10 Facts About Load control

Load control management allows utilities to reduce demand for electricity during peak usage times, which can, in turn, reduce costs by eliminating the need for peaking power plants.

Application of load control technology continues to grow today with the sale of both radio frequency and powerline communication based systems.

Ripple control is a common form of load control, and is used in many countries around the world, including the United States, Australia, Czech Republic, New Zealand, the United Kingdom, Germany, the Netherlands, and South Africa.

Early implementations of ripple Load control occurred during World War II in various parts of the world using a system that communicates over the electrical distribution system.

Ripple Load control systems are generally paired with a two- tiered pricing system, whereby electricity is more expensive during peak times and cheaper during low-usage times .

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Also, by popular demand, many ripple Load control receivers have a switch to force comfort devices on.

Main advantage over ripple Load control is greater customer convenience: Unreceived ripple Load control telegrams can cause a water heater to remain off, causing a cold shower.

In contrast, as the grid recovers, its frequency naturally rises to normal, so frequency-controlled load control automatically enables water heaters, air-conditioners and other comfort equipment.

Main disadvantage compared to ripple Load control is a less fine-grained Load control.

Ripple Load control receivers are assigned to one of several ripple channels to allow the network company to only turn off supply on part of the network, and to allow staged restoration of supply to reduce the impact of a surge in demand when power is restored to water heaters after a period of time off.