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Charging Systems Charging System of batteries In various installations, batteries are kept floating on the line and are so connected that they are being charged when load demands are light and …
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Battery Ratings To determine the battery ratings, following standards have been adopted, both by industry and government organisations to get a fair picture of battery quantity : 1. Ampere-hour Capacity: …
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Electrical Characteristics of the Lead-acid Cell The three important Electrical Characteristics of the Lead-acid Cell, of interests to an engineer, are (1) voltage (2) capacity and (3) efficiency. 1. Voltage …
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Efficiencies of the Cell The efficiencies of a cell can be considered in two ways : 1. The quantity or ampere-hour (Ah) efficiency 2. The energy or watt-hour (Wh) efficiency …
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Internal Resistance of Cell The secondary cell possesses internal resistance due to which some voltage is lost in the form of potential drop across it when current is flowing. Hence, …
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Plates of Lead Acid Battery Formation of Plates of Lead-acid Cells There are, in general, two methods of producing the active materials of the cells and attaching them to lead …
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Lead Acid Battery Construction and Working Principle What is Lead Acid Battery? Definition: The battery which uses sponge lead and lead peroxide for the conversion of the chemical energy into …
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Primary and Secondary Batteries An electric battery consists of a number of electrochemical cells, connected either in series or parallel. A cell, which is the basic unit of a battery, …
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Back E.M.F. What is Back E.M.F.? The tendency produces an e.m.f. that is in opposition to the applied voltage which is consequently reduced. The opposing e.m.f. which is produced in …
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Electrical Properties of Engineering Materials The Electrical properties of a material are those which determine ability of material to be suitable for a particular Electrical Engineering Application. Some of the …
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