Regulacija nivoa vode u procesnoj posudi pomoću pumpi pogonjenih frekvencijskim pretvaračem

master's thesis

• Title (english): Level control in the process vessel using pumps driven by frequency converter
• Author: Filip Ćubela
• Mentor: Martina Kutija (mentor)
• Committee member: Martina Kutija (predsjednik povjerenstva)
• Committee member: Damir Sumina (član povjerenstva)
• Committee member: Igor Erceg (član povjerenstva)
• Granter: University of Zagreb; Faculty of Electrical Engineering and Computing; Zagreb
• Defense date and country: 2021-07-13, Croatia
• Scientific / art field, discipline and subdiscipline: TECHNICAL SCIENCES; Electrical Engineering

Abstract

U radu je analiziran tehnološki proces i opisan princip rada postrojenja s dehidratorom i spremnikom slane vode u kojem se vrši odvajanje vezane vode od nafte. Definirani
su procesni zahtjevi za automatsko upravljanje pumpama u cilju stabilizacije tlaka u otpremnom slanovodu. Navedena je procesna periferija koja se koristi, te prikazana na dijagramu
cjevovoda i instrumentacije (P&ID). Izrađeni su regulatori za PLC Mitsubishi MELSEC iQ-R serije, kojima je zadaća kontrolirati razinu vode u dehidratoru i spremniku slane vode upravljanjem pumpama na njihovim izlazima. Ostvareno je vizualizacijsko sucelje (HMI) s kojeg je moguće zadavati referentne vrijednosti, nadzirati procesne veličine, pratiti trendove i podešavati parametre regulatora. Opisane su sigurnosne funkcije za zaštitu proizvodnog procesa.

Abstract (english)

In this thesis, the technological process is considered and the principle of operation
of the plant with a dehydrator and a salt water tank is described. Process requirements are
defined for automatic control of pumps in order to stabilize the pressure in the discharging
saline. The process peripherals used are listed and shown on the pipeline and instrumentation
(P&ID) diagram. Controllers have been made for the Mitsubishi MELSEC iQ-R series PLC,
whose task is to control the water level in the dehydrator and salt water tank by controlling
the pumps at their outlets. A visualization interface (HMI) has been created from which it is
possible to set reference values, monitor process values, monitor trends and adjust controller
parameters. Finally, safety functions for the protection of the production process are described

• Keywords: regulacija razine; dehidrator; HMI; PLC; frekvencijski pretvarač; procesna periferija; instrumentacija; procesna automatizacija
• Keywords (english): level control; dehydrator; HMI; PLC; frequency converter; process peripherals; instrumentation; process automation
• Language: croatian
• URN:NBN: urn:nbn:hr:168:302110
• Study programme: Title: Electrical Engineering and Information Technology; Study programme type: university; Study level: graduate; Academic / professional title: magistar/magistra inženjer/inženjerka elektrotehnike i informacijske tehnologije (magistar/magistra inženjer/inženjerka elektrotehnike i informacijske tehnologije)
• Type of resource: Text
• File origin: Born digital
• Access conditions: Closed access
• Created on: 2023-01-13 12:04:14