CN207530608U - The device that forced oil-circulation air-cooled transformer cooler is thrown by force - Google Patents
The device that forced oil-circulation air-cooled transformer cooler is thrown by force Download PDFInfo
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- CN207530608U CN207530608U CN201721682368.6U CN201721682368U CN207530608U CN 207530608 U CN207530608 U CN 207530608U CN 201721682368 U CN201721682368 U CN 201721682368U CN 207530608 U CN207530608 U CN 207530608U
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- power supply
- cooled
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- 238000001816 cooling Methods 0.000 claims description 17
- 230000005611 electricity Effects 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 4
- 238000012544 monitoring process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- FGRBYDKOBBBPOI-UHFFFAOYSA-N 10,10-dioxo-2-[4-(N-phenylanilino)phenyl]thioxanthen-9-one Chemical compound O=C1c2ccccc2S(=O)(=O)c2ccc(cc12)-c1ccc(cc1)N(c1ccccc1)c1ccccc1 FGRBYDKOBBBPOI-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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- Transformer Cooling (AREA)
Abstract
The utility model is related to the devices that a kind of forced oil-circulation air-cooled transformer cooler is thrown by force,The power input connection third road air-cooled control cabinet cooler three phase mains of its battery main switch,The power input of master switch in the power output end connecting cabinet of battery main switch,The first power inleting terminal of double loop power supply switching switch connects the air-cooled control cabinet cooler power supply of air-cooled control cabinet Cooler Power module,The power output end of master switch in the second source end of incoming cables connecting cabinet of double loop power supply switching switch,The power outlet end connected load power source bus of double loop power supply switching switch,One end access load power busbar of branch power switch,The other end connection double loop power supply of branch power switch manually selects the first power inleting terminal of device,Double loop power supply manually selects one end of the temperature control contactor in the second source end of incoming cables connection air-cooled control cabinet Cooler Power module of device.The utility model used device is few, power supply reliability is high, power supply is flexible.
Description
Technical field
The utility model is related to electrical equipment technical fields, and in particular to a kind of forced oil-circulation air-cooled transformer cooler
The device thrown by force.
Background technology
Transformer (reactor) is the electrical equipment of substation (current conversion station) most critical, in operation due to copper loss, iron loss and
There are fever, Wen Sheng directly affects the service life of its insulating materials, therefore, in the large size oil-filled equipment operation such as transformer (reactor)
It must be cooled down.At present, mainly using the air-cooled cooling side of forced oil-circulation in 220kV and more than substation (current conversion station)
Formula.Cooling system mainly by heat exchanger, oil-immersed pump, cooling fan and current transformer, temperature sensor, oil flow relay,
The compositions such as control device.Wherein oil-immersed pump and the cooler that cooling fan forms are made by two-way general supply after switching device selects
For power supply, to improve the power supply reliability of cooler, the two-way power supply of transformer (reactor) is selected through switching control
After selecting, the contact-relay that two-way incoming power corresponds to one to be controlled to be attracted the power supply as each group cooler.However
It has the following problems in actual use：(1) the power transfer device failure of two-way electric power incoming line or two-way electric power incoming line circuit
During corresponding contact-relay failure, it will cause two-way electric power incoming line that can not select and whole coolers occur and lose power supply
Situation.If the raising of transformer (reactor) constant temperature may lead to protection act, system power supply is influenced；(2) system is normal
During operation, the start and stop of cooler are controlled by external signal.When there is control loop failure, (control signal power source is lost in operation
Lose, controller failure when) when, will cause cooler that cannot normally put into, influence the heat dissipation of transformer.Such as transformer (reactor)
Constant temperature raising may lead to protection act, influence system power supply.
Utility model content
The purpose of this utility model is to provide the device that a kind of forced oil-circulation air-cooled transformer cooler is thrown by force, this dresses
It puts that used device is few, at low cost, power supply reliability is high, power supply is flexible and safety is good, can be widely popularized.
