CN110445247A - High reliability redundancy electric power supply system and method - Google Patents
High reliability redundancy electric power supply system and method Download PDFInfo
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- CN110445247A CN110445247A CN201910759810.8A CN201910759810A CN110445247A CN 110445247 A CN110445247 A CN 110445247A CN 201910759810 A CN201910759810 A CN 201910759810A CN 110445247 A CN110445247 A CN 110445247A
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- ups
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- power supply
- input terminal
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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
- H02J9/062—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 AC powered loads
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- 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
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- 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
Abstract
The invention discloses a kind of high reliability redundancy electric power supply system and methods, comprising: the first alternating current port, the second alternating current port, switching module, control module, UPS guest machine unit, the first UPS often often use machine unit, the second load, monitoring module and time switch module with machine unit, the first load, the 2nd UPS；First alternating current port and second alternating current port are electrically connected with the switching module, the switching module is electrically connected with the control module and the UPS guest machine unit respectively, and the UPS guest machine unit is often often electrically connected with machine unit with machine unit and the 2nd UPS with the first UPS；The monitoring modular is used to monitor the power supply state and current operating parameter of the high reliability redundancy electric power supply system, and the time switch module is for being often timed switching on and shutting down control with machine unit and the 2nd UPS to the UPS guest machine unit, the first UPS.The advantages of faulty isolation features of the present invention are good and high reliablity.
Description
Technical field
The present invention relates to power technique fields more particularly to a kind of high reliability redundancy electric power supply system and methods.
Background technique
In modern chemical industry device, DCS system (i.e. collecting and distributing control system) is a very important system.Existing skill
UPS (uninterruptible power supply) is all configured in the DCS system of art.UPS is rectified into DC power supply when there is alternating current, by AC power source,
A portion energy is sent to inverter and becomes alternating current to DCS system power supply, and part energy charges to battery.When
When mains failure, the energy being stored in battery, which is released, becomes alternating current to DCS system power supply through inverter.
The alternating current of on line type UPS supply DCS system is the regenerative alternate electricity by inverter output.Alternating current is whole by UPS
After stream, inversion and filtering, fluctuation, surge, frequency drift, harmonic distortion and the various interference of alternating current are eliminated.However, UPS
Although solving the power cut problem of alternating current, the problem of UPS faults itself is brought also is brought simultaneously.UPS is on chemical plant installations
Application the problem of being fully solved power supply reliability not yet.
Summary of the invention
The embodiment of the invention provides high reliability redundancy electric power supply system and methods, to solve redundancy confession in the prior art
The low problem of electric system reliability.
In a first aspect, the embodiment of the invention provides a kind of high reliability redundancy electric power supply systems, comprising:
First alternating current port, the second alternating current port, switching module, control module, UPS guest machine unit, the first UPS are common
Machine unit, the first load, the 2nd UPS often use machine unit, the second load, monitoring module and time switch module；First city
Electric port is electrically connected with the first input end of the switching module, and the second of second alternating current port and the switching module is defeated
Enter end electrical connection；The switching module is electrically connected with the control module；The output end of the switching module respectively with the UPS
The main power source input terminal of guest machine unit, the first bypass supply input terminal of the UPS guest machine unit, the first UPS are normal
The main power source input terminal of machine unit is often used to be electrically connected with the main power source input terminal of machine unit and the 2nd UPS；The UPS is spare
The output end of machine unit often uses the first side power input of machine unit and the 2nd UPS normal with the first UPS respectively
With being electrically connected by the first of machine unit with power input, the first UPS often uses the output end of machine unit and described first negative
Electrical connection is carried, the 2nd UPS often uses the output end of machine unit to be electrically connected with second load；The monitoring modular is for supervising
The power supply state and current operating parameter of the high reliability redundancy electric power supply system are surveyed, the time switch module is used for described
UPS guest machine unit, the first UPS are often often timed switching on and shutting down control with machine unit with machine unit and the 2nd UPS.
