CN207409830U - Middle pressure reactor starting electricity cabinet - Google Patents
Middle pressure reactor starting electricity cabinet Download PDFInfo
- Publication number
- CN207409830U CN207409830U CN201721403222.3U CN201721403222U CN207409830U CN 207409830 U CN207409830 U CN 207409830U CN 201721403222 U CN201721403222 U CN 201721403222U CN 207409830 U CN207409830 U CN 207409830U
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- CN
- China
- Prior art keywords
- cabinet
- motor
- starting
- reactor
- indicator light
- 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
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Abstract
The utility model discloses middle pressure reactor starting electricity cabinets,First close two station disconnecting switchs,The first start button is pressed again,Line contact device is closed,Starting reactor works,Electric motor starting,Bypass contactor automatic pick,Line contact device disconnects,Starting reactor does not work,Motor enters normal operation mode startup and finishes,Press the second start button,Line contact device disconnects,Motor stops,The stopping of two station disconnecting switchs is divided to finish again,I.e. when electric motor starting is completed,Line contact device disconnects,In motor operation,Effectively the outgoing line side of starting reactor is made to isolate with circuit,Reduce the loss of reactor,Extend the service life of reactor,Reactor starting electricity cabinet is pressed in this,Pass through the current-limiting reactor in the stator circuit of motor,The starting current of limiting motor,Voltage on motor stator is reduced so as to reach,After electric motor starting,Again by being cut off to reactor,Realize the normal startup of motor,Beneficial to the popularization and application of industry.
Description
Technical field
The utility model is related to electrical equipment technical field more particularly to middle pressure reactor starting electricity cabinets.
Background technology
With the fast development of China's economy, large enterprise and Large-Scale Equipment are more and more, the application of large and middle size motor
It is more and more extensive.Due to that can reduce the input of step-down transformer using the high-voltage motor of 6kV, 10kV, reduce leading for transmission line of electricity
Device efficiency is improved in line section, and therefore, the application percentage of 6kV, 10kV motor expands increasingly, the startup of high-voltage large motor
Method is also increasingly taken seriously.The matter of utmost importance of alternating current generator operation is to start, this is because high power motor, powerful
Directly initiate electric current larger line voltage distribution can be caused to land, large effect can be generated to power grid, also have to motor compared with
Big impact, at the same it is harmful to equipment itself.So rational Starting mode is selected to be subject to the height weight of related technical personnel
Depending on three kinds of Starting mode of AC high-voltage motor generally use：Full voltage starting, reduced-voltage starting and variable frequency starting.Full voltage starting side
Method is easy, and detent torque is big, but can cause voltage ripple of power network, forms the impact to power grid；Motor insulation is injured, reduces motor
Service life.Variable frequency starting performance is good but expensive.Reduced-voltage starting is the initial terminal voltage for reducing motor, reduces starting current,
Reduce the impact of motor start-up.Reduced-voltage starting has reactor starting, compensator starting, hydraulic resistance startup, thermistor
Formula startup, magnet controlled startup and thyristor soft start.Auto-transformer step down start equipment volume is big, failure rate is higher, safeguards
Heavy workload.Thermistor formula starter and hydraulic resistance reduced-voltage starting shortcoming：Volume is big；The poor repeatability of startup protects work(
Can not entirely, troublesome maintenance, security is poor, higher to environmental requirement.Noise is larger during magnet controlled startup work, and when starting can generate
Higher hamonic wave, control accuracy is lower slightly, on the high side.Thyristor soft starting device can cause higher hamonic wave, have to power grid certain
It influences；The failure rate of thyristor is higher；To the more demanding of maintenance personnel；It is on the high side.Electricity currently on the market
There are the following problems for anti-starting cabinet：It is expensive, it is contemplated that magnetic disturbance, floor space are huge mostly using air reactor；Match somebody with somebody
There is the disconnecting switch of three stations, installation and debugging difficulty is larger；Without effectively interlocking between bypass contactor and line contact device, make
The enter line side outgoing line side of dynamic reactor is unanimously powered, this is all a kind of huge to magnetic saturation, loss, service life of reactor etc.
