CN206988082U - A kind of electric power system of thermal power plant industrial water pump - Google Patents
A kind of electric power system of thermal power plant industrial water pump Download PDFInfo
- Publication number
- CN206988082U CN206988082U CN201720954378.4U CN201720954378U CN206988082U CN 206988082 U CN206988082 U CN 206988082U CN 201720954378 U CN201720954378 U CN 201720954378U CN 206988082 U CN206988082 U CN 206988082U
- Authority
- CN
- China
- Prior art keywords
- pump
- water
- breaker
- switch board
- leading
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Control Of Positive-Displacement Pumps (AREA)
Abstract
The utility model relates to a kind of electric power system of thermal power plant industrial water pump, including the first 400Vization water PC, 2nd 400Vization water PC, first pump, second pump and the 3rd pump, the end of incoming cables of a leading-out terminal and the first switch board of the first described 400Vization water PC is mutually electrically connected with, the leading-out terminal of first switch board is mutually electrically connected with the first pump, two ends of incoming cables of first 400Vization water PC another leading-out terminal and a 2nd 400Vization water PC leading-out terminal respectively with dual power switch cabinet are mutually electrically connected with, the end of incoming cables of the leading-out terminal of dual power switch cabinet and the second switch board is mutually electrically connected with, second switch board is mutually electrically connected with the second pump, 2nd 400Vization water PC another leading-out terminal is mutually electrically connected with the 3rd pump, second pump switch board is identical with the structure of the first pump switch board.
Description
Technical field
It the utility model is related to power supply field, and in particular to a kind of electric power system of industrial water pump.
Background technology
Industrial water pump is in very important status in the operational outfit of full factory, once industrial water pump is unable to normal water supply
By the normal operation for having a strong impact on two units and open, shut down.
The conventional use of method of supplying power to of generation current factory as shown in figure 1, it can be seen that 400Vization water PC A sections with
400Vization water PC B sections are two separate with 400Vization water PC B sections by dual power switch cabinet, 400Vization water PC A sections
Power supply, three pumps can be powered respectively, three equal power supplies of pump are derived from same frequency-conversion control cabinet, in the process of running
Following several situations occur, influence the normal operation of industrial water pump：First, Double-electric source automatic switching box main power source dead electricity is double
Power change-over switch is unable to successful switch, it will causes three industrial water pump dead electricity；Second, any one section of inspection of 400Vization water PC sections
Repair, another PC sections industrial water pump power switch tripping operation, it will cause three industrial water pump dead electricity；3rd, frequency converter in switch board
Failure, three industrial water pumps can only switch to power frequency operation, if frequency converter need to remove replacing, switch board needs interruption maintenance, will
Three industrial water pumps can be caused to stop transport；4th, switch board inner breaker, contactor, auxiliary contact, relay damaged are changed, such as
Hotline maintenance will have electric shock risk in fruit cabinet, and interruption maintenance can cause three days industrial water pumps to stop transport；5th, the interior control electricity of switch board
Source fuse melting or control power module failure, it will cause three industrial water pumps to stop transport.
Therefore, production is a kind of reliable, flexibly and easily, simple in construction, cost-effective, easily implements, maintains easily, and pacifies
Complete stable, the electric power system of the high thermal power plant industrial water pump of operating efficiency has wide market prospects.
The content of the invention
In view of the shortcomings of the prior art, it is reliable to provide a kind of row for the utility model, flexibly and easily, simple in construction, saves
Cost, easily implement, maintain easily, safety and stability, the electric power system of the high thermal power plant industrial water pump of operating efficiency.
What technical scheme provided by the utility model was realized in：A kind of power supply system of thermal power plant industrial water pump
System, including the first 400Vization water PC, the 2nd 400Vization water PC, the first pump, the second pump and the 3rd pump, the first described 400Vization water
The end of incoming cables of PC a leading-out terminal and the first switch board is mutually electrically connected with, and the leading-out terminal of the first switch board and the first pump are mutually electrical
Connection, the first 400Vization water PC another leading-out terminal and a 2nd 400Vization water PC leading-out terminal switch with dual power supply respectively
Two ends of incoming cables of cabinet are mutually electrically connected with, and the end of incoming cables of the leading-out terminal of dual power switch cabinet and the second switch board is mutually electrically connected with,
Second switch board is mutually electrically connected with the second pump, and the 2nd 400Vization water PC another leading-out terminal is mutually electrically connected with the 3rd pump,
Second pump switch board is identical with the structure of the first pump switch board.
