標準編號:	DL/T 5044-2004
中文名稱:	電力工程直流系統設計技術規程
英文名稱:	Technical Code for Designing DC System of Power Projects
中標分類:	P61    發電站工程
行業分類:	DL    電力行業標準
ICS分類:	27.100 27.100    電站綜合 27.100
發布機構:	國家發展和改革委員會
發布日期:	2004-03-09
實施日期:	2004-6-1
標準狀態:	superseded
被新標準替代:	DL/T 5044-2014 電力工程直流電源系統設計技術規程
被替代日期:	2015-3-1
作廢日期:	2015-03-01
替代舊標準:	DL/T 5044-1995 火力發電廠、變電所直流系統設計技術規定
翻譯語言:	英文
文件格式:	PDF
中文字符數:	50000 字
翻譯價格(元):	600.0
交付時間:	付款后 1 個工作日

This Code states requirements on the DC system wiring, equipment selection and allocation, DC system external interface and relevant trades. This Code is applicable to the design of the DC systems ion the newly-built projects in the fossil fuel power plants with the unit capacity of 1000MW and lower, 500kV-and-lower substations and DC power transmission converter stations. The extended and rebuilt projects can be carried out referring to this. The fossil fuel power plants include the coalfired power station, oil fired power plant, gas power station and refuse-burning plant. Nuke, 750kV substations and other power projects can be carried out referring to it.

Foreword 1. Scope 2. Normative References 3. Terms 4. System Wiring 4.1 DC Power Supply 4.2 System Voltage 4.3 Storage Battery 4.4 Charging Equipment 4.5 Wiring Mode 4.6 Network Design 5. DC Load 5.1 Classification of DC Load 5.2 Statistics of DC Load 6. Protection and Monitoring 6.1 Protection 6.2 Measurement 6.3 Signal 6.4 Automation Requirements 7 Equipment Selection 7.1 Battery 7.2 Charging equipment 7.3 Cable 7.4 Test discharge device of storage battery 7.5 DC circuit breaker 7.6 Fuse breaker 7.7 Disconnecting switch 7.8 Dropping equipment 7.9 Direct current cabinet 7.10 DC power supply aggregate 8 Plant Layout 8.1 Direct current cabinet disposal 8.2 Valve control type seal lead-acid battery team disposal 8.3 Acidproof type lead-acid battery group and cadmium nickel alkaline storage battery disposal 9 Requirements of relative specialties of special use battery room 9.1. General technical requirements of relative specialties of special use battery room 9.2 Correlate professional requirements of valve control type seal lead-acid battery assembly 9.3 Professional requirements of acidproof type lead-acid battery group and cadmium nickel alkaline storage battery Annex A (Informative) DC system I/O table Annex B (Informative) Storage battery select Annex C (Informative) Selection of Charging Equipment and Commutation Modules Annex D (Informative) Selection of Cross Section of Cable Annex E (Informative) Selection of DC Circuit Breaker Annex F (Informative) Selection of Main Bus-bar of Battery Circuit Equipment and DC Cabinet Annex G (Informative) Calculation of Short-Circuit Current of Accumulator and Reference Values Annex H (Normative) Wording explanation