Ntawm technologyElectronics

Oob khab PML: los thiab cov yam ntxwv

Sib Nqus actuators (PML, PMA, PME, etc.) yog npaj khiav, reversing thiab siv ceev xwmphem lub asynchronous lub cev muaj zog. Nyob rau hauv cov kev tshwm sim hais tias qhov no unit yog txawm peem rau nrog ib tug thermal overload relay yog los tiv thaiv cov Actuator tiv thaiv overload cawv. Nyob rau hauv tas li ntawd, cov txim hluav taws xob yog los ntawm irreversible thiab reversible, ua thiab ua txhaum, qhib thiab kaw actuators.

Sib Nqus oob khab PML yog feem ntau siv rau DC motors thiab tej thaj chaw deb tswj alternating tam sim no. Taag sib yuav tsum tau ib tug ncaj qha kev txuas mus rau lub mains. Nyob rau hauv lub luag hauj lwm ntawm xws units siv asynchronous motors AC voltage nas tawb.

Installation ntawm thermal relay muaj peb tug, rau oob khab PML yuav pab tiv thaiv kev tswj circuits thiab motors los ntawm tau luv luv circuits thiab overloads, uas entail tsis tsim nyog ntev thiab magnitude ntawm lub currents. Overloading tej zaum yuav tshwm sim nyob rau hauv ntau yam tej yam kev mob, e.g., thaum hloov cov winding switching circuits, breakage los yog tsis ua hauj lwm ntawm ib qho ntawm cov theem ntawm lub peb-theem system. Qhov no ntaus ntawv yog npaj rau koj khiav lag luam nyob rau hauv txawv kev tswj systems siv Microprocessors uas tso cai rau kauj rau shunt cov kev tswj apparatus rau cuam hluav.

Tsis tas li ntawd mounted rau lub cev muaj zog pib PML yuav muaj ntxiv zog, xws li reversing lub tiv thaiv lub cev muaj zog.

PML oob khab muaj ib tug kuj yooj yim coding system muaj ib tug alphanumeric code. PML lettering qhia lub cim series. Tus thawj tug lej muaj xws li ib tug los nqi ntawm cov Actuator, uas yog nyob rau hauv lub nominal tam sim no. Qhov no parameter yuav muaj ib tug nqi los ntawm 1 mus rau 6 nyob ib tam sim no ntawm 10-160 A. Qhov thib ob ntiv ntawd hais hauv lub xub ntiag thiab lub hom phiaj ntawm lub thermal relay. Qhov thib peb tug lej qhia cov neeg kawm ntawv ntawm kev tiv thaiv los ntawm cov huab cua. Nws yuav qhia nrog cov zauv los ntawm 0 mus rau 6 lub.

Plaub cov sawv cev yog lub luag hauj lwm rau tus xov tooj thiab cov xwm ntawm kev sib cuag kev ua tau zoo yog tam sim no nyob rau hauv lub koom haum pab kev tswj Circuit Court. Tsis tas li ntawd hais lub hom phiaj ntawm cov kev sib cuag system: qhib los yog kaw. Fifth - lettering. Cov tsab ntawv "D" - oob khab PML nrog nyob currents ntawm 16 A thiab 80 mus rau 1 thiab 4 feem ntawm qhov ntau. Thiab qhov no kuj siv tau rau tsab ntawv 3 qhov tseem ceeb uas txo loj thiab loj tsis. Cov tsab ntawv "M", li ntawd, txhais tau tias koj yuav mount rau ib tug standard kev tsheb nqaj hlau los yog ncaj qha rau ntawm qhov kev kawm dav hlau.

Qhov no yog ua raws li los ntawm cov cim tej qhov chaw ntawm qeb, nyob rau hauv uas cov khoom yuav tsum ntsia. Cov yav tas los yog tsab ntawv qhia cov durability zoo. Yuav sawv cev nyob rau hauv daim ntawv ntawm cov tsiaj ntawv "A", "B" los yog "B", nws nyob ntawm lub xov tooj ntawm kev ua hauj lwm, uas yog raug mus rau lub oob khab PML.

Tsis tas li ntawd lub oob khab ntawm no hom, thiab lwm yam sib nqus actuators yuav siv tau rau kev tiv thaiv hluav taws xob circuits, piv txwv li, PMA, PME, CMI, thiab lwm yam LME. Lawv muaj ib tug txawv nyob rau hauv txoj kev ntawm kev twb kev txuas - nyob rau stator los yog nyob rau hauv lub cev muaj zog rotor. Oob khab hom LME txawv los ntawm lwm leej lwm tus nyob rau hauv hais tias nws yog ib tug ua kom tiav system rau kev tiv thaiv thiab lub cev muaj zog tswj circuits connectable mus rau ib tug voltage ntawm 400 V.

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