Preferably, the high reliability redundancy electric power supply system further include:
The switching module is electrically connected with the second bypass supply input terminal of the UPS guest machine unit, and the UPS is spare
The output end of machine unit often uses the second side power input of machine unit and the 2nd UPS normal with the first UPS respectively
With being electrically connected with power input by the second of machine unit.
Preferably, the first side electricity consumption of the out-put supply frequency of the UPS guest machine unit and the UPS guest machine unit
Source inputs frequency and the second side is equal with power input frequency, and the first UPS often uses out-put supply frequency and the institute of machine unit
Stating the first UPS often uses the first bypass supply input frequency of machine unit and the second bypass supply input frequency equal, and described second
UPS often often uses the first bypass supply of machine unit to input frequency and the with the out-put supply frequency of machine unit and the 2nd UPS
It is equal that two bypass supplies input frequency.
Preferably, the monitoring module by RS-485 bus respectively with the UPS guest machine unit, the first UPS
Common machine unit and the 2nd UPS often use machine unit to connect.
Preferably, the first bypass supply of the UPS guest machine unit is provided with the first by-pass switch, and the UPS is spare
First bypass supply of machine unit is provided with the second by-pass switch, and the second bypass supply of the UPS guest machine unit is provided with
Third by-pass switch.
Preferably, it includes the first savings battery, the first rectifier, the first inverter, that the first UPS, which often uses machine unit,
One static switch, the first UPS often use machine input switch and the first UPS often to be exported with machine and switch.
Preferably, the first UPS often includes check mode and direct mode operation with the operating status of machine unit；When described
First savings battery described in when one UPS is often in check mode with machine unit is in standby；When the first UPS often uses machine
First savings battery described in when unit is in direct mode operation charges under the voltage.
Preferably, the UPS guest machine unit, the 2nd UPS often use machine unit 6 and the first UPS often with machine list
First 7 mechanisms are identical.
Second aspect, the embodiment of the invention provides a kind of high reliability redundant power supply methods, which comprises
Obtain the first line voltage and the second line voltage；
The voltage of the UPS guest machine unit is obtained according to first line voltage and second line voltage；
The voltage that the first UPS often uses machine unit is obtained according to first line voltage and second line voltage
And the second common machine unit voltage and real-time monitoring is carried out to it；
When the first UPS often often uses the main power source of machine unit with the main power source input terminal of machine unit and the 2nd UPS
Input terminal any one when being abnormal, corresponding bypass supply supplying power for input end is stated in switching；
When the main power source input terminal of the UPS guest machine unit is abnormal, switch the of the UPS guest machine unit
One bypass supply or second bypass supply often often use machine unit to supply the first UPS with machine unit and the 2nd UPS
Electricity；
When main power source input terminal, the first UPS of the UPS guest machine unit often use the main power source input terminal of machine unit
And the 2nd UPS is with the main power source input terminal of machine unit when often being broken down, by first line voltage or described
The power supply of second line voltage；
When first line voltage is abnormal, the switching module automatically switches to second line voltage,
Pass through first storage battery power supply in handoff procedure.
