Power systems theory - generation, transmissions and distribution
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Power factor is the ratio between the real power (P in kW) and apparent power (S in kVA) drawn by an electrical load. The reactive power (Q in kVAr)...
The International System of Units (abbreviated SI) is the world's most widely used system of units. The system consists of a set of units and prefixes...
Lamps are the essential part of any luminaire. These are the light generating components. Since the advent of electrical lighting in the middle of the...
The correct sizing of current transformers is required to ensure satisfactory operation of measuring instruments and protection relays. Several methods...
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Over the past year or so I've been involved in on going discussions related to referring fault levels from the secondary of a transformer to the primary...
The calculation of current in a three phase system has been brought up on our site feedback and is a discussion I seem to get involved in every now and...
ABB has produced a range of technical guides that offer concise explanations of the major technologies and technical issues in low voltage AC drives. ...
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