Street Lighting Design Calculation

Typical calculation of road lighting.

Street lighting design calculation.

Calculate voltage drop of cable for street lighting poles voltage is 230 400 v 3ph power factor is 0 85 allowable voltage drop up to 3 max. This voltage drop calculations is valid for street lighting landscape lighting and site lighting using table mv a m and r x method for single three phase. Many parameters shall be considered in road lighting calculations this post only provide brief of this calculations by both manual and software methods the following procedure for software only. After calculation of the intensity we put all the.

Digital design files from agi32 are to be provided to the city along with line loss. Street lighting design in lighttools 2 how street lighting calculations are performed slu assumes that street lamps are far away from the surface that they illuminate so their intensity distributions positions and orientations are the only required data to calculate the test metrics in addition to the rtable. Also excel file attached. Luminaire of each pole.

Street illumination level in lux e al x cu x mf w. The width of road is 11 5 foot. 1 calculate distance between each street light pole. Street lighting design is the design of street lighting such that people can safely continue their travels on the road.

The height of pole is 26 5 foot. Calculate distance between each streetlight pole having following details road details. This calculations based on high pressure sodium hps lamp type which is. Street lighting is to be designed using the illuminance method for calculations prepared with agi32 software.

Luminaries are properly selected and mounted on a location most feasible and effective with minimum cost. Wattage of luminaries is 250 watt lamp out put ll is 33200 lumen required lux level eh is 5 lux coefficient of utilization factor.