CN207530734U - High-voltage solid-state soft starter device - Google Patents
High-voltage solid-state soft starter device Download PDFInfo
- Publication number
- CN207530734U CN207530734U CN201721325335.6U CN201721325335U CN207530734U CN 207530734 U CN207530734 U CN 207530734U CN 201721325335 U CN201721325335 U CN 201721325335U CN 207530734 U CN207530734 U CN 207530734U
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- China
- Prior art keywords
- state soft
- solid
- soft starter
- voltage
- starter device
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Abstract
The utility model provides a kind of high-voltage solid-state soft starter device.Include switchgear and starting cabinet, the two is separately independently arranged, and solid state soft starting device is wherein provided in starting cabinet, and solid state soft starting device is connected in rotor circuit；Include series thyristor module in the main line of the solid state soft starting device, be parallel with bypass vacuum A. C. contactor beside series thyristor module, vacuum A. C. contactor is in series with overvoltage protection device；High-tension current inductor and high voltage potential transformer are also parallel in the main line, the end of main line is connected with electronic control system.The utility model is simple in structure, and floor space is small, installs and is easily serviced, and has preferable stability, is influenced by the temperature and humidity of environment smaller, improves service life and the safety of starter.
Description
Technical field
The utility model is related to high volt starter equipment technical fields, are related specifically to a kind of high-voltage solid-state soft start dress
It puts.
Background technology
High-voltage solid-state soft starter device is formed by multiple thyristor connection in series-parallel, is controlled by controlling the Trigger Angle of thyristor
The size of output voltage processed meets electric current and voltage request different in motor starting process.In motor starting process, ZHGQ
High-voltage solid-state soft starter device increases the terminal voltage of motor, motor is made smoothly to accelerate according to preset starting curve, so as to
When reducing electric motor starting to power grid, motor in itself, the electrical and mechanical shock of associated devices.When motor reaches rated speed
Afterwards, it bypasses vacuum contactor or closing of power circuit breaker, electric motor starting finishes.Hereafter, soft starter device continues to monitor motor and provide
Various error protections.
High-voltage solid-state soft starter device is primarily adapted for use in the soft-start by lowering voltage of various large and medium-sized high-tension motors.Current is soft
Starter is influenced bigger by environment temperature and humidity, and curent change when starting is bigger.The volume of starter simultaneously
Also huger, installation and maintenance are also very inconvenient.
Therefore it needs to design a kind of soft starter device.
Invention content
Technical problem to be solved in the utility model is to provide a kind of simple in structure the defects of overcoming the prior art, is accounted for
Ground area is small, installs and is easily serviced, and has preferable stability, is influenced by the temperature and humidity of environment smaller, carries
The service life of high starter and the high-voltage solid-state soft starter device of safety.
To achieve these goals, the utility model uses following technical scheme：
High-voltage solid-state soft starter device, which is characterized in that include switchgear and starting cabinet, the two is separately independently arranged,
Solid state soft starting device is wherein provided in starting cabinet, solid state soft starting device is connected in rotor circuit；Described consolidates
Include series thyristor module in the main line of state soft starter device, bypass vacuum is parallel with beside series thyristor module and is handed over
Contactor is flowed, vacuum A. C. contactor is in series with overvoltage protection device；High-tension current mutual inductance is also parallel in the main line
Device and high voltage potential transformer, the end of main line are connected with electronic control system.
In said program, the electronic control system includes signal processing apparatus, and signal processing apparatus is connected with
DSP control system, DSP control system are externally provided with communication interface.
In said program, the communication interface includes RS485 interfaces, liquid crystal display and keyboard interface and I/O
Interface.
In said program, the high-voltage solid-state soft starter device uses cabinet type structure, and bottom of cabinet inlet-outlet line mode is connecing
During line, it is only necessary to which high-voltage solid-state soft starter device is connected between access high-tension motor and high-tension switch cabinet.
The present apparatus is by changing the Trigger Angle of thyristor so that and its output voltage changes, during so as to reduce electric motor starting
Terminal voltage and starting current, make motor speed gradually smoothly increase to rated speed, so as to fulfill the soft of large and medium motor
It starts.
