Energetica 209. Septiembre 2021
EFICIENCIA ENERGÉTICA EN LA INDUSTRIA DEL FRÍO Variadores de velocidad frente a arrancadores suaves UNA GUÍA PARA SELECCIONAR EL EQUIPO ADECUADO Hay aproximadamente 8 000 millones de motores eléctricos en funcionamiento en Europa, consumiendo casi lamitadde toda la energía eléctrica del continente. Losvariadores develocidad y los arrancadores suaves nos ayudan a reducir el consumo energético de un motor eléctrico, ofreciendo al usuario una buena regulación de la carga. ¿Pero cuál de ellos es el más indicado? MAREK LUKASZCZYK WEG EUROPA Y ORIENTE PRÓXIMO O`$M("'($*(&77&*-&/.7('$&6"P Sw" }}u}vw" w~vw" v{xv" wv{zi uy}vw" x}" }vuz}" yv{x}{vi yv" " yvwz" v" |}vw" uv" {y}-" Uwy" x}y""}vz"uv""}}zvyv"uv" {y}" x}" }vuz}" xzw" uv" zyvwzuu" "z{zy}"v"x}-"@{"w"{|}v"zuzN" v" }}u}" w~v" xv}{zyv" }}}" v" {y}"uv"{u"{w"}u"{vuzyv"" z{zyz"uv""yvwz"uv"{y}"""x}" }vuzu- Duv{w"uv"}vuz}"v"w{"uv"vv}i N""}}u}"w~v"u""x}yvv}" v"{y}""w"vzxw"uv""y}w{zwz" {vuzyv" " }vz" uv" " yvwz" v" |}vw-"Uwy"z{zy"v"xz"zzz"uv"}}zvyv" "}vuv"w"vw"{vzw"v"x}ui v"v"}}v"uv"{y}-"@""z}v{vy" }u"uv""yvwz"v"|}vw"uv"{y}N"v" }}u}" w~v" x}uv" " vv}z" {w" }vu" wy" }" " ~vzuu" {z{-" Sw" }}u}vw" w~vw" w" y{i |z¢" xvw" uv" }vv}" " }{x" }u" x}"x}}""{y}"u""x}u"wi |zy"xu}"w}"x}|v{w""w"vzxw" uv""y}w{zwz- O`$M("'($*(6&7)&/.7(/"(6",.-)/&/P @{"w"{|}v"zuzN""~}zu}"uv"~vi zuu"vw""uzwxwzyz~"v"xv}{zyv"~}z}" "~vzuu"uv"z{zvy"uv""{y}" v¢y}z-"V"~}zu}"uv"~vzuuN"y{|z¢" {u" z{zvyN" z~v}w}" " ~}zu}" uv"}vvzN"xvuv"}v}""~vzuu"uv" {y}" u}yv" v" }}v" " " x}uN" w" {"u}yv"w"z{zvy- U" ~}zu}" uv" ~vzuu" ~zv}yv" " zi {vyz" v¢y}z" uv" }vvz" " yvwz" wyyvw"v"vv}"v¢y}z"uv"}vvz" "yvwz"~}z|vw"x}"}v}""~vzuu" uv""{y}"uv"zuz"uv"@D-"V"~}zu}" uv"~vzuu"xv}{zyv"}v}"v"}}vN"" x}u"""vv}zN"uv{w"uv"x}"uzi {z"u}yv"v"z{zvy"uv"{y}- O4$S,(","D)7P Uvz}"vy}v""}}u}"w~v"""~}zi u}" uv" ~vzuu" uvxvuv" uv" " xzz-" Sw"}}u}vw"w~vw"wvv"wv}"{w"xvi v w""{vw"wyww"v"w"~}zu}vw" uv" ~vzuuN" vwxvz{vyv" v" w" xzi zvw" uv" {}" xyvz-" Sw" ~}zu}vw" uv"~vzuu"z}x}"{}"yzuu"uv" vvy}z" x}" wvz}" " ~}zz" uv" ~vzuu" }vv}zu" " |vvzzw" x}" " xzz-"]z"v{|}N""xvw}"uv"v"" ~}zu}" uv" ~vzuu" vw" zzz{vyv" {w" }N"xvuv"x}x}z}"}}w"uv"vv}" wzzzyz~wN"x}""vN"yvzvu"v"vy" w"wyvw"uv"vxyz"u}yv""~zu"uv" vzxN"yzvv"w"~vyw"v{zw"wzi zzyz~w"x}"v"zvyv"z- S"}vz"uv""~vzuu"vw""x}zzi x" ~vy" uv" ~}zu}" uv" ~vzuuN" x}i v"}vv""y}"wyyv"v"yu"" {"uv"~vzuu"uv"{y}N"""w"v"v" }}v-"Sw"~}zu}vw"uv"~vzuu"}vi v"y{|z¢""zzuu"{w"vz|v" v"w"}}u}vw"w~vwN"""z"v" vwywN" zvu" uyw" uv" uzwyz" uzzy- D"wN"vw"z{x}yyv"yvv}"v"vy"v" w"~}zu}vw"uv"~vzuu"yzvv""wyv" zzz"v"xvuv"v}""wv}"uw""y}vw"~vvw" {}"v"v"uv"w"}}u}vw"w~vw-"^}" yyN"wz"z{vyv"wv"}vzv}v"uv""i y}""wxv}~zwz"v"v"}}v""x}u"uv" {y}N" " }}u}" w~v" xu}" wv}" " wz"{w"v{z- ><,)-&-).*"'(/"(,.'(&77&*-&/.7"'( '$&6"' Sw"}}u}vw"w~vw"w"zuvw"x}" xzzvw"v"w"v""}{x"uv"~vi zuu"""}vz"uv"x}"w"vvw}zw" u}yv" v" }}v" " " x}uN" " i u" vw" vvw}z" " }}v" }u" x}" v~zy}" xzw" uv" x}" " vw" v" v" wzwyv{" {vz-" Uwy" vw" z{x}yyv" v" w" y}wi x}yu}vwN"w"y}w{zwzvw"x}"}}vN"w" y}vvw" uv" v}vw" " w" x{zvyw-" Sw" }}u}vw" w~vw" vwy" y{|z¢" zi uzuw"x}"wzwyv{w""uzvw"uv" zuw"v"w"v"uv|v"v~zy}wv"xvw"uv" }zvyv" x}uzuw" x}" {|zw" }xzuw" uv" ~vzuu- Jyv}vwyv"vw"zuz}"vN"v"}}u}vw" uv" x}z{v}w" {}wN" " ~v" v" v" }}i u}" " " ~vzuu" uv" }¢z{vN" wv" yz~" " ¬|ixww" x}" wvz}" }vuz}" v}{v{vyv"v"w{"vv}¢yz"v"vwyv" {u"¬vwxv}- Dxzzvw"uv"w"~}zu}vw"uv"~vzuu Sw"~}zu}vw"uv"~vzuu"w"zuvvw"x}" w" xzzvw" v" }vzv}v" " }vi z"xyz{"uv""~vzuu"v"yu"v"}" uv"~vzuu"uv"{y}-"@""uxy|zzuu" uv" " }vz" v" }vvN" w" ~}zu}vw" uv" ~vzuu" xvuv" }vuz}" " xyvz" d" ~vzuue" u" " wv" vvwzyN" v" z}vi {vy}"u"wv"vvwzy-"Uwy"vw"zuv"v" w"xzzvw"uv"x}uz"v"v{xv" "vzx"x}"uzv}vyvw"x}vww" 49 ENERGÉTICA XXI · 209 · SEP 21
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