CN106787137A - A kind of middle voltage source car intelligence control system for uninterrupted power supply - Google Patents
A kind of middle voltage source car intelligence control system for uninterrupted power supply Download PDFInfo
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- CN106787137A CN106787137A CN201611214967.5A CN201611214967A CN106787137A CN 106787137 A CN106787137 A CN 106787137A CN 201611214967 A CN201611214967 A CN 201611214967A CN 106787137 A CN106787137 A CN 106787137A
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- relay
- control
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/061—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for DC powered loads
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/068—Electronic means for switching from one power supply to another power supply, e.g. to avoid parallel connection
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
A kind of middle voltage source car intelligence control system for uninterrupted power supply, control unit (2) detects voltage, frequency and the phase information of supply vehicle generating set and power network by detection unit (1), and monitoring unit (5) is sent to by communication unit (4);Simultaneously machine, grid-connected command information are sent to control unit (2) by monitoring unit (5) by communication unit (4), control unit (2) is completed and machine, once grid-connected, secondary grid-connected work according to this command information, control execution unit (3);The information that the present invention passes through voltage source car generating set and power network in automatic data collection, control supply vehicle generating set adjustment voltage, phase information, the opportunity that automatically selects completes and machine, once grid-connected, secondary grid-connected work.One be and machine, grid-connected opportunity are accurate, it is to avoid because and machine, grid-connected opportunity be inaccurate and the infringement of to equipment belt due to phase deviation, voltage difference, two is not need personnel on site on duty, it is to avoid the personal injury being likely to occur.
Description
Technical field
The present invention relates to a kind of middle voltage source car intelligence control system for uninterrupted power supply, belong to electric supply control
Technical field.
Background technology
With the development of economic society, requirement more and more higher of the people to power quality.Some units, the electricity consumption of industry set
It is standby to need run without interruption within 24 hours.However, the power equipment of provided power supply needs periodic inspection and changes.Middle pressure
Supply vehicle is the equipment that power network provides emergency power supply that substituted in electric equipment maintenance.When voltage source car is powered in utilization, it is
Guarantee uninterrupted power supply, it is desirable to which middle voltage source car has and machine, grid-connected function, including unit is once grid-connected, secondary grid-connected, and
Machine is once grid-connected, the secondary function such as grid-connected (when line maintenance is carried out, to ensure to give load uninterrupted power supply, before grid power blackout,
Need first by supply vehicle and to power network, unit is with power network while powering load, this cries once grid-connected;When line maintenance is finished
It is afterwards, synchronous with supply vehicle institute power supply source, it is necessary to by supply vehicle again with to be overhauled side power network in parallel to ensure power network institute's power supply source,
Cry secondary grid-connected;One supply vehicle institute can not meet load using, it is necessary to after parallel extended with an other supply vehicle for load
Powering load is simultaneously machine).In the prior art, above-mentioned and machine, once grid-connected, secondary grid-connected operation are that artificial control is completed
, by the observation of first-line staff's situ visualization, when supply vehicle is with supply vehicle, supply vehicle and grid phase consistent (range estimation is consistent),
A series of grid switching operation is performed to complete and machine or grid-connected.Its problem is:On the one hand simultaneously machine, grid-connected timing are inaccurate, phase
Asynchronous and voltage the deviation of position is possible to cause potential safety hazard to electrical equipment;Two is that simultaneously machine, grid-connected operation sequence are answered
Miscellaneous, environment is high-risk, it is possible to bring threat to the personal safety of site operation personnel.
The content of the invention
Present invention aim at a kind of middle voltage source car intelligence control system for uninterrupted power supply of offer, the control system
System is capable of the information such as phase, the voltage of automatic data collection power network and middle voltage source car, is automatically performed and machine, grid-connected work.
