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Phase-Controlled Multibank Resistive Heating With Optimized Current Harmonics
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AI
DOI：10.1109/TIE.2022.3217584.png)
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Abstract
En 中文
This article proposes a silicon-controlled rectifier (SCR) phase-controlled 3-phase 3-wire industrial heating system using multiple Delta Banks of resistors. In the proposed scheme, out of two similar groups denoted as Set, each has two resistance banks with a finite ratio of maximum power dissipation between them and operating with the same controlled firing angle. Each bank of resistance is Delta connected, one with SCRs in phase while the other with SCRs in line. This proposed configuration eliminates triplen besides some major characteristic harmonics in the line current. Delta connection permits the use of the same voltage rating of all resistors. In the proposed scheme, two such Sets are operated with a fixed firing angle difference to substantially reduce residual harmonics without any additional filters. An offline-optimization process determines the operating conditions of the sets. The proposed scheme with simple construction and operation, wide power range, and low total harmonic distortion makes it a practical and cost-effective solution. The modeling, analysis, and performance of the proposed scheme are presented, with supporting simulation and experimental results.
Keywords:
Harmonic analysis
Resistance
Power harmonic filters
Firing
Voltage control
Resistance heating
Heating systems
Phase control
power quality
power system harmonics
resistance heating control
Journal
IF:
7.2
Papers:
1.8W
Citations:
9.8W
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Cited Papers
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