The use of an IT (unearthed) system is the backbone of a reliable power supply in medical locations. Contrary to a TN (earthed) system, there is no conductive connection between active conductors and the protective earthing conductor within the IT system.
Thus four essential demands are met:
* When a first insulation fault occurs, the power supply is not interrupted by the tripping of a protective device.
* Medical electrical equipment continues to function.
* Fault currents are reduced to a non-critical level.
* Operating theatres continue to function because power failure is averted.
Bender systems have provided the answer for reliable and cost effective electrical safety solutions for healthcare facilities for over 60 years. Hospitals around the world rely on the company's products and the technical support of its engineers, where safety of patients and the critical performance of medical equipment is at stake.
The medical IT system consists of an isolating transformer, a monitoring device to monitor insulation resistance, transformer load and temperature, and a remote alarm indicator and test combination. The system is installed in the operating theatre or at a manned nursing station nearby.
The insulation monitoring device is a vital unit to ensure the availability of the IT system. Connected between system and earth, it continuously monitors the insulation resistance. The integrated AMP measuring principle allows insulation faults with DC components to be precisely recorded and indicated.
Many national and international standards regard the use of the IT system as essential to a safe power supply in medical locations. The Bender units comply with both the German DIN VDE 0100-710 standards and the South African SABS 051 standards.
Bender products are available in southern Africa from Anglo Allied Engineering.
For more information contact Wiebe Visser or Hilda Bouwer, Anglo Allied Engineering, +27 (0) 11 766 1180, [email protected]
Rail electrification and EV solutions for integrated transport systems
Electrical Power & Protection
A comprehensive range of solutions for rail electrification and electric vehicles is available from leading technology provider ABB, contributing significantly to integrated and sustainable transport systems.
Read more...PPS delivers containerised distribution board for Western Cape hybrid power project
Electrical Power & Protection
South African electrical enclosure specialist Power Process Systems has successfully completed the design, fabrication and commissioning of a 4000 A containerised distribution board for a wind/PV solar hybrid renewable energy project on a site in the Western Cape.
Read more...The choice of a thermal carrier is critical for optimal processing
Electrical Power & Protection
Historically steam, fuelled by coal, has been the most prevalent thermal carrier in South African industry. However, times are changing, with the manufacturing and processing sector needing to review the energy reticulation systems and thermal carriers currently in use.
Read more...ABB’s blueprint for a net zero future
Electrical Power & Protection
ABB’s Mission to Zero is a strategic initiative aimed at achieving a sustainable future characterised by zero emissions, zero accidents and zero waste.
Read more...General-purpose 350 W AC-DC power supply
Electrical Power & Protection
The TDK-Lambda GUS350 series of compact single-output general-purpose power supplies addresses the need for an economically priced product while maintaining reliability and quality.
Read more...Ground-breaking battery tester Comtest
Electrical Power & Protection
Midtronics offers the proven MVT handheld battery tester. This revolutionary tool, powered by MDX-AI, is set to redefine the standards of battery diagnostics and testing in the automotive industry.
Read more...Energy audits pave the pathway to sustainability and savings Schneider Electric South Africa
Electrical Power & Protection
Energy audits serve as essential tools for businesses looking to reduce costs and meet environmental targets. By analysing energy consumption across systems such as lighting, HVAC, ICT and water infrastructure, audits identify inefficiencies and quantify carbon footprints, enabling data-driven decisions for operational and financial optimisation.
While every effort has been made to ensure the accuracy of the information contained herein, the publisher and its agents cannot be held responsible for any errors contained, or any loss incurred as a result. Articles published do not necessarily reflect the views of the publishers. The editor reserves the right to alter or cut copy. Articles submitted are deemed to have been cleared for publication. Advertisements and company contact details are published as provided by the advertiser. Technews Publishing (Pty) Ltd cannot be held responsible for the accuracy or veracity of supplied material.
printer friendly version