In conclusion high reliability redundancy electric power supply system provided in an embodiment of the present invention and method, comprising: the first mains terminal
Mouth, the second alternating current port, switching module, control module, UPS guest machine unit, the first UPS often use machine unit, the first load, the
Two UPS often use machine unit, the second load, monitoring module and time switch module；First alternating current port and the switching mould
The first input end of block is electrically connected, and second alternating current port is electrically connected with the second input terminal of the switching module；It is described to cut
Mold changing block is electrically connected with the control module；The output end of the switching module main electricity with the UPS guest machine unit respectively
Source input terminal, the UPS guest machine unit the first bypass supply input terminal, the first UPS often use the main power source of machine unit
Input terminal and the 2nd UPS often use the main power source input terminal of machine unit to be electrically connected；The output end of the UPS guest machine unit point
It is not often often used by the first of machine unit with the first side power input of machine unit and the 2nd UPS with the first UPS
It being electrically connected with power input, the first UPS often uses the output end of machine unit to be electrically connected with first load, and described second
UPS often uses the output end of machine unit to be electrically connected with second load.Therefore, when the first UPS often uses the main electricity of machine unit
When often with the main power source input terminal of machine unit, any one is abnormal, corresponding side is stated in switching by source input terminal and the 2nd UPS
The power supply of road power input；When the main power source input terminal of the UPS guest machine unit is abnormal, it is spare to switch the UPS
First bypass supply of machine unit or second bypass supply often use machine unit and the 2nd UPS normal first UPS
It is powered with machine unit；When main power source input terminal, the first UPS of the UPS guest machine unit often use the main power source of machine unit
When input terminal and the 2nd UPS are often broken down with the main power source input terminal of machine unit, pass through first line voltage
Or the second line voltage power supply.The monitoring modular is used to monitor the power supply state of the high reliability redundancy electric power supply system
And current operating parameter, the time switch module is for often using machine unit to the UPS guest machine unit, the first UPS
And the 2nd UPS is often timed switching on and shutting down control with machine unit.In addition, the UPS guest machine unit, the first UPS
Common machine unit and the 2nd UPS often use the out-put supply end of machine unit mutually indepedent, therefore the present invention has Fault Isolation
The advantages of better function and high reliablity.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will make below to required in the embodiment of the present invention
Attached drawing is briefly described, for those of ordinary skill in the art, without creative efforts, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is the structural schematic diagram of preferred embodiment of the present invention high reliability redundancy electric power supply system；
Fig. 2 is the structural schematic diagram of another preferred embodiment high reliability redundant power supply method of the present invention；
Fig. 3 is the flow chart of preferred embodiment of the present invention high reliability redundant power supply method.
Specific embodiment
The feature and exemplary embodiment of various aspects of the invention is described more fully below, in order to make mesh of the invention
, technical solution and advantage be more clearly understood, with reference to the accompanying drawings and embodiments, the present invention is further retouched in detail
It states.It should be understood that specific embodiment described herein is only configured to explain the present invention, it is not configured as limiting the present invention.
To those skilled in the art, the present invention can be real in the case where not needing some details in these details
It applies.Below the description of embodiment is used for the purpose of better understanding the present invention to provide by showing example of the invention.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence " including ... ", it is not excluded that including
There is also other identical elements in the process, method, article or equipment of the element.
Referring to Figure 1 and Fig. 2, the embodiment of the invention provides a kind of high reliability redundancy electric power supply systems, comprising: the first city
Electric port 1, the second alternating current port 2, switching module 3, control module 4, UPS guest machine unit 5, the first UPS often use machine unit 6,
The load of machine unit 7, second, monitoring module 8 and time switch module 9 are often used in first load, the 2nd UPS；First mains terminal
Mouthful 1 is electrically connected with the first input end of the switching module 3, and the second of second alternating current port 2 and the switching module 3 is defeated
Enter end electrical connection；The switching module 3 is electrically connected with the control module 4；The output end of the switching module 3 respectively with it is described
The main power source input terminal of UPS guest machine unit 5, the first bypass supply input terminal of the UPS guest machine unit 5, described first
UPS often often uses the main power source input terminal of machine unit 7 to be electrically connected with the main power source input terminal of machine unit 6 and the 2nd UPS；It is described
The output end of UPS guest machine unit 5 often uses the first side power input and described of machine unit 6 with the first UPS respectively
2nd UPS often with being electrically connected with power input by the first of machine unit 7, the first UPS often use the output end of machine unit 6 with
The first load electrical connection, the 2nd UPS often use the output end of machine unit 7 to be electrically connected with second load.Therefore, when
First UPS often often uses the main power source input terminal of machine unit 7 to appoint with the main power source input terminal of machine unit 6 and the 2nd UPS
One when being abnormal, corresponding bypass supply supplying power for input end is stated in switching；When the main power source of the UPS guest machine unit 5 is defeated
When entering end and being abnormal, the first bypass supply or second bypass supply for switching the UPS guest machine unit 5 are to described
One UPS often often uses machine unit 7 to power with machine unit 6 and the 2nd UPS；When the main power source of the UPS guest machine unit 5 inputs
The main power source input terminal of machine unit 7 is often often used at end, the first UPS with the main power source input terminal of machine unit 6 and the 2nd UPS
When all breaking down, powered by first line voltage or second line voltage.The monitoring modular 8 is for monitoring
The power supply state and current operating parameter of the high reliability redundancy electric power supply system, the time switch module are used for described
UPS guest machine unit 5, the first UPS are often often timed switching on and shutting down control with machine unit 7 with machine unit 6 and the 2nd UPS
System.In addition, the UPS guest machine unit, the first UPS often often use the output of machine unit with machine unit and the 2nd UPS
Power end is mutually indepedent, therefore the present invention has the advantages that Fault Isolation better function and high reliablity.
