CN204013287U - A kind of for 10kV 900kW intelligence ice water host computer auto-coupling voltage-reduction starting dish - Google Patents
A kind of for 10kV 900kW intelligence ice water host computer auto-coupling voltage-reduction starting dish Download PDFInfo
- Publication number
- CN204013287U CN204013287U CN201420504045.8U CN201420504045U CN204013287U CN 204013287 U CN204013287 U CN 204013287U CN 201420504045 U CN201420504045 U CN 201420504045U CN 204013287 U CN204013287 U CN 204013287U
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- vacuum contactor
- cabinet
- pressure
- startup
- host computer
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Abstract
The utility model relates to a kind of for 10kV 900kW intelligence ice water host computer auto-coupling voltage-reduction starting dish, comprise that inlet wire starts cabinet and is arranged at the startup control system starting for controlling 10kV 900W intelligence ice water host computer in inlet wire startup cabinet, start control system and comprise startup cabinet current transformer, start cabinet voltage transformer, isolating switch, fuse, high pressure autotransformer, the first high-pressure vacuum contactor, the second high-pressure vacuum contactor, third high is pressed vacuum contactor, after startup cabinet current transformer is connected in series with startup cabinet voltage transformer, be electrically connected with isolating switch, the second high-pressure vacuum contactor and third high press vacuum contactor to be electrically connected with isolating switch by fuse, the second high-pressure vacuum contactor is electrically connected with the first high-pressure vacuum contactor by high pressure autotransformer, third high presses vacuum contactor by high pressure autotransformer ground connection.Beneficial effect is to improve electrical network electrical safety and reduce the components and parts ratio that breaks down.
Description
Technical field
The utility model relates to a kind of industrial complete control device, specifically a kind of for 10kV 900kW intelligence ice water host computer auto-coupling voltage-reduction starting dish.
Background technology
The Starting mode of existing 10kV 900kW intelligence ice water host computer is directly to adopt high-pressure vacuum contactor to connect Starting mode, and inrush current is large, has increased the impact of shoving to electrical network, and electrical network electrical safety is low; Components and parts carry out control and protection by common relay, and performance interlock protection is poor, and the ratio that breaks down is high.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of electrical network electrical safety that improves, reduce components and parts break down ratio for 10kV 900kW intelligence ice water host computer auto-coupling voltage-reduction starting dish.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of for 10kV 900kW intelligence ice water host computer auto-coupling voltage-reduction starting dish, comprise that inlet wire starts cabinet and is arranged at the startup control system starting for controlling 10kV 900kW intelligence ice water host computer in described inlet wire startup cabinet, described startup control system comprises startup cabinet current transformer, start cabinet voltage transformer, isolating switch, fuse, high pressure autotransformer, the first high-pressure vacuum contactor, the second high-pressure vacuum contactor, third high is pressed vacuum contactor, in described inlet wire startup cabinet, comprise basement and priming chamber, described basement and priming chamber separate by vertical insulating barrier, described startup cabinet current transformer, startup cabinet voltage transformer, isolating switch, fuse are positioned at described basement, and described startup cabinet current transformer is electrically connected with described isolating switch after being connected in series with described startup cabinet voltage transformer, described high pressure autotransformer, the first high-pressure vacuum contactor, the second high-pressure vacuum contactor, third high press vacuum contactor to be positioned at described priming chamber, described the second high-pressure vacuum contactor and third high press vacuum contactor to be electrically connected with described isolating switch by described fuse, described the second high-pressure vacuum contactor is electrically connected with described the first high-pressure vacuum contactor by described high pressure autotransformer, and described third high presses vacuum contactor by described high pressure autotransformer ground connection.
The beneficial effects of the utility model are:
1, adopt described high pressure autotransformer reduced-voltage starting, reduced electric moter voltage, limited and shoved, reduced inrush current, reduced the impact of shoving to electrical network, thereby improved electrical network electrical safety.
