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HVDC — thyristor-based high-voltage direct current transmission systems

The manufacturer is developing high-voltage direct current (HVDC) transmission systems.

Technology
thyristor valves (LCC)
Scope
converter transformers, thyristor valves, control and protection system (C&P)
References
HVDC Busan; HVDC test site Jeju
Numerical parameters
not published in the available materials

Price, availability and lead time on request. We help with analogue selection, customs clearance and delivery.

Description

The manufacturer is developing high-voltage direct current (HVDC) transmission systems. According to the company's overview brochure, the proposed solution is based on thyristor valves and includes converter transformers, thyristor valve installations and a control and protection system (C&P). Reference projects cited are an HVDC facility in Busan and an HVDC test site on Jeju Island. An HVDC system with thyristor valves (line-commutated converters) is used to transmit large powers over long distances, by submarine cables, to connect non-synchronous power systems and for controlled power exchange between power systems. The main elements of the turnkey supply are rectifier and inverter substations with converter transformers, valve halls with thyristor modules, harmonic filters and compensating devices, and a control and protection system that provides power and voltage regulation and protects equipment during faults. The manufacturer has its own production base for key components: transformers (power units up to 550 kV and 800 MVA), gas-insulated switchgear (GIS) up to 420 kV, as well as power electronics and control systems. This allows the company to act as a full-service supplier for power systems. The portfolio also includes FACTS solutions, static thyristor compensators (SVC) and power quality devices. Applications: intersystem links, transmission of energy from remote power plants and island systems, and integration of large wind and solar parks. Numerical parameters (power, DC voltage, converter scheme) are not published in the available materials of the official website and are determined by the specific project.

Technical specifications

Technologythyristor valves (LCC)
Scopeconverter transformers, thyristor valves, control and protection system (C&P)
ReferencesHVDC Busan; HVDC test site Jeju
Numerical parametersnot published in the available materials

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HVDC — thyristor-based high-voltage direct current transmission systems. We reply within one business day.

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