CN105406772B - For winding-type and the general soft starting device and application method of squirrel cage induction motor - Google Patents
For winding-type and the general soft starting device and application method of squirrel cage induction motor Download PDFInfo
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- CN105406772B CN105406772B CN201510969110.3A CN201510969110A CN105406772B CN 105406772 B CN105406772 B CN 105406772B CN 201510969110 A CN201510969110 A CN 201510969110A CN 105406772 B CN105406772 B CN 105406772B
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- China
- Prior art keywords
- disconnecting switch
- squirrel cage
- adjustable resistance
- cage induction
- induction motor
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
- H02P1/16—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters
- H02P1/26—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual polyphase induction motor
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor And Converter Starters (AREA)
Abstract
The present invention relates to the general soft starting device and application method for winding-type and squirrel cage induction motor, when being squirrel cage induction motor by experiment electric motor, the stator and output end of squirrel cage induction motor connect, and disconnecting switch K2, disconnecting switch K3 close a floodgate, by inputting 1 end to electricity, adjust adjustable resistance, reduced-voltage starting is realized, after startup terminates, vacuum short-circuiting device QF closes a floodgate, short circuit adjustable resistance, squirrel cage induction motor normal operation；When being wound type asynchronous motor by experiment electric motor, the stator and output end of wound type asynchronous motor connect, rotor and 2 ends of input connect, and disconnecting switch K1, disconnecting switch K4, disconnecting switch K5 close a floodgate, by inputting 1 end to electricity, adjust adjustable resistance, reduced-voltage starting is realized, after startup terminates, vacuum circuit breaker QF closes a floodgate, short circuit adjustable resistance, wound type asynchronous motor normal operation.Advantage is：It can meet winding-type and squirrel cage induction motor experiment startup demand with set of device, it is simple in construction, save space.
Description
Technical field
The present invention relates to a kind of for winding-type and the general soft starting device and application method of squirrel cage induction motor.
Background technology
In motor testing process, asynchronous machine is a kind of very common motor, and asynchronous machine be divided into cage modle and around
Line style two types, mode of connection when both types start differ, the asynchronous machine difference of cage modle and winding-type
Equipped with different starting devices, to meet the needs of experiment.
The content of the invention
For overcome the deficiencies in the prior art, it is an object of the invention to provide a kind of for winding-type and squirrel cage induction motor
General soft starting device and application method, make winding-type and squirrel cage induction motor at the trial, can be expired with a set of starter
The startup demand of sufficient asynchronous machine.
To achieve the above object, the present invention is achieved through the following technical solutions：
A kind of general soft starting device for being used for winding-type and squirrel cage induction motor, including disconnecting switch K1, disconnecting switch
K2, disconnecting switch K3, disconnecting switch K4, disconnecting switch K5, vacuum circuit breaker QF, adjustable resistance, the end of three-phase input 1 respectively with every
Leave and close K2 one end, the connection of disconnecting switch K1 one end, the disconnecting switch K2 other ends and adjustable resistance one end, vacuum circuit breaker QF mono-
End, disconnecting switch K4 one end connection, the adjustable resistance other end, the vacuum circuit breaker QF other ends connection after with disconnecting switch K3 mono-
End, the connection of disconnecting switch K5 one end, the disconnecting switch K4 other ends are connected with 2 ends of input, and disconnecting switch K5 mono- terminates disconnecting switch
K3 one end, disconnecting switch K5 other ends connection asterism, the disconnecting switch K1 other ends are connected with output end；Disconnecting switch K3 is another
End is connected with output end.
For the application method of winding-type and the general soft starting device of squirrel cage induction motor,
When being squirrel cage induction motor by experiment electric motor, the stator and output end of squirrel cage induction motor connect, disconnecting switch
K2, disconnecting switch K3 close a floodgate, and give electricity by 1 end of input, adjust adjustable resistance, realize reduced-voltage starting, after startup terminates, vacuum
Short-circuiting device QF closes a floodgate, short circuit adjustable resistance, squirrel cage induction motor normal operation；
When being wound type asynchronous motor by experiment electric motor, the stator and output end of wound type asynchronous motor connect, rotor
Connect with 2 ends of input, disconnecting switch K1, disconnecting switch K4, disconnecting switch K5 close a floodgate, and by inputting 1 end to electricity, adjust adjustable electric
Resistance, realizes reduced-voltage starting, and after startup terminates, vacuum circuit breaker QF closes a floodgate, short circuit adjustable resistance, and wound type asynchronous motor is normal
Operation.
