Abstract
An excessive increase in reactive power consumption is unfavorable from the point of view of a power system. For this reason, devices compensating reactive power consumption are used. The capacitor is one such device. Capacitors must be tested regularly during their exploitation. One of the activities that should be performed is testing the degree of heating of the cells of a capacitor bank. Thermography can be used to perform such tests. This non-contact method has its limitations. Due to the angular emissivity and the change in the distance between the lens and the object under observation, the temperature measured with a thermographic camera may differ from the actual temperature. This phenomenon is visible on cylindrical capacitor cases. Consequently, depending on the location of the observation point on the capacitor case, the result of the thermographic temperature measurement may be different. To investigate this phenomenon, experimental work has been undertaken.
Highlights
Reflected radiation was registered on both capacitor cases, which were made of aluminum
As a result of the simulation work carried out, it was checked how the result of the was assumed that the diameter of the capacitor case intended for reactive power compenθt value change due tomm
The simulation was performed for tion, it was assumed that the diameter of the capacitor case intended for reactive power compensation
Summary
Publisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations. It is worth remembering that capacitors used for pensating reactive power work with voltages, which can be hazardous to human he 2 ofmay For this reason, touching the case of a capacitor with a temperature sensor cau electric shock. This problem can be minimized by the use of thermography, which non-contact method. For thisd [17], a reason, touching the case of a capacitor with a temperature sensor may cause electric ent temperature θa [18], external optical system temperature θl [19], an transmission o shock This problem can be minimized by the use of thermography, which is a non-contact external optical system τl [20], and relative humidity ω [21].
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