CN113555951A

CN113555951A - Configuration method of uninterrupted power system in low-load operation mode

Info

Publication number: CN113555951A
Application number: CN202110807413.0A
Authority: CN
Inventors: 翁振邦; 熊经纬; 朱龙彪; 滕家乐
Original assignee: Shanghai Securities Data Service Co ltd
Current assignee: Shanghai Securities Data Service Co ltd
Priority date: 2021-07-16
Filing date: 2021-07-16
Publication date: 2021-10-26

Abstract

The invention relates to the technical field of operation and maintenance of Uninterrupted Power Supply (UPS) equipment, in particular to a configuration method of an uninterrupted power supply system in a low-load operation mode, wherein the uninterrupted power supply system comprises a plurality of groups of mutually standby UPS units connected with a power supply, the UPS units respectively comprise 4 groups of UPS equipment which are operated in parallel, and the UPS units are connected with a test load box and machine room equipment through an output cabinet; and the starting number of the UPS equipment is controlled through the load rate of the equipment in the machine room. According to the configuration method of the uninterruptible power supply system in the low-load operation mode, when the load rate of equipment in a machine room is greater than 0% and less than or equal to 22.5%, energy consumption can be saved by about 50%; when the load is more than 22.5 percent and less than or equal to 33.75 percent, the energy consumption can be saved by about 25 percent, and the service life of the UPS can be expected to be prolonged by more than 2 years.

Description

Configuration method of uninterrupted power system in low-load operation mode

Technical Field

The invention relates to the technical field of operation and maintenance of UPS equipment, in particular to a configuration method of an UPS system in a low-load operation mode.

Background

Ups (uninterruptible power system) is an english abbreviation of uninterruptible power system, and is an important external device capable of providing continuous, stable and uninterrupted power supply. The UPS can continuously supply power to the load under the condition of no breakpoint, can ensure that the computer system does not lose information and data, can ensure that the disk surface or the magnetic head of the disk is not damaged, and can ensure that the equipment can still normally operate without errors when power is cut off. With the advent of the information-oriented society, the UPS is widely used in various links from information collection, transmission, processing, storage to application. The importance of postal service, telecommunication, mobile, financial security, hospital, electric power, military, petrochemical, industrial and mining enterprises, and various universities and colleges is increasing with the increasing importance of information application.

Generally, a common load rate of a UPS system in a data center machine room is about 10%, and the UPS system is in a low load rate for a long time, and the UPS system itself generally includes a plurality of UPS devices, and internal energy consumption of the UPS devices when converting electric energy is far higher than energy consumption consumed by a load. In general, UPS systems use bypass power to reduce losses due to the rectifier and inverter during energy conversion. However, in the chinese patent "201510117545.5", the UPS system is switched between the ECO mode and the normal mode, and the power processing module of one UPS unit is turned off, or the power processing modules of all UPS units are awakened to achieve the purpose of reducing energy consumption, but this processing method is complicated, and since the load condition is easy to change, the power processing module of the UPS is turned off and awakened many times, which also causes much energy consumption.

Disclosure of Invention

The invention aims to solve the defects of the prior art and provides a UPS configuration method which is simple and convenient in processing mode and convenient to control.

In order to achieve the above purpose, a configuration method of an uninterruptible power supply system in a low-load operation mode is designed, the uninterruptible power supply system includes a plurality of groups of mutually standby UPS units connected with a power supply, the UPS units each include 4 groups of UPS devices running in parallel, and the UPS units are connected with a test load box and a machine room device through an output cabinet; the specific configuration method comprises the following steps:

s1), when the load rate of the equipment in the machine room is detected to be larger than 0% and smaller than or equal to 22.5%, the UPS system is configured to be in a 2+2 mode, 2 pieces of UPS equipment run normally, and 2 pieces of UPS equipment are in a shutdown cold standby mode; when 1 of the UPS equipment in operation fails, the other 1 UPS equipment in normal operation continues to operate to ensure uninterrupted power supply of the equipment in the machine room; before the fault UPS is repaired, operation and maintenance personnel can further ensure uninterrupted power supply of equipment in a machine room by starting the UPS equipment in the shutdown cold standby mode