Compared with prior art, the beneficial effects of the invention are as follows：
It can meet winding-type and squirrel cage induction motor experiment startup demand, the letter of whole device structure with a set of starter
It is single, save space.
Brief description of the drawings
Fig. 1 is the electrical schematic diagram of the present invention.
Embodiment
The present invention is described in detail with reference to Figure of description, it should be noted that the implementation of the present invention is unlimited
In following embodiment.
See Fig. 1, it is a kind of for winding-type and the general soft starting device of squirrel cage induction motor, including disconnecting switch K1, every
Leave and close K2, disconnecting switch K3, disconnecting switch K4, disconnecting switch K5, vacuum circuit breaker QF, adjustable resistance, the end of three-phase input 1 point
It is not connected with disconnecting switch K2 one end, disconnecting switch K1 one end, the disconnecting switch K2 other ends and adjustable resistance one end, vacuum circuit breaker
Device QF one end, disconnecting switch K4 one end connection, the adjustable resistance other end, the vacuum circuit breaker QF other ends connection after with disconnecting switch
K3 one end, disconnecting switch K5 one end connection, the disconnecting switch K4 other ends with input 2 ends be connected, disconnecting switch K5 it is another terminate every
Leave and close K3 one end, disconnecting switch K5 other ends connection asterism, the disconnecting switch K1 other ends are connected with output end；Disconnecting switch
The K3 other ends are connected with output end.
In practical application, the present apparatus isolates cabinet, operating desk composition by adjustable resistance cabinet.Water power is housed in adjustable resistance cabinet
Resistance, vacuum circuit breaker QF, after motor normally starts, vacuum circuit breaker QF combined floodgate short circuit adjustable resistances.In adjustable resistance cabinet also
It is used for the resistance for adjusting adjustable resistance equipped with servomotor.Meanwhile it is also equipped with water resistance water level, temperature alarm system.
Isolation cabinet is divided into 2 cabinets, and disconnecting switch K1, disconnecting switch K2, disconnecting switch K4 keep apart in cabinet 1 is isolated
K3, disconnecting switch K5 are closed in cabinet 2 is isolated, adjustable resistance cabinet is arranged between isolation cabinet 1 and isolation cabinet 2.It is equipped with isolation cabinet
Voltage transformer, current transformer, misoperation control system, for controlling disconnecting switch, such as when disconnecting switch K2 closes a floodgate, only
Can be closed a floodgate K3, and other disconnecting switch can not act, and prevent maloperation.
Button switch is housed, for controlling servomotor to adjust water resistance resistance, control vacuum circuit breaker QF on operating desk
Short circuit water resistance.And multifunctional meter is housed, electric current, voltage are shown by transformer.Alarm lamp, buzzer are also equipped with, is played
To water resistance water level, the alarm function of temperature, water temperature is also equipped with, water level shows table.
Connected between isolation cabinet 1, isolation cabinet 2 and adjustable resistance cabinet with copper bar, they pass through cable connection with operating desk.
When asynchronous machine is tested, start-up course is that manually the corresponding disconnecting switch of operation combined floodgate, passes through input 1
End is powered, and water resistance resistance is adjusted by operating desk button, descending, when subject motor reaches rated voltage, has been started
Into by operating desk button short circuit adjustable resistance, motor enters normal operation.
Concrete operations are：When being squirrel cage induction motor by experiment electric motor, the stator and output end phase of squirrel cage induction motor
Connect, disconnecting switch K2, disconnecting switch K3 close a floodgate, and by inputting 1 end to electricity, adjust adjustable resistance, realize reduced-voltage starting, work as startup
After end, vacuum short-circuiting device QF closes a floodgate, short circuit adjustable resistance, squirrel cage induction motor normal operation；
When being wound type asynchronous motor by experiment electric motor, the stator and output end of wound type asynchronous motor connect, rotor
Connect with 2 ends of input, disconnecting switch K1, disconnecting switch K4, disconnecting switch K5 close a floodgate, and by inputting 1 end to electricity, adjust adjustable electric
Resistance, realizes reduced-voltage starting, and after startup terminates, vacuum circuit breaker QF closes a floodgate, short circuit adjustable resistance, and wound type asynchronous motor is normal
Operation.
