CN107769363A - The apparatus and method that forced oil-circulation air-cooled transformer cooler is thrown by force - Google Patents
The apparatus and method that forced oil-circulation air-cooled transformer cooler is thrown by force Download PDFInfo
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- CN107769363A CN107769363A CN201711278154.7A CN201711278154A CN107769363A CN 107769363 A CN107769363 A CN 107769363A CN 201711278154 A CN201711278154 A CN 201711278154A CN 107769363 A CN107769363 A CN 107769363A
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- 238000000034 method Methods 0.000 title claims description 8
- 238000001816 cooling Methods 0.000 claims description 29
- 230000005611 electricity Effects 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 8
- 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
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 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
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/08—Cooling; Ventilating
- H01F27/085—Cooling by ambient air
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Transformer Cooling (AREA)
Abstract
The present invention relates to the device that a kind of forced oil-circulation air-cooled transformer cooler is thrown by force,The power input of its battery main switch connects the 3rd road air-cooled control cabinet cooler three phase mains,The power input of master switch in the power output end connecting cabinet of battery main switch,The air-cooled control cabinet cooler power supply of double loop power supply switching switch the first power inleting terminal connection 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 bus of branch road power switch,The other end connection double loop power supply of branch road 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.Used device of the present invention is few, power supply reliability is high, power supply is flexible.
Description
Technical field
The present invention relates to electrical equipment technical field, and in particular to a kind of forced oil-circulation air-cooled transformer cooler is thrown by force
Apparatus and method.
Background technology
Transformer (reactor) is the electrical equipment of transformer station (current conversion station) most critical, in operation due to copper loss, iron loss and
In the presence of heating, temperature rise directly affects the life-span of its insulating materials, therefore, in the large-scale oil-filled equipment operation such as transformer (reactor)
It must be cooled down.At present, the air-cooled cooling side of forced oil-circulation is mainly used in 220kV and above transformer station (current conversion station)
Formula.Cooling system mainly by heat exchanger, oil-immersed pump, cooling fan and current transformer, temperature sensor, oil flow relay,
Control device etc. forms.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) selects through switching control
After selecting, to control the corresponding one contact-relay adhesive of two-way incoming power as the power supply of each group cooler.But
Problems with actual use be present：(1) the power transfer device failure of two-way electric power incoming line or two-way electric power incoming line loop
During corresponding contact-relay failure, two-way electric power incoming line will be caused can not to select and whole coolers occur and lose power supply
Situation.It may cause protection act as transformer (reactor) constant temperature raises, influence system power supply；(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 supply is lost in operation
Mistake, controller failure etc.) when, cooler will be caused normally to put into, influence the radiating of transformer.Such as transformer (reactor)
Constant temperature rise may cause protection act, influence system power supply.
The content of the invention
It is an object of the invention to provide the apparatus and method that a kind of forced oil-circulation air-cooled transformer cooler is thrown by force, this
Apparatus and method used device is few, cost is low, power supply reliability is high, power supply is flexible and security is good, can be widely popularized.
In order to solve the above technical problems, the dress that a kind of forced oil-circulation air-cooled transformer cooler disclosed by the invention is thrown by force
Put, it includes air-cooled control cabinet Cooler Power module, it is characterised in that it also throws by force power supply including cooler air cooler
Cabinet, the cooler air cooler throw by force power cabinet and switch switch including master switch, double loop power supply in battery main switch, cabinet, bear
Lotus power source bus, branch road power switch and double loop power supply manually select device, wherein, the power input connection of battery main switch
3rd road air-cooled control cabinet cooler three phase mains, the power input of master switch in the power output end connecting cabinet of battery main switch
End, the air-cooled control cabinet cooling of double loop power supply switching switch the first power inleting terminal connection air-cooled control cabinet Cooler Power module
Device power supply, double loop power supply switch the power output end of master switch in the second source end of incoming cables connecting cabinet of switch, two-way electricity
The power outlet end connected load power source bus of source switching switch, one end access load power bus of branch road power switch, branch
The other end connection double loop power supply of road power switch manually selects the first power inleting terminal of device, and double loop power supply manually selects dress
The one end for the temperature control contactor in second source end of incoming cables connection air-cooled control cabinet Cooler Power module put, double loop power supply hand
The power outlet end of dynamic selection device is used for the feeder ear for connecting oil-immersed pump or cooling fan motor.
