Performance analysis of FPGA controlled four-leg DSTATCOM for multifarious load compensation in electric distribution system

(چکیده مقاله) :
Abstract :

A field programmable gate array (FPGA) controlled four-leg distribution static compensator
(FL-DSTATCOM) has been implemented to achieve harmonic alleviation, supply current balancing,
compensation of reactive power and current flow in the neutral conductor of a 4-wire 3-phase electric
distribution system with static, dynamic and combined loads. The unbalanced non-linear and linear static
loads are considered for analyzing compensation behaviour of FL-DSTATCOM. The practicability of
FL-DSTATCOM for compensating reactive power under dynamic condition is evaluated with slip ring
induction machine having variable load current. Also, the performance of FL-DSTATCOM is examined
with combined load, which is a combination of dynamic and unbalanced static loads. The reference
current signals are produced by using synchronous reference frame theory. Hysteresis band current
controller is utilized for generating switching pulse for IGBT switches present in the FL-DSTATCOM.
Independent modules are developed for realizing all the tasks in FPGA with the feasibility to reconfigure
the hardware for any other application with similar requirements. The experimental results demonstrate
that the FPGA controlled FL-DSTATCOM is capable of making the supply current as balanced and
sinusoidal, maintaining the power factor at point of common coupling near to unity and reducing the
supply neutral current very close to zero

(توضیحات تکمیلی) :

(توضیحات تکمیلی) :
Description :

مقاله ISI انگلیسی اصلی
سال انتشار:2018
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تعداد صفحات فایل ISI انگلیسی اصلی: 12 صفحه



Authors / Descriptions(نویسندگان/توضیحات): مقاله ISI سال انتشار2018 \ Azhagesan Dheepanchakkravarthy a, Syamalan Akhil a, Kandadai Venkatraman b, Manickavasagam Parvathy Selvan a, Sridharan Moorthi a,⇑
Sent date(تاریخ ارسال) : 1397/10/28  |   1/18/2019
Number of visits(تعداد بازدید): 675
Key words (کلمات کلیدی): FPGA FL-DSTATCOM Verilog HDL Power quality Neutral current reduction Unbalanced static load Slip ring induction machine Combined load
Number of pages(تعداد صفحات) : 12
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