In order to solve the above technical problems, a kind of forced oil-circulation air-cooled transformer cooler is thrown by force disclosed in the utility model
Device, it include air-cooled control cabinet Cooler Power module, which is characterized in that it further includes cooler air cooler and throws electricity by force
Source cabinet, the cooler air cooler throw by force power cabinet include battery main switch, master switch in cabinet, double loop power supply switching switch,
Load power busbar, branch power switch and double loop power supply manually select device, wherein, the power input of battery main switch connects
Connect third road air-cooled control cabinet cooler three phase mains, the power supply of master switch is defeated in the power output end connecting cabinet of battery main switch
Enter end, the air-cooled control cabinet of the first power inleting terminal of double loop power supply switching switch connection air-cooled control cabinet Cooler Power module is cold
But device power supply, the power output end of master switch, two-way in the second source end of incoming cables connecting cabinet of double loop power supply switching switch
The power outlet end connected load power source bus of power change-over switch, one end access load power busbar of branch power switch,
The other end connection double loop power supply of branch power switch manually selects the first power inleting terminal of device, and double loop power supply manually selects
One end of temperature control contactor in the second source end of incoming cables connection air-cooled control cabinet Cooler Power module of device, double loop power supply
The power outlet end for manually selecting device is used to connect the feeder ear of oil-immersed pump or cooling fan motor.
The utility model is had the advantage that due to use more than technical characterstic：
1st, third road air-cooled control cabinet cooler three phase mains has been increased newly, it is mutually independent with former power supply, improve power supply reliability；
2nd, strong throwing device is added in, and each load power can be in former electric power loop and third road air-cooled control cabinet in strong throwing circuit
It is selected in cooler three phase mains, improves power supply flexibility；
3rd, the double loop power supply for increasing single-pole double throw between load and main circuit power, strong throwing power supply manually selects device, can
It effectively prevent non-Switching Synchronization, it is ensured that the safety of power supply power supply.And utility model is simple in structure, input cost is few, equipment behaviour
Make easy, feasibility height, economic benefit is apparent, and safe and reliable, easy to spread.
Description of the drawings
Fig. 1 is the electrical block diagram of the utility model.
Wherein, 1-air-cooled control cabinet Cooler Power module, 1.1-first via air-cooled control cabinet cooler three phase mains,
1.2-the second road air-cooled control cabinet cooler three phase mains, 1.3-first via electrical power contacts relay, the 1.4-the second road power supply
Contact-relay, 1.5-power source switching controller, 1.6-Cooler Power switch, 1.7-temperature control contactor, 2-cooler
Air cooler throws by force that power cabinet, 3-battery main switch, master switch, 5-double loop power supply switching switch, 6-voltage are cut in 4-cabinet
It changes display device, 7-load power busbar, 8-branch power switch, 9-double loop power supply and manually selects device, 10-third road
Air-cooled control cabinet cooler three phase mains.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail：
The device that a kind of forced oil-circulation air-cooled transformer cooler of the utility model is thrown by force, as shown in Figure 1, it includes
Air-cooled control cabinet Cooler Power module 1, which is characterized in that it further includes cooler air cooler and throws power cabinet 2 by force, described cold
But device air cooler throws by force power cabinet 2 and includes battery main switch 3, master switch 4, double loop power supply switching switch 5, load power in cabinet
Busbar 7, branch power switch 8 and double loop power supply manually select device 9, wherein, the power input of battery main switch 3 connection the
Three road air-cooled control cabinet cooler three phase mains 10, the power supply of master switch 4 is defeated in the power output end connecting cabinet of battery main switch 3
Enter end, the air-cooled control cabinet of 5 first power inleting terminal of double loop power supply switching switch connection air-cooled control cabinet Cooler Power module 1
Cooler power supply, the power output end of master switch 4 in the second source end of incoming cables connecting cabinet of double loop power supply switching switch 5,
The power outlet end connected load power source bus 7 of double loop power supply switching switch 5, one end access load electricity of branch power switch 8
Source busbar 7, the other end connection double loop power supply of branch power switch 8 manually select the first power inleting terminal of device 9, two-way electricity
Source manually selects the temperature control contactor 1.7 in the second source end of incoming cables connection air-cooled control cabinet Cooler Power module 1 of device 9
One end, the power outlet end that double loop power supply manually selects device 9 is used to connect the feeder ear of oil-immersed pump or cooling fan motor.
