The COMPACS® system
Real-time vibration diagnostics
of machinery with probability close to 1
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In 2001 the quality management system of SPC Dynamics was put through facultative certification. In 2016 it was recertified for compliance with standards ISO 9001:2008. Its results confirmed a high level of goods and services quality management. In 2001 the quality management system of SPC Dynamics was put through facultative certification. In 2016 it was recertified for compliance with standard GOST ISO 9001-2011. Its results confirmed a high level of goods and services quality management.
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The COMPACS-RPM system for diagnostics and dynamic balancing of cradle-mounted pump rotors

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Objective diagnostics of pump bearing supports assembly quality, with the possibility of a double-plane dynamic balancing of cradle-mounted pump rotors in their own bearings
The COMPACS®-RPM system

The COMPACS®-RPM system for diagnostics and dynamic balancing of cradle-mounted pump rotors

The COMPACS®-RPM system is a modification of the COMPACS® computer monitoring system and is designed for diagnostics of pump bearing supports assembly quality, with the possibility of a double-plane dynamic balancing of cradle-mounted pump rotors in their own bearings.

A new way of "SVOS™-balancing" ensures a smooth rotor acceleration to the nominal rotation frequency. In case of imbalance detection within the acceleration, the system carries out the dynamic rotor balancing on the reached frequency. The balancing is carried out in a wheel and a half-coupling planes from the pump side. The imbalance measurement accuracy is not worse than the second class balancing according to GOST 22061-76 or ISO 1940-73. SVOS™-balancing allows to eliminate imbalance on frequencies, which are less than the nominal rotation frequency, which decreases dynamic loads and provides integrity of the tested rotor bearing assemblies in case of a wrong mounting or a highly-imbalanced rotor.

The quality of cradle-mounted pumps repair, evaluated according to digital signal processing and measurement results, are displayed as colored pictograms (green – "ACCEPTABLE", yellow – "MEASURES REQUIRED", red – "UNACCEPTABLE") and diagrams with numerical parameters values.

The COMPACS®-RPM system measures and carries out a diagnostics on the vibration parameters (vibration acceleration, velocity and vibration displacement) of current consumption, temperature and rotation frequency.

The COMPACS®-RPM system carries out a complete analysis of vibration signals by means of fast Fourier transformation, digital filtering and envelope selection. The tested equipment data can be saved in the system archive.

The COMPACS®-RPM system has a built-in automatic expert system, which allows an automatic detection of the following malfunctions defects of inner and outer races, mounting misalignment, end shield misalignment, imbalance, fastening defects and others.

The System for diagnostics and dynamic balancing of cradle-mounted pump rotors COMPACS-RPM software
"MONITOR" mode screen

The COMPACS®-RPM system advantages

  • new "SVOS™-balancing" method;
  • built-in automatic expert system capable to diagnose bearings mounting defects;
  • comprehensive analysis of vibration signals using algorithms of fast Fourier transformation, digital filtering envelope determination;
  • archiving the diagnostic results in the special database, displaying of parameters trends on the monitor and printing them out;
  • printing of test reports on the pump rotor balancing;
  • easy maintenance and self-diagnostics of the built-in system;
  • high reliability and long service life;
  • successful industrial operation at the Russian Federation refineries located in Angarsk, Achinsk, Volgograd, Omsk, Moscow, Szyran, as well as in Mozyr (Belarus) and Pavlodar (Kazakhstan).

The COMPACS®-RPM system structure

  • diagnostic station;
  • universal measuring module (UMM);
  • vibration transducers, temperature transducer, turn photosensor;
  • connecting cable;
  • rotor drive 1603 with a control unit;
  • maintenance documentation.

The COMPACS®-RPM system operation modes

In order to present different ways of information on the diagnostic station screen, there are seven operation modes (screens):

  • "MONITOR" Mode displays information on the controlled unit health.
  • "TREND" Mode displays and analyzes the measured parameters trends.
  • "ANALYSIS" Mode provides analysis of the signals spectra received from the vibration transducer.
  • "SYSTEM" Mode displays information on the built-in self-control system.
  • "OSCILLOGRAPH" Mode provides analysis of the signal form and the system set-up.
  • "BALANCING" Mode evaluates the amplitude and imbalance angle and carries out pumps rotors dynamic balancing.
  • "ARCHIVE" Mode provides search, viewing and printing of the pumps test reports.

Engineering solutions, implemented in the system, are protected by the Russian Federation Patents on various objects of intellectual property and Сertificates of official registration for computer programs.

Warranty for supplied equipment - 12 months.

Basic Characteristics
Rotor mass range of diagnosed bearing supports
in the cradle-mounted pump, kg
Maximal measuring time on channel, sec, not exceeding
Time for establishing operation mode, min, not exceeding
Operation frequency range for measuring
vibration parameters, Hz:
vibration acceleration
velocity
vibration displacement
Range of the measured mean-square value of
vibration parameters:
vibration acceleration, m/sec2
velocity, mm/s
vibration displacement, μm
Change range of rotor rotation rate, rpm
Limit of basic error in measuring rotor
rotation rate, %, not exceeding

10...100
1,0
3,0


10...3000
10...1000
10...200


1...100 
1...100
4...1000
500...3000

±2,0
Operation Characteristics
Service life, years
Maximal cable length, m:
from sensor to remote module
from remote module to diagnostic station
Diagnostic station
Power supply parameters:
voltage, V
frequency, Hz
Power input, Wt, not exceeding
Drive unit of the system of dynamic balancing
cradle-mounted pump rotors 1603

Allowed rotor length, mm
Allowed rotor wheel diameter, mm
Allowed width of rotor wheel, mm
Register diameters of bearing supports, mm




Power supply parameters:
type of power supply
voltage, V
frequency, Hz
Power input, kWt, not exceeding
10

2
50


220±10%
50,0±0,4
180


320...750
100...540
20...400
300
270*
260*
250*
240*

three-phased
380±10%
50,0±0,4%
7,5


      * Provided with adapters: 300-240, 300-250, 300-260, 300-270

Specifications can be changed without prior notification


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