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electromed.co.in · industrial display solutions
Application note · Power Plants

Showing MW, MVAR and frequency in a turbine hall

A typical setup for generation figures that everyone on the floor can read.

Typical application. This is an example of how these products are commonly set up. It is not a report on a specific customer or a measured result. Your own site will differ, so send us the details and we will specify it for you.
The situation

In a power plant the generation figures are on the control room screens, but people working in the turbine hall, the switchyard or the admin block also need to see them. A dedicated MW display board repeats MW, MVAR and frequency at those points, with the total for all running units.

What to show and how

A typical set of displays

What you need to showTypical choice
MW and MVAR from each unitMW Display Board (4–20 mA or Modbus RS485 input)
Grid frequencyMW Display Board. Frequency can be taken directly from the 415 V, 11 kV or 33 kV bus through a PT, so no transmitter is needed
Total MW across all unitsCalculated automatically from the connected units, with no manual adding
Several locations: hall, switchyard, admin block, gateMore than one board can be installed, each with its own channel count and digit size
One accurate time on every wallGPS Synchronized Clock
Before you order

What to decide

Signal source

Decide between 4–20 mA from transmitters and Modbus RS485 from meters.

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Digit size

Size depends on how far the readers are. A hall needs bigger digits than an office.

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Number of units

Tell us how many units feed each board so we set the channels and the total.

Related

Power plants page

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MW Display Board by Electromed

MW Display Board

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GPS Synchronized Clock by Electromed

GPS Synchronized Clock

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All application notes
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Planning something like this?

Tell us what you need to show, the signals and the viewing distance. We will propose a setup and quote within 24 hours.

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