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An AC-AC converter with approximately sinusoidal input currents and bidirectional power flow can be realized by coupling a pulse-width modulation (PWM) rectifier and a PWM inverter to the DC-link. The DC-link quantity is then impressed by an energy storage element that is common to both stages, which is a capacitor C for the voltage DC-link or ...
National Institute for Communicable Diseases. The National Institute for Communicable Diseases ( NICD) is the national public health institute of South Africa, [1] [2] providing reference to microbiology, virology, epidemiology, surveillance and public health research to support the government's response to communicable disease threats. [3] [4]
A real-time operating system (RTOS) is an operating system intended for applications with fixed deadlines ( real-time computing ). Such applications include some small embedded systems, automobile engine controllers, industrial robots, spacecraft, industrial control, and some large-scale computing systems.
www .usaf .ac .za. Universities South Africa (USAf), formerly known as Higher Education South Africa or HESA, is an umbrella body representative of the 26 public universities in South Africa. USAf endorses a comprehensive and equitable national higher education system that is responsive to the challenges facing South Africa.
Colours. Blue, black, white. The University of Port Elizabeth ( UPE) was a public university located in Port Elizabeth in the Eastern Cape province of South Africa. UPE was founded on 31 January 1964, by an act of parliament, and held its first academic year in 1965. [1] It offered bachelor's degrees, as well as masters and doctoral degrees.
Stellenbosch is the oldest university in South Africa and the oldest extant university in Sub-Saharan Africa, which received full university status in 1918. Stellenbosch University designed and manufactured Africa's first microsatellite, SUNSAT , launched in 1999.
Voice portal. Voice portals are the voice equivalent of web portals, giving access to information through spoken commands and voice responses. Ideally a voice portal could be an access point for any type of information, services, or transactions found on the Internet. Common uses include movie time listings and stock trading.
www.nwu.ac.za Potchefstroom campus The North-West University Gallery The North-West University ( NWU ) is a public research university located on three campuses in Potchefstroom , Mahikeng and Vanderbijlpark in South Africa .