Abstract
The current paper pretends to offer a global vision about the actual situation of the regulations and requirements applied to High Voltage Shore Connection (HVSC) systems, also known as cold ironing. To develop the entire study, the following Classification Societies rules have been consulted: ABS - High Voltage Shore Connections; BV- High-Voltage Shore Connection System; DNV-Electrical Shore Connections; DNV-GL- Rules for classification of ships; LLOYD’S REGISTER-Rules and regulations for the classification of ships and RINA-Rules for the classification of ships. In the way to accomplish the proposed objective, the mentioned rules have been compared including all the specific aspects and regulations related with “the shore side” of the entire installation. These requirements are also compared with the international standard ISO/IEC/IEEE 80005-1 High Voltage Shore Connection Systems and show the grade of accuracy provided by each Classification Society against that standard. Finally, the results of the comparison show that many of the studied rules focus their rules just on the ship side of the installation or just provide some general recommendations for the shore side. According to that, the shore side is considered such as not part of the ship and consequently is not considered in their rules.
Highlights
The main objective of this paper is to provide a clear idea of the current situation of the rules of Classification Societies related on High Voltage Shore Connection (HVSC)
Continuous tolerances Voltage tolerance at the terminals of the shore connection switchboard according to IEC 600092-301 (1980) Voltage unbalanced tolerance including phase voltage unbalance as a result of load according to IEC 600092-201 Phase to phase voltage unbalance Voltage cyclic variation deviation Voltage tolerance at the point of the shore supply connection (% of nominal voltage), for no-load conditions Voltage tolerance at the point of the shore supply connection (% of nominal voltage), for rated load conditions Frequency tolerance between no load and nominal rating; according to IEC 600092-301 (1980) Frequency cyclic variation tolerance
Voltage transient recovery time Frequency (F) Frequency transient recovery time The response of the V and F at the shore connection when subjected to an appropriate range of step changes in load shall be defined and documented for each High Voltage (HV) shore supply installation; The maximum step change in load expected when connected to a HV shore supply shall be defined and documented for each ship
Summary
The current paper pretends to offer a global vision about the actual situation of the regulations and requirements applied to High Voltage Shore Connection (HVSC) systems, known as cold ironing. In the way to accomplish the proposed objective, the mentioned rules have been compared including all the specific aspects and regulations related with “the shore side” of the entire installation. These requirements are compared with the international standard ISO/IEC/IEEE 80005-1 High Voltage Shore Connection Systems and show the grade of accuracy provided by each Classification Society against that standard. The shore side is considered such as not part of the ship and is not considered in their rules
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