WO2006136202A1 - Control system for a pump - Google Patents

Control system for a pump Download PDF

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Publication number
WO2006136202A1
WO2006136202A1 PCT/EP2005/052878 EP2005052878W WO2006136202A1 WO 2006136202 A1 WO2006136202 A1 WO 2006136202A1 EP 2005052878 W EP2005052878 W EP 2005052878W WO 2006136202 A1 WO2006136202 A1 WO 2006136202A1
Authority
WO
WIPO (PCT)
Prior art keywords
pump
variable frequency
drive means
speed
control device
Prior art date
Application number
PCT/EP2005/052878
Other languages
English (en)
French (fr)
Inventor
Zhiyong Zhong
Jürgen MÖKANDER
Original Assignee
Itt Manufacturing Enterprises 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=35789074&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2006136202(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Itt Manufacturing Enterprises Inc. filed Critical Itt Manufacturing Enterprises Inc.
Priority to PCT/EP2005/052878 priority Critical patent/WO2006136202A1/en
Priority to EA200800095A priority patent/EA011044B1/ru
Priority to NZ562227A priority patent/NZ562227A/en
Priority to AP2007004184A priority patent/AP2193A/xx
Priority to BRPI0612493-3A priority patent/BRPI0612493A2/pt
Priority to ZA200709008A priority patent/ZA200709008B/xx
Priority to JP2008518076A priority patent/JP5017665B2/ja
Priority to DK06747903.0T priority patent/DK1893874T3/en
Priority to PCT/SE2006/000710 priority patent/WO2006137777A1/en
Priority to CN2006800222782A priority patent/CN101203678B/zh
Priority to EP06747903.0A priority patent/EP1893874B1/en
Priority to AU2006259944A priority patent/AU2006259944B2/en
Priority to MX2007014262A priority patent/MX2007014262A/es
Priority to CA2606556A priority patent/CA2606556C/en
Priority to US11/993,787 priority patent/US20100034665A1/en
Priority to KR1020077026145A priority patent/KR101284821B1/ko
Priority to MYPI20062918A priority patent/MY148008A/en
Priority to ARP060102667A priority patent/AR054792A1/es
Publication of WO2006136202A1 publication Critical patent/WO2006136202A1/en
Priority to IL186295A priority patent/IL186295A/en
Priority to NO20080379A priority patent/NO20080379L/no

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
    • 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
    • F04D15/0066—Control, e.g. regulation, of pumps, pumping installations or systems by changing the speed, e.g. of the driving engine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06—Control using electricity
    • 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
    • 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

