Introduction to Electrical Engineering

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Pro: ČEKO IMPORT a.s.
Vydal: České vysoké učení technické Praha Autor: Vladimír Kůla, Michal Kříž

Strana 11 z 112

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1. General In the technical sphere, the legal rules obligatory given laws, acts, notices, orders, regulations and directives cannot prescribe the detailed technical performance equipment, installation appliance fulfill the concepts safety, reliability, and maintainability. the producer keeps relevant standards, can almost sure that his products will not endanger any customer. machines, appliances, and devices) mounted parts, and for technological procedures are given technical standards. The rules safety for groups products are given group safety standards. BASIC ELECTROTECHNICAL STANDARDS 2. One the basic legal rules prescribed many laws the rule prescribing that nobody shall endanger anybody. Nowadays, technical products are complicated that technical requirements for one type equipment, device, appliance, installation cannot be comprehended one standard only. The described rules for the technical performance products (e. Let investigate such systems. Technical standards form huge, more less compact systems. That just the violation law, which can penalized. is impossible for any standard represent full set technical requirements for the given type of product, equipment, installation. Nevertheless, the standard applied for the product cannot prescribe all measures that could should done. The utilization is connected with danger harmful effects electrical current persons and, may be, to livestock. . prevent the danger means fulfill respective requirements the respective standard. The standard respective for given product does not repeat all safety requirements but only refers basic group safety standards.BASIC ELECTROTECHNICAL STANDARDS 12 2. Technical standards are not papers brochures independent one the other. Technical standards are not obligatory the way legal rules but the fulfillment the requirements technical standard can prevent from many difficulties connected with legal rules.g. Such systems are formed electrical engineering well. Most products electrical engineering are used persons. Moreover in case that product complying with the relevant standard causes damage, the position the producer much better than the position that one whose product does not comply with the standard. The conception safety electrical engineering given basic safety standards. And manufacturing products assembling equipment that not safe may endanger the purchaser. Present-day technology well present-day equipment and products the field the electrical engineering are complicated that keeping the safety rules very difficult, therefore these rules are comprehended technical standards