Breaker one is provided between described the first pump switch board and the first 400Vization water PC, is set in the first pump switch board
Breaker two is equipped with, breaker two is electrical connected with breaker three, and frequency converter is parallel with breaker three, and frequency converter goes out
Breaker four is provided with line.
The dual power switch cabinet of breaker five and are provided between described dual power switch cabinet and the first 400Vization water PC
Breaker six is provided between two 400Vization water PC, is internally provided with switching switch in dual power switch cabinet, breaker five is with breaking
The leading-out terminal of road device six is in mating connection with the end of incoming cables of switching switch respectively.
Breaker seven is provided between described the 3rd pump and the 2nd 400Vization water PC.
The utility model has the positive effect that：Technical scheme provided by the utility model, retain original frequency conversion control
Cabinet processed and original Double-electric source automatic switching box, increase a face frequency-conversion control cabinet newly.The power supply of first pump is connected to new frequency conversion tank, it is new to become
Frequency cabinet power supply is derived from the first 400Vization water PC.The power supply of 3rd pump is directly connected to the 2nd 400Vization water PC.Simplify original frequency conversion
Switch board lock-in control loop；First, any one section of maintenance has two in the first 400Vization water PC and the 2nd 400Vization water PC
Industrial water pump energy normal operation（Two frequency conversions or a frequency conversion, a power frequency）, it is ensured that the using and the reserved, ensure industry water
The reliability of pump operation；Secondly the first pump, the power supply of the second pump and the 3rd pump are separate, and event occurs in any industrial water pump
Barrier need can to ensure during interruption maintenance two industrial water pumps can normal operation, and the variable frequency adjustment for not influenceing industrial water pump goes out
Power, industrial water pump performance driving economy are unaffected；Again, the first pump, the second pump and the 3rd pump normal operation start and stop, periodically
Switching, combination of two operation is more flexibly, conveniently；Finally, it is total to reduce project reconstruction using existing equipment and goods and materials as far as possible
The workload that body is invested and follow-up equipment is safeguarded, industrial water pump system its reliability, economy, flexibility side after Overall Reconstruction
Face is significantly improved.
Brief description of the drawings
Fig. 1 is the electric power system schematic diagram of hair thermal power plant industrial water pump at present.
Fig. 2 is the electric power system schematic diagram of thermal power plant industrial water pump of the present utility model.
Embodiment
Below in conjunction with the accompanying drawings with embodiment, specific embodiment of the present utility model is further described, it is real below
Apply example and be used for more clear explanation the technical solution of the utility model, and protection model of the present utility model can not be limited with this
Enclose.
A kind of electric power system of thermal power plant industrial water pump as shown in Figure 2, including the first 400Vization water PC 1, second
400Vization water PC 2, the first pump 3, the second pump 4 and the 3rd pump 5, a leading-out terminal of the first described 400Vization water PC 1 and
The end of incoming cables of one switch board 6 is mutually electrically connected with, and leading-out terminal and the phase of the first pump 3 of the first switch board 6 are electrically connected with, the first 400Vization
Water PC 1 another leading-out terminal and the 2nd 400Vization water PC 2 leading-out terminal enter with two of dual power switch cabinet 8 respectively
Line end is mutually electrically connected with, and the end of incoming cables of the leading-out terminal of dual power switch cabinet 8 and the second switch board 7 is mutually electrically connected with, the second control
Cabinet 7 is electrically connected with the phase of the second pump 4, and the 2nd 400Vization water PC 2 another leading-out terminal and the phase of the 3rd pump 5 are electrically connected with, and second
Pump switch board 7 is identical with the structure of the first pump switch board 6.
Breaker 1, the control of the first pump are provided between described the first pump switch board 6 and the first 400Vization water PC 1
Breaker 2 11 is provided with cabinet 6, breaker 2 11 is electrical connected with breaker 3 12, and change is parallel with breaker 3 12
Frequency device 13, breaker 4 14 is provided with the outlet of frequency converter 13.The described 400Vization water PC 1 of dual power switch cabinet 8 and the first
Between be provided between the dual power switch cabinet 8 of breaker 5 15 and the 2nd 400Vization water PC 2 and be provided with breaker 6 16, double
Power supply switching cabinet 8, which is internally provided with, switches switch 9, and the leading-out terminal of breaker 5 15 and breaker 6 16 is respectively with switching switch 9
End of incoming cables it is in mating connection.The second described pump switch board 7 is identical with the structure of the first pump switch board 6.The 3rd described pump 5
Breaker 7 17 is provided between the 2nd 400Vization water PC 2.
