+27 87 820 1694 info@power-star.co.za

 Demand Controller 

Demand Controller

The load demand controller offers clients rule based remote switching to reduce consumption and manage peak demands. We currently offer three types of rules, which can be applied independently or in conjunction with each other:

  1. Timer based,
  2. Based on the load of a linked Power-star meter,
  3. Logical data control.

Timer based rules allow users to set times when equipment may by on and when it should be off.  This works well in environments where routine practices such as offices chillers for air conditioning can be switched on 30 minutes before office hours and switched of 30 minutes after office hours.  No more do you have to rely on staff to switch off air cons after work.  An alternative way to apply time based rules, is to switch off equipment at regular intervals without customers or users realising the impact.  This works well for boilers and geysers.

Load control rules are mostly applied to manage peak demands.  Equipment are typically set with reference to importance and impact.  Non-essential equipment are switched off first to reduce load.  Should this not have the desired impact, other equipment is switched off until the desired load is reached, thereafter equipment is switched back on.

Logical rules can be applied to ensure that the most important equipment remains on while less important equipment is also on.  For example, chillers may not be off when non-essential lighting is on. You can define your own rules based on your circumstances through the web interface. All the information will be gathered by our online meter.

Load Control

The entire process is called Load Control. Our engineers can pull reports from our servers regarding your energy consumption, and will look at the best possible solutions for your business.

Non-essential Services

Load demands that can possibly be disconnected:

  • Lights (during evenings for example).
  • Air Conditioning (when no staff is at the office).
  • Compressors and Pumps (when not in use).
  • Cold rooms (if the cold chain is not broken).

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