Posts tagged as construction

Benefits of simulation models for assessing energy savings on mine cooling systems

by Alistair Holman, Dr. Johann van Rensburg and Dr. Deon Arndt, CRCED Pretoria, North West University At a time of immense economic pressure and fragile labour relations in South Africa, it is important for mines to be energy efficient, reduce energy costs, ensure safe working conditions and to minimise unwanted downsizing. Download PDF

Characteristics and performance of a carbon dioxide trans-critical water to water heat pump

by Paul Maina and Zhongjie Huan, Tshwane University of Technology A study and findings on improvements in the efficiency of high-pressure CO2 heat pumps by varying their various operational parameters. Download PDF

SANS certified, NRCS approved circuit breakers

Major Tech has recently launched an extensive range of IEC/SANS certified and NRCS approved circuit breakers to complement its current range of switches, sockets and enclosures. The circuit breakers are branded Major Tech and have been tested according to IEC60947-2 in conjunction with SANS 556-1 and VC 8036 to ensure the exceptional quality. Circuit breakers […]

New test, measurement tools launched

  Flir Systems has launched a new line of test and measurement equipment. The new product line-up includes an advanced digital multi-meter, two clamp meters, an NCV detector, a moisture meter and a video scope. These tools were engineered to include advanced diagnostics, productivity and increased connectivity to address customers’ real-world needs. Among the new […]

New showroom with specialist training facility

  Legrand’s new showroom at the company’s Johannesburg head office includes a specialist training facility designed for interactive tuition modules which cover the company’s extensive range of electrical and digital building infrastructures. Its training courses include cable management, structured cabling and power protection, transformers, busbars and the XL3 power distribution system. Training sessions also cover […]