Harm.Therefore, in view of drawbacks described above, the Novel reactor for designing a kind of simple type and being easily installed, which starts cabinet, just seems have
It is necessary.
Utility model content
The technical problem to be solved by the utility model is to：Reactor starting electricity cabinet is pressed in offer, to solve background technology
The problem of proposition.
In order to solve the above technical problems, the technical solution of the utility model is：It is middle pressure reactor starting electricity cabinet, including cabinet,
Two station disconnecting switchs, bypass contactor, line contact device, motor, starting reactor, two station disconnecting switchs are located at
Cabinet inside left upper end, two station disconnecting switchs are connected with cabinet screw thread, and the bypass contactor is located at cabinet
Internal middle-end, the bypass contactor are connected with cabinet screw thread, and the bypass contactor is led with two station disconnecting switchs
Line is connected, and the line contact device is located at cabinet inner right side lower end, and the line contact device is connected with cabinet screw thread, and
The line contact device is connected respectively with two station disconnecting switchs and bypass contactor conducting wire, and the motor is located in cabinet
Lower end on the left of portion, the motor are connected with cabinet screw thread, and the starting reactor is located at motor outer wall, starting electricity
Anti- device is connected with motor internal stator conducting wire.
Further, the cabinet inside left top is additionally provided with arrester, and the arrester is connected with cabinet screw thread.
Further, upper end is additionally provided with the first indicator light, first indicator light and cabinet on the left of the cabinet outer wall
Screw thread is connected, and first indicator light is connected with motor wire.
Further, upper end is additionally provided with the second indicator light, second indicator light and cabinet on the left of the cabinet outer wall
Screw thread is connected, and second indicator light is connected with motor wire.
Further, the cabinet outer wall upper end is additionally provided with the 3rd indicator light, the 3rd indicator light and cabinet screw thread
It is connected, and the 3rd indicator light is connected with motor wire.
Further, the cabinet outer wall upper end is additionally provided with the 4th indicator light, the 4th indicator light and cabinet screw thread
It is connected, and the 4th indicator light is connected with motor wire.
Further, upper end is additionally provided with the first start button on the right side of the cabinet outer wall, first start button with
Cabinet screw thread is connected, and first start button is connected with motor wire.
Further, upper end is additionally provided with the second start button on the right side of the cabinet outer wall, second start button with
Cabinet screw thread is connected, and second start button is connected with motor wire.
Compared with prior art, reactor starting electricity cabinet is pressed in this, during operation, closes two station disconnecting switchs first, then by the
One start button, line contact device are closed, and starting reactor work, electric motor starting, after setting time, bypass contactor is automatic
It is attracted, line contact device disconnects, and starting reactor does not work, and motor enters normal operation mode, and startup finishes, and presses second and opens
Dynamic button, line contact device disconnect, and after motor stops, then divide two station disconnecting switchs, stop finishing, from the above mentioned, work as motor
When starting completion, line contact device disconnects, and in the case of motor operation, effectively makes the outgoing line side and circuit of starting reactor
Isolation, reduces the loss of starting reactor, extends the service life of starting reactor, pressure reactor starting electricity cabinet, knot in this
Structure is ingenious, powerful, passes through the current-limiting reactor in the stator circuit of motor, the starting current of limiting motor, so as to reach
The voltage purpose on motor stator is reduced, is separated after electric motor starting, then by being cut off to reactor, finally realizes motor
It is normal start operation, beneficial to the popularization and application of industry.Meanwhile arrester is for over-voltage, improves the guarantor to equipment
Shield, the first indicator light and the second indicator light are to be used to refer to electric motor starting state, and the 3rd indicator light is with the 4th indicator light
In order to be used to refer to motor operating state.
Description of the drawings
Fig. 1 is the front view of middle pressure reactor starting electricity cabinet；
Fig. 2 is the sectional view of middle pressure reactor starting electricity cabinet；
Fig. 3 is the flow diagram of middle pressure reactor starting electricity cabinet；
Fig. 4 is the primary system figure of middle pressure reactor starting electricity cabinet.