S2), when the load rate of the equipment in the machine room is detected to be larger than 22.5% and smaller than or equal to 33.75%, the UPS system is configured to be in a 3+1 mode, 3 UPS equipment normally runs, and 1 UPS is in a shutdown cold standby mode; when 1 of the normally-operated UPS equipment fails, the other 2 normally-operated UPS equipment continues to operate to ensure uninterrupted power supply of the equipment in the machine room; before the fault UPS is repaired, operation and maintenance personnel can further ensure uninterrupted power supply of equipment in a machine room by starting the UPS equipment in the shutdown cold standby mode;

s3), when the load rate of the equipment in the machine room is detected to be larger than 33.75% and smaller than or equal to 45%, the UPS system is configured to be in a 4+0 mode, and 4 UPS devices run normally to guarantee uninterrupted power supply of the equipment in the machine room.

The invention also has the following preferable technical scheme:

furthermore, the UPS unit is connected with a power supply through the bus coupler cabinet.

Further, the UPS equipment comprises a UPS input cabinet, a UPS battery cabinet and a UPS output cabinet.

Further, the UPS unit further includes a bypass cabinet.

Advantageous effects of the invention

The advantages of the configuration method of the uninterruptible power supply system in the low-load operation mode provided by the invention include but are not limited to: 1) when the load is more than 0% and less than or equal to 22.5%, the UPS system is configured to be in a 2+2 mode, compared with a 4+0 mode configured by the original UPS system, the mode can save energy consumption by about 50% through calculation, and meanwhile, the service life of the UPS is expected to be prolonged by more than 2 years.

2) When the load is more than 22.5 percent and less than or equal to 33.75 percent, the UPS system is configured to be in a 3+1 mode, and compared with a 4+0 mode configured by the original UPS system, the mode can save energy consumption by about 25 percent through calculation, and meanwhile, the service life of the UPS is expected to be prolonged by more than 2 years.

Drawings

Fig. 1 is a schematic diagram illustrating an uninterruptible power supply system in a low load operation mode according to an exemplary embodiment of the present invention;

fig. 2 is a schematic structural diagram illustrating an ups system with a load of 0-22.5% in a low load operating mode according to the present invention;

fig. 3 is a schematic diagram illustrating the structure of the ups system under a load of 22.5-33.75% in a low load operation mode according to the present invention;

fig. 4 is a schematic diagram illustrating the structure of an uninterruptible power supply system under a load of 33.75-45% in a low-load operation mode according to an exemplary embodiment of the present invention;

in the figure: 1. the UPS unit comprises a power supply 2, a UPS input cabinet 3, a UPS battery cabinet 4, a UPS output cabinet 5, a UPS bypass cabinet 6, an output cabinet 7, a test load box 8, a machine room terminal 9, a bus coupler cabinet 10 and a standby UPS unit.

Detailed Description

The technical solutions adopted by the present invention are further explained below by the accompanying drawings and examples, so that those skilled in the art can better understand the present invention.

Referring to fig. 1, the preferred embodiment of the uninterruptible power supply system in the low load operation mode provided by the present invention includes two UPS units, wherein one UPS unit is in a use state, the other standby UPS unit is connected to the power supply through the bus coupler, and the UPS unit and the standby UPS unit in the use state are mutually standby, so as to ensure that when one UPS unit fails, the other standby UPS unit can continue to operate, thereby ensuring stable operation of equipment in a machine room.

In a UPS unit in use, 4 groups of parallel connected UPS devices are included, the UPS devices comprising in sequence: UPS input cabinet, the UPS battery cabinet and the UPS output cabinet of installing the battery of being connected with the power, still included the bypass cabinet in the UPS unit, bypass cabinet and UPS output cabinet all are connected to the output cabinet, through test load case and computer lab equipment are connected respectively to the output cabinet. By detecting the equipment in the machine room, the real-time load rate of the equipment in the machine room can be obtained.

