资讯

It is also recognized that the dynamic response of the previous calculation method is not adequate as a sudden increase in load current may cause an unexpected high ... is not suitable for several ...
In the Standards for insulating oils (IEC 60296 [4], ASTM 3487 and others ... 1,2 m from the transformer at about half the height of the transformer, therefore approx. 1 m height) The transformer was ...
Abstract: The compensated current comparator combines in one device the high ratio accuracy of the three winding ratio transformer or current comparator with the ...
Abstract: I. F. Kinnardi In the design of current transformers, it has long been recognized that a core material having low losses and high low-induction permeability is desirable. It is undesirable, ...
192 political parties met their fate after the IEC disclosed that it has 609 registered political parties, of which 383 are registered at a national level while the remaining 226 are registered at a ...
Furthermore, in order to guide the calculation of short circuit currents in DC auxiliary installations in power plants and substations, IEC 61660 series standards are setup ... namely considering the ...
By-elections got off to a smooth start in Gauteng with 29 candidates from 16 political parties contesting in six wards across Gauteng, Limpopo, Eastern Cape and KwaZulu-Natal. Speaking outside a ...
Subscribe or upgrade your current MEED.com package to support your strategic planning with the MENA region’s best source of business information. Proceed to our online shop below to find out more ...
Depending on the situation and the incident energy level (bolted fault current) of the equipment being scanned ... breakers, disconnects, feeders, and transformers. Incorporate the previously ...