Emergency Power Supply of a Wastewater Treatment Plant
Emergency electrical power supply for a wastewater treatment plant following a disaster with the substation and fire of the LVDB
context
Project Type :
Temporary Energy
Crisis management
Location :
Essonne (91)
Problem
- Following a disaster with the substation and a fire on the LVDB, the customer requested us – urgently – to bring back the power assembly of the wastewater treatment plant (capacity of 250 000 EH).
- First phase: standby (2 weeks)
- Second phase: operation (8 weeks)
Solution
- Electrical power supply over 8 points of the wastewater treatment plant:
- 2 generators 800 kVA (operation, floatation & composting)
- 2 generators 500 kVA (Biofor, pre-treatment and deodorisation)
- 1 generator 400 kVA (dehydration, digestion and filtration)
- 1 generator 400 kVA a back-up for pre-treatment
- 3 LVDB 2000 A = 2600 m of HO7RNF cables + 60 m of cable routing
- Storage of GNR: 11 IBC tanks of 2000 L and 3000 L
- 4 engineers from 2 branches – installation in less than 24 h
- Fuel management
- On-call service 24/7