Above-mentioned double loop power supply switching switch 5 and double loop power supply manually select device 9, will throw by force power supply and main electricity every
From, it is ensured that main circuit power can be disconnected thoroughly when input throws by force power supply, prevent non-Switching Synchronization.
In above-mentioned technical proposal, the air-cooled control cabinet Cooler Power module 1 includes power source switching controller 1.5, cold
But appliance mains switch 1.6, temperature control contactor 1.7, first via air-cooled control cabinet cooler three phase mains 1.1, the cold control of the second transportation work style
Cabinet cooler three phase mains 1.2 processed, first via electrical power contacts relay 1.3, the second road electrical power contacts relay 1.4, described
Air-cooled control cabinet cooler three phase mains 1.1 connects the power input of first via electrical power contacts relay 1.3, the second tunnel all the way
Air-cooled control cabinet cooler three phase mains 1.2 connects the power input of the second road electrical power contacts relay 1.4, first via power supply
The power output end of contact-relay 1.3 connect to form air-cooled control with the power output end of the second road electrical power contacts relay 1.4
Cabinet cooler power supply processed；
The voltage measurement end of the power source switching controller 1.5 is respectively connected to first via air-cooled control cabinet cooler three-phase electricity
1.1 and second road air-cooled control cabinet cooler three phase mains 1.2 of source, the first relay control of the power source switching controller 1.5
The control terminal of signal output end processed connection first via electrical power contacts relay 1.3, the power source switching controller 1.5 second after
Electrical appliance control signal output terminal connects the control terminal of the second road electrical power contacts relay 1.4, one end of Cooler Power switch 1.6
The air-cooled control cabinet cooler power supply is accessed, the other end connection temperature control contactor 1.7 of Cooler Power switch 1.6
The other end.
In above-mentioned technical proposal, the temperature control contactor 1.7 is by programmable logic controller (PLC) according to Programmable logical controller
The temperature signal of device acquisition is controlled.When programmable controller detects the winding temperature of transformer (reactor) higher than setting
Corresponding cooler (oil-immersed pump, cooling fan) is put into during value, is set when the oil temperature for detecting transformer (reactor) ontology is less than
Corresponding cooler (oil-immersed pump, cooling fan) is exited during definite value.
In above-mentioned technical proposal, between the power outlet end of the double loop power supply switching switch 5 and load power busbar 7
Voltage switching display device 6 is parallel on circuit.The voltage switching display device 6 of parallel connection installing on busbar, for throwing by force
The power conditions in circuit are checked, are monitored.
The first via air-cooled control cabinet cooler three phase mains 1.1, the second road air-cooled control cabinet cooler three phase mains
1.2 and third road air-cooled control cabinet cooler three phase mains 10 be 400V three-phase alternating-current supplies.
In above-mentioned technical proposal, battery main switch 3 is used to switch third road air-cooled control cabinet cooler three phase mains 10, cabinet
Interior master switch 4 is used to that cooler air cooler to be controlled to throw power cabinet 2 and third road air-cooled control cabinet cooler three phase mains 10 by force
Connection.
In above-mentioned technical proposal, the power source switching controller 1.5 for control first via electrical power contacts relay 1.3 or
Second road electrical power contacts relay 1.4 is connected.
It is a kind of to throw method by force using the forced oil-circulation air-cooled transformer cooler of above device, which is characterized in that it is wrapped
Include following steps：
Step 1：During original state, the control control first via electrical power contacts of power source switching controller 1.5 relay 1.3 or the
Two road electrical power contacts relays 1.4 are connected, in original state, when first via electrical power contacts relay 1.3 is connected, the second road electricity
Source contact-relay 1.4 disconnects, and first via air-cooled control cabinet cooler three phase mains 1.1 is switched by Cooler Power at this time
1.6th, temperature control contactor 1.7 is powered to oil-immersed pump or cooling fan motor, and (double loop power supply, which manually selects device 9, at this time connects temperature control
Tentaculum 1.7 is connected with the feeder ear of oil-immersed pump or cooling fan motor), the voltage measurement end of power source switching controller 1.5 is real-time
First via air-cooled control cabinet cooler three phase mains 1.1 is monitored, when monitoring first via air-cooled control cabinet cooler three phase mains
When 1.1 generation open circuits or short trouble cause incoming power electric voltage exception, power source switching controller 1.5 controls first via power supply to connect
It touches relay 1.3 to disconnect, the second road electrical power contacts relay 1.4 is connected, at this time by the second road air-cooled control cabinet cooler three-phase
Power supply 1.2 is powered by Cooler Power switch 1.6 and temperature control contactor 1.7 to oil-immersed pump or cooling fan motor；
In original state, when the second road electrical power contacts relay 1.4 is connected, first via electrical power contacts relay 1.3 is disconnected
When opening, at this point, the second road electrical power contacts relay 1.4 is powered to oil-immersed pump or cooling fan motor, (double loop power supply is manual at this time
Selection device 9 makes temperature control contactor 1.7 be connected with the feeder ear of oil-immersed pump or cooling fan motor), power source switching controller 1.5
Voltage measurement end the second road air-cooled control cabinet cooler three phase mains 1.2 of monitoring in real time, when monitoring the cold control of the second transportation work style
Open circuit or short trouble occur for cabinet cooler three phase mains 1.2 when causing incoming power electric voltage exception, power source switching controller 1.5
The second road electrical power contacts relay 1.4 is controlled to disconnect, first via electrical power contacts relay 1.3 is connected, air-cooled by the first via at this time
Switch board cooler three phase mains 1.1 is powered to oil-immersed pump or cooling fan motor；
Step 2：When first via air-cooled control cabinet cooler three phase mains 1.1 and the second road air-cooled control cabinet cooler three-phase
Power supply 1.2 breaks down or first via electrical power contacts relay 1.3 and the second road electrical power contacts relay 1.4 occur therefore
During barrier, control double loop power supply switching switch 5 and double loop power supply manually select 9 switching action of device, make third road air-cooled control cabinet
Cooler three phase mains 10 accesses load power busbar 7, oil-immersed pump or the feeder ear of cooling fan motor and branch power switch 8
Connection, third road air-cooled control cabinet cooler three phase mains 10 are powered to oil-immersed pump or cooling fan motor, realize cooler
It is strong to throw.
The utility model works as first via air-cooled control cabinet cooler three phase mains 1.1 and the second road air-cooled control cabinet cooler
When the power transfer device failure of three phase mains 1.2 or the corresponding contact-relay failure in two-way electric power incoming line circuit, by third
Road air-cooled control cabinet cooler three phase mains the last 10 is thrown and is powered, it is therefore prevented that whole coolers lose the situation of power supply.
Avoiding the raising of transformer (reactor) constant temperature possible leads to protection act.
The content that this specification is not described in detail belongs to the prior art well known to professional and technical personnel in the field.
Claims (6)
1. the device that a kind of forced oil-circulation air-cooled transformer cooler is thrown by force, it includes air-cooled control cabinet Cooler Power module
(1), which is characterized in that it further includes cooler air cooler and throws power cabinet (2) by force, and the cooler air cooler throws by force power supply
Cabinet (2) includes master switch (4), double loop power supply switching switch (5), load power busbar (7), branch in battery main switch (3), cabinet
Power switch (8) and double loop power supply manually select device (9), wherein, the power input connection third road of battery main switch (3)
Air-cooled control cabinet cooler three phase mains (10), the power supply of master switch (4) in the power output end connecting cabinet of battery main switch (3)
Input terminal, (5) first power inleting terminal of double loop power supply switching switch connect the air-cooled of air-cooled control cabinet Cooler Power module (1)
Switch board cooler power supply, the electricity of master switch (4) in the second source end of incoming cables connecting cabinet of double loop power supply switching switch (5)
Source output terminal, the power outlet end connected load power source bus (7) of double loop power supply switching switch (5), branch power switch (8)
One end access load power busbar (7), the other end connection double loop power supply of branch power switch (8) manually select device (9)
First power inleting terminal, double loop power supply manually select the second source end of incoming cables connection air-cooled control cabinet cooler electricity of device (9)
One end of temperature control contactor (1.7) in source module (1), double loop power supply manually select the power outlet end of device (9) for connecting
Connect the feeder ear of oil-immersed pump or cooling fan motor.
