KR20000004709A - 시추선의 모우터 제어장치 - Google Patents
시추선의 모우터 제어장치 Download PDFInfo
- Publication number
- KR20000004709A KR20000004709A KR1019980026200A KR19980026200A KR20000004709A KR 20000004709 A KR20000004709 A KR 20000004709A KR 1019980026200 A KR1019980026200 A KR 1019980026200A KR 19980026200 A KR19980026200 A KR 19980026200A KR 20000004709 A KR20000004709 A KR 20000004709A
- Authority
- KR
- South Korea
- Prior art keywords
- inverter
- power
- control panel
- switching
- motor
- Prior art date
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B15/00—Supports for the drilling machine, e.g. derricks or masts
- E21B15/02—Supports for the drilling machine, e.g. derricks or masts specially adapted for underwater drilling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
- B63B35/4413—Floating drilling platforms, e.g. carrying water-oil separating devices
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B3/00—Rotary drilling
- E21B3/02—Surface drives for rotary drilling
- E21B3/022—Top drives
-
- 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
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters
-
- 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
- H02P5/00—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors
- H02P5/74—Arrangements specially adapted for regulating or controlling the speed or torque of two or more electric motors controlling two or more AC dynamo-electric motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63J—AUXILIARIES ON VESSELS
- B63J3/00—Driving of auxiliaries
- B63J2003/001—Driving of auxiliaries characterised by type of power supply, or power transmission, e.g. by using electric power or steam
- B63J2003/002—Driving of auxiliaries characterised by type of power supply, or power transmission, e.g. by using electric power or steam by using electric power
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Control Of Multiple Motors (AREA)
Abstract
Description
Claims (2)
- 제 1 컨버터의 직류전원을 교류전원으로 변환시켜 제 1 머드펌프 모우터를 구동시키는 제 1 인버터 및 제 2 머드펌프 모우터를 구동시키는 제 2 인버터 및 탑드라이브 모우터를 구동시키는 제 3 인버터로 구성된 제 1 가변 제어패널부와, 제 2 컨버터의 직류전원을 교류전원으로 변환시켜 제 3 머드펌프 모우터를 구동시키는 제 4 인버터 및 제 4 머드펌프 모우터를 구동시키는 제 5 인버터로 구성된 제 2 가변 제어패널부를 포함하여 이루어진 시추선의 모우터 제어장치에 있어서,상기 제 1 가변 제어패널부의 정상 동작시 상기 제 3 인버터의 교류전원을 상기 탑드라이브 모우터에 공급하고, 상기 제 3 인버터를 비롯한 상기 제 1 가변 제어패널부의 비정상 동작시 상기 제 3 머드펌프 모우터를 구동시키는 제 4 인버터의 교류전원을 상기 탑드라이브 모우터에 공급할 수 있도록 스위칭 전환시키는 전환 스위칭부를 구비하여 이루어지는 것을 특징으로 하는 시추선의 모우터 제어장치.
- 제 1 항에 있어서,상기 전환 스위칭부는상기 제 1 가변 제어패널부의 정상 동작시 상기 제 3 인버터의 교류전원을 상기 탑드라이브 모우터에 스위칭 제공하는 제 1 스위치와,상기 제 2 가변 제어패널부의 제 4 인버터의 교류전원을 상기 제 3 인버터에 스위칭 제공하는 제 2 스위치와,상기 제 3 인버터를 비롯한 상기 제 1 가변 제어패널부의 비정상 동작시 상기 제 1 스위치 및 제 2 스위치를 오프(off) 전환시킴과 동시에 상기 제 4 인버터의 교류전원을 상기 탑드라이브 모우터에 공급할 수 있도록 스위칭 전환시키는 제 3 스위치를 구비하여 이루어지는 것을 특징으로 하는 시추선의 모우터 제어장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980026200A KR20000004709A (ko) | 1998-06-30 | 1998-06-30 | 시추선의 모우터 제어장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980026200A KR20000004709A (ko) | 1998-06-30 | 1998-06-30 | 시추선의 모우터 제어장치 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR20000004709A true KR20000004709A (ko) | 2000-01-25 |
Family
ID=19542539
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980026200A KR20000004709A (ko) | 1998-06-30 | 1998-06-30 | 시추선의 모우터 제어장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR20000004709A (ko) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4000446A (en) * | 1975-06-04 | 1976-12-28 | Borg-Warner Corporation | Overload protection system for three-phase submersible pump motor |
US4695779A (en) * | 1986-05-19 | 1987-09-22 | Sargent Oil Well Equipment Company Of Dover Resources, Incorporated | Motor protection system and process |
US4767280A (en) * | 1987-08-26 | 1988-08-30 | Markuson Neil D | Computerized controller with service display panel for an oil well pumping motor |
-
1998
- 1998-06-30 KR KR1019980026200A patent/KR20000004709A/ko not_active Application Discontinuation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4000446A (en) * | 1975-06-04 | 1976-12-28 | Borg-Warner Corporation | Overload protection system for three-phase submersible pump motor |
US4695779A (en) * | 1986-05-19 | 1987-09-22 | Sargent Oil Well Equipment Company Of Dover Resources, Incorporated | Motor protection system and process |
US4767280A (en) * | 1987-08-26 | 1988-08-30 | Markuson Neil D | Computerized controller with service display panel for an oil well pumping motor |
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Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19980630 |
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Patent event code: PA02012R01D Patent event date: 20030630 Comment text: Request for Examination of Application Patent event code: PA02011R01I Patent event date: 19980630 Comment text: Patent Application |
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Comment text: Notification of reason for refusal Patent event date: 20050601 Patent event code: PE09021S01D |
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E601 | Decision to refuse application | ||
PE0601 | Decision on rejection of patent |
Patent event date: 20051101 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 20050601 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |