Calculating 208V Power: 3 Methods Explained - Physics Forums
Jul 27, 2016 · The discussion revolves around calculating power in a 208V electrical system using three proposed methods. Participants explore the implications of phase angles and the nature …
Power formula for 3-phase motor - Physics Forums
Jun 6, 2013 · The explanation of the factor 1.73 (sqrt (3)) is discussed in terms of vector analysis, with a focus on the geometry of three phase currents being 120 degrees apart. It is noted that …
Why Is Current Divided by sqrt (3) in 3-Phase AC Mains?
Feb 29, 2020 · The transformer provides 3-phase power, typically described in line-to-line or Y-connected terms. To convert the current from line to phase in a delta configuration, the current …
Calculate the power loss in electrical cable - Physics Forums
Mar 1, 2017 · The discussion revolves around calculating power loss in an electrical cable, specifically addressing discrepancies in calculations of power loss using given resistance …
Induction motor windings, number of turns per phase and per pole
Jan 25, 2024 · The discussion focuses on calculating the number of turns per phase in induction motor windings using the formula Nph = Eph / (4.44 * f * FL * K). Key variables include RMS …
Measuring 3 Phase Current: Tips for Determining Motor Draw
Jan 20, 2010 · A formula for calculating power in a three-phase motor is provided, incorporating line-to-line voltage, average per-phase current, and power factor (PF). One participant …
Unbalanced 3 phase power - what happens without a neutral wire?
Mar 8, 2019 · The discussion revolves around the behavior of unbalanced three-phase power systems, particularly in configurations without a neutral wire. Participants explore theoretical …
Line Current in a 2 phase transformer - Physics Forums
Sep 25, 2013 · The discussion revolves around calculating the primary line current in a two-phase transformer setup, specifically a 30kVA transformer with a 415:650 voltage rating, utilizing two …
3 Phase System Line to Ground fault Fault current calculation
Nov 29, 2007 · The discussion focuses on calculating the fault current for a three-phase, 6.6kV alternator system experiencing a line-to-ground fault. The alternators have positive, negative, …
Voltage regulation in transformers at unity power factor
Oct 18, 2021 · The discussion focuses on voltage regulation in transformers, particularly at unity power factor. Participants explore calculations related to primary and secondary currents, …