residual current

residual current

[rə′zij·ə·wəl ¦kə·rənt]
(electronics)
Current flowing through a thermionic diode when there is no anode voltage, due to the velocity of the electrons emitted by the heated cathode.
References in periodicals archive ?
Make sure outdoor wiring and equipment is properly rated for outdoor use and plug them into a portable Residual Current Device for extra safety.
The tips range from the relatively simple, such as not lighting a barbecue indoors, to the workings of a residual current device in an electric socket.
Make sure you have a residual current device (RCD) fitted to protect you against electrical accidents.
This enables the EFU50 to be used to detect imposed DC current on AC circuits as well as its primary use of DC residual current detection.
Remove the following conditions from the licence: Annex 2 Where electrical equipment is temporarily brought into the premises as part of the provision for the conducting of regulated entertainment under the licence, any power circuit used as a means of supplying power to the said equipment shall be provided with a residual current device designed to trip at not more than 30mA.
This technique contains two independent algorithms called neutral voltage analysis" and residual current analysis".
The range includes miniature circuit breakers, residual current circuit breakers, surge protection devices, comb busbars, and switchboard enclosures.
For both MPE's 250/440V AC and 277/480V AC models, Jaxon measured an El pulse's residual current waveforms.
Residual current devices (RCDs) ensure automatic disconnection of supply in low voltage systems especially if the impedance of the fault limits the current to a value that is below the overcurrent protection threshold.
There are new chapters on residual current devices, plus new worked examples and illustrations.
Residual Current Devices (RCDs) can dramatically reduce the chance of electric shocks.