IEEE Std 1137-2018 pdf download – IEEE Recommended Practice for the Implementation of Inductive Coordination Mitigation Techniques and Application

02-24-2022 comment

IEEE Std 1137-2018 pdf download – IEEE Recommended Practice for the Implementation of Inductive Coordination Mitigation Techniques and Application.
3. Definitions, acronyms, and abbreviations 3.1 Definitions For the purposes of this document, the following terms and definitions apply. The IEEE Standards Dictionary Online should be consulted for terms not defined in this clause. 4 coupling: The means by which electric power may be transferred from one conductor to another. drainage reactor: A center- tapped inductor with a high mutual impedance between the windings. harmonic suppression reactor (HSR): A mitigation device that is connected between the wye point of a capacitor bank and the grounded neutral conductor to limit the harmonic current flow through the capacitor bank by changing the impedance of the neutral to ground path and, thereby, the resonant frequency of the network with respect to ground. infuence: The capability of a power circuit to couple voltage and/or current into nearby communication circuits. longitudinal balance: The ratio of the disturbing longitudinal rms voltage (Vs) to ground and the resulting metallic rms voltage (Vm) of the network under test, expressed in decibels as follows: longitudinal balance = 20 log10 Vs/Vm (in dB), where Vs and Vm are at the same frequency. Also known as balance. longitudinal choke: A two-winding transformer designed to have each winding connected in series with one of the wires of the pair that typically make up a common circuit. loop current: The dc current flowing in the communications metallic circuit at the customer interface during the talk and signaling states. mitigation: The engineering approach of reducing, suppressing, contolling, and/or eliminating inductive interference through long-term cost efective solutions.
4.1.3 Susceptiveness Susceptiveness (or susceptibility) refers to those characteristics that determine the extent to which the service rendered by a communications circuit can be adversely affected by a given longitudinal voltage or current. Susceptiveness can be expressed in terms of relationships between the longitudinal voltage or current and the resulting metallic voltage or current (balance). Alternatively, susceptiveness can be expressed as the limiting voltage or current that a device or system can withstand without malfunction or damage. The communication utility and its users jointly control the susceptiveness of the communication circuit: Refer to IEEE Std 776. It should be noted that susceptiveness is frequency dependent.

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