kuffel, e (2000) high voltage engineering - fundamentals (2nd ed )

... of higher dielectric strength, the test voltage levels were increased to 5–8V 0 .In the 1970s premature failures of extruded dielectric cables factory tested under d.c. voltage at speci ed levels were ... undergraduate and grad- uate students enrolled in high voltage engineering courses as well as junior researchers engaged in the field of gas discharges. The in-depth treatment of...

Ngày tải lên: 18/04/2014, 12:28

... with exactly one element of the other, the two sets are said to have a one-to-one correspondence. We have just shown that there is a one-to-one correspon- derKe between the set of real numbers ... =0 1 (-1 )- ( - 3)1 = 121=2 1 3-( - 5)1 = 181 =8 Column 2 1-3 1 = 3 1 (-1 ) - (+5)j = I-oj = 0 i (-3 ) - (-1 ) 1 = 1-2 1 = 2 1 (-5 )- ( + 3)1 =...

Ngày tải lên: 31/03/2014, 16:13

... user a rewarding experience. However, there is sufficient advanced material to satisfy the needs of the second level students and professionals in the field. A first-level understanding ... the One- to Three-Pulse Generator by Using a PLA 615 13.2.2 Design of the One- to Three-Pulse Generator by Using a PAL 617 13.2.3 Design of the One- to Three-Pulse Gen...

Ngày tải lên: 18/04/2014, 10:55

... electromagnetic field the instan- taneous values of the electric field (E) (volts/metre) and the magnetic field (H) (amperes/metre) are related by E( V/m) ———— = Z 0 (ohms) (1. 7) H(A/m) where ... Figure 1.19. In this case the effec- tive core area is reduced by cos a, and the induced voltage becomes This expression shows that the induced open-circuit voltage, e, is dependent on the a...

Ngày tải lên: 18/04/2014, 12:24

... receiving device uses the RTP timestamps to determine when a packet was expected, whether the packet was in order, and whether it was received when expected. All this information helps the receiving ... newcomers were called Competitive LECs (CLECs). Many of the ILECs have started to consolidate. They are currently attempting to meet certain requirements to be able to enter the long-dista...

Ngày tải lên: 14/09/2012, 11:42

... intended to make the complexities of VoIP clearer and more accessible. Key terms are italicized the first time they are used and defined. In addition, key terms are spelled out and followed ... (IXCs), Competitive Local Exchange Carriers (CLECs), and so on—exist in the United States alone. Global deregulation of telephone markets is forcing government-owned incumbent telephone carriers ....

Ngày tải lên: 30/09/2013, 05:20

... additional elements are added to the D-latch shift register. For example, here is the 4-bit register. Shift.vi executes the above sequence. Figure 4-4 . Block Diagram for an 8-Bit Shift Register It ... provided by asserting the clock input in the form of a transition (from HI to LO) or (from LO to HI), so-called edge-triggered devices or level triggered devices, where the output follow...

Ngày tải lên: 19/10/2013, 11:15