2. the device that forced oil-circulation air-cooled transformer cooler according to claim 1 is thrown by force, it is characterised in that：It is described
Air-cooled control cabinet Cooler Power module (1) connects including power source switching controller (1.5), Cooler Power switch (1.6), temperature control
Tentaculum (1.7), first via air-cooled control cabinet cooler three phase mains (1.1), the second road air-cooled control cabinet cooler three phase mains
(1.2), first via electrical power contacts relay (1.3), the second road electrical power contacts relay (1.4), the air-cooled control of the first via
The power input of cabinet cooler three phase mains (1.1) connection first via electrical power contacts relay (1.3), the cold control of the second transportation work style
Cabinet cooler three phase mains (1.2) connects the power input of the second road electrical power contacts relay (1.4), first via electrical power contacts
The power output end of relay (1.3) connect to form air-cooled control with the power output end of the second road electrical power contacts relay (1.4)
Cabinet cooler power supply processed；
The voltage measurement end of the power source switching controller (1.5) is respectively connected to first via air-cooled control cabinet cooler three phase mains
(1.1) and the second road air-cooled control cabinet cooler three phase mains (1.2), the first relay of the power source switching controller (1.5)
The control terminal of device control signal output connection first via electrical power contacts relay (1.3), the power source switching controller (1.5)
The second relay control signal output terminal connect the control terminal of the second road electrical power contacts relay (1.4), Cooler Power opens
The air-cooled control cabinet cooler power supply, the other end connection of Cooler Power switch (1.6) are accessed in the one end for closing (1.6)
The other end of temperature control contactor (1.7).
3. the device that forced oil-circulation air-cooled transformer cooler according to claim 2 is thrown by force, it is characterised in that：It is described
Temperature control contactor (1.7) is controlled by programmable logic controller (PLC) according to the temperature signal that programmable logic controller (PLC) acquires.
4. the device that forced oil-circulation air-cooled transformer cooler according to claim 2 is thrown by force, it is characterised in that：It is described
It is aobvious that voltage switching is connected on circuit between the power outlet end of double loop power supply switching switch (5) and load power busbar (7)
Showing device (6).
5. the device that forced oil-circulation air-cooled transformer cooler according to claim 2 is thrown by force, it is characterised in that：It is described
First via air-cooled control cabinet cooler three phase mains (1.1), the second road air-cooled control cabinet cooler three phase mains (1.2) and third
Road air-cooled control cabinet cooler three phase mains (10) is 400V three-phase alternating-current supplies.
6. the device that forced oil-circulation air-cooled transformer cooler according to claim 2 is thrown by force, it is characterised in that：It is described
Power source switching controller (1.5) is for controlling first via electrical power contacts relay (1.3) or the second road electrical power contacts relay
(1.4) it connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721682368.6U CN207530608U (en) | 2017-12-06 | 2017-12-06 | The device that forced oil-circulation air-cooled transformer cooler is thrown by force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721682368.6U CN207530608U (en) | 2017-12-06 | 2017-12-06 | The device that forced oil-circulation air-cooled transformer cooler is thrown by force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207530608U true CN207530608U (en) | 2018-06-22 |
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ID=62577971
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721682368.6U Active CN207530608U (en) | 2017-12-06 | 2017-12-06 | The device that forced oil-circulation air-cooled transformer cooler is thrown by force |
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| Country | Link |
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| CN (1) | CN207530608U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107769363A (en) * | 2017-12-06 | 2018-03-06 | 国家电网公司 | The apparatus and method that forced oil-circulation air-cooled transformer cooler is thrown by force |
-
2017
- 2017-12-06 CN CN201721682368.6U patent/CN207530608U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107769363A (en) * | 2017-12-06 | 2018-03-06 | 国家电网公司 | The apparatus and method that forced oil-circulation air-cooled transformer cooler is thrown by force |
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