內容簡介
The standard is prepared based on the GB/T 1.1-2009 Directives for Standardization - Part 1: Structure and Drafting of Standards.
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This standard is a revision of DL/T 563-2004 Code of electro-hydraulic regulating system andunit for hydraulic lurbines. Majortechnical changes include:
-Applicable servomotor capacity is changed from 3000N-m or above to 350N-m or above;
-Terms and definitions have been revised and added;
-The application conditions have been revised;
-Clauses concerning hydraulic turbine governing system ofreversible pump-turbine have been added;
-Technical requirements concerning the hydraulic turbine governing system of impulse unit and turbine with the control ofpressure regulating value have been added;
-Speed dead band requirement has been revised;
-Position drift of servomotor at manual operation mode has been added;
-Permissible range ofno-load speed swing at manual/automatic operation mode has been revised;
-Technical requirements for dynamic response ofno-load disturbing have been added;
-Pump start-up interval time requirement has been added;
-The examination index of servomotor dead time has been classified and adjusted;
-Technical requirements in regard to primary frequency control and isolated network regulation have been added;
-Examination requirements of 1OO%load rejection have been revised;
-Requirements for oilleakage and static oil consumption have been added;
-Performance requirements of electrical part, mechanical-hydraulic part and oil pressure supply unit have been revised;
-Structure, component and technological process requirements have been revised;
-Subscript and Special Symbol ofthe version 2004 in Annex A.2has been deleted;
-Capacity of the pressure vessel of oil pressure supply unit has been revised.
This professional standard replaces DL/T 563-2004 Code of electro -hydraulic regulating system andunit for hydraulic turbines from the implementation date ofthis standard.
圖書目錄
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Applicationconditions
5 Technicalrequirements
5.1 Systemrequirements
5.2 Performancerequirements
5.3 Detection, signal and parameter display
5.4 Structure, component and technologicalprocess
6 Testing and acceptance
6.1 Testing
6.2 Acceptance
7 Packaging, transport and storage
Annex A (Normative) capacity ofthe pressure vessel ofoil pressure supply unit