Definitions

  • the present invention relates generally to the field of pumps, and, more specifically, the present invention relates to variable frequency drive pumps and methods for operating such pumps.
  • VFD pumps Variable frequency drive pumps
  • submersible pumps for example, for pumping fluids in mining applications such as in mining shafts, wells or at construction sites.
  • submersible pumps are submersed, wholly or partly, during long periods of time both when they are in operation and when in an off-state.
  • sensors such as a level switch, are used to sense the fluid level.
  • these level sensors may, for example, be blocked or be subjected to a level shift due to a collision with subjects in the fluid such as a tree branch, and, thus, delivering an error signal.
  • the pump operates in a dynamic environment and thus the pump should be able to operate in an efficient way in large range of head/ pressure.
  • the head corresponds to the height the pump, using a given power, is able to lift a given amount of liquid, for example, water, see Fig. 3 where a typical pump curve is indicated by the line 30.
  • the efficiency of a pump may, as indicated in Fig. 3, be reduced at low flows (Q).
  • Q flows
  • This entails that a large starting torque of the pump motor is required in order to initiate the rotating of the pump impeller. Often a maximum starting torque is even required in order to start the rotation and the motor has to be operated at a maximum torque during a significant period of time. This consumes large amounts of energy and also wears the pump impeller and the motor.
  • one object of the present invention is to provide an improved pump, a pump system including such a pump, a computer program, a control device for such a pump and methods for controlling such a pump and pump systems in an efficient way with respect to energy consumption
  • Another object of the present invention is to provide an improved pump, a pump system including such a pump, a computer program, a control device for such a pump and methods for controlling such a pump and pump systems in an efficient way with respect to durability of the pump. It is a further object of the present invention to provide an improved pump, pump system including such a pump, a computer program, a control device for such a pump and a method for controlling such a pump and pump systems in a manner that reduces the wear of the pump and extends the pump life.
  • pump speed is defined as the numbers of revolutions per time unit of the pump.
  • a method for operating a pump having an inlet and an outlet comprising variable frequency drive means adapted to drive a motor of the pump.
  • the method comprises the steps of obtaining operating parameters of the pump substantially continuously from the variable frequency means, the operating parameters indicating pump conditions; and controlling the variable frequency drive means based on the obtained operating parameters, wherein the operation of the motor is adjusted to the pump conditions.
  • a pump comprising variable frequency drive means adapted to drive a motor of the pump; and control device communicating with the variable frequency drive means, the control device comprising processing means and being adapted to obtain values corresponding to operating parameters of the pump, the operating parameters indicating pump conditions, from the variable frequency means and to send control instructions to the variable frequency drive means based on the obtained operating parameters for controlling the variable frequency drive means, wherein the operation of the motor is adjusted to the pump conditions.
  • a computer program product loadable into a memory of a digital computer device including software code portions for performing the method of according to the first aspect of the present invention when the computer program product is run on the computer device.
  • a pump system including a pump comprising variable frequency drive means adapted to drive a motor of the pump; and control device communicating with the variable frequency drive means, the control device comprising processing means and being adapted to obtain values corresponding to operating parameters of the pump from the variable frequency means, the operating parameters indicating pump conditions, and to send control instructions to the variable frequency drive means based on the operating parameters for controlling the variable frequency drive means, wherein the operation of the motor is adjusted to the pump conditions.
  • a control device for a pump is characterized in that it is adapted to communicate with the variable frequency drive means, the control device comprising processing means and being adapted to obtain values corresponding to operating parameters of the pump from the variable frequency means, the operating parameters indicating pump conditions, and to send control instructions to the variable frequency drive means based on the operating parameters for controlling the variable frequency drive means, wherein the operation of the motor is adjusted to the pump conditions.
  • the present invention is based on the idea of obtaining operating parameters of the pump substantially continuously from the variable frequency means, which operating parameters indicate pump conditions; and controlling the variable frequency drive means based on the obtained operating parameters, wherein the operation of the motor is adjusted to the pump conditions.
  • the pump is operated in an efficient way with respect to energy consumption and durability of the pump.
  • the wear of the pump parts such as the impeller and the seals is reduced the pump life can be extended. Due to the fact that all information required for the control of the pump and pump motor and variable frequency means is obtained from the variable frequency means and/ or the motor itself, no external sensors are required.
  • the operating parameters in any one of: the DC link power of the variable frequency unit, the current of the variable frequency unit, or the torque of the motor.
  • the obtained operating parameter value of the variable frequency unit is compared with a predetermined parameter level substantially continuously; and if it is determined that the parameter value is lower than the predetermined level, the operation of the pump motor is stopped during a period of time having a predetermined length. Moreover, the motor is restarted at a first speed level when the predetermined period of time has expired; the presence of fluid at the inlet is checked by comparing the parameter value with the predetermined parameter level; and the speed of the motor is increased from the first level if it is determined that the parameter value is higher than the predetermined parameter level.
  • the snoring operation problem which, as discussed above, causes extra wear of the pump, and in particular of the impeller, may cause the pump motor to overheat and also leads to that unnecessary power is consumed is dealt with, and an efficient way of operating a VFD pump in respect of power consumption and durability can thereby be obtained.
  • the pump life can be extended owing to the fact that the wear of pump parts such as the impeller, seals and suction cover is significantly reduced.
  • maintaining the output power of the pump at a substantially constant level Furthermore, the operating parameter value is compared with a predetermined parameter level substantially continuously; if the parameter value is lower than the predetermined power level, the speed of the motor required to obtain the predetermined power level is calculated; and the pump is ran at the calculated speed.
