This paper deals with analyzing and resolving Power Quality (PQ) issues in electric energy systems of ships with extensive electrification. Within this framework, optimized configurations of critical subsystems are studied in depth: shaft generators, thrusters, pods and protection against lightning. The anticipated results obtained from a large scale research project are summarized as aiming at a greener, safer and more reliable ship.
In the ongoing process of the offshore industry to improve safety aspects of drilling operations, ABS continues to provide support by developing enhanced safety requirements. This paper addresses the latest research that ABS performed to enhance its understanding of critical safety aspects in drilling operations and subsequent utilization of the results in updating the ABS Guide for the Classification of Drilling Systems (ABS CDS Guide).Several U.S. government regulatory initiatives have been implemented relative to offshore drilling operational safety. Other governmental regulators have also taken a similar approach in assessing their existing regulations with the focus on safety improvements. In parallel, the revised ABS CDS Guide provides updated safety requirements to assist industry to (1) improve overall safety in drilling operations and (2) meet regulatory compliance for the drilling systems.ABS commenced the criteria revision process with a gap-analysis between the existing offshore drilling practices and technology (including deepwater), applicable U.S. and worldwide regulations, recognized industry codes and standards, etc. Additionally, a survey was conducted with manufacturers, operators, and drilling contractors to identify main areas where the safety aspect of drilling operation could be improved. Based on the research and survey, industry's participation was a critical element in the rule making process -it provided insight into various safety issues, concerns in drilling operations and improved understanding between the industry and the regulators or Class society. From this process, ABS was able to develop additional measures to enhance existing criteria for drilling operations, while adopting a holistic approach to the classification process of drilling systems and equipment with consideration to the applicable regulatory initiatives. This paper outlines the currently developing regulatory changes to the U.S. drilling industry that may potentially impact worldwide drilling activities. This paper highlights the new safety requirements from our research and from the U.S. regulatory perspective, including: BOP recertification, maintenance, and testing, API RP 53 rewrite to API Spec 53 for adoption into the U.S. CFR, management of safety and environmental systems of API RP 75, safety case initiatives and the role of third-party certification. This paper discusses the adoption of a performance-based standard for offshore drilling operations in conjunction with the current prescriptive regulatory regime.
OTC 22758Through a re-examination of current technology and experience, ABS has updated the ABS MODU Rules and the ABS CDS Guide. This paper focuses on the update of the ABS CDS Guide as is specific to drilling operations. This paper discusses the background of regulatory requirements along with initiatives by ABS, U.S. regulatory bodies and industry code and standards committees to assist the offshore industry in achieving safety enhancements in offshore drilling operations through the updating of ru...
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.