UMG 511

Class A power quality analyser

The UMG 511 power quality analyser is particularly suitable for monitoring power quality according to standards such as the EN 50160. All power quality parameters are collected and analysed.

Main features

  • Class A

    Measuring devices in class A are certified to the IEC 61000-4-30 standard. It provides detailed specifications that a mains analyser must meet so that the results can also be consulted in case of disputes. The standard defines the necessary parameters, suitable measurement methods, accuracy and bandwidths. This makes it possible to easily reproduce and compare results.

  • Flicker

    Flicker refers to the subjective impression of visibly noticeable brightness fluctuations, caused by a temporal change to the light density or the spectral distribution. The cause is voltage variations. As of a specific threshold value, flicker occurrences become disturbing and harmful to health under certain circumstances. The standard DIN EN 61000-4-15 controls the details.

  • Reporting

    Powerful RCM residual current monitoring already detects leakage currents in their initial stages before they cause system failures or even fires. It is already integrated in certain UMG measuring devices. The measuring current transformer that is required can be installed manually at a later date if required. Continuous RCM monitoring increases the system safety and availability significantly. In specific applications such as the data centre, residual current monitoring is essential due to the high availability requirements.

  • Measuring devices homepage

    The web server for the measuring device provides a wide range of data in a user-friendly format. The user does not have to install any software on their PC; a conventional web browser is all that is required. The user enters the measuring device IP address in the browser's URL bar and the measuring devices homepage is displayed on the screen. In addition to the modern homepage, APPs are available for an extended range of functions.

  • Harmonics

    Harmonics occur due to operating equipment with a non-linear characteristic, e.g. transformers used in saturation, energy saving bulbs, frequency converters and power electronics. They cause a load on the mains due to additional currents and can affect or even destroy operating equipment. This mains feedback can be detected and documented using power quality analysers.

  • Alarm management

    The alarm management feature in GridVis® monitors all measurement parameters captured by the UMG measuring devices. It comprises escalation management, a logbook function and user management for individual notifications by e-mail, dialogue box on the monitor, etc.

    In addition to monitoring effective values, short term interruptions and transients, as well as communication with the measuring devices can also be monitored.

Areas of application

  • Continuous monitoring of the power quality
  • Harmonics analysis with power quality problems
  • Checking the internal supply network according to
    • EN 61000-4-7
    • EN 6100-4-15
    • EN 61000-4-30
  • Fault analysis in case of problems with the energy supply
  • Documentation of the power quality for customers and regulatory authorities
  • Ethernet Gateway for subordinate measurement points
  • Report generator for power quality standards: EN 50160, IEE519, ITIC ...
  • Report generator for energy consumptions
  • Energy Dashboard
  • Remote monitoring of critical processes

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