  • the calculated speed is compared with the maximum allowed speed of the pump; and if the calculated speed is higher than the maximum allowed speed of the pump, the pump is ran at the maximum speed.
  • a detection whether the pump is clogged is performed; and if it is detected that the pump is clogged, the pump is ran reversely at a predetermined speed during a period of time having a predetermined length, it is then stopped and ran at the normal direction. Moreover, the step of running the pump impeller reversely, stopping it and change the operating direction is repeated until it is detected that the clogging condition has ceased.
  • this embodiment provides for a an efficient way of operating a VFD pump in respect of power consumption and durability since the wear of, especially, the pump impeller is reduced. Moreover, since the clogging condition can be removed in an efficient way the power consumption of the pump can also be reduced.
  • the method according to the present invention are suitable to realize or implement as a computer program or a computer readable medium, preferably within the contents of a control device or a processing means of a pump or a pump system.
  • Fig. 1 schematically shows an embodiment of a pump according to the present invention
  • FIG. 2 schematically shows an embodiment of a pump system according to the present invention
  • Fig. 3 shows a pump curves for a conventional pump and a pump operated in accordance with the present invention
  • Fig. 4 shows the principles of a method of an embodiment according to the present invention
  • Fig. 5 shows the principles of a method of another embodiment according to the present invention.
  • Fig. 6 shows the principles of a method of yet another embodiment according to the present invention.
  • Fig. 7 schematically shows a further embodiment of a pump and a control device for such a pump according to the present invention
  • Fig. 8 schematically shows another embodiment of a pump and a control device for such a pump according to the present invention.
  • FIG. 9 schematically shows yet another embodiment of a pump and pump
  • a first embodiment of a pump according to the present invention will be described.
  • the embodiments of the present invention described hereinafter are utilized in submersible VFD-pumps.
  • the present invention can also be utilized in other types of pumps, such as sewage pumps, drainage pumps, and de-watering pumps.
  • the submersible pump 1 of Fig. 1 comprises a variable-speed unit 2, preferably a variable frequency drive unit (VFD unit) connected via a connection cable 3 to a power source (not shown) delivering, for example, a single phase voltage or a three phase voltage.
  • the VFD unit 2 comprises an electro-magnet interference filter 4 (EMI filter) arranged at the connection cable 3 in order to filter out electro-magnet interference at the input.
  • a rectifier 5 is connected to the EMI filter 4 connected via a DC link 10, in turn, including a capacitor 6 a transducer 7.
  • the transducer 7 converts the DC current to a three-phase current, which is supplied to a pump motor 9 via a connection 8.
  • the function and components and parts of a VFD unit is well- known for the man skilled within the art and hence they will not be described in further detail herein.
  • Control device 11 is arranged in communication with the VFD unit 2 via a communication bus (not shown) and controls or drives the pump 1 to, for example, increase or decrease the speed in order to pump a larger or a smaller amount of fluid, for example, water. Furthermore, the control device 11 is capable of obtaining signals corresponding to the measurements of operating parameters, for example the DC power of the DC link 10 or the torque of the motor.
  • the control device 11 is, in turn, controlled by processing means 12, which includes storing means 13.
  • the storing means 13 may include a random access memory (RAM) and/ or a non-volatile memory such as read- only memory (ROM).
  • the storing means 13 comprises a computer program 14 comprising instructions for bringing a computer or a microprocessor, such as the processing means 12, to cause method steps in accordance with the present invention.
  • storing means may include various types of physical devices for temporary and/ or persistent storage of data which includes solid state, magnetic, optical and combination devices.
  • the storing means may be implemented using one or more physical devices such as DRAM, PROMS, EPROMS, EEPROMS, flash memory, and the like.
  • the control device 11 is arranged in communication via an interface unit (not shown) with an operator unit 22 including input means in the form of a keyboard 24, which allows the operator to input, for example, control commands, and a display means or screen 26 for presenting information related operation of the pump, for example, time history of the operating parameters, or status information of the pump.
  • the operator unit 22 is a personal computer.
  • the communication link between the pump 1 and the operator unit 22 can be a wireless link or a hard wired link.
  • the operator unit 22 can, in turn, be connected to a communications network, such as the Internet.
  • the operator unit 22 By means of the operator unit 22, the operator is capable of monitoring the operation of the pump as well as different operating parameters associated to the operation thereof via the display 26.
  • the display is a touch sensitive screen and in this case a number of soft-keys can be arranged on the screen in order to present different commands at different presented interfaces on the display 26.
  • the operator unit may comprise storing means (not shown), which, in turn, may include a random access memory (RAM) and/or a non-volatile memory such as read-only memory (ROM).
  • RAM random access memory
  • ROM read-only memory
  • storing means may include various types of physical devices for temporary and/ or persistent storage of data which includes solid state, magnetic, optical and combination devices.
  • the storing means may be implemented using one or more physical devices such as DRAM, PROMS, EPROMS, EEPROMS, flash memory, and the like.
  • Running data of the pump 1, such as operating parameters like running time, number of starts, power consumption, and alarm data, as well as service record can be obtained and stored in a logging file in the storing means 13.
  • the logging file can be presented for an operator by means of the operator unit 22.
  • the logging file can be downloaded to the operator unit 22 for, e.g. storage.
  • control device 11 can be realized by means of a processor including, inter alia, programmable instructions for executing the methods according to the present invention.
  • the control device is implemented in the form of a micro-chip or the like data carrier comprising software adapted to execute the functions described above and hereinafter.
  • Figs. 7-9 alternative embodiments of the present invention axe shown. Like or similar parts and/ or devices in Figs. 1,2 and 7-9 are being denoted with the same reference numerals.
  • the control device 11 which may be encapsulated in a hermetically sealed housing, is arranged on an outer surface of the pump housing.
  • the control device 11 can be attached or fixed at the housing in a number of ways.
  • the device 11 can be fixed by means of screws.
  • the control device 11 is in form of a plug-in unit adapted to inserted in a control device receiving recess 15.
  • the control device 11 is arranged in the control panel 22.
  • This first aspect of the method according to invention deals with the snoring operation problem or the dry-run operation problem, which, as discussed above, entails increased wear of pump part such as the impeller and the seals, may cause the pump motor to overheat and also leads to that unnecessary power is consumed.
