IEC 60909 3 short circuit currents in three phase a c systems currents during two separate sim
IEC 60909 3 short circuit currents in three phase a c systems currents during two separate sim
... establish practical and concise procedures for the calculation of line-to-earth short- circuit currents during two separate simultaneous line-to-earth short circuits and partial short- circuit currents ... (12) 5.1 .3 Distribution of line-to-earth short- circuit currents during two separate simultaneous line-to-earth short circuits If two separate line-to-e...
Ngày tải lên: 04/04/2014, 11:58
Three phase a c circuits
... PM4/10/2008 3: 24:59 PM Fundamental Electrical and Electronic Principles 1 13 Fundamental Electrical and Electronic Principles 1 13 Three- Phase A. C. Circuits Suggested Practical Assignments Assignment ... supply is connected to an unbalanced, star-connected load, having a power factor of 0.8 lagging in each phase. The currents are 40 A in the red phase, 55 A in...
Ngày tải lên: 03/04/2014, 20:52
IEC 60909 2 electrical equipment data for short circuit current calculations
... d-transformers: 1,5 -3, 2 O$- 1 ,O In tables 3A, 3B and 3C, characteristic data for two- winding, three- winding and auto- transformers are listed. Copyright International Electrotechnical Commission ... thermoplastic material based on PVC, concentric copper conductor, helically applied, and a protective covering in the form of a sheat of thermoplastic material b...
Ngày tải lên: 04/04/2014, 11:57
iec 60076-3 power transformers - insulation levels, dielectric tests and external clearances in a
... Electrotechnical Commission Licensed by Information Handling Services COPYRIGHT International Electrotechnical Commission Licensed by Information Handling Services COPYRIGHT International Electrotechnical ... Electrotechnical Commission Licensed by Information Handling Services COPYRIGHT International Electrotechnical Commission Licensed by Information Handling Services COPYRIGHT Internationa...
Ngày tải lên: 25/12/2013, 10:34
Chuẩn IEC 61131-3 trong hệ thống điều khiển phân tán.pdf
... ANALOG_16_INPUT_DATA : ARRAY [1 16] OF ANALOG_DATA ; END_TYPE C utr c: TYPE ANALOG_CHANNEL_CONFIGURATION: STRUCT RANGE : ANALOG_SIGNAL_RANGE ; MIN_SCALE : ANALOG_DATA ; MAX_SCALE : ANALOG_DATA ... FB RESOURCE TASK TASK PROGRAM PROGRAM FB FB GLOBAL and DIRECTLY REPRESENTED VARIABLES and INSTANCE-SPECIFIC INITIALIZATIONS ACCESS PATHS Execution control path Variable access paths FB Functi...
Ngày tải lên: 20/08/2012, 11:04
Báo cáo y học: "2009 H1N1 Influenza and Experience in Three Critical Care Unit"
... myalgia, prostration, odynophagia, chest pain, abdominal pain, and nasal congestion. Data were reported by the attending physicians reviewing medical charts, radiologic and laboratory records. The ... moxifloxacin (in 19 patients), linezolid (in 14 patients), ampicilline-sulbactam (in 13 patients), clar- ithromycin (in 13 patients), piperacillin-tazobactam (in 12 patients), imip...
Ngày tải lên: 25/10/2012, 11:04
Báo cáo y học: " Influenza Vaccination: Healthcare Workers Attitude in Three Middle East Countrie"
... Regulatory bodies must organize different educational programs and vaccination campaigns to improve HCWs’ awareness o n influenza vaccination. To increase HCWs’ compliance to influenza vaccination, ... interventions and educational programs to increase vaccination acceptance among HCWs. Key words: Influenza, healthcare workers, vaccination INTRODUCTION Healthcare workers (HCWs) pose...
Ngày tải lên: 25/10/2012, 11:40
XÂY DỰNG GÓI PHẦN MỀM SFC CHO ĐIỀU KHIỂN TRÌNH TỰ THEO CHUẨN IEC 61131-3
... Khoi_tao_ban_dau Lua_chon_che_do Dieu_khien_ket_thuc S1 Do_nuoc_11 Ngam_quay_co_dao_chieu_1 S5 Xa_nuoc_11 Do_nuoc_12 Quay_co_dao_chieu_11 Xa_nuoc_12 Do_nuoc_ 13 Quay_co_dao_chieu_12 Xa_nuoc_ 13 S 13 Quay_khong_dao_chieu_toc_do_cao_1 Do_nuoc_21 Ngam_quay_co_dao_chieu_2 Xa_nuoc_21 Do_nuoc_22 Quay_co_dao_chieu_21 Xa_nuoc_22 Do_nuoc_ 23 Quay_co_dao_chieu_22 Xa_nuoc_ 23 Quay_khong_dao_chieu_...
Ngày tải lên: 25/04/2013, 08:38