CN204392119U - Motor star delta starter - Google Patents
Motor star delta starter Download PDFInfo
- Publication number
- CN204392119U CN204392119U CN201520049329.7U CN201520049329U CN204392119U CN 204392119 U CN204392119 U CN 204392119U CN 201520049329 U CN201520049329 U CN 201520049329U CN 204392119 U CN204392119 U CN 204392119U
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- transfer switching
- motor
- switching equipment
- inlet wire
- wire terminals
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Abstract
The utility model relates to the startup servicing unit of three phase alternating current motor, specifically a kind of motor star delta starter, comprise transfer switching equipment, transfer switching equipment is provided with common terminal (a, b, c), go out/inlet wire terminals one (a1, b1, and go out/inlet wire terminals two (a2 c1), b2, c2), common terminal (a, b, c) accordingly with the winding terminals W2 of motor, U2, V2 connects, go out/inlet wire terminals one (a1, b1, c1) by conductor short circuit, go out/inlet wire terminals two (a2, b2, c2) the sub-V1 with motor winding terminal accordingly, U1, W1 connects, this transfer switching equipment is manual, Long-distance Control or automatic transfer switching electric appliance, the utility model compared with the existing technology, can substitute three or two contactors, both can realize electronic conversion, also can mechanically actuated operation change, and single lever operated simple, quick, safe and reliable.
Description
[technical field]
The utility model relates to the startup servicing unit of three phase alternating current motor, specifically a kind of motor star delta starter.
[background technology]
At present, as shown in Figure 6, it is realized by three contactors (QAC1, QAC2, QAC3) existing star delta starter.Wherein, the stator winding that contactor QAC3 and contactor QAC2 completes motor is transformed into triangle (△) connection task from star (Y) connection, as shown in figures 4 and 5.When needs manual mechanical operation star triangle start operating state, such starter then needs three handles, its manual switch complex operation, does not reach the quick requirement of emergency starting motor, and it is large to take up room, and wiring is complicated, brings inconvenience to use.
[utility model content]
The purpose of this utility model is exactly will solve above-mentioned deficiency and provide a kind of motor star delta starter, three contactors (or two contactors are only changed as Y/ △) can be substituted, both electronic conversion can be realized, also can mechanically actuated operation change, and single lever operated simple, quick, safe and reliable.
Design a kind of motor star delta starter for achieving the above object, comprise transfer switching equipment, described transfer switching equipment is provided with common terminal (a, b, c), go out/inlet wire terminals one (a1, b1, and go out/inlet wire terminals two (a2 c1), b2, c2), described common terminal (a, b, c) accordingly with the winding terminals W2 of motor, U2, V2 connects, described go out/inlet wire terminals one (a1, b1, c1) by conductor short circuit, described go out/inlet wire terminals two (a2, b2, c2) the sub-V1 with motor winding terminal accordingly, U1, W1 connects.
Described transfer switching equipment is provided with manual mechanical operation handle.
The main contact of described transfer switching equipment has two service positions or three service positions.
Described transfer switching equipment is manual change-over switch electrical equipment (MTSE), Long-distance Control transfer switching equipment (RTSE) or automatic transfer switching electric appliance (ATSE).
The utility model compared with the existing technology, novel structure, simply, reasonable in design, this motor star delta starter has manual operation (monolever) and electric operating function, by by common terminal (a, b, c) the sub-W2 with motor winding terminal accordingly, U2, V2 connects, / inlet wire terminals one (a1 will be gone out, b1, c1) by conductor short circuit, / inlet wire terminals two (a2 will be gone out, b2, c2) the sub-V1 with motor winding terminal accordingly, U1, W1 connects, thus complete Y/ △ and change, thus two contactors or three contactors can be substituted, both electronic conversion can be realized, also mechanically actuated operation conversion can be realized, and it is single simply lever operated, fast, safe and reliable.
[accompanying drawing explanation]
Fig. 1 is electrical schematics of the present utility model;
Fig. 2 is Y type electrical schematics of the present utility model;
Fig. 3 is △ type electrical schematics of the present utility model;
Fig. 4 is existing motor stator winding Y winding diagram;
Fig. 5 is existing motor stator winding delta connection figure;
Fig. 6 is the star delta starter electrical control winding diagram that existing three contactors are formed;
Fig. 7 is another embodiment electrical schematics of the present utility model (TSE main contact has two service positions);
Fig. 8 is another embodiment electrical schematics of the present utility model (TSE main contact has three service positions).
[embodiment]
Below in conjunction with accompanying drawing, following further illustrating is done to the utility model:
As shown in drawings, the utility model comprises transfer switching equipment (being called for short TSE), transfer switching equipment is provided with common terminal, and (a, b, c), go out/inlet wire terminals one (a1, b1, c1) and go out/inlet wire terminals two (a2, b2, c2), transfer switching equipment is provided with manual mechanical operation handle (SD); Common terminal (a, b, c) to be connected with winding terminals W2, U2, V2 of motor accordingly, go out/inlet wire terminals one (a1, b1, c1) by conductor short circuit, to go out/V1, U1, W1 with motor winding terminal are connected inlet wire terminals two (a2, b2, c2) accordingly; This transfer switching equipment (TSE) is manual change-over switch electrical equipment (MTSE), Long-distance Control transfer switching equipment (RTSE) or automatic transfer switching electric appliance (ATSE).
In the utility model, the main contact of transfer switching equipment can have two service positions, also can have three service positions, and its service position is not limited to two or three.Embodiment as shown in accompanying drawing 1 and accompanying drawing 8, transfer switching equipment (TSE) main contact has three service positions, and wherein, (1) 0 position: moving contact mediates, does not contact with any fixed contact and do not form electric loop; (2) I positions: the fixed contact of moving contact and a1 (b1/c1) terminals side closes; (3) II positions: the fixed contact of moving contact and a2 (b2/c2) terminals side closes.Embodiment as shown in Figure 7, transfer switching equipment (TSE) main contact has two service positions.
When the moving contact of transfer switching equipment mediates 0 position (see accompanying drawing 1), motor stator winding does not form loop, is in non operating state; When the moving contact of transfer switching equipment mediates I position (see accompanying drawing 2), motor stator winding is in Y connection, and motor starts to start; When the moving contact of transfer switching equipment mediates II position (see accompanying drawing 3), motor stator winding is in delta connection, and motor enters running status.
Star delta starter described in the utility model, can realize Y/ △ and change, and it has manual operation (MTSE) and electric operating (RTSE) function, and manual operation is simple, quick.As shown in accompanying drawing 1 to accompanying drawing 3, electrical schematics is changed for the utility model is used for Y/ △, its Y type wiring is: moving contact a, b, c of star delta starter accordingly W2, U2, V2 with motor winding terminal are connected, and fixed contact a1, b1, c1 are by conductor short circuit; The wiring of △ type is: a, b, c of star delta starter accordingly W2, U2, V2 with motor winding terminal are connected, and fixed contact a2, b2, c2 are corresponding with motor winding terminal V1, U1, W1 to be connected.
The utility model is not by the restriction of above-mentioned execution mode; change, the modification done under other any does not deviate from Spirit Essence of the present utility model and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection range of the present utility model.
Claims (4)
1. a motor star delta starter, it is characterized in that: comprise transfer switching equipment, described transfer switching equipment is provided with common terminal (a, b, c), go out/inlet wire terminals one (a1, b1, and go out/inlet wire terminals two (a2 c1), b2, c2), described common terminal (a, b, c) accordingly with the winding terminals W2 of motor, U2, V2 connects, described go out/inlet wire terminals one (a1, b1, c1) by conductor short circuit, described go out/inlet wire terminals two (a2, b2, c2) the sub-V1 with motor winding terminal accordingly, U1, W1 connects.
2. motor star delta starter as claimed in claim 1, is characterized in that: described transfer switching equipment is provided with manual mechanical operation handle.
3. motor star delta starter as claimed in claim 1, is characterized in that: the main contact of described transfer switching equipment has two service positions or three service positions.
4. the motor star delta starter as described in claim 1 or 3, is characterized in that: described transfer switching equipment is manual change-over switch electrical equipment, Long-distance Control transfer switching equipment or automatic transfer switching electric appliance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520049329.7U CN204392119U (en) | 2015-01-23 | 2015-01-23 | Motor star delta starter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520049329.7U CN204392119U (en) | 2015-01-23 | 2015-01-23 | Motor star delta starter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204392119U true CN204392119U (en) | 2015-06-10 |
Family
ID=53364799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520049329.7U Active CN204392119U (en) | 2015-01-23 | 2015-01-23 | Motor star delta starter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204392119U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112994527A (en) * | 2021-04-24 | 2021-06-18 | 北京东方神龙环保设备制造有限公司 | Voltage reduction starting controller |
-
2015
- 2015-01-23 CN CN201520049329.7U patent/CN204392119U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112994527A (en) * | 2021-04-24 | 2021-06-18 | 北京东方神龙环保设备制造有限公司 | Voltage reduction starting controller |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230221 Address after: 200331 room 237, building 148, No. 500, Zhennan Road, Putuo District, Shanghai Patentee after: NSD (CHINA) ELECTRICAL EQUIPMENT Co.,Ltd. Address before: 201802 Room 1100, Zone B, Floor 1, Building 6, No. 800, Jiahao Road, Nanxiang Town, Jiading District, Shanghai Patentee before: Shanghai Rucheng Electrical Engineering Consulting Co.,Ltd. |