Implementation of Simplified Models of Local Controller for Multi-terminal HVDC Systems in DIgSILENT PowerFactory

González-Longatt, Francisco; Roldan, Juan Manuel; Rueda, José L.; Charalambous, Charalambos A.; Rajpurohit, Bharat Singh

doi:10.1007/978-3-319-12958-7_19

Cited by 6 publications

(1 citation statement)

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“…It is an important task to determine the modelling requirements of the control schemes. The control system for a MTDC is composed of two different layers of controllers [25]: (i) terminal controllers and (ii) a master controller as illustrated in Fig. 1 The SVMM is defined as the difference between the dc reference voltages of the two terminals [27][28][29].…”

Section: Control Of Mtdc Systemsmentioning

confidence: 99%

Dynamic Behaviour of Multi-Terminal VSC-Based HVDC after a Converter Outage: DC Control Strategy

González-Longatt¹,

Arnaltes

Rodriguez-Amenedo

2024

RE&PQJ

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Abstract.The aim of this paper is to evaluate the effect of DC-voltage control strategy on dynamic behaviour of multi-terminal VoltageSource Converter (VSC)-Based HVDC after a converter outage. In this paper, two dc voltage control strategies are considered: (i) standard voltage margin method (SVMM) and (ii) standard voltage-droop method (SVDM). The impact is evaluated in this paper using time-domain simulations on simple test system using DIgSILENT ® PowerFactory TM considering a sudden disconnection of a converter-station. Simulation results demonstrate how important is the dc-voltage control strategy and the location/number of dc-buses involved in the dc-voltage on the dynamic response of the MTDC systems. The voltage margin control is capable to survive a converter outage just if this converter is operating on constant power mode.

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