iec 60076-2 power transformers - temperature rise
iec 60076-3 power transformers - insulation levels, dielectric tests and external clearances in a
Ngày tải lên: 25/12/2013, 10:34
iec 60076-4 power transformers - guide to the lightning impulse and switching impulse testing
... winding.) This circuit was selected for three-phase transformers with both three- and five-limb cores to perform simultaneously testing of the phase-to-earth and phase-to-phase insulation with 1,0 p.u. (per ... Group at 1-8 0 0-4 5 1-1 584. || |||| | | || ||||| | | |||| || | ||| |||| | | | | 6007 6-4 IEC: 2002 – 105 – (1) (2) IEC 1444/02 Figure B.13a – Reduced full wave (62,5...
Ngày tải lên: 25/12/2013, 10:35
iec 60076-8 power transformers - application guide
... convert a time-variable load to an equivalent continuous load is treated in IEC 60354 for oil-immersed transformers and in IEC 60905 for dry-type transformers. The required continuous load power represents ... Document Policy Management Group at 1-8 0 0-4 5 1-1 584. || |||| | | || ||||| | | |||| || | ||| |||| | | || || 6007 6-8 IEC: 1997 – 141 – 8.4.5 Rated current and...
Ngày tải lên: 25/12/2013, 10:36
iec 60076-10 power transformers - determination of sound levels
... Document Policy Management Group at 1-8 0 0-4 5 1-1 584. || |||| | | || ||||| | | |||| || | ||| |||| || | ||| INTERNATIONAL STANDARD IEC 6007 6-1 0 First edition 200 1-0 5 Power transformers – Part 10: Determination ... at 1-8 0 0-4 5 1-1 584. || |||| | | || ||||| | | |||| || | ||| |||| || | ||| – 8 – 6007 6-1 0 IEC: 2001(E) 3 Definitions For the purpose of this...
Ngày tải lên: 25/12/2013, 10:36
Power transformers principles and application
... network connec- tions for a bank of single-phase transformers with ∆-connected tertiary wind- ings added to create a Y-∆-Grd.Y transformer connection. A 1.0 per unit single-phase-to-ground load ... three-winding transformers, including single-phase core form; single-phase shell form; three-phase, three-legged and five-legged core form; and three-phase shell form designs. In core-form design...
Ngày tải lên: 31/12/2013, 22:33
Báo cáo khoa học "ADIABATIC TEMPERATURE RISE AND REACTION RATE OF MASS STRUCTURE IN LOTTE CENTER HANOI PROJECT " pptx
... and checked Adiabatic temperature rise experiment & strength of test piece with fly-ash. 2.2 Comparative analysis of experimental value and measured value in the mock-up test Thermocouple ... amount of other admixtures. Also in the experiment of adiabatic temperature rise the temperature rise of hydration heat and the highest temperature showed insignificant differences...
Ngày tải lên: 07/03/2014, 03:20
Exergoeconomic performance optimization of an endoreversible intercooled regenerative Brayton combined heat and power plant coupled to variable-temperature heat reservoirs
... Brayton closed- cycle coupled to variable -temperature heat reservoirs is shown in Figure 1. Process 1-2 and 3-4 are isentropic adiabatic compression processes in the low- and high-pressure compressors, ... 4 τ ratio of the consumer-side temperature to environment temperature Subscripts ex exergy H hot-side I intercooler in inlet K consumer-side L cold-side ma...
Ngày tải lên: 05/09/2013, 14:59
IEC 60044 1 instrument transformers part 1 current transformers
Ngày tải lên: 25/12/2013, 10:25
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