Author: franc

General lighting is characterized by high requirements in terms of light intensity. Quite often it reaches its value 500 lx, and even 1000 lx. For this reason, fluorescent luminaires prevail. Incandescent lamps are used in auxiliary rooms and there, where necessary. …

Another group of buildings are non-residential buildings. The term non-residential buildings should be understood as buildings accompanying housing construction. These buildings can be divided into the following groups:
— obiekty oświaty i kultury (schools, before school, cultural centers, china),
— obiekty służby zdrowia (przychodnie i ośrodki …

Diagram of electrical installations in an apartment building; 1 - power line, 2 - connection, 3 - connector, 4 - main switchboard, 5 - administrative switchboard, 6 - internal power line, 7 - multi-storey distribution board, 8 - residential switchboard.…

The following separate circuits should be used in the apartments:
- a circuit supplying ceiling and wall lighting outlets,
- power supply circuit for general purpose plug sockets,
- the circuit powering the washing machine socket,
- power circuit for plug sockets in the kitchen and bathroom,
— obwód zasilający …

House pickups are powered from the building's main switchboard via internal power lines (wiz), from which branches are made to individual apartments. Odgałęzienia od wewnętrznych linii zasilających do mieszkań oraz lokali niemieszkalnych są wykonywane na • poszczególnych kondygnacjach na …

Diagram of electrical installations in an apartment building; 1 - power line, 2 - connection, 3 - connector, 4 - main switchboard, 5 - administrative switchboard, 6 - internal power line, 7 - multi-storey distribution board, 8 - residential switchboard.

Sposób …

In buildings supplied directly from transformer stations located within these buildings, Bays of LV switchgears of the substation can be used as connectors.

The basic elements of electrical installations are:
— electrical wires and cables,
— switchgear,
— electrical installation equipment and fittings.

W …

Electrical installations in buildings are used to supply electricity to all consumers of electricity, that can be used in them. These are mainly lighting receivers, various types of heating devices and devices with a motor drive. Instalacje elektryczne w budynkach powinny zapewniać …

Loads of electrical installations in residential buildings can be determined on the basis of the rules developed by COBR "Elektromontaż" or on the basis of the rules presented in N SEP-E002.

According to the COOBR "Elektromontaż" method, the power required by one apartment can be determined from the formula

PM = P1 …

Daily load chart of a group of loads with a predominance of lighting loads.

When designing electrical installations, the primary task is to determine the power and energy demand. This is of great technical and economic importance, because these values ​​are the basis for the selection of essential parameters of individual devices, e.g. przekrojów …