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Frequently Asked Questions.
1. What types of battery charger are available?
2. How is the output power rating of the charger calculated?
3. What is ripple (AC Content) and how can it be limited?
4. What is temperature compensation and when is it required?
5. How are chargers monitored in case of failure?
6. How is the input supply specified?
7. How are voltage sensitive loads protected when connected to the charger output?
8. What is used to protect the batteries from deep discharge?
9. How are industrial chargers constructed?
10. What finish is used on the system chassis or cubicle?
11. What are IP ratings?
12. What metering, audible and visual indications are available?
13. Why do the chargers not operate without a functional battery connected to the output?
14. How are the input supply fuse/mob ratings calculated?
15. How are the output fuse/mcb rating calculated and how does ripple affect the calculation?
16. Can power diodes be fitted in series with the positive output supply from the charger?
17. Can two identical charging systems be connected to the same set of batteries?
18. Can two sets of batteries be charged from one charger at the same time?
19. How can the battery terminals be protected from corrosion?
20. What maintenance procedures should be adopted?
21. How much ventilation is required around a typical charging system?
22. How can I build my own battery charger?
23. What is a controlled rectifier?
24. What is EMC & the Low Voltage Directive?