Results 11 to 20 of about 433 (184)
A Review on Transformer - Less UPFC [PDF]
This paper is a review of an innovative technique with a new concept of transformer less unified power flow controller UPFC . The Transformer less UPFC is based on two cascade multilevel inverters CMIs , which reduce the complexity of the circuit.
Shaikh Mohammed Tauseef, S. M. Kulkarni
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[Introduction] The application of UPFC (Unified Power Flow Controller) is to increase the transmission capacity of key sections, which mainly through the injection of a certain series voltage into the system and therefore divert the power flow of target ...
Junwei LIU +4 more
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Quantitative Evaluation Method and Application Scheme of 500 kV UPFC Applicable Scene
In order to solve the problem of UPFC installation location selection at UHV level in actual grid planning, this paper first summarizes UPFC’s configuration principle based on existing engineering experience.
Xuhui SHEN +4 more
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Influence on the energy conservation of the power system by introducing UPFC
The unified power flow controller (UPFC) is an excellent flexible alternating current transmission device, which has a wide range application in the power system.
Feng Chen +5 more
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Unified power flow controllers (UPFCs) are FACTS devices which can fulfil multiple power-flow control objectives, such as the need for reactive shunt compensation, phase shifting and series compensation. However, as they are quite expensive, they are not widely used.
F. R. Islam, H. R. Pota
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DAMPING ABILITY STUDY FOR UPFC
This paper using the state space theory deduces the mathematical model for the single-machine infinite-bus systems with UPFC. And the eigenvalue method is employed to analyze the damping ability of UPFC.
Aihong TANG, Jiaoyu LIU, Youxin YUAN
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The technical level, architecture and reliability of computer supervisory control system and control & protection system are closely related to the safe and economic operation of UPFC.
Hubao CUI +3 more
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统一潮流控制器(UPFC)是最新一代柔性交流输电系统装置,综合了FACTS元件的多种灵活控制手段。受限于电力电子设备绝缘能力,UPFC故障穿越能力有限。文中在介绍UPFC串联侧故障快速隔离技术的基础上,提出了UPFC配合交流保护重启策略,发生影响UPFC运行的故障时,利用特征量进行故障区域和类型判别,判别为交流电网异常时,进一步根据故障特性,并检测电网运行状态和UPFC运行能力,执行UPFC故障穿越或短时闭锁后自动重启的策略。接着以500 kV苏南UPFC工程为例,介绍了该策略的具体实现方案 ...
林金娇 +4 more
doaj
Stability Improvement Of the (400kV) Iraqi Grid using the best FACTS Devices [PDF]
Electrical power system has become large and complicated, so it is subjected to sudden changes in load levels. Stability is an important concept which determines the stable operation of the power system.The modern trend is to employ by installing ...
Rashid H. Al-Rubayi +1 more
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This work introduces an IGSA‐BPSO optimized hybrid PIDNPDN controller for Automatic Generation Control in deregulated multisource power systems with electric vehicle integration, achieving faster dynamic response, reduced settling times, and enhanced stability compared to conventional controllers, thereby improving system reliability, flexibility, and ...
Ajay Kumar +3 more
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