PL309676A1 - System for automatically protecting motors of circulating and recirculating pumps - Google Patents

System for automatically protecting motors of circulating and recirculating pumps

Info

Publication number
PL309676A1
PL309676A1 PL30967695A PL30967695A PL309676A1 PL 309676 A1 PL309676 A1 PL 309676A1 PL 30967695 A PL30967695 A PL 30967695A PL 30967695 A PL30967695 A PL 30967695A PL 309676 A1 PL309676 A1 PL 309676A1
Authority
PL
Poland
Prior art keywords
circulating
automatically protecting
recirculating pumps
protecting motors
motors
Prior art date
Application number
PL30967695A
Other versions
PL176270B1 (en
Inventor
Tadeusz Baczynski
Original Assignee
Przed En Ct Sp Z Oo
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 Przed En Ct Sp Z Oo filed Critical Przed En Ct Sp Z Oo
Priority to PL95309676A priority Critical patent/PL176270B1/en
Priority to DE1996128054 priority patent/DE19628054A1/en
Publication of PL309676A1 publication Critical patent/PL309676A1/en
Publication of PL176270B1 publication Critical patent/PL176270B1/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0077—Safety measures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/02—Stopping of pumps, or operating valves, on occurrence of unwanted conditions
    • F04D15/0209—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid
    • F04D15/0218—Stopping of pumps, or operating valves, on occurrence of unwanted conditions responsive to a condition of the working fluid the condition being a liquid level or a lack of liquid supply
    • F04D15/0236—Lack of liquid level being detected by analysing the parameters of the electric drive, e.g. current or power consumption
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/085—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/0827—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors responsive to underload or no-load, e.g. pump-off control circuits for pump motors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Electric Motors In General (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)
  • Protection Of Generators And Motors (AREA)
  • Control Of Multiple Motors (AREA)
PL95309676A 1995-07-14 1995-07-14 System for automatically protecting motors of circulating and recirculating pumps PL176270B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL95309676A PL176270B1 (en) 1995-07-14 1995-07-14 System for automatically protecting motors of circulating and recirculating pumps
DE1996128054 DE19628054A1 (en) 1995-07-14 1996-07-11 Automatic protection for stuffing-box type drainage pumps - has current/voltage converter between one phase of supply and motor, whose output goes to two comparator systems, thence to relay

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL95309676A PL176270B1 (en) 1995-07-14 1995-07-14 System for automatically protecting motors of circulating and recirculating pumps

Publications (2)

Publication Number Publication Date
PL309676A1 true PL309676A1 (en) 1997-01-20
PL176270B1 PL176270B1 (en) 1999-05-31

Family

ID=20065553

Family Applications (1)

Application Number Title Priority Date Filing Date
PL95309676A PL176270B1 (en) 1995-07-14 1995-07-14 System for automatically protecting motors of circulating and recirculating pumps

Country Status (2)

Country Link
DE (1) DE19628054A1 (en)
PL (1) PL176270B1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE316705T1 (en) * 1999-08-04 2006-02-15 Ksb Ag FAULT MONITORING OF A WORK MACHINE DRIVEN BY AN ELECTRIC MOTOR
DE10010290A1 (en) * 2000-03-02 2001-09-06 Abb Patent Gmbh Electronic overload relay is combined with supply contactor has electronic components mounted on common PCB
DE10101099B4 (en) * 2001-01-12 2006-09-14 Schmalenberger Gmbh & Co Method for monitoring the dry running of a feed pump and the feed pump operating according to the method
ES1054218Y (en) * 2002-12-05 2003-10-16 Bogemar Sl ELECTRICAL PUMP OPERATION CONTROL DEVICE.
US7080508B2 (en) * 2004-05-13 2006-07-25 Itt Manufacturing Enterprises, Inc. Torque controlled pump protection with mechanical loss compensation
DE102008029910C5 (en) * 2008-06-24 2020-03-05 BSH Hausgeräte GmbH Method for recognizing the load status of a pump
DE102009035276A1 (en) * 2009-07-29 2011-02-10 Spinflow Gmbh Control and control method for electric water pumps

Also Published As

Publication number Publication date
DE19628054A1 (en) 1997-01-16
PL176270B1 (en) 1999-05-31

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