Tài liệu Power Point

... hiệu ứng  Công cụ duy nhất được dùng đến là Công cụ duy nhất được dùng đến là PowerPoint, hoàn toàn không dùng PowerPoint, hoàn toàn không dùng animated gifs, video hoặc các file flash animated

Ngày tải lên: 11/06/2013, 01:26

Ngày tải lên: 27/10/2013, 21:11

... noise power of 1 micro-watt 8/07 • 105203AE PowerWorx ® Products PowerWorx ® SuperPower ™ GMT Series Fuse Panels Ordering Information 13 www.adc.com • +1-952-938-8080 • 1-800-366-3891 PowerWorx ... mounting. PowerWorx LVD Front PowerWorx LVD ISO PowerWorx LVD Rear Description Catalog Number Shipping 4/4-position TPA, dual power feed, LVD PWX-F41RBA4XXYSPHP 10/10-position GMT, single powe...

Ngày tải lên: 10/12/2013, 18:15

... for power electronics systems. Obviously, advances in raw processing power for personal computers as well as the rapid devel- opment of electronic design software have influenced the field of power ... the simulation of power electronics systems proved to be difficult from the outset, because power electronics circuits typically operate in a highly discontinuous mode, with power semi...

Ngày tải lên: 13/12/2013, 00:15

... magnetic field until all domains are aligned, at which point the ferromagnetic material is incapable of contributing any more magnetic flux. At that point the material is saturated, as shown on the ... (1791–1867) experimented with magnetic fields. He wound two coils on an iron ring. When one coil was powered from a battery, he noticed that a transient voltage developed on the second coil an...

Ngày tải lên: 13/12/2013, 00:15

... Batteries Mechanical Connection Electrical Connection Motor Controller Tractive Power Battery Charging power Speed Power Speed Torque Speed Tractive Effort The engine operating region Transmission ... the MEHV electrical power system. It is a multivoltage hybrid (DC and AC) electrical power distribution system with a main high-voltage, e.g., 300 or 140 V, DC bus providing power...

Ngày tải lên: 13/12/2013, 00:15

... compensation • Increase the power angle, i.e., phase shift One can also reverse the power flow by changing the sign of the power angle; i.e., a positive power angle will correspond to a power flow from sending ... solution of a power network that contains a UPFC, an iterative procedure is needed. Power demanded at the receiving bus is set to the desired real and reactive powers at...

Ngày tải lên: 13/12/2013, 00:15

... information about the power supply and other factors can be sent between a customer and a power company. For example, information of power system restoration can be sent to a customer when power interruption ... Kessinger, J. P., Advanced power electronics as an enabler of unbundled power quality services, in Proceedings of the NSF Conference on Unbundled Power Quality Service...

Ngày tải lên: 13/12/2013, 00:15

... maximum power from the array. This is done by incorporating maximum power- tracking circuitry into the PCU. Figure 18.4 shows the I – V characteristics of an array with the maximum power points ... PCU output power. When the PCU output power reaches a maximum level, the input resistance is fixed at the value that produces this level. Presumably when output power is a maximu...

Ngày tải lên: 13/12/2013, 00:15

... displacement power factor yields the total power factor, 0.75 in this case. Thus, the incandescent lamp, a resistive load, appears to the power system as a 0.75 power factor lagging load. Low power ... it is possible to achieve a power factor greater than 0.99 and a THD less Power factor Average power Apparent power 1 T v s t()i s t() 0 T ∫ V rms I rms == Power factor...

Ngày tải lên: 13/12/2013, 00:15