NO306434B1 - Strömforsyningssystem for instrumenter nede i borehull - Google Patents

Strömforsyningssystem for instrumenter nede i borehull

Info

Publication number
NO306434B1
NO306434B1 NO934084A NO934084A NO306434B1 NO 306434 B1 NO306434 B1 NO 306434B1 NO 934084 A NO934084 A NO 934084A NO 934084 A NO934084 A NO 934084A NO 306434 B1 NO306434 B1 NO 306434B1
Authority
NO
Norway
Prior art keywords
power supply
supply system
downhole instruments
downhole
instruments
Prior art date
Application number
NO934084A
Other languages
English (en)
Norwegian (no)
Other versions
NO934084D0 (no
NO934084L (da
Inventor
Donald L Baker
Original Assignee
Westech Geophysical Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Westech Geophysical Inc filed Critical Westech Geophysical Inc
Publication of NO934084D0 publication Critical patent/NO934084D0/no
Publication of NO934084L publication Critical patent/NO934084L/no
Publication of NO306434B1 publication Critical patent/NO306434B1/no

Links

Classifications

    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
    • G05F1/613—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in parallel with the load as final control devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Electrical Variables (AREA)
  • Continuous-Control Power Sources That Use Transistors (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)
NO934084A 1992-11-12 1993-11-11 Strömforsyningssystem for instrumenter nede i borehull NO306434B1 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US97631392A 1992-11-12 1992-11-12

Publications (3)

Publication Number Publication Date
NO934084D0 NO934084D0 (no) 1993-11-11
NO934084L NO934084L (da) 1994-05-13
NO306434B1 true NO306434B1 (no) 1999-11-01

Family

ID=25523978

Family Applications (1)

Application Number Title Priority Date Filing Date
NO934084A NO306434B1 (no) 1992-11-12 1993-11-11 Strömforsyningssystem for instrumenter nede i borehull

Country Status (6)

Country Link
US (1) US5550411A (da)
EP (1) EP0598557B1 (da)
CA (1) CA2102958A1 (da)
DE (1) DE69318940T2 (da)
DK (1) DK0598557T3 (da)
NO (1) NO306434B1 (da)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2719134B1 (fr) * 1994-04-21 1996-06-28 Sgs Thomson Microelectronics Circuit régulateur avec référence Zener.
US6246219B1 (en) 2000-03-24 2001-06-12 The Boeing Company String switching apparatus and associated method for controllably connecting the output of a solar array string to a respective power bus
DE602005006380T2 (de) * 2005-03-08 2009-06-10 Alcatel Lucent Unterspannungsunterdrückungsschaltung
US7525264B2 (en) 2005-07-26 2009-04-28 Halliburton Energy Services, Inc. Shunt regulation apparatus, systems, and methods
JP4783220B2 (ja) * 2006-06-20 2011-09-28 株式会社リコー 過電圧保護回路、電子装置
DE102006056591A1 (de) * 2006-11-29 2008-06-05 Endress + Hauser Gmbh + Co. Kg Schaltung zur Spannungsbegrenzung
US7863870B2 (en) * 2008-02-04 2011-01-04 Honeywell International Inc. Self-adjusting bleeder for a forward converter
US9093833B1 (en) * 2008-12-05 2015-07-28 Power Factor Correction Llc Power factor correction apparatus for appliances having inductive loads
US10700611B2 (en) * 2016-12-28 2020-06-30 Halliburton Energy Services, Inc. Current-to-voltage power converter

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3480789A (en) * 1966-07-28 1969-11-25 William G Binckley Voltage regulator with plural parallel power source sections
US3551745A (en) * 1968-07-08 1970-12-29 Us Army Shunt regulator overvoltage trip
US3771043A (en) * 1971-12-20 1973-11-06 S & C Electric Co System for powering a combination of variable burden and fixed burden voltage dependent loads from a high impedance source
US3974330A (en) * 1975-06-09 1976-08-10 Sperry Rand Corporation Miniature underwater bore hole inspection apparatus
US4008418A (en) * 1976-03-02 1977-02-15 Fairchild Camera And Instrument Corporation High voltage transient protection circuit for voltage regulators
DE3806982A1 (de) * 1988-03-03 1989-09-14 Siemens Ag Spannungsversorgungseinheit
US5140319A (en) * 1990-06-15 1992-08-18 Westech Geophysical, Inc. Video logging system having remote power source
US5260644A (en) * 1992-05-29 1993-11-09 Motorola, Inc. Self-adjusting shunt regulator and method

Also Published As

Publication number Publication date
CA2102958A1 (en) 1994-05-13
EP0598557B1 (en) 1998-06-03
US5550411A (en) 1996-08-27
NO934084D0 (no) 1993-11-11
DE69318940T2 (de) 1999-03-18
EP0598557A1 (en) 1994-05-25
DE69318940D1 (de) 1998-07-09
DK0598557T3 (da) 1998-10-12
NO934084L (da) 1994-05-13

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Legal Events

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