Pregled zmožnosti modernega frekvenčnega pretvornika

Ižanec, Rok (author), Podržaj, Primož (mentor)

Asinhronski elektromotorji so največkrat uporabljeni eletromotorji. Njihova največja slabost je, da jim ne moremo enostavno spreminjati vrtilne hitrosti. Z uporabo frekvenčega pretvornika je problem upravljanja vrtilne hitrosti enostavno odpravljen. V diplomski nalogi so predstavljene nekatere zmožnosti modernega frekvenčnega pretvornika. Ker pa imajo danes ti frekvenčniki veliko funkcij, se jih najlažje krmili kar preko računalniške programske opreme. V našem primeru je bil to programski paket CX-drive, preko katerega krmilimo elektromotor. Uporabimo pa lahko tudi že v frekvenčnik vgrajen PID krmilnik.

• Language: Slovenian
• Keywords: frekvenčni pretvorniki, elektromotorji, PID krmilniki, merilni sistemi, vrtilno magnetno polje, moment
• Work type: Bachelor thesis/paper
• Organization: FS - Faculty of Mechanical Engineering
• Year: 2017
• PID: 20.500.12556/RUL-94906
• Publication date in RUL: 11.09.2017

Secondary language

• Language: English
• Title: Overview of the capabilities of a modern frequency converter

Abstract

Asynchronous motors are the most commonly used electric motors. Their biggest disadvantage is that we can not change their rotational speed easily. If using a frequency converter, the problem of rotational speed control is simply solved. The thesis presents some of the capabilities of a modern frequency converter. Since these frequency converters have many functions today, they are best controlled through computer software. In our case, the CX-drive software package was used to control the electric motor. Our frequency converter also makes it possible to use PID controller integrated in the frequency converter.

• Keywords: frequency converters, electric motors, PID controllers, measuring systems, rotating magnetic field, torque