To achieve the above object, a kind of middle voltage source car intelligence control system for uninterrupted power supply of the invention, including
Detection unit, control unit, execution unit, communication unit and monitoring unit;Control unit detects supply vehicle by detection unit
The voltage of generating set and power network, frequency and phase information, and monitoring unit is transmitted these information to by communication unit;Prison
Control unit is by simultaneously machine, grid-connected and once grid-connected, secondary grid-connected command information is sent to control unit by communication unit, control
According to this command information and detection information, control execution unit is completed and machine, grid-connected and once grid-connected, secondary grid-connected work for unit
Make;
The detection unit includes the first mutual inductance for this car generating set voltage, frequency detecting and phase angle tracking
Device, the second transformer for the first line voltage, frequency detecting and phase angle tracking and for the second line voltage, frequency inspection
Survey and the 3rd transformer of phase angle tracking;
Described control unit includes and machine controller, net-connected controller and the simultaneously grid-connected selecting switch group of machine, described and machine control
Device processed is used for this car generating set and other generating sets and machine is controlled, and the net-connected controller is opened for this car generating set
Stop control, frequency adjustment, a cutting-in control and secondary cutting-in control;Net-connected controller is by simultaneously machine controller and communication unit
Communication;
And machine controller is gathered voltage, frequency and the phase angle information of this car generating set by the first transformer and transmitted
To net-connected controller;Net-connected controller gathers voltage, frequency and the phase angle information of the first power network by the second transformer, passes through
3rd transformer gathers voltage, frequency and the phase angle information of the second power network;
The grid-connected selecting switch group of described and machine includes and the grid-connected selecting switch of machine, grid-connected selecting switch and the grid-connected selection of machine
Relay, grid-connected selective relay, first switch cabinet shutting-brake control relay, first switch cabinet separating brake control relay, second
Switch cubicle shutting-brake control relay, second switch cabinet separating brake control relay, first switch cabinet closing coil, first switch cabinet point
Brake cable circle, second switch cabinet closing coil, second switch cabinet switching winding;
As shown in figure 3, the grid-connected selective relay coil of described and machine is electric at 24 volts with the simultaneously grid-connected selecting switch series connection of machine
Between source and ground, the grid-connected selective relay coil and grid-connected selecting switch series connection are between 24 power supplys and ground;Described
One switch cubicle shutting-brake control relay coil one terminates 24 volts of power supplys, the other end point two-way, lead up to and the grid-connected selection of machine after
The opened point of electrical equipment connects and machine controller, separately leads up to and the normally closed point of the grid-connected selective relay of machine connects net-connected controller;The
The coil one of two switch cubicle shutting-brake control relays and second switch cabinet separating brake control relay terminates 24 volts of power supplys, the other end point
Net-connected controller is not connect by the opened point of grid-connected selective relay;First switch cabinet closing coil one terminates 24 volts of power supplys, separately
One end is grounded by the opened point of first switch cabinet shutting-brake control relay;First switch cabinet switching winding one terminates 24 volts of electricity
Source, the other end is grounded by the opened point of first switch cabinet separating brake control relay;The termination of second switch cabinet closing coil one 24
Volt power supply, the other end is grounded by the opened point of second switch cabinet shutting-brake control relay;Second switch cabinet switching winding one end
24 volts of power supplys are connect, the other end is grounded by the opened point of second switch cabinet separating brake control relay;
The normally closed access grid-connected controller of point that second transformer passes through grid-connected selective relay, the 3rd transformer passes through
The access grid-connected controller of opened point of grid-connected selective relay;
The execution unit includes first switch cabinet and second switch cabinet;First switch cabinet is used for and machine and once simultaneously network control
System, second switch cabinet is used for secondary cutting-in control.
Voltage, frequency, phase information that the present invention passes through voltage source car generating set and power network in automatic data collection, by dividing
Analysis, comparison, then control supply vehicle generating set to adjust voltage, phase information, appropriate opportunity is automatically selected, automatically control completion
And machine, once grid-connected, secondary grid-connected work.One be and machine, grid-connected opportunity are accurate, it is to avoid because and machine, grid-connected opportunity it is inaccurate
Really and because phase deviation, voltage difference give the infringement that equipment belt comes, two is not need personnel on site on duty, it is to avoid be likely to occur
Personal injury.
