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For example, space heaters use heating elements much hotter than the room being heated. In these applications, a thermostat may be better able to sense and control the temperature of the item being heated. Nevertheless, a self-regulating heating element may still be used to keep the heating element from damaging itself or other parts of the heater.
The current sensitive type has the effect of compensating the control for the temperature of the controlled heating element because the resistance of nickel chromium heating elements changes significantly with temperature. When cool the heating element has a lower resistance and dissipates more power than it does when hot.
The heating element can be replaced at the next plant shutdown. R-Control limits the temperature of temperature-sensitive heating elements. Most of the heating elements are thermistors, they increase the resistance with the temperature. At a maximum permissible temperature, the heating element has a defined resistance, which is defined on the ...
Built into the thermostat is a provision for enhanced temperature control using anticipation. A heat anticipator generates a small amount of additional heat to the sensing element while the heating appliance is operating. This opens the heating contacts slightly early to prevent the space temperature from greatly overshooting the thermostat ...
Category: Temperature control. ... Residential heating appliances (45 P) T. Thermoregulation (3 C, 26 P) ... Wax thermostatic element
In control theory, a bang–bang controller (hysteresis, 2 step or on–off controller), is a feedback controller that switches abruptly between two states. These controllers may be realized in terms of any element that provides hysteresis. They are often used to control a plant that accepts a binary input, for example a furnace that is either ...
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