2, because starting in cabinet, described inlet wire is divided into basement and priming chamber, corresponding element device is respectively installed in basement and priming chamber, promote described inlet wire and started the free space in cabinet, can optimize described inlet wire and start cabinet manufacture craft, and then strengthen described inlet wire when reducing the wasting of resources and start the structural strength of cabinet.
On the basis of technique scheme, the utility model can also do following improvement.
Further, consider the electromagnetic interference influence running of the present utility model that the weather of avoiding thundering produces, state the circuit that starts cabinet voltage transformer and start between cabinet current transformer and be provided with lightning arrester.
Further, consider the insulating reliability that promotes described insulating barrier, described third high presses the circuit between vacuum contactor and described fuse to be provided with insulating sleeve, and described insulating sleeve is fixedly installed on described insulating barrier.
Further, the door of described basement is provided with industrial control computer, the door of described priming chamber is provided with Comprehensive Protective Relay, described industrial control computer is by described Comprehensive Protective Relay and described the first high-pressure vacuum contactor, the second high-pressure vacuum contactor and third high are pressed vacuum contactor electrical connection, adopt the combination Starting mode of highly reliable described industrial control computer (PLC) and Comprehensive Protective Relay and contactor control technology, performance interlock protection adopts PLC programming, Properties Control is protected, reduce complex circuit, also reduced problem and occurred ratio simultaneously.
Brief description of the drawings
Fig. 1 is the front view that the utility model is not installed door-plate;
Fig. 2 is the front view that the utility model is installed door-plate.
In accompanying drawing, the list of parts of each label representative is as follows:
1, priming chamber, 2, insulating barrier, 3, basement; 4, insulating sleeve, 5, fuse, 6, isolating switch; 7, start cabinet current transformer, 8, start cabinet voltage transformer, 9 lightning arresters; 10, the first high-pressure vacuum contactor; 11, high pressure autotransformer, 12, the second high-pressure vacuum contactor, 13, third high presses vacuum contactor; 14, industrial control computer, 15, Comprehensive Protective Relay.
Embodiment
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As shown in Figure 1, a kind of for 10kV 900kW intelligence ice water host computer auto-coupling voltage-reduction starting dish, comprise that inlet wire starts cabinet and is arranged at the startup control system starting for controlling 10kV 900kW intelligence ice water host computer in inlet wire startup cabinet, start control system and comprise startup cabinet current transformer 7, start cabinet voltage transformer 8, isolating switch 6, fuse 5, high pressure autotransformer 11, the first high-pressure vacuum contactor 10, the second high-pressure vacuum contactor 12, third high is pressed vacuum contactor 13, in inlet wire startup cabinet, comprise basement 3 and priming chamber 1, basement 3 and priming chamber 1 separate by vertical insulating barrier 2, startup cabinet current transformer 7, startup cabinet voltage transformer 8, isolating switch 6, fuse 5 are positioned at basement 3, and startup cabinet current transformer 7 is electrically connected with isolating switch 6 after being connected in series with startup cabinet voltage transformer 8, high pressure autotransformer 11, the first high-pressure vacuum contactor 10, the second high-pressure vacuum contactor 12, third high press vacuum contactor 13 to be positioned at priming chamber 1, the second high-pressure vacuum contactor 12 and third high press vacuum contactor 13 to be electrically connected with isolating switch 6 by fuse 5, the second high-pressure vacuum contactor 12 is electrically connected with the first high-pressure vacuum contactor 10 by high pressure autotransformer 11, and third high presses vacuum contactor 13 by high pressure autotransformer 11 ground connection.
