CN112366812A - Energy-saving mode control method and device of uninterruptible power supply - Google Patents

Energy-saving mode control method and device of uninterruptible power supply Download PDF

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Publication number
CN112366812A
CN112366812A CN202011231790.6A CN202011231790A CN112366812A CN 112366812 A CN112366812 A CN 112366812A CN 202011231790 A CN202011231790 A CN 202011231790A CN 112366812 A CN112366812 A CN 112366812A
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China
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power supply
generator
load
energy
loop
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CN202011231790.6A
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不公告发明人
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Zhou Yajuan
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Shenzhen Zhonghanyun Technology Co ltd
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Priority to CN202011231790.6A priority Critical patent/CN112366812A/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04Circuit 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
    • H02J9/06Circuit 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
    • H02J9/08Circuit 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
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30Systems 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
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS 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
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20End-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 an energy-saving mode control method and device of an uninterruptible power supply, electronic equipment and a storage medium, wherein the method comprises the following steps: when the power supply system is in a generator power supply mode and the maintaining time of the power supply system in the generator power supply mode reaches a specified time, judging whether the load carrying rate of the generator reaches a specified threshold value; if so, controlling the uninterruptible power supply of the power supply system to enter an energy-saving mode, thereby improving the utilization rate of the energy-saving mode.

Description

Energy-saving mode control method and device of uninterruptible power supply
Technical Field
The present invention relates to the field of power supply technologies, and in particular, to a method and an apparatus for controlling an energy saving mode of an uninterruptible power supply, an electronic device, and a storage medium.
Background
In the field of data centers, a backup generator is often configured as a backup Power source when a utility Power fails, and an Uninterruptible Power Supply (UPS) is used to ensure that the entire switching process is supplied with Power uninterruptedly during the switching process between the utility Power and the backup generator. The UPS is a constant voltage and constant frequency UPS that includes an energy storage device and an inverter as a main component. The device is mainly used for providing uninterrupted power supply for a single computer, a computer network system or other power electronic equipment. When the mains supply input is normal, the UPS supplies the mains supply to the load for use after stabilizing the voltage of the mains supply, and the UPS is an alternating current mains supply voltage stabilizer and also charges a built-in battery; when the commercial power is interrupted (power failure in accident), the UPS immediately supplies 220V alternating current to the load by the electric energy of the battery in the UPS through an inversion conversion method, so that the load can maintain normal work and the software and hardware of the load are protected from being damaged.
Currently, the economy run (ECO) mode is one way for a UPS to operate with reduced power protection, with the aim of improving power efficiency and saving energy. The ECO mode can save energy, but the energy saving is very small, and the energy saving is at the cost of sacrificing a certain degree of power protection and reliability, when the utility power is normally supplied, if the UPS starts the ECO mode, the bypass of the UPS generally supplies power to the load and allows the utility power input to directly supply power to the load, that is, the load will be exposed to the unregulated utility power access, resulting in the load being interfered by the power quality of the utility power. Most users do not consider that it is worth to sacrifice power protection and reliability to such an extent for energy saving, so that the ECO mode of the UPS is advertised as a function by many manufacturers, but the ECO mode of the UPS has not been widely used, resulting in low utilization rate.
In the prior art, some methods for controlling an ECO mode of a UPS system are proposed, for example, in a patent "a method for controlling an ECO mode of a UPS system and a control system" (published japanese 2015.06.24, published CN104731300A) applied in china, by turning off or turning on some UPS units according to current load attributes in a bypass state of the UPS system, reliable operation of the system is ensured, energy is saved to the maximum extent, and operation efficiency of the UPS system is improved, so that the system can meet the optimization requirement of operation efficiency in different operation environments. However, it aims to improve the operation efficiency of the UPS system, and still cannot improve the utilization rate of the ECO mode of the UPS.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides an energy-saving mode control method and device of an uninterruptible power supply, electronic equipment and a storage medium, and the utilization rate of the energy-saving mode can be improved.