Brief description of the drawings
Fig. 1 is principle of the invention block diagram;
Fig. 2 signal acquisition control logic block diagrams of the present invention;
Fig. 3 is the setting principle figure of the present invention and the grid-connected selecting switch group of machine and each signal acquisition transformer.
Specific embodiment
The present invention is further described below in conjunction with the accompanying drawings:
As shown in figure 1, a kind of middle voltage source car intelligence control system for uninterrupted power supply, including detection unit 1, control
Unit processed 2, execution unit 3, communication unit 4 and monitoring unit 5;Control unit 2 detects supply vehicle generator by detection unit 1
The voltage of group and power network, frequency and phase information, and monitoring unit 5 is transmitted these information to by communication unit 4;Monitoring is single
Unit 5 is by simultaneously machine, grid-connected and once grid-connected, secondary grid-connected command information is sent to control unit 2 by communication unit 4, control
According to this command information and detection information, control execution unit 3 is completed and machine, grid-connected and once grid-connected, secondary grid-connected work for unit 2
Make;
As shown in Fig. 2 the detection unit 1 include for the voltage of this car generating set 31, frequency detecting and phase angle with
First transformer 11 of track, the second transformer 12 for the voltage of the first power network 62, frequency detecting and phase angle tracking and it is used for
3rd transformer 13 of the voltage of the second power network 63, frequency detecting and phase angle tracking;
Explanation:First power network 62 mentioned here refers to the power network before maintenance, and the second power network 63 refers to the power network after maintenance,
Substantially it is same power network, simply access point is different with the opportunity accessed;
As shown in Fig. 2 described control unit 2 include and machine controller 22, net-connected controller 23 and simultaneously machine it is grid-connected selection open
Pass group 24, described and machine controller 22 is used for this car generating set 31 and other generating sets and machine is controlled, described and network control
Device processed 23 is used for the start-up and shut-down control of this car generating set 31, frequency adjustment, a cutting-in control and secondary cutting-in control;Cutting-in control
Device 23 is communicated by simultaneously machine controller 22 with communication unit 4;
Explanation:Described and machine controller (22) belongs to the special control unit of generating set, and such as IC-NT, its inside solidification has
Automatic synchronization point capture function and generating set voltage and adjustment of rotational speed function;It is special that the net-connected controller 23 belongs to generating set
With control unit, such as IG-NT, its inside solidification has automatic synchronization point capture function;
And machine controller 22 gathers voltage, frequency and the phase angle information of this car generating set 31 by the first transformer 11
And pass to net-connected controller 23;Net-connected controller 23 by the second transformer 12 gather the voltage of the first power network 62, frequency and
Phase information, voltage, frequency and the phase information of the second power network 63 are gathered by the 3rd transformer 13;
As shown in figure 3, the grid-connected selecting switch group 24 of described and machine includes and the grid-connected selecting switch 91 of machine, grid-connected selecting switch
92 and the grid-connected selective relay 71 of machine, grid-connected selective relay 72, first switch cabinet shutting-brake control relay 73, first switch
Cabinet separating brake control relay 74, second switch cabinet shutting-brake control relay 75, second switch cabinet separating brake control relay 76, first
Switch cubicle closing coil 81, first switch cabinet switching winding 82, second switch cabinet closing coil 83, second switch cabinet switching winding
84;
As shown in figure 3, the grid-connected coil of selective relay 71 of described and machine and simultaneously machine grid-connected selecting switch 91 series connection are 24
Between volt power supply and ground, the grid-connected selective relay 72 and the series connection of grid-connected selecting switch 92 are between 24 power supplys and ground;Institute
State 73 coil of first switch cabinet shutting-brake control relay one and terminate 24 volts of power supplys, the other end point two-way, leads up to and machine is grid-connected
The opened point 71-1 of selective relay 71 connects and machine controller 22, separately leads up to the normally closed point of the simultaneously grid-connected selective relay 71 of machine