The a set of starter of the present invention can meet that winding-type and squirrel cage induction motor test startup demand, whole device
It is simple in construction, save space.
Claims (2)
- A kind of 1. general soft starting device for winding-type and squirrel cage induction motor, it is characterised in that including disconnecting switch K1, Disconnecting switch K2, disconnecting switch K3, disconnecting switch K4, disconnecting switch K5, vacuum circuit breaker QF, adjustable resistance, the end of three-phase input 1 It is connected respectively with disconnecting switch K2 one end, disconnecting switch K1 one end, the disconnecting switch K2 other ends break with adjustable resistance one end, vacuum Road device QF one end, the connection of disconnecting switch K4 one end, with keeping apart after the adjustable resistance other end, the connection of the vacuum circuit breaker QF other ends Close K3 one end, the connection of disconnecting switch K5 one end, the disconnecting switch K4 other ends are connected with inputting 2 ends, disconnecting switch K5 mono- terminate every Leave and close K3 one end, disconnecting switch K5 other ends Y connections, the disconnecting switch K1 other ends are connected with output end；Disconnecting switch K3 The other end is connected with output end.
- A kind of 2. user for winding-type and the general soft starting device of squirrel cage induction motor according to claim 1 Method, it is characterised in thatWhen being squirrel cage induction motor by experiment electric motor, the stator and output end of squirrel cage induction motor connect, disconnecting switch K2, every Leave and close K3 combined floodgates, give electricity by 1 end of input, adjust adjustable resistance, realize reduced-voltage starting, after startup terminates, vacuum circuit breaker Device QF closes a floodgate, short circuit adjustable resistance, squirrel cage induction motor normal operation；When being wound type asynchronous motor by experiment electric motor, the stator and output end of wound type asynchronous motor connect, rotor and defeated Entering 2 ends to connect, disconnecting switch K1, disconnecting switch K4, disconnecting switch K5 close a floodgate, and give electricity by 1 end of input, adjust adjustable resistance, Reduced-voltage starting is realized, after startup terminates, vacuum circuit breaker QF is closed a floodgate, and short circuit adjustable resistance, wound type asynchronous motor is normally transported OK.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510969110.3A CN105406772B (en) | 2015-12-22 | 2015-12-22 | For winding-type and the general soft starting device and application method of squirrel cage induction motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510969110.3A CN105406772B (en) | 2015-12-22 | 2015-12-22 | For winding-type and the general soft starting device and application method of squirrel cage induction motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105406772A CN105406772A (en) | 2016-03-16 |
| CN105406772B true CN105406772B (en) | 2017-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510969110.3A Active CN105406772B (en) | 2015-12-22 | 2015-12-22 | For winding-type and the general soft starting device and application method of squirrel cage induction motor |
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| CN (1) | CN105406772B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109347140B (en) * | 2018-10-12 | 2021-07-30 | 珠海格力电器股份有限公司 | Photovoltaic air conditioner, control method and device thereof, direct current power grid and readable storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002354856A (en) * | 2001-05-25 | 2002-12-06 | Meidensha Corp | Starter for wound-rotor type motor |
| EP1777805A1 (en) * | 2005-10-21 | 2007-04-25 | Jakob, Karl, Dipl.-Ing.(FH) | Supply circuit for an AC motor |
| CN201054558Y (en) * | 2007-04-13 | 2008-04-30 | 刘复兴 | Three-phase mouse cage asynchronous electromotor start device |
| CN203326945U (en) * | 2013-04-11 | 2013-12-04 | 谢有神 | Automatic control device capable of reducing speed, increasing torque and limiting current of electric motor |
-
2015
- 2015-12-22 CN CN201510969110.3A patent/CN105406772B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002354856A (en) * | 2001-05-25 | 2002-12-06 | Meidensha Corp | Starter for wound-rotor type motor |
| EP1777805A1 (en) * | 2005-10-21 | 2007-04-25 | Jakob, Karl, Dipl.-Ing.(FH) | Supply circuit for an AC motor |
| CN201054558Y (en) * | 2007-04-13 | 2008-04-30 | 刘复兴 | Three-phase mouse cage asynchronous electromotor start device |
| CN203326945U (en) * | 2013-04-11 | 2013-12-04 | 谢有神 | Automatic control device capable of reducing speed, increasing torque and limiting current of electric motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105406772A (en) | 2016-03-16 |
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