DSPs revolutionise UPSs
UPS technology has made major strides in the past decade, specifically in the application of Digital Signal Processors (DSP) which have introduced greater efficiency, energy savings and made transformerless UPSs more functional.EDS-UPS is the sole South African supplier of Inform Saver (single phase) and Pyramid (three-phase) DSP UPSs. These UPS, ranging from 1kVA to 200 kVA, are a transformerless design with a unity power factor and an extremely low (less than 3%) harmonic distortion on input. This makes the UPS generator-friendly and energy saving.The wide input voltage window and fast digital signal processor technology has won the manufacturer several design and technology achievement awards. This allows for minimal battery operation and ensures long battery life whilst ensuring very precise regulation of output voltage and frequency. Parallel configuration of the UPS modules allow for flexible and scalable solutions. Up to 8 UPS units can be paralleled and this also ensures that the highest level of system reliability is achieved. Several monitoring and communication options are available which include SNMP and GSM modems and all units feature LCD displays with alarm and status indications.
Recent EDS UPS Projects:
King Shaka Airport
We have recently completed the supply and installation of 183 INFORM static and 2 PILLER rotary UPS systems at the new King Shaka International Airport in Durban. The INFORM static UPS systems ranging from 1 kVA to 200 kVA comprised of the INFORM – DSP units in single and three phase configuration. EDS-UPS is the sole distributor of INFORM UPS equipment in Southern Africa. The 2 rotary UPS systems installed each have a capacity of 500 kVA and power the airport runway lighting combined with the high integrity sealed lead acid batteries it will backup the load for more than 30 minutes without the diesel generators starting.
EDS UPS executed a multi-million Rand project for a leading cellphone company earlier this year. We undertook the entire electrical infrastructure and cabling for a new switch in Dar-es-Salaam. The 10-month project involved the supply and commissioning of high and low voltage switchgear, a 1670 kVA rotary UPS with 20 minutes backup and two static 200 kVA UPSs. Two diesel generators capable of a load of 1.1 MVA each were installed. Because of the very wide voltage fluctuations in Tanzania, the rotary UPS was specifically selected to handle these conditions.
A recent project which has just been undertaken by the Cape Town office of EDS UPS is the supply of a 60 kVA UPS for the Theewaterskloof municipality.