71-2 connects net-connected controller 23;The line of second switch cabinet shutting-brake control relay 75 and second switch cabinet separating brake control relay 76
Circle one terminates 24 volts of power supplys, and the other end connects net-connected controller 23 by the opened point 72-1 of grid-connected selective relay 72 respectively;The
One switch cubicle closing coil 81 1 terminates 24 volts of power supplys, the opened point that the other end passes through first switch cabinet shutting-brake control relay 73
73-1 is grounded;First switch cabinet switching winding 82 1 terminates 24 volts of power supplys, and the other end controls relay by first switch cabinet separating brake
The opened point 74-1 ground connection of device 74;Second switch cabinet closing coil 83 1 terminates 24 volts of power supplys, and the other end passes through second switch cabinet
The opened point 75-1 ground connection of shutting-brake control relay 75;Second switch cabinet switching winding 84 1 terminates 24 volts of power supplys, and the other end leads to
Cross the opened point 75-1 ground connection of second switch cabinet separating brake control relay 76;
As shown in figure 3, the access grid-connected controls of normally closed point 72-2 that second transformer 12 passes through grid-connected selective relay 72
Device processed 23, the access grid-connected controllers 23 of opened point 72-3 that the 3rd transformer 13 passes through grid-connected selective relay 72;
As shown in Fig. 2 the execution unit 3 includes first switch cabinet 32 and second switch cabinet 33;First switch cabinet 32 is used
Yu Bingji and cutting-in control, second switch cabinet 33 is used for secondary cutting-in control.
Voltage, frequency, phase information that the present invention passes through voltage source car generating set and power network in automatic data collection, by dividing
Analysis, comparison, then control supply vehicle generating set to adjust voltage, phase information, appropriate opportunity is automatically selected, automatically control completion
And machine, once grid-connected, secondary grid-connected work.One be and machine, grid-connected opportunity are accurate, it is to avoid because and machine, grid-connected opportunity it is inaccurate
Really and because phase deviation, voltage difference give the infringement that equipment belt comes, two is not need personnel on site on duty, it is to avoid be likely to occur
Personal injury.
Preferably, the monitoring unit 5 be personal terminal controller, by mobile communication network, internet cloud platform with
Communication unit is interconnected.Monitoring personnel can be realized and machine, grid-connected policer operation from remote.Personnel can not receive Active workings
Limitation, place oneself in the midst of middle voltage source car periphery, the operational control in environment of observation situation with personal terminal controller.
Its course of work is:
And during machine, will and the grid-connected functional select switch 91 of machine switch to parallel function (switch close when for and machine, disconnect when
For grid-connected), and machine grid-connected function selective relay 71 energization adhesive, first switch cabinet closing relay 73 and first switch cabinet point
The coil of lock control relay 74 is accessed and machine controller 22 by the opened point of the simultaneously grid-connected selective relay 71 of machine.When monitoring is single
When unit 5 provides simultaneously machine control instruction, the instruction is transferred to and machine controller 22 by communication unit 4.And machine controller 22 is logical
Cross the first transformer 11 gather the information such as the voltage, frequency and the phase angle that come with treat and voltage that generator set controller collection comes,
The information such as frequency and phase angle is contrasted, and is reached and after machine condition and machine controller 22 provides switching signal, and first switch cabinet closes a floodgate
The adhesive of relay 73 (access of the coil of first switch cabinet closing relay 73 to simultaneously machine controller 22 is a point low level), its is normally opened
Point 73-1 is closed, and for the adhesive of first switch cabinet closing coil 81, first switch cabinet 32 closes a floodgate, and machine is completed.
And during machine off-the-line, monitoring unit 5 provides solution and machine instruction, the instruction is transferred to and machine control by communication unit 4
Device processed 22.And machine controller 22 be given sub-gate signal (first switch cabinet separating brake relay 74 coil to and machine controller 22 connect
It is a low level to enter), the adhesive of first switch cabinet separating brake relay 74, its opened point 74-1 closures, first switch cabinet switching winding
82 adhesives, the separating brake of first switch cabinet 32, and machine off-the-line are completed.
