General rules of electrical installation design

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General rules of electrical installation design

Methodology

General rules of electrical installation design

Rules and statutory regulations

Definition of voltage ranges

Regulations

Standards

Quality and safety of an electrical installation

Initial testing of an installation

Periodic check-testing of an installation

Conformity (with standards and specifications) of equipment used in the installation

Environment

General rules of electrical installation design

Installed power loads - Characteristics

 Induction motors

Resistive-type heating appliances and incandescent lamps(conventional or halogen)

General rules of electrical installation design

Power loading of an installation

Installed power (kW)

Installed apparent power (kVA)

Estimation of actual maximum kVA demand

Example of application of factors ku and ks

Diversity factor

Choice of transformer rating

Choice of power-supply sources

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