In order to solve the technical problems, the technical scheme of the invention is as follows:
the first aspect of the embodiment of the invention discloses an energy-saving mode control method of an uninterruptible power supply, which comprises the following steps:
when a power supply system is in a generator power supply mode and the maintaining time of the power supply system in the generator power supply mode reaches a specified time, judging whether the load factor of a generator reaches a specified threshold value;
and if the load factor of the generator reaches the specified threshold value, controlling the uninterruptible power supply of the power supply system to enter an energy-saving mode.
Further, still include:
judging whether a mains supply loop of the power supply system is normal or not;
if the commercial power supply loop is abnormal, controlling a machine body battery of an uninterruptible power supply of the power supply system to supply power to a load, and controlling the power supply system to be switched from the commercial power supply loop to a generator power supply loop so that a generator supplies power to the load in the process that the machine body battery of the uninterruptible power supply supplies power to the load;
when the power supply system is switched from the commercial power supply loop to the generator power supply loop, the power supply system is judged to be in the generator power supply mode.
Further, still include:
when the generator supplies power to the load, whether the power supply loop of the generator is normal or not is judged, and if not, the body battery of the uninterruptible power supply is controlled to supply power to the load.
Further, after the controlling the uninterruptible power supply of the power supply system to enter the energy saving mode, the method further includes:
and if the commercial power supply loop returns to be normal and the loss of the power supply signal of the generator power supply loop is detected, controlling the uninterruptible power supply to exit the energy-saving mode.
A second aspect of the present invention discloses an energy-saving mode control device for an uninterruptible power supply, including:
the first judgment unit is used for judging whether the load carrying rate of the generator reaches a specified threshold value when a power supply system is in a generator power supply mode and the maintaining time of the power supply system in the generator power supply mode reaches the specified time;
and the energy-saving control unit is used for controlling the uninterrupted power supply of the power supply system to enter an energy-saving mode when the first judging unit judges that the load rate of the generator reaches the specified threshold value.
Further, still include:
the second judgment unit is used for judging whether a mains supply loop of the power supply system is normal or not;
the uninterruptible power supply unit is used for controlling an organism battery of an uninterruptible power supply of the power supply system to supply power to a load when the second judging unit judges that the commercial power supply loop is abnormal;
the switching control unit is used for controlling the power supply system to be switched from the commercial power supply loop to the generator power supply loop so that the generator supplies power to the load when the second judging unit judges that the commercial power supply loop is abnormal and the uninterrupted power supply unit controls the machine body battery of the uninterrupted power supply to supply power to the load;
and the judging unit is used for judging that the power supply system is in the power supply mode of the generator when the power supply system is switched from the commercial power supply loop to the power supply loop of the generator, and triggering the first judging unit to execute the operation of judging whether the loading rate of the generator reaches a specified threshold value when the power supply system is in the power supply mode of the generator and the maintaining time of the power supply system in the power supply mode of the generator reaches the specified time.
Furthermore, the uninterruptible power supply unit is further configured to determine whether the generator power supply loop is normal after the switching control unit controls the power supply system to switch from the mains supply loop to the generator power supply loop so that the generator supplies power to the load, and if not, control the body battery of the uninterruptible power supply to supply power to the load.
Furthermore, the energy-saving control unit is further configured to, after controlling an uninterruptible power supply of the power supply system to enter an energy-saving mode, if the utility power supply loop returns to normal and a power supply signal of the generator power supply loop is detected to be lost, control the uninterruptible power supply to exit the energy-saving mode.
A third aspect of an embodiment of the present invention discloses an electronic device, including:
a memory storing executable program code;
a processor coupled with the memory;
the processor calls the executable program code stored in the memory to execute the energy-saving mode control method of the uninterruptible power supply disclosed by the first aspect of the embodiment of the invention.