In the present embodiment, third high presses the circuit between vacuum contactor 13 and fuse 5 to be provided with insulating sleeve 4, and insulating sleeve 4 is fixedly installed on insulating barrier 2.The circuit that starts cabinet voltage transformer 8 and start between cabinet current transformer 7 is provided with lightning arrester 9.The door of basement 3 is provided with industrial control computer 14; the door of priming chamber 1 is provided with Comprehensive Protective Relay 15, and industrial control computer 14 presses vacuum contactor 13 to be electrically connected by Comprehensive Protective Relay 15 and the first high-pressure vacuum contactor 10, the second high-pressure vacuum contactor 12 and third high.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (4)
1. one kind for 10kV 900kW intelligence ice water host computer auto-coupling voltage-reduction starting dish, comprise that inlet wire starts cabinet and is arranged at the startup control system starting for controlling 10kV 900kW intelligence ice water host computer in described inlet wire startup cabinet, it is characterized in that: described startup control system comprises startup cabinet current transformer (7), start cabinet voltage transformer (8), isolating switch (6), fuse (5), high pressure autotransformer (11), the first high-pressure vacuum contactor (10), the second high-pressure vacuum contactor (12), third high is pressed vacuum contactor (13), in described inlet wire startup cabinet, comprise basement (3) and priming chamber (1), described basement (3) and priming chamber (1) separate by vertical insulating barrier (2), described startup cabinet current transformer (7), startup cabinet voltage transformer (8), isolating switch (6), fuse (5) are positioned at described basement (3), after described startup cabinet current transformer (7) is connected in series with described startup cabinet voltage transformer (8), be electrically connected with described isolating switch (6), described high pressure autotransformer (11), the first high-pressure vacuum contactor (10), the second high-pressure vacuum contactor (12), third high presses vacuum contactor (13) to be positioned at described priming chamber (1), described the second high-pressure vacuum contactor (12) and third high press vacuum contactor (13) to be electrically connected with described isolating switch (6) by described fuse (5), described the second high-pressure vacuum contactor (12) is electrically connected with described the first high-pressure vacuum contactor (10) by described high pressure autotransformer (11), described third high presses vacuum contactor (13) by described high pressure autotransformer (11) ground connection.
2. one according to claim 1, for 10kV 900kW intelligence ice water host computer auto-coupling voltage-reduction starting dish, is characterized in that: described startup cabinet voltage transformer (8) and the circuit starting between cabinet current transformer (7) are provided with lightning arrester (9).
3. one according to claim 1 is for 10kV 900kW intelligence ice water host computer auto-coupling voltage-reduction starting dish, it is characterized in that: described third high presses the circuit between vacuum contactor (13) and described fuse (5) to be provided with insulating sleeve (4), and described insulating sleeve (4) is fixedly installed on described insulating barrier (2).
4. be used for 10kV 900kW intelligence ice water host computer auto-coupling voltage-reduction starting dish according to the one described in claims 1 to 3 any one; it is characterized in that: the door of described basement (3) is provided with industrial control computer (14); the door of described priming chamber (1) is provided with Comprehensive Protective Relay (15), and described industrial control computer (14) presses vacuum contactor (13) to be electrically connected by described Comprehensive Protective Relay (15) and described the first high-pressure vacuum contactor (10), the second high-pressure vacuum contactor (12) and third high.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420504045.8U CN204013287U (en) | 2014-09-02 | 2014-09-02 | A kind of for 10kV 900kW intelligence ice water host computer auto-coupling voltage-reduction starting dish |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420504045.8U CN204013287U (en) | 2014-09-02 | 2014-09-02 | A kind of for 10kV 900kW intelligence ice water host computer auto-coupling voltage-reduction starting dish |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204013287U true CN204013287U (en) | 2014-12-10 |
Family
ID=52053221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420504045.8U Expired - Fee Related CN204013287U (en) | 2014-09-02 | 2014-09-02 | A kind of for 10kV 900kW intelligence ice water host computer auto-coupling voltage-reduction starting dish |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204013287U (en) |
-
2014
- 2014-09-02 CN CN201420504045.8U patent/CN204013287U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20200902 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |