Читать книгу Introduction to Energy, Renewable Energy and Electrical Engineering - Ewald F. Fuchs - Страница 28

lleakagelxluxlengthcoreiron‐core lengthlimitsymbol for limiter or limit operationlengthtotal length of turnLlighting, lower, line, symbol for inductanceLaarmature inductance of DC machineLsself‐inductanceLmmutual inductanceLPlow passLVlow voltageL11self‐inductance of primary winding 1L12mutual inductance between winding 1 and winding 2L21mutual inductance between winding 2 and winding 1L22self‐inductance of secondary winding 2L1self‐inductance of primary winding 1 when L1 = L11L2self‐inductance of secondary winding 1 when L2= L22lciron‐core lengthLEDlight‐emitting diodeℓleakage, general subscript for vector potential Aℓℓcorecore lengthℓgair‐gap lengthlagginglagging power factor (e.g. current lags voltage)leadingleading power factor (e.g. current leads voltage)lblibrum (Latin for pound)L‐Lline‐to‐lineL‐Lsecondary_rmssecondary line‐to‐line root‐mean‐square valuelightinglighting parameterlighting_rmsrms value of lighting parameter (e.g. voltage)lmlumenloadoldindicates load (load) before (old) power factor correctionloadnewindicates load (load) after (new) power factor correctionLHSleft‐hand sideLmmutual/magnetizing inductance of T‐equivalent circuitLℓpleakage inductance of primary windingleakage inductance of secondary winding referred to primary side of transformerLNGliquid natural gasLPGliquid petroleum gas, propaneλflux linkages