  • pump motors are designed to provide optimum performance when they are pumping and operating in fluid, so ⁇ . ⁇ prolonged dry-run operation can damage the pump motor.
  • the first aspect of the invention provides for a an efficient way of operating a VFD pump as described with reference to any one of Figs. 1-2 and 7-9 in respect of power consumption, pump life, and durability.
  • the operation of the pump is initiated, i.e. the pump is started.
  • the pump is ran at a first low speed level and at a second low speed level.
  • step 44 If, in step 44, it is determined that the fluid level is not sufficient, the algorithm proceeds to step 46, where the control device 11 sends an instruction to the VFD unit 2 to pause the operation of the pump is during a predetermined period of time, for example, a number of minutes, maybe about 2 minutes. When this period of time has expired, the algorithm returns to step 42.
  • a predetermined period of time for example, a number of minutes, maybe about 2 minutes.
  • step 44 determines that the fluid level is sufficient
  • the algorithm proceeds to step 48, where the speed of the pump is increased to full speed.
  • the pump is now operated in a normal manner.
  • step 50 it is checked whether the fluid level still is sufficient, i.e. whether the pump sucks air partly or mainly of if it is pumping fluid. This is performed on a substantially continuous basis.
  • an operating parameter is obtained by the control device 11.
  • the DC link power, the current or the torque of the motor can be used.
  • the DC link power is used.
  • the DC link power is compared with a predetermined power level, which may be stored in the storing means 13, and if the DC link power level is lower than the predetermined level, it is determined that the fluid level is too low.
  • a predetermined power level may be about 70 % of the maximum DC power.
  • step 48 If it is determined that the fluid level at the inlet of the pump is sufficient, i.e. the DC link power is higher than the predetermined level, the algorithm returns to step 48. On the other hand, if it is determined that the fluid level at the inlet of the pump is too low, i.e. the DC link power is lower than the predetermined level, the algorithm instead proceeds to step 52, where the operation of the pump is stopped. Subsequently, the algorithm proceeds to step 46, where the operation of the pump is stopped during a predetermined period of time. When this pause period has expired, the algorithm proceeds to further on to step 42. With reference now to Fig. 5, the general principles of the method for operating a pump according to a second aspect of the present invention will be described.
  • This second aspect of the method according to invention deals with the problem of maintaining the power of the pump over a large range of flows.
  • the pump head/pressure can be increased by 20% to 30% by means of the method according to the second aspect. Due to the fact that the pump is operated more efficient at low flows a smaller pump can be used to pump a given amount of liquid, and the wear of the pump can also be reduced.
  • the second aspect of the invention provides for a an efficient way of operating a VFD pump as described with reference to any one of Figs. 1-2 and 7-9 in respect of power consumption and durability.
  • step 60 the operation of the pump is initiated, i.e. the pump is started.
  • step 62 the pump is ran at full speed.
  • a operating parameter of the pump is monitored substantially continuously and values corresponding to the parameter is obtained by the control device 11 and compared with a predetermined parameter level at step 64.
  • the DC link power, the current or the torque of the motor can be used.
  • the DC link power is used and compared with the rated power of the pump motor, which may be stored in the storing means 13, in, for example the processing means 12. If, at step 64, it is determined that the DC link power level is higher than the predetermined level, the algorithm returns to step 62, and the operation of the pump is maintained at full speed. On the other hand, if it is determined that the DC link power level is lower than the predetermined level, the algorithm proceeds to step 66, where the speed required to reach the predetermined power level is calculated in the processing means 12.
  • step 68 the calculated speed is compared with the maximum speed. If the calculated speed is found to be higher than the maximum speed, the algorithm proceeds to step 70, where the control device 11 sends an instruction to the VFD unit 2 to run the motor at maximum speed, and the algorithm returns to step 64. If it is found that the calculated speed is lower than the maximum speed, the algorithm proceeds to step 72 and the control device 11 sends an instruction to the VFD unit 2 to run the motor at the calculated speed. Thereafter, the algorithm proceeds to step 64 where the procedure is continued. By maintaining the power at a substantially constant level, the head/pressure can be increased at low flows as indicated by means of line 32 in fig. 3.
  • This third aspect of the method according to invention deals with the problem of clogging or jam of the intake and/ or impeller, which may be caused by particles in the fluid that sediment at the intake and in the impeller and build silt having a relatively thick or solid consistency.
  • a large starting torque of the pump motor is required in order to initiate the rotating of the pump impeller. This consumes large amounts of energy and also wears the pump impeller and the motor.
  • the third aspect of the invention provides for a an efficient way of operating a VFD pump as described with reference to any one of Figs. 1-2 and 7-9 in respect of power consumption, durability and starting reliability.
  • step 80 the operation of the pump is initiated, i.e. the pump is started. Then, at step 82, the pump is ran at full speed. Thereafter, at step 84, a check is performed whether the pump is clogged/jammed. This can be performed in two ways. One way is to measure an operating parameter of the pump and compare it with a predetermined level, for example, measure the
  • the second way is to monitor the alarm function of the variable frequency unit 2 and an alarm indicating over-current is used as an indication of a clogged/jammed condition.
  • step 84 If it, in step 84, is determined that the pump is not clogged, the algorithm returns to step 82, where the operation of the pump is maintained. On the other hand, if it is determined that the pump is clogged, the algorithm proceeds to step 86, where the control device 11 sends an instruction to the VFD unit 2 to drive the impeller reversely at full speed during a predetermined period of time, it is stopped and then ran in a forward rotating direction again. Preferably, such a cycle lasts about 1-10 seconds. Then, at step 88, it is checked whether the clogging state has ceased. If not, the procedure returns to step 86. This cycle is repeated until the clogging condition has been removed. If the clogging state has ceased, the algorithm returns to step 82.
  • the following procedure can be performed at regular intervals: running the pump 1 reversely at a predetermined speed during a period of time having a predetermined length, stopping the pump 1 after said period and running the pump 1 at its normal rotation direction. Thereby, the operation reliability of the pump can be improved.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Non-Positive-Displacement Pumps (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
PCT/EP2005/052878 2005-06-21 2005-06-21 Control system for a pump WO2006136202A1 (en)

