BS 159 1992 high voltage busbars and busbar connections
BS 159 1992 high voltage busbars and busbar connections
... for expansion and contraction of busbars and busbar connections, caused by temperature variations. 5.9 Marking of busbars and busbar connections The marking of busbars and busbar connections ... Rating of busbars 1) Number of poles. 2) Voltage. 3) Normal current of busbars and busbar connections. 4) Frequency. 5) Short-time current and duration or, if t...
Ngày tải lên: 28/09/2014, 23:11
IEC 62271 100 high voltage switchgear and controlgear high voltage alternating current circuit
... 00 . NORME INTERNATIONALE CEI IEC INTERNATIONAL STANDARD 62271-100 Edition 1.1 2003-05 Appareillage à haute tension – Partie 100: Disjoncteurs à courant alternatif à haute tension High- voltage switchgear and controlgear – Part 100: High- voltage ... 1a – Standard values of transient recovery voltage – Rated voltages below 100 kV – Representation by two parameters 79 Table 1b – Stan...
Ngày tải lên: 04/04/2014, 12:34
IEC 62271 203 high voltage switchgear and controlgear gas insulated metal enclosed swithgear
... rated voltages for equipment of range I Rated short-duration power-frequency withstand voltage U d kV (r.m.s. value) Rated lightning impulse withstand voltage U p kV (peak value) Rated voltage ... = 1,2 U r U r : rated voltage for equipment. U d : power-frequency withstand test voltage as per Table 102 and 103. U pre-stress : pre-stress voltage. U pd-test : test voltage for P...
Ngày tải lên: 04/04/2014, 12:34
IEC 62271 308 high voltage switchgear and controlgear guide to asymetrical shoet circuit breaki
... 60427 102 High- voltage alternating current disconnectors and earthing switches IEC 60129 103 High- voltage switches for rated voltages above 1 kV and less than 52 kV IEC 60265-1 104 High- voltage ... switchgear and controlgear for rated voltages up to and including 52 kV IEC 60298 201 Insulation-enclosed switchgear and controlgear for rated voltages up to and including 5...
Ngày tải lên: 04/04/2014, 12:35
IEC TR 62271 310 high voltage switchgear and controlgear electrical endurance testing for circu
... switchgear and controlgear for rated voltages above 1 kV and up to and including 52 kV IEC 60298 201 AC insulation-enclosed switchgear and controlgear for rated voltages above 1 kV and up to and ... for high- voltage switchgear and controlgear for rated voltages and above 1 kV and less than 100 kV 2 New 310 Electrical endurance testing for circuit-breakers of rate...
Ngày tải lên: 04/04/2014, 12:38
BS 5486 12 1989 low voltage switchgear and controlgear assemblies
... Uncontrolled Copy, © BSI Licensed copy:RMJM, 07/09/2005, Uncontrolled Copy, © BSI Licensed copy:RMJM, 07/09/2005, Uncontrolled Copy, © BSI Licensed copy:RMJM, 07/09/2005, Uncontrolled Copy, © BSI Licensed ... Uncontrolled Copy, © BSI Licensed copy:RMJM, 07/09/2005, Uncontrolled Copy, © BSI Licensed copy:RMJM, 07/09/2005, Uncontrolled Copy, © BSI Licensed copy:RMJM, 07/09/2005, Uncontrolled Co...
Ngày tải lên: 28/09/2014, 23:27
BS 5486 11 1989 low voltage switchgear and controlgear assemblies
... mm 2 . Neutral busbars of SP and N fuseboards (see7.1.4.1) and 20 A and 32 A TP and N fuseboards shall have one outgoing terminal for each fuse. For all other TP and N fuseboards the neutral busbar ... manufacturer and user 11 Figure 101 — Diagram of connections for TP and N fuseboard having outgoingways rated up to and including 32 A 7 Figure 102 — Diagram of conne...
Ngày tải lên: 28/09/2014, 23:27
High-Speed WLANs and WLAN Security
... 802.11a 8 U-NII Frequency Band (continued) 17 Other WLAN Standards • Future of WLANs will include: – Additional standards that are currently under development by the IEEE – New standards that are just ... higher speeds 2 Objectives • Describe how IEEE 802.11a networks function and how they differ from 802.11 networks • Outline how 802.11g enhances 802.11b networks • Discuss new and futu...
Ngày tải lên: 13/09/2012, 10:52
Xe ô tô BMW X5 E70 SM 03a_E70 Voltage Supply and Bus
... sure the plug connections and, above all, that the screw connections are secured properly. Connection between battery terminal and distribution box - 15 Nm. 9 E70 Voltage Supply and Bus Systems Index ... the voltage axis. The FlexRay bus system is a bus system with a high data transmission rate and therefore with rapid changes in the voltage level. The voltage level as w...
Ngày tải lên: 19/10/2012, 13:48
Báo cáo y học: " Carotid Intima-media thickness in childhood and adolescent obesity relations to abdominal obesity, high triglyceride level and insulin resistance"
... patient care and organization. This work was supported, in part, by grant of Zhejiang Science and Technology Agency (2008C03002-1) and Zhejiang Major Medical and Health Science and Technology ... The children of MetS group had higher values of WC, SBP and TG, and lower HDL-C than these of obese group. There was no sta- tistical difference in the age and sex among three g...
Ngày tải lên: 25/10/2012, 11:40