It is cabinet 1, two station disconnecting switchs 2, bypass contactor 3, line contact device 4, motor 5, starting reactor 6, lightning-arrest
Device 101, the first indicator light 102, the second indicator light 103, the 3rd indicator light 104, the 4th indicator light 105, the first start button
106th, the second start button 107.
Following specific embodiment will combine above-mentioned attached drawing and further illustrate.
Specific embodiment
Hereinafter, a variety of specific details are elaborated, in order to provide the saturating of the concept to forming described embodiment basis
Thorough understanding, however, it will be apparent to those skilled in the art that described embodiment can be in these no specific details
In it is some or all in the case of put into practice, in other cases, do not specifically describe well-known processing step.
As shown in Figure 1, Figure 2, Figure 3, Figure 4, middle pressure reactor starting electricity cabinet, including cabinet 1, two station disconnecting switchs 2, bypass
Contactor 3, line contact device 4, motor 5, starting reactor 6, two station disconnecting switchs 2 are located at 1 inside left of cabinet
Upper end, two station disconnecting switchs 2 are connected with 1 screw thread of cabinet, and the bypass contactor 3 is located at 1 inside middle-end of cabinet,
The bypass contactor 3 is connected with 1 screw thread of cabinet, and the bypass contactor 3 and two station disconnecting switchs, 2 conducting wire phase
Even, the line contact device 4 is located at 1 inner right side lower end of cabinet, and the line contact device 4 is connected with 1 screw thread of cabinet, and
The line contact device 4 is connected respectively with two station disconnecting switchs 2 and 3 conducting wire of bypass contactor, and the motor 5 is located at cabinet
1 inside left lower end of body, the motor 5 are connected with 1 screw thread of cabinet, and the starting reactor 6 is located at 5 outer wall of motor, institute
The starting reactor 6 stated is connected with 5 internal stator conducting wire of motor, and the 1 inside left top of cabinet is additionally provided with arrester
101, the arrester 101 is connected with 1 screw thread of cabinet, and upper end is additionally provided with the first indicator light on the left of 1 outer wall of cabinet
102, first indicator light 102 is connected with 1 screw thread of cabinet, and first indicator light 102 is connected with 5 conducting wire of motor,
Upper end is additionally provided with the second indicator light 103, second indicator light 103 and 1 screw thread phase of cabinet on the left of 1 outer wall of cabinet
Even, and second indicator light 103 is connected with 5 conducting wire of motor, and the 1 outer wall upper end of cabinet is additionally provided with the 3rd indicator light
104, the 3rd indicator light 104 is connected with 1 screw thread of cabinet, and the 3rd indicator light 104 is connected with 5 conducting wire of motor,
The 1 outer wall upper end of cabinet is additionally provided with the 4th indicator light 105, and the 4th indicator light 105 is connected with 1 screw thread of cabinet, and
4th indicator light 105 is connected with 5 conducting wire of motor, and upper end is additionally provided with the first start button on the right side of 1 outer wall of cabinet
106, first start button 106 is connected with 1 screw thread of cabinet, and first start button 106 and 5 conducting wire phase of motor
Even, upper end is additionally provided with the second start button 107, second start button 107 and cabinet 1 on the right side of 1 outer wall of cabinet
Screw thread is connected, and second start button 107 is connected with 5 conducting wire of motor.
