WebThis video explains about determination of Direct axis and Quadrature axis reactance for salient type of rotor for synchronous alternator. WebSep 29, 2024 · A three-phase, 11-kV wye-connected synchronous alternator has a synchronous reactance of 8 ohms per phase but negligible resistance. If the excitation is …
Synchronous Machines - Electrical Engineering Portal
WebS = synchronous reactance / phase then Z S = R a + j X S; I a = R b SS E VE = ZZ −; Obviously, V = E b + I a Z S The angle θ (known as internal angle) by which I a lags behind E R is given … WebX = reactance in ohms per phase. Alternatively, percentage reactance (%X) can also be expressed in terms of kVA and kV as under : where X is the reactance in ohms. If X is the … earl gill coffee company hot springs
What is meant by synchronous reactance? - Quora
WebTranscribed Image Text: A hydro powered 50 MVA generator, with a synchronous reactance 0.33 p.u., delivers 40 MW over a transmission line of 0.15 p.u. reactance to an infinite system. A 3-phase short circuit transient fault occurs on the busbar between the generator and transmission line. Given that the generator emf is 1.4 p.u. prior to and during the fault … WebJul 13, 2024 · Direct axis reactance X d of synchronous machine is defined as the ratio of open circuit voltage for a given field current, to the armature short circuit current for the … WebBe careful about your solutions to be written readable and write the answers inside the boxes as it was shown below.) IH (IL)= IĄ= EA. (Given plate values of a delta connected 50 Hz synchronous motor are, 380V, 30kW, PF-0,9 (leading) has a synchronous reactance value of 3 92. Core (magnetic) losses are 2 kW, electrical losses 4 kW and the rest ... earl ginn furniture