The technical solution of the utility model is when it is implemented, because the power supply of the first pump 3 and the 3rd pump 5 is respectively first
400Vization water PC 1 and the 2nd 400Vization water PC 2, power supply is separate, ensure that the first 400Vization water PC 1 and second
Any one section of maintenance all at least one pumps can come into operation in 400Vization water PC 2, and the second pump 4 employs conversion and opened in addition
Pass 9 is in mating connection with the first 400Vization water PC 1 and the 2nd 2 two sections of 400Vization water PC respectively, ensure that the first 400Vization water
Any one section of maintenance, can switch to another section to ensure second by change-over switch 9 in the 400Vization water PC 2 of PC 1 and the 2nd
The power supply of pump 4, therefore the technical program can ensure.2 any one section of maintenance of first 400Vization water PC 1 and the 2nd 400Vization water PC
There is two pumps energy normal operation, it is ensured that the using and the reserved, improve industrial water pump reliability of operation.The utility model carries
What the technical scheme of confession had two kinds of pumps is used cooperatively mode, i.e. the first pump 3 and the second pump 4, the second pump 4 and the 3rd pump 5.Due to
One pump 3 and the second pump 4 are provided with frequency converter 13, it is possible to ensure two pumps frequency conversion or a pump frequency conversion, a pump power frequency,
The variable frequency adjustment for not influenceing industrial water pump is contributed, and industrial water pump performance driving economy is unaffected, and the first pump 3, second
Pump 4 and the normal operation start and stop of the 3rd pump 5, periodically switching, combination of two operation is more flexibly, conveniently.The utility model is being implemented
When utilize existing equipment and goods and materials as far as possible, reduce the workload that project reconstruction overall investment and follow-up equipment are safeguarded, industry
Water pump system is significantly improved after Overall Reconstruction in terms of its reliability, economy, flexibility.
When the first 400Vization water PC 1 is overhauled, the first 400Vization water PC 1 is powered off, the switching in dual power switch cabinet 8
Switch 9 switches to the one end being connected with the leading-out terminals of the 2nd 400Vization water PC 2, and breaker 6 16 is in closure state, the second pump
Switch board 7, which is powered, to be run, and the second pump 4 can be with power frequency or converting operation；Road device 7 17 closes, the 3rd pump（5）It can be transported with power frequency
OK, it is ensured that meet that at least a pump can be with converting operation while a use one is standby.
When 2nd 400Vization water PC 2 is overhauled, the 2nd 400Vization water PC 2 is powered off, the switching switch in dual power switch cabinet 8
9 switch to the one end being connected with the leading-out terminals of the first 400Vization water PC 1, and breaker 5 15 is in closure state, the second pump control
Cabinet 7 processed, which is powered, to be run, and the second pump 4 can be with power frequency or converting operation；Breaker 1 is in closure, and the first pump switch board 6 is powered
Operation, the first pump 3 can be with power frequency or converting operation, it is ensured that meets an at least pump while use one is standby
Can be with converting operation.
Claims (4)
1. a kind of electric power system of thermal power plant industrial water pump, including the first 400Vization water PC（1）, the 2nd 400Vization water PC
（2）, the first pump（3）, the second pump（4）With the 3rd pump（5）, it is characterised in that：The first described 400Vization water PC（1）One go out
Line end and the first switch board（6）End of incoming cables be mutually electrically connected with, the first switch board（6）Leading-out terminal and the first pump（3）Mutually electrically
Connection, the first 400Vization water PC（1）Another leading-out terminal and the 2nd 400Vization water PC（2）A leading-out terminal respectively with double electricity
Source switches cabinet（8）Two ends of incoming cables be mutually electrically connected with, dual power switch cabinet（8）Leading-out terminal and the second switch board（7）Enter
Line end is mutually electrically connected with, the second switch board（7）With the second pump（4）Mutually it is electrically connected with, the 2nd 400Vization water PC（2）Another go out
Line end and the 3rd pump（5）Mutually it is electrically connected with, the second pump switch board（7）With the first pump switch board（6）Structure it is identical.
