Source incoming line cabinet decompression, this device can send startup diesel engine instruction, after diesel engine starting, if feed voltage is stable, promptly join
Electricity cabinet breaker closes a floodgate immediately,
2.3) if dual power supply automatic switching device does not send startup diesel engine instruction, this device SR is first pressed,
Again mode switch is dialled in emergency service pattern, now terminal: 23/24 should have 220AC to export, and diesel engine can start；If
Remotely control failure, arrive diesel oil machine room immediately and start diesel engine on the spot,
2.4) confirming that zinc pot stand-by power supply cabinet closes a floodgate, and have people to check zinc pot working condition immediately, zinc pot should still led
Work under power supply；
2.5) manually close stove smoke exhaust fan switch board power supply, and notify that zinc pot main behaviour room starts smoke exhaust fan,
2.6) normal power supply loop fault is processed, if the time of process is the longest, diesel consumption half, should notify control room at once
Supply diesel oil, needs after service restoration manually from diesel engine loop switchback power transformation device current supply circuit,
2.7) confirm that urgent distribution normal power source incoming line cabinet, by electricity, then switchs dual power supply automatic switching device mode of operation
Dialling in " normal power supply pattern ", now diesel engine stop, emergency service chopper disconnects, normal power supply breaker closing；Complete
After the work of manual switching, mode switch reverses " automatic mode " again,
2.8) manually close stove smoke exhaust fan switch board power supply, and notify that zinc pot main behaviour room starts smoke exhaust fan,
2.9) resume production.
The short-circuit protection method that zinc pot induction apparatus emergency service the most according to claim 2 automatically switches, it is characterised in that:
Breaker control circuit and the dual power supply automatic switching device of described urgent power distribution cabinet are powered by UPS power distribution cabinet, and dual power supply is automatic
The mode selection switch of switching device is dialled at " automatic mode ", and chopper does not closes a floodgate, but must be advanced to link position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610681936.4A CN106100110B (en) | 2016-08-18 | 2016-08-18 | The short-circuit protection method that zinc pot inductor emergency service automatically switches |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610681936.4A CN106100110B (en) | 2016-08-18 | 2016-08-18 | The short-circuit protection method that zinc pot inductor emergency service automatically switches |
Publications (2)
| Publication Number | Publication Date |
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| CN106100110A true CN106100110A (en) | 2016-11-09 |
| CN106100110B CN106100110B (en) | 2018-10-16 |
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ID=58070919
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610681936.4A Active CN106100110B (en) | 2016-08-18 | 2016-08-18 | The short-circuit protection method that zinc pot inductor emergency service automatically switches |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107623256A (en) * | 2017-10-25 | 2018-01-23 | 中石化中原石油工程有限公司西南钻井分公司 | Switch cubicle and its control method |
| CN108462251A (en) * | 2017-02-17 | 2018-08-28 | 施耐德电器工业公司 | The source of method and this method of implementation for monitoring source switching switch switches switch |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021136306A1 (en) * | 2019-12-31 | 2021-07-08 | 广东美的白色家电技术创新中心有限公司 | Heating circuit |
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| CN101917058A (en) * | 2010-08-26 | 2010-12-15 | 深圳市国立智能电力科技有限公司 | Method and system for switching backup power supply |
| CN102447302A (en) * | 2010-09-30 | 2012-05-09 | 苏州捷泰科信息技术有限公司 | Main-standby power supply switching control method and device |
| CN104810919A (en) * | 2015-05-18 | 2015-07-29 | 安徽鑫龙电器股份有限公司 | Automatic switching device and method based on standby power supply |
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| CN101710733A (en) * | 2009-12-09 | 2010-05-19 | 中国石油大学(北京) | Dual-power rapid switching control device and method |
| CN101917058A (en) * | 2010-08-26 | 2010-12-15 | 深圳市国立智能电力科技有限公司 | Method and system for switching backup power supply |
| CN102447302A (en) * | 2010-09-30 | 2012-05-09 | 苏州捷泰科信息技术有限公司 | Main-standby power supply switching control method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108462251A (en) * | 2017-02-17 | 2018-08-28 | 施耐德电器工业公司 | The source of method and this method of implementation for monitoring source switching switch switches switch |
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| CN107623256A (en) * | 2017-10-25 | 2018-01-23 | 中石化中原石油工程有限公司西南钻井分公司 | Switch cubicle and its control method |
| CN107623256B (en) * | 2017-10-25 | 2023-08-01 | 中石化中原石油工程有限公司西南钻井分公司 | Switch cabinet and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106100110B (en) | 2018-10-16 |
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