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quantitative expression on a particular time scale

point on time scale

person, who has written the document

compiler

control reader

control readed

publisher

published by

version to identify the document

identify the document

company name

company

number - following suppliers

number - suppliers

total head at outlet area of the pump, corresponding to the sum of the height, pressure head and velocity head

total head at the pump outlet area

Nominal flow at the pump outlet port divided by the inlet area of the pump

mean nominal speed at the outlet

height of the centre of the pump outlet connection

outlet connection height

Result of dividing the nominal flow at the pump inlet port divided by the pump inlet area

mean nominal speed at the inlet

Pressure at the entry for the operating conditions at the warranty point

nominal inlet pressure

height of the inlet connection center of the pump

inlet connection height

Nominal size for components in a pipline system

nozzle/pipe nominal size

Degree of protection that an enclosure or housing provides

type of enclosure

Ratio of the active power to the apparent power

performance factor

torque that is transferable by the operating medium

turning moment at rated speed

The torque that can be transmitted by the equipment

Torque at rated speed (drive)

the transmittable torque (drive)

Torque at nominal speed (drive)

lowest value of inlet pressure for the functional suitability of the pump or pump part based on the materials used.

Min permissible pressure of inlet

free cross-section of the outlet connection of the pump

Outlet section of the pump

port asset id

carrier identification

Direction of port

port direction

Category describing the port type

category

pumps which are redundant within the pump system

identification of redundant pump id

Role of a pump within multi-pump management

role of the pump

pump identification within pump system

Collective pump IDs

current operation mode of multi pump

mode of operation

max. number of pumps in operation. The difference between NumPumps and MaxNumPumpsOp identifies the redundant pumps

maximum operating pumps

Time for the next pump replacement relative to the ExchangeTime, if the user-specific pump change mode is activated.

Replacement time difference

Absolute time for the next pump replacement, if the operator-specific pump change mode is activated.

Interchange time

replacement mode of the pump

Replacement mode

Proportion of operation time of different pumps of the pump system in addition to the operation mode

Distribution method

priority (ascending) of the pumps in the additional operation mode

priority of distribution

count

count of pumps

Measured flow rate in the pump outlet nozzle divided by the outlet cross-section of the pump

mean speed in the outlet

Outlet pressure of the pump in the guarantee point at the rated flow rate, rated speed and rated inlet pressure, if pump is a centrifugal pump

rated discharge pressure

Interval time of stall protection if stall protection is operator specific. The time for the next start-up of the pumps results from the sum of the blocking protection time and the time interval for the blocking protection

time interval for blocking protection

absolute time of the blocking protection if stall protection is operator specific. The time for the next start-up of the pumps results from the sum of the blocking protection time and the time interval for the blocking protection

pump blocking protection time

Current value of discrete input unit

discrete input

Current value of discrete output unit

discrete output

error value, which descripes the error property

error message

Total number of state transitions from off to on

on off status measurement

Setpoint for the operating mode of the pump

set operation mode

Setpoint of the control mode of the pump

set control mode

current status of the element

Trait Status

enables the surgery

On or off

the value to which the controlled variable is to be brought

reference variable

Output variable of the control device, which is also an input variable of the controlled system

regulating variable

the variable resulting from the measurement of the controlled variable, which is fed back to the comparison point

measured value of the control loop

In control engineering, determines the period of time between the input of the input signal and the arrival of the output signal of a controlled system

dead time

the ratio of the controlled variable change x to the manipulated variable change y for the stable state

proportional factor

Identification of the type and extent of how humans as operators intervene in a control system

operating mode

The integral coefficient is the factor by which the time integral over an input signal is multiplied

integral factor

Quantity of variable which is influenced by the control

final messured value

the factor by which the time derivative of the input signal is multiplied

differential coefficient

the input variable of the actuator (actuating device) and controls the actuator according to the control difference

controller output variable

the variable to be maintained at a given constant or variable value

controlled parameter

Difference between reference variable and feedback variable

difference variable

Variable variable that is not influenced by the regulation or control in question, which is supplied to the control loop or the control chain from outside and which the task variable is to follow in a predetermined relationship

target variable

static pressure (absolute) of the discharged mixture immediately downstream of the pressure port

counter pressure

Temperature of the medium used for cooling

Coolant temperature (flow)

temperature of the coolant medium

Refrigerant temperature (flow)

Measured rate of flow passing through the spiral housing outlet divided by the cross-section of the spiral housing outlet.

average velocity at throat

power (measured) transferred to the water pump by its driver

Pump power demand

Difference of the absolute static energy level above the energy level of the vapor pressure at the associated material temperature, referred to the (NPSH) reference plane.

net positive suction head

Difference of the total energy head at the outlet side of the pump to the total energy head at the inlet side of the pump

Total energy head difference of the pump

measured difference between the instantaneous value of the pressure and the static pressure

sound press

determined Integral of the product of the sound pressure p and the component of the particle velocity un, which is perpendicular to a surface at a point of this surface, over this surface

sound power

Integral of the sound power p over a specified time interval of duration t

Acoustic energy

Measured residual force acting perpendicular to the shaft line and derived from hydraulic forces

radial load of pump shaft

measurement of the temperatur of the pump

temperature of pump

Measured pump temperature

pump temp

Measured leakage flow rate coming from the shaft seals to the outside

leakage flow

Measured clearance flow between pump casing and impeller

cl flow

determined loss of power due to leakage currents

leakage power loss

Mesurement of the position of the axial rotor in the bearing

axial rotor pos

residual axial thrust measurement from hydraulic and mechanical causes acting on the slider

axial pump rotor load

ten times the logarithm to the base 10 of the ratio of the sound power of a source W to a reference value W0 expressed in decibels

acoustic power level

Ten times the logarithm to the base 10 of the ratio of the sound power of a source P to a reference value P0 expressed in decibels

acoustic power level

ten times the logarithm to the base 10 of the ratio of the sound power radiated by the sound source under test to a reference sound power expressed in decibels (dB)

acoustic power level

Ten times the logarithm to the base 10 of the ratio of the sound power radiated by the source under test to the reference sound power. It is expressed in decibels.

acoustic power level

Logarithmic measure of the sound power generated by a source as determined using the method given in this part of ISO 9614

acoustic power level

Ten times the logarithm to the base 10 of the ratio of a given sound power to the reference sound power in decibels.

acoustic power level

Ratio of the sound power of a source, p, ten times the logarithm to the base 10, to a reference value, p0, in decibels

sound output lvl

pressure of the lubrication oil of the lubrication system (measurement)

pressure of lubricating oil

consumption of the lubrication oil of the lubrication system (measurement)

consumption of lubrication oil

measured filling level

Fill level measurement

share of active maintenance in preventive maintenance

time of active prev maint

Part of the maintenance time during which preventive maintenance is performed on an object, including technical, logistical and internal administrative delays.

Time of preventive maintenance

time share of preventive maintenance in the maintenance work

Preventive maintenance period

describes the maintainability of an object if maintenance measures and logistical support are available

contained maintainability

Probability of error-free operation under standard conditions

norm reliability

Time span from the time of failure to recovery

Restoration time

describes the time in standby mode

time in sleep mode

mean time needed for restauration

mean restoration time

the duration in which an object is in an external disabled state

time of external disturbance

average duration of an failure

avg downtime

expected delivery while normal operation

Normal flow rate

Flow rate to be expected in normal operation

normal flow rate