It is a kind of to throw method by force using the forced oil-circulation air-cooled transformer cooler of said apparatus, it is characterised in that it is wrapped
Include following steps：
Step 1：During original state, power source switching controller control control first via electrical power contacts relay or the second road electricity
Source contact-relay is connected, in original state, when first via electrical power contacts relay is connected, the second road electrical power contacts relay
Disconnect, now first via air-cooled control cabinet cooler three phase mains is powered to oil-immersed pump or cooling fan motor, power supply switching control
The voltage measurement end of device processed monitors first via air-cooled control cabinet cooler three phase mains in real time, when monitoring the air-cooled control of the first via
Open circuit or short trouble occur for cabinet cooler three phase mains when causing incoming power electric voltage exception, power source switching controller control the
Electrical power contacts relay is disconnected all the way, and the second road electrical power contacts relay is connected, now by the second road air-cooled control cabinet cooler
Three phase mains is powered to oil-immersed pump or cooling fan motor；
In original state, when the second road electrical power contacts relay is connected, when first via electrical power contacts relay disconnects, this
When, the second road electrical power contacts relay is powered to oil-immersed pump or cooling fan motor, the voltage measurement end of power source switching controller
The second road air-cooled control cabinet cooler three phase mains of monitoring in real time, when monitoring the second road air-cooled control cabinet cooler three phase mains
When generation open circuit or short trouble cause incoming power electric voltage exception, power source switching controller controls the second road electrical power contacts relay
Device is disconnected, and first via electrical power contacts relay is connected, now by first via air-cooled control cabinet cooler three phase mains to oil-immersed pump
Or cooling fan motor power supply；
Step 2：When first via air-cooled control cabinet cooler three phase mains and the second road air-cooled control cabinet cooler three-phase electricity
Source is broken down, or first via electrical power contacts relay and the second road electrical power contacts relay break down or above-mentioned first
The auxiliary contact failure of road electrical power contacts relay and the second road electrical power contacts relay causes first via air-cooled control cabinet to cool down
When device three phase mains and the second road air-cooled control cabinet cooler three phase mains can not be put into, control double loop power supply switching switch and double
Road power supply manually selects device switching action, makes the 3rd road air-cooled control cabinet cooler three phase mains access load power bus,
The feeder ear of oil-immersed pump or cooling fan motor is connected with branch road power switch, the 3rd road air-cooled control cabinet cooler three phase mains
Powered to oil-immersed pump or cooling fan motor, realize the strong throwing of cooler.
The present invention has the advantage that due to using above technical characterstic：
1st, the 3rd 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, and each load power can be in former electric power loop and the 3rd road air-cooled control cabinet in strong throwing loop
Selected in cooler three phase mains, improve 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
Effectively prevent non-Switching Synchronization, it is ensured that the security of power supply power supply.And inventive structure is simple, input cost is few, equipment operation is simple
Just, feasibility is high, and economic benefit is obvious, and securely and reliably, it is easy to spread.
Brief description of the drawings
Fig. 1 is the electrical block diagram of the present invention.
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 power cabinet, 3-battery main switch, master switch, 5-double loop power supply switching switch, 6-voltage are cut in 4-cabinet
Change display device, 7-load power bus, 8-branch road power switch, 9-double loop power supply and manually select device, the 10-the three tunnel
Air-cooled control cabinet cooler three phase mains.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail：
The device that a kind of forced oil-circulation air-cooled transformer cooler of the present invention is thrown by force, as shown in figure 1, it is including air-cooled
Switch board Cooler Power module 1, it is characterised in that it also throws by force power cabinet 2, the cooler including cooler air cooler
Air cooler, which throws by force power cabinet 2, includes master switch 4, double loop power supply switching switch 5, load power bus in battery main switch 3, cabinet
7th, branch road power switch 8 and double loop power supply manually select device 9, wherein, the power input of battery main switch 3 connects the 3rd tunnel
Air-cooled control cabinet cooler three phase mains 10, the power input of master switch 4 in the power output end connecting cabinet of battery main switch 3
End, the air-cooled control cabinet of double loop power supply switching switch 5 first power inleting terminals connection air-cooled control cabinet Cooler Power module 1 are cold
But device power supply, double loop power supply switches the power output end of master switch 4 in the second source end of incoming cables connecting cabinet of switch 5, double
The power outlet end connected load power source bus 7 of road power change-over switch 5, one end access load power of branch road power switch 8
Bus 7, the other end connection double loop power supply of branch road power switch 8 manually select the first power inleting terminal of device 9, double loop power supply
Manually select 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 are used for the feeder ear for connecting 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 thoroughly disconnect 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 is connected 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
The road air-cooled control cabinet cooler three phase mains 1.2 of source 1.1 and second, the first relay control of the power source switching controller 1.5
The control terminal of signal output part processed connection first via electrical power contacts relay 1.3, the power source switching controller 1.5 second after
Electrical appliance control signal output end 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 collection is controlled.When programmable controller detects the winding temperature of transformer (reactor) higher than setting
Cooler (oil-immersed pump, cooling fan) corresponding to input during value, set when the oil temperature for detecting transformer (reactor) body 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 bus 7
Voltage switching display device 6 is parallel with circuit.The voltage switching display device 6 of installing in parallel on bus, for throwing strong
The power conditions in loop are checked, 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 the 3rd 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 the 3rd road air-cooled control cabinet cooler three phase mains 10, cabinet
Interior master switch 4 is used to control cooler air cooler to throw the road air-cooled control cabinet cooler three phase mains 10 of power cabinet 2 and the 3rd by force
Connection.
In above-mentioned technical proposal, the power source switching controller 1.5 be used 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 said apparatus, it is characterised 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 is disconnected, and now first via air-cooled control cabinet cooler three phase mains 1.1 is switched by Cooler Power
1.6th, temperature control contactor 1.7 is powered to oil-immersed pump or cooling fan motor, and (now double loop power supply, which manually selects device 9, 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
Touch relay 1.3 to disconnect, the second road electrical power contacts relay 1.4 is connected, now 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, now, the second road electrical power contacts relay 1.4 is powered to oil-immersed pump or cooling fan motor, and (now double loop power supply is manual
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, now air-cooled by the first via
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 event occurs for first via electrical power contacts relay 1.3 and the second road electrical power contacts relay 1.4
During barrier, control double loop power supply switching switch 5 and double loop power supply manually select the switching action of device 9, make the 3rd road air-cooled control cabinet
Cooler three phase mains 10 accesses the feeder ear and branch road power switch 8 of load power bus 7, oil-immersed pump or cooling fan motor
Connection, the 3rd 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 present invention works as first via air-cooled control cabinet cooler three phase mains 1.1 and the second road air-cooled control cabinet cooler three-phase
Corresponding to the power transfer device failure of power supply 1.2 or two-way electric power incoming line loop during contact-relay failure, by the 3rd transportation work style
Cold switch board 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.Avoid
The rise of transformer (reactor) constant temperature is possible to cause protection act.
The content that this specification is not described in detail belongs to prior art known to professional and technical personnel in the field.
Claims (7)
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), it is characterised in that it also throws by force power cabinet (2) including cooler air cooler, 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 bus (7), branch road in battery main switch (3), cabinet
Power switch (8) and double loop power supply manually select device (9), wherein, the power input of battery main switch (3) connects the 3rd tunnel
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, double loop power supply switching (5) first power inleting terminals of switch connect the air-cooled of air-cooled control cabinet Cooler Power module (1)
Switch board cooler power supply, double loop power supply switching switch the electricity of master switch (4) in the second source end of incoming cables connecting cabinet of (5)
Source output terminal, the power outlet end connected load power source bus (7) of double loop power supply switching switch (5), branch road power switch (8)
One end access load power bus (7), the other end connection double loop power supply of branch road 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), the power outlet end that double loop power supply manually selects device (9) are used to connect
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) includes power source switching controller (1.5), Cooler Power switchs (1.6), temperature control connects
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) is connected 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 end 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
The temperature signal that temperature control contactor (1.7) is gathered by programmable logic controller (PLC) according to programmable logic controller (PLC) is controlled.
