Preventive Maintenance
Battery banks are the heart of almost every emergency system. Failures of the battery system may cause damage to critical load equipment i.e. the gas turbine, the main mechanical component that is essential for power generation plants. The cost incurred due to damages to the gas turbine can be astounding when compared to the cost of preventive maintenance of battery banks. Repairs may have taken months and cost millions of dollars.
In industrial applications, mainly three types of batteries are used:
- Vented Lead Acid Batteries
- Valve Regulated Lead Acid (VLRA) Batteries
- Nickel Cadmium Batteries
Vented lead-acid batteries are the oldest type of rechargeable batteries and are very common in power plants.
Battery banks readily provide direct current (DC)
In a typical power plant system, battery banks readily provide direct current (DC) electricity to the Emergency Lube Oil pumps which play a crucial role when there is a loss of AC power supply. The DC-operated emergency lube oil pumps ensure continuous circulation of lube oil to the generator bearings when there is a loss of AC power supply. DC electricity can restore power to critical loads by converting to alternating current (AC) using an inverter to supply AC power supply for all crucial AC lube oil pumps and valves to bring the machine to a safe shutdown. Emergency DC systems also supply power to critical components such as the protection relays and circuit breaker trip and close functions. The DC electricity is also used directly by I&C loads in the plant ensures always, the availability of important machine data or parameters to the turbine controllers (DCS system) and plant operation regardless of any power supply interruption
Battery Banks
Determining the battery capacity
Our team of personnel has put in 15-20 years of hands-on experience in battery
maintenance. The team has successfully implemented many innovative methods in maintenance of batteries
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