CN113937877A - Zero-second switching system for generator set and mains supply - Google Patents
Zero-second switching system for generator set and mains supply Download PDFInfo
- Publication number
- CN113937877A CN113937877A CN202111259815.8A CN202111259815A CN113937877A CN 113937877 A CN113937877 A CN 113937877A CN 202111259815 A CN202111259815 A CN 202111259815A CN 113937877 A CN113937877 A CN 113937877A
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- Prior art keywords
- load
- generator set
- power
- mains supply
- energy storage
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- 238000004146 energy storage Methods 0.000 claims abstract description 35
- 238000000034 method Methods 0.000 description 9
- 238000012423 maintenance Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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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
- H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
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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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
-
- 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
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- 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
- H02J9/08—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 requiring starting of a prime-mover
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Stand-By Power Supply Arrangements (AREA)
Abstract
The invention discloses a zero-second switching system of a generator set and a mains supply, which comprises: a load; the commercial power is connected with the load and used for supplying power to the load; the generator set is connected with the load and used for supplying power to the load; the energy storage equipment is connected with the load, the generator set and the mains supply and is used for supplying power to the load; and the switching module is connected with the load, the commercial power, the generator set and the energy storage equipment and is used for switching a power supply for supplying power to the load. According to the invention, the energy storage device is added between the generator set and the mains supply, so that when the mains supply fails, the energy storage device supplies power to the load firstly until the generator set starts to supply power, the power supply can be prevented from being interrupted, the power supply can be switched without gaps, the load can be ensured to run all the time, and the running cannot be forced to stop.
Description
Technical Field
The invention relates to the technical field of power supply, in particular to a zero-second switching system of a generator set and mains supply.
Background
The power generating set and the commercial power are often required to be matched to supply power for the load in some special power supply occasions, when the commercial power is in failure, the power generating set is operated to supply power for the load, but the operation time of the power generating set is probably 8-12 seconds, no electric energy is supplied to the load in the period, so that the load is forced to pause, in some occasions requiring continuous operation of the load, the load is forced to pause to cause a large amount of damage, and a zero-second switching system of the power generating set and the commercial power is required.
Disclosure of Invention
According to an embodiment of the present invention, there is provided a zero-second switching system between a generator set and a commercial power, including:
a load;
the commercial power is connected with the load and used for supplying power to the load;
the generator set is connected with the load and used for supplying power to the load;
the energy storage equipment is connected with the load, the generator set and the mains supply and is used for supplying power to the load;
and the switching module is connected with the load, the commercial power, the generator set and the energy storage equipment and is used for switching a power supply for supplying power to the load.
Further, the switching module comprises:
the switching assembly is connected with the mains supply, the load, the generator set and the energy storage equipment;
one end of the signal detector is connected with the mains supply and is used for detecting the mains supply;
and the controller is connected with the other end of the signal detector, the switching component and the generator set.
Further, the switching component comprises:
the first change-over switch is connected with the commercial power and the load;
and the second change-over switch is connected with the first change-over switch, the generator set and the energy storage equipment.
Further, the method also comprises the following steps: and the electric quantity detector is connected with the controller and the energy storage equipment and is used for detecting the electric quantity of the energy storage equipment.
Further, the method also comprises the following steps: and the alarm is connected with the controller and used for giving a fault alarm.
Further, the method also comprises the following steps: and the wireless signal transmitter is connected with the controller and is in signal connection with the remote terminal.
Further, when the commercial power and the generator set exist simultaneously, the commercial power is supplied preferentially.
According to the zero-second switching system of the generator set and the mains supply, the energy storage device is added between the generator set and the mains supply, so that when the mains supply fails, the energy storage device can be used for supplying power to the load firstly until the generator set starts to supply power, the power supply can be prevented from being interrupted, the power supply can be switched without gaps, the load can be ensured to run all the time, and the running cannot be forced to stop.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and are intended to provide further explanation of the claimed technology.
