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This paper presents a new control strategy for DC-based offshore wind farm connected to onshore AC grid through high-voltage DC (HVDC) system. The offshore wind farm is composed of variable speed wind turbines driving permanent magnet synchronous generators. Each PMSG is connected to the DC bus through a generator side converter unit. The DC voltage of the DC-bus is stepped up using a full-bridge...
The full or partial rating frequency converters, in general, are used widely for the operation of variable speed wind turbine (VSWT) driven wind generators. Among the variable speed wind generators, permanent magnet synchronous generator (PMSG) which uses a full rating frequency converter for grid interfacing is drawing much attention nowadays due to its some salient features. However, considering...
This paper proposes energy capacitor system (ECS) to smoothen the power fluctuation of wind farm composed of variable speed wind generators. Usually, ECS is installed at the terminal of wind farm through a step down transformer, and it is composed of AC-DC converter, DC-link capacitor, buck/boost converter, and EDLC bank. If the desired DC-link voltage is available, then the formation of ECS can be...
Fixed speed wind turbine generator system (WTGS) uses induction generator as wind generator. Besides some of its advantages, it suffers greatly to meet the requirements of new wind farm grid code due to the dependency on reactive power. Some flexible AC transmission systems (FACTS) devices have been proposed recently for compensating the reactive power of induction generator during network disturbances...
This paper presents the integration of hydrogen generation scheme into wind farm interconnected high-voltage DC (HVDC) system. The offshore wind farm composed of variable speed wind turbines driving permanent magnet synchronous generators and HVDC transmission system based on three-level (3L) neutral point clamped (NPC) voltage source converter (VSC) for the interconnection between offshore wind farm...
The recent trend of wind power generation is to use variable speed wind turbine (VSWT) driving a doubly fed induction generator (DFIG), or permanent magnet synchronous generator (PMSG). Among them stability analyses of DFIG type of VSWT have already been reported in many literatures. But transient stability analysis for synchronous generator type of VSWT is not sufficient enough. This paper focuses...
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