Supply of an entirely passive AC system through an HVDC link

Oliveira, Murilo Moura; Poloujadoff, M.; Du, Anluo; Therond, P.G.

doi:10.1016/0142-0615(94)90047-7

Cited by 10 publications

(5 citation statements)

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“…There has been in depth growth and fast development within the exploitation of wind energy in recent years. The individual units is of huge capability up to 2 MW, feeding into distribution network, particularly with customers connected in close proximity [3]. Today quite 28000 wind generating turbines are unit with success operational everywhere in the world.…”

Section: Introductionmentioning

confidence: 99%

“…The disadvantage of using shunt condenser is that the reactive power supplied is proportional to the square of the voltage. Consequently, the reactive power supplied from the capacitors decreases rapidly when the voltage decreases [3] .To overcomes the above disadvantages; STATCOM is best suited for reactive power compensation and harmonic reduction. It is based on a controllable voltage source converter (VSC).…”

Section: Introductionmentioning

confidence: 99%

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High Performance Control Strategy of a LCC HVDC System for Power System Enhancement

Dharani,

Nerella

2019

IJEAT

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It is well-known that traditional LCC HVDC system is not capable of control its reactive strength and terminal AC voltages. This paper investigates the reactive electricity and AC voltages manage at the inverter aspect of the LCC HVDC system with controllable capacitors. The system’s capability of operating below poor extinction angle is utilized to reap a wide range of reactive energy control and, mainly, the capacity of exporting reactive electricity. The effectiveness of the reactive strength/voltage control functionality for the proposed device is demonstrated via simulation outcomes the use of actual Time digital Simulator (RTDS). To verify the effectiveness of the reactive electricity and voltage control, CCC HVDC and LCC HVDC with SVC are also set up in RTDS. The proposed idea makes an integration of Fuzzy good judgment which assists in accurate control of capacitors and makes the device green by means of lowering the consumption of Reactive energy. All of the outcomes are acquired from the MATLAB simulations and numerous graphs are plotted.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

High Performance Control Strategy of a LCC HVDC System for Power System Enhancement

Dharani,

Nerella

2019

IJEAT

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“…For point to point HVDC schemes, unlike back-to-back schemes, the communication delay and/or the requirements for the system to operate without communications largely limit the possibility of reactive power control. Most of the literatures are then focused on reactive power compensation rather than reducing reactive consumption level of converter [4][5][6][7][8][9][10][11][12]. In those methods, external reactive compensation devices are installed at the inverter AC side.…”

Section: Introductionmentioning

confidence: 99%

Reactive Power and AC Voltage Control of LCC HVDC System With Controllable Capacitors

Xue

Zhang

2017

IEEE Trans. Power Syst.

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“…Aside from AC voltage support, these methods provide the reactive power of the HVDC converters. These methods can be referred to in the literature [1][2][3][4][5][6]. The traditional devices to meet the requirements of HVDC converters for connecting to passive networks used to be synchronous condensers [1].…”

Section: Introductionmentioning

confidence: 99%

“…In [4], a static VAR compensator (STATCOM) was used along with a HVDC converter to supply an entirely passive AC system. In [5], the simultaneous application of a STATCOM and capacitor-commutated converter (CCC)-HVDC was proposed to supply a passive AC network.…”

Section: Introductionmentioning

confidence: 99%

Passive AC network supplying the integration of CCC-HVDC and VSC-HVDC systems

Bidadfar¹,

Abedi

Karrari³

2014

Turk J Elec Eng & Comp Sci

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Abstract:The integration of a capacitor-commutated converter (CCC) high-voltage direct current (HVDC) (CCC-HVDC) and voltage source converter (VSC) HVDC (VSC-HVDC) is proposed in this paper to supply entirely passive AC networks. The key point of this integration is the flat characteristic of the DC voltage of the CCC-HVDC, which provides the condition for the VSC to connect to the CCC DC link via a current regulator. The advantages of the proposed combined infeeding system are the requirement of only one DC line, and better dynamic responses. The structure of the proposed infeeding system, as well as its control system, is studied. Simulation results are provided to validate the effectiveness of the proposed system and its control strategy. Two other schemes for infeeding AC passive networks are studied to demonstrate the advantages of the proposed system.

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Supply of an entirely passive AC system through an HVDC link

Cited by 10 publications

References 1 publication

High Performance Control Strategy of a LCC HVDC System for Power System Enhancement

High Performance Control Strategy of a LCC HVDC System for Power System Enhancement

Reactive Power and AC Voltage Control of LCC HVDC System With Controllable Capacitors

Passive AC network supplying the integration of CCC-HVDC and VSC-HVDC systems

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