Reactor starting electricity cabinet is pressed in this, during operation, closes two station disconnecting switchs 2 first, then by the first start button 106,
Line contact device 4 is closed, and starting reactor 6 works, and motor 5 starts, and after setting time, 3 automatic pick of bypass contactor goes out
Line contactor 4 disconnects, and starting reactor 6 does not work, and motor 5 enters normal operation mode, and startup finishes, press the second startup by
Button 107, line contact device 4 disconnect, and after motor 5 stops, then divide two station disconnecting switchs 2, stop finishing, from the above mentioned, work as electricity
When machine 5 starts completion, line contact device 4 disconnects, and in the case where motor 5 is run, effectively makes the outgoing line side of starting reactor 6
Isolate with circuit, reduce the loss of starting reactor 6, extend the service life of starting reactor 6, meanwhile, arrester 101
It is for over-voltage, improves the protection to equipment, the first indicator light 102 is to be used to refer to the second indicator light 103
5 starting state of motor, the 3rd indicator light 104 and the 4th indicator light 105 are to be used to refer to 5 operating status of motor.
The utility model is not limited to above-mentioned specific embodiment, and those of ordinary skill in the art visualize from above-mentioned
Hair, without performing creative labour, a variety of conversion made are all fallen within the scope of protection of the utility model.
Claims (8)
1. reactor starting electricity cabinet is pressed in, it is characterised in that including cabinet, two station disconnecting switchs, bypass contactor, line contact
Device, motor, starting reactor, two station disconnecting switchs are located at cabinet inside left upper end, two stations isolation
Switch is connected with cabinet screw thread, and the bypass contactor is located at middle-end inside cabinet, the bypass contactor and cabinet spiral shell
Line is connected, and the bypass contactor is connected with two station disconnecting switch conducting wires, and the line contact device is located in cabinet
Lower end on the right side of portion, the line contact device is connected with cabinet screw thread, and the line contact device is isolated respectively with two stations
Switch is connected with bypass contactor conducting wire, and the motor is located at cabinet inside left lower end, the motor and cabinet screw thread
It is connected, the starting reactor is located at motor outer wall, and the starting reactor is connected with motor internal stator conducting wire.
2. pressure reactor starting electricity cabinet in as described in claim 1, it is characterised in that the cabinet inside left top is also set
There is arrester, the arrester is connected with cabinet screw thread.
3. pressure reactor starting electricity cabinet in as claimed in claim 2, it is characterised in that upper end is also set on the left of the cabinet outer wall
There is the first indicator light, first indicator light is connected with cabinet screw thread, and first indicator light is connected with motor wire.
4. pressure reactor starting electricity cabinet in as claimed in claim 3, it is characterised in that upper end is also set on the left of the cabinet outer wall
There is the second indicator light, second indicator light is connected with cabinet screw thread, and second indicator light is connected with motor wire.
5. pressure reactor starting electricity cabinet in as claimed in claim 4, it is characterised in that the cabinet outer wall upper end is additionally provided with the
Three indicator lights, the 3rd indicator light are connected with cabinet screw thread, and the 3rd indicator light is connected with motor wire.
6. pressure reactor starting electricity cabinet in as claimed in claim 5, it is characterised in that the cabinet outer wall upper end is additionally provided with the
Four indicator lights, the 4th indicator light are connected with cabinet screw thread, and the 4th indicator light is connected with motor wire.
7. pressure reactor starting electricity cabinet in as claimed in claim 6, it is characterised in that upper end is also set on the right side of the cabinet outer wall
There is the first start button, first start button is connected with cabinet screw thread, and first start button is led with motor
Line is connected.
8. pressure reactor starting electricity cabinet in as claimed in claim 7, it is characterised in that upper end is also set on the right side of the cabinet outer wall
There is the second start button, second start button is connected with cabinet screw thread, and second start button is led with motor
Line is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721403222.3U CN207409830U (en) | 2017-10-27 | 2017-10-27 | Middle pressure reactor starting electricity cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721403222.3U CN207409830U (en) | 2017-10-27 | 2017-10-27 | Middle pressure reactor starting electricity cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207409830U true CN207409830U (en) | 2018-05-25 |
Family
ID=62409036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721403222.3U Expired - Fee Related CN207409830U (en) | 2017-10-27 | 2017-10-27 | Middle pressure reactor starting electricity cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207409830U (en) |
-
2017
- 2017-10-27 CN CN201721403222.3U patent/CN207409830U/en not_active Expired - Fee Related
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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: 20180525 Termination date: 20211027 |