Priority Applications (20)

Application Number Priority Date Filing Date Title
PCT/EP2005/052878 WO2006136202A1 (en) 2005-06-21 2005-06-21 Control system for a pump
KR1020077026145A KR101284821B1 (ko) 2005-06-21 2006-06-15 펌프용 제어 시스템
PCT/SE2006/000710 WO2006137777A1 (en) 2005-06-21 2006-06-15 Control system for a pump
EP06747903.0A EP1893874B1 (en) 2005-06-21 2006-06-15 Control system for a pump
AP2007004184A AP2193A (en) 2005-06-21 2006-06-15 Control system for a pump.
BRPI0612493-3A BRPI0612493A2 (pt) 2005-06-21 2006-06-15 sistema de controle para uma bomba
ZA200709008A ZA200709008B (en) 2005-06-21 2006-06-15 Control system for a pump
JP2008518076A JP5017665B2 (ja) 2005-06-21 2006-06-15 ポンプ用制御システム
DK06747903.0T DK1893874T3 (en) 2005-06-21 2006-06-15 CONTROL SYSTEM FOR A PUMP
EA200800095A EA011044B1 (ru) 2005-06-21 2006-06-15 Система управления для насоса
CN2006800222782A CN101203678B (zh) 2005-06-21 2006-06-15 泵、操作该泵的方法与包含该泵的泵站
NZ562227A NZ562227A (en) 2005-06-21 2006-06-15 Operating a pump by sensing operating values and controlling a variable frequency drive to fulfil predetermined conditions
AU2006259944A AU2006259944B2 (en) 2005-06-21 2006-06-15 Control system for a pump
MX2007014262A MX2007014262A (es) 2005-06-21 2006-06-15 Sistema de control para una bomba.
CA2606556A CA2606556C (en) 2005-06-21 2006-06-15 Control system for a pump
US11/993,787 US20100034665A1 (en) 2005-06-21 2006-06-15 Control system for a pump
MYPI20062918A MY148008A (en) 2005-06-21 2006-06-20 Control for pump
ARP060102667A AR054792A1 (es) 2005-06-21 2006-06-21 Sistema de control para una bomba
IL186295A IL186295A (en) 2005-06-21 2007-09-25 Control system for a pump
NO20080379A NO20080379L (no) 2005-06-21 2008-01-21 Styresystem for en pumpe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2005/052878 WO2006136202A1 (en) 2005-06-21 2005-06-21 Control system for a pump

Publications (1)

Publication Number Publication Date
WO2006136202A1 true WO2006136202A1 (en) 2006-12-28

Family

ID=35789074

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/EP2005/052878 WO2006136202A1 (en) 2005-06-21 2005-06-21 Control system for a pump
PCT/SE2006/000710 WO2006137777A1 (en) 2005-06-21 2006-06-15 Control system for a pump

Family Applications After (1)

Application Number Title Priority Date Filing Date
PCT/SE2006/000710 WO2006137777A1 (en) 2005-06-21 2006-06-15 Control system for a pump

Country Status (19)