A kind of 2. electric power system of thermal power plant industrial water pump according to claim 1, it is characterised in that：Described
One pump switch board（6）With the first 400Vization water PC（1）Between be provided with breaker one（10）, the first pump switch board（6）Middle setting
There is breaker two（11）, breaker two（11）With breaker three（12）It is electrical connected, in breaker three（12）Change is parallel with above
Frequency device（13）, frequency converter（13）Outlet on be provided with breaker four（14）.
A kind of 3. electric power system of thermal power plant industrial water pump according to claim 1, it is characterised in that：Described is double
Power supply switches cabinet（8）With the first 400Vization water PC（1）Between be provided with breaker five（15）Dual power switch cabinet（8）With second
400Vization water PC（2）Between be provided with breaker six（16）, in dual power switch cabinet（8）It is internally provided with switching switch（9）, break
Road device five（15）With breaker six（16）Leading-out terminal respectively with switching switch（9）End of incoming cables it is in mating connection.
A kind of 4. electric power system of thermal power plant industrial water pump according to claim 1, it is characterised in that：Described
Three pumps（5）With the 2nd 400Vization water PC（2）Between be provided with breaker seven（17）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720954378.4U CN206988082U (en) | 2017-08-02 | 2017-08-02 | A kind of electric power system of thermal power plant industrial water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720954378.4U CN206988082U (en) | 2017-08-02 | 2017-08-02 | A kind of electric power system of thermal power plant industrial water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206988082U true CN206988082U (en) | 2018-02-09 |
Family
ID=61418189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720954378.4U Expired - Fee Related CN206988082U (en) | 2017-08-02 | 2017-08-02 | A kind of electric power system of thermal power plant industrial water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206988082U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269508A (en) * | 2017-08-02 | 2017-10-20 | 华润电力（海丰）有限公司 | A kind of electric power system of thermal power plant industrial water pump |
-
2017
- 2017-08-02 CN CN201720954378.4U patent/CN206988082U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107269508A (en) * | 2017-08-02 | 2017-10-20 | 华润电力（海丰）有限公司 | A kind of electric power system of thermal power plant industrial water pump |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103618329B (en) | Multi-terminal flexible direct current transmission system and single-station online isolation and grid connection method thereof | |
| CN203071637U (en) | DC power supply connection control apparatus | |
| CN206988082U (en) | A kind of electric power system of thermal power plant industrial water pump | |
| CN202268801U (en) | Power unit bypass circuit with redundancy control function | |
| CN102394554A (en) | Power unit bypass circuit with redundancy control function | |
| CN206584019U (en) | A kind of double power supply automatic transfer switch hookup and a kind of electrical system | |
| CN205029421U (en) | Power supply switching device | |
| CN107269508A (en) | A kind of electric power system of thermal power plant industrial water pump | |
| CN201369179Y (en) | Main/standby power supply circuit for digital equipment of nuclear power plant | |
| CN203151200U (en) | Double on-line standby high-frequency voltage constant current source | |
| CN202798126U (en) | Automatic switching system for uninterrupted power supply of PLC (programmable logic controller) | |
| CN204794329U (en) | Single -phase electric dual supply automatic switching control equipment | |
| CN204696788U (en) | A kind of large-size thermal power plant high-voltage Auxiliary power supply three power supply automatic switchover wiring construction | |
| CN205017101U (en) | Switching -on device is divided in a distant place | |
| CN208078616U (en) | A kind of mobile outdoor repair cable distribution box | |
| CN202978689U (en) | Bypass apparatus for power unit of high-voltage frequency converter | |
| CN101237155B (en) | UPS dual-channel power supply automatic maintenance control device | |
| CN215267754U (en) | Low-voltage interference resisting device | |
| CN221042390U (en) | Control loop for optimizing dual-power supply series switching | |
| CN215772547U (en) | Power supply system for long-distance water transmission engineering | |
| CN204858730U (en) | 10KV switch board secondary circuit voltage seamless handover device | |
| CN204706942U (en) | Direct current system is electric supply installation and DC suppling equipment again | |
| CN204652268U (en) | Hydrogen compressor electric reconstruction control system | |
| CN204497579U (en) | A kind of middle-placed high-tension switch cabinet | |
| CN201918797U (en) | Electric-dazzling prevention auxiliary power supply in low-voltage alternating-current control loop |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180209 Termination date: 20180802 |