Preferably, the high reliability redundancy electric power supply system further include:
The switching module 3 is electrically connected with the second bypass supply input terminal of the UPS guest machine unit 5, and the UPS is standby
Often use the second side of machine unit 6 with power input and described second with the first UPS respectively with the output end of machine unit 5
UPS with power input often with being electrically connected by the second of machine unit 7.It is understood that in the present embodiment, the UPS is standby
The second side power input and institute of machine unit 6 is often used with the second bypass supply input terminal of machine unit 5, the first UPS
State the 2nd UPS often use machine unit 7 second by use power input as backup battery input terminal, it is abnormal in main power source input terminal
When play a role, improve the reliability of redundancy electric power supply system.
Preferably, the high reliability redundancy electric power supply system further includes that the 3rd UPS often uses machine unit and third to load.It is described
The output end of UPS guest machine unit is often electrically connected with machine unit with the 3rd UPS, and the 3rd UPS often uses machine unit and institute
State third load electrical connection.It is understood that UPS often use machine unit quantity can self-setting as needed, do not make herein
It is specific to limit.
Preferably, the switching module 3 includes the first switching switch Q1 and the second switching switch Q2.First switching is opened
It closes Q1 to be electrically connected with first alternating current port 1, the second switching switch Q2 is electrically connected with second alternating current port 2.When
When first alternating current or second mains failure, the switching module 3 realizes that the first alternating current or the automatic of the second alternating current are cut
It changes.Handoff procedure includes the power off time of 1S.In this 1 second, UPS it is automatic it is continual be switched to storage battery power supply state, 1 second
UPS is again automatically continual afterwards is switched to mains-supplied state.
Preferably, the first side of the out-put supply frequency of the UPS guest machine unit 5 and the UPS guest machine unit 5 is used
Power input frequency and the second side are equal with power input frequency, the first UPS often use the out-put supply frequency of machine unit 6 with
First UPS often uses that the first bypass supply of machine unit 6 inputs frequency and the second bypass supply input frequency is equal, and described the
Two UPS often often use the first bypass supply of machine unit 7 to input frequency with the out-put supply frequency of machine unit 7 and the 2nd UPS
And second bypass supply input frequency it is equal.Because it is understood that the first UPS often uses machine unit 6 and the 2nd UPS
Common machine unit is synchronous with first alternating current and second alternating current.Therefore the UPS guest machine unit 5, described the
One UPS, which often often can be achieved on the switching between machine unit with machine unit 6 and the 2nd UPS, uninterruptedly to be switched, and is had
Efficient operability.
Preferably, the monitoring module 4 by RS-485 bus respectively with the UPS guest machine unit 5, described first
UPS often often uses machine unit 7 to connect with machine unit 6 and the 2nd UPS.UPS guest machine unit described in monitoring module real-time monitoring
5, the first UPS often often uses the power supply state, current alert state and operation of machine unit with machine unit 6 and the 2nd UPS
Parameter improves Security alert.
