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The RMS value of an alternating current is also known as its heating value, as it is a voltage which is equivalent to the direct current value that would be required to get the same heating effect. For example, if 120 V AC RMS is applied to a resistive heating element it would heat up by exactly the same amount as if 120 V DC were applied.
A voltage sag (U.S. English) or voltage dip [1] (British English) is a short-duration reduction in the voltage of an electric power distribution system. It can be caused by high current demand such as inrush current (starting of electric motors, transformers, heaters, power supplies) or fault current (overload or short circuit) elsewhere on the system.
HVAC (Heating, Ventilation and Air Conditioning) equipment needs a control system to regulate the operation of a heating and/or air conditioning system. [1] Usually a sensing device is used to compare the actual state (e.g. temperature) with a target state. Then the control system draws a conclusion what action has to be taken (e.g. start the ...
TOFD – time of first data sample (on seismic trace [citation needed]) TOFS – time of first surface sample (on seismic trace) TOH – trip out of hole; TOOH – trip out of hole; TOL – top of liner; TOL _ Top of Lead Cement; TOP - Top of Pipe; TORAN – torque and drag analysis; TOT – Top of Tail Cement
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The Blackmer RMS detector is an electronic true RMS converter invented by David E. Blackmer in 1971. The Blackmer detector, coupled with the Blackmer gain cell , forms the core of the dbx noise reduction system and various professional audio signal processors developed by dbx, Inc.
The International Electrotechnical Commission (IEC; French: Commission électrotechnique internationale) is an international standards organization that prepares and publishes international standards for all electrical, electronic and related technologies.
Hive Active Heating 2, the second edition of the company's smart heating system, was released in July 2015. [15] The new model was upgraded to include two additional features. [11] The holiday mode setting allows customers to set a given temperature while away from home. [16]