Mathematical model for resistive tubular heater

Neaca, Mitica Iustinian; Neaca, Andreea Maria

doi:10.1109/icate.2016.7754676

Cited by 4 publications

(2 citation statements)

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“…33 Heat conduction and convention model of the 5-kV HVDC-ResDiv Extraction of mathematical model and its simulation, which allows analysis and evolution of various operating modes and behaviors of systems, is essential in the design of complex installations. 34,35 Heat conduction and energy equations Q P is about 2.5 W, and a trivial amount is stored in the resistors, and the rest is transferred to the liquid (Figure 1). When the temperature of the outer ambiance is cooler than the inner ambiance of the HPCyT, a certain part of the heat is transferred to the outer ambiance through the lateral surface of the tank.…”

Section: Heat Distribution Controlled Hvdc-resdiv Platformmentioning

confidence: 99%

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Modeling and simulation of a fuzzy heat distribution controlled high-voltage DC resistive divider

Yılmaz

Kilci

2020

Measurement and Control

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In order to improve quality in manufacturing, the measuring instruments used in production process should regularly be monitored and corrected according to international or national standards. Calibration of high-voltage equipment and precise measurements of DC high voltages are accomplished by standard voltage divider. Self-heating effect is the main error source of measurement in high-voltage DC resistive dividers. Therefore, precise control systems should be designed to keep stability of the ambient temperature and to regulate the heat distribution along the high-voltage DC resistive divider. For this purpose, a heat controlled resistive divider whose input voltage ( Vin) is up to 5 kV was designed. This study is focused on heat convention and the dissipation model of the resistive divider and executes some control simulations under various conditions that aim to find the appropriate control method. Responses of the high-voltage DC resistive divider model are compared with and are validated by the responses of the designed actual system. The model provides us faster analyze and design solutions for novel methods. In this way, analyzing and controlling higher voltage dividers, such as 100 KV, will reduce just into a parameter change on the model. The fuzzy control method is suggested since the system dynamic has non-linear characteristics. Fuzzy temperature difference controller keeps temperature at a certain degree where fuzzy vertical temperature gradient controller keeps vertical temperature gradient around zero. Actual system and model responses for the fuzzy control are compared and interpreted.

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Section: Heat Distribution Controlled Hvdc-resdiv Platformmentioning

confidence: 99%

“…Extraction of mathematical model and its simulation, which allows analysis and evolution of various operating modes and behaviors of systems, is essential in the design of complex installations. 34,35…”

Section: Heat Conduction and Convention Model Of The 5-kv Hvdc-resdivmentioning

confidence: 99%