Preferably, it is standby to be provided with the first by-pass switch K1, the UPS for the first bypass supply of the UPS guest machine unit 5
First bypass supply of machine unit 5 is provided with the second by-pass switch K2, the second bypass supply of the UPS guest machine unit is set
It is equipped with third by-pass switch K3.
In another preferred embodiment, the second bypass supply of the UPS guest machine unit 5 is provided with the 4th bypass
Switch K4, the second bypass supply of the UPS guest machine unit 5 are provided with the 5th by-pass switch K5, the UPS guest machine unit
The second bypass supply be provided with the 6th by-pass switch K6.It is understood that in the present embodiment, first bypass is opened
Pass, second by-pass switch, the third by-pass switch, the 4th by-pass switch, the 5th by-pass switch and described
Time-based maintenance and maintenance of 6th by-pass switch for high reliability redundancy electric power supply system of the present invention, mention to staff
For the environment of a safety.
Preferably, it includes the first savings battery A1, the first rectifier D1, the first inversion that the first UPS, which often uses machine unit,
Device N1, the first static switch Q3, the first UPS often use machine input switch T1 and the first UPS often to export switch T2 with machine.
Preferably, the first UPS often includes check mode and direct mode operation with the operating status of machine unit 6；When described
First savings battery A1 described in when first UPS is often in check mode with machine unit 6 is in standby；As the first UPS
First savings battery A1 described in when common machine unit 6 is in direct mode operation charges under the voltage.
Specifically, when the first UPS often uses machine unit 6 to be in check mode, the first rectifier D1 and described
First inverter N1 works, and the first inverter N1 is connected by first static switch with first load, described
First savings battery closure, is in standby.When the UPS often uses machine unit 6 to be in direct mode operation, first rectification
Device D1 and the first inverter N1 work, and first static switch loads the first inverter N1 and described first
It is connected and the first savings battery charges under busbar voltage.
Specifically, when the first UPS often often uses machine unit 7 with the main power source input terminal of machine unit 6 and the 2nd UPS
Main power source input terminal any one when being abnormal, switching states corresponding bypass supply input terminal to its load supplying；
When the main power source input terminal of the UPS guest machine unit 5 is abnormal, switch the UPS guest machine unit 5
First bypass supply or second bypass supply often often use machine unit with machine unit 6 and the 2nd UPS to the first UPS
7 pairs of its load supplyings；
When main power source input terminal, the first UPS of the UPS guest machine unit 5 often use the main power source of machine unit 6 to input
When end and the 2nd UPS are often broken down with the main power source input terminal of machine unit 7, pass through first line voltage or institute
The second line voltage is stated to its load supplying.
Preferably, the UPS guest machine unit, the 2nd UPS often use machine unit 6 and the first UPS often with machine list
First 7 mechanisms are identical.
Embodiment 2
Referring to Fig. 3, the embodiment of the invention provides a kind of high reliability redundant power supply methods, which comprises
S1, the first line voltage and the second line voltage are obtained；
S2, the voltage that the UPS guest machine unit is obtained according to first line voltage and second line voltage；
S3, the first UPS is obtained according to first line voltage and second line voltage often use machine unit
The voltage of voltage and the second common machine unit simultaneously carries out real-time monitoring to it；
S4, the main electricity of machine unit is often often used with the main power source input terminal of machine unit and the 2nd UPS as the first UPS
Source input terminal any one when being abnormal, corresponding bypass supply supplying power for input end is stated in switching；
S5, when the main power source input terminal of the UPS guest machine unit is abnormal, switch the UPS guest machine unit
The first bypass supply or second bypass supply often use machine unit and the 2nd UPS often with machine list the first UPS
Member power supply；
S6, often use the main power source of machine unit defeated as main power source input terminal, the first UPS of the UPS guest machine unit
Enter end and the 2nd UPS when often all being broken down with the main power source input terminal of machine unit, by first line voltage or
The second line voltage power supply；
S7, when first line voltage is abnormal, the switching module automatically switches to second alternating current electricity
Pressure passes through first storage battery power supply in handoff procedure.
In conclusion high reliability redundancy electric power supply system provided in an embodiment of the present invention and method, comprising: the first mains terminal
The 1, second alternating current port 2 of mouth, switching module 3, control module 4, UPS guest machine unit 5, the first UPS often use machine unit 6, first
The load of machine unit 7, second, monitoring module 8 and time switch module 9 are often used in load, the 2nd UPS；First alternating current port 1 with
The first input end of the switching module 3 is electrically connected, the second input terminal of second alternating current port 2 and the switching module 3
Electrical connection；The switching module 3 is electrically connected with the control module 4；The output end of the switching module 3 respectively with the UPS
The main power source input terminal of guest machine unit 5, the first bypass supply input terminal of the UPS guest machine unit 5, the first UPS
The main power source input terminal and the 2nd UPS of common machine unit 6 often use the main power source input terminal of machine unit 7 to be electrically connected；The UPS
The output end of guest machine unit 5 often uses the first side of machine unit 6 with power input and described second with the first UPS respectively
UPS often with being electrically connected with power input by the first of machine unit 7, the first UPS often use the output end of machine unit 6 with it is described
First load electrical connection, the 2nd UPS often use the output end of machine unit 7 to be electrically connected with second load.Therefore, when described
First UPS often with the main power source input terminal of machine unit 6 and the 2nd UPS often use machine unit 7 main power source input terminal any one
When being abnormal, corresponding bypass supply supplying power for input end is stated in switching；When the main power source input terminal of the UPS guest machine unit 5
When being abnormal, the first bypass supply or second bypass supply for switching the UPS guest machine unit 5 are to described first
UPS often often uses machine unit 7 to power with machine unit 6 and the 2nd UPS；When the main power source of the UPS guest machine unit 5 inputs
The main power source input terminal of machine unit 7 is often often used at end, the first UPS with the main power source input terminal of machine unit 6 and the 2nd UPS
When all breaking down, powered by first line voltage or second line voltage.The monitoring modular 8 is for monitoring
The power supply state and current operating parameter of the high reliability redundancy electric power supply system, the time switch module are used for described
UPS guest machine unit 5, the first UPS are often often timed switching on and shutting down control with machine unit 7 with machine unit 6 and the 2nd UPS
System.In addition, the UPS guest machine unit, the first UPS often often use the output of machine unit with machine unit and the 2nd UPS
Power end is mutually indepedent, therefore the present invention has the advantages that Fault Isolation better function and high reliablity.
It should also be noted that, the exemplary embodiment referred in the present invention, is retouched based on a series of step or device
State certain methods or system.But the present invention is not limited to the sequence of above-mentioned steps, that is to say, that can be according in embodiment
The sequence referred to executes step, may also be distinct from that the sequence in embodiment or several steps are performed simultaneously.
The above description is merely a specific embodiment, it is apparent to those skilled in the art that,
For convenience of description and succinctly, the system, module of foregoing description and the specific work process of unit can refer to preceding method
Corresponding process in embodiment, details are not described herein.It should be understood that scope of protection of the present invention is not limited thereto, it is any to be familiar with
Those skilled in the art in the technical scope disclosed by the present invention, can readily occur in various equivalent modifications or substitutions,
These modifications or substitutions should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of high reliability redundancy electric power supply system characterized by comprising the first alternating current port, the second alternating current port, switching
Module, control module, UPS guest machine unit, the first UPS often often use machine unit, second with machine unit, the first load, the 2nd UPS
Load, monitoring module and time switch module；First alternating current port is electrically connected with the first input end of the switching module,
Second alternating current port is electrically connected with the second input terminal of the switching module；The switching module and control module electricity
Connection；The output end of the switching module respectively with the main power source input terminal of the UPS guest machine unit, the UPS guest machine
The first bypass supply input terminal, the first UPS of unit often use the main power source input terminal of machine unit and the 2nd UPS common
The main power source input terminal of machine unit is electrically connected；The output end of the UPS guest machine unit is respectively with the first UPS often with machine list
First side power input of member and the 2nd UPS are described often with being electrically connected by the first of machine unit with power input
First UPS often use the output end of machine unit with it is described first load be electrically connected, the 2nd UPS often use machine unit output end and
The second load electrical connection；The monitoring modular is used to monitor the power supply state of the high reliability redundancy electric power supply system and works as
Preceding operating parameter, the time switch module is for often using machine unit and institute to the UPS guest machine unit, the first UPS
It states the 2nd UPS and is often timed switching on and shutting down control with machine unit.
2. high reliability redundancy electric power supply system according to claim 1, which is characterized in that the high reliability redundant power supply
System further include:
The switching module is electrically connected with the second bypass supply input terminal of the UPS guest machine unit, the UPS guest machine list
The output end of member is respectively with the first UPS often with often using machine with power input and the 2nd UPS by the second of machine unit
It is electrically connected by the second of unit with power input.
3. high reliability redundancy electric power supply system according to claim 1 or 2, which is characterized in that the UPS guest machine unit
Out-put supply frequency and the UPS guest machine unit first side with power input frequency and second side use power input frequency
Equal, the first UPS often often uses the first bypass supply of machine unit with the out-put supply frequency of machine unit and the first UPS
Input frequency and the second bypass supply input frequency it is equal, the 2nd UPS often use the out-put supply frequency of machine unit with it is described
2nd UPS often uses the first bypass supply input frequency of machine unit and the second bypass supply input frequency equal.
4. high reliability redundancy electric power supply system according to claim 1, which is characterized in that the monitoring module passes through RS-
485 buses often often use machine unit to connect with the UPS guest machine unit, the first UPS with machine unit and the 2nd UPS respectively
It connects.
5. high reliability redundancy electric power supply system according to claim 4, which is characterized in that the UPS guest machine unit
First bypass supply is provided with the first by-pass switch, and the first bypass supply of the UPS guest machine unit is provided with the second bypass
Switch, the second bypass supply of the UPS guest machine unit are provided with third by-pass switch.
6. high reliability redundancy electric power supply system according to claim 5, which is characterized in that the first UPS often uses machine unit
Machine input switch and the are often used including the first savings battery, the first rectifier, the first inverter, the first static switch, the first UPS
One UPS is often exported with machine and is switched.
7. high reliability redundancy electric power supply system according to claim 6, which is characterized in that the first UPS is often with machine list
The operating status of member includes check mode and direct mode operation；Described in when the first UPS often uses machine unit to be in check mode
First savings battery is in standby；First savings electricity described in when the first UPS often uses machine unit to be in direct mode operation
It charges under the voltage in pond.
8. high reliability redundancy electric power supply system according to claim 7, which is characterized in that the UPS guest machine unit, institute
State the 2nd UPS often often uses 7 mechanism of machine unit identical with machine unit 6 with the first UPS.
9. a kind of high reliability redundant power supply method, which is characterized in that the described method includes:
Obtain the first line voltage and the second line voltage；
The voltage of the UPS guest machine unit is obtained according to first line voltage and second line voltage；
Voltage and the institute that the first UPS often uses machine unit are obtained according to first line voltage and second line voltage
It states the voltage of the second common machine unit and real-time monitoring is carried out to it；
When the first UPS often often uses the main power source of machine unit to input with the main power source input terminal of machine unit and the 2nd UPS
When any one being held to be abnormal, corresponding bypass supply supplying power for input end is stated in switching；
When the main power source input terminal of the UPS guest machine unit is abnormal, switch the UPS guest machine unit first by
Road power supply or second bypass supply often often use machine unit to power the first UPS with machine unit and the 2nd UPS；
When main power source input terminal, the first UPS of the UPS guest machine unit often use main power source input terminal and the institute of machine unit
When stating the 2nd UPS and often all being broken down with the main power source input terminal of machine unit, pass through first line voltage or described second
Line voltage power supply；
When first line voltage is abnormal, the switching module automatically switches to second line voltage, is cutting
By first storage battery power supply during changing.
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