Drawings
Fig. 1 is a block diagram of a zero-second switching system of a generator set and a commercial power according to an embodiment of the invention.
Detailed Description
The present invention will be further explained by describing preferred embodiments of the present invention in detail with reference to the accompanying drawings.
First, a zero-second switching system of a generator set and a commercial power according to an embodiment of the present invention will be described with reference to fig. 1, which is used for zero-second switching of a power supply, and the application scenarios of the zero-second switching system are wide.
As shown in fig. 1, the zero-second switching system of the generator set and the commercial power of the embodiment of the present invention includes a load 1, a commercial power 2, a generator set 3, an energy storage device 4, and a switching module.
Specifically, as shown in fig. 1, in this embodiment, the utility power 2 is connected to the load 1, and is configured to supply power to the load 1, the generator set 3 is connected to the load 1, and is configured to supply power to the load 1, the energy storage device 4 is connected to the load 1, and the generator set 3 and the utility power 2 are connected to the load 1, and the switching module is connected to the load 1, the utility power 2, the generator set 3 and the energy storage device 4, and is configured to switch the power supply to the load 1, and the power supply to the load 1 can be switched at will through the switching module, so that when the utility power 2 fails, the generator set 3 is powered by the energy storage device 4 and the generator set 3 is operated, and after the generator set 3 is started, the generator set 3 supplies power to the load 1, and the redundant power is charged to the energy storage device 4, so that the load 1 can always keep an operating state, and no interruption occurs.
Further, as shown in fig. 1, in this embodiment, the switching module includes: a switching assembly, a signal detector 52, and a controller 53. The switching component is connected with the mains supply 2, the load 1, the generator set 3 and the energy storage device 4, the switching component is used for switching a power supply of the load 1, one end of the signal detector 52 is connected with the mains supply 2 and used for detecting the mains supply 2, and the controller 53 is connected with the other end of the signal detector 52, the switching component and the generator set 3 and used for controlling the switching component.
Further, as shown in fig. 1, in the present embodiment, the switching component includes: a first switch 511 and a second switch 512.
The first switch 511 is connected to the commercial power 2 and the load 1 for controlling the power supply of the commercial power 2, the second switch 512 is connected to the first switch 511, the generator set 3 and the energy storage device 4, and the second switch module is used for controlling the power supply of the generator set 3 and the energy storage device 4.
Further, as shown in fig. 1, in this embodiment, the zero-second switching system between the generator set and the utility power further includes: the electric quantity detector 6, the electric quantity detector 6 links to each other with controller 53 and energy storage equipment 4 for detect energy storage equipment 4's electric quantity, when electric quantity detector 6 detects that energy storage equipment 4 is full of electricity, send out the signal and remind, do not charging energy storage equipment 4.
Further, as shown in fig. 1, in this embodiment, the zero-second switching system between the generator set and the utility power further includes: and the alarm 7 is connected with the controller 53, is used for giving a fault alarm and giving an alarm prompt, and is convenient for fault maintenance.
Further, as shown in fig. 1, in this embodiment, the zero-second switching system between the generator set and the utility power further includes: and the wireless signal transmitter 8 is connected with the controller 53, and the wireless signal transmitter 8 is in signal connection with a remote terminal and is used for remotely generating signal data to obtain fault information.
Further, as shown in fig. 1, in this embodiment, when the utility power 2 and the generator set 3 exist simultaneously, the utility power 2 supplies power preferentially, so as to ensure the sufficiency of the power supply.
When in use, the load 1 is supplied with power via the mains 2, and when the mains 2 fails, the signal detector 52 detects this, and transmits the fault signal to the controller 53, and the controller 53 controls the first switch 511 and the second switch 512 to allow the energy storage device 4 to supply power to the load 1, and the generator set 3 is started until the energy storage device 4 does not supply power after the energy source of the generator set 3 is supplied, the generator set 3 supplies power to the load 1, and the redundant electric quantity is charged to the energy storage device 4, zero second switching between the generator set 3 and the commercial power 2 is realized, the load 1 is ensured to operate all the time, and the controller 53 controls the alarm 7 to perform fixed alarm, and the controller 53 sends a signal to the remote terminal through the wireless signal transmitter 8 to send a fault signal, so that the maintenance of workers is facilitated.
In the scheme, an energy storage device 4 is added between a generator set 3 and a mains supply 2, so that when the mains supply 2 fails, the energy storage device 4 supplies power to the load 1 until the generator set 3 starts to supply power, the power can be prevented from being interrupted, the power can be switched without gaps, and the load 1 can be ensured to run all the time and cannot be forced to stop running.
It should be noted that, in the present specification, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
While the present invention has been described in detail with reference to the preferred embodiments, it should be understood that the above description should not be taken as limiting the invention. Various modifications and alterations to this invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be determined from the following claims.
Claims (7)
1. The utility model provides a generating set and commercial power zero second switched systems which characterized in that contains:
a load;
the commercial power is connected with the load and used for supplying power to the load;
the generator set is connected with the load and used for supplying power to the load;
the energy storage equipment is connected with the load, the generator set and the mains supply and is used for supplying power to the load;
and the switching module is connected with the load, the commercial power, the generator set and the energy storage equipment and is used for switching a power supply for supplying power to the load.
2. The system of claim 1, wherein the switching module comprises:
the switching assembly is connected with the mains supply, the load, the generator set and the energy storage equipment;
one end of the signal detector is connected with the mains supply and is used for detecting the mains supply;
and the controller is connected with the other end of the signal detector, the switching component and the generator set.
3. The system of claim 2, wherein the switching assembly comprises:
the first change-over switch is connected with the commercial power and the load;
and the second change-over switch is connected with the first change-over switch, the generator set and the energy storage equipment.
4. The zero-second switching system for the generator set and the mains supply according to claim 2, further comprising: and the electric quantity detector is connected with the controller and the energy storage device and is used for detecting the electric quantity of the energy storage device.
5. The zero-second switching system for the generator set and the mains supply according to claim 2, further comprising: and the alarm is connected with the controller and used for giving a fault alarm.
6. The zero-second switching system for the generator set and the mains supply according to claim 2, further comprising: and the wireless signal transmitter is connected with the controller and is in signal connection with a remote terminal.
7. The zero-second switching system for a generator set and a mains supply according to claim 1, wherein the mains supply is preferentially supplied when the mains supply and the generator set are simultaneously present.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111259815.8A CN113937877A (en) | 2021-10-28 | 2021-10-28 | Zero-second switching system for generator set and mains supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111259815.8A CN113937877A (en) | 2021-10-28 | 2021-10-28 | Zero-second switching system for generator set and mains supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113937877A true CN113937877A (en) | 2022-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111259815.8A Pending CN113937877A (en) | 2021-10-28 | 2021-10-28 | Zero-second switching system for generator set and mains supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113937877A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204633459U (en) * | 2015-04-15 | 2015-09-09 | 杨昌达 | A kind of intelligent power supply system realizing generator and civil power seamless switching |
| CN110571915A (en) * | 2019-09-19 | 2019-12-13 | 浙江工业大学 | An intelligent energy storage power supply vehicle uninterruptible power supply system device and control method thereof |
| CN216413989U (en) * | 2021-10-28 | 2022-04-29 | 上海能富机电成套设备有限公司 | Zero-second switching system for generator set and mains supply |
-
2021
- 2021-10-28 CN CN202111259815.8A patent/CN113937877A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204633459U (en) * | 2015-04-15 | 2015-09-09 | 杨昌达 | A kind of intelligent power supply system realizing generator and civil power seamless switching |
| CN110571915A (en) * | 2019-09-19 | 2019-12-13 | 浙江工业大学 | An intelligent energy storage power supply vehicle uninterruptible power supply system device and control method thereof |
| CN216413989U (en) * | 2021-10-28 | 2022-04-29 | 上海能富机电成套设备有限公司 | Zero-second switching system for generator set and mains supply |
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