Country Link
US (1) US20100034665A1 (ru)
EP (1) EP1893874B1 (ru)
JP (1) JP5017665B2 (ru)
KR (1) KR101284821B1 (ru)
CN (1) CN101203678B (ru)
AP (1) AP2193A (ru)
AR (1) AR054792A1 (ru)
AU (1) AU2006259944B2 (ru)
BR (1) BRPI0612493A2 (ru)
CA (1) CA2606556C (ru)
DK (1) DK1893874T3 (ru)
EA (1) EA011044B1 (ru)
IL (1) IL186295A (ru)
MX (1) MX2007014262A (ru)
MY (1) MY148008A (ru)
NO (1) NO20080379L (ru)
NZ (1) NZ562227A (ru)
WO (2) WO2006136202A1 (ru)
ZA (1) ZA200709008B (ru)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010135119A1 (en) * 2009-05-18 2010-11-25 A-Power Gmbh Electric submersible pumping system for dewatering gas wells
GB2446304B (en) * 2007-02-05 2011-11-30 Weatherford Lamb Real time optimization of power in electrical submersible pump variable speed applications
US8408312B2 (en) 2010-06-07 2013-04-02 Zeitecs B.V. Compact cable suspended pumping system for dewatering gas wells
GB2487623B (en) * 2011-05-17 2013-06-19 Id Systems Uk Ltd Control device and pump apparatus
EP2610501A1 (en) * 2011-12-29 2013-07-03 Espa 2025, S.L. Method for stopping a hydraulic pump with adjustable rotating speed in a hydraulic system and hydraulic pump controller device
US9482078B2 (en) 2012-06-25 2016-11-01 Zeitecs B.V. Diffuser for cable suspended dewatering pumping system
EP3557068A1 (en) * 2018-04-17 2019-10-23 Xylem Europe GmbH Drainage pump assembly and method for controlling a drainage pump
GB2601899A (en) * 2020-12-08 2022-06-15 Fuji Electric Co Ltd Pump clogging detection system