When once grid-connected, simultaneously the grid-connected selecting switch 91 of machine grid-connected function will be switched to, and the grid-connected selective relay 71 of machine is powered off
Reset, its normally closed point 71-2 is connected, and first switch cabinet closing relay 73 and first switch cabinet separating brake control relay 74 pass through
And the normally closed point 71-2 of the grid-connected selective relay 71 of machine is switched to net-connected controller 23;Grid-connected selecting switch 92 is switched to once
Grid-connected function (switching off as once grid-connected, closure is secondary grid-connected), the power-off restoration of grid-connected selective relay 72, the second mutual inductance
Device (12) is by grid-connected selective relay (72) the access grid-connected controllers 23 of normally closed point 72-2.Monitoring unit 5 is given once grid-connected
Instruction, the instruction is transferred to net-connected controller 23 by communication unit 4, and net-connected controller 23 gathers this by the first transformer 11
The information such as the voltage of car generating set 31, frequency and phase angle, by the second transformer 12 gather come the first power network 62 electricity
The information such as pressure, frequency and phase angle, the two is contrasted, and net-connected controller 23 controls the adjustment phase place of this car generating set 31 simultaneously,
Net-connected controller 23 provides switching signal, the adhesive of control first switch cabinet relay 73, its opened point 73- after reaching grid-connected conditions
1 closure, the adhesive of first switch cabinet closing coil 81, first switch cabinet 32 closes a floodgate, once grid-connected completion;
When secondary grid-connected, simultaneously the grid-connected selecting switch 91 of machine grid-connected function will be switched to, and the grid-connected selective relay 71 of machine is powered off
Reset, its normally closed point 71-2 is connected, and first switch cabinet closing relay 73 and first switch cabinet separating brake control relay 74 pass through
And the normally closed point 71-2 of the grid-connected selective relay 71 of machine is switched to net-connected controller 23;Grid-connected selecting switch 92 is switched to secondary
Grid-connected, grid-connected selective relay 72 is powered, and the 3rd transformer 13 is accessed simultaneously by the opened point 72-2 of grid-connected selective relay 72
Net controller 23.Monitoring unit 5 provides secondary cutting-in control instruction, and the instruction is transmitted by communication unit 4 and machine controller 22
The voltage of the collection of first transformer 11 comes this car generating set 31 to net-connected controller 23, net-connected controller 23, frequency
And the voltage of the second power network 63 that the information such as phase angle is come with the collection of the 3rd transformer 13, the contrast of the information such as frequency and phase angle,
After reaching grid-connected conditions, net-connected controller 23 provides switching signal, the adhesive of second switch cabinet closing relay 75, its opened point
75-1 is closed, and the adhesive of second switch cabinet closing coil 83, second switch cabinet 33 closes a floodgate, secondary grid-connected completion;
Once grid-connected secondary grid-connected off-the-line, by with the last time it is grid-connected, secondary grid-connected order carries out reverse operation, leads to respectively
Cross second switch cabinet separating brake relay 76 and the control of first switch cabinet separating brake relay 74 second switch cabinet switching winding 84 and the
One switch cubicle switching winding 82 realizes second switch cabinet 33 and the separating brake of first switch cabinet 32, and off-the-line is to complete.
Claims (2)
1. a kind of middle voltage source car intelligence control system for uninterrupted power supply, it is characterised in that including detection unit (1),
Control unit (2), execution unit (3), communication unit (4) and monitoring unit (5);Control unit (2) is examined by detection unit (1)
Voltage, frequency and the phase information of supply vehicle generating set and power network are surveyed, and is transmitted these information to by communication unit (4)
Monitoring unit (5);Monitoring unit (5) by and machine, it is grid-connected, once grid-connected, secondary grid-connected command information pass through communication unit (4)
Control unit (2) is sent to, control unit (2) is completed simultaneously according to this command information and detection information, control execution unit (3)
Machine, grid-connected and once grid-connected, secondary grid-connected work;
The detection unit (1) is mutual including first for this car generating set (31) voltage, frequency detecting and phase angle tracking
Sensor (11), the second transformer (12) for the first power network (62) voltage, frequency detecting and phase angle tracking and for second
3rd transformer (13) of power network (63) voltage, frequency detecting and phase angle tracking;
Described control unit (2) including and machine controller (22), net-connected controller (23) and simultaneously the grid-connected selecting switch group (24) of machine,
Described and machine controller (22) for this car generating set (31) and other generating sets and machine control, the net-connected controller
(23) for this car generating set (31) start-up and shut-down control, frequency adjustment, a cutting-in control and secondary cutting-in control;Cutting-in control
Device (23) is communicated by simultaneously machine controller (22) with communication unit (4);
And machine controller (22) gathers voltage, frequency and the phase angle letter of this car generating set (31) by the first transformer (11)
Cease and pass to net-connected controller (23);Net-connected controller (23) gathers the electricity of the first power network (62) by the second transformer (12)
Believe at pressure, frequency and phase angle information, voltage, frequency and the phase angle that the second power network (63) is gathered by the 3rd transformer (13)
Breath;
The grid-connected selecting switch group (24) of described and machine includes the simultaneously grid-connected selecting switch of machine (91), grid-connected selecting switch (92) and machine
Grid-connected selective relay (71), grid-connected selective relay (72), first switch cabinet shutting-brake control relay (73), first switch cabinet
Separating brake control relay (74), second switch cabinet shutting-brake control relay (75), second switch cabinet separating brake control relay (76),
First switch cabinet closing coil (81), first switch cabinet switching winding (82), second switch cabinet closing coil (83), second switch
Cabinet switching winding (84);
The grid-connected selective relay of described and machine (71) coil is with the simultaneously grid-connected selecting switch of machine (91) series connection on 24 volts of power supplys and ground
Between, grid-connected selective relay (72) coil is with (92) series connection of grid-connected selecting switch between 24 power supplys and ground;It is described
First switch cabinet shutting-brake control relay (73) coil one terminates 24 volts of power supplys, and the other end point two-way, leads up to and machine is grid-connected
The opened point (71-1) of selective relay (71) connects and machine controller (22), separately leads up to and the grid-connected selective relay of machine (71)
Normally closed point (71-2) connect net-connected controller (23);Second switch cabinet shutting-brake control relay (75) and second switch cabinet separating brake control
The coil one of relay (76) processed terminates 24 volts of power supplys, and the other end is respectively by the opened point (72- of grid-connected selective relay (72)
1) net-connected controller (23) is connect;First switch cabinet closing coil (81) one terminates 24 volts of power supplys, and the other end passes through first switch cabinet
Opened point (73-1) ground connection of shutting-brake control relay (73);First switch cabinet switching winding (82) one terminates 24 volts of power supplys, separately
One end is grounded by the opened point (74-1) of first switch cabinet separating brake control relay (74);Second switch cabinet closing coil (83)
One 24 volts of power supplys of termination, the other end is grounded by the opened point (75-1) of second switch cabinet shutting-brake control relay (75);Second
Switch cubicle switching winding (84) one terminates 24 volts of power supplys, and the other end is normally opened by second switch cabinet separating brake control relay (76)
Point (75-1) is grounded;
The access grid-connected controller of the normally closed point (72-2) (23) that second transformer (12) passes through grid-connected selective relay (72),
Opened point (72-3) access grid-connected controller (23) that 3rd transformer (13) passes through grid-connected selective relay (72);
The execution unit (3) includes first switch cabinet (32) and second switch cabinet (33);First switch cabinet (32) is for simultaneously machine
With a cutting-in control, second switch cabinet (33) is for secondary cutting-in control.
2. the middle voltage source car intelligence control system for uninterrupted power supply according to claim 1, it is characterised in that institute
It is personal terminal controller to state monitoring unit (5), is interconnected by mobile communication network, internet cloud platform and communication unit (4).
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CN201611214967.5A CN106787137B (en) | 2016-12-26 | 2016-12-26 | Intelligent control system for medium-voltage power supply vehicle for uninterrupted power supply |
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CN201611214967.5A CN106787137B (en) | 2016-12-26 | 2016-12-26 | Intelligent control system for medium-voltage power supply vehicle for uninterrupted power supply |
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