A fourth aspect of the embodiments of the present invention discloses a computer-readable storage medium, where the computer-readable storage medium stores a computer program, where the computer program enables a computer to execute the energy saving mode control method for an uninterruptible power supply disclosed in the first aspect of the embodiments of the present invention. The computer readable storage medium includes a ROM/RAM, a magnetic or optical disk, or the like.
A fifth aspect of the embodiments of the present invention discloses a computer program product, which, when running on a computer, causes the computer to perform part or all of the steps of any one of the methods of the first aspect.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that: the invention discloses an energy-saving mode control method and device of an uninterruptible power supply, which judge whether the load carrying rate of a generator reaches a specified threshold value or not when a power supply system is in a generator power supply mode and the maintaining time of the power supply system in the generator power supply mode reaches a specified time, if so, control the uninterruptible power supply of the power supply system to enter the energy-saving mode, so that the energy-saving mode of the uninterruptible power supply can be started after the power supply system is in the generator power supply mode and is stable and meets related conditions, further the utilization rate of the energy-saving mode can be improved, meanwhile, the load is effectively prevented from being interfered by the power quality of commercial power, the output power of the generator is reduced.
Drawings
Fig. 1 is a flowchart of an energy saving mode control method of an uninterruptible power supply according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of an energy-saving mode control device of an uninterruptible power supply according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Wherein: 201. a first judgment unit; 202. an energy saving control unit; 301. a memory; 302. a processor.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
the technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
Example 1
As shown in fig. 1, the present embodiment provides a method for controlling an energy saving mode of an uninterruptible power supply, including the following steps:
s1: when the power supply system is in the power supply mode of the generator and the maintaining time of the power supply system in the power supply mode of the generator reaches a specified time, judging whether the load carrying rate of the generator reaches a specified threshold value.
Alternatively, the power supply system may be a power supply system of a server of a data center, which may include a plurality of power supply modes, such as a generator power supply mode, a utility power supply mode, and the like, and the power supply system may supply power to a load in any power supply mode.
The load may be one or more (internet Technology, IT) devices such as a power electronic device, a computer device, or a server of a data center.
Alternatively, the execution subject of the embodiment of the present invention may be a relay or a Programmable Logic Controller (PLC) or other execution devices, and is not limited in particular herein.
The specific values of the specified duration and the specified threshold can be set by developers. The generator can be a water turbine, a steam turbine, a diesel engine or other power mechanical driving devices.
When the power supply system is in a generator power supply mode and is maintained for a certain period of time, the load rate of the engine can be obtained by calculating the ratio of the current load value of the engine to the full load peak value of the engine, and the load rate is compared with a specified threshold value.
Optionally, before step S1, the following steps may be further included:
s0.1: judging whether a mains supply loop of a power supply system is normal or not;
as an optional implementation manner, in step S0.1, the power supply system may be in a mains power supply mode, and then it may be determined whether a fault signal of the mains power is detected, and if so, it is determined that the mains power supply loop is abnormal; if not, the commercial power supply loop is judged to be normal.
As another optional implementation, in step S0.1, it may also be determined whether a loss of a power supply signal of a mains supply circuit of the power supply system is detected, and if the loss is detected, it is determined that the mains supply circuit is abnormal; if the loss is not detected, the commercial power supply loop is judged to be normal.
S0.2: if the mains supply loop is abnormal, controlling a machine body battery of an uninterruptible power supply of the power supply system to supply power to the load, and controlling the power supply system to be switched from the mains supply loop to a generator power supply loop so that the generator supplies power to the load in the process that the machine body battery of the uninterruptible power supply supplies power to the load;
optionally, when the power supply system is in a mains supply mode, the UPS is in a normal online mode, and charges its own body battery, so that when an abnormality occurs in the mains supply loop, the power of its body battery is used to supply power to the load, so that the power supply system can uninterruptedly supply power to the load in a process of switching from the mains supply loop to the generator power supply loop, so that the load can maintain normal operation and protect the load from damage to hardware and software.
