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مزایا و معایب منابع تولید پراکنده متصل به شبکه: Advantages and disadvantages of distributed generation connected to the grid

دسته‌بندی: مقالات
تاریخ: 21 اردیبهشت 1400
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مقالات برقی

Discussion on advantages and disadvantages of distributed generation connected to the grid

:Abstract

  • With people attention to sustainable development and environmental pollution,

distributed generation (DG) technology with its unique environment and economy raises more and more concern. The rapid development of DG technology results in large-capacity distributed power connected to the grid, but DG affected by natural conditions will cannot output power continuously and stably. And DG usually is incorporated into the electric power system at the distribution networks side, which will cause the system stability problems increased. In order to fully play the role of distributed power, avoid the adverse effects of its existence, it is necessary to study in-depth on DG and the technology of its connected to the grid. In this paper it is researched and analyzed for problems brought by DG connected to the grid and put forward the corresponding solution.

(https://ieeexplore.ieee.org/document/6057).International Conference on Electrical and Control Engineering, IEEE 2011.

Distributed generation: definition, benefits and issues

 Abstract:

This paper starts from the observation that there is a renewed interest in small-scale electricity generation. The authors start with a survey of existing small-scale generation technologies and then move on with a discussion of the major benefits and issues of small-scale electricity generation. Different technologies are evaluated in terms of their possible contribution to the listed benefits and issues. Small-scale generation is also commonly called distributed generation, embedded generation or decentralized generation. In a final section, an attempt is made to define the latter concepts more precisely. It appears that there is no consensus on a precise definition as the concept encompasses many technologies and applications.

https://www.sciencedirect.com/science/article/abs/pii/S0301421503003069

Distributed generation technologies, definitions and benefits

Abstract:

As a result of the application of deregulation in the electric power sector, a new identity appeared in the electric power system map known as “distributed generation” (DG). According to new technology, the electric power generation trend uses disbursed generator sized from kW to MW at load sits instead of using traditional centralized generation units sized from 100MW to GW and located far from the loads where the natural recourses are available. This paper introduces a survey of this revolutionary approach of DGs, which will change the way electric power systems operate along with their types and operating technologies. Some important definitions of DGs and their operational constraints are discussed to help in understanding the concepts and regulations related to DGs. Furthermore, we will survey the operational and economical benefits of implementing DGs in the distribution network. Most DG literatures are based on studying the definitions, constructions or benefits of DGs separately. However, in our paper we aim to give a comprehensive survey by adding new classifications to relate the DG types, technologies and applications to each other.

https://www.sciencedirect.com/science/article/abs/pii/S0378779604000240

DISTRIBUTED GENERATION: BENEFITS AND CHALLENGES

Abstract:

 Distributed Generation units are anticipated to penetrate the distribution system within the next decade. Despite the many benefits a DG can provide, there are still a lot of challenges that need to be addressed in order to fully deploy DG into the system. One of these challenges is islanding protection. Before a DG can be connected to the distribution system, it must be tested for islanded operation. The paper highlights the benefits of installing distributed generation in the distribution system and focuses on islanding operation. Simulation results describing the performance of different inverter-based DG interfacing on islanding detection are presented. It is concluded that islanding might not be possible to detect in some operational scenarios.

مزایا و معایب اتصال مولدهای تولید پراکنده به شبکه

امروزه منابع تولید پراکنده نظیر انرژی های تجدیدپذیرو غیر تجدیدپذیر نقش بسزایی در پیشرفت صنعت برق دارند. بسیاری از مقالات به تعریف و تکنولوژی آنها پرداخته شده است. منابع تولید پراکنده دارای مزایا و معایبی می باشند. در ادامه به طور خلاصه به بیان مزایا و معایب آنها پرداخته شده است.

 مزایای منابع تولید پراکنده:

  •  آزادسازی ظرفیت شبکه برق
  • افزایش قابلیت اطمینان و کیفیت قدرت
  • جایگزین برای توسعه شبکه برق
  • کاهش تلفات در شبکه
  • استفاده برای مصارف در مناطق دورافتاده
  • کاهش نگرانی های زیست محیطی
  • افزایش قابلیت اطمینان شبکه
  • پشتیبانی از شبکه
  • استفاده از ترکیب تولید و برق حرارت
  • گسترش بازار برق و کاهش نوسانات قیمت در بازارهای انرژی
  • افزایش انعطاف پذیری

معایب منابع تولید پراکنده:

  • تاثیر بر روی حفاظت سیستم های قدرت
  • تأثیر بر ولتاژ شبکه
  • تاثیر بر برنامه ریزی شبکه
  • تأثیر بر پایداری سیستم های قدرت
  • افزایش سطح اتصال کوتاه شبکه

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