Agus soláthar cumhachta DC rialaithe á úsáid, nuair a bhíonn an voltas á choigeartú, faightear amach nach féidir an voltas gan ualach a choigeartú.
Some operators like to turn the "current adjustment" potentiometer to the left, so that the no-load voltage of the power supply cannot be adjusted. This shows his lack of substantial understanding of "current regulation". Because the power supply consumes a little current even if it is no-load, and if you turn off the "current regulation" to zero, even a small current will not be released, and of course the no-load voltage will not rise. Therefore, "current regulation" is generally not adjusted to zero (the above situation will not occur if it is adjusted to the right to about a quarter of a turn).
Modh oibríochta ginearálta: Nuair a úsáidtear voltas aschuir na foinse rialaithe, ba cheart an knob coigeartaithe reatha a iompú deiseal go dtí an deireadh agus a choinneáil. Coigeartaigh an knob coigeartaithe voltais chun an luach voltais DC aschuir a rialú. Agus an sruth á aschur mar fhoinse sruth seasta, cas an tsnámh coigeartaithe voltais deiseal go dtí an deireadh agus coinnigh é. Coigeartaigh an knob coigeartaithe reatha chun an luach reatha DC aschuir a rialú.
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