Optionally, when the generator supplies power to the load, that is, after the power supply system is controlled to be switched from the mains supply circuit to the generator power supply circuit, whether the generator power supply circuit is normal or not may be further determined, and if not, the body battery of the uninterruptible power supply is controlled to supply power to the load. The method for judging whether the power supply loop of the generator is normal specifically includes judging whether a power supply signal of the power supply loop of the generator is detected to be lost, and if the power supply signal of the power supply loop of the generator is detected to be lost, judging that the power supply loop of the generator is abnormal; and if the loss is not detected, judging that the power supply loop of the generator is normal.
S0.3: and when the power supply system is switched from the commercial power supply loop to the generator power supply loop, judging that the power supply system is in a generator power supply mode.
S2: and if the load rate of the generator reaches a specified threshold value, controlling the uninterruptible power supply of the power supply system to enter an energy-saving mode.
It should be noted that the generator is considered as a local reliable power source compared to the utility power, and therefore, when the power supply system is in the generator power supply mode, the power quality is much higher than that of the power supply system in the utility power supply mode. Therefore, the UPS is controlled to enter the ECO mode when the power supply system is in the power supply mode of the generator and is maintained for a specified time and the load factor of the starting motor is judged to reach a specified threshold value, so that the utilization rate of the ECO mode can be improved, the quality interference of the mains supply is avoided, and the output power of the generator can be reduced.
Optionally, after step S2, the following steps may be further included:
and if the mains supply loop returns to normal and the loss of the power supply signal of the generator power supply loop is detected, controlling the uninterruptible power supply to exit the energy-saving mode. If the mains supply loop returns to normal, the condition that the power supply loop of the power supply system is switched from the generator power supply loop to the mains supply loop is considered to be met, then the machine body battery of the uninterruptible power supply of the power supply system can be controlled to supply power to the load, in the process that the machine body battery of the uninterruptible power supply supplies power to the load, the power supply system is controlled to be switched from the generator power supply loop to the mains supply loop, and in the process, if the power supply signal of the generator power supply loop is detected to be lost, the uninterruptible power supply is controlled to exit the energy-saving mode.
Therefore, the situation that the load is interfered by the power quality of the commercial power when the power supply system runs in the energy-saving mode in the commercial power supply mode can be avoided, and the utilization rate of the energy-saving mode is improved while the load safety is guaranteed.
Wherein the normal online mode is resumed after the UPS exits the ECO mode.
The embodiment provides an energy-saving mode control method of an uninterruptible power supply, which judges whether the load carrying rate of a generator reaches a specified threshold value when a power supply system is in a generator power supply mode and the duration of the power supply system in the generator power supply mode reaches the specified duration, and controls the uninterruptible power supply of the power supply system to enter the energy-saving mode if the load carrying rate of the generator reaches the specified threshold value, so that the energy-saving mode of the uninterruptible power supply can be started after the power supply system is in the generator power supply mode and is stable and meets related conditions, the utilization rate of the energy-saving mode can be improved, meanwhile, the load is effectively prevented from being interfered by the power quality of commercial power.
Example 2
As shown in fig. 2, the present embodiment provides an energy saving mode control device for an uninterruptible power supply, which includes a first determining unit 201 and an energy saving control unit 202, wherein:
a first judging unit 201, configured to judge whether a load factor of the generator reaches a specified threshold when the power supply system is in the generator power supply mode and a duration of the power supply system being in the generator power supply mode reaches the specified duration;
and the energy-saving control unit 202 is configured to control the uninterruptible power supply of the power supply system to enter an energy-saving mode when the first judging unit 201 judges that the load factor of the starting motor reaches a specified threshold.