The utility model is by adopting the above-described technical solution, have the advantages that：
The utility model is simple in structure, and floor space is small, installs and is easily serviced, and has preferable stability, by
The temperature and humidity influence of environment is smaller, improves service life and the safety of starter.
Description of the drawings
Fig. 1 is the wiring diagram of the utility model embodiment and motor；
Fig. 2 is the utility model embodiment cabinet body structure figure；
Fig. 3 is the utility model embodiment line map.
Specific embodiment
In order to which the content for making the utility model is readily apparent understood, below according to specific embodiment and combine attached
Figure, is described in further detail the utility model.
The high-voltage solid-state soft starter device as shown in Fig. 1 Fig. 2 Fig. 3, includes switchgear and starting cabinet, and the two is separated and independently set
It puts, solid state soft starting device is wherein provided in starting cabinet, solid state soft starting device is connected in rotor circuit；Described
Include series thyristor module in the main line of solid state soft starting device, bypass vacuum is parallel with beside series thyristor module
A.C. contactor, vacuum A. C. contactor are in series with overvoltage protection device；It is mutual that high-tension current is also parallel in the main line
Sensor and high voltage potential transformer, the end of main line are connected with electronic control system.
In the present embodiment, the electronic control system includes signal processing apparatus, and signal processing apparatus is connected with
DSP control system, DSP control system are externally provided with communication interface.
In the present embodiment, the communication interface includes RS485 interfaces, liquid crystal display and keyboard interface and I/O
Interface.
In the present embodiment, the high-voltage solid-state soft starter device uses cabinet type structure, and bottom of cabinet inlet-outlet line mode is connecing
During line, it is only necessary to which high-voltage solid-state soft starter device is connected between access high-tension motor and high-tension switch cabinet.
Particular embodiments described above, the technical issues of being solved to the utility model, technical solution and advantageous effect into
Go further description, it should be understood that the foregoing is merely specific embodiment of the utility model, and do not have to
In limitation the utility model, within the spirit and principle of the utility model, any modification, equivalent substitution and improvements done
Deng should be included within the scope of protection of this utility model.
Claims (4)
1. high-voltage solid-state soft starter device, which is characterized in that include switchgear and starting cabinet, the two is separately independently arranged,
Solid state soft starting device is provided in middle starting cabinet, solid state soft starting device is connected in rotor circuit；The solid-state
Include series thyristor module in the main line of soft starter device, bypass vacuum communication is parallel with beside series thyristor module
Contactor, vacuum A. C. contactor are in series with overvoltage protection device；High-tension current inductor is also parallel in the main line
And high voltage potential transformer, the end of main line are connected with electronic control system.
2. high-voltage solid-state soft starter device as described in claim 1, which is characterized in that the electronic control system includes
Signal processing apparatus, signal processing apparatus are connected with DSP control system, and DSP control system is externally provided with communication interface.
3. high-voltage solid-state soft starter device as claimed in claim 2, which is characterized in that the communication interface includes
RS485 interfaces, liquid crystal display and keyboard interface and I/O interfaces.
4. high-voltage solid-state soft starter device as described in claim 1, which is characterized in that the high-voltage solid-state soft starter device
Using cabinet type structure, bottom of cabinet inlet-outlet line mode, in wiring, it is only necessary to high-voltage solid-state soft starter device be connected and access high-voltage electricity
Between motivation and high-tension switch cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721325335.6U CN207530734U (en) | 2017-10-16 | 2017-10-16 | High-voltage solid-state soft starter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721325335.6U CN207530734U (en) | 2017-10-16 | 2017-10-16 | High-voltage solid-state soft starter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207530734U true CN207530734U (en) | 2018-06-22 |
Family
ID=62569382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721325335.6U Expired - Fee Related CN207530734U (en) | 2017-10-16 | 2017-10-16 | High-voltage solid-state soft starter device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207530734U (en) |
-
2017
- 2017-10-16 CN CN201721325335.6U patent/CN207530734U/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: 20180622 Termination date: 20181016 |