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
Voltage switching is connected with circuit between the power outlet end of double loop power supply switching switch (5) and load power bus (7) to show
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 the 3rd
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 used to control first via electrical power contacts relay (1.3) or the second road electrical power contacts relay
(1.4) connect.
7. a kind of throw by force method using the forced oil-circulation air-cooled transformer cooler of claim 1 described device, its feature exists
In it comprises the following steps：
Step 1：During original state, power source switching controller (1.5) control control first via electrical power contacts 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, second
Road electrical power contacts relay (1.4) disconnects, and now first via air-cooled control cabinet cooler three phase mains (1.1) gives oil-immersed pump or cold
But fan electromotor is powered, and the voltage measurement end of power source switching controller (1.5) monitors first via air-cooled control cabinet cooler in real time
Three phase mains (1.1), when monitor first via air-cooled control cabinet cooler three phase mains (1.1) occur open circuit or short trouble draw
When playing incoming power electric voltage exception, power source switching controller (1.5) control first via electrical power contacts relay (1.3) disconnects, the
Two road electrical power contacts relays (1.4) are connected, and now give oil-immersed pump by the second road air-cooled control cabinet cooler three phase mains (1.2)
Or cooling fan motor power supply；
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, now, the second road electrical power contacts relay (1.4) is powered to 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 second transportation work style
When cold switch board cooler three phase mains (1.2) generation open circuit or short trouble cause incoming power electric voltage exception, power supply switching
Controller (1.5) controls the second road electrical power contacts relay (1.4) to disconnect, and first via electrical power contacts relay (1.3) is connected, this
When powered by first via air-cooled control cabinet cooler three phase mains (1.1) 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 electricity
Source (1.2) is broken down, or first via electrical power contacts relay (1.3) and the second road electrical power contacts relay (1.4) are sent out
During raw failure, control double loop power supply switching switch (5) and double loop power supply manually select device (9) switching action, make the 3rd transportation work style
The feeder ear of cold switch board cooler three phase mains (10) access load power bus (7), oil-immersed pump or cooling fan motor with
Branch road power switch (8) connects, and the 3rd road air-cooled control cabinet cooler three phase mains (10) is to oil-immersed pump or cooling fan motor
Power supply, realizes the strong throwing of cooler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711278154.7A CN107769363A (en) | 2017-12-06 | 2017-12-06 | The apparatus and method that forced oil-circulation air-cooled transformer cooler is thrown by force |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711278154.7A CN107769363A (en) | 2017-12-06 | 2017-12-06 | The apparatus and method that forced oil-circulation air-cooled transformer cooler is thrown by force |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107769363A true CN107769363A (en) | 2018-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711278154.7A Pending CN107769363A (en) | 2017-12-06 | 2017-12-06 | The apparatus and method that forced oil-circulation air-cooled transformer cooler is thrown by force |
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| CN (1) | CN107769363A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109166705A (en) * | 2018-09-20 | 2019-01-08 | 国网黑龙江省电力有限公司检修公司 | A kind of intelligent control method that transformer forced oil is air-cooled |
| CN110706892A (en) * | 2019-10-10 | 2020-01-17 | 国网黑龙江省电力有限公司电力科学研究院 | Transformer cooling system capable of realizing state self-holding function |
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| CN109166705A (en) * | 2018-09-20 | 2019-01-08 | 国网黑龙江省电力有限公司检修公司 | A kind of intelligent control method that transformer forced oil is air-cooled |
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| CN110706892B (en) * | 2019-10-10 | 2022-12-30 | 国网黑龙江省电力有限公司电力科学研究院 | Transformer cooling system capable of realizing state self-holding function |
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