Referring to fig. 2, when it is detected that the load factor of the equipment in the equipment room is greater than 0% and less than or equal to 22.5%, the UPS system is configured in a 2+2 mode, and 2 pieces of UPS equipment in the UPS unit are normally operated, and the other 2 pieces of UPS equipment are in a shutdown cold standby mode; if 1 of the UPS equipment in operation has a fault, the other 1 UPS equipment in normal operation can still continue to work, and uninterrupted power supply of the equipment in the machine room is guaranteed; before the fault UPS is repaired, operation and maintenance personnel can further ensure uninterrupted power supply of equipment in the machine room by starting the UPS equipment in the shutdown cold standby mode.

Referring to fig. 3, when it is detected that the load factor of the equipment in the machine room is greater than 22.5% and less than or equal to 33.75%, the UPS system is configured in a 3+1 mode, 3 UPS devices run normally, and 1 UPS device is in a shutdown cold standby mode; when 1 of the normally-operated UPS equipment fails, the other 2 normally-operated UPS equipment continues to operate to ensure uninterrupted power supply of the equipment in the machine room; before the fault UPS is repaired, operation and maintenance personnel can further ensure uninterrupted power supply of equipment in the machine room by starting the UPS equipment in the shutdown cold standby mode.

Referring to fig. 4, when it is detected that the load factor of the equipment in the equipment room is greater than 33.75% and less than or equal to 45%, the UPS system is configured in a 4+0 mode, and all 4 pieces of UPS equipment operate normally, so that uninterrupted power supply of the equipment in the equipment room is ensured.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be within the technical scope of the present invention, and the technical solutions and novel concepts according to the present invention should be covered by the scope of the present invention.

Claims

1. A configuration method of an uninterrupted power system in a low-load operation mode is characterized in that the uninterrupted power system comprises a plurality of groups of mutually standby UPS units connected with a power supply, wherein each UPS unit comprises 4 groups of UPS equipment which operates in parallel, and is connected with a test load box and machine room equipment through an output cabinet; the configuration method comprises the following steps: s1), when the load rate of the equipment in the machine room is detected to be larger than 0% and smaller than or equal to 22.5%, the UPS system is configured to be in a 2+2 mode, 2 pieces of UPS equipment run normally, and 2 pieces of UPS equipment are in a shutdown cold standby mode; when 1 of the UPS equipment in operation fails, the other 1 UPS equipment in normal operation continues to operate to ensure uninterrupted power supply of the equipment in the machine room; before the fault UPS is repaired, operation and maintenance personnel can further ensure uninterrupted power supply of equipment in a machine room by starting the UPS equipment in the shutdown cold standby mode; s2), when the load rate of the equipment in the machine room is detected to be larger than 22.5% and smaller than or equal to 33.75%, the UPS system is configured to be in a 3+1 mode, 3 UPS equipment normally runs, and 1 UPS is in a shutdown cold standby mode; when 1 of the normally-operated UPS equipment fails, the other 2 normally-operated UPS equipment continues to operate to ensure uninterrupted power supply of the equipment in the machine room; before the fault UPS is repaired, operation and maintenance personnel can further ensure uninterrupted power supply of equipment in a machine room by starting the UPS equipment in the shutdown cold standby mode; s3), when the load rate of the equipment in the machine room is detected to be larger than 33.75% and smaller than or equal to 45%, the UPS system is configured to be in a 4+0 mode, and 4 UPS devices run normally to guarantee uninterrupted power supply of the equipment in the machine room.

2. The method as claimed in claim 1, wherein the UPS units are connected to the power source through a buscouple cabinet.

3. The method of claim 1, wherein the UPS equipment includes a UPS input cabinet, a UPS battery cabinet, and a UPS output cabinet.

4. The method of claim 3, wherein the UPS unit further comprises a bypass cabinet.