CN201383793Y - Electrical control device for self-elevating drilling ship - Google Patents
Electrical control device for self-elevating drilling ship Download PDFInfo
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- CN201383793Y CN201383793Y CN200920032657U CN200920032657U CN201383793Y CN 201383793 Y CN201383793 Y CN 201383793Y CN 200920032657 U CN200920032657 U CN 200920032657U CN 200920032657 U CN200920032657 U CN 200920032657U CN 201383793 Y CN201383793 Y CN 201383793Y
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Abstract
An electrical control device for a self-elevating drilling ship adopts the structure that a plurality of units are connected on a busbar system, so that the entire busbar system only needs to be started once during starting and then is always in an operating mode; the mode is safer and also facilitates prolongation of the service life; each unit of the utility model adopts the redundant design; and even if one unit is out of order, another unit also can meet various drilling operations, other controlling and driving requirements, thereby greatly improving the reliability.
Description
Technical field
The utility model relates to a kind of control device, particularly a kind of jackup vessel electrical control gear.
Background technology
Along with the China's oil drilling turns to the ocean from land gradually, China's offshore oil drilling-production equipment mainly is to rely on import, and import drilling-production equipment operation easier is higher, and the cost of equipment and maintenance cost thereof are very high.
Summary of the invention
The purpose of this utility model is to overcome the defective of prior art, and a kind of jackup vessel electrical control gear is provided, and integrates control and diagnosis, and is easy to operate, powerful.
In order to achieve the above object, the utility model has been taked following technical scheme: the jackup vessel electrical control gear, comprise diesel engine generator supply control unit bus 1, diesel engine generator supply control unit bus 1 is connected with full frequency conversion lifting control of conversion device rectification unit 28, frequency converter rectification unit 28 connects hull lifting control inverter 29,30,31, hull lifting control inverter 29,30,31 respectively with the motor performance element 32 of three spud legs, 32,34 connect, the former limit of transformer 4 and transformer 5 is connected with diesel engine generator supply control unit bus 1, secondary is connected with rectifier 7 with rectifier transformer 6 respectively, the output of rectifier 6 and rectifier 7 is connected on the common DC bus 8, the input of inversion control unit 9 and inversion control unit 10 also is connected with common DC bus 8, output respectively with motor performance element 11 and motor performance element 12, the former limit of transformer 2 and transformer 3 is connected with diesel engine generator supply control unit bus 1, secondary connects power supply buses 13 respectively, the current output terminal of power supply buses 13 and Electric Machine Control center 14, ventilation MCC15, master control MCC16, instrument MCC27, heating air-conditioning MCC 23 connects power supply, the former limit of transformer 21 and transformer 22 is connected with power supply buses 13, secondary is connected respectively on the illuminalive power-supply unit 24, emergency service unit 20 links to each other with power supply buses 13, the former limit of emergency lighting transformer 25 is connected with emergency service unit 20, secondary is connected with Emergency Lighting Supply unit 26, and emergency lighting unit 26 is connected with illuminalive power-supply unit 24.
Described emergency service unit 20 is made up of shore electric power 17, emergency generator 18 and UPS 19.
The utility model adopts a plurality of unit all to be connected a bus and fastens, and the total time-out of system is started once, and in running order always later on, this state is safer, also helps increasing the service life; Each unit of the present utility model all adopts Redundancy Design, even if there is fault a unit, another unit also can satisfy the requirement of various drillng operations and other controls and driving, and reliability is improved greatly.
Description of drawings
Accompanying drawing is a structure principle chart of the present utility model.
Embodiment
Below in conjunction with accompanying drawing jackup vessel electric control structure of the present utility model and principle are explained in detail:
With reference to accompanying drawing, the jackup vessel electrical control gear, comprise diesel engine generator supply control unit bus 1, diesel engine generator supply control unit bus 1 is connected with full frequency conversion lifting control of conversion device rectification unit 28, frequency converter rectification unit 28 connects hull lifting control inverter 29,30,31, hull lifting control inverter 29,30,31 respectively with the motor performance element 32 of three spud legs, 32,34 connect, the former limit of transformer 4 and transformer 5 is connected with diesel engine generator supply control unit bus 1, secondary is connected with rectifier 7 with rectifier transformer 6 respectively, the output of rectifier 6 and rectifier 7 is connected on the common DC bus 8, the input of inversion control unit 9 and inversion control unit 10 also is connected with common DC bus 8, output respectively with motor performance element 11 and motor performance element 12, the former limit of transformer 2 and transformer 3 is connected with diesel engine generator supply control unit bus 1, secondary connects power supply buses 13 respectively, the current output terminal of power supply buses 13 and Electric Machine Control center 14, ventilation MCC15, master control MCC16, instrument MCC27, heating air-conditioning MCC 23 connects power supply, the former limit of transformer 21 and transformer 22 is connected with power supply buses 13, secondary is connected respectively on the illuminalive power-supply unit 24, emergency service unit 20 links to each other with power supply buses 13, the former limit of emergency lighting transformer 25 is connected with emergency service unit 20, secondary is connected with Emergency Lighting Supply unit 26, and emergency lighting unit 26 is connected with illuminalive power-supply unit 24.
Described emergency service unit 20 is made up of shore electric power 17, emergency generator 18 and UPS 19.