Alternatively, the energy saving mode control apparatus of the uninterruptible power supply shown in fig. 2 may further include the following units, not shown:
the second judgment unit is used for judging whether a mains supply loop of the power supply system is normal or not;
the uninterrupted power supply unit is used for controlling an organism battery of an uninterrupted power supply of the power supply system to supply power to the load when the second judgment unit judges that the commercial power supply loop is abnormal;
the switching control unit is used for controlling the power supply system to be switched from the commercial power supply loop to the generator power supply loop so that the generator supplies power to the load when the second judging unit judges that the commercial power supply loop is abnormal and the uninterrupted power supply unit controls the machine body battery of the uninterrupted power supply to supply power to the load;
the judging unit is used for judging that the power supply system is in a generator power supply mode when the power supply system is switched from the commercial power supply loop to the generator power supply loop, and triggering the first judging unit to execute the operation of judging whether the loading rate of the generator reaches a specified threshold value when the power supply system is in the generator power supply mode and the maintaining time of the power supply system in the generator power supply mode reaches the specified time.
Optionally, the uninterruptible power supply unit is further configured to determine whether the generator power supply loop is normal after the switching control unit controls the power supply system to be switched from the utility power supply loop to the generator power supply loop so that the generator supplies power to the load, and if not, control a body battery of the uninterruptible power supply to supply power to the load.
Optionally, the energy-saving control unit 202 is further configured to, after controlling the uninterruptible power supply of the power supply system to enter the energy-saving mode, if the utility power supply loop returns to normal and a power supply signal of the generator power supply loop is detected to be lost, control the uninterruptible power supply to exit the energy-saving mode.
Correspondingly, the uninterruptible power supply unit can be used for controlling a machine body battery of the uninterruptible power supply of the power supply system to supply power to the load after the energy-saving control unit controls the uninterruptible power supply to exit the energy-saving mode; and the switching control unit can also be used for controlling the power supply system to be switched from the generator power supply loop to the commercial power supply loop when the commercial power supply loop returns to normal and in the process that the uninterrupted power supply unit controls the machine body battery of the uninterrupted power supply to supply power to the load.
The embodiment provides an energy-saving mode control device of an uninterruptible power supply, when a power supply system is in a generator power supply mode and a maintaining time of the power supply system in the generator power supply mode reaches a specified time, whether the load carrying rate of a generator reaches a specified threshold value is judged, if so, the uninterruptible power supply of the power supply system is controlled to enter the energy-saving mode, so that the energy-saving mode of the uninterruptible power supply can be started after the power supply system is in the generator power supply mode and is stable and meets related conditions, the utilization rate of the energy-saving mode can be improved, meanwhile, the load is effectively prevented from being interfered by the power quality of mains supply, the output power of the generator is reduced.
Example 3
As shown in fig. 3, the present embodiment provides an electronic device, including:
a memory 301 storing executable program code;
a processor 302 coupled to the memory 301;
the processor 302 calls the executable program code stored in the memory 301 to execute the method for controlling the energy saving mode of the ups described in the above embodiments.
It should be noted that the electronic device shown in fig. 3 may further include a speaker module, a camera module, a display screen, a light projection module, a battery module, a wireless communication module (such as a mobile communication module, a Wi-Fi module, an RF circuit, a bluetooth module, etc.), a sensor module (such as a proximity sensor, a pressure sensor, etc.), an input module (such as a microphone, an input key), a user interface module (such as a charging interface, an external power supply interface, a card slot, a wired headset interface, etc.), and other undisplayed components, which is not described in detail in this embodiment.
The embodiment of the application discloses a computer-readable storage medium, which stores a computer program, wherein the computer program enables a computer to execute the energy-saving mode control method of the uninterruptible power supply described in the above embodiments.
The embodiments of the present application also disclose a computer program product, wherein, when the computer program product runs on a computer, the computer is caused to execute part or all of the steps of the method as in the above method embodiments.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. An energy-saving mode control method of an uninterruptible power supply is characterized by comprising the following steps:
when a power supply system is in a generator power supply mode and the maintaining time of the power supply system in the generator power supply mode reaches a specified time, judging whether the load factor of a generator reaches a specified threshold value;
and if the load factor of the generator reaches the specified threshold value, controlling the uninterruptible power supply of the power supply system to enter an energy-saving mode.
2. The method of claim 1, further comprising:
judging whether a mains supply loop of the power supply system is normal or not;
if the commercial power supply loop is abnormal, controlling a machine body battery of an uninterruptible power supply of the power supply system to supply power to a load, and controlling the power supply system to be switched from the commercial power supply loop to a generator power supply loop so that a generator supplies power to the load in the process that the machine body battery of the uninterruptible power supply supplies power to the load;
when the power supply system is switched from the commercial power supply loop to the generator power supply loop, the power supply system is judged to be in the generator power supply mode.
3. The method of claim 2, further comprising:
when the generator supplies power to the load, whether the power supply loop of the generator is normal or not is judged, and if not, the body battery of the uninterruptible power supply is controlled to supply power to the load.
4. The method of claim 2, wherein after the controlling the uninterruptible power supply of the power supply system to enter the energy saving mode, the method further comprises:
and if the commercial power supply loop returns to be normal and the loss of the power supply signal of the generator power supply loop is detected, controlling the uninterruptible power supply to exit the energy-saving mode.
5. An energy-saving mode control device of an uninterruptible power supply, comprising:
the first judgment unit is used for judging whether the load carrying rate of the generator reaches a specified threshold value when a power supply system is in a generator power supply mode and the maintaining time of the power supply system in the generator power supply mode reaches the specified time;
and the energy-saving control unit is used for controlling the uninterrupted power supply of the power supply system to enter an energy-saving mode when the first judging unit judges that the load rate of the generator reaches the specified threshold value.
6. The apparatus of claim 5, further comprising:
the second judgment unit is used for judging whether a mains supply loop of the power supply system is normal or not;
the uninterruptible power supply unit is used for controlling an organism battery of an uninterruptible power supply of the power supply system to supply power to a load when the second judging unit judges that the commercial power supply loop is abnormal;
the switching control unit is used for controlling the power supply system to be switched from the commercial power supply loop to the generator power supply loop so that the generator supplies power to the load when the second judging unit judges that the commercial power supply loop is abnormal and the uninterrupted power supply unit controls the machine body battery of the uninterrupted power supply to supply power to the load;
and the judging unit is used for judging that the power supply system is in the power supply mode of the generator when the power supply system is switched from the commercial power supply loop to the power supply loop of the generator, and triggering the first judging unit to execute the operation of judging whether the loading rate of the generator reaches a specified threshold value when the power supply system is in the power supply mode of the generator and the maintaining time of the power supply system in the power supply mode of the generator reaches the specified time.
7. The apparatus as claimed in claim 6, wherein the uninterruptible power supply unit is further configured to determine whether the generator power supply loop is normal after the switching control unit controls the power supply system to switch from the utility power supply loop to the generator power supply loop so that the generator supplies power to the load, and if not, control a body battery of the uninterruptible power supply to supply power to the load.
8. The apparatus according to claim 6, wherein the energy-saving control unit is further configured to, after controlling the uninterruptible power supply of the power supply system to enter the energy-saving mode, control the uninterruptible power supply to exit the energy-saving mode if the utility power supply loop returns to normal and a power supply signal of the generator power supply loop is detected to be lost.
9. An electronic device, comprising:
a memory storing executable program code;
a processor coupled with the memory;
the processor calls the executable program code stored in the memory to execute the energy-saving mode control method of the uninterruptible power supply of any one of claims 1 to 4.
10. A computer-readable storage medium storing a computer program, wherein the computer program causes a computer to execute the power saving mode control method of an uninterruptible power supply according to any one of claims 1 to 4.
CN202011231790.6A 2020-11-06 2020-11-06 Energy-saving mode control method and device of uninterruptible power supply Pending CN112366812A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114837756A (en) * 2022-05-06 2022-08-02 西安热工研究院有限公司 Back-heating power generation system based on BEST steam turbine

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