Families Citing this family (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8708671B2 (en) * 2007-10-15 2014-04-29 Unico, Inc. Cranked rod pump apparatus and method
ATE512497T1 (de) 2008-06-09 2011-06-15 Grundfos Management As Kreiselpumpenaggregat
US8801407B2 (en) * 2010-02-24 2014-08-12 Harris Waste Management Group, Inc. Hybrid electro-hydraulic power device
CN101818738A (zh) * 2010-03-08 2010-09-01 南京化工职业技术学院 离心泵综合实训装置
EP2505847B1 (en) 2011-03-29 2019-09-18 ABB Schweiz AG Method of detecting wear in a pump driven with a frequency converter
EP2573403B1 (en) * 2011-09-20 2017-12-06 Grundfos Holding A/S Pump
SE537872C2 (sv) 2011-12-22 2015-11-03 Xylem Ip Holdings Llc Metod för styrning av ett pumparrangemang
CN104081053A (zh) * 2012-02-29 2014-10-01 鲁卡斯液压有限公司 用于运行液压泵设备的方法以及液压泵设备
RU2612759C2 (ru) * 2012-10-22 2017-03-13 Абб Текнолоджи Лтд Способ автоматической очистки для насосной системы, содержащей устройство плавного пуска
WO2014153158A1 (en) 2013-03-14 2014-09-25 Icon Health & Fitness, Inc. Strength training apparatus with flywheel and related methods
AU2013204013B2 (en) 2013-03-15 2015-09-10 Franklin Electric Company, Inc. System and method for operating a pump
RU2522565C1 (ru) 2013-04-22 2014-07-20 Юрий Федорович Богачук Способ эксплуатации скважины насосной установкой с частотно-регулируемым приводом и устройство для его осуществления
CN104296357B (zh) * 2013-05-28 2019-03-08 阿思科控股一人有限责任公司 凝结水收集方法、设备及电动泵组件
CN105518305B (zh) * 2013-07-25 2018-09-14 流体处理有限责任公司 用于液体循环泵送系统的具有自校准装置的无传感器自适应泵控制
US9403047B2 (en) 2013-12-26 2016-08-02 Icon Health & Fitness, Inc. Magnetic resistance mechanism in a cable machine
WO2015105832A1 (en) * 2014-01-07 2015-07-16 Fluid Handling Llc Variable speed multi-pump application for providing energy saving by calculating and compensating for friction loss using speed reference
US20150226220A1 (en) * 2014-02-13 2015-08-13 Pentair Flow Technologies, Llc Pump and Electric Insulating Oil for Use Therein
US10433612B2 (en) 2014-03-10 2019-10-08 Icon Health & Fitness, Inc. Pressure sensor to quantify work
GB201404957D0 (en) * 2014-03-19 2014-04-30 Clearwater Controls Ltd Aerator apparatus
US10426989B2 (en) 2014-06-09 2019-10-01 Icon Health & Fitness, Inc. Cable system incorporated into a treadmill
US20160036367A1 (en) * 2014-07-29 2016-02-04 Innovus Power, Inc. Variable speed generator and motor
DK2985536T3 (en) * 2014-08-15 2018-07-16 Grundfos Holding As Method for regulating a pump assembly
US10258828B2 (en) 2015-01-16 2019-04-16 Icon Health & Fitness, Inc. Controls for an exercise device
US10197052B2 (en) 2015-05-11 2019-02-05 Littelfuse, Inc. Variable frequency drive apparatus
US10907638B2 (en) 2015-07-27 2021-02-02 Wayne/Scott Fetzer Company Multi-outlet utility pump
US10953305B2 (en) 2015-08-26 2021-03-23 Icon Health & Fitness, Inc. Strength exercise mechanisms
CN105317703B (zh) * 2015-11-21 2017-07-14 国网河南省电力公司平顶山供电公司 应急性防汛潜水泵自控装置
DE102015015153B4 (de) * 2015-11-25 2019-10-17 Dräger Safety AG & Co. KGaA Verfahren zur Überprüfung einer Pumpeneinrichtung in einem Gasmessystem
USD823345S1 (en) 2015-12-17 2018-07-17 Wayne/Scott Fetzer Company Pump
US10625137B2 (en) 2016-03-18 2020-04-21 Icon Health & Fitness, Inc. Coordinated displays in an exercise device
US10493349B2 (en) 2016-03-18 2019-12-03 Icon Health & Fitness, Inc. Display on exercise device
US10561894B2 (en) 2016-03-18 2020-02-18 Icon Health & Fitness, Inc. Treadmill with removable supports
US10272317B2 (en) 2016-03-18 2019-04-30 Icon Health & Fitness, Inc. Lighted pace feature in a treadmill
US10293211B2 (en) 2016-03-18 2019-05-21 Icon Health & Fitness, Inc. Coordinated weight selection
US10252109B2 (en) 2016-05-13 2019-04-09 Icon Health & Fitness, Inc. Weight platform treadmill
HUE042540T2 (hu) * 2016-05-17 2019-07-29 Xylem Europe Gmbh Eljárás szivattyú szörcsögésének azonosítására
EP3464901B1 (en) * 2016-06-07 2023-11-01 Fluid Handling LLC. Direct numeric 3d sensorless converter for pump flow and pressure
US10471299B2 (en) 2016-07-01 2019-11-12 Icon Health & Fitness, Inc. Systems and methods for cooling internal exercise equipment components
US10441844B2 (en) 2016-07-01 2019-10-15 Icon Health & Fitness, Inc. Cooling systems and methods for exercise equipment
US10500473B2 (en) 2016-10-10 2019-12-10 Icon Health & Fitness, Inc. Console positioning
WO2018075942A1 (en) 2016-10-21 2018-04-26 Franklin Electric Co., Inc. Motor drive system and method
US10661114B2 (en) 2016-11-01 2020-05-26 Icon Health & Fitness, Inc. Body weight lift mechanism on treadmill
TWI646997B (zh) 2016-11-01 2019-01-11 美商愛康運動與健康公司 用於控制台定位的距離感測器
TWI680782B (zh) 2016-12-05 2020-01-01 美商愛康運動與健康公司 於操作期間抵銷跑步機的平台之重量
US10566881B2 (en) 2017-01-27 2020-02-18 Franklin Electric Co., Inc. Motor drive system including removable bypass circuit and/or cooling features
US11326608B2 (en) * 2017-08-14 2022-05-10 Wayne/Scott Fetzer Company Thermally controlled utility pump and methods relating to same
TWI722450B (zh) 2017-08-16 2021-03-21 美商愛康運動與健康公司 用於抗馬達中之軸向衝擊載荷的系統
US10729965B2 (en) 2017-12-22 2020-08-04 Icon Health & Fitness, Inc. Audible belt guide in a treadmill
EP3527829B1 (de) * 2018-02-19 2022-03-16 Grundfos Holding A/S Pumpensystem und pumpensteuerungsverfahren
TWI659158B (zh) 2018-04-17 2019-05-11 太琦科技股份有限公司 幫浦控制系統及其異常處理及恢復方法
USD910719S1 (en) 2018-07-12 2021-02-16 Wayne/Scott Fetzer Company Pump components
KR102560461B1 (ko) * 2018-09-06 2023-07-26 엘지전자 주식회사 배수펌프 구동장치, 및 이를 구비한 세탁물 처리기기
HUE060607T2 (hu) * 2019-03-20 2023-04-28 Xylem Europe Gmbh Eljárás folyadékszállításra szolgáló berendezés mûködése során falslevegõ-szívás jelentkezésének észlelésére
DE102019003087A1 (de) * 2019-05-02 2020-11-05 KSB SE & Co. KGaA Feststoffpumpe in Kreiselpumpenbauweise zum Transport von Fördermedien mit stark abrasiven Feststoffteilen
CA3094775A1 (en) 2019-09-30 2021-03-30 Wayne/Scott Fetzer Company Pump assembly and related methods
EP3838082A1 (en) * 2019-12-19 2021-06-23 Koninklijke Philips N.V. A flow delivery system
USD942512S1 (en) 2020-09-29 2022-02-01 Wayne/Scott Fetzer Company Pump part
JP7286177B2 (ja) 2020-12-15 2023-06-05 鉄道軌材工業株式会社 レール締結用ボルト緩み止めユニット
DE102023100282A1 (de) * 2023-01-09 2024-07-11 KSB SE & Co. KGaA Verfahren zur Überprüfung der Eigenschaften eines Fördermediums einer Kreiselpumpe, insbesondere zur Trockenlauferkennung

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5580221A (en) * 1994-10-05 1996-12-03 Franklin Electric Co., Inc. Motor drive circuit for pressure control of a pumping system
US6254353B1 (en) * 1998-10-06 2001-07-03 General Electric Company Method and apparatus for controlling operation of a submersible pump
US6481973B1 (en) * 1999-10-27 2002-11-19 Little Giant Pump Company Method of operating variable-speed submersible pump unit

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3559731A (en) * 1969-08-28 1971-02-02 Pan American Petroleum Corp Pump-off controller
US5076761A (en) * 1990-06-26 1991-12-31 Graco Inc. Safety drive circuit for pump motor
US5592030A (en) * 1993-08-19 1997-01-07 Adahan; Carmeli Power supply for energizing DC load from AC or DC source
JPH0861287A (ja) 1994-08-11 1996-03-08 Ebara Corp ポンプ用インバータユニット及びそのユニットを備えたポンプ装置
US5863185A (en) * 1994-10-05 1999-01-26 Franklin Electric Co. Liquid pumping system with cooled control module
US5925825A (en) * 1994-10-05 1999-07-20 Franklin Electric Co., Inc. Clamp and cup securing strain gauge cell adjacent pressure transmitting diaphragm
US6264431B1 (en) * 1999-05-17 2001-07-24 Franklin Electric Co., Inc. Variable-speed motor drive controller for a pump-motor assembly
DE19931961A1 (de) * 1999-07-12 2001-02-01 Danfoss As Verfahren zur Regelung einer Fördergröße einer Pumpe
JP2001082378A (ja) 1999-09-09 2001-03-27 Hitachi Ltd 排水用水中電動ポンプの制御方法
DE10116339B4 (de) * 2001-04-02 2005-05-12 Danfoss Drives A/S Verfahren zum Betreiben einer Zentrifugalpumpe
US8540493B2 (en) 2003-12-08 2013-09-24 Sta-Rite Industries, Llc Pump control system and method
US7080508B2 (en) * 2004-05-13 2006-07-25 Itt Manufacturing Enterprises, Inc. Torque controlled pump protection with mechanical loss compensation
US7246500B2 (en) * 2004-10-28 2007-07-24 Emerson Retail Services Inc. Variable speed condenser fan control system

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5580221A (en) * 1994-10-05 1996-12-03 Franklin Electric Co., Inc. Motor drive circuit for pressure control of a pumping system
US6254353B1 (en) * 1998-10-06 2001-07-03 General Electric Company Method and apparatus for controlling operation of a submersible pump
US6481973B1 (en) * 1999-10-27 2002-11-19 Little Giant Pump Company Method of operating variable-speed submersible pump unit

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2446304B (en) * 2007-02-05 2011-11-30 Weatherford Lamb Real time optimization of power in electrical submersible pump variable speed applications
WO2010135119A1 (en) * 2009-05-18 2010-11-25 A-Power Gmbh Electric submersible pumping system for dewatering gas wells
US8443900B2 (en) 2009-05-18 2013-05-21 Zeitecs B.V. Electric submersible pumping system and method for dewatering gas wells
US8770271B2 (en) 2009-05-18 2014-07-08 Zeitecs B.V. Electric submersible pumping system for dewatering gas wells
US8408312B2 (en) 2010-06-07 2013-04-02 Zeitecs B.V. Compact cable suspended pumping system for dewatering gas wells
GB2487623B (en) * 2011-05-17 2013-06-19 Id Systems Uk Ltd Control device and pump apparatus
WO2013098456A1 (es) * 2011-12-29 2013-07-04 Espa 2025, S.L. Procedimiento para detener una bomba hidráulica con velocidad de rotación ajustable en una instalación hidráulica y dispositivo controlador de bomba hidráulica
EP2610501A1 (en) * 2011-12-29 2013-07-03 Espa 2025, S.L. Method for stopping a hydraulic pump with adjustable rotating speed in a hydraulic system and hydraulic pump controller device
US9482078B2 (en) 2012-06-25 2016-11-01 Zeitecs B.V. Diffuser for cable suspended dewatering pumping system
EP3557068A1 (en) * 2018-04-17 2019-10-23 Xylem Europe GmbH Drainage pump assembly and method for controlling a drainage pump
WO2019201803A1 (en) * 2018-04-17 2019-10-24 Xylem Europe Gmbh Drainage pump assembly and method for controlling a drainage pump
GB2601899A (en) * 2020-12-08 2022-06-15 Fuji Electric Co Ltd Pump clogging detection system
GB2601899B (en) * 2020-12-08 2023-03-15 Fuji Electric Co Ltd Pump clogging detection system

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EA200800095A1 (ru) 2008-04-28
IL186295A0 (en) 2008-01-20

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