Operation principle of the present utility model is: diesel engine generator supply control unit bus 1 is realized the automatic distribution and the load matched work of load under the control of power-supply management system, make generator remain higher power factor and transformation efficiency, improve energy utilization rate, frequency converter rectification unit 28 connects hull lifting control inverter 29,30,31, hull lifting control inverter 29,30,31 respectively with the motor performance element 32 of three spud legs, 32,34 connect, under the situation of part electric motor fails, still can finish hull lifting work, motor still had output torque when starting moment and shutdown were slowed down, and can not produce hull downslide phenomenon; Inversion control unit 9 and inversion control unit 10 drive motors performance elements 11 and motor performance element 12 are to satisfy the needs of various drilling conditions; The former limit of transformer 2 and transformer 3 is connected with diesel engine generator supply control unit bus 1, and secondary connects power supply buses 13 respectively, and it also is redundant making electric power system like this, and reliability improves greatly; The former limit of transformer 21 and transformer 22 is connected with 480V power supply buses 13, and secondary is connected respectively to illuminalive power-supply unit 24, and they constitute redundant illuminalive power-supply unit, and reliability improves greatly; The former limit of emergency lighting transformer 25 is connected with emergency service unit 20, secondary is connected with Emergency Lighting Supply unit 26, emergency lighting unit 26 is connected with illuminalive power-supply unit 24, and when using emergency service unit 20, the illuminalive power-supply unit also can operate as normal like this.
Claims (2)
1, the jackup vessel electrical control gear, it is characterized in that, comprise diesel engine generator supply control unit bus (1), diesel engine generator supply control unit bus (1) is connected with full frequency conversion lifting control of conversion device rectification unit (28), frequency converter rectification unit (28) connects hull lifting control inverter (29), (30), (31), hull lifting control inverter (29), (30), (31) respectively with the motor performance element (32) of three spud legs, (32), (34) connect, the former limit of transformer (4) and transformer (5) is connected with diesel engine generator supply control unit bus (1), secondary is connected with rectifier (7) with rectifier transformer (6) respectively, the output of rectifier (6) and rectifier (7) is connected on the common DC bus (8), the input of inversion control unit (9) and inversion control unit (10) also is connected with common DC bus (8), output respectively with motor performance element (11) and motor performance element (12), the former limit of transformer (2) and transformer (3) is connected with diesel engine generator supply control unit bus (1), secondary connects power supply buses (13) respectively, the current output terminal of power supply buses (13) and Electric Machine Control center (14), ventilation MCC (15), master control MCC (16), instrument MCC (27), heating air-conditioning MCC (23) connects power supply, the former limit of transformer (21) and transformer (22) is connected with power supply buses (13), secondary is connected respectively on the illuminalive power-supply unit (24), emergency service unit (20) links to each other with power supply buses (13), the former limit of emergency lighting transformer (25) is connected with emergency service unit (20), secondary is connected with Emergency Lighting Supply unit (26), and emergency lighting unit (26) are connected with illuminalive power-supply unit (24).
2, jackup vessel electrical control gear according to claim 1 is characterized in that, described emergency service unit (20) is made up of shore electric power (17), emergency generator (18) and UPS (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920032657U CN201383793Y (en) | 2009-04-16 | 2009-04-16 | Electrical control device for self-elevating drilling ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920032657U CN201383793Y (en) | 2009-04-16 | 2009-04-16 | Electrical control device for self-elevating drilling ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201383793Y true CN201383793Y (en) | 2010-01-13 |
Family
ID=41527264
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920032657U Expired - Fee Related CN201383793Y (en) | 2009-04-16 | 2009-04-16 | Electrical control device for self-elevating drilling ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201383793Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102167260A (en) * | 2010-11-30 | 2011-08-31 | 大连华锐股份有限公司 | Fault redundancy protection system and method for variable frequency speed regulation of ladle crane |
| CN103061678A (en) * | 2011-10-24 | 2013-04-24 | 成都宏天电传工程有限公司 | Lifting and well drilling system |
| CN104135063A (en) * | 2014-08-15 | 2014-11-05 | 南车戚墅堰机车有限公司 | Auxiliary diesel power generation device for internal combustion locomotive |
| CN105094067A (en) * | 2014-05-07 | 2015-11-25 | 上海外高桥造船有限公司 | Safety protection control system for drilling platform elevating mechanism |
-
2009
- 2009-04-16 CN CN200920032657U patent/CN201383793Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102167260A (en) * | 2010-11-30 | 2011-08-31 | 大连华锐股份有限公司 | Fault redundancy protection system and method for variable frequency speed regulation of ladle crane |
| CN102167260B (en) * | 2010-11-30 | 2013-04-03 | 大连华锐重工集团股份有限公司 | Fault redundancy protection system and method for variable frequency speed regulation of ladle crane |
| CN103061678A (en) * | 2011-10-24 | 2013-04-24 | 成都宏天电传工程有限公司 | Lifting and well drilling system |
| CN105094067A (en) * | 2014-05-07 | 2015-11-25 | 上海外高桥造船有限公司 | Safety protection control system for drilling platform elevating mechanism |
| CN105094067B (en) * | 2014-05-07 | 2018-01-12 | 上海外高桥造船有限公司 | Safety protection control system for drilling platform lifting mechanism |
| CN104135063A (en) * | 2014-08-15 | 2014-11-05 | 南车戚墅堰机车有限公司 | Auxiliary diesel power